US3731689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable diaper having an integral container and means for application
Assignee: Kendall Co
•
Filing: 1971-02-01
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Granted: 1973-05-08
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Expires: 1991-02-01
Abstract
Abstract An improved self-containable disposable diaper wherein a portion of the disposal pouch is slit so as to form integral, oppositely extending wings, the wings preferably having means thereon for completing the attachment of the diaper to an infant. A method is provided for forming the improved diaper featuring folding, slitting and refolding the portion thereof which is to define the pouch and wings.
Inventors
- 👤 C Schaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:49
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/551; A61F13/53; A61F2013/530131; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T83/00; Y10T83/04; Y10T83/0596
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
178 words
In a diSposable diaper having a fluid absorbent body and pouch integrate therewith, said fluid absorbent body having a front side and a back side, said back side having a fluid impervious surface and said pouch having a wall portion thereof common with said impervious surface in at least one waist region of the diaper and in at least a portion of the remaining region of the diaper, the remainder of the pouch wall comprising a supple, fluid impervious sheet attached to said body whereby said impervious surface and said sheet form opposing wall portions of said pouch, the improvement comprising slits in said sheet corresponding generally to a T configuration with the vertical leg of the T extending from the top edge of said sheet at the waist region of the diaper to a point downwardly therefrom in the waist region and the crossarm of the T intersecting said point and extending across at least part of the width of said wall portion which is common with said impervious surface, said slits defining a pair of wings.
Claim 2
Dependent Claim
178 words
In a diSposable diaper having a fluid absorbent body and pouch integrate therewith, said fluid absorbent body having a front side and a back side, said back side having a fluid impervious surface and said pouch having a wall portion thereof common with said impervious surface in at least one waist region of the diaper and in at least a portion of the remaining region of the diaper, the remainder of the pouch wall comprising a supple, fluid impervious sheet attached to said body whereby said impervious surface and said sheet form opposing wall portions of said pouch, the improvement comprising slits in said sheet corresponding generally to a T configuration with the vertical leg of the T extending from the top edge of said sheet at the waist region of the diaper to a point downwardly therefrom in the waist region and the crossarm of the T intersecting said point and extending across at least part of the width of said wall portion which is common with said impervious surface, said slits defining a pair of wings.
Claim 3
Dependent Claim
29 words
The disposable diaper as claimed in claim 1 wherein the crossarm of the T extends the whole width of said wall portion which is common with said impervious surface.
Claim 4
Dependent Claim
22 words
The disposable diaper as claimed in claim 2 wherein said vertical leg forms an angle of less than 90* with said crossarm.
Claim 5
Dependent Claim
14 words
The disposable diaper as claimed in claim 3 wherein said angle is about 77*.
Claim 6
Dependent Claim
27 words
The disposable diaper as claimed in claim 2, and further including means for attaching said wings to a portion of the diaper in the waist region thereof.
Claim 7
Dependent Claim
17 words
The disposable diaper as claimed in claim 5 wherein said attachment means comprise pressure sensitive adhesive tabs.
Claim 8
Dependent Claim
27 words
The disposable diaper as claimed in claim 2 wherein said impervious surface and said sheet comprise a collapsible tube of thermoplastic material sealed at one end thereof.
Claim 9
Dependent Claim
25 words
The disposable diaper as claimed in claim 2, further comprising a fluid pervious cover sheet contiguous to the front side of said fluid absorbent body.
References Cited (Backward Citations)
CH271357A
Cited
US2685879A
Cited
US3369545A
Cited
US3554195A
Cited
US3563242A
Cited
US3578155A
Cited
US3585999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |