Vacuum panel
OwnerChristopher J. Bennettinventor
Life of this patent
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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.
Claims21
A panel intended for use as a vacuum enclosure, comprising a pair of spaced sheets defining between them opposite walls of said enclosure, a plurality of spacer assemblies located between said sheets and adapted to maintain said sheets at the desired spacing, each of said spacer assemblies comprising a pair of bearing elements positioned on the inside surfaces of said sheets at mutually opposite locations, a spacer element received between said bearing elements which spacer element is formed with substantially spherical bearing surfaces cooperating with said bearing elements, and spring means incorporated within each said spacer assembly adapted to allow a limited degree of relative movement of said sheets in a direction substantially at right angles to the plane of said sheets.
Dependencies are inferred from the claim text.