Patent US4995429A successfully refreshed from Google Patents.
US4995429A
Expired / Lapsed
US
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Paper machine fabric
Assignee: Albany International Corp
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Filing: 1986-02-05
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Granted: 1991-02-26
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Expires: 2006-02-05
Abstract
Abstract A multilayer papermaking machine fabric is disclosed, characterized in part by alignment vertically of yarns in each layer.
Inventors
- 👤 Robert H. Kositzke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:37
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; D21F1/0036; D03; D03D; D03D1/00; D03D1/0094; D03D15/00; D03D15/20; D03D15/283; D03D3/00; D03D3/04; D10; D10B; D10B2321/00; D10B2321/02; D10B2331/00; D10B2331/02; D10B2331/021; D10B2331/04; Y; Y10; Y10S; Y10S162/00; Y10S162/903
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
161 words
A papermaking machine fabric, which comprises: an upper layer of interwoven first machine direction and first cross-machine direction yarns, said first yarns being of a synthetic, polymeric resin; a lower layer of interwoven second machine direction and second cross-machine direction yarns, said second yarns being of a synthetic, polymeric resin; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; and/or the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and one of cross-machine direction binder yarns interwoven with the machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers : said dryer fabric having a projected open area of at last about 30-55% of the total area of the fabric.
Claim 2
Dependent Claim
161 words
A papermaking machine fabric, which comprises: an upper layer of interwoven first machine direction and first cross-machine direction yarns, said first yarns being of a synthetic, polymeric resin; a lower layer of interwoven second machine direction and second cross-machine direction yarns, said second yarns being of a synthetic, polymeric resin; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; and/or the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and one of cross-machine direction binder yarns interwoven with the machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers : said dryer fabric having a projected open area of at last about 30-55% of the total area of the fabric.
Claim 3
Dependent Claim
15 words
The fabric of claim 1 wherein the cross-machine direction and machine direction yarns are monofilaments.
Claim 4
Dependent Claim
211 words
A papermaking machine fabric, which comprises: a plurality of cross-machine direction yarns disposed in a plurality of separate layers, each layer being on a plane parallel to the cross-machine direction plane of the fabric; a plurality of machine direction yarns interwoven with the cross-machine direction yarns and binding the layers of cross-machine direction yarns together to form a multi-layer textile fabric; the cross-machine direction and machine direction yarns being synthetic monofilaments and the cross-machine direction yarns in a given layer being separated from adjacent cross-machine direction yarns in the adjacent layer by void spaces within the body of the woven fabric; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and cross-machine direction binder yarns interwoven with the machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers; said dryer fabric having a projected open area of at least about 30 to 55 percent of the total area of the fabric.
Claim 5
Dependent Claim
211 words
A papermaking machine fabric, which comprises: a plurality of cross-machine direction yarns disposed in a plurality of separate layers, each layer being on a plane parallel to the cross-machine direction plane of the fabric; a plurality of machine direction yarns interwoven with the cross-machine direction yarns and binding the layers of cross-machine direction yarns together to form a multi-layer textile fabric; the cross-machine direction and machine direction yarns being synthetic monofilaments and the cross-machine direction yarns in a given layer being separated from adjacent cross-machine direction yarns in the adjacent layer by void spaces within the body of the woven fabric; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and cross-machine direction binder yarns interwoven with the machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers; said dryer fabric having a projected open area of at least about 30 to 55 percent of the total area of the fabric.
Claim 6
Dependent Claim
43 words
The fabric of claim 3 which further comprises: a plurality of stuffer yarns running substantially parallel to the cross-machine direction yarns, between layers of cross-machine direction yarns and partially filling a portion of the void spaces between the layers of cross-machine direction yarns.
Claim 7
Dependent Claim
160 words
A papermaking machine fabric, which comprises: an upper layer of interwoven first machine direction and first cross-machine direction yarns, said first yarns being of a synthetic, polymeric resin; a lower layer of interwoven second machine direction and second cross-machine direction yarns, said second yarns being of a synthetic, polymeric resin; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; and/or the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and one of machine direction binder yarns interwoven with the cross-machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers: said dryer fabric having a projected open area of at least about 30-55% of the total area of the fabric.
Claim 8
Dependent Claim
160 words
A papermaking machine fabric, which comprises: an upper layer of interwoven first machine direction and first cross-machine direction yarns, said first yarns being of a synthetic, polymeric resin; a lower layer of interwoven second machine direction and second cross-machine direction yarns, said second yarns being of a synthetic, polymeric resin; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; and/or the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and one of machine direction binder yarns interwoven with the cross-machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers: said dryer fabric having a projected open area of at least about 30-55% of the total area of the fabric.
Claim 9
Dependent Claim
15 words
The fabric of claim 5 wherein the cross-machine direction and machine direction yarns are monofilaments.
Claim 10
Dependent Claim
211 words
A papermaking machine fabric, which comprises: a plurality of cross-machine direction yarns disposed in a plurality of separate layers, each layer being on a plane parallel to the cross-machine direction plane of the fabric; a plurality of machine direction yarns interwoven with the cross-machine direction yarns and binding the layers of cross-machine direction yarns together to form a multi-layer textile fabric; the cross-machine direction and machine direction yarns being synthetic monofilaments and the cross-machine direction yarns in a given layer being separated from adjacent cross-machine direction yarns in the adjacent layer by void spaces within the body of the woven fabric; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and machine direction binder yarns interwoven with the cross-machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers; said dryer fabric having a projected open area of at least about 30 to 55 percent of the total area of the fabric.
Claim 11
Dependent Claim
211 words
A papermaking machine fabric, which comprises: a plurality of cross-machine direction yarns disposed in a plurality of separate layers, each layer being on a plane parallel to the cross-machine direction plane of the fabric; a plurality of machine direction yarns interwoven with the cross-machine direction yarns and binding the layers of cross-machine direction yarns together to form a multi-layer textile fabric; the cross-machine direction and machine direction yarns being synthetic monofilaments and the cross-machine direction yarns in a given layer being separated from adjacent cross-machine direction yarns in the adjacent layer by void spaces within the body of the woven fabric; the first machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second machine direction yarns of the lower layer; the first cross-machine direction yarns of the upper layer being in vertical alignment with the corresponding underlying second cross-machine direction yarns of the lower layer; and machine direction binder yarns interwoven with the cross-machine direction yarns in the upper and the lower layers at positions between the vertically aligned first and second machine direction yarns of the upper and the lower layers; said dryer fabric having a projected open area of at least about 30 to 55 percent of the total area of the fabric.
Claim 12
Dependent Claim
43 words
The fabric of claim 7 which further comprises: a plurality of stuffer yarns running substantially parallel to the cross-machine direction yarns, between layers of cross-machine direction yarns and partially filling a portion of the void spaces between the layers of cross-machine direction yarns.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1994-02-25 | 1994-08-27 | 1995-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-25 | 1998-08-27 | 1999-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-25 | 2002-08-27 | 2003-02-26 | $7700.00 | Window Closed / Lapsed |