FR405255A - Marteau pneumatique - Google Patents

Marteau pneumatique

Info

Publication number
FR405255A
FR405255A FR405255DA FR405255A FR 405255 A FR405255 A FR 405255A FR 405255D A FR405255D A FR 405255DA FR 405255 A FR405255 A FR 405255A
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
English (en)
Inventor
Charles Schofield
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 FR405255A publication Critical patent/FR405255A/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
    • 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)
FR405255D 1908-09-23 1909-07-20 Marteau pneumatique Expired FR405255A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB405255X 1908-09-23

Publications (1)

Publication Number Publication Date
FR405255A true FR405255A (fr) 1909-12-24

Family

ID=1449751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR405255D Expired FR405255A (fr) 1908-09-23 1909-07-20 Marteau pneumatique

Country Status (1)

Country Link
FR (1) FR405255A (fr)

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