Vacuum-type insulation article having an elastic outer member an

Details Vacuum-type insulation article having an elastic outer member an Vacuum-type insulation article having an elastic outer member an

1986-03-20

1988-11-08

Kittle, John

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

428116, 428174, 428182, 428184, 428186, B32B 104, B32B 302

Patent

active

047833564

ABSTRACT:
An article of insulation and a method for making same. Outer sheet-like elements (22,24) of elastic deformable material are secured by adhesive to a base element (20) of rigid deformable material in a particular pattern which defines unbonded areas which are each bounded entirely by adhesive. The combination of the two outer elements (22,24) and the base element (20) is then deformed, following which the base element (20) retains its deformed shape while the outer elements (22,24) spring back to their original shape, leaving voids between the base element (20) and the outer elements (22,24) in which there is a partial vacuum.

REFERENCES:
patent: 1488504 (1924-04-01), Keyes
patent: 1780739 (1930-11-01), Berg
patent: 2608502 (1952-08-01), Merriman
patent: 3520763 (1970-07-01), Holland
patent: 3864200 (1975-02-01), Marshall
patent: 4510010 (1985-04-01), Schramm, deceased et al.
patent: 4579756 (1986-04-01), Edgel

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