Insulation means and method

Details Insulation means and method Insulation means and method

1980-06-05

1982-04-13

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

5230911, 52404, 52743, 156 77, 428 35, 428 71, 428323, 428331, 428403, 428404, 4283137, 4283166, B32B 516, B32B 518, B32B 904

Patent

active

043248349

ABSTRACT:
This invention is an improved insulation means and a method of forming the same. An expanded ceramic material such as expanded perlite, with a calculated R-rating of 2.7 per inch, and urethane foam, with a R-rating of 7 per inch under American Society for Testing Methods (ASTM), are combined to more than triple the expected R-rating of the sum of the two. The methods of forming the improved insulation can be used for either original equipment insulation such as water heaters or for board or foamed in type insulation for use in building structures and similar applications.

REFERENCES:
patent: 3512327 (1970-05-01), La Padura
patent: 3709772 (1973-01-01), Rice
patent: 3785913 (1974-01-01), Hallamore
patent: 3978264 (1976-08-01), Tarbell et al.
patent: 4107376 (1978-08-01), Ishikawa
patent: 4130687 (1978-12-01), Ballard et al.
patent: 4177618 (1979-12-01), Felter

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