FR921077A - Perfectionnements aux marteaux pneumatiques monofrappes - Google Patents

Perfectionnements aux marteaux pneumatiques monofrappes

Info

Publication number
FR921077A
FR921077A FR921077DA FR921077A FR 921077 A FR921077 A FR 921077A FR 921077D A FR921077D A FR 921077DA FR 921077 A FR921077 A FR 921077A
Authority
FR
France
Prior art keywords
pneumatic hammers
strike
strike pneumatic
hammers
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-Auguste Maire
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
Application granted granted Critical
Publication of FR921077A publication Critical patent/FR921077A/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
    • B25D9/08—Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR921077D 1945-10-24 1945-10-24 Perfectionnements aux marteaux pneumatiques monofrappes Expired FR921077A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR921077T 1945-10-24

Publications (1)

Publication Number Publication Date
FR921077A true FR921077A (fr) 1947-04-25

Family

ID=9433351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR921077D Expired FR921077A (fr) 1945-10-24 1945-10-24 Perfectionnements aux marteaux pneumatiques monofrappes

Country Status (1)

Country Link
FR (1) FR921077A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308922A (en) * 1978-07-06 1982-01-05 Vikhlyaev Alexandr A Impact device
US20160288307A1 (en) * 2015-03-30 2016-10-06 Jhih Jhong Lin Automatic Air Inrtake Device for Pneumatic Tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308922A (en) * 1978-07-06 1982-01-05 Vikhlyaev Alexandr A Impact device
US20160288307A1 (en) * 2015-03-30 2016-10-06 Jhih Jhong Lin Automatic Air Inrtake Device for Pneumatic Tool

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