WO1990011714A1 - Disposable chamber-pot liners - Google Patents
Disposable chamber-pot liners Download PDFInfo
- Publication number
- WO1990011714A1 WO1990011714A1 PCT/GB1990/000487 GB9000487W WO9011714A1 WO 1990011714 A1 WO1990011714 A1 WO 1990011714A1 GB 9000487 W GB9000487 W GB 9000487W WO 9011714 A1 WO9011714 A1 WO 9011714A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pot
- chamber
- liner
- colour
- disposable chamber
- Prior art date
Links
Classifications
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/002—Rolls, strips or like assemblies of bags
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K11/00—Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
- A47K11/10—Hand tools for cleaning the toilet bowl, seat or cover, e.g. toilet brushes
- A47K11/105—Disposable covers to keep the bowl clean
Definitions
- This invention relates to disposable chamber-pot liners.
- Existing disposable liners are invariably bag-shaped in construction and consist of a generally opaque thin plastics material. They are generally suitable for holding solid or fluid waste material but are not suitable for lining a chamber-pot.
- a disposable chamber-pot liner of a size and configuration suitable for lining a chamber-pot and which overcomes the aforementioned disadvantage.
- a disposable chamber-pot liner which is generally bag-shaped and comprises a non-permeable base material supporting an absorbent layer on at least part of one side thereof, which absorbent layer is suitable for absorbing and retaining fluids.
- Embodiments of the invention have the advantage that they absorb and retain fluids (i. e. urine) thereby reducing or eliminating the risk of spillage of the fluids therefrom when the liner is removed from the chamber-pot and thrown away.
- fluids i. e. urine
- Means may be provided within the absorbent layer for changing colour on contact with one or more of the fluids.
- the plastics material of the liner may be translucent so that the colour change can be seen from the side of the liner not covered with the absorbent layer.
- the disposable chamber-pot liner may be provided with means for securing the liner to the chamber-pot.
- the securing means may be in the form of adhesive tabs positioned around the opening of the liner.
- the securing means may be in the form of a draw-cord or integrally moulded handles positioned around the opening of the liner.
- part or all of the external surface of the disposable liner may be formed so as to have a tendency to cling to the container which is lined by the liner. More specifically, the plastics material itself may be of a material which inherently has this tendency.
- Embodiments comprising the draw-cord have the advantage that the liner may be closed in a relatively simple manner after use, thereby preventing the spillage of fluids and/or solid materials from within.
- the means provided within the absorbent layer for changing colour may be a material which has one colour in its anhydrous salt form and a different colour in the hydrated salt form.
- Such materials maybe of a water soluble nature, for example, copper sulphate which is white when anhydrous and turns blue on contact with water which forms part of the urine.
- the degree of blue colouring within the absorbent layer of the lining may serve to indicate the extent to which the liner is filled. This may in turn indicate the need to replace the chamber-pot liner.
- cobalt chloride may be used which is blue when anhydrous and pink when hydrated.
- the salt may be water-insoluble, such as cobalt carbonate which is blue when anhydrous and pink when hydrated.
- a means of providing a colour change would be the use of an acid/base indicator.
- Such materials change colour in response to a change in pH (acidity or alkalinity) in the contact medium. Since the normal pH range of urine is 6.0 - 6.5 (that is, slightly acid) any indicator which changes colour at pH values below 7 or above 5.5. will serve to indicate the presence of urine.
- Suitable acid/base indicators may include litmus (blue when alkaline changing to pink when acid) and phenolphthalein (pink when alkaline changing to colourless when acid).
- suibable indicators may include but are not limited to bromocresol purple, bro ophenol red, nitrazine yellow, bromothymol blue, brilliant yellow, neutral red, methyl red, ethyl red and chlorophenol red. Such indicators may be used alone or in combination to form clear colour changes when in contact with urine.
- the absorbent layer of the chamber-pot liner comprises, for example, dia ⁇ etyl monoxime reagent (consisting of: diacetyl monoxide - CH CO. C(NOH) CH_ - in solution with sodium chloride and BRIJ 35, that is the polyethylene glycol ether of lauryl alcohol).
- the means for changing colour may be a ferric alum reagent, consisting of ammonium ferric sulphate in acid solution.
- the colour change means may be distributed within the absorbent layer in such a manner that shapes, for example, animal shapes appear on the absorbent layer when the chamber-pot is used.
- the colour change means may be printed on or otherwise incorporated into the absorbent layer in pattern form such that, for example geometrical shapes appear when the chamber-pot is used. Naturally any shape may be printed on or incorporated into the liner. This aspect of the embodiment is likely to encourage a child to use the chamber-pot on account of the attraction of patterns being formed during use.
