FR712854A - Distribution à soupape pour outils à air comprimé, marteaux-perforateurs, etc. - Google Patents

Distribution à soupape pour outils à air comprimé, marteaux-perforateurs, etc.

Info

Publication number
FR712854A
FR712854A FR712854DA FR712854A FR 712854 A FR712854 A FR 712854A FR 712854D A FR712854D A FR 712854DA FR 712854 A FR712854 A FR 712854A
Authority
FR
France
Prior art keywords
compressed air
valve timing
hammer drills
air tools
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
English (en)
Inventor
Charles Carlotti
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.)
HAPREMA
Original Assignee
HAPREMA
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 HAPREMA filed Critical HAPREMA
Application granted granted Critical
Publication of FR712854A publication Critical patent/FR712854A/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
    • B25D2209/007—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 not coaxial with the piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR712854D 1930-02-28 1931-02-27 Distribution à soupape pour outils à air comprimé, marteaux-perforateurs, etc. Expired FR712854A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE712854X 1930-02-28

Publications (1)

Publication Number Publication Date
FR712854A true FR712854A (fr) 1931-10-14

Family

ID=6622811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR712854D Expired FR712854A (fr) 1930-02-28 1931-02-27 Distribution à soupape pour outils à air comprimé, marteaux-perforateurs, etc.

Country Status (1)

Country Link
FR (1) FR712854A (fr)

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