Method and device for processing preforms

Details Method and device for processing preforms Method and device for processing preforms

B - Operations, Transporting

29

C

B29C 49/02 (2006.01) B29C 49/06 (2006.01) B29C 49/64 (2006.01)

Patent

CA 2478874

Disclosed are a method and a device for processing preforms which are made of a thermoplastic plastic material and are blow molded into containers. In a first production process, the preforms are produced by injection molding in the area of an injection molding tool. At least some areas of the preforms are impinged upon by a cooling device. The preforms are deformed by applying negative pressure, wherefore the cooling device can be made at least in part of a porous material.

L'invention concerne un procédé et un dispositif pour façonner des préformes à partir d'un matériau synthétique thermoplastique, ces préformes servant au moulage de récipients par soufflage. Dans une première étape de production, ces préformes sont moulées par injection dans une machine de moulage par injection. Puis elles sont au moins partiellement soumises à l'action d'une installation de refroidissement, avant d'être formées par dépression. L'installation de refroidissement est au moins en partie composée d'un matériau poreux.

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