FR664001A - Perfectionnements aux perforatrices de roche - Google Patents

Perfectionnements aux perforatrices de roche

Info

Publication number
FR664001A
FR664001A FR664001DA FR664001A FR 664001 A FR664001 A FR 664001A FR 664001D A FR664001D A FR 664001DA FR 664001 A FR664001 A FR 664001A
Authority
FR
France
Prior art keywords
rock drill
drill
rock
drill improvements
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)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR664001A publication Critical patent/FR664001A/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
    • B25D17/26—Lubricating
    • B25D17/265—Lubricating the lubricant being entrained to the machine parts by the driving fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR664001D 1928-04-11 1928-11-15 Perfectionnements aux perforatrices de roche Expired FR664001A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US664001XA 1928-04-11 1928-04-11

Publications (1)

Publication Number Publication Date
FR664001A true FR664001A (fr) 1929-08-28

Family

ID=22069273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664001D Expired FR664001A (fr) 1928-04-11 1928-11-15 Perfectionnements aux perforatrices de roche

Country Status (1)

Country Link
FR (1) FR664001A (fr)

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