Patent EP0187728A2 successfully refreshed from Google Patents.
EP0187728A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Disposable underpants, such as child's training pants and the like
Assignee: Kimberly Clark Worldwide Inc
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Filing: 1986-01-09
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Granted: —
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Expires: 2006-01-09
Abstract
Abstract A disposable underpant comprising a front panel (11) and rear panel (12) joined together along side seams (13) to provide a three-dimensional garment having a pair of elasticized leg openings and an elasticized waist opening, and including a bodyside liner (15), outer covering (17) and absorbent batt (18) therebetween, in which the outer covering (17) has an inner layer (30) of plastic material and an outer layer (31) of nonwoven fibrous material.
Inventors
- 👤 William M. Heran
- 👤 Glen R. Fleischer
- 👤 Joyce Ann Damico
- 👤 Paul Theodore Van Gompel
- 👤 John Irvin Van Deurzen
- 👤 David Thomas Strohbeen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 01:09
CPC Classifications
A; A41; A41B; A41B13/00; A41B13/04; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/496; A61F13/4963; A41B9/00; A41B9/02; A41B9/04; A61F13/49007; A61F13/49009; A61F13/49011; A61F13/49017; A61F2013/4512; A61F2013/4518
Claims Analysis
Total Claims: 41
Claim 1
Independent Claim
156 words
A disposable underpant of the type having a liquid-pervious inner bodyside liner / and a liquid-impervious outer cover (17) that define a front panel (11) and a rear panel (13) ; and an absorbent batt ](18) between the liner and the cover, comprising, in combination: (1) side seams (13) joining together part of marginal side portions of the front and rear panels/to define a three-dimensional underpant having a pair of leg openings (14) and a waist opening; (2) first elastic means (52) extending about one leg opening, second elastic means (52) extending about the other leg opening, and third elastic means (54) extending about the waist opening; and and (3) the outer cover / consisting of an inner layer (30) of liquid-impervious plastic material and an outer layer (31) of nonwoven fibrous material, wherein: the inner layer faces (30), the absorbent batt (18), and the outer layer (31) is the exterior surface of the disposable underpant.
Claim 2
Dependent Claim
156 words
A disposable underpant of the type having a liquid-pervious inner bodyside liner / and a liquid-impervious outer cover (17) that define a front panel (11) and a rear panel (13) ; and an absorbent batt ](18) between the liner and the cover, comprising, in combination: (1) side seams (13) joining together part of marginal side portions of the front and rear panels/to define a three-dimensional underpant having a pair of leg openings (14) and a waist opening; (2) first elastic means (52) extending about one leg opening, second elastic means (52) extending about the other leg opening, and third elastic means (54) extending about the waist opening; and and (3) the outer cover / consisting of an inner layer (30) of liquid-impervious plastic material and an outer layer (31) of nonwoven fibrous material, wherein: the inner layer faces (30), the absorbent batt (18), and the outer layer (31) is the exterior surface of the disposable underpant.
Claim 3
Dependent Claim
38 words
The undergarment of Claim 1, wherein the side seams (13) comprise at least one sealed exterior seam, at least one said seam being sealed with two narrow lines/and the total seam being less than about 3/16" side. (13)
Claim 4
Dependent Claim
25 words
The underpant of Claim 1, wherein: the side seams/join together inturned contacting side edge portions of the front and rear panels arranged inside the underpant.
Claim 5
Dependent Claim
67 words
The underpant of Claim 3, wherein: the side seams (13) comprise a bond portion (25) in the range of 1/16" to 1/8" wide between the inturned side edge portions and a flap portion in the range of 1/8" to 3/8" wide between the bond portion (25) and the free ends/of the inturned side edge portions along which the inturned side edge portions are free of one another.
Claim 6
Dependent Claim
23 words
The underpant of Claim 1, wherein: the side seams join together overlapped contacting side edge portions of the front and rear panels (11,12),
Claim 7
Dependent Claim
23 words
The underpant of Claim 1, 2, 3, 4 or 5, wherein: the side seams/include manually tearaway bonds between the front and rear panels.
Claim 8
Dependent Claim
16 words
The garment of Claim 1 wherein said seams (13) are sealed across the waist elastic (53).
Claim 9
Dependent Claim
11 words
The garment of Claim I wherein said sealing is ultrasonic. (13)
Claim 10
Dependent Claim
23 words
The garment of Claim 1 wherein said seam (13) is about 1/8" wide and bonded on about 50% of said total slam area.
Claim 11
Dependent Claim
18 words
The garment of Claim 1 wherein said seam/is also at an elastic leg (52) and elastic waist (53).
Claim 12
Dependent Claim
21 words
The garment of Claim 1 wherein said at least one seam comprises an ultrasonically-sealed seam at each side of said garment.
Claim 13
Dependent Claim
14 words
The method of Claim 1 wherein said seam comprises four narrow sealing lines (92,94,etc).
Claim 14
Dependent Claim
26 words
The method of Claim 1 wherein said sealing is by an ultrasonic anvil of 1/8" width applying about 400 to 600 psi pressure to said garment.
Claim 15
Dependent Claim
28 words
The method of Claim 13 wherein said anvil has a surface of 4 parallel lands (94) about 0.45 mm wide separated by valleys (92) about 0.35 mm wide.
