Patent US4356844A successfully refreshed from Google Patents.
US4356844A
Expired / Lapsed
US
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Papermaker's forming fabric
Assignee: Weavexx LLC
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Filing: 1980-02-11
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Granted: 1982-11-02
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Expires: 2000-02-11
Abstract
Abstract An improved papermaker's fabric comprising warp and filling yarns woven in a preselected conventional unbalanced weave pattern modified such that every other warp yarn occupies a position with respect to the filling yarns opposite to that which it would normally occupy according to the above mentioned preselected conventional unbalanced weave pattern.
Inventors
- 👤 Charles E. Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:23
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; D21F1/0036; Y; Y10; Y10S; Y10S162/00; Y10S162/903
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
145 words
A papermaker's monoplanar fabric comprising interwoven warp and filling yarn systems, alternate warp yarns of said warp yarn system being woven in a preselected conventional unbalanced pepermaker's weave pattern chosen from the class consisting of a 1/2 twill, a 2/1 twill, a 1/4 twill, a 4/1 twill, a 2/3 twill, a 3/2 twill, a 1/5 twill, a 5/1 twill, a 1/4 sateen and a 4/1 sateen, the remaining warp yarns of said warp yarn system bing inverted so as to occupy positions with respect to said filling yarns opposite to those positions which they would occupy according to said preselected conventional unbalanced papermaker's weave pattern so that each fill yarn has an equal number of warp yarns passing thereover and thereunder, whereby the forces within said fabric are balanced reducing the tendency of edge curl and said fabric is provided with an improved support surface.
Claim 2
Dependent Claim
145 words
A papermaker's monoplanar fabric comprising interwoven warp and filling yarn systems, alternate warp yarns of said warp yarn system being woven in a preselected conventional unbalanced pepermaker's weave pattern chosen from the class consisting of a 1/2 twill, a 2/1 twill, a 1/4 twill, a 4/1 twill, a 2/3 twill, a 3/2 twill, a 1/5 twill, a 5/1 twill, a 1/4 sateen and a 4/1 sateen, the remaining warp yarns of said warp yarn system bing inverted so as to occupy positions with respect to said filling yarns opposite to those positions which they would occupy according to said preselected conventional unbalanced papermaker's weave pattern so that each fill yarn has an equal number of warp yarns passing thereover and thereunder, whereby the forces within said fabric are balanced reducing the tendency of edge curl and said fabric is provided with an improved support surface.
Claim 3
Dependent Claim
42 words
The structure claimed in claim 1 wherein said papermaker's fabric comprises an endless belt for use in a section of a papermaking machine chosen from the class consisting of the forming section, the transfer section, the press section and the dryer section.
Claim 4
Dependent Claim
14 words
The structure claimed in claim 1 wherein said papermaker's fabric is a forming fabric.
References Cited (Backward Citations)
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GB1292860A
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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) | 1985-11-01 | 1986-05-03 | 1986-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-01 | 1990-05-03 | 1990-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-01 | 1994-05-03 | 1994-11-02 | $7700.00 | Window Closed / Lapsed |