Clamping apparatus for molding machine
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United States of America Patent
Stats
-
Mar 9, 1993
Grant Date -
N/A
app pub date -
Jul 17, 1991
filing date -
Jul 27, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A clamping apparatus of molding machine including a base; a fixed board disposed on the base; a movable board movable relative to the fixed board; a plurality of mold clamping cylinders disposed in predetermined positions of the fixed board, the mold clamping cylinders each having a mold clamping piston with a tie bar reception hole and a tie bar connection device disposed on the mold clamping piston; a plurality of tie bars with a thread at their one end, the tie bars being disposed in correspondence with the mold clamping cylinders on the movable board; a plurality of mold opening/closing cylinders for moving the movable board; and a mold thickness adjustment device having a movable stopper for contacting an end of each tie bar to control the axial position of each of the tie bars with respect to the connection devices during clamping.
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