Vacuum panel

Details Vacuum panel Vacuum panel

1977-12-07

1979-01-02

Sebastian, Leland A.

Stoves and furnaces

Ovens

Domestic

29400C, 52304, 52308, 52397, 52398, 52401, 52790, 126271, 156104, 237 1A, 428 34, F24J 302

Patent

active

041322185

ABSTRACT:
A panel intended for use as a vacuum enclosure, comprising a pair of spaced sheets defining between them opposite walls of the enclosure, and a spacer assembly located between the sheets and adapted to maintain the sheets at the desired spacing, said spacer assembly comprising a pair of bearing pads positioned on the inside surfaces of the sheets at mutually opposite locations, a spacer element received between the bearing pads which spacer element is formed with substantially spherical bearing surfaces cooperating with the bearing pads, and spring means incorporated within the spacer assembly adapted to allow a limited degree of relative movement of the sheets in a direction substantially at right angles to the plane of the sheets.

REFERENCES:
patent: 3694299 (1972-09-01), Wagner
patent: 3832254 (1974-08-01), Bowser et al.
patent: 4038797 (1977-08-01), Hermann et al.
patent: 4080482 (1978-03-01), Lacombe

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