CH551562A - METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD. - Google Patents

METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD.

Info

Publication number
CH551562A
CH551562A CH1119572A CH1119572A CH551562A CH 551562 A CH551562 A CH 551562A CH 1119572 A CH1119572 A CH 1119572A CH 1119572 A CH1119572 A CH 1119572A CH 551562 A CH551562 A CH 551562A
Authority
CH
Switzerland
Prior art keywords
controlling
rock cutter
speed forwarding
forwarding
rock
Prior art date
Application number
CH1119572A
Other languages
German (de)
Original Assignee
Anglo Transvaal Cons Invest
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 Anglo Transvaal Cons Invest filed Critical Anglo Transvaal Cons Invest
Publication of CH551562A publication Critical patent/CH551562A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral

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)
  • Earth Drilling (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Percussive Tools And Related Accessories (AREA)
CH1119572A 1971-07-29 1972-07-27 METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD. CH551562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA715063A ZA715063B (en) 1971-07-29 1971-07-29 Control mechanism for rock cutting equipment

Publications (1)

Publication Number Publication Date
CH551562A true CH551562A (en) 1974-07-15

Family

ID=25563705

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1119572A CH551562A (en) 1971-07-29 1972-07-27 METHOD OF CONTROLLING THE SPEED FORWARDING A ROCK CUTTER AND DEVICE FOR PERFORMING THE METHOD.

Country Status (10)

Country Link
US (1) US3778106A (en)
AU (1) AU463350B2 (en)
CA (1) CA982254A (en)
CH (1) CH551562A (en)
DE (1) DE2237213A1 (en)
FR (1) FR2147340B1 (en)
GB (1) GB1394168A (en)
NO (1) NO131360C (en)
SE (1) SE397209B (en)
ZA (1) ZA715063B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477219A1 (en) * 1980-01-11 1981-09-04 Coal Industry Patents Ltd SENSITIVE SLICING TOOL HOLDER AND ASSEMBLY FOR THE MINE MACHINE

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503340B2 (en) * 1975-01-28 1978-09-21 Wirth Co Kg Masch Bohr Method and device for drive control of drill heads, in particular for large hole drilling machines
US4070064A (en) * 1976-06-04 1978-01-24 Caterpillar Tractor Co. Cooling system for rock ripper tip
USRE31164E (en) * 1976-06-04 1983-03-01 Caterpillar Tractor Co. Cooling system for rock ripper tip
JPS5632512A (en) * 1979-08-24 1981-04-02 Sumitomo Chem Co Ltd Production of polypropylene having improved stretchability
US6203113B1 (en) * 1997-12-09 2001-03-20 Nick Wendel Cutting drum with percussive bits

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1283618A (en) * 1917-03-15 1918-11-05 Oliver Oscar App Excavating-machine.
US2218528A (en) * 1937-03-05 1940-10-22 Colson J Endsley Percussion drill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477219A1 (en) * 1980-01-11 1981-09-04 Coal Industry Patents Ltd SENSITIVE SLICING TOOL HOLDER AND ASSEMBLY FOR THE MINE MACHINE

Also Published As

Publication number Publication date
NO131360B (en) 1975-02-03
FR2147340B1 (en) 1976-10-29
AU4492972A (en) 1974-02-07
AU463350B2 (en) 1975-07-24
FR2147340A1 (en) 1973-03-09
US3778106A (en) 1973-12-11
NO131360C (en) 1975-05-14
ZA715063B (en) 1972-09-27
DE2237213A1 (en) 1973-02-08
CA982254A (en) 1976-01-20
GB1394168A (en) 1975-05-14
SE397209B (en) 1977-10-24

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Legal Events

Date Code Title Description
PL Patent ceased