The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1992
Filed:
Oct. 10, 1989
Applicant:
Inventors:
Frederick A Gill, Littleton, CO (US);
Paul R Van Gunten, Waterville, OH (US);
Glenda B Bennett, Whitehouse, OH (US);
Paul R Swartz, Perrysburg, OH (US);
Stephen Z Bodnar, Whitehouse, OH (US);
Assignee:
Manville Corporation, Denver, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428284 ; 428225 ; 428226 ; 428288 ; 428297 ; 156 622 ; 156295 ; 156296 ; 162109 ; 162116 ; 162141 ; 162129 ; 162130 ; 162131 ; 162132 ;
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.