Thermal insulating material

Details Thermal insulating material Thermal insulating material

1986-04-08

1986-10-21

Thibodeau, Paul J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 69, 428188, 428920, B32B 108, B32B 326

Patent

active

046185178

ABSTRACT:
The present invention is a thermal insulating material comprising layers of thin walled hollow glass or plastic tubes stacked together so that their longitudinal axes are perpendicular to the direction of heat flow. The tubes are preferably eliptical in cross-section with the larger axes of the elipse also being aligned in a plane perpendicular to the direction of heat flow. The tubes may be sealed at each end or open; if sealed they may contain air or a low conductivity gas at atmospheric pressure or less than atmospheric pressure. In preferred embodiments the internal surface of the tubes are coated with a reflective material.

REFERENCES:
patent: 3769770 (1973-11-01), Deschamps et al.
patent: 4303061 (1981-12-01), Torobin
patent: 4303729 (1981-12-01), Torobin
patent: 4513041 (1985-04-01), Delluc

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