초록 ▼

A fiberglass mat having high tear resistance which comprises a base or sheet made of chopped glass fibers, bonded together by a bonding agent. Randomly oriented, substantially continuous fiberglass strands may be embedded and bonded in the base, the strands being separated by layers of base material

A fiberglass mat having high tear resistance which comprises a base or sheet made of chopped glass fibers, bonded together by a bonding agent. Randomly oriented, substantially continuous fiberglass strands may be embedded and bonded in the base, the strands being separated by layers of base material. The mat may also have one or more separate layers of longitudinal substantially continuous fiberglass strands, which may generally either be straight or sinusoidal, bonded into the base material.

대표청구항 ▼

A fiberglass mat comprising a base formed by a wet process and having dispersed glass fibers bonded together by a bonding agent, said base having a top surface and a bottom surface, at least one distinct and separated layer of randomly oriented fiberglass strands within said base and located within

A fiberglass mat comprising a base formed by a wet process and having dispersed glass fibers bonded together by a bonding agent, said base having a top surface and a bottom surface, at least one distinct and separated layer of randomly oriented fiberglass strands within said base and located within a predetermined first plane intermediate said top surface and said bottom surface, and at least one distinct and separated layer of substantially longitudinally oriented fiberglass strands within said base and located within a predetermined second plane intermediate said top surface and said bottom surface, said first and second planes being substantially parallel to one another and separated by glass fibers and bonding agent in said base.