Mold clamping apparatus
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United States of America Patent
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Issued Date -
Nov 11, 2004
app pub date -
Mar 30, 2004
filing date -
Mar 31, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A movable platen 5 which is provided between a base platen and a stationary platen, is connected to a mold clamping ram13 of a mold clamping cylinder 8. A pair of mold clamping cylinders 8 include a cylinder of which the inner diameter of their lower end portions is smaller than the inner diameter of the other portions, the mold clamping ram 13 having a piston 14 which fits to the lower end, a booster ram 16 which is inserted into the mold clamping ram, and a circulation device 20 which is provided to a side portion of the mold clamping cylinder. A pair of mold clamping cylinders 8 are provided having a space in both sides of the stationary platen 2. A charge cylinder 9 is provided on the stationary platen between a pair of mold clamping cylinders. The movable platen 5 is connected to a pair of mold clamping rams. A pair of mold clamping cylinders 8 are operated to clamp the mold simultaneously at two positions, left and right, with sharing the charge cylinder 9.
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