Fibrous mat especially suitable for roofing products

An economical and uniform fibrous glass mat displaying improved tear strength and a wet forming process of making such a mat is disclosed herein. The mat, which is especially suitable as a carrier material in the manufacture of asphalt shingles or other such roofing products, includes a web of base...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHEPHERD, PHILIP BICKFORD, HANNES, GEORGE JOHN, DREIKORN, HANS WENDELL, ROHWEDER, THEODORE RICHARD
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING FIXED CONSTRUCTIONS GUTTERS IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS ROOF COVERINGS ROOF-WORKING TOOLS SKY-LIGHTS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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