US3776233A - Edge contourable diaper - Google Patents

Edge contourable diaper Download PDF

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Publication number
US3776233A
US3776233A US00144032A US3776233DA US3776233A US 3776233 A US3776233 A US 3776233A US 00144032 A US00144032 A US 00144032A US 3776233D A US3776233D A US 3776233DA US 3776233 A US3776233 A US 3776233A
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US
United States
Prior art keywords
diaper
edges
sheets
cover
flaps
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.)
Expired - Lifetime
Application number
US00144032A
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English (en)
Inventor
C Schaar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colgate Palmolive Co
Original Assignee
Colgate Palmolive Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Colgate Palmolive Co filed Critical Colgate Palmolive Co
Application granted granted Critical
Publication of US3776233A publication Critical patent/US3776233A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
    • A61F13/51476—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being three-dimensional, e.g. embossed, textured, pleated, or with three-dimensional features, like gathers or loops
    • 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
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
    • 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
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • 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
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51464—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being stretchable or elastomeric
    • A61F13/51466—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being stretchable or elastomeric providing stretchability without the use of elastic material
    • 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
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/495—Absorbent articles specially adapted to be worn around the waist, e.g. diapers with faecal cavity
    • A61F2013/4958—Absorbent articles specially adapted to be worn around the waist, e.g. diapers with faecal cavity with a faecal management layer

