BLOCKING PREVENTION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a blocking prevention device for preventing a palm from blocking an opening part at the proximal end of an injection cylinder in a communicating operation by mounting the device onto the flange part of the injection cylinder.

SOLUTION: The blocking prevention device to be attached onto the flange of the injection cylinder includes: a hand pressure board; a rod insertion part arranged in the hand pressure board; an injection cylinder fitting part arranged on the lower surface of the hand pressure board so as to obtain a space between the hand pressure board and the flange; and a breather part arranged in a part other than the hand pressure part and communicated with the space.

COPYRIGHT: (C)2009,JPO&INPIT