- Another significant advantage with this embodiment is that after use, the waste matter of the child can be disposed of easily without the need to clean or sterilise the chamber-pot.
- Embodiments of the invention may be packaged in sheet or- roll form.
- a plurality of bag-shaped chamber-pot liners may be packaged in the form of a roll, one individual liner being separable from the next by means of a tear-line.
- the tear-line may be formed by means of perforations.
- Figure 1 shows a bag-shaped liner embodying the present invention for a chamber-pot
- Figure 2 shows the embodiment of Figure 1 in position within a chamber-pot
- Figure 3 is a plan view of the arrangement of Figure 2;
- Figure 4 illustrates a plurality of the liners Figure 1 packaged in roll form.
- Figure 1 shows a bag-shaped liner which comprises a waterproof, translucent plastics wall 1.
- the plastics wall 1 may be extruded in cylindrical form and folded at sides 2, 3 so as to enable flat packaging thereof.
- the closed end of the bag-shaped liner may be formed by a sealing weld 4. This weld may be estabished by heat treatment.
- a soft, padded lining 5 is adhered to the inner surface of the liner.
- the lining is formed from any kind of absorbent material which would be known to the skilled man in the art.
- An alternative method of construction may involve lining one side of a sheet of plastics material with the absorbent layer and subsequently folding the sheet about a line running along the length thereof so that the absorbent layer on one side of the line is folded over to contact the layer on the other side of the line. The largest open edge can then be sealed together. The open and closed ends of individual bag-shaped liners 1 can then be formed in the continuous length of liner by methods known in the art.
- the absorbent layer is impregnated with a diacetyl monoxime reagent which changes colour on contact with urine (see examples given above).
- Self-adhesive tabs 6 are provided for securing the bag-shaped liner 1 to a chamber-pot.
- Figure 2 illustrates a chamber-pot 7 in which the liner 1 has been placed.
- Figure 4 illustrates a plurality of bag-shaped liners 1 packaged in the form of a roll 8.
- a tear-line comprising a series of perforations 9 is associated with the open end of each of the liners 1.
- the closed end of the liners 1 is defined by a sealing weld 10.
- a draw-cord 11 may be provided around the periphery of the open end of each liner either for enabling securing of the liner around a container and/or for enabling closing of the liner after use.
Abstract
A disposable chamber-pot liner comprises a waterproof translucent plastics wall. The plastics wall (1) has folded sides (2 and 3) and a closed end (4). A soft padded lining (5) is adhered to the inner surface of the liner and is impregnated with a colour changing means which changes colour on contact with urine. Self adhesive tabs (6) are provided for securing the liner (1) to the chamber-pot.
Description
DISPOSABLE CHAMBER-POT LINERS
This invention relates to disposable chamber-pot liners.
Existing disposable liners are invariably bag-shaped in construction and consist of a generally opaque thin plastics material. They are generally suitable for holding solid or fluid waste material but are not suitable for lining a chamber-pot.
One disadvantage with such disposable liners is that fluids held within them can leak or spill from the liner if the liner becomes punctured or is dropped. Leakage or spillage can be a serious problem particularly when the fluids are harmful, or if the fluids are ones which may stain household items such as carpets. Leakage or spillage of fluids from a disposable liner may be unpleasant in the case where the fluids are human or animal waste material, that is urine and the like.
It is an aim of the present invention to provide a disposable chamber-pot liner of a size and configuration suitable for lining a chamber-pot and which overcomes the aforementioned disadvantage.
According to the present invention, there is provided a disposable chamber-pot liner which is generally bag-shaped and comprises a non-permeable base material supporting an absorbent layer on at least part of one side thereof, which absorbent layer is suitable for absorbing and retaining fluids.
Embodiments of the invention have the advantage that they absorb and retain fluids (i. e. urine) thereby reducing or eliminating the risk of spillage of the fluids therefrom when the liner is removed from the chamber-pot and thrown away.
Means may be provided within the absorbent layer for changing colour on contact with one or more of the fluids.
The plastics material of the liner may be translucent so that the colour change can be seen from the side of the liner not covered with the absorbent layer.
The disposable chamber-pot liner may be provided with means for securing the liner to the chamber-pot. The securing means may be in the form of adhesive tabs positioned around the opening of the liner. Alternatively, the securing means may be in the form of
a draw-cord or integrally moulded handles positioned around the opening of the liner.
In a preferred embodiment of the invention, part or all of the external surface of the disposable liner may be formed so as to have a tendency to cling to the container which is lined by the liner. More specifically, the plastics material itself may be of a material which inherently has this tendency.