Definitions

  • the diaper is transformed from a generally UNITED STATES PATENTS planar and rectangular shape to an arcuate configura- 2,910,982 11/1959 Woodward 128/284 tion responsive to longitudinal expansion of the cover 3,030,956 4/1962 Nichols 128/284 and back sheets, and the longitudinal edges Of the 3,036,573 5/ 1962 Volgtma 128/287 X sheets bow inwardly in at least the central region of 3,306,293 2/1967 Marder et a1.
  • 128/284 the diaper to generally conform to the Contour of an 3,322,122 5/1967 Daniel 128/284 infanvs bod 3,599,640 8/1971 Larson....
  • a principal feature of the present invention is the provision of a diaper of simplified construction which closely conforms to the contour of an infants body.
  • the diaper of the invention has a pleated fluid pervious cover sheet, and a pleated fluid impervious back sheet which is secured to the cover sheet adjacent the lateral and longitudinal edges of the diaper, with the securedsheets having a generally rectangular shape.
  • An absorbent pad is positioned intermediate the cover and back sheets and extends at least throughout the crotch region of the diaper.
  • a feature of the invention is that the diaper is transformedfrom a generally planar to an arcuate shape responsive to longitudinal expansion of the back and cover sheets.
  • Another feature of the invention is that the longitudinal edges of the sheets bow inwardly in at least the central region of the diaper for conformation of the edges to the body's contour.
  • the diaper has expandable pad means positioned between the sheets, and includes a pair of longitudinal flaps adhered to the cover sheet in the central region of the diaper.
  • a further feature is that the flaps have arcuate edges extending longitudinally along the diaper for improved conformation of the expandable diaper to the body contour.
  • FIG. 1 is a plan view partly broken away of the contourable diaper of the present invention
  • FIG. 2 is a plan view from the backside of the diaper of FIG. 1;
  • FIG. 3 is a cross sectional view taken substantiallyas indicated along the line 3-3 of FIG. 1;
  • FIG. 4 is a perspective view partly broken away of the diaper of FIG. 1 with the cover and back sheets in an expanded configuration
  • FIG. 5 is a plan view partly broken away of another embodiment of the present invention having an elongated absorbent pad
  • FIG. 6 is a perspective view partly broken away of the diaper of FIG. 5 with the cover and back sheets in an expanded configuration
  • FIG. 7 is a perspective view of another embodiment of the present invention.
  • FIG. 8 is a cross sectional view taken substantially as indicated along the line 88 of FIG. 7;
  • FIG. 9 is a cross sectional view taken substantially as indicated along the line 9-9 of FIG. 7;
  • FIG. 10 is a plan view of the diaper of FIG. 7 in a partly expanded configuration.
  • FIG. 11 is a perspective view partly brokenaway of the diaper of FIG. 7 in an expanded configuration.
  • a diaper designated generally 20 having a fluid pervious cover sheet 22, such as a nonwoven material, a fluid impervious back sheet 24, and an absorbent pad 26 positioned intermediate the sheets 22 and 24.
  • the back sheet 24 is secured to the cover sheet 22 adjacent the lateral and longitudinal edges of the diaper .28 and 30, respectively, to form an envelope for retaining the pad 26 in position, and provide the diaper 20 .with a generally planar and rectangular shape.
  • the back sheet 24 has a plurality of pleats 32 extending laterally across the diapers 20 in its central region, or the region substantially midway between the lateral edges 28, and the pleats 32 are tacked, such as byheat seals or adhesive spots 34, adjacent the. longitudinal edges 30 of the diaper 20.
  • the cover sheet22 has a laterally extending pleat 36 in the central region of the diaper 20.
  • the absorbent pad 26 has a generally rectangular shape and extends substantially between the lateral and longitudinal edges 28 and 30 of the diaper 20.
  • the cover and back sheets 22 and 24 are longitudinally stretched by grasping and pulling .thediaper adjacent the lateral edges 28.
  • the absorbent pad 26 is made from a relatively strongmaterial, such as cellulose wadding, then the lateral edges of the pad 26 are preferably spaced slightly from the edges of diaper 28, as shown in FIG. 3, in order that the lateral edge of the diaper may readily be grasped without grasping the lateral edges of the pad for stretching the diaper.
  • the pad 26 is made from a relatively soft material, such as wood fluff, the lateral edges of the pad may extend to the lateral edges of the diaper,since such pads may be ruptured during expansion of the diaper without affecting its absorptive capacity.
  • the longitudinal edges 30 remain a fixed length during stretching of the sheets.
  • the cover and back sheet pleats 36 and 32 unfold intermediate the longitudinal edges 30 responsive to expansion of the diaper, and the longitudinal distance between the diaper lateral edges 28 through the center of the diaper increases relative to the length of the longitudinal edges 30 after the diaperis expanded.
  • the generally planar diaper as shown in FIGS. 1,3, is transformed to an arcuate configuration, and the longitudinal diaper edges 30 bow inwardly in thecentral region of the diaper adjacent the back sheet seals 34.
  • the lateral diaper edges 28 remain of constant length during expansion of the diaper for securing the diaper about the waistline of the infant, while the distance laterally across the diaper in the central region reduces, in order that the edges 30 have a contour which generally conforms to the contour of the infants body about the legs from the crotch region to the babys waistline. Accordingly, when the expanded diaper is placed on the infant, the longitudinal diaper edges 30 form a close sealing contact with the babys body to prevent the escape of fluids. Moreover, the backsheet 24 of the expanded diaper assumes a pouch-like configuration to prevent interference of bulk in the diaper with movement of the infants legs and to provide a fluid-retention chamber for body wastes.
  • FIGS. 5 and 6 Another embodiment of the invention is illustrated in FIGS. 5 and 6, in which similar reference numerals are increased by 100 from those in FIGS. 1-4.
  • the absorbent pad 126 has an elongated shape longitudinally along the diaper.
  • the pad 126 has an enlarged central portion 160 in the crotch region of the diaper, and a pair of tapered end portions 162 which extend longitudinally from the central portion 160 toward the lateral diaper edges 128.
  • the pad 162 is secured to the back sheet 124 by means 161, such as adhesive, to prevent the pad from sliding within the cover and back sheets 122 and 124.
