FR2213838A1 - - Google Patents

Info

Publication number
FR2213838A1
FR2213838A1 FR7301814A FR7301814A FR2213838A1 FR 2213838 A1 FR2213838 A1 FR 2213838A1 FR 7301814 A FR7301814 A FR 7301814A FR 7301814 A FR7301814 A FR 7301814A FR 2213838 A1 FR2213838 A1 FR 2213838A1
Authority
FR
France
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.)
Granted
Application number
FR7301814A
Other versions
FR2213838B1 (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.)
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
Priority to FR7301814A priority Critical patent/FR2213838B1/fr
Publication of FR2213838A1 publication Critical patent/FR2213838A1/fr
Application granted granted Critical
Publication of FR2213838B1 publication Critical patent/FR2213838B1/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
    • B25D9/06—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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR7301814A 1973-01-15 1973-01-15 Expired FR2213838B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7301814A FR2213838B1 (fr) 1973-01-15 1973-01-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301814A FR2213838B1 (fr) 1973-01-15 1973-01-15

Publications (2)

Publication Number Publication Date
FR2213838A1 true FR2213838A1 (fr) 1974-08-09
FR2213838B1 FR2213838B1 (fr) 1977-02-04

Family

ID=9113518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301814A Expired FR2213838B1 (fr) 1973-01-15 1973-01-15

Country Status (1)

Country Link
FR (1) FR2213838B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231038C (fr) *
FR1325663A (fr) * 1962-02-27 1963-05-03 John Lynn & Co Ltd Outils de percussion
GB1254379A (en) * 1969-03-28 1971-11-24 Rolf-Ake Edstrom An hydraulic hammer drill

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231038C (fr) *
FR1325663A (fr) * 1962-02-27 1963-05-03 John Lynn & Co Ltd Outils de percussion
GB1254379A (en) * 1969-03-28 1971-11-24 Rolf-Ake Edstrom An hydraulic hammer drill

Also Published As

Publication number Publication date
FR2213838B1 (fr) 1977-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse