Apparatus for the manufacture of a thermoplastic container with

Details Apparatus for the manufacture of a thermoplastic container with Apparatus for the manufacture of a thermoplastic container with

1977-07-11

1978-10-31

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

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

Forming baffle, bottleneck, or handle

4253241, 425352, 425356, B29D 2303

Patent

active

041232178

ABSTRACT:
A blow-molding apparatus for producing a flask-like container with a handle has two mold halves which surround a thermoplastic parison for subsequent inflation. Each of the mold halves has a guide channel through which one of a variety of tools may be admitted as complementary pairs. These tools include plungers for defining a region in the parison to serve as the hole of the handle, punches for compressing the plastic material in that same region and, finally, a knock-out mechanism, consisting of at least a ram for knocking out the cooled material so as to form the opening in the container which defines the handle.

REFERENCES:
patent: RE23564 (1952-10-01), Hobson
patent: 3649728 (1972-03-01), Housho et al.
patent: 3781395 (1973-12-01), Uhlig
patent: 3844698 (1974-10-01), Zanca
patent: 3850562 (1974-11-01), Takeuchi et al.
patent: 3892513 (1975-07-01), Mehnert
patent: 3928522 (1975-12-01), Farrell

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