FR1508154A - Safety pin mine drill - Google Patents

Safety pin mine drill

Info

Publication number
FR1508154A
FR1508154A FR79906A FR79906A FR1508154A FR 1508154 A FR1508154 A FR 1508154A FR 79906 A FR79906 A FR 79906A FR 79906 A FR79906 A FR 79906A FR 1508154 A FR1508154 A FR 1508154A
Authority
FR
France
Prior art keywords
safety pin
mine drill
pin mine
drill
safety
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
FR79906A
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.)
National Mine Service Co
Original Assignee
National Mine Service 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 National Mine Service Co filed Critical National Mine Service Co
Application granted granted Critical
Publication of FR1508154A publication Critical patent/FR1508154A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR79906A 1965-12-10 1966-10-13 Safety pin mine drill Expired FR1508154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US512893A US3376072A (en) 1965-12-10 1965-12-10 Boring type mining machine having mechanically driven horizontal rotary trimmer bars

Publications (1)

Publication Number Publication Date
FR1508154A true FR1508154A (en) 1968-01-05

Family

ID=24041058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR79906A Expired FR1508154A (en) 1965-12-10 1966-10-13 Safety pin mine drill

Country Status (2)

Country Link
US (1) US3376072A (en)
FR (1) FR1508154A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316635A (en) * 1980-05-27 1982-02-23 National Mine Service Company Extensible and retraciable rotor arm cutting assembly
US4339153A (en) * 1980-06-16 1982-07-13 National Mine Service Company Apparatus for extending and retracting the cutter bars of a boring type mining machine
DE202011050146U1 (en) * 2011-05-16 2012-08-23 Caterpillar Global Mining Europe Gmbh Device for the milling of rocks, minerals or other materials
DE202011050144U1 (en) * 2011-05-16 2012-08-17 Caterpillar Global Mining Europe Gmbh Device for the milling of rocks, minerals or other materials
EP3688284B1 (en) * 2017-09-29 2021-08-18 Sandvik Intellectual Property AB Cutting drum for borer miner

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866626A (en) * 1958-12-30 Mining machine provided with adjustable cutting means
US2823023A (en) * 1956-11-01 1958-02-11 Goodman Mfg Co Boring type mining machine having horizontally extending trimmer bar
US2868528A (en) * 1957-06-11 1959-01-13 Goodman Mfg Co Boring type mining machine having drum type cusp cutter

Also Published As

Publication number Publication date
US3376072A (en) 1968-04-02

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