B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 53/84 (2006.01) B29B 13/02 (2006.01) B29C 53/02 (2006.01) B29C 35/04 (2006.01)
Patent
CA 2249574
The invention concerns a device for heating plastics profile sections, in particular for heating PVC profile sections (35), the device comprising a box for holding the profile section. Said box has a support plate (3), side panels and a lid, as well as means for feeding hot air to one end face of the profile section (35) so that it can flow internally and externally past the profile section. Efficient operation is attained in that a return duct (21, 22, 23) is provided for returning and reheating the air when it has flowed through or around the profile section (35) in order to form a closed air circuit.
L'invention concerne un dispositif permettant de chauffer des profilés en plastique, notamment des profilés (35) en PVC, qui comprend une caisse destinée à contenir les profilés et comportant une plaque d'appui (3), des parois latérales et un couvercle. Ce dispositif comprend également des éléments servant à acheminer de l'air chaud sur une face du profilé (35) et de le faire circuler à l'intérieur et à l'extérieur du profilé. On parvient à un mode opératoire efficace du fait qu'il est prévu une gaine de reprise (21, 22, 23) pour faire revenir l'air et le chauffer à nouveau, après son passage à travers ou autour du profilé (35), afin de former un circuit d'air fermé.
Marks & Clerk
Technoplast Kunststofftechnik Gmbh
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