Molding press close and lock system
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United States of America Patent
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May 23, 1989
Grant Date -
N/A
app pub date -
Jun 13, 1988
filing date -
Jun 13, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A die closing and locking apparatus for use in a die press includes a two-part linkage and cylinder combination wherein one part includes a toggle mechanism and the other part includes an annular hydraulic cylinder. The toggle mechanism operates on the closing portion of the die so as to move it into position rapidly and with the minimum time required. The annular hydraulic cylinder acts upon the die in the closing portion so as to apply the required closing force on the die, via the toggle mechanism, prior to the casting or molding operation.
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