B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/14 (2006.01) B29B 13/02 (2006.01) B29C 31/08 (2006.01) B29C 37/00 (2006.01) B29C 51/06 (2006.01) B29C 51/10 (2006.01) B29C 51/26 (2006.01) B29C 51/42 (2006.01) B29C 67/24 (2006.01) B29C 69/00 (2006.01) B29C 51/20 (2006.01)
Patent
CA 2503569
Method and device to produce polyurethane articles (37, 137, 237) covered on one side by a film (19). The method provides a step wherein the film (19) is made to adhere to one zone of a part of a mold, and a heating step wherein one segment of the film (19) is heated before the film (19) is made to adhere to the part of the mold. The heating step is performed, by means of a movable heating assembly (15), in an intermediate position between a first position outside the mold and a second position associated with the mold. In the heating step the film (19) is also partly pre-formed.
L'invention concerne un procédé et un dispositif de production d'articles en polyuréthanne (37, 137, 237) dont un côté est recouvert d'un film (19). Le procédé comprend une étape au cours de laquelle le film (19) est rendu apte à adhérer à une zone d'une partie d'un moule, et une étape de chauffe au cours de laquelle un segment du film (19) est chauffé avant que le film (19) soit rendu apte à adhérer à la partie du moule. L'étape de chauffe est effectuée au moyen d'un ensemble de chauffe mobile (15), en une position intermédiaire entre une première position, à l'extérieur du moule, et une seconde position, associée au moule. Durant l'étape de chauffe, le film (19) est, en outre, partiellement préformé.
G.m.p. Spa
Goudreau Gage Dubuc
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