FR356475A - Improvements to pneumatic hammers and similar tools - Google Patents

Improvements to pneumatic hammers and similar tools

Info

Publication number
FR356475A
FR356475A FR356475DA FR356475A FR 356475 A FR356475 A FR 356475A FR 356475D A FR356475D A FR 356475DA FR 356475 A FR356475 A FR 356475A
Authority
FR
France
Prior art keywords
similar tools
pneumatic hammers
hammers
pneumatic
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
Other languages
French (fr)
Inventor
John Wilbur Tierney
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
Application granted granted Critical
Publication of FR356475A publication Critical patent/FR356475A/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)
FR356475D 1905-07-12 1905-07-12 Improvements to pneumatic hammers and similar tools Expired FR356475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR356475T 1905-07-12

Publications (1)

Publication Number Publication Date
FR356475A true FR356475A (en) 1905-11-30

Family

ID=1404431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR356475D Expired FR356475A (en) 1905-07-12 1905-07-12 Improvements to pneumatic hammers and similar tools

Country Status (1)

Country Link
FR (1) FR356475A (en)

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