US20100320168A1 - Child-resistant closure - Google Patents
Child-resistant closure Download PDFInfo
- Publication number
- US20100320168A1 US20100320168A1 US12/867,558 US86755809A US2010320168A1 US 20100320168 A1 US20100320168 A1 US 20100320168A1 US 86755809 A US86755809 A US 86755809A US 2010320168 A1 US2010320168 A1 US 2010320168A1
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- US
- United States
- Prior art keywords
- closure
- container
- pair
- ribs
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D50/00—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures
- B65D50/02—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions
- B65D50/04—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one
- B65D50/045—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring
- B65D50/046—Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring and such deformation causes the disengagement of locking means, e.g. the release of a pawl-like element from a tooth or abutment, to allow removal of the closure by simultaneous rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2215/00—Child-proof means
- B65D2215/02—Child-proof means requiring the combination of simultaneous actions
Definitions
- FIG. 7 is a diagrammatic representation of FIG. 7 .
- the present invention relates generally to a child-resistant closure and particularly to a squeeze-and-turn closure.
- the present invention seeks to address the problems with known squeeze-and-turn closures.
- the present invention seeks to address the problems with known squeeze-and-turn closures with a closure comprising a body having a side skirt and locking means carried on or by the skirt for releasably locking the closure on to the container, in which the closure further comprises one or more regions of reduced stiffness in the vicinity of the locking means, and in which the side skirt comprises one or more ribs.
- a child-resistant, squeeze-and-turn closure for a container, the closure comprising a body having a side skirt and locking means carried on or by the skirt for releasably locking the closure on to the container, in which the closure further comprises one or more regions of reduced stiffness in the vicinity of the locking means, and in which the side skirt comprises one or more ribs.
- the side skirt may comprise a side wall with each rib of the one or more ribs carried on or by the wall.
- Each rib may be carried on the interior and/or exterior of the wall.
- the ribs are created as part of a ‘lightweighting’ exercise in which material is removed, in embodiments without a wall, the same lightweighting exercise could result in a skirt formed entirely from ribs with gaps therebetween.
- a ‘basket-like’ or ‘lattice’ configuration is achieved with a crisscross array of ribs.
- the body may be at least partly dome-shaped.
- a body which is entirely dome-shaped is contemplated, as is a frusto-conical body.
- the region of reduced stiffness may be provided by a variation in the material of the closure body.
- a variation in the material may comprise a portion of reduced thickness, for example an internal or external channel.
- the ratio of the thickness of the portion of reduced thickness to the thickness of the body immediately adjacent may be in the range 1:5 to 4:5.
- the thickness of the portion of reduced thickness may be in the range 0.1 mm to 0.5 mm.
- the variation may comprise one or more windows.
- the windows may comprise bounded apertures passing through the entire thickness of the body.
- the windows may comprise thinned wall section membranes.
- the windows/membranes may be transpersed with connecting webs or bridges to give stability. In addition to increasing flexibility of the closure skirt and helping to direct the pressing forces to the required area, the removal of material reduces costs.
- the region of reduced thickness may be formed on a child resistant band provided by the closure.
- the band may be connected to the closure body by one or more of the ribs.
- the band may provide the region of reduced stiffness.
- the region of reduced stiffness may be enhanced by providing an absence of connecting ribs over selected regions of the bands.
- the variation may be provided in the top plate and/or the side skirt.
- the variation may be provided in the region of the intersection between the top plate and the side skirt.
- the closure may further comprise a defined top plate from which the side skirt depends.
- the closure may also include a bore seal depending from the top plate and the variation may be located between the bore seal and the skirt.
- the present invention also provides a container having a closure as described herein.
- FIG. 1 is a perspective view of a closure formed according to a first embodiment of the present invention.
- FIG. 2 is a side elevation of the closure of FIG. 1 in the region of a lateral squeeze pad.
- FIG. 3 is a plan view of the closure of FIG. 1 .
- FIG. 4 is an under plan perspective view of the closure of FIG. 1 .
- FIG. 5 is an under plan view of the closure of FIG. 1 .
- FIG. 6 is a side elevation of the closure of FIG. 1 in the region of an internal locking lug.
- FIG. 7 is a section of the closure of FIG. 6 taken along line A-A.
- FIG. 8 is an under plan view of the closure of FIGS. 1 through 7 shown in a locked position.
- FIG. 9 is an under plan view of the closure of FIG. 8 shown in an unlocked position.
- FIG. 10 is a perspective view of a closure formed according to an alternative embodiment.
- FIG. 11 is a side elevation of the closure of FIG. 10 .
- FIG. 12 is a section of the closure of FIGS. 10 and 11 .
- FIG. 13 is a side elevation of a closure formed according to an alternative embodiment shown in the region of a pressing pad.
- FIG. 14 is a side elevation of the closure of FIG. 13 shown in the region of a locking lug.
- FIG. 15 is an under plan view of the closure of FIGS. 13 and 14 .
- FIG. 16 is a magnified view of the region of reduced stiffness formed in the closure of FIGS. 13 through 15 .
- FIG. 17 is an under plan view of the region of FIG. 16 .
- FIG. 18 is a side elevation of a closure formed according to a further embodiment.
- FIG. 19 is a perspective view of the closure of FIG. 18 .
