Plastic article or earthenware shaping or treating: apparatus – With control means responsive to independently operated timer – For timing period mold is closed or period molding pressure...
Patent
1974-05-03
1977-03-22
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
With control means responsive to independently operated timer
For timing period mold is closed or period molding pressure...
425167, 4254512, 425DIG223, B29C 306, B29F 106
Patent
active
040133923
ABSTRACT:
In an injection moulding machine comprising two relatively movable platens each carrying a mould part, a stop means is provided which, in a first condition, defines a limit to the relative approach movement of the platens, and in a second condition permits further relative approach movement of the platens, means being provided to change the condition of the stop means from the first to the second condition at a predetermined instant after interruption of the relative approach movement of the platens by the stop means.
REFERENCES:
patent: 2724145 (1955-11-01), Hall
patent: 2938232 (1960-05-01), Martin
patent: 3327474 (1967-06-01), Schiffer
patent: 3392423 (1968-07-01), Heider et al.
patent: 3587135 (1969-06-01), Carrieri
patent: 3616495 (1971-11-01), Lemelson
patent: 3671162 (1972-06-01), Lohmann
patent: 3787159 (1974-01-01), Bielfeldt
patent: 3799720 (1974-03-01), Fjellman
Briggs W. R.
G.K.N. Windsor Limited
Spicer, Jr. Robert L.
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