EP0119825A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Shaped disposable diapers with shaped elastically contractible waistband and method for their manufacture
Assignee: Procter and Gamble Co
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Filing: 1984-03-14
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Granted: —
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Expires: 2004-03-14
Abstract
Abstract Disposable diapers having elasticized waistbands which are shaped to conform to the wearers' waists and methods of making them. The shaped disposable diapers are made by affixing an elastomeric material having a heat unstable state and a heat stable and elastic state to the diaper while the elastomeric material is in its heat unstable state and then heating the elastomeric material while the diaper is restrained in a folded configuration.
Inventors
- 👤 Glen R. Lash
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 23:44
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49007; A61F13/49009; A61F13/49011; A61F13/15577; A61F13/15585; A61F13/15593; A61F13/49017; A61F13/4902
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
48 words
i . A shaped disposable diaper having at least one shaped waistband, said diaper comprising an absorbent element; said waistband comprising an elongate elastomeric material having a heat unstable state and a heat stable and elastic state; said elastomeric material being in said heat stable and elastic state.
Claim 2
Dependent Claim
66 words
The shaped disposable diaper of Claim 1, said diaper comprising as additional elements a topsheet and a backsheet; said elastomeric material being affixed to at least one of said topsheet and said backsheet; said at least one of said topsheet and said backsheet being gathered by reason of being affixed to said elastomeric material; said gathers being nonuniform along the elongated dimension of said elastomeric material.
Claim 3
Dependent Claim
51 words
The shaped disposable diaper of Claim 2 wherein said elastomeric material is affixed to at least one of said topsheet and said backsheet by transverse regions of securement defining therebetween transverse regions of nonsecurement extending from the outer margin of said waistband across essentially the entire width of said elastomeric material.
Claim 4
Dependent Claim
30 words
The shaped disposable diaper of Claim 3 wherein said transverse regions of securement are selected from the group consisting of unitary zones of sealing and spaced apart zones of sealing.
Claim 5
Dependent Claim
15 words
The shaped disposable diaper of Claim 4 wherein said zones of sealing comprise ultrasonic welds.
Claim 6
Independent Claim
124 words
A method of making shaped disposable diapers comprising the steps of: (1) providing a disposable diaper having at least one waistband, said disposable diaper comprising an absorbent element, said waistband comprising an elongate elastomeric material having a heat unstable state and a heat stable and elastic state, said elastomeric material being in its heat unstable state; (2) forming said disposable diaper into a preselected configuration by providing said diaper with at least one fold, said at least one fold intersecting said elastomeric material; (3) restraining said diaper in said preselected configuration; (4) heating said elastomeric material to such an extent as to cause it to change from its heat unstable state to its heat stable and elastic state; and (5) cooling said elastomeric material.
Claim 7
Dependent Claim
33 words
The method of Claim 6 wherein said disposable diaper comprising as additional elements a topsheet and a backsheet; said elastomeric material being affixed to at least one of said topsheet and said backsheet.
Claim 8
Dependent Claim
49 words
The method of Claim 7 wherein said elastomeric material is affixed to at least one of said topsheet and said backsheet by transverse regions of securement defining therebetween transverse regions of nonsecurement extending from the outer margin of said waistband across essentially the entier width of said elastomeric material.
Claim 9
Dependent Claim
28 words
The method of Claim 8 wherein said transverse regions of securement are selected from the group consisting of unitary zones of sealing and spaced apart zones of sealing.
Claim 10
Dependent Claim
13 words
The method of Claim 9 wherein said zones of sealing comprise ultrasonic welds.
References Cited (Backward Citations)
No citation records indexed.
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