FR351829A - Rotary rock hole punch with automatic adjustable differential feed - Google Patents

Rotary rock hole punch with automatic adjustable differential feed

Info

Publication number
FR351829A
FR351829A FR351829DA FR351829A FR 351829 A FR351829 A FR 351829A FR 351829D A FR351829D A FR 351829DA FR 351829 A FR351829 A FR 351829A
Authority
FR
France
Prior art keywords
hole punch
differential feed
automatic adjustable
rock hole
rotary 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
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.)
Siemens Schuckertwerke AG
Original Assignee
Siemens Schuckertwerke AG
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 Siemens Schuckertwerke AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR351829A publication Critical patent/FR351829A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus 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
    • E21B19/081Screw-and-nut feed mechanisms
FR351829D 1905-02-27 1905-02-27 Rotary rock hole punch with automatic adjustable differential feed Expired FR351829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR351829T 1905-02-27

Publications (1)

Publication Number Publication Date
FR351829A true FR351829A (en) 1905-07-26

Family

ID=1400112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR351829D Expired FR351829A (en) 1905-02-27 1905-02-27 Rotary rock hole punch with automatic adjustable differential feed

Country Status (1)

Country Link
FR (1) FR351829A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU641908B2 (en) * 1989-01-30 1993-10-07 Parker Hannifin Pak S.A. Process to create leak-proof connection for the resulting rigid rube and fittings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU641908B2 (en) * 1989-01-30 1993-10-07 Parker Hannifin Pak S.A. Process to create leak-proof connection for the resulting rigid rube and fittings

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