  • the cover and back sheets of the diaper 120 expand in a similar fashion to those in the diaper 20 of FIGS.
  • the diaper is transformed from a generally planar to arcuate configuration, with the longitudinal diaper edges 130 bowing inwardly in the central region of the diaper.
  • the elongated and tapered shape of the absorbent pad 126 additionally causes the back sheet 124 to assume a tray-like shape, such that the pad 126 is nested between longitudinally extending folds 163 in the back sheet 124.
  • the expanded back sheet 124 forms a pair of upraised side portions 164 which remain relatively closely spaced to the cover sheet 122, while the pad 126 is positioned in a central recessed portion of the back sheet which extends longitudinally in the diaper between the folds 163.
  • the pad 126 does not extend the full lateral distance of the diaper 120 between the edges 130, the folds 163 of the back sheet 124 partially overlie the pad 126, and the longitudinal diaper edges 130 are permitted to move closely together in the crotch region of the diaper. Additionally, the tray-like shape formed by the back sheet due to the shape of the pad 126 forms a convenient pouch for the collection of waste from the body.
  • FIGS. 7-11 Another embodiment of the invention is illustrated in FIGS. 7-11, and as shown in FIGS. 7-9 the diaper 220 has a fluid impervious back sheet 224 secured to a fluid impervious cover sheet 222 adjacent the lateral edges 228 of the diaper.
  • the back sheet 224 has a plurality of laterally extending pleats 232 in the central region of the diaper, and the cover sheet 222 has a laterally ex- 6 222 and 224.
  • the pad means 280 has a plurality of absorbent pads 282 which havestaggered portions 284 in the central region of the diaper.
  • the staggered portions 284 are secured together in the central region of the diaper, such as by adhesive, at a pair of laterally spaced positions 286.
  • the diaper 220 has a pair of longitudinally extending flaps 290 which partially overlie lateral portions of the cover sheet 222, and the flaps 290 are adhered to the cover sheet 222 at a pair of laterally spaced positions 292 in the central region of the diaper to retain the flaps 290 in position.
  • the flaps 290 have arcuate edges extending longitudinally between the lateral edges 228 of the diaper 220, such that the flaps are more narrow in the central region of the diaper than at the diaper lateral edges 228.
  • the arcuate shaped edges may be formed as follows. First, a lateral cut is made on each longitudinal side of the pad means adjacent the center of the diaper, with the cut on each side entending inwardly for some distance from the longitudinal edge of the pad means. Next, the sides of the pad means are overlapped at the margin of its longitudinal edges, such that a pair of flaps is folded over on each side of the pad means along fold lines extending from the inner edge of the cut to adjacent the comers of the pad means. Finally, the cover sheet 222, and then the back sheet, are folded over the fold lines in the pad means and secured in place. Accordingly, the fold lines in the pad means primarily define the arcuate shape of the flap edges 294.
  • the diaper 220 is expanded by grasping the lateral edges 228, including the edges of the cover sheet 222, the back sheet 224 and the pad means 280, and by stretching the diaper longitudinally, as indicated by the arrows in the drawing.
  • the pleats of the cover and back sheets 236 and 232 unfold, and the pad means 280 forms a bulked configuration, as described in my copending application Expandable Article, which has been previously referred to in the specification.
  • FIG. 11 when the diaper 220 is expanded the arcuate shape of the flap edges 294 is further enhanced, and the flap edges 294 flare outwardly from the central region of the diaper to the lateral diaper edges 228.
  • the flap edges 294 remain relatively closely spaced in the diaper crotch region, while they become widely spaced along the lateral diaper edges 228.
  • the flap edges 294 in the expanded diaper generally conform to the contour of the infants body to provide a close sealing contact of the diaper with the body and prevent the escape of fluids.
  • a contourable diaper comprising:
  • a fluid pervious cover sheet having at least one laterally extending pleat in the central region of the dia- P a fluid impervious back sheet secured to said cover sheet adjacent the lateral and longitudinal edges of said diaper, with said secured sheets having a generally rectangular shape, said back sheet having at least one pleat in the central region of the diaper extending laterally across the back sheet, with the pleats in the back and cover sheets being tacked adjacent the longitudinal edges of the diaper;
  • an absorbent pad positioned intermediate said cover and back sheets and extending at least throughout the crotch region of the diaper, said diaper transforming from a generally planar shape to an arcuate configuration responsive to longitudinal expansion of said sheets, with the longitudinal edges of said sheets bowing inwardly in the central region of the diaper to generally conform to the contour of an infants body.
  • an expandable diaper having an expandable back sheet, an expandable cover sheet, and expandable pad means positioned between said sheets, including a plurality of absorbent pads having staggered portions in the central region of the diaper, with said staggered portions being secured together in at least a pair of spaced positions laterally across the diaper, said diaper having a pair of longitudinal flaps adhered to said cover sheet in the central region of the diaper, the improvement in which comprises, said flaps having arcuate edges extending longitudinally along the diaper, with said flaps narrowing in the central region of the diaper, whereby said flap edges generally conform to the contour of an infants body after expansion of said diaper.
  • a longitudinally expandable diaper having an ab sorbent pad, a cover sheet, a back sheet secured to said cover sheet with said pad being positioned intermediate the cover and back sheets, and a pair of longitudinal flaps at least partially overlying and secured to said cover sheet, the improvement in which comprises, said flaps having arcuate edges extending longitudinally obtain said arcuate shaped edges in the diaper flaps.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
US00144032A 1971-05-17 1971-05-17 Edge contourable diaper Expired - Lifetime US3776233A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14403271A 1971-05-17 1971-05-17
DE2341004A DE2341004C2 (de) 1971-05-17 1973-08-14 Anformbare Windel
CH1188873A CH563734A5 (de) 1971-05-17 1973-08-17
NLAANVRAGE7312003,A NL179336C (nl) 1971-05-17 1973-08-31 Luier.
FR7334609A FR2245305B1 (de) 1971-05-17 1973-09-27