- FIG. 20 is an under plan view of the closure of FIGS. 18 and 19 .
- FIG. 21 is an under plan view of the closure of FIGS. 18 through 20 shown in a locked position.
- FIG. 22 is an under plan view of the closure of FIG. 21 shown in and unlocked position.
- FIG. 23 is a side elevation of a closure formed according to and alternative embodiment.
- FIG. 24 is a plan view of the closure of FIG. 23 .
- FIG. 25 is a perspective view of the closure of FIG. 24 .
- FIG. 26 is a perspective view of a closure formed according to a further embodiment.
- the closure 10 comprises a top plate 20 and a side skirt 30 .
- the top plate 20 comprises a central disc 21 with an inclined annular wall 22 depending from the periphery thereof. At the other end of the annular wall 22 a shoulder 23 extends and merges into the side wall 30 .
- the closure further comprises an inner wall 35 which is concentric with the skirt 30 .
- the inner wall 35 includes internal screw thread formations 36 for engagement on corresponding external screw thread formations on a container neck (not shown).
- the exterior of the open end of the skirt is provided with a pair of diametrically opposed pressing pads.
- two diametrically opposed wedge-like lugs 40 , 45 are internally positioned.
- the lugs 40 , 45 are circumferentially positioned between the pressing pads 31 , 32 on the side wall 30 so that the pads 31 , 32 and lugs 40 , 45 are spaced by 90° from each other, in the same way as the points on a compass.
- the shoulder 23 is provided with two portions of reduced thickness in the form of a pair of diametrically opposed interior grooves 50 , 55 .
- the grooves 50 , 55 are arcuate and extend over approximately 45° of the circumference, with in the region of the lugs 40 , 45 , with the lugs 40 , 45 positioned approximately centrally with respect to the grooves 50 , 55 when viewed from below.
- the closure 10 also has an annular bore seal GO depending from the inclined wall 22 .
- FIGS. 8 and 9 there is shown schematic under plan views of the closure 10 .
- the closure 10 is shown connected to a container neck 70 , which includes external screw thread formations (not shown) for engaging the corresponding threads on the closure 10 .
- the container neck 70 also comprises a pair of diametrically opposed abutment lugs 75 , 80 positioned to engage the locking lugs 40 , 45 of the closure.
- FIG. 8 shows the closure in the locked position in which the closure is fully screwed on to the container neck 70 and the locking lugs 40 , 45 engaged the abutment lugs 75 , 80 on the container neck.
- the closure cannot be rotated relative to the container neck due to the abutment of the closure and container lugs.
- the lugs 40 , 45 In order for the closure to be rotated, the lugs 40 , 45 must be moved radially outward with respect to the abutment lugs 75 , 80 . This is effected by squeezing the closure at the pressing pads 31 , 32 .
- the closure skirt 30 is flexible and the squeezing action causes it to ovalize as shown in FIG. 9 .
- the lugs 40 , 45 can now pass around the outside of the abutment lugs 75 , 80 so that with a combined squeeze and turn movement the closure can he unscrewed.
- the grooves 50 , 55 provide a region of reduced stiffness in the vicinity of the locking lugs 40 , 45 which in turn reduces the pressure required on the pads 31 , 32 in order to effect a sufficient deformation of the skirt 30 in those regions.
- the grooves 50 , 55 reduce the resistance of the skirt 30 to flexing in the region of the locking lugs.
- the ‘hinging’ of the skirt relative to the top plate is therefore improved in these areas. Keeping the material thicker, particularly in the region of the pressing pads, is important for the transmission of force; hence, simply a complete thinning of the entire closure would not produce the desired effect.
- the regions of reduced stiffness allow the pressing threes on the pads to be directed to where they are most needed.
- FIGS. 10 through 12 there is shown a closure 110 according to an alternative embodiment.
- the closure 110 is very similar to the closure 10 shown in FIGS. 1 through 9 .
- the portions of reduced stiffness are provided by a pair of diametrically opposed windows 180 , 185 formed in the closure shoulder 123 .
- the windows 180 , 185 serve a similar purpose to the internal grooves of the closure 10 because they provide portions of reduced stiffness in the region of the locking lugs.
- FIGS. 13 through 17 there is shown a closure 210 formed according to an alternative embodiment.
- the closure 210 is similar to the closure 10 of FIGS. 1 through 7 in that it includes a pair of internal grooves 250 , 255 which provide increased flexibility to the skirt in the regions of two locking lugs 240 , 245 .
- the skirt 230 is shorter and the closure includes an intermediate annular wall 290 between the shoulder 223 and the top plate 220 . This gives it a more elongate appearance.
- the closure 210 does not comprise both an inner wall and a bore seal, but rather a single bore seal 260 which depends from the intersection of the shoulder 223 and the intermediate wall 290 .
- the seal 260 includes internal screw threads 236 .
- the shoulder region 223 of the closure 210 includes two diametrically opposed internal grooves 250 , 255 .
- the thickness of the material adjacent the grooves 250 , 255 is approximately 1 mm and the thickness of the material defining the base of the groove is approximately 0.2 mm thick.
- the closure operates in the same way as the closure 10 in that the pressing pads are used to ovalize the skirt 230 which moves the locking lugs 240 , 245 radially outwards.
- the grooves 250 , 255 promote this movement of the skirt.
