FR1532051A - Improvements to percussion tools - Google Patents

Improvements to percussion tools

Info

Publication number
FR1532051A
FR1532051A FR115252A FR115252A FR1532051A FR 1532051 A FR1532051 A FR 1532051A FR 115252 A FR115252 A FR 115252A FR 115252 A FR115252 A FR 115252A FR 1532051 A FR1532051 A FR 1532051A
Authority
FR
France
Prior art keywords
percussion tools
percussion
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
FR115252A
Other languages
French (fr)
Inventor
Edward James Nicholl
James Peter Surgett
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.)
Sonomotive Engineers Ltd
Original Assignee
Sonomotive Engineers Ltd
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 Sonomotive Engineers Ltd filed Critical Sonomotive Engineers Ltd
Priority to FR115252A priority Critical patent/FR1532051A/en
Application granted granted Critical
Publication of FR1532051A publication Critical patent/FR1532051A/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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • B25D9/125—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure driven directly by liquid pressure working with pulses

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR115252A 1967-07-21 1967-07-21 Improvements to percussion tools Expired FR1532051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR115252A FR1532051A (en) 1967-07-21 1967-07-21 Improvements to percussion tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR115252A FR1532051A (en) 1967-07-21 1967-07-21 Improvements to percussion tools

Publications (1)

Publication Number Publication Date
FR1532051A true FR1532051A (en) 1968-07-05

Family

ID=8635584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR115252A Expired FR1532051A (en) 1967-07-21 1967-07-21 Improvements to percussion tools

Country Status (1)

Country Link
FR (1) FR1532051A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370854A1 (en) * 1976-11-10 1978-06-09 Joy Mfg Co Air motor for pneumatic drill - has intermediate chamber under air pressure to seal cooling water inlet chambers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370854A1 (en) * 1976-11-10 1978-06-09 Joy Mfg Co Air motor for pneumatic drill - has intermediate chamber under air pressure to seal cooling water inlet chambers

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