GB675557A - Improvements in mining machines - Google Patents

Improvements in mining machines

Info

Publication number
GB675557A
GB675557A GB296949A GB296949A GB675557A GB 675557 A GB675557 A GB 675557A GB 296949 A GB296949 A GB 296949A GB 296949 A GB296949 A GB 296949A GB 675557 A GB675557 A GB 675557A
Authority
GB
United Kingdom
Prior art keywords
secured
machine
wedge
connector plate
plate
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
GB296949A
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.)
ALEXANDER MCGILP MUNRO
Mavor and Coulson Ltd
Original Assignee
ALEXANDER MCGILP MUNRO
Mavor and Coulson 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
Priority to BE500565D priority Critical patent/BE500565A/xx
Application filed by ALEXANDER MCGILP MUNRO, Mavor and Coulson Ltd filed Critical ALEXANDER MCGILP MUNRO
Priority to GB296949A priority patent/GB675557A/en
Priority to FR1030771D priority patent/FR1030771A/fr
Publication of GB675557A publication Critical patent/GB675557A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/02—Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Jib Cranes (AREA)
  • Crushing And Grinding (AREA)
  • Preliminary Treatment Of Fibers (AREA)
GB296949A 1949-02-03 1949-02-03 Improvements in mining machines Expired GB675557A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE500565D BE500565A (fr) 1949-02-03
GB296949A GB675557A (en) 1949-02-03 1949-02-03 Improvements in mining machines
FR1030771D FR1030771A (fr) 1949-02-03 1951-01-08 Perfectionnements aux machines d'extraction minières

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB296949A GB675557A (en) 1949-02-03 1949-02-03 Improvements in mining machines

Publications (1)

Publication Number Publication Date
GB675557A true GB675557A (en) 1952-07-16

Family

ID=9749436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB296949A Expired GB675557A (en) 1949-02-03 1949-02-03 Improvements in mining machines

Country Status (3)

Country Link
BE (1) BE500565A (fr)
FR (1) FR1030771A (fr)
GB (1) GB675557A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118128541A (zh) * 2024-05-06 2024-06-04 上海交通大学三亚崖州湾深海科技研究院 一种深海集矿管道周向位置调整自适应装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118128541A (zh) * 2024-05-06 2024-06-04 上海交通大学三亚崖州湾深海科技研究院 一种深海集矿管道周向位置调整自适应装置

Also Published As

Publication number Publication date
FR1030771A (fr) 1953-06-17
BE500565A (fr)

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