Apparatus for manufacturing hollow bodies from thermoplastic syn

Details Apparatus for manufacturing hollow bodies from thermoplastic syn Apparatus for manufacturing hollow bodies from thermoplastic syn

1984-04-18

1987-04-14

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

With heating or cooling means

264531, 264532, 425529, 425530, 425534, B29C 4910

Patent

active

046575022

ABSTRACT:
A method for manufacturing hollow bodies from thermoplastic material by making hollow body-shaped preforms provided with opening nipples, which during a subsequent processing operation are reduced to the final shape after converting at least a part of their wall into deformable condition, whereby the forming-out takes place in at least two stages.

REFERENCES:
patent: 3277223 (1966-10-01), Curto
patent: 3278665 (1966-10-01), Harrison
patent: 4063867 (1977-12-01), Janniere
patent: 4105391 (1978-08-01), Aoki
patent: 4416714 (1983-11-01), Hoffman

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