Heat-insulating body

Details Heat-insulating body Heat-insulating body

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 59/06 (2006.01) B32B 5/18 (2006.01) C08J 9/33 (2006.01) E04B 1/80 (2006.01)

Patent

CA 2203418

The invention concerns a heat-insulating body comprising: a) a porous pressed shaped part having an apparent density of 50 to 350 kg/m3, preferably 100 to 250 kg/m3, which is obtained by comminuting foamed plastics to form powder or flakes, binding the powder or flakes with a binder and simultaneously or subsequently shaping the part by pressing; and b) a foil enveloping the pressed shaped part. The foil enveloping the pressed shaped part is evacuated and then hermetically sealed.

L'invention concerne un corps thermo-isolant comprenant a) une pièce moulée par compression, poreuse, présentant une masse volumique apparente comprise entre 50 et 350 kg/m?3¿, de préférence entre 100 et 250 kg/m?3¿, obtenue par broyage sous forme de poudre ou de flocons de mousse de matière plastique, puis par liaison de la poudre ou des flocons avec un liant, et par façonnage simultané ou ultérieur de la pièce par compression; et b) une feuille enveloppant la pièce moulée par compression. L'air est évacué de la feuille enveloppant la pièce moulée par compression, puis la feuille est scellée hermétiquement.

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