US5163932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable wearing article of pants type
Assignee: Unicharm Corp
•
Filing: 1991-10-23
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Granted: 1992-11-17
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Expires: 2011-10-23
Abstract
Abstract A disposable wearing article of pants type having a front body and a rear body comprising respectively at least a liquid-permeable topsheet and a liquid-impermeable backsheet, and elastic members along a waist-hole and respective leg-holes. The front and rear bodies are attached together along their laterally opposite side edges. The longitudinally opposite ends of the respective elastic members are located on the opposite side edges of the front and rear bodies, and the opposite side edges of the front and rear bodies are intermittently attached together so as to avoid the elastic members.
Inventors
- 👤 Hironori Nomura
- 👤 Takamitsu Igaue
- 👤 Hiroyuki Tanji
- 👤 Hirofumi Ohnishi
- 👤 Tohru Sasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:02
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/496; A61F13/4963; A61F13/49007; A61F13/49009; A61F13/49011; A61F13/491; A61F13/15577; A61F2013/15821; A61F2013/15861; A61F2013/15869; A61F2013/15878; A61F2013/15886; A61F13/4902; A61F2013/49025; A61F2013/49087; A61F13/53; A61F13/539; A61F2013/53908; A61F2013/53925; B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/21; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/433; B29L; B29L2031/00; B29L2031/48; B29L2031/4871; B29L2031/4878
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
207 words
A disposable wearing article of pants type that comprises (a) an absorbent core having a topside and a bottom side, (b) a topsheet on the topside of said absorbent core, and a backsheet on the bottom side of said absorbent core, said topsheet and backsheet not only covering the entire topside and bottom side of said absorbent core, but in addition extending laterally beyond the absorbent core to form two side sections, (c) said topsheet, backsheet and absorbent core being assembled together in folded over disposition to form two leg openings, a waist opening, a front body and a rear body, said side sections extending from the top of said leg openings to said waist opening and elongated elastic members associated with both said leg openings and said waist opening, (d) said two side sections each being joined together along the entire length of said side sections by sealing means consisting of a series of alternating spaced apart adhered areas and non-adhered area, (e) said elastic members being sandwiched between said topsheet and said backsheet, the longitudinal ends of said elongated elastic members being located on the edges of said side sections, and (f) said longitudinal ends of said elastic members being located in said non-adhered areas.
Claim 2
Dependent Claim
207 words
A disposable wearing article of pants type that comprises (a) an absorbent core having a topside and a bottom side, (b) a topsheet on the topside of said absorbent core, and a backsheet on the bottom side of said absorbent core, said topsheet and backsheet not only covering the entire topside and bottom side of said absorbent core, but in addition extending laterally beyond the absorbent core to form two side sections, (c) said topsheet, backsheet and absorbent core being assembled together in folded over disposition to form two leg openings, a waist opening, a front body and a rear body, said side sections extending from the top of said leg openings to said waist opening and elongated elastic members associated with both said leg openings and said waist opening, (d) said two side sections each being joined together along the entire length of said side sections by sealing means consisting of a series of alternating spaced apart adhered areas and non-adhered area, (e) said elastic members being sandwiched between said topsheet and said backsheet, the longitudinal ends of said elongated elastic members being located on the edges of said side sections, and (f) said longitudinal ends of said elastic members being located in said non-adhered areas.
Claim 3
Dependent Claim
26 words
A wearing article as recited in claim 1, wherein said side sections are provided with grip-ears extending outwardly from the upper portions of said side sections.
Claim 4
Dependent Claim
19 words
A wearing article as recited in claim 1, wherein both said topsheet and said backsheet are elastically stretchable sheets.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-11-17 | 1996-05-18 | 1996-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-11-17 | 2000-05-18 | 2000-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-11-17 | 2004-05-18 | 2004-11-17 | $7700.00 | Window Closed / Lapsed |