Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Feed control of material en route to shaping area
Patent
1991-10-24
1993-03-30
Heitbrink, Tim
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Feed control of material en route to shaping area
264523, 264572, 425564, B29C 4577
Patent
active
051982404
ABSTRACT:
A pressurization control unit for use in a gas assisted injection molding process includes a frame and a gas inflow conduit located on the frame. A gas pressurization device is secured to the frame and is in fluid communication with the gas inflow conduit. A gas storage device is secured to the frame and is in fluid communication with the gas pressurization device. A gas outflow conduit is located on the frame with the gas outflow conduit being in fluid communication with the gas storage device. A valve is provided in the gas outflow conduit for selectively allowing an outflow of the pressurized gas from the gas storage device. A control apparatus is located on the frame for controlling the operation of the gas pressurization device and the valve.
REFERENCES:
patent: 4082226 (1978-04-01), Appleman et al.
patent: 4394333 (1983-07-01), Fukushima et al.
patent: 4481768 (1984-11-01), Goshorn et al.
patent: 5039463 (1991-08-01), Loren
T-Line Toggle Injection Molding Machines, Cincinnati Milacron Pamphlet, Jan. 1982.
CAMAC, Cincinnati Milacron Pamphlet Mar. 1984.
Heitbrink Tim
Nitrojection Corporation
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