- the closure 310 comprises a top plate 320 and a side skirt 330 .
- the top plate 320 comprises a circular disc.
- the closure further comprises an inner wall 335 (see FIG. 3 ) depending from the interior of the skirt 330 .
- the inner wall includes internal screw thread formations for engagement on corresponding external screw thread formations on a container neck (not shown).
- the skirt 330 depends from the periphery of the top plate 320 .
- the skirt has two major components: (i) an underlying side wall 350 ; and (ii) a plurality of arcuate ribs 360 .
- the side wall 350 has three sections: (i) a domed upper section 351 ; (ii) an annular intermediate section 352 ; and (iii) an annular lower section 353 .
- the upper section 351 joins the intermediate section 352 at a first step 354 ; and, similarly a second step 355 joins the intermediate and lower sections 352 , 353 .
- the ribs 360 project from the exterior of the side wall 350 . All of the ribs 360 extend from the top plate 320 and over the upper 351 and intermediate 352 side wall sections. in other embodiments (not shown), some or all of a set of ribs extend from a point on the side wall 350 below the top plate 320 . Some of the ribs terminate at the second 355 step whereas others continue as described in more details below.
- a child resistant band 365 or hoop is provided at the end of the skirt, opposite the top plate 320 .
- the exterior of the band is provided with a pair of diametrically opposed pressing pads 331 , 332 .
- the pads 331 , 332 are generally triangular; other shapes are, of course, possible.
- the band 365 is annular and passes around the open end of the side wall annular lower section 353 .
- the band 365 is coaxial with the open end, but with a greater diameter, so that a gap 366 is present.
- the side wall 350 is connected to the band 365 by the ribs 360 . More specifically, in this embodiment seven ribs 360 a extend beyond the second step in the region of each pad 331 and connect to the pad/band.
- the band 365 may be connected to the side wall 350 by different numbers of ribs, or by a window or membrane-like thinned wall section.
- Two diametrically opposed wedge-like lugs 340 , 345 are internally positioned on the band 365 .
- the lugs 340 , 345 are circumferentially positioned between the pressing pads 331 , 332 on the side wall 350 so that the pads 331 , 332 and lugs 340 , 345 are spaced by 90° from each other, in the same way as the points on a compass.
- FIGS. 21 and 22 there is shown schematic under plan views of the closure 310 .
- the closure 310 is shown connected to a container neck 370 , which includes external screw thread formations (not shown) for engaging the corresponding threads on the closure 310 .
- the container neck 370 also comprises a pair of diametrically opposed abutment lugs 375 , 380 positioned to engage the locking lugs 340 , 345 of the closure 310 .
- FIG. 21 shows the closure 310 in the locked position in which the closure 310 is fully screwed on to the container neck 370 and the locking lugs 340 , 345 engaged the abutment lugs 375 , 380 on the container neck 370 .
- the closure 310 cannot be rotated relative to the container neck 370 due to the abutment of the closure 310 and the container lugs.
- the lugs 340 , 345 In order for the closure to be rotated, the lugs 340 , 345 must be moved radially outward with respect to the abutment lugs 375 , 380 .
- the ribs 360 only connect to the band 365 in the region of the pads 331 , 332 , this creates regions of reduced stiffness in the vicinity of the lugs, where no extended ribs 360 are present. Accordingly, the force required on the pads 331 , 332 is reduced. This has the same effect as localized windows or membrane wall sections.
- FIGS. 23 through 25 there is shown a closure 410 formed according to an alternative embodiment.
- the closure 410 is very similar to the closure 310 shown in FIGS. 18 through 22 .
- all of the ribs 460 extend so as to connect the band 465 .
- the gap 466 between the band 465 and the side wall provides a region of reduced stiffness on. the closure 410 .
- FIG. 26 there is shown a closure 510 formed according to an alternative embodiment.
- the closure 510 is very similar to the closure 410 shown in FIGS. 23 through 25 .
- additional ribs 561 are provided.
- the ribs 561 extend across the side wall 550 perpendicular to the ribs 560 to give a crisscross, lattice-like rib structure. All of the ribs 560 , 561 connect to the band 565 .
- the gap 566 provides a region of reduced stiffness.
Abstract
A child-resistant, squeeze-and-turn closure for a container is provided. The closure comprises a body having a side skirt and locking means carried on or by the skirt for releasably locking the closure on to the container. The closure further comprises one or more regions of reduced stiffness in the vicinity of the locking means.
Description
- This application claims priority from International Application Ser. No. PCT/GB2009/000378, filed Feb. 11, 2009, the entire contents of which are fully incorporated herein by reference and which in turn claims priority from Great Britain Patent Application No. 0802995.1, filed Feb. 19, 2008; Great Britain Patent Application No, 0803433.2, filed Feb. 26, 2008; Great Britain Patent Application No, 0807889.1, filed Apr. 30, 2008.
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FIG. 7 . - 1. Field of the Invention
- The present invention relates generally to a child-resistant closure and particularly to a squeeze-and-turn closure.
- 2. Description of the Related Art
- Many different types of safety closure, or child-resistant closure, have been proposed. Amongst these is a class known as “squeeze-and-turn”. This has a threaded skirt for screw-threaded application to and removal from the neck of a container, and a deformable portion including one or more internal fins or lugs which cooperate with corresponding abutments on the container neck to resist the unscrewing operation until the deformable portion of the closure is deformed to move the fins or lugs clear of the abutments. Examples of this type of closure are disclosed in GB1521201, GB1387572 and EP0443868.
