Apparatus for making precisely partitioned bulbous-shape contain

Details Apparatus for making precisely partitioned bulbous-shape contain Apparatus for making precisely partitioned bulbous-shape contain

1974-07-31

1978-01-24

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

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

Including means to prepare parison

425468, B29D 2303

Patent

active

040701409

ABSTRACT:
Apparatus comprising means for blow molding a preform having a body which is longitudinally partitioned by a bulkhead having the size, shape, and orientation required in a finished, precisely partitioned bulbous-shape container to convert the preform into such a finished bulbous-shape container while constraining the bulkhead from changing size, shape, or orientation during the blow molding operation. An integrated injection-blow molding embodiment is disclosed as well as discrete injection molding and blow molding apparatuses.

REFERENCES:
patent: 3189422 (1965-06-01), Shea et al.
patent: 3301928 (1967-01-01), Plymale
patent: 3471896 (1969-10-01), Ninneman
patent: 3752434 (1973-08-01), Herter
patent: 3889920 (1975-06-01), Holbrook

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