Claim 16
Dependent Claim
19 words
The method of claim 1 wherein said seam (13) is about 1/8" wide and comprises four sealing lines (92,94,etc)
Claim 17
Dependent Claim
10 words
The method of Claim 1 wherein said lines are discontinuous.
Claim 18
Dependent Claim
14 words
The method of Claim 1 wherein said at least two lines comprise four lines.
Claim 19
Dependent Claim
34 words
The underpant of Claim 1, 2, 3, 4 or 5, wherein: the inner layer/of the outer covert (17) is a layer of thermoplastic material extrusion coated into the outer layer of the outer cover.
Claim 20
Dependent Claim
28 words
The undergarment of Claim 18 wherein said absorbent batt/is (18) formed having a front portion, a rear portion, and a crotch portion corresponding to said outside cover fabric.
Claim 21
Dependent Claim
24 words
The undergarment of Claim 18 wherein the traverse measurement of the crotch portion of said absorbent batt (18) is less than about three inches.
Claim 22
Dependent Claim
34 words
The undergarment of Claim 18 wherein the traverse width of the absorbent material (18) in the crotch portion is 1/4 of the sum of the widest traverse measurements of the front and back portions.
Claim 23
Dependent Claim
120 words
An undergarment useful for toilet training children or incontinent children or adults comprising nonwoven fabric cover having: a) a front portion (11), a rear portion (12) and a crotch portion connecting said front and rear portions, both side margins of said front portion being joined to respective side margins of said rear portion so as to define a three-dimensional undergarment having a pair of leg openings (14) and a waist opening (15) b) a liquid pervious inner liner (16); and c) an absorbent batt/between said liner and said fabric cover, a first elastic means (52) extending about one leg opening, a second elastic means/extending about the other leg opening, and a third elastic means (53) extending about the waist opening.
Claim 24
Dependent Claim
120 words
An undergarment useful for toilet training children or incontinent children or adults comprising nonwoven fabric cover having: a) a front portion (11), a rear portion (12) and a crotch portion connecting said front and rear portions, both side margins of said front portion being joined to respective side margins of said rear portion so as to define a three-dimensional undergarment having a pair of leg openings (14) and a waist opening (15) b) a liquid pervious inner liner (16); and c) an absorbent batt/between said liner and said fabric cover, a first elastic means (52) extending about one leg opening, a second elastic means/extending about the other leg opening, and a third elastic means (53) extending about the waist opening.
Claim 25
Dependent Claim
37 words
The undergarment of Claim 22 wherein the thickness of the absorbent batt (18) in the crotch portion is from about 1.5 to about 5 times the thickness of the absorbent batt in said front and rear portions.
Claim 26
Dependent Claim
30 words
The undergarment of Claim 22 wherein the thickness of the batt in the crotch portion (18) is about twice the thickness of the batt in said front and rear portions.
Claim 27
Dependent Claim
17 words
The undergarment of Claim 22 wherein the absorbent batt (18) is outwardly bulging in said crotch portion.
Claim 28
Dependent Claim
16 words
The undergarment of Claim 18 wherein said absorbent batt (18) is attached to said fabric cover.
Claim 29
Dependent Claim
11 words
The undergarment of Claim 22 wherein said absorbent batt/comprises a superabsorbent.
Claim 30
Dependent Claim
19 words
The undergarment of Claim 25 wherein said superabsorbent is confined to a pre-determined region with said absorbent batt (18).
Claim 31
Dependent Claim
24 words
The undergarment of Claim 26 wherein said superabsorbent is disposed in the layer region of said batt (18) immediately adjacent to said fabric cover.
Claim 32
Dependent Claim
43 words
The disposable undergarment of Claim 18 wherein said first and second elastic means (59) comprises at least two elastic members/wherein the tension on the member closest to said absorbent batt is greater than the tension on the member furthest from said absorbent batt.
Claim 33
Dependent Claim
26 words
The undergarment of Claim 30 wherein the ratio of the tension on said closest member/to said furthest member (76) is from about 4:3 to about 3:2.
Claim 34
Dependent Claim
24 words
The undergarment of Claim 18 wherein the tension on said first and second elastic means (52) ranges from about 165 to about 220 grams.
Claim 35
Dependent Claim
22 words
The undergarment of Claim 32 wherein the tension on said first and second elastic meansiranges from about 180 to about 200 grams.
Claim 36
Dependent Claim
20 words
The undergarment of Claim 18 wherein the tension on the third elastic means rangesifrom about 330 to about 450 grams.
Claim 37
Dependent Claim
22 words
The undergarment of Claim 34 wherein the tension on said third elastic means (53) anges from about 360 to about 380 grams.
Claim 38
Dependent Claim
13 words
The undergarment of Claim 18 wherein said fabric cover comprises a non-stretchable material.
Claim 39
Dependent Claim
32 words
The undergarment of Claim 18 wherein said absorbent batt/is substantially absent from the front and rear panels (258,260) traversely extending beyond a longitudinal line/extending from outside traverse edges of said crotch portion.
Claim 40
Dependent Claim
13 words
The undergarment of Claim 18 wherein said fabric cover (17) comprises stretchable material.
Claim 41
Dependent Claim
30 words
The undergarment of Claim 18 wherein said absorbent (18) batt comprises a material having a dry tensile strength ranging from about 250 ergs/cm 2 to about 550 ergs/cm 2 .
References Cited (Backward Citations)
No citation records indexed.
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