- The present invention seeks to address the problems with known squeeze-and-turn closures.
- What is not appreciated by the prior art is that when the closure is squeezed this does not always successfully cause the required movement of the fins or lugs because the deformable portion is not deformed sufficiently.
- The present invention seeks to address the problems with known squeeze-and-turn closures with a closure comprising a body having a side skirt and locking means carried on or by the skirt for releasably locking the closure on to the container, in which the closure further comprises one or more regions of reduced stiffness in the vicinity of the locking means, and in which the side skirt comprises one or more ribs.
- According to a first aspect of the present invention there is provided a child-resistant, squeeze-and-turn closure for a container, the closure comprising a body having a side skirt and locking means carried on or by the skirt for releasably locking the closure on to the container, in which the closure further comprises one or more regions of reduced stiffness in the vicinity of the locking means, and in which the side skirt comprises one or more ribs.
- By providing regions of reduced stiffness, the deformation/deflection of the skirt in the region of the locking means is improved.
- The side skirt may comprise a side wall with each rib of the one or more ribs carried on or by the wall. Each rib may be carried on the interior and/or exterior of the wall. In some embodiments, the ribs are created as part of a ‘lightweighting’ exercise in which material is removed, in embodiments without a wall, the same lightweighting exercise could result in a skirt formed entirely from ribs with gaps therebetween. in one embodiment, a ‘basket-like’ or ‘lattice’ configuration is achieved with a crisscross array of ribs.
- The body may be at least partly dome-shaped. For example, a body which is entirely dome-shaped is contemplated, as is a frusto-conical body.
- The region of reduced stiffness may be provided by a variation in the material of the closure body. For example, a more deformable material could be used to form at least part of the skirt in the region of the locking means. The variation in the material may comprise a portion of reduced thickness, for example an internal or external channel. The ratio of the thickness of the portion of reduced thickness to the thickness of the body immediately adjacent may be in the range 1:5 to 4:5. The thickness of the portion of reduced thickness may be in the range 0.1 mm to 0.5 mm.
- The variation may comprise one or more windows. The windows may comprise bounded apertures passing through the entire thickness of the body. Alternatively, the windows may comprise thinned wall section membranes. The windows/membranes may be transpersed with connecting webs or bridges to give stability. In addition to increasing flexibility of the closure skirt and helping to direct the pressing forces to the required area, the removal of material reduces costs.
- The region of reduced thickness may be formed on a child resistant band provided by the closure. The band may be connected to the closure body by one or more of the ribs. The band may provide the region of reduced stiffness. The region of reduced stiffness may be enhanced by providing an absence of connecting ribs over selected regions of the bands.
- The variation may be provided in the top plate and/or the side skirt. The variation may be provided in the region of the intersection between the top plate and the side skirt.
- The closure may further comprise a defined top plate from which the side skirt depends. The closure may also include a bore seal depending from the top plate and the variation may be located between the bore seal and the skirt.
- The present invention also provides a container having a closure as described herein.
- The above, and other aspects, features and advantages of the present invention will become apparent from the following description read in conjunction with the accompanying drawings, in which like reference numerals designate the same elements.
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FIG. 1 is a perspective view of a closure formed according to a first embodiment of the present invention. -
FIG. 2 is a side elevation of the closure ofFIG. 1 in the region of a lateral squeeze pad. -
FIG. 3 is a plan view of the closure ofFIG. 1 . -
FIG. 4 is an under plan perspective view of the closure ofFIG. 1 . -
FIG. 5 is an under plan view of the closure ofFIG. 1 . -
FIG. 6 is a side elevation of the closure ofFIG. 1 in the region of an internal locking lug. -
FIG. 7 is a section of the closure ofFIG. 6 taken along line A-A. -
FIG. 8 is an under plan view of the closure ofFIGS. 1 through 7 shown in a locked position. -
FIG. 9 is an under plan view of the closure ofFIG. 8 shown in an unlocked position. -
FIG. 10 is a perspective view of a closure formed according to an alternative embodiment. -
FIG. 11 is a side elevation of the closure ofFIG. 10 . -
FIG. 12 is a section of the closure ofFIGS. 10 and 11 . -
FIG. 13 is a side elevation of a closure formed according to an alternative embodiment shown in the region of a pressing pad. -
FIG. 14 is a side elevation of the closure ofFIG. 13 shown in the region of a locking lug. -
FIG. 15 is an under plan view of the closure ofFIGS. 13 and 14 . -
FIG. 16 is a magnified view of the region of reduced stiffness formed in the closure ofFIGS. 13 through 15 . -
FIG. 17 is an under plan view of the region ofFIG. 16 . -
FIG. 18 is a side elevation of a closure formed according to a further embodiment. -
FIG. 19 is a perspective view of the closure ofFIG. 18 . -
FIG. 20 is an under plan view of the closure ofFIGS. 18 and 19 . -
FIG. 21 is an under plan view of the closure ofFIGS. 18 through 20 shown in a locked position. -
FIG. 22 is an under plan view of the closure ofFIG. 21 shown in and unlocked position. -
FIG. 23 is a side elevation of a closure formed according to and alternative embodiment. -
FIG. 24 is a plan view of the closure ofFIG. 23 . -
FIG. 25 is a perspective view of the closure ofFIG. 24 . -
FIG. 26 is a perspective view of a closure formed according to a further embodiment. - Reference will now be made in detail to several embodiments of the invention that are illustrated in the accompanying drawings. Wherever possible, same or similar reference numerals are used in the drawings and the description to refer to the same or like parts or steps. The drawings are in simplified form and are not to precise scale. For purposes of convenience and clarity only, directional terms, such as top, bottom, up, down, over, above, and below may be used with respect to the drawings. These and similar directional terms should not be construed to limit the scope of the invention in any manner. The words “connect,” “couple,” and similar terms with their inflectional morphemes do not necessarily denote direct and immediate connections, but also include connections through mediate elements or devices.
