US3759261A - Yer diapers disposable diapers and disposable diapers with water proof la - Google Patents

Yer diapers disposable diapers and disposable diapers with water proof la Download PDF

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US3759261A
US3759261A US00233160A US3759261DA US3759261A US 3759261 A US3759261 A US 3759261A US 00233160 A US00233160 A US 00233160A US 3759261D A US3759261D A US 3759261DA US 3759261 A US3759261 A US 3759261A
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diaper
color
carrier layer
layer
diapers
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm

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  • ABSTRACT A diaper which is capable of providing a readily visible indication when wet includes an inner layer of absorbent material, a layer carrying a printed pattern, and at least one outer layer which is of sufficient density as to conceal the printed pattern when the diaper is dry while rendering the printed pattern readily visible when the diaper is wet.
  • the present invention relates to diapers, and more particularly, the present invention relates to diapers which are capable of providing a readily visible indication when they are wet.
  • the present invention provides a diaper which possesses the outward appearance of an ordinary diaper when dry but which displays a readily visible pattern when wet.
  • the diaper includes an inner layer of absorbent material, a carrier layer of material on which the pattern is printed and which is superimposed on the inner layer, and an outer layer overlying the printed carrier layer.
  • the carrier layer is preferably of a light color
  • the printed matter is of a color which contrasts therewith.
  • the outer layer is of a lightcolored material and is of sufficient density as to conceal the printed matter when dry while permitting the printed matter to be readily visible when the outer layer is wet. An adult is thereby able to determine whether or not the diaper needs to be changed simply by inspecting the diaper without disturbing its wearer.
  • FIG. 1 is a perspective view of a diaper embodying the present invention
  • FIG. 2 is an enlarged perspective view of the area enclosed by broken lines in FIG. 1 but with layers of the diaper peeled away to expose printed matter on one layer;
  • FIG. 3 is an enlarged cross sectional view taken along line 3-3 of FIG. 1.
  • FIG. 1 a diaper l embodying the present invention.
  • the diaper has the outward appearance of a conventional diaper when it is dry; however, the diaper 10 is capable of providing a readily visible display or signal when it is wet. As a result, an adult is able to determine whether or not the diaper 10 needs to be changed simply by inspecting the outside of the diaper 10 without the necessity of disturbing a baby wearing the same.
  • the diaper 10 is preferably of the disposable type and comprises a plurality of layers of cloth or paper material underneath an outermost layer 11 of translucent water-impervious material. As may be seen in FIG. 3, the diaper 10 has an innermost layer 12 which is normally disposed against the body of the baby in the customary manner, and an inner layer of absorbent material 13 superimposed on the innermost layer 12 for absorbing the babys excrement.
  • DDWL waterproof layer
  • the diaper 10 is provided with means for providing a readily visible display or signal when it is wet.
  • a carrier layer of material 14 is superimposed on the absorbent layer 13, and a pattern 15 is imprinted on the carrier layer 14.
  • the pattern 15 may include floral patterns or the like, and the color of the printed pattern 15 is selected to contrast with the color of the underlying carrier layer 14.
  • the printed pattern 15 is dark relative to the carrier layer 14, and it is desirable for the colors of the printed pattern 15 to be insoluble and otherwise unaffected by excrement, including urine.
  • the color of the material forming the sheets 16 and 17 is preferably light relative to the pattern 15 and, in the present instance, the pattern 15 is dark so as to contrast with the sheets 16 and 17. It is noted that the pattern 15 may be printed on either the inside or the outside of the carrier layer 14.
  • the outer layers 16 and 17 also absorb excrement as does the innermost layers 12 and 13.
  • the outer layers 16 and 17 prevent the printed pattern 15 from being visible from the top or outside of the diaper 10 when the diaper 10 is dry; however, the layers l6 and I7 permit the pattern 15 to be readily visible from outside the diaper when the diaper 10 and particularly the outer layers 16 and 17 are wet. Accordingly, an adult is able to determine whether or not the diaper 10 needs to be changed simply by inspecting the diaper without disturbing the baby.
  • the diaper preferably includes at least one inner layer, a carrier layer on the inner layer, and an outer layer on the carrier layer, each of which is capable of absorbing excrement.
  • the present invention may be incorporated in diapers of conventional construction materials.
  • a diaper capable of providing a readily visisble indication of a wetness condition of the body underneath the diaper, comprising: a carrier layer of material, means providing at least one color on said carrier layer, and means covering said color with said color contrasting with said covering means and said covering means being of a density for rendering said color substantially invisible when said covering means is dry while rendering said color visible when said covering menas is wet, tern is printed on said carrier layer. said color being dark relative to said carrier layer and 3.
  • said one said covering means including an outer layer of relaside of said carrier layer faces outwardly. tively light-colored material overlying said dark color 4.
  • a diaper according to claim 2 wherein said one to mask said color when said outer layer is dry, said 5 side of said carrier layer faces inwardly. color being disposed in a pattern on one side of said 5.
  • a diaper accroding to claim 1 wherein said covercarrier layer and being water insoluble, whereby the ing means is fabricated of a low-density material. condition of the body beneath the article may be 6.
  • a diaper according to claim 1 including at least readily determined upon inspection of the covering one absorbent layer underlying said carrier layer and a means. waterproof layer overlying said covering means.

