Method for making a multi-layer plastic container with a handle

Details Method for making a multi-layer plastic container with a handle Method for making a multi-layer plastic container with a handle

1990-03-05

1992-02-11

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264515, 264523, 264536, 264540, 425523, 425525, 215 1C, 215100A, B29C 4922

Patent

active

050874063

ABSTRACT:
The method and apparatus for making a multi-layer plastic container with an integral handle for holding liquids and the like by enclosing a hollow parison of molten plastic which is at a blow molding temperature, pinching a portion of the hollow parison as the mold clses to form a hollow moil portion and neck portion, simultaneously pinching a portion of the hollow parison to form a hollow handle portion while leaving a portion of the parison to provide a passage from the moil poriton to the handle portion and the expanding the parison by supplying gaseous pressure to the moil portion and from the moil portion to form the container from the moil portion through the passage to form the handle.

REFERENCES:
patent: 2991500 (1961-07-01), Hagen
patent: 3366290 (1968-01-01), Mojannier et al.
patent: 3444285 (1969-05-01), Mason
patent: 3892828 (1975-07-01), Weatherly et al.
patent: 4079850 (1978-03-01), Suzuki et al.

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