GB1394168A - Control mechanism for rock cutting equipment - Google Patents

Control mechanism for rock cutting equipment

Info

Publication number
GB1394168A
GB1394168A GB3524172A GB3524172A GB1394168A GB 1394168 A GB1394168 A GB 1394168A GB 3524172 A GB3524172 A GB 3524172A GB 3524172 A GB3524172 A GB 3524172A GB 1394168 A GB1394168 A GB 1394168A
Authority
GB
United Kingdom
Prior art keywords
rotor
lamps
impact
signal
jet
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
GB3524172A
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.)
Anglo Transvaal Consolidated Investment Co Ltd
Original Assignee
Anglo Transvaal Consolidated Investment Co Ltd
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 Consolidated Investment Co Ltd filed Critical Anglo Transvaal Consolidated Investment Co Ltd
Publication of GB1394168A publication Critical patent/GB1394168A/en
Expired legal-status Critical Current

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
    • E21C35/302—Measuring, signaling or indicating 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)
  • Percussive Tools And Related Accessories (AREA)
  • Crushing And Pulverization Processes (AREA)
GB3524172A 1971-07-29 1972-07-27 Control mechanism for rock cutting equipment Expired GB1394168A (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
GB1394168A true GB1394168A (en) 1975-05-14

Family

ID=25563705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3524172A Expired GB1394168A (en) 1971-07-29 1972-07-27 Control mechanism for rock cutting equipment

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3031766A1 (de) * 1979-08-24 1981-03-26 Sumitomo Chemical Co., Ltd., Osaka Polypropylen mit verbesserter reckbarkeit bzw. verstreckbarkeit, verfahren zu seiner herstellung und seine verwendung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2503340B2 (de) * 1975-01-28 1978-09-21 Wirth Co Kg Masch Bohr Verfahren und Vorrichtung zur Antriebssteuerung von Bohrköpfen, insbesondere für Großlochbohrmaschinen
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
GB2087948B (en) * 1980-01-11 1983-07-13 Coal Industry Patents Ltd Holder assemblies for sensitised cutter tools on mining machines
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
DE3031766A1 (de) * 1979-08-24 1981-03-26 Sumitomo Chemical Co., Ltd., Osaka Polypropylen mit verbesserter reckbarkeit bzw. verstreckbarkeit, verfahren zu seiner herstellung und seine verwendung

Also Published As

Publication number Publication date
AU4492972A (en) 1974-02-07
SE397209B (sv) 1977-10-24
NO131360B (https=) 1975-02-03
DE2237213A1 (de) 1973-02-08
AU463350B2 (en) 1975-07-24
FR2147340A1 (https=) 1973-03-09
US3778106A (en) 1973-12-11
NO131360C (https=) 1975-05-14
CA982254A (en) 1976-01-20
FR2147340B1 (https=) 1976-10-29
CH551562A (de) 1974-07-15
ZA715063B (en) 1972-09-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee