GB207036A - Spool valve for rock drills - Google Patents

Spool valve for rock drills

Info

Publication number
GB207036A
GB207036A GB3184222A GB3184222A GB207036A GB 207036 A GB207036 A GB 207036A GB 3184222 A GB3184222 A GB 3184222A GB 3184222 A GB3184222 A GB 3184222A GB 207036 A GB207036 A GB 207036A
Authority
GB
United Kingdom
Prior art keywords
spool valve
rock drills
drills
rock
ingersoll
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
GB3184222A
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
Priority to GB3184222A priority Critical patent/GB207036A/en
Publication of GB207036A publication Critical patent/GB207036A/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
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Earth Drilling (AREA)

Abstract

207,036. Marks, E. C. R., (Ingersoll- Rand Co.). Nov. 21, 1922. Drawings to Specification. Percussive drills.-The supply is provided with a handle which engages stops to limit its rotary movement.
GB3184222A 1922-11-21 1922-11-21 Spool valve for rock drills Expired GB207036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3184222A GB207036A (en) 1922-11-21 1922-11-21 Spool valve for rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3184222A GB207036A (en) 1922-11-21 1922-11-21 Spool valve for rock drills

Publications (1)

Publication Number Publication Date
GB207036A true GB207036A (en) 1923-11-22

Family

ID=10329197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3184222A Expired GB207036A (en) 1922-11-21 1922-11-21 Spool valve for rock drills

Country Status (1)

Country Link
GB (1) GB207036A (en)

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