Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With accumulator – trap chamber – or serially arranged valves...
Patent
1977-07-19
1979-02-20
Briggs, William R.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With accumulator, trap chamber, or serially arranged valves...
425574, 425576, B29F 104
Patent
active
041404653
ABSTRACT:
The proposed machine incorporates a rotatable support on which injection cylinders which cooperate with actuating hydraulic cylinders are mounted. Each injection cylinder accommodates a ram and a nozzle which are capable of mutual axial motion. The actuating hydraulic cylinder is coupled directly to the ram which engages the nozzle at the moment they come into contact. The injection cylinder is fitted with internal annular grooves, one of which communicates with a plasticator.
The nozzle is provided with channels for placing in communication a cavity, defined between the ram and the nozzle, and the nozzle outlet orifice via one of the annular grooves.
REFERENCES:
patent: 3020591 (1962-02-01), Breher et al.
patent: 3247304 (1966-04-01), Ninneman
patent: 3833329 (1974-09-01), Ulmachneider
Koshkin Lev N.
Lutskov Nikolai Z.
Pozdnyakov Anatoly M.
Repin Jury A.
Semenov Valery M.
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