Static molds – Including means within surface to confine heat exchange medium
Patent
1998-10-01
2000-06-20
Davis, Robert
Static molds
Including means within surface to confine heat exchange medium
220236, 220235, 249141, B65D 5300
Patent
active
060767979
ABSTRACT:
An apparatus for blocking a hole, especially for blocking a passageway within a mold. The apparatus includes one or more tapered members received within recesses of an expandable sleeve. As the one or more tapered members are drawn within the sleeve by a fastener, the outer diameter of the sleeve expands so as to substantially block the hole. The apparatus also includes a surface with threads that are the opposite hand of the threads of the fastener. This second set of opposite hand threads permit holding and placing the apparatus within a location of the hole, and also for reacting the torque applied by a second tool used to tighten the fastener.
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Davis Robert
Nguyen Thukhanh T.
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