De-coring vibrator or pneumatic hammer for de-coring of foundry castings with back connectors
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United States of America Patent
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Jun 18, 2019
Grant Date -
May 4, 2017
app pub date -
Jun 8, 2015
filing date -
Jun 9, 2014
priority date (Note) -
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Abstract
A hammer includes a jacket, which includes an inner chamber, an inlet circuit for entry of compressed air, and an outlet circuit for exit of compressed air. The hammer further includes a motion mechanism, for generating a vibratory motion under the action of compressed air; and a punch or beater, connected to the motion mechanism, for coming into contact with the casting to be de-cored, forming a first end of the hammer. The inlet circuit includes an inlet connector for connecting the hammer to a compressed-air circuit; the inlet connector being located at a second end of the hammer, opposite to the end where the punch or beater is located. The outlet circuit has an outlet connector for connecting the hammer to an air recovery circuit. The outlet connector is located at the second end of the hammer, in proximity to the inlet connector.
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