Method for blow molding large hollow bodies

Details Method for blow molding large hollow bodies Method for blow molding large hollow bodies

1989-09-29

1990-09-25

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

264542, 425451, 4254519, 425541, B29C 3324, B29C 4904, B29C 4932, B29C 4956

Patent

active

049591916

ABSTRACT:
An apparatus and method for blow molding large hollow bodies, such as automotive fuel tanks and the like, is disclosed. A fluidized plastic material injection head is located above a given portion of rails. A plurality of mold carriers are disposed on the rails through wheels, each mold carrier carrying thereon mold halves. A clamping device is mounted on each mold carrier to clamp the mold halves together. A hydraulic press device is located near the injection head and presses the mold halves against each other to achieve a tight coupling of them when operated.

REFERENCES:
patent: 3396427 (1968-08-01), Raspante
patent: 3809739 (1974-05-01), Gelin
patent: 4468368 (1984-08-01), Hafele
patent: 4762486 (1988-08-01), Windstrup et al.
patent: 4882119 (1989-11-01), Ajmera

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