- Referring first to
FIGS. 1 through 6 , there is shown aclosure 10. Theclosure 10 comprises atop plate 20 and aside skirt 30. Thetop plate 20 comprises acentral disc 21 with an inclinedannular wall 22 depending from the periphery thereof. At the other end of the annular wall 22 ashoulder 23 extends and merges into theside wall 30. - The closure further comprises an
inner wall 35 which is concentric with theskirt 30. Theinner wall 35 includes internalscrew thread formations 36 for engagement on corresponding external screw thread formations on a container neck (not shown). - The exterior of the open end of the skirt is provided with a pair of diametrically opposed pressing pads. At the open end of the
skirt 30 two diametrically opposed wedge-like lugs lugs pressing pads side wall 30 so that thepads - Referring now to
FIG. 7 , theshoulder 23 is provided with two portions of reduced thickness in the form of a pair of diametrically opposedinterior grooves grooves lugs lugs grooves - The
closure 10 also has an annular bore seal GO depending from theinclined wall 22. - Referring now to
FIGS. 8 and 9 , there is shown schematic under plan views of theclosure 10. - The
closure 10 is shown connected to acontainer neck 70, which includes external screw thread formations (not shown) for engaging the corresponding threads on theclosure 10. Thecontainer neck 70 also comprises a pair of diametrically opposed abutment lugs 75, 80 positioned to engage the locking lugs 40, 45 of the closure. -
FIG. 8 shows the closure in the locked position in which the closure is fully screwed on to thecontainer neck 70 and the locking lugs 40, 45 engaged the abutment lugs 75, 80 on the container neck. In this position, the closure cannot be rotated relative to the container neck due to the abutment of the closure and container lugs. In order for the closure to be rotated, thelugs pressing pads closure skirt 30 is flexible and the squeezing action causes it to ovalize as shown inFIG. 9 . Thelugs - The
grooves pads skirt 30 in those regions. In other words, thegrooves skirt 30 to flexing in the region of the locking lugs. The ‘hinging’ of the skirt relative to the top plate is therefore improved in these areas. Keeping the material thicker, particularly in the region of the pressing pads, is important for the transmission of force; hence, simply a complete thinning of the entire closure would not produce the desired effect. - The regions of reduced stiffness allow the pressing threes on the pads to be directed to where they are most needed.
- Referring now to
FIGS. 10 through 12 , there is shown aclosure 110 according to an alternative embodiment. - The
closure 110 is very similar to theclosure 10 shown inFIGS. 1 through 9 . In this embodiment the portions of reduced stiffness are provided by a pair of diametricallyopposed windows closure shoulder 123. Thewindows closure 10 because they provide portions of reduced stiffness in the region of the locking lugs. - Referring now to
FIGS. 13 through 17 , there is shown aclosure 210 formed according to an alternative embodiment. - The
closure 210 is similar to theclosure 10 ofFIGS. 1 through 7 in that it includes a pair ofinternal grooves lugs skirt 230 is shorter and the closure includes an intermediateannular wall 290 between theshoulder 223 and thetop plate 220. This gives it a more elongate appearance. - The
closure 210 does not comprise both an inner wall and a bore seal, but rather asingle bore seal 260 which depends from the intersection of theshoulder 223 and theintermediate wall 290. Theseal 260 includesinternal screw threads 236. - The
shoulder region 223 of theclosure 210 includes two diametrically opposedinternal grooves grooves - The closure operates in the same way as the
closure 10 in that the pressing pads are used to ovalize theskirt 230 which moves the locking lugs 240, 245 radially outwards. Thegrooves - Referring now to
FIGS. 18 through 20 , there is shown aclosure 310. Theclosure 310 comprises atop plate 320 and aside skirt 330. Thetop plate 320 comprises a circular disc. - The closure further comprises an inner wall 335 (see
FIG. 3 ) depending from the interior of theskirt 330. The inner wall includes internal screw thread formations for engagement on corresponding external screw thread formations on a container neck (not shown). - The
skirt 330 depends from the periphery of thetop plate 320. The skirt has two major components: (i) anunderlying side wall 350; and (ii) a plurality ofarcuate ribs 360. - The
side wall 350 has three sections: (i) a domedupper section 351; (ii) an annularintermediate section 352; and (iii) an annularlower section 353. Theupper section 351 joins theintermediate section 352 at afirst step 354; and, similarly asecond step 355 joins the intermediate andlower sections - The
ribs 360 project from the exterior of theside wall 350. All of theribs 360 extend from thetop plate 320 and over the upper 351 and intermediate 352 side wall sections. in other embodiments (not shown), some or all of a set of ribs extend from a point on theside wall 350 below thetop plate 320. Some of the ribs terminate at the second 355 step whereas others continue as described in more details below. - At the end of the skirt, opposite the
top plate 320, a childresistant band 365 or hoop is provided. The exterior of the band is provided with a pair of diametrically opposedpressing pads pads - The
band 365 is annular and passes around the open end of the side wall annularlower section 353. Theband 365 is coaxial with the open end, but with a greater diameter, so that agap 366 is present. - The
