Reinforced membranes for roofing and other applications

Details Reinforced membranes for roofing and other applications Reinforced membranes for roofing and other applications

2005-03-08

2005-03-08

Ruddock, Ula (Department: 1771)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Scrim

Woven scrim

C442S038000, C442S041000, C442S049000

Reexamination Certificate

active

06864194

ABSTRACT:
A reinforced membrane, particularly well suited for use as a membrane in a single ply roofing membrane system, includes first and second thermoplastic olefin (“TPO”) sheets and a polypropylene reinforcing mesh or scrim intermediate the first and second thermoplastic olefin sheets and bonded to the first and second thermoplastic olefin sheets.

REFERENCES:
patent: 4589804 (1986-05-01), Paeglis et al.
patent: 5891541 (1999-04-01), Wynne

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