Abstract

A diaper which is capable of providing a readily visible indication when wet includes an inner layer of absorbent material, a layer carrying a printed pattern, and at least one outer layer which is of sufficient density as to conceal the printed pattern when the diaper is dry while rendering the printed pattern readily visible when the diaper is wet.

Description

United States Patent 11 1 1111 3,759,261
Wang 1 1 Sept. 18, 1973 [5 DIAPERS, DISPOSABLE DIAPERS ANI) 3,675,654 7/1972 Baker et al. 128/287 wiggifiig z tfi g FOREIGN PATENTS OR APPLICATIONS 1,355,018 2/1964 France 128/284 [76] Inventor: Rong-Shuang Wang, 24-A Gate House Apts., Beverly, N.J. 08010 [22] Filed: Mar. 9, 1972 [21] Appl. No.: 233,160
[52] U.S. Cl. 128/287 [51] Int. Cl. A611 13/16 [58] Field of Search 128/284, 287
[56] References Cited UNITED STATES PATENTS 3,636,952 1/1972 George 128/287 3,663,348 5/1972 Liloia et a1 128/284 Primary Examiner-Charles F. Rosenbaum Attorney-Dexter N. Shaw [57] ABSTRACT A diaper which is capable of providing a readily visible indication when wet includes an inner layer of absorbent material, a layer carrying a printed pattern, and at least one outer layer which is of sufficient density as to conceal the printed pattern when the diaper is dry while rendering the printed pattern readily visible when the diaper is wet.
6 Claims, 3 Drawing Figures DIAPERS, DISPOSABLE DIAPERS AND DISPOSABLE DIAPERS WITH WATER-PROOF LAYER The present invention relates to diapers, and more particularly, the present invention relates to diapers which are capable of providing a readily visible indication when they are wet.
It is known that adults sometimes have difficulty in determining whether or not a diaper on a baby is wet or dry without disturbing the baby, and if the baby is asleep, it may be awakened inadvertently. According, a diaper which is capable of providing a readily visible signal when wet and in need of being changed is highly desirable.
With the foregoing in mind, it is a primary object of the present invention to provide a diaper having novel means for providing a readily visible indication when wet so that an adult can tell whether or not the diaper needs to be changed without disturbing a baby wearing the diaper.
More specifically, the present invention provides a diaper which possesses the outward appearance of an ordinary diaper when dry but which displays a readily visible pattern when wet. The diaper includes an inner layer of absorbent material, a carrier layer of material on which the pattern is printed and which is superimposed on the inner layer, and an outer layer overlying the printed carrier layer. The carrier layer is preferably of a light color, and the printed matter is of a color which contrasts therewith. The outer layer is of a lightcolored material and is of sufficient density as to conceal the printed matter when dry while permitting the printed matter to be readily visible when the outer layer is wet. An adult is thereby able to determine whether or not the diaper needs to be changed simply by inspecting the diaper without disturbing its wearer.
These and other objects, features and advantages of the present invention should become apparent from the following description when taken in conjunction with the accompanying drawing, in which:
FIG. 1 is a perspective view of a diaper embodying the present invention;
FIG. 2 is an enlarged perspective view of the area enclosed by broken lines in FIG. 1 but with layers of the diaper peeled away to expose printed matter on one layer; and
FIG. 3 is an enlarged cross sectional view taken along line 3-3 of FIG. 1.
Referring now to the drawing, there is illustrated in FIG. 1 a diaper l embodying the present invention. The diaper has the outward appearance of a conventional diaper when it is dry; however, the diaper 10 is capable of providing a readily visible display or signal when it is wet. As a result, an adult is able to determine whether or not the diaper 10 needs to be changed simply by inspecting the outside of the diaper 10 without the necessity of disturbing a baby wearing the same.
As best seen in FIG. 2, the diaper 10 is preferably of the disposable type and comprises a plurality of layers of cloth or paper material underneath an outermost layer 11 of translucent water-impervious material. As may be seen in FIG. 3, the diaper 10 has an innermost layer 12 which is normally disposed against the body of the baby in the customary manner, and an inner layer of absorbent material 13 superimposed on the innermost layer 12 for absorbing the babys excrement. A
