FR521247A - Marteau pneumatique - Google Patents

Marteau pneumatique

Info

Publication number
FR521247A
FR521247A FR521247A FR521247DA FR521247A FR 521247 A FR521247 A FR 521247A FR 521247 A FR521247 A FR 521247A FR 521247D A FR521247D A FR 521247DA FR 521247 A FR521247 A FR 521247A
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
FR521247A
Other languages
English (en)
Inventor
Ernesto Curti
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 FR521247A publication Critical patent/FR521247A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR521247A 1919-07-30 1920-07-27 Marteau pneumatique Expired FR521247A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT521247X 1919-07-30

Publications (1)

Publication Number Publication Date
FR521247A true FR521247A (fr) 1921-07-08

Family

ID=11276407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521247A Expired FR521247A (fr) 1919-07-30 1920-07-27 Marteau pneumatique

Country Status (1)

Country Link
FR (1) FR521247A (fr)

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