GB298064A - Improvements in, and relating to, valve apparatus for rock drills and like fluid pressure operated tools - Google Patents

Improvements in, and relating to, valve apparatus for rock drills and like fluid pressure operated tools

Info

Publication number
GB298064A
GB298064A GB1660128A GB1660128A GB298064A GB 298064 A GB298064 A GB 298064A GB 1660128 A GB1660128 A GB 1660128A GB 1660128 A GB1660128 A GB 1660128A GB 298064 A GB298064 A GB 298064A
Authority
GB
United Kingdom
Prior art keywords
relating
fluid pressure
valve apparatus
pressure operated
operated tools
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
GB1660128A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1660128A priority Critical patent/GB298064A/en
Publication of GB298064A publication Critical patent/GB298064A/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
    • B25D9/24—Valve arrangements therefor involving a rocking-plate type valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB1660128A 1928-06-07 1928-06-07 Improvements in, and relating to, valve apparatus for rock drills and like fluid pressure operated tools Expired GB298064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1660128A GB298064A (en) 1928-06-07 1928-06-07 Improvements in, and relating to, valve apparatus for rock drills and like fluid pressure operated tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1660128A GB298064A (en) 1928-06-07 1928-06-07 Improvements in, and relating to, valve apparatus for rock drills and like fluid pressure operated tools

Publications (1)

Publication Number Publication Date
GB298064A true GB298064A (en) 1928-10-04

Family

ID=10080257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1660128A Expired GB298064A (en) 1928-06-07 1928-06-07 Improvements in, and relating to, valve apparatus for rock drills and like fluid pressure operated tools

Country Status (1)

Country Link
GB (1) GB298064A (en)

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