Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With coupling between charger and mold
Reexamination Certificate
2006-11-07
2006-11-07
Mackey, James P. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With coupling between charger and mold
C425S574000, C425S594000
Reexamination Certificate
active
07131835
ABSTRACT:
An injection molding machine having two injection units retained in parallel on one heating cylinder retention member, so that nozzles of the two injection units can touch fixed-side molds by advance of the heating cylinder retention member toward the molds. Two nozzle touch rods having their one ends fixed to a fixed die plate mounted with the molds are disposed symmetrically outside the two injection units respectively. Nut pieces screwed down to ball screw shaft portions of the nozzle touch rods respectively are attached to the heating cylinder retention member rotatably. Two servo motors for driving and rotating the two nut pieces respectively and individually are mounted on the heating cylinder retention member. Thus, in the configuration in which the two injection units are retained on the one heating cylinder retention member, the nozzles of the two injection units can touch the molds with predetermined nozzle touch forces respectively in spite of a difference in whole length between the two injection units, which difference is unavoidable in manufacturing.
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Crowell & Moring LLP
Luk Emmanuel S.
Mackey James P.
Toyo Machinery & Metal Co., Ltd.
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