FR564965A - Pneumatic hammer - Google Patents

Pneumatic hammer

Info

Publication number
FR564965A
FR564965A FR564965DA FR564965A FR 564965 A FR564965 A FR 564965A FR 564965D A FR564965D A FR 564965DA FR 564965 A FR564965 A FR 564965A
Authority
FR
France
Prior art keywords
pneumatic hammer
hammer
pneumatic
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)
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.)
FRANCOIS ETS
Original Assignee
FRANCOIS ETS
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 FRANCOIS ETS filed Critical FRANCOIS ETS
Application granted granted Critical
Publication of FR564965A publication Critical patent/FR564965A/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
    • B25D2209/005—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 coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR564965D 1922-06-27 1923-04-10 Pneumatic hammer Expired FR564965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE564965X 1922-06-27

Publications (1)

Publication Number Publication Date
FR564965A true FR564965A (en) 1924-01-16

Family

ID=3872890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564965D Expired FR564965A (en) 1922-06-27 1923-04-10 Pneumatic hammer

Country Status (1)

Country Link
FR (1) FR564965A (en)

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