Plastic article or earthenware shaping or treating: apparatus – Means treating shaped work
Patent
1977-09-26
1978-12-05
Spicer, Robert L.
Plastic article or earthenware shaping or treating: apparatus
Means treating shaped work
425 4R, 425817R, 425DIG201, 29729, B29C 2500
Patent
active
041283783
ABSTRACT:
Equipment for producing a high voltage rectifying unit wherein there is a resin ingredient tank and a curing agent tank for storing separately the resin ingredient and the curing agent, a closed mixer for mixing the resin ingredient and the curing agent, a vacuum chamber for injecting a mixed thermo-setting resin composition into the high voltage rectifying unit, a chamber for defoaming the injected resin composition, a furnace for curing the injected resin composition by heating, and a carrier apparatus covered to isolate the external atmosphere which may carry the resin composition-injected high voltage rectifying unit from the defoaming chamber to the curing furnace, whereby the procedures from vacuum injection to curing can be carried out continuously and automatically.
REFERENCES:
patent: 2937408 (1960-05-01), Limpel
patent: 3048896 (1962-08-01), Marlo
patent: 3151196 (1964-09-01), Tipton
patent: 3537677 (1970-11-01), Cotton et al.
patent: 3611480 (1971-10-01), Zippel et al.
patent: 3898027 (1975-08-01), Milner
Chikamatsu Shigeru
Hosoe Yoshihisa
Matsui Motoaki
Otsu Shinpei
Sekiguchi Akira
Hitachi , Ltd.
Spicer Robert L.
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