Stock material or miscellaneous articles – Structurally defined web or sheet – Including stitching and discrete fastener – coating or bond
Patent
1993-05-28
1994-02-22
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including stitching and discrete fastener, coating or bond
28104, 28105, 428137, 428138, 428224, 428299, B32B 306
Patent
active
052885364
ABSTRACT:
Stitchbonded fabrics are treated with columnar jets of water under specific conditions to rearrange fibers within the fabric so that holes caused by the stitches of the stitchbonding are substantially filled and the fabrics are made suitable for filter fabrics. The process requires at least the last part of the treatment to be performed on fine mesh screens with fine jets. The resultant fabrics are particularly suited for use as filter fabrics.
REFERENCES:
patent: 4704321 (1987-11-01), Zafiroglu
patent: 4773238 (1988-09-01), Zafiroglu
patent: 4863776 (1989-09-01), Sternlieb
patent: 4876128 (1989-10-01), Zafiroglu
patent: 5023130 (1991-01-01), Simpson et al.
Bell James J.
E. I. Du Pont de Nemours and Company
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