conventional disposable diaper would include the lay ers 11 and 12 and I3, and the diaper would function in the customary manner. Such a diaper may be termed a disposable diaper with a waterproof layer (DDWL). of course, it should be understood that the present invention may be incorporated in conventional washable diapers or disposable diapers without waterproof layers.
According to the present invention, the diaper 10 is provided with means for providing a readily visible display or signal when it is wet. For this purpose, a carrier layer of material 14 is superimposed on the absorbent layer 13, and a pattern 15 is imprinted on the carrier layer 14. As may be seen in FIG. 2, the pattern 15 may include floral patterns or the like, and the color of the printed pattern 15 is selected to contrast with the color of the underlying carrier layer 14. Preferably, the printed pattern 15 is dark relative to the carrier layer 14, and it is desirable for the colors of the printed pattern 15 to be insoluble and otherwise unaffected by excrement, including urine.
In order to mask the printed pattern 15 when the diaper 10 is dry, while permitting the printed matter 15 to appear when the diaper 10 is wet, at least one outer layer 16 and preferably a plurality of layers or sheets of loose and light cloth, paper, or paper like material 16 and 17, depending upon the density of the material forming each layer, covers the carrier layer 14 and conceals the pattern 15. The color of the material forming the sheets 16 and 17 is preferably light relative to the pattern 15 and, in the present instance, the pattern 15 is dark so as to contrast with the sheets 16 and 17. It is noted that the pattern 15 may be printed on either the inside or the outside of the carrier layer 14. The outer layers 16 and 17 also absorb excrement as does the innermost layers 12 and 13. By virtue of this structure, the outer layers 16 and 17 prevent the printed pattern 15 from being visible from the top or outside of the diaper 10 when the diaper 10 is dry; however, the layers l6 and I7 permit the pattern 15 to be readily visible from outside the diaper when the diaper 10 and particularly the outer layers 16 and 17 are wet. Accordingly, an adult is able to determine whether or not the diaper 10 needs to be changed simply by inspecting the diaper without disturbing the baby.
In view of the foregoing it should be apparent that there has now been provided an improved diaper which is capable of providing a readily visible indication when it is wet. The diaper preferably includes at least one inner layer, a carrier layer on the inner layer, and an outer layer on the carrier layer, each of which is capable of absorbing excrement. The present invention may be incorporated in diapers of conventional construction materials.
While a preferred embodiment of the present invention has been described in detail, various modifications, alterations or changes may be made without departing from the spirit and scope of the present invention as defined in the appended claims.
I claim:
I. A diaper capable of providing a readily visisble indication of a wetness condition of the body underneath the diaper, comprising: a carrier layer of material, means providing at least one color on said carrier layer, and means covering said color with said color contrasting with said covering means and said covering means being of a density for rendering said color substantially invisible when said covering means is dry while rendering said color visible when said covering menas is wet, tern is printed on said carrier layer. said color being dark relative to said carrier layer and 3. A diaper according to claim 2 wherein said one said covering means including an outer layer of relaside of said carrier layer faces outwardly. tively light-colored material overlying said dark color 4. A diaper according to claim 2 wherein said one to mask said color when said outer layer is dry, said 5 side of said carrier layer faces inwardly. color being disposed in a pattern on one side of said 5. A diaper accroding to claim 1 wherein said covercarrier layer and being water insoluble, whereby the ing means is fabricated of a low-density material. condition of the body beneath the article may be 6. A diaper according to claim 1 including at least readily determined upon inspection of the covering one absorbent layer underlying said carrier layer and a means. waterproof layer overlying said covering means.
2. A diaper according to claim 1, wherein said pat-

Claims (6)

