Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool
Patent
1985-05-30
1986-09-23
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to heat or cool
249 78, 425549, B29F 103, F27B 1400
Patent
active
046132961
ABSTRACT:
A heater device for tightening a coil on a cylindrical body which forms a passageway between an injector and a mold in an injection molding apparatus. The device has a first anchor for connecting one end of the coil to the cylindrical body, and a second anchor for connecting the second end of the coil to a rotatable ring on the cylindrical body. A threaded portion is arranged on the rotatable ring so that it engages directly with the cylindrical body or with a stationary ring member on the cylindrical body in a manner similar to a worm gear mechanism. Due to the rotation of the threaded member, a force is generated to stretch the coil, thus bringing the coil into positive contact with the surface of the cylindrical body along the entire length of the coil.
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Flint, Jr. J. Howard
Toyota Jidosha & Kabushiki Kaisha
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