Device for blowmolding of plastic

Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – With heating or cooling means

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Details

425534, 425535, 425540, B29C 4958, B29C 4964

Patent

active

053283511

ABSTRACT:
The device for blow molding of a thermoplastic material contains a heating device for tempering preforms and a blow device for blow forming the preforms into a container. For controlling at least one blow station provided in the region of the blow device at least one preloadable control disk is provided. The control disk is preloaded relative to a carrier disk by at least one pneumatic spring and is connected to a pressure relief device allowing pressure free maintenance.

REFERENCES:
patent: 4214860 (1980-07-01), Kleimenhagen et al.
patent: 4373891 (1983-02-01), Kishida et al.
patent: 4505664 (1985-03-01), Craig
patent: 4693375 (1987-09-01), Schweers
patent: 4790741 (1988-12-01), Takakusaki et al.
patent: 4850850 (1989-07-01), Takakusaki et al.
patent: 5116217 (1992-05-01), Doudement et al.

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