side wall 350 is connected to theband 365 by theribs 360. More specifically, in this embodiment sevenribs 360 a extend beyond the second step in the region of eachpad 331 and connect to the pad/band. In other embodiments, theband 365 may be connected to theside wall 350 by different numbers of ribs, or by a window or membrane-like thinned wall section. - Two diametrically opposed wedge-
like lugs band 365. Thelugs pressing pads side wall 350 so that thepads - Referring now to
FIGS. 21 and 22 there is shown schematic under plan views of theclosure 310. - The
closure 310 is shown connected to acontainer neck 370, which includes external screw thread formations (not shown) for engaging the corresponding threads on theclosure 310. Thecontainer neck 370 also comprises a pair of diametrically opposed abutment lugs 375, 380 positioned to engage the locking lugs 340, 345 of theclosure 310. -
FIG. 21 shows theclosure 310 in the locked position in which theclosure 310 is fully screwed on to thecontainer neck 370 and the locking lugs 340, 345 engaged the abutment lugs 375, 380 on thecontainer neck 370. In this position, theclosure 310 cannot be rotated relative to thecontainer neck 370 due to the abutment of theclosure 310 and the container lugs. In order for the closure to be rotated, thelugs - This is effected by squeezing the
band 365 at thepressing pads FIG. 22 . When theband 365 flexes, the ribs connected thereto are also caused to flex inwards; this, in turn, causes theside wall 350 to ovalize. Thelugs closure 310 can be unscrewed. - Because the
ribs 360 only connect to theband 365 in the region of thepads extended ribs 360 are present. Accordingly, the force required on thepads - Referring now to
FIGS. 23 through 25 , there is shown aclosure 410 formed according to an alternative embodiment. - The
closure 410 is very similar to theclosure 310 shown inFIGS. 18 through 22 . In this embodiment, all of theribs 460 extend so as to connect theband 465. Thegap 466 between theband 465 and the side wall provides a region of reduced stiffness on. theclosure 410. - Referring now to
FIG. 26 , there is shown aclosure 510 formed according to an alternative embodiment. - The
closure 510 is very similar to theclosure 410 shown inFIGS. 23 through 25 . In this embodiment,additional ribs 561 are provided. Theribs 561 extend across the side wall 550 perpendicular to theribs 560 to give a crisscross, lattice-like rib structure. All of theribs band 565. Thegap 566 provides a region of reduced stiffness. - The novel features that are considered characteristic of the invention are set forth with particularity in the appended claims. The invention itself, however, both as to its structure and its operation together with the additional aspects and advantages thereof will best be understood from the description of the preferred embodiments of the present invention when read in conjunction with the accompanying drawings. Unless specifically noted, it is intended that the words and phrases in the specification and claims be given the ordinary and accustomed meaning to those of ordinary skill in the applicable art or arts. If any other meaning is intended, the specification will specifically state that a special meaning is being applied to a word or phrase. Likewise, the use of the words “function” or “means” in the Description is not intended to indicate a desire to invoke the special provision of 35 U.S.C. 112, paragraph 6 to define the invention. To the contrary, if the provisions of 35 U.S.C. 112, paragraph 6, are sought to be invoked to define the invention(s), the claims will specifically state the phrases “means for” or “step for” and a function, without also reciting in such phrases any structure, material, or act in support of the function. Even when the claims recite a “means for” or “step for” performing a function, if they also recite any structure, material or acts in support of that means of step, then the intention is not to invoke the provisions of 35 U.S.C. 112, paragraph 6. Moreover, even if the provisions of 35 U.S.C. 112, paragraph 6, are invoked to define the inventions, it is intended that the inventions not be limited only to the specific structure, material or acts that are described in the preferred embodiments, but in addition, include any and all structures, materials or acts that perform the claimed function, along with any and all known or later-developed equivalent structures, materials or acts for performing the claimed function.
- Having described at least one of the preferred embodiments of the present invention with reference to the accompanying drawings, it is to be understood that the invention is not limited to those precise embodiments, and that various changes, modifications, and adaptations may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined in the appended claims.
Claims (21)
1.-16. (canceled)
17. A child-resistant squeeze-and-turn closure for a container, said closure comprising:
(a) a body, said body further comprising:
(i) a side skirt open at one end; and
(ii) an annular child-resistant band passing around said open end, said band comprising:
(A) a pair of pressing pads; and
(B) locking means circumferentially positioned between said pair of pressing pads for releasably locking said closure onto said container;
said side skirt being connected to said band only in the region of said pair of pressing pads to define a gap circumferentially between said pair of pressing pads which provides a region of reduced stiffness in the vicinity of said locking means.
