Patent US4690853A successfully refreshed from Google Patents.
US4690853A
Expired / Lapsed
US
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Absorbent structure containing a contoured batt
Assignee: Kimberly Clark Worldwide Inc
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Filing: 1986-05-19
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Granted: 1987-09-01
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Expires: 2006-05-19
Abstract
Abstract A scarfing method and apparatus are disclosed for making a longitudinally and transversely contoured batt on a moving fibrous web. The apparatus comprises a scarfing roll disposed on one side of a foraminous belt and a contouring roll, having a nonuniform surface, disposed on the opposite side of the belt. As the contouring roll is rotated, it raises the belt and the fibrous web towards the scarfing roll, according to the shape of the nonuniform surface. Hence, a contour is provided in the direction of movement of the web. The transverse contour can be provided by the shape of the scarfing roll itself.
Inventors
- 👤 Philip G. Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:37
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15617; A61F13/15642; A61F2013/15821; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24488; Y10T428/24612; Y10T428/24628; Y10T428/24653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
An absorbent structure for a disposable absorbent garment comprising: a liquid impermeable backing sheet; a liquid permeable facing sheet; and an airlaid batt having uniform density disposed between the backing and facing sheets, said batt having an integrally formed, longitudinally and transversely contoured, scarfed surface wherein said batt is thicker in the central portions than in the marginal side and end portions, respectively, thereof.
Claim 2
Dependent Claim
64 words
An absorbent structure for a disposable absorbent garment comprising: a liquid impermeable backing sheet; a liquid permeable facing sheet; and an airlaid batt having uniform density disposed between the backing and facing sheets, said batt having an integrally formed, longitudinally and transversely contoured, scarfed surface wherein said batt is thicker in the central portions than in the marginal side and end portions, respectively, thereof.
References Cited (Backward Citations)
US3682761A
Cited
US3523536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |