Abrasive nozzle head
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United States of America Patent
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Jun 20, 2017
Grant Date -
May 12, 2016
app pub date -
Nov 4, 2015
filing date -
Nov 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The abrasive nozzle head includes, within a hollow head body mounted to a nozzle adapter supplying high pressure water: a water nozzle; a mixing chamber; and an abrasive nozzle, which are arranged coaxially with the nozzle adapter. The abrasive nozzle head is provided with an abrasive supply portion that supplies an abrasive to the mixing chamber. The head body has a recessed hole formed by drilling from a side surface, the recessed hole intersecting with the jet axis of a water jet. A mixer member is removably inserted into the recessed hole, and formed with the mixing chamber and an abrasive supply port. The abrasive nozzle head also includes: a positioning portion that positions the mixing chamber coaxially with the water nozzle and the abrasive nozzle when the mixer member is fully inserted; and a fixing portion that releasably fixes the mixer member in the fully inserted position.
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