18. A closure, according to claim 17 , in which said side skirt comprises one or more ribs.
19. A closure, according to claim 18 , in which said side skirt comprises a side wall and each of said one or more ribs is carried on or by said side wall.
20. A closure, according to claim 18 , in which said one or more ribs are connected to said pair of pressing pads.
21. A closure, according to claim 17 , in which said body is generally dome-shaped.
22. A closure, according to claim 19 , in which said closure further comprises a top plate from which said side wall depends.
23. A closure, according to claim 22 , in which said closure comprises:
a bore seal depending from said top plate.
24. A container, said container comprising a child-resistant, squeeze-and-turn closure, said closure comprising a body, said body further comprising:
(a) a side skirt open at one end, and wherein said side skirt comprises a side wall;
(b) an annular child-resistant band passing around said open end, said band comprising:
(i) a pair of pressing pads; and
(ii) locking means circumferentially positioned between said pair of pressing pads for releasably locking said closure onto said container;
said side skirt being connected to said band only in the region of said pair of pressing pads to define a gap circumferentially between said pair of pressing pads which provides a region of reduced stiffness in the vicinity of said locking means.
25. A container, according to claim 24 , in which said closure further comprises a top plate from which said side wall depends.
26. A container, according to claim 24 , in which said closure comprises a bore seal depending from said top plate.
27. A container, according to claim 24 , wherein:
(a) said closure further comprises a shoulder, and wherein said shoulder is provided with two portions of reduced thickness characterized by a pair of diametrically opposed interior grooves; and
(b) said diametrically opposed interior grooves are arcuate and extend over approximately 45° of the circumference of said container.
28. A closure for a container, said closure comprising a body, said body further comprising:
(a) a side skirt open at one end, and wherein said side skirt further comprises:
(i) a side wall; and
(ii) one or more ribs, wherein said one or more ribs are carried on or by said side wall;
(b) an annular child-resistant band passing around said open end of said side skirt, said band comprising:
(i) a pair of pressing pads; and
(ii) locking means circumferentially positioned between said pair of pressing pads for releasably locking said closure onto said container;
said side skirt being connected to said band only in the region of said pair of pressing pads to define a gap circumferentially between said pair of pressing pads which provides a region of reduced stiffness in the vicinity of said locking means.
29. A container, according to claim 28 , in which said closure further comprises a top plate from which said side wall depends.
30. A container, according to claim 28 , in which said closure comprises a bore seal depending from said top plate.
31. A container, according to claim 28 , wherein said closure is connected to a container neck, wherein said container neck comprises an external screw thread formation for engaging a set of corresponding threads on said closure.
32. A container, according to claim 28 , wherein said closure further comprises a set of locking lugs.
33. A container, according to claim 32 , wherein said container neck further comprises a pair of diametrically opposed abutment lugs positioned so as to engage said set of locking lugs.
34. A container, according to claim 28 , wherein a second set of one or more ribs extends across said side wall perpendicular to said one or more ribs so as to give a crisscross, lattice-like rib structure, and wherein said one or more ribs and said second set of one or more ribs connect to said band.
35. A container, according to claim 28 , wherein said closure further comprises a shoulder, and wherein said shoulder is provided with two portions of reduced thickness characterized by a pair of diametrically opposed interior grooves.
36. A container, according to claim 35 , wherein said diametrically opposed interior grooves are arcuate and extend over approximately 45° of the circumference of said container.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0802995A GB0802995D0 (en) | 2008-02-19 | 2008-02-19 | A child-resistant closure |
GB0802995.1 | 2008-02-19 | ||
GB0803433.2 | 2008-02-26 | ||
GB0803433A GB0803433D0 (en) | 2008-02-26 | 2008-02-26 | A child-resistant closure |
GB0807889A GB0807889D0 (en) | 2008-04-30 | 2008-04-30 | A child-resistant closure |
GB0807889.1 | 2008-04-30 | ||
PCT/GB2009/000378 WO2009103947A1 (en) | 2008-02-19 | 2009-02-11 | A child-resistant closure |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100320168A1 true US20100320168A1 (en) | 2010-12-23 |
Family
ID=40580849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/867,558 Abandoned US20100320168A1 (en) | 2008-02-19 | 2009-01-11 | Child-resistant closure |
