Heat-insulating body

Details Heat-insulating body Heat-insulating body

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 59/06 (2006.01) F16L 59/04 (2006.01)

Patent

CA 2203422

A heat insulating body comprising a) a rigid foamed plastic material comminuted to a powder, and of b) a sheet which clads component a), wherein the sheet which clads component a) has been evacuated and then hermetically sealed. Component a) may additionally comprise an inorganic porous material. The foamed plastic material powder has been pre-pressed at pressures of 0.5 to 5 bar and, prior to being clad with the sheet, has been freed from volatile constituents by heating at temperatures from 50 to 250°C.

L'invention concerne un corps thermo-isolant comprenant a) une mousse de matière plastique rigide broyée en poudre et, le cas échéant, un matériau inorganique poreux; et b) une feuille enveloppant les composants a). L'air est évacué de la feuille enveloppant les composants a) puis celle-ci est scellée hermétiquement.

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