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:
Jul. 21, 1987

Filed:

Nov. 03, 1986
Applicant:
Inventors:

Frederick A Gill, Littleton, CO (US);

Mario P Tocci, Littleton, CO (US);

Assignee:

Manville Service Corporation, Denver, CO (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; D04H / ;
U.S. Cl.
CPC ...
428215 ; 1563077 ; 428216 ; 428219 ; 428220 ; 428286 ; 428290 ; 4283115 ; 4283166 ; 4283175 ; 4283177 ; 4283179 ; 428337 ; 428338 ; 428339 ; 428422 ; 428448 ; 428903 ; 428913 ;
Abstract

An economical and versatile fibrous glass mat displaying improved resistance to wetting or strike-through by various curable materials when said materials are placed on one surface of said mat while in liquid state is disclosed. This mat, which is especially suited as a carrier, substrate or facer for such curable substances, comprises a blend of fibers. This blend of fibers includes a majority of base fibers having a mean diameter in the range of ten (10) microns with a minor amount of microfibers. The binder formulation, which when cured holds the blend of fibers together to form a self-supporting mat, includes conventional binder resins with a minor amount of wet proofing resinous materials. Preferably, the resulting mat has a porosity of no greater than two-hundred and twenty-five (225) cubic feet per minute per square foot of mat in accordance with the Frazier Air Permeability Test. Also, claimed is a laminate comprising this novel mat and a vinyl plastisol coating or a coating of a foam insulation material such as a polyurethane or polyisocyanurate foam.


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