AIR-OPERATED VALVE
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United States of America Patent
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N/A
Issued Date -
Jul 18, 2013
app pub date -
May 20, 2011
filing date -
Jul 27, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to provide an air-operated valve suitable for use in a form using a one-touch joint. A casing 4 is made by an upper casing 22 and a lower casing 21 which are screwed in each other. Piston driving means 12 has a one-touch joint 15 attached to a top part of the upper casing 22.
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