Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1977-12-06
1980-03-04
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
523091, 52540, 52560, 249 96, 264 464, 264 467, 264259, 264278, 264338, 264DIG14, B29D 2704
Patent
active
041917227
ABSTRACT:
A synthetic foam roofing system having roofing sections with a relatively broad undersurface and exposed surface configured to resemble interlocked and overlapping roofing shingles. Ridge, valley, hip, starter gable and starter course shingles are all constructed in a manner similar to the roofing sections to interface and interlock with the roofing sections. The roofing sections and interfacing components may be affixed by conventional means such as nails and adhesives to roof boards, rafters or over old existing roofing structures utilizing wood batting.
REFERENCES:
patent: 3099516 (1963-07-01), Henrickson
patent: 3813463 (1974-05-01), Conger
patent: 3925526 (1975-12-01), Haas
patent: 4028450 (1977-06-01), Gould
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