Embodiments comprising the draw-cord have the advantage that the liner may be closed in a relatively simple manner after use, thereby preventing the spillage of fluids and/or solid materials from within.
The means provided within the absorbent layer for changing colour may be a material which has one colour in its anhydrous salt form and a different colour in the hydrated salt form. Such materials maybe of a water soluble nature, for example, copper sulphate which is white when anhydrous and turns blue on contact with water which forms part of the urine. The degree of blue colouring within the absorbent layer of the lining may serve to indicate the extent to which the liner is filled. This may in turn indicate the need to replace the chamber-pot liner.
Alternatively cobalt chloride may be used which is blue when anhydrous and pink when hydrated.
Alternatively, the salt may be water-insoluble, such as cobalt carbonate which is blue when anhydrous and pink when hydrated.
In a preferred embodiment of the invention a means of providing a colour change would be the use of an acid/base indicator. Such materials change colour in response to a change in pH (acidity or alkalinity) in the contact medium. Since the normal pH range of urine is 6.0 - 6.5 (that is, slightly acid) any indicator which changes colour at pH values below 7 or above 5.5. will serve to indicate the presence of urine. Suitable acid/base indicators may include litmus (blue when alkaline changing to pink when acid) and phenolphthalein (pink when alkaline changing to colourless when acid). Other suibable indicators may include but are not limited to bromocresol purple, bro ophenol red, nitrazine yellow, bromothymol blue, brilliant yellow, neutral red, methyl red, ethyl red and chlorophenol red. Such indicators may be used alone or in combination to form clear colour changes when in contact with urine.
In an alternative embodiment of the invention, the
absorbent layer of the chamber-pot liner comprises, for example, diaσetyl monoxime reagent (consisting of: diacetyl monoxide - CH CO. C(NOH) CH_ - in solution with sodium chloride and BRIJ 35, that is the polyethylene glycol ether of lauryl alcohol). Alternatively, the means for changing colour may be a ferric alum reagent, consisting of ammonium ferric sulphate in acid solution.
These substances produce a pronounced colour on contact with urine. This has the advantage that a child' s mother can more easily determine whether and to what extent any urine has been passed by her child using the chamber-pot lined with disposable liner. This is in addition to the advantage that the urine is absorbed by the absorbent layer and retained therein, thereby reducing or eliminating the risk of spillage. A further advantage with impregnation of the absorbent layer in this manner is that the change in colour on contact with the urine may act as a point of interest to the child thereby making use of the chamber-pot more attractive for the child.
The colour change means may be distributed within the absorbent layer in such a manner that shapes, for example, animal shapes appear on the absorbent layer when the chamber-pot is used. The colour change means
may be printed on or otherwise incorporated into the absorbent layer in pattern form such that, for example geometrical shapes appear when the chamber-pot is used. Naturally any shape may be printed on or incorporated into the liner. This aspect of the embodiment is likely to encourage a child to use the chamber-pot on account of the attraction of patterns being formed during use.
Another significant advantage with this embodiment is that after use, the waste matter of the child can be disposed of easily without the need to clean or sterilise the chamber-pot.
Embodiments of the invention may be packaged in sheet or- roll form. For example, a plurality of bag-shaped chamber-pot liners may be packaged in the form of a roll, one individual liner being separable from the next by means of a tear-line. The tear-line may be formed by means of perforations.
The invention will now be further described by way of example, with reference to the accompanying drawing, in which:
Figure 1 shows a bag-shaped liner embodying the present invention for a chamber-pot;
Figure 2 shows the embodiment of Figure 1 in position within a chamber-pot;
Figure 3 is a plan view of the arrangement of Figure 2; and
Figure 4 illustrates a plurality of the liners Figure 1 packaged in roll form.
Figure 1 shows a bag-shaped liner which comprises a waterproof, translucent plastics wall 1. The plastics wall 1 may be extruded in cylindrical form and folded at sides 2, 3 so as to enable flat packaging thereof. The closed end of the bag-shaped liner may be formed by a sealing weld 4. This weld may be estabished by heat treatment.
Prior to sealing the closed end of the liner, a soft, padded lining 5 is adhered to the inner surface of the liner. The lining is formed from any kind of absorbent material which would be known to the skilled man in the art.
An alternative method of construction may involve lining one side of a sheet of plastics material with the absorbent layer and subsequently folding the sheet about a line running along the length thereof so that the absorbent layer on one side of the line is folded over to contact the layer on the other side of the line. The largest open edge can then be sealed together. The open and closed ends of individual bag-shaped liners 1 can
then be formed in the continuous length of liner by methods known in the art.
