Patent US4994144A successfully refreshed from Google Patents.
US4994144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for increasing the bulk of creped tissue
Assignee: Kimberly Clark Worldwide Inc
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Filing: 1989-11-13
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Granted: 1991-02-19
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Expires: 2009-11-13
Abstract
Abstract The bulk of creped tissue products, such as facial and bath tissue, can be increased by steaming the tissue while stressed in the machine direction of the tissue.
Inventors
- 👤 Michael J. Smith
- 👤 Fung-Jou Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:24
CPC Classifications
D; D21; D21F; D21F11/00; D21H; D21H25/00; D21H25/005; A; A61; A61F; A61F13/00; A61F13/00987; A61F13/00991; D21F5/00; D21F5/18
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
34 words
A method of making a tissue product comprising contacting a dried creped tissue web with steam while the web is under tension in the machine direction, wherein the bulk of the web is increased.
Claim 2
Independent Claim
34 words
A method of making a tissue product comprising contacting a dried creped tissue web with steam while the web is under tension in the machine direction, wherein the bulk of the web is increased.
Claim 3
Dependent Claim
22 words
The method of claim 1 wherein the amount of tension is from about 1 to about 100 grams per inch of width.
Claim 4
Dependent Claim
22 words
The method of claim 1 wherein the amount of tension is from about 1 to about 15 grams per inch of width.
Claim 5
Dependent Claim
11 words
The method of claim 1 wherein the steam is subcooled steam.
Claim 6
Dependent Claim
11 words
The method of claim 1 wherein the steam is saturated steam.
Claim 7
Dependent Claim
11 words
The method of claim 1 wherein the steam is superheated steam.
Claim 8
Dependent Claim
13 words
The method of claim 1 wherein the tissue product is a two-ply tissue.
Claim 9
Dependent Claim
13 words
The method of claim 1 wherein the tissue product is a single-ply tissue.
Claim 10
Dependent Claim
83 words
A continuous method for making a tissue product in which a tissue web is formed from an aqueous slurry of paper making fibers, dried, creped, and wound onto a roll, said method further comprising contacting the creped tissue web with steam while the creped web is under tension in the machine direction and allowing the steamed web to dry prior to being wound onto said roll, wherein the bulk of the creped web is increased relative to the same web prior to steaming.
Claim 11
Dependent Claim
83 words
A continuous method for making a tissue product in which a tissue web is formed from an aqueous slurry of paper making fibers, dried, creped, and wound onto a roll, said method further comprising contacting the creped tissue web with steam while the creped web is under tension in the machine direction and allowing the steamed web to dry prior to being wound onto said roll, wherein the bulk of the creped web is increased relative to the same web prior to steaming.
Claim 12
Dependent Claim
22 words
The method of claim 9 wherein the amount of tension is from about 1 to about 100 grams per inch of width.
Claim 13
Dependent Claim
22 words
The method of claim 9 wherein the amount of tension is from about 1 to about 15 grams per inch of width.
Claim 14
Dependent Claim
11 words
The method of claim 9 wherein the steam is subcooled steam.
Claim 15
Dependent Claim
11 words
The method of claim 9 wherein the steam is saturated steam.
Claim 16
Dependent Claim
11 words
The method of claim 9 wherein the steam is superheated steam.
Claim 17
Dependent Claim
13 words
The method of claim 9 wherein the tissue product is a two-ply tissue.
Claim 18
Dependent Claim
13 words
The method of claim 9 wherein the tissue product is a single-ply tissue.
References Cited (Backward Citations)
GB775300A
Cited
US3097994A
Cited
US3291678A
Cited
USRE28459E
Cited
US3615976A
Cited
US3925127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-02-18 | 1994-08-20 | 1995-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-18 | 1998-08-20 | 1999-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-18 | 2002-08-20 | 2003-02-19 | $7700.00 | Window Closed / Lapsed |