Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1986-09-30
1988-08-30
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
5230911, 52454, 52598, 83 36, 83864, 83865, 264156, 264162, 264274, 264284, B29C 6722, B29C 3910, B29B 1100, B26D 308
Patent
active
047675810
ABSTRACT:
A building construction element such as insulative siding is disclosed having an outer skin with an inner surface on which a plurality of individual, spaced-apart, arcuate-shaped projections are cut or gouged from the inner surface by a cutting tool means. A low density polymetric foam material is disposed over the inner surface so as to completely surround each arcuate projection to thereby securely lock the skin to the foam material after it sets.
REFERENCES:
patent: 356161 (1887-01-01), Ricketson
patent: 3654018 (1972-04-01), Bogue et al.
patent: 3703432 (1972-11-01), Koski
patent: 3715415 (1973-02-01), Erb
patent: 3802147 (1974-04-01), O'Konski
patent: 4149840 (1979-04-01), Tippmann
patent: 4304080 (1981-12-01), Freeman
Anderson Philip
Baker Joseph J.
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