1. A diaper capable of providing a readily visisble indication of a wetness condition of the body underneath the diaper, comprising: a carrier layer of material, means providing at least one color on said carrier layer, and means covering said color with said color contrasting with said covering means and said covering means being of a density for rendering said color substantially invisible when said covering means is dry while rendering said color visible when said covering menas is wet, said color being dark relative to said carrier layer and said covering means including an outer layer of relatively lightcolored material overlying said dark color to mask said color when said outer layer is dry, said color being disposed in a pattern on one side of said carrier layer and being water insoluble, whereby the condition of the body beneAth the article may be readily determined upon inspection of the covering means.
2. A diaper according to claim 1, wherein said pattern is printed on said carrier layer.
3. A diaper according to claim 2 wherein said one side of said carrier layer faces outwardly.
4. A diaper according to claim 2 wherein said one side of said carrier layer faces inwardly.
5. A diaper accroding to claim 1 wherein said covering means is fabricated of a low-density material.
6. A diaper according to claim 1 including at least one absorbent layer underlying said carrier layer and a waterproof layer overlying said covering means.
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Cited By (70)

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US4022211A (en) * 1974-08-14 1977-05-10 Kimberly-Clark Corporation Wetness indicator for absorbent pads
US4192311A (en) * 1977-12-05 1980-03-11 Felfoldi James J Disposable diaper with wetness indicator
US4231370A (en) * 1979-06-18 1980-11-04 The Procter & Gamble Company Disposable diaper type garment having wetness indicator
WO1983000742A1 (en) * 1981-08-26 1983-03-03 Towsend, Marvin, S. Disposable article with non-leachable saline water indicator
US4507121A (en) * 1983-05-02 1985-03-26 Leung Martin C Disposable diaper with isolated wetness indicator
EP0148115A1 (en) * 1983-12-29 1985-07-10 René Levy Baby diaper
GB2177977A (en) * 1985-07-09 1987-02-04 Willett Int Ltd Marking codes on diaper by ink jet printing; diaper fabrication
US4705513A (en) * 1986-06-27 1987-11-10 Sidney Sheldon Disposable diaper with wetness indicator
US4735622A (en) * 1987-01-15 1988-04-05 Acuff Andila C Disposable training panties
US4931051A (en) * 1987-02-06 1990-06-05 Edge Enterprises, Inc. Wetness indicator
US5035691A (en) * 1990-06-28 1991-07-30 H. B. Fuller Licensing & Financing Inc. Hot-melt moisture indicator material for disposable articles
US5089548A (en) * 1990-06-28 1992-02-18 H. B. Fuller Company Hot-melt moisture indicator material for disposable articles
US5389093A (en) * 1992-04-01 1995-02-14 Howell; Wesley A. Wetness indicating diaper
EP0776645A1 (en) * 1995-11-29 1997-06-04 Uni-Charm Corporation Disposable diaper with visual wetness indicator
EP0813850A2 (en) * 1996-05-16 1997-12-29 Uni-Charm Corporation Disposable diaper
US5780721A (en) * 1996-06-03 1998-07-14 Minnesota Mining And Manufacturing Company Composite construction for detection chemical leaks
US5947943A (en) * 1998-02-02 1999-09-07 Lee; Frances Meiling Diaper visual indicator
US6066774A (en) * 1996-07-30 2000-05-23 The Procter & Gamble Company Absorbent article with fiber optic waste inspection system
US6079351A (en) * 1995-02-13 2000-06-27 Loennoe; Anders Wetting indicator for composites
US6213992B1 (en) 1996-07-30 2001-04-10 The Procter & Gamble Company Disposable garment with inspection porthole
WO2001049230A1 (en) * 2000-01-05 2001-07-12 Kimberly-Clark Worldwide, Inc. Absorbent articles with enhanced graphic impact
US6297424B1 (en) 1999-06-15 2001-10-02 Kimberly-Clark Worldwide, Inc. Absorbent articles having wetness indicating graphics providing an interactive training aid
US6307119B1 (en) 1999-06-15 2001-10-23 Kimberly-Clark Worldwide, Inc. Absorbent articles having wetness indicating graphics incorporating a training zone
US6460480B1 (en) * 1998-01-30 2002-10-08 Schloesser Ulrich Label for plants which can be inserted into the soil
US20030105443A1 (en) * 2000-07-10 2003-06-05 The Procter & Gamble Company Absorbent article comprising mircroporous film with registration mark
