Non-woven fibrous glass mat and a method and apparatus for effic

Details Non-woven fibrous glass mat and a method and apparatus for effic Non-woven fibrous glass mat and a method and apparatus for effic

1989-10-10

1992-10-27

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428225, 428226, 428288, 428297, 156 622, 156295, 156296, 162109, 162116, 162141, 162129, 162130, 162131, 162132, B32B 300, B32B 500

Patent

active

051588242

ABSTRACT:
A non-woven fibrous mat of generally random fiber orientation with built up lines or strips of fiber formed therein directionally oriented to enhance the strength and/or appearance of a mat and a method and apparatus for efficiently producing the same by differentially controlling dewatering in a wet mat process.

REFERENCES:
patent: 4070235 (1978-01-01), Marshall
patent: 4647492 (1987-03-01), Grant et al.
patent: 4937032 (1990-06-01), Krone et al.

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