Apparatus for molding plastic articles

Details Apparatus for molding plastic articles Apparatus for molding plastic articles

1991-07-22

1993-03-09

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

Molding of thermosetting or cross-linking stock

264 69, 2642972, 2643288, 26432812, 425557, 425560, 425562, 425572, 425573, B29C 4502

Patent

active

051925559

ABSTRACT:
Apparatus and method for molding plastic articles including oscillating the molten plastic in the mold cavity. The method and apparatus is particularly suitable for use with a plurality of mold cavities supplied from a single feeding means or extruder. The disclosure teaches alternately feeding molten plastic to the mold cavity from at least one shooting pot while the flow of molten plastic to the mold cavity from the feeding means is discontinued.

REFERENCES:
patent: 3861841 (1975-01-01), Hanning
patent: 4699581 (1987-10-01), Nagasaka et al.
patent: 4717324 (1988-01-01), Schad et al.
patent: 4775308 (1988-10-01), Schad et al.
patent: 4808101 (1989-02-01), Schad et al.
patent: 4863369 (1989-09-01), Schad et al.
patent: 4863665 (1989-09-01), Schad et al.
patent: 4931234 (1990-06-01), Schad et al.
Article entitled "Multiple Live-Feed Injection Moulding", by P. S. Allen et al. Plastics and Rubber Processes and Applications, vol. 7, No. 1, pp. 3-10 (1987).

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