Publications (1)

Publication Number Publication Date
US3776233A true US3776233A (en) 1973-12-04

Family

ID=27509435

Family Applications (1)

Application Number Title Priority Date Filing Date
US00144032A Expired - Lifetime US3776233A (en) 1971-05-17 1971-05-17 Edge contourable diaper

Country Status (7)

Country Link
US (1) US3776233A (de)
BE (1) BE805567A (de)
CA (1) CA961203A (de)
CH (1) CH563734A5 (de)
DE (1) DE2341004C2 (de)
FR (1) FR2245305B1 (de)
NL (1) NL179336C (de)

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US3875943A (en) * 1973-09-04 1975-04-08 Colgate Palmolive Co Diaper
US3884234A (en) * 1973-10-18 1975-05-20 Colgate Palmolive Co Disposable diaper
US3885568A (en) * 1971-03-26 1975-05-27 Charles H Schaar Expandable article
US3938523A (en) * 1974-10-17 1976-02-17 Scott Paper Company Prefolded and packaged disposable diaper
FR2286610A1 (fr) * 1974-10-03 1976-04-30 Colgate Palmolive Co Couche a jeter
US3995638A (en) * 1974-10-31 1976-12-07 Colgate-Palmolive Company Diaper with retained end section
US4050462A (en) * 1976-03-29 1977-09-27 Kimberly-Clark Corporation Disposable diaper with elastically constricted crotch section
US4094319A (en) * 1976-11-01 1978-06-13 Joa Curt G Sanitary pad with multiple end folds
US4100922A (en) * 1975-07-09 1978-07-18 Colgate-Palmolive Company Disposable diaper
US4108179A (en) * 1973-09-13 1978-08-22 Colgate-Palmolive Company Disposable diaper
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US20040122401A1 (en) * 2002-12-19 2004-06-24 Van Gompel Paul T. Disposable undergarment with a detachable crotch member and method for the use thereof
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Also Published As

Publication number Publication date
NL179336B (nl) 1986-04-01
DE2341004C2 (de) 1986-08-28
DE2341004A1 (de) 1975-02-27
CH563734A5 (de) 1975-07-15
NL179336C (nl) 1986-09-01
BE805567A (fr) 1974-02-01
FR2245305A1 (de) 1975-04-25
CA961203A (en) 1975-01-21
NL7312003A (de) 1975-03-04
FR2245305B1 (de) 1978-03-17

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