Moulding machines

Details Moulding machines Moulding machines

1978-08-16

1980-01-29

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Molding pressure control means responsive to pressure at...

425150, 425405R, 425DIG60, B29F 106

Patent

active

041859529

ABSTRACT:
An injection molding machine has a fixed and a tool portion, a shroud mounted for sliding movement around and in sealing relation to one of said portions towards and into sealing engagement with the other portion so as to define with the portions a substantially closed chamber around a molding tool associated with said portions together with means operable to urge said shroud into said sealing engagement and means for at least partially evacuating the closed chamber.

REFERENCES:
patent: 2876492 (1959-03-01), Grieder et al.
patent: 3103698 (1963-09-01), Wollett
patent: 3267517 (1966-08-01), Altermatt
patent: 3351983 (1967-11-01), Grigull
patent: 3555620 (1971-01-01), Bucy
patent: 3689186 (1972-09-01), Winter
patent: 3894824 (1975-07-01), Wells

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