The absorbent layer is impregnated with a diacetyl monoxime reagent which changes colour on contact with urine (see examples given above).
Self-adhesive tabs 6 are provided for securing the bag-shaped liner 1 to a chamber-pot. Figure 2 illustrates a chamber-pot 7 in which the liner 1 has been placed.
Figure 4 illustrates a plurality of bag-shaped liners 1 packaged in the form of a roll 8. A tear-line, comprising a series of perforations 9 is associated with the open end of each of the liners 1. The closed end of the liners 1 is defined by a sealing weld 10.
A draw-cord 11 may be provided around the periphery of the open end of each liner either for enabling securing of the liner around a container and/or for enabling closing of the liner after use.
Claims
1. A disposable chamber-pot liner (1) which is generally bag-shaped and comprises a non-permeable base material supporting an absorbent layer (5) on at least part of one side thereof, which absorbent layer is suitable for absorbing and retaining fluids; wherein means is provided within the absorbent layer for changing colour on contact with one or more of the fluids.
2. A disposable chamber-pot liner according to claim 1, wherein the non-permeable base material is of a translucent plastics material thereby enabling the colour change to be seen from the side of the liner not covered with the absorbent layer.
3. A disposable chamber-pot liner according to any one of claims 1 or 2, comprising means (6) for securing the chamber-pot liner to the chamber-pot.
4. A disposable chamber-pot liner according to claim 3, wherein the securing means is in the form of adhesive tabs (6) positioned around the opening of the liner.
5. A disposable chamber-pot liner according to claim 3, wherein the securing means is in the form of a draw-cord (11) or integrally moulded handles positioned around the opening of the liner.
6. A disposable chamber-pot liner according to claim 1, wherein the means for changing colour is a material which has one colour in its anhydrous salt form and a different colour in the hydrated salt form.
7. A disposable chamber-pot liner according to claim 6, wherein the means for changing colour is any one or more of copper sulphate, cobalt chloride, or cobalt carbonate.
8. A disposable chamber-pot liner according to claim 6, wherein the means for changing colour is a reagent for detecting the present of urea.
9. A disposable chamber-pot liner according to claim 8, wherein the reagent is any one or more of a litmus indicator, phenolphthalein, bromocreεol purple, bromophenol red, nitrazine yellow, bro othymol blue, brilliant yellow, neutral red, methyl red, ethyl red and σhlorophenol red, or diacetyl monoxine reagent, or a pheric alum reagent.
1£ A disposable chamber-pot liner according to any one of the preceding claims, wherein the colour changing means is patterned or distributed within the absorbent layer such that when the chamber-pot is used patterned shapes, for example animal shapes or geometrical patterns, appear on the absorbent layer.
11. A plurality of disposable chamber-pot liners according to any one of the preceding claims packaged in a roll, successive liners being separable from the next by means of a tear-line.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8907272.2 | 1989-03-31 | ||
GB8907272A GB2229699A (en) | 1989-03-31 | 1989-03-31 | Disposable chamber-pot liners |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990011714A1 true WO1990011714A1 (en) | 1990-10-18 |
Family
ID=10654243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1990/000487 WO1990011714A1 (en) | 1989-03-31 | 1990-04-02 | Disposable chamber-pot liners |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2229699A (en) |
WO (1) | WO1990011714A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2720918A1 (en) * | 1994-06-13 | 1995-12-15 | Oury Jean Pierre | Chamber pot with detachable liner bag |
FR2720919A1 (en) * | 1994-06-13 | 1995-12-15 | Oury Jean Pierre | Chamber pot with disposable liner bag |
US10165909B2 (en) | 2015-09-03 | 2019-01-01 | Hy-Industrie Inc. | Multi-liner assembly for a body liquid receptacle and a body liquid receptacle including same |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248180A (en) * | 1990-09-28 | 1992-04-01 | Leyton Purrier Jennifer | Disposable chamber-pot liner |
