B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/00 (2006.01) B29C 35/16 (2006.01) B29C 49/04 (2006.01) B29C 49/48 (2006.01)
Patent
CA 2278636
Disclosed is a device (10) for producing cross-finned pipes, which exhibits molding cheek halves (12) lying adjacent to each other on a common molding segment with front faces (14, 16) and forming a molding channel (18) in-between the latter. Each molding cheek half (12) exhibits vacuum channels (20), which are in fluidic connection with the molding channel (18). Each molding cheek half (12) is also configured with a cooling channel (22). The front faces (14) of the molding cheek halves (12) are configured with vacuum connection grooves (66), which form vacuum connection channels (24) along the common molding segment. The vacuum connection channels (24) are in fluidic connection with a stationary vacuum strip (34) along the common molding segment of the device (10). The cooling channels (22) of the molding cheek halves (12) are in fluidic connection with a stationary coolant strip (44) along the common molding segment, said coolant strip having a coolant inlet (60) and a coolant outlet (62).
L'invention concerne un dispositif (10) pour produire des tubes à nervures transversales, lequel comporte des demi-mâchoires (12) qui sont adjacentes par leurs faces frontales (14, 16) le long d'une section de moulage commune et qui forment un canal de moulage (18) intermédiaire. Chaque demi-mâchoire (12) présente des puits à vide (20) qui sont en communication fluidique avec le canal de moulage (18). Chaque demi-mâchoire (12) est également pourvue d'un canal de refroidissement (22). Les faces frontales (14) des demi-mâchoires (12) sont pourvues de rainures de raccordement au vide (66) qui forment des canaux de raccordement au vide (24) le long de la section de moulage commune. Ces canaux de raccordement au vide (24) sont en communication fluidique avec une bande à vide fixe (34) le long de la section de moulage commune du dispositif (10). Les canaux de refroidissement (22) des demi-mâchoires (12) sont en communication fluidique avec une bande à réfrigérant fixe (44) le long de la section de moulage commune, ladite bande possédant une arrivée de réfrigérant et une évacuation de réfrigérant.
Gowling Lafleur Henderson Llp
Unicor Gmbh Rahn Plastmaschinen
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