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.

Date of Patent:
May. 06, 1980

Filed:

Jun. 29, 1977
Applicant:
Inventor:

Richard F Shannon, Lancaster, OH (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
138141 ; 65 / ; 138140 ; 138D / ; 156 622 ; 156 628 ; 428 36 ; 428297 ; 428302 ; 428288 ; 428317 ; 264113 ;
Abstract

The disclosure embraces a fibrous product comprising amorphous glass fibers and crystallizable mineral fibers wherein the mineral fibers may be formed of fusible rock, slag, basalt rock or fibers formed of blends or mixtures of these materials or crystallizable ceramic fibers and to a method and apparatus for forming or processing blends, composites or laminations of such fibers to produce several composite fibrous end products having various uses such as fire rated acoustical tile and ceiling board, high temperature block and pipe insulations, roofing insulation, form board, fire rated cores for walls and doors, fire rated hardboard and building, pouring and blowing wool insulation.


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