Country Status (10)
Country | Link |
---|---|
US (1) | US20100320168A1 (en) |
EP (2) | EP2254805B1 (en) |
AT (1) | ATE535464T1 (en) |
BR (1) | BRPI0907466B1 (en) |
CA (1) | CA2752861C (en) |
ES (2) | ES2377542T3 (en) |
HK (1) | HK1146028A1 (en) |
MX (1) | MX2010008526A (en) |
PL (1) | PL2386497T3 (en) |
WO (1) | WO2009103947A1 (en) |
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US20120211460A1 (en) * | 2011-02-18 | 2012-08-23 | Guala Pack S.P.A. | Cap for Containers |
US8651304B2 (en) | 2011-06-08 | 2014-02-18 | Mwv Slatersville, Llc | Dispensing closure |
CN105592934A (en) * | 2013-10-10 | 2016-05-18 | 阿普塔尔拉多尔夫策尔有限责任公司 | Childproof discharging device |
US9371165B2 (en) | 2013-08-16 | 2016-06-21 | Westrock Slatersville, Llc | Two-piece child-resistant dispensing closure |
US9545264B2 (en) * | 2014-06-06 | 2017-01-17 | Surgiquest, Inc. | Trocars and obturators |
USD800572S1 (en) * | 2016-07-26 | 2017-10-24 | Reckitt Benckiser (Brands) Limited | Spray canister with child-resistant cap |
USD841471S1 (en) | 2017-02-24 | 2019-02-26 | S. C. Johnson & Son, Inc. | Bottle |
USD845135S1 (en) | 2017-02-24 | 2019-04-09 | S. C. Johnson & Son, Inc. | Bottle neck with cap |
WO2021224101A1 (en) | 2020-05-05 | 2021-11-11 | Bericap Uk Ltd | Tamper evident & child resistant closure |
US11807425B2 (en) | 2016-01-19 | 2023-11-07 | Obrist Closures Switzerland Gmbh | Child-resistant closure system |
US11873147B2 (en) * | 2018-02-27 | 2024-01-16 | Compgen Ltd | Container with child resistant means |
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DE102012209985B4 (en) * | 2012-06-14 | 2017-01-19 | Henkel Ag & Co. Kgaa | Adapter-type device for coupling two containers |
DE102013000756A1 (en) * | 2013-01-17 | 2014-07-17 | Meadwestvaco Calmar Gmbh | Child-resistant discharge device |
DE102013000755A1 (en) * | 2013-01-17 | 2014-07-17 | Meadwestvaco Calmar Gmbh | Child-resistant discharge device |
GB201412940D0 (en) | 2014-07-22 | 2014-09-03 | Reckitt Benckiser Brands Ltd | Closure |
US9975673B2 (en) | 2014-12-23 | 2018-05-22 | S.C. Johnson & Son, Inc. | Squeeze and turn child resistant closure attachment |
US10676257B2 (en) | 2016-06-06 | 2020-06-09 | The Procter & Gamble Company | Container systems with a squeeze-and-turn closure |
USD835993S1 (en) | 2016-07-18 | 2018-12-18 | The Procter & Gamble Company | Container with lid |
WO2019104043A1 (en) * | 2017-11-21 | 2019-05-31 | Drug Platics & Glass Company, Inc. | Child-resistant single wall squeeze and turn closure and container assembly |
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US9016473B2 (en) * | 2011-02-18 | 2015-04-28 | Guala Pack S.P.A. | Cap for containers |
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KR101850159B1 (en) * | 2011-02-18 | 2018-04-18 | 구알라 팩 에스.피.에이. | Cap for containers, for example for bottles or flexible packages, in particular for children's drinks |
US8651304B2 (en) | 2011-06-08 | 2014-02-18 | Mwv Slatersville, Llc | Dispensing closure |
US9371165B2 (en) | 2013-08-16 | 2016-06-21 | Westrock Slatersville, Llc | Two-piece child-resistant dispensing closure |
US10835692B2 (en) | 2013-10-10 | 2020-11-17 | Aptar Radolfzell Gmbh | Childproof discharging device |
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US9545264B2 (en) * | 2014-06-06 | 2017-01-17 | Surgiquest, Inc. | Trocars and obturators |
US11807425B2 (en) | 2016-01-19 | 2023-11-07 | Obrist Closures Switzerland Gmbh | Child-resistant closure system |
USD800572S1 (en) * | 2016-07-26 | 2017-10-24 | Reckitt Benckiser (Brands) Limited | Spray canister with child-resistant cap |
USD826066S1 (en) | 2016-07-26 | 2018-08-21 | Reckitt Benckiser (Brands) Limited | Spray canister with child-resistant cap |
USD845135S1 (en) | 2017-02-24 | 2019-04-09 | S. C. Johnson & Son, Inc. | Bottle neck with cap |
USD841471S1 (en) | 2017-02-24 | 2019-02-26 | S. C. Johnson & Son, Inc. | Bottle |
US11873147B2 (en) * | 2018-02-27 | 2024-01-16 | Compgen Ltd | Container with child resistant means |
WO2021224101A1 (en) | 2020-05-05 | 2021-11-11 | Bericap Uk Ltd | Tamper evident & child resistant closure |
Also Published As
Publication number | Publication date |
---|---|
ES2377542T3 (en) | 2012-03-28 |
HK1146028A1 (en) | 2011-05-13 |
BRPI0907466A2 (en) | 2015-07-14 |
CA2752861A1 (en) | 2009-08-27 |
EP2254805A1 (en) | 2010-12-01 |
WO2009103947A1 (en) | 2009-08-27 |
BRPI0907466B1 (en) | 2021-07-13 |
ATE535464T1 (en) | 2011-12-15 |
EP2386497A1 (en) | 2011-11-16 |
EP2386497B9 (en) | 2013-10-02 |
CA2752861C (en) | 2016-08-23 |
ES2406804T3 (en) | 2013-06-10 |
EP2254805B1 (en) | 2011-11-30 |
EP2386497B1 (en) | 2013-04-03 |
PL2386497T3 (en) | 2013-09-30 |
MX2010008526A (en) | 2010-08-31 |
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Legal Events
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---|---|---|---|
AS | Assignment |
Owner name: OBRIST CLOSURES SWITZERLAND GMBH, SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BULL, MARTIN CAREY;REEL/FRAME:024979/0956 Effective date: 20100906 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |