FR809312A - Guide piece for punches - Google Patents

Guide piece for punches

Info

Publication number
FR809312A
FR809312A FR809312DA FR809312A FR 809312 A FR809312 A FR 809312A FR 809312D A FR809312D A FR 809312DA FR 809312 A FR809312 A FR 809312A
Authority
FR
France
Prior art keywords
punches
guide piece
piece
guide
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
French (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.)
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 FR809312A publication Critical patent/FR809312A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
FR809312D 1936-08-05 1936-08-10 Guide piece for punches Expired FR809312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21572/36A GB460952A (en) 1936-08-05 1936-08-05 Improvements in or relating to guide members for rock drills

Publications (1)

Publication Number Publication Date
FR809312A true FR809312A (en) 1937-03-01

Family

ID=56957182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809312D Expired FR809312A (en) 1936-08-05 1936-08-10 Guide piece for punches

Country Status (2)

Country Link
FR (1) FR809312A (en)
GB (1) GB460952A (en)

Also Published As

Publication number Publication date
GB460952A (en) 1937-02-08

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