Blow molding machine for making hollow plastic articles

Details Blow molding machine for making hollow plastic articles Blow molding machine for making hollow plastic articles

1996-05-29

1997-12-09

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including means to prepare parison

425451, 425453, 425541, B29C 4932, B29C 4956

Patent

active

056957920

ABSTRACT:
A blow-molding machine for producing hollow plastic articles comprises a blow mold having a plurality of cavities corresponding to the shape and dimension of the finished hollow articles. The blow mold has at least two closely adjacent and separate blow molds and an opening and closing system operatively associated with each blow mold. The machine is provided with a tube station and a blow station. The tube station has a plurality of tube-shaped parison-forming heads located parallel to and next to each other for filling each cavity with a parison. The number of cavities corresponds to the number of parisons. The blow station is offset relative to the tube station and thereat the parisons in closed blow molds are inflated to the finished hollow articles. A joint transportation system for moving all of said blow molds between the tube station and the blow station is provided.

REFERENCES:
patent: 4459095 (1984-07-01), Rohr et al.
patent: 4468368 (1984-08-01), Hafele
patent: 4552526 (1985-11-01), Hafele
patent: 4815955 (1989-03-01), Krall
patent: 5486103 (1996-01-01), Meiring et al.

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