Plastic and nonmetallic article shaping or treating: processes – Treatment of material by vibrating – jarring – or agitating...
Patent
1992-07-27
1993-11-09
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Treatment of material by vibrating, jarring, or agitating...
2642972, 2643288, 26432812, 26432814, 26432819, 425560, 425562, 425572, 425573, B29C 4502, B29C 4513
Patent
active
052600122
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.
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Article entitled "Multiple Live-Feed Injection Moulding", by P. S. Allen et al., Plastics and Rubber Processing Applications, vol. 7, No. 1, pp. 3-10, 1987.
Heitbrink Jill L.
Husky Injection Molding Systems Ltd.
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