TREA

Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids

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Industry

  • CPC
  • B25D9/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B25Hand tools B25DPERCUSSIVE TOOLS

Current Industry

B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids

Sub Industries

B25D9/005Devices for testing the tool's performance B25D9/02of the tool-carrier piston type B25D9/04of the hammer piston type B25D9/06Means for driving the impulse member B25D9/08comprising a built-in air compressor B25D9/10comprising a built-in internal-combustion engine B25D9/11operated by combustion pressure generated by detonation of a cartridge B25D9/12comprising a built-in liquid motor B25D9/125driven directly by liquid pressure working with pulses B25D9/14Control devices for the reciprocating piston B25D9/145for hydraulically actuated hammers having an accumulator B25D9/16Valve arrangements therefor B25D9/18involving a piston-type slide valve B25D9/20involving a tubular-type slide valve B25D9/22involving a rotary-type slide valve B25D9/24involving a rocking-plate type valve B25D9/26Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof B25D9/265with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance
Industries