FR508375A - Pneumatic hammer - Google Patents

Pneumatic hammer

Info

Publication number
FR508375A
FR508375A FR508375A FR508375DA FR508375A FR 508375 A FR508375 A FR 508375A FR 508375 A FR508375 A FR 508375A FR 508375D A FR508375D A FR 508375DA FR 508375 A FR508375 A FR 508375A
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
FR508375A
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.)
H DIRICK ET L LAPAILLE ETS
Original Assignee
H DIRICK ET L LAPAILLE 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 H DIRICK ET L LAPAILLE ETS filed Critical H DIRICK ET L LAPAILLE ETS
Application granted granted Critical
Publication of FR508375A publication Critical patent/FR508375A/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)
FR508375A 1920-01-13 1920-01-13 Pneumatic hammer Expired FR508375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR508375T 1920-01-13

Publications (1)

Publication Number Publication Date
FR508375A true FR508375A (en) 1920-10-08

Family

ID=8910329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR508375A Expired FR508375A (en) 1920-01-13 1920-01-13 Pneumatic hammer

Country Status (1)

Country Link
FR (1) FR508375A (en)

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