B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/20 (2006.01) B29C 49/56 (2006.01) B29C 49/04 (2006.01) B29C 49/06 (2006.01)
Patent
CA 2419402
The invention concerns a moulding unit comprising, between two components consisting of a mould element (22) and its support (18), a compensating chamber (56) wherein a pressurised fluid is injected to move apart the mould element (22) from its support (18). The invention is characterised in that the chamber (56) is delimited by a membrane (42) comprising a peripheral seal (44) with a lip, the membrane (42) being urged to press against one of the components (22, 18) and the seal lip (44) being urged to be tightly pressed against the other of the components (18, 22).
L'invention propose une unité de moulage comportant, entre deux entités constituées par un élément de moule (22) et son support (18), une chambre de compensation (56) dans laquelle un fluide sous pression est injecté pour écarter l'élément de moule (22) de son support (18), caractérisée en ce que la chambre (56) est délimitée par une membrane (42) comportant un joint périphérique (44) ô lèvre, la membrane (42) venant en appui contre l'une des entités (22, 18) et la lèvre du joint (44) venant en appui étanche contre l'autre des entités (18, 22).
Goudreau Gage Dubuc
Sidel
LandOfFree
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