GB234699A - Improvements in valve for rock drills - Google Patents

Improvements in valve for rock drills

Info

Publication number
GB234699A
GB234699A GB2504324A GB2504324A GB234699A GB 234699 A GB234699 A GB 234699A GB 2504324 A GB2504324 A GB 2504324A GB 2504324 A GB2504324 A GB 2504324A GB 234699 A GB234699 A GB 234699A
Authority
GB
United Kingdom
Prior art keywords
valve
rock drills
drills
ingersoll
rand
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
GB2504324A
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 GB2504324A priority Critical patent/GB234699A/en
Publication of GB234699A publication Critical patent/GB234699A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/007—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is not coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

234,699. Marks, E. C. R., (Ingersoll- Rand Co.). Oct. 21, 1924. Percussive rock drills. - An extension H is interposed between the power cylinder A and a head G carrying the drill chuck F.
GB2504324A 1924-10-21 1924-10-21 Improvements in valve for rock drills Expired GB234699A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2504324A GB234699A (en) 1924-10-21 1924-10-21 Improvements in valve for rock drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2504324A GB234699A (en) 1924-10-21 1924-10-21 Improvements in valve for rock drills

Publications (1)

Publication Number Publication Date
GB234699A true GB234699A (en) 1925-06-04

Family

ID=10221286

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2504324A Expired GB234699A (en) 1924-10-21 1924-10-21 Improvements in valve for rock drills

Country Status (1)

Country Link
GB (1) GB234699A (en)

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