US5564136A (en) * | 1995-06-01 | 1996-10-15 | Cox; Kathleen M. | Incontinence seat for a wheelchair |
GB2320012A (en) * | 1996-12-04 | 1998-06-10 | James Barrie | Disposable liner |
IT246005Y1 (en) * | 1998-03-09 | 2002-03-26 | Salvatore Secchi | SANITARY CONTAINER FOR WC |
WO1999049770A1 (en) * | 1998-03-30 | 1999-10-07 | Miller Mark B | Flushable potty liner |
GB9903889D0 (en) * | 1999-02-19 | 1999-04-14 | Alticosalian Gerald H | Container |
WO2000066005A1 (en) * | 1999-05-03 | 2000-11-09 | Exact Laboratories, Inc. | Stool specimen collector |
US6789277B2 (en) * | 2000-06-02 | 2004-09-14 | A. Robert Spitzer | No drip bedpan |
ES2213452B1 (en) * | 2002-05-16 | 2005-11-01 | Isabel Leon Diaz | SINGLE-WAY SALVACUÑAS. |
DE10243942B4 (en) * | 2002-09-20 | 2005-09-29 | Horst Aschmies | Disposable insert for children's pot |
GB2399495A (en) * | 2003-03-19 | 2004-09-22 | Theresa Welby | Liner for use with a commode |
US7073212B1 (en) * | 2005-02-11 | 2006-07-11 | Jennifer Moffat | Training potty with disposable potty liners |
GB2483895B (en) * | 2010-09-24 | 2016-09-21 | Kangni Magalie | Potty training with a build in disposable container |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3978818A (en) * | 1973-11-05 | 1976-09-07 | Heldenbrand Ladd L | Litter packages |
US4507121A (en) * | 1983-05-02 | 1985-03-26 | Leung Martin C | Disposable diaper with isolated wetness indicator |
US4705513A (en) * | 1986-06-27 | 1987-11-10 | Sidney Sheldon | Disposable diaper with wetness indicator |
GB2196246A (en) * | 1986-10-16 | 1988-04-27 | Brenton Vann | Universal disposable body waste vessel liner/bag |
GB2218902A (en) * | 1988-05-26 | 1989-11-29 | Gillian Paula Wright | Portable chamber-pot |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1061488A (en) * | 1964-11-05 | 1967-03-15 | Hughes Holdings Brighton Ltd | Child's chamber pot |
US3936890A (en) * | 1974-05-06 | 1976-02-10 | Oberstein N | Bio-disposable bag-type liner for bedpans and the like |
DE7530132U (en) * | 1975-09-24 | 1976-02-05 | Artusi A B | Paper sack |
GB1531606A (en) * | 1976-08-02 | 1978-11-08 | Propper Mfg Co Inc | Sterile packs |
US4285681A (en) * | 1978-01-25 | 1981-08-25 | Union Carbide Corporation | Tear resistant separable end-connected bags |
US4345712A (en) * | 1980-09-24 | 1982-08-24 | Gim Heung S | Plastic bag |
US4509215A (en) * | 1983-06-28 | 1985-04-09 | Lirida Paz | Disposable liner for a musical potty chair |
US4759086A (en) * | 1984-06-27 | 1988-07-26 | Booth Cox Charlotte A | Disposable receptacle for bodily waste |
US4735308A (en) * | 1985-04-17 | 1988-04-05 | Barner Juliane S | Compound food storage bag |
BE1000640A7 (en) * | 1987-06-04 | 1989-02-28 | Dehaese Brigitte | PROTECTION FOR CONTAINERS INTENDED FOR RECEIVING DEJECTIONS. |
-
1989
- 1989-03-31 GB GB8907272A patent/GB2229699A/en not_active Withdrawn
-
1990
- 1990-04-02 WO PCT/GB1990/000487 patent/WO1990011714A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3978818A (en) * | 1973-11-05 | 1976-09-07 | Heldenbrand Ladd L | Litter packages |
US4507121A (en) * | 1983-05-02 | 1985-03-26 | Leung Martin C | Disposable diaper with isolated wetness indicator |
US4705513A (en) * | 1986-06-27 | 1987-11-10 | Sidney Sheldon | Disposable diaper with wetness indicator |
GB2196246A (en) * | 1986-10-16 | 1988-04-27 | Brenton Vann | Universal disposable body waste vessel liner/bag |
GB2218902A (en) * | 1988-05-26 | 1989-11-29 | Gillian Paula Wright | Portable chamber-pot |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2720918A1 (en) * | 1994-06-13 | 1995-12-15 | Oury Jean Pierre | Chamber pot with detachable liner bag |
FR2720919A1 (en) * | 1994-06-13 | 1995-12-15 | Oury Jean Pierre | Chamber pot with disposable liner bag |
US10165909B2 (en) | 2015-09-03 | 2019-01-01 | Hy-Industrie Inc. | Multi-liner assembly for a body liquid receptacle and a body liquid receptacle including same |
Also Published As
Publication number | Publication date |
---|---|
GB2229699A (en) | 1990-10-03 |
GB8907272D0 (en) | 1989-05-17 |
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