Method of making panels of microporous thermal insulation

Coating processes – With winding – balling – rolling – or coiling

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156 622, 252 62, 264112, 427409, 427421, 427429, B29C 4132, B32B 502

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047924667

ABSTRACT:
A panel of microporous thermal insulation material is manufactured by applying a film of polyvinyl acetate emulsion to a non-porous substrate, such as a sheet of steel, and compacting powdery microporous thermal insulation material against the film so as to cause the consolidated insulation material to bond to the substrate and form a panel.

REFERENCES:
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patent: 3962014 (1976-06-01), Hughes et al.
patent: 4121958 (1978-10-01), Koonts
patent: 4158073 (1979-06-01), Schneider et al.
patent: 4221672 (1980-09-01), McWilliams
patent: 4365135 (1982-12-01), McWilliams
patent: 4517240 (1985-05-01), Tracton et al.
patent: 4556593 (1985-12-01), Hughes
patent: 4564547 (1986-01-01), Hughes
patent: 4655861 (1987-04-01), Kiss
The Condensed Chemical Dictionary, 10th Ed., 1981, p. 840.

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