Plastic article or earthenware shaping or treating: apparatus – With electrical control system – Of intermittent delivery of fluent charges to shaping surface
Patent
1981-04-23
1984-07-17
Maslousky, Paul E.
Plastic article or earthenware shaping or treating: apparatus
With electrical control system
Of intermittent delivery of fluent charges to shaping surface
425557, 251 634, 251 635, 91167R, 91361, B29F 104, F15B 1316, F15B 1118
Patent
active
044603240
ABSTRACT:
A shot cylinder controller for injection molding machines comprises a valve connected with one side of the shot cylinder and including a valve head which is movable with respect to a seat. The valve head is connected with at least two, lineally extensible actuators, interconnected in an end-to-end relationship. The actuators are independently extended and retracted, whereby selective manipulation of the actuators varies the position of the valve head, and thereby controls the extension of the shot cylinder and regulates the speed of die injection.
REFERENCES:
patent: 3072146 (1963-01-01), Gigeski
patent: 3100083 (1963-08-01), Wardrup
patent: 3229588 (1966-01-01), Cgernek
patent: 3242820 (1966-03-01), Brandstadter
patent: 3533596 (1970-10-01), Doume
patent: 3835750 (1974-09-01), Dunne
patent: 3911790 (1975-10-01), Gaitten
Publication, "Cartridge Valve Concepts", Chapter Entitled Application: Die Casting, Sperry-Vickers, Troy, Michigan, Publication Date Unknown.
Maslousky Paul E.
Prince Corporation
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