Plastic and nonmetallic article shaping or treating: processes – With step of cooling to a temperature of zero degrees c. or...
Patent
1998-05-28
2000-03-28
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
With step of cooling to a temperature of zero degrees c. or...
2643288, 26432814, 264334, 264336, 425548, 425556, B29C 4542, B29C 4572
Patent
active
060427574
ABSTRACT:
An injection-molding device including an injection machine, a mold unit connected to the injection machine having separable molds defining a cavity for forming a molded product, and chucks next to the mold unit for removing a molded product from the mold. The molded product is initially coolied in the mold cavity then again cooled after removal from the mold unit. Plural chucks are advanced into and retreated from a region defined by the open molds, the chucks being a pair of blocks grasping the surface of the molded product, each block having a circulating path through which a heating medium is passed to cool the grasping surface. The injection-molding apparatus produces articles having high dimensional accuracy, for example, electronic parts such as a magnet roll or the like.
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Abe Masaharu
Nakamura Kyoichi
Sasaki Osamu
Takaragi Shigeru
Yamamoto Hiroshi
Heitbrink Jill L.
Toda Kogyo Corporation
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