FR416343A - Perfectionnements dans les marteaux pneumatiques pour la perforation des roches - Google Patents

Perfectionnements dans les marteaux pneumatiques pour la perforation des roches

Info

Publication number
FR416343A
FR416343A FR416343DA FR416343A FR 416343 A FR416343 A FR 416343A FR 416343D A FR416343D A FR 416343DA FR 416343 A FR416343 A FR 416343A
Authority
FR
France
Prior art keywords
rock drilling
pneumatic hammers
hammers
pneumatic
rock
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
Maurice Cheronnet
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.)
MAURICE CHERONNET
Original Assignee
MAURICE CHERONNET
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 MAURICE CHERONNET filed Critical MAURICE CHERONNET
Application granted granted Critical
Publication of FR416343A publication Critical patent/FR416343A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR416343D 1910-05-24 1910-05-24 Perfectionnements dans les marteaux pneumatiques pour la perforation des roches Expired FR416343A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR416343T 1910-05-24

Publications (1)

Publication Number Publication Date
FR416343A true FR416343A (fr) 1910-10-17

Family

ID=1459851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416343D Expired FR416343A (fr) 1910-05-24 1910-05-24 Perfectionnements dans les marteaux pneumatiques pour la perforation des roches

Country Status (1)

Country Link
FR (1) FR416343A (fr)

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