Vibrational heads and assemblies and uses thereof
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United States of America Patent
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app pub date -
Dec 20, 2005
filing date -
Jun 20, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vibrational head for vibrational drilling utilising a tunable hydraulic supply to each end of a shuttle in a housing from which the vibrational output is taken. Valving is by a rotary valve system into and out of the chamber. The system with a drive in/drive out capability enables easy restart and effective operation.
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