GB280850A - Improvement in valve for rock drill - Google Patents

Improvement in valve for rock drill

Info

Publication number
GB280850A
GB280850A GB10649/27A GB1064927A GB280850A GB 280850 A GB280850 A GB 280850A GB 10649/27 A GB10649/27 A GB 10649/27A GB 1064927 A GB1064927 A GB 1064927A GB 280850 A GB280850 A GB 280850A
Authority
GB
United Kingdom
Prior art keywords
improvement
valve
rock drill
drill
rock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB10649/27A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of GB280850A publication Critical patent/GB280850A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB10649/27A 1926-11-20 1927-04-20 Improvement in valve for rock drill Expired GB280850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US280850XA 1926-11-20 1926-11-20

Publications (1)

Publication Number Publication Date
GB280850A true GB280850A (en) 1928-01-12

Family

ID=21841488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10649/27A Expired GB280850A (en) 1926-11-20 1927-04-20 Improvement in valve for rock drill

Country Status (1)

Country Link
GB (1) GB280850A (en)

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