FR1287778A - Perfectionnements aux machines à percussion telles que les marteaux perforateurs - Google Patents

Perfectionnements aux machines à percussion telles que les marteaux perforateurs

Info

Publication number
FR1287778A
FR1287778A FR859000A FR859000A FR1287778A FR 1287778 A FR1287778 A FR 1287778A FR 859000 A FR859000 A FR 859000A FR 859000 A FR859000 A FR 859000A FR 1287778 A FR1287778 A FR 1287778A
Authority
FR
France
Prior art keywords
hammer drills
percussion machines
percussion
machines
drills
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
FR859000A
Other languages
English (en)
Inventor
Gustav Albert Bergman
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 filed Critical
Priority to FR859000A priority Critical patent/FR1287778A/fr
Application granted granted Critical
Publication of FR1287778A publication Critical patent/FR1287778A/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
    • B25D9/10—Means for driving the impulse member comprising a built-in internal-combustion engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
FR859000A 1961-04-17 1961-04-17 Perfectionnements aux machines à percussion telles que les marteaux perforateurs Expired FR1287778A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR859000A FR1287778A (fr) 1961-04-17 1961-04-17 Perfectionnements aux machines à percussion telles que les marteaux perforateurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR859000A FR1287778A (fr) 1961-04-17 1961-04-17 Perfectionnements aux machines à percussion telles que les marteaux perforateurs

Publications (1)

Publication Number Publication Date
FR1287778A true FR1287778A (fr) 1962-03-16

Family

ID=8753237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859000A Expired FR1287778A (fr) 1961-04-17 1961-04-17 Perfectionnements aux machines à percussion telles que les marteaux perforateurs

Country Status (1)

Country Link
FR (1) FR1287778A (fr)

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