INJECTION DEVICE AND MOLDING APPARATUS
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United States of America Patent
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Issued Date -
Dec 10, 2015
app pub date -
Jun 5, 2015
filing date -
Jun 5, 2014
priority date (Note) -
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Abstract
An injection device has an injection cylinder device which is connected to a plunger and a driving device which is capable of driving a plunger to move forward through the injection cylinder device. A cylinder part of the injection cylinder device has a front cylinder member which accommodates an injection piston so that it can slide in a front-back direction, is opened at the rear end, and is movable in the front-back direction. Further, the cylinder part has a back cylinder member which communicates with the rear end of the front cylinder member and is provided in a fixed manner. The driving device can drive the front cylinder member in the front-back direction.
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