Plastic article or earthenware shaping or treating: apparatus – Stock pressurizing means operably associated with downstream... – Including restriction upstream of shaping orifice and...
Patent
1988-06-07
1989-06-27
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Stock pressurizing means operably associated with downstream...
Including restriction upstream of shaping orifice and...
425564, 425586, 425587, B29C 4523
Patent
active
048425079
ABSTRACT:
An injection apparatus of a plunger type for injecting reinforced materials such as BMC is of a single barrel type or a double barrel type comprising a rotatable plunger disposed in the barrel. A check valve means for preventing a back flow of the materials in a metering process is provided such that it is closed when the plunger is actuated to move axially for injection.
REFERENCES:
patent: 1367196 (1921-02-01), Lucas
patent: 2382655 (1945-08-01), Nichols
patent: 3118184 (1964-01-01), Swenson
patent: 3263276 (1966-08-01), Maier
patent: 3398435 (1968-08-01), Nouel
patent: 3456298 (1969-07-01), Foster et al.
patent: 3509601 (1970-05-01), Johansson
patent: 3698845 (1972-10-01), Paulson
patent: 3706827 (1972-12-01), Nott et al.
patent: 3888393 (1975-06-01), Drori
patent: 4358033 (1982-11-01), Dykehouse
patent: 4422842 (1983-12-01), Monnet
patent: 4477242 (1984-10-01), Eichlseder et al.
patent: 4530605 (1985-07-01), Eichlseder et al.
Hashimoto et al; "Unique Thermoset Injection Molding System for Auto Body Panels"; Society of Automotive Engineers, Inc.; Feb. , 1987.
Hashimoto Kiyoshi
Kawaguchi Toshiro
Sonoda Takefumi
Chiesa Richard L.
Ube Industries Ltd.
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