GB1462479A - Mining machines - Google Patents

Mining machines

Info

Publication number
GB1462479A
GB1462479A GB2262674A GB2262674A GB1462479A GB 1462479 A GB1462479 A GB 1462479A GB 2262674 A GB2262674 A GB 2262674A GB 2262674 A GB2262674 A GB 2262674A GB 1462479 A GB1462479 A GB 1462479A
Authority
GB
United Kingdom
Prior art keywords
arm
ram
operative position
towards
intermediate position
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
GB2262674A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB2262674A priority Critical patent/GB1462479A/en
Priority to DE19752519763 priority patent/DE2519763A1/de
Priority to US05/579,241 priority patent/US3984147A/en
Priority to PL1975180526A priority patent/PL97389B1/pl
Priority to FR7515628A priority patent/FR2272256B1/fr
Publication of GB1462479A publication Critical patent/GB1462479A/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate

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)
  • Sawing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
GB2262674A 1974-05-21 1974-05-21 Mining machines Expired GB1462479A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2262674A GB1462479A (en) 1974-05-21 1974-05-21 Mining machines
DE19752519763 DE2519763A1 (de) 1974-05-21 1975-05-02 Bergbau-gewinnungsmaschine
US05/579,241 US3984147A (en) 1974-05-21 1975-05-20 Mining machines with extensible probe arm
PL1975180526A PL97389B1 (pl) 1974-05-21 1975-05-20 Maszyna gornicza
FR7515628A FR2272256B1 (enExample) 1974-05-21 1975-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2262674A GB1462479A (en) 1974-05-21 1974-05-21 Mining machines

Publications (1)

Publication Number Publication Date
GB1462479A true GB1462479A (en) 1977-01-26

Family

ID=10182484

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2262674A Expired GB1462479A (en) 1974-05-21 1974-05-21 Mining machines

Country Status (5)

Country Link
US (1) US3984147A (enExample)
DE (1) DE2519763A1 (enExample)
FR (1) FR2272256B1 (enExample)
GB (1) GB1462479A (enExample)
PL (1) PL97389B1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111337883B (zh) * 2020-04-17 2022-02-08 中国矿业大学(北京) 一种矿井煤岩界面智能探测识别系统及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326827A (en) * 1940-04-15 1943-08-17 John R Beasley Coring apparatus
GB1142022A (en) * 1965-02-02 1969-02-05 Coal Industry Patents Ltd Horizon control of mining machines
GB1273334A (en) * 1970-01-15 1972-05-10 Coal Industry Patents Ltd Method of and apparatus for steering a longwall mineral mining machine
BE791168A (fr) * 1971-11-12 1973-05-09 Coal Industry Patents Ltd Appareil de direction d'une haveuse aux grands fronts de taille

Also Published As

Publication number Publication date
DE2519763A1 (de) 1975-12-04
US3984147A (en) 1976-10-05
PL97389B1 (pl) 1978-02-28
FR2272256A1 (enExample) 1975-12-19
FR2272256B1 (enExample) 1979-03-23

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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