US4001472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven reinforced cellulosic material and method of preparation
Assignee: Kimberly Clark Corp
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Filing: 1974-02-25
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Granted: 1977-01-04
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Expires: 1994-02-25
Abstract
Abstract In a process for forming a nonwoven reinforced cellulosic material, for use in applications such as wipes and disposable clothing, which comprises applying adhesive to a ply of nonwoven scrim, bringing at least one cellulosic ply into contact with the scrim to form a substantially unbonded laminate, the improvement comprising applying pressure to discrete regions of said substantially unbonded laminate while said adhesive is in an activated condition. The application of pressure to discrete regions achieves ply attachment at only intermittent points on the scrim and can also serve to provide an embossed laminate texture. The product so formed is strong and has desirable absorbency, texture, bulk, hand and limpness.
Inventors
- 👤 Gordon D. Thomas
- 👤 Jerome L. Schwoerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:25
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B5/02; B32B7/00; B32B7/04; B32B7/12; B32B7/14; D; D04; D04H; D04H5/00; D04H5/04; B32B2305/00; B32B2305/08; B32B2309/00; B32B2309/12; B32B2432/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/24727; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
126 words
A soft, limp nonwoven scrim reinforced cellulosic product comprising a cellulosic layer adjacent to and in laminar relationship with a scrim material having crossed sets of threads with open windows therebetween, said cellulosic layer having a pattern of spaced compressed regions disposed adjacent to and extending across both scrim threads and windows with ply attachment between said scrim and cellulosic material being effected by adhesive at only intermittent points on the surface of said scrim material disposed adjacent compressed regions of the cellulosic layer, said cellulosic layer between said compressed regions being in its uncompressed state to provide fluid transmitting channels adjacent to and extending across both the scrim threads and windows, and to provide bulk, an embossed surface texture, and enhanced absorbency hand and limpness.
Claim 2
Dependent Claim
126 words
A soft, limp nonwoven scrim reinforced cellulosic product comprising a cellulosic layer adjacent to and in laminar relationship with a scrim material having crossed sets of threads with open windows therebetween, said cellulosic layer having a pattern of spaced compressed regions disposed adjacent to and extending across both scrim threads and windows with ply attachment between said scrim and cellulosic material being effected by adhesive at only intermittent points on the surface of said scrim material disposed adjacent compressed regions of the cellulosic layer, said cellulosic layer between said compressed regions being in its uncompressed state to provide fluid transmitting channels adjacent to and extending across both the scrim threads and windows, and to provide bulk, an embossed surface texture, and enhanced absorbency hand and limpness.
Claim 3
Dependent Claim
17 words
The soft, nonwoven scrim reinforced cellulosic product of claim 1 wherein the cellulosic layer is cellulosic wadding.
Claim 4
Dependent Claim
27 words
The soft, nonwoven scrim reinforced cellulosic product of claim 2 wherein at least one ply of cellulosic wadding is disposed on either side of the scrim material.
Claim 5
Dependent Claim
24 words
The soft, nonwoven scrim reinforced cellulosic product of claim 1 wherein the scrim is heat set in a non-planar position to provide product yieldability.
Claim 6
Dependent Claim
17 words
The soft, nonwoven scrim reinforced cellulosic product of claim 4 wherein the cellulosic layer is cellulosic wadding.
Claim 7
Dependent Claim
27 words
The soft, nonwoven scrim reinforced cellulosic product of claim 5 wherein at least one ply of cellulosic wadding is disposed on either side of the scrim material.
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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) | 1980-01-04 | 1980-07-05 | 1981-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-04 | 1984-07-05 | 1985-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-04 | 1988-07-05 | 1989-01-04 | $7700.00 | Window Closed / Lapsed |