US6583722B2 (en) 2000-12-12 2003-06-24 Kimberly-Clark Worldwide, Inc. Wetness signaling device
US6596918B1 (en) 2000-06-05 2003-07-22 Kimberly-Clark Worldwide, Inc. Absorbent articles having wetness indicating graphics and employing masking techniques
US6603403B2 (en) 2000-12-12 2003-08-05 Kimberly-Clark Worldwide, Inc. Remote, wetness signaling system
US20030164136A1 (en) * 2001-10-30 2003-09-04 The Procter & Gamble Company Wetness indicator having improved colorant retention
US20030194894A1 (en) * 2002-04-10 2003-10-16 Ramesh Wariar Access disconnection systems and methods
US20030195454A1 (en) * 2002-04-10 2003-10-16 Ramesh Wariar Access disconnection systems and methods
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US6710221B1 (en) 1999-06-15 2004-03-23 Kimberly-Clark Worldwide, Inc. Absorbent articles incorporating color change graphics
US20040170813A1 (en) * 2001-09-19 2004-09-02 The Procter & Gamble Company Color printed laminated structure, absorbent article comprising the same and process for manufacturing the same
US20050199177A1 (en) * 2002-02-19 2005-09-15 Klofta Thomas J. Wetness indicator having improved colorant retention and durability
US20050234420A1 (en) * 2001-12-18 2005-10-20 Artley John W Resusable incontinence product and method of making the same
US20060068256A1 (en) * 2004-09-29 2006-03-30 Tomoaki Arimura Proton conductive polymer and fuel cell
US7147615B2 (en) 2001-06-22 2006-12-12 Baxter International Inc. Needle dislodgement detection
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Cited By (139)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022211A (en) * 1974-08-14 1977-05-10 Kimberly-Clark Corporation Wetness indicator for absorbent pads
US4192311A (en) * 1977-12-05 1980-03-11 Felfoldi James J Disposable diaper with wetness indicator
US4231370A (en) * 1979-06-18 1980-11-04 The Procter & Gamble Company Disposable diaper type garment having wetness indicator
WO1983000742A1 (en) * 1981-08-26 1983-03-03 Towsend, Marvin, S. Disposable article with non-leachable saline water indicator
US4507121A (en) * 1983-05-02 1985-03-26 Leung Martin C Disposable diaper with isolated wetness indicator
WO1985002981A1 (en) * 1983-12-29 1985-07-18 Levy Rene Diaper for child
EP0148115A1 (en) * 1983-12-29 1985-07-10 René Levy Baby diaper
GB2177977A (en) * 1985-07-09 1987-02-04 Willett Int Ltd Marking codes on diaper by ink jet printing; diaper fabrication
US4909879A (en) * 1985-07-09 1990-03-20 Willett International Limited A Method for the coding of absorbent material
GB2177977B (en) * 1985-07-09 1990-06-20 Willett Int Ltd Coding of absorbent materials
US4705513A (en) * 1986-06-27 1987-11-10 Sidney Sheldon Disposable diaper with wetness indicator
US4735622A (en) * 1987-01-15 1988-04-05 Acuff Andila C Disposable training panties
US4931051A (en) * 1987-02-06 1990-06-05 Edge Enterprises, Inc. Wetness indicator
US5089548A (en) * 1990-06-28 1992-02-18 H. B. Fuller Company Hot-melt moisture indicator material for disposable articles
US5035691A (en) * 1990-06-28 1991-07-30 H. B. Fuller Licensing & Financing Inc. Hot-melt moisture indicator material for disposable articles
US5389093A (en) * 1992-04-01 1995-02-14 Howell; Wesley A. Wetness indicating diaper
US6079351A (en) * 1995-02-13 2000-06-27 Loennoe; Anders Wetting indicator for composites
AU703558B2 (en) * 1995-11-29 1999-03-25 Uni-Charm Corporation Disposable diaper
EP0776645A1 (en) * 1995-11-29 1997-06-04 Uni-Charm Corporation Disposable diaper with visual wetness indicator
US5690624A (en) * 1995-11-29 1997-11-25 Uni-Charm Corporation Disposable diaper
AU710789B2 (en) * 1996-05-16 1999-09-30 Uni-Charm Corporation Disposable diaper
US5766212A (en) * 1996-05-16 1998-06-16 Uni-Charm Corporation Disposable diaper
EP0813850A3 (en) * 1996-05-16 1999-12-01 Uni-Charm Corporation Disposable diaper
EP0813850A2 (en) * 1996-05-16 1997-12-29 Uni-Charm Corporation Disposable diaper
US5780721A (en) * 1996-06-03 1998-07-14 Minnesota Mining And Manufacturing Company Composite construction for detection chemical leaks
US6066774A (en) * 1996-07-30 2000-05-23 The Procter & Gamble Company Absorbent article with fiber optic waste inspection system
US6213992B1 (en) 1996-07-30 2001-04-10 The Procter & Gamble Company Disposable garment with inspection porthole
US6460480B1 (en) * 1998-01-30 2002-10-08 Schloesser Ulrich Label for plants which can be inserted into the soil
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