Stock material or miscellaneous articles – Structurally defined web or sheet – Physical dimension specified
Patent
1982-09-28
1984-01-10
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Physical dimension specified
428247, 428284, 4283066, 4283099, 4283144, 4283166, 428443, B32B 704, B32B 306
Patent
active
044253966
ABSTRACT:
The panel (10) has a rigid foam layer (12) of synthetic organic polymeric foam, a protective weathering layer (14) of thermoplastic sheet material and a generally flexible backer layer (16) of stereoreticulate material interposed between the foam and weathering layers. Interstices (30) of the backer layer (16) adjacent the foam layer (12) are filled with the resin of the foam layer (12) providing a physical bond and a protective substrate (32) for the foam layer. The weathering layer (14) may be adhered to the backer layer (34) by application of heat.
REFERENCES:
patent: 3616171 (1971-10-01), Hoskinson, Sr.
patent: 3873406 (1975-03-01), Okazaki et al.
patent: 4130614 (1978-12-01), Saidla
patent: 4208469 (1980-06-01), Dial
Lindsay James R.
The B. F. Goodrich Company
Van Balen William J.
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