US Patent No: 4,917,682
Number of patents in Portfolio can not be more than 2000
Leak resistant elastic waist diaper
Stats
-
Apr 17, 1990
Issued date -
Nov 9, 1987
filing date -
07/118,831
serial no -
Expired
status
Importance
Loading Importance Indicators...
Abstract
The present invention is a disposable diaper having an insert piece located transversely across at least one of the waist contacting ends of the diaper between the backing and the cover sheets. This piece overlies the filler pad between the pad and skin contacting cover sheet and serves to prevent liquid leakage from the pad in the waist zones. The insert pieces are made from a heat shrinkable elastomeric material of the type that is heat unstable and relatively inelastic in its unshrunk form and stable and relatively elastic in its heat shrunk. The ends of the insert pieces adjacent the waist margins are heat shrunk to provide an elasticized waist on the diaper which further serves to prevent leakage in this area.
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
|
|
|||
| 4,381,781 Flexible waist diaper | 148 | 1981 | |
| 4,486,192 Conformable garments with discrete elasticized areas | 82 | 1981 | |
| 4,437,860 Disposable diaper with elasticized leg openings | 30 | 1981 | |
| 4,582,550 Method of making an elasticized garment | 24 | 1985 | |
|
|
|||
| 4,333,782 Method of making laminated structures having gathered and ungathered marginal portions | 74 | 1980 | |
| 4,352,355 Diaper with contoured panel and contoured elastic means | 62 | 1980 | |
| 4,413,623 Laminated structures having gathered and ungathered marginal portions and method of manufacturing the same | 61 | 1981 | |
|
|
|||
| 4,253,461 Absorbent brief | 88 | 1979 | |
| 4,515,595 Disposable diapers with elastically contractible waistbands | 230 | 1982 | |
| 4,563,185 Disposable diaper having elasticized waistband with non-linear severed edge | 41 | 1985 | |
|
|
|||
| 4,337,771 Conformable disposable diaper having reinforced portions | 75 | 1979 | |
| 4,726,807 Diaper with elastic margins | 41 | 1986 | |
|
|
|||
| 4,205,679 Disposable undergarment | 297 | 1978 | |
| 4,324,245 Comformable disposable diapers having absorbent panel with bulged side members | 87 | 1979 | |
|
|
|||
| 4,430,086 Disposable diaper with improved body conformity and liquid retention | 78 | 1979 | |
|
|
|||
| 4,405,397 Process for manufacturing elastic leg disposable diapers | 36 | 1980 | |