FR1030771A - Improvements to mining machinery - Google Patents

Improvements to mining machinery

Info

Publication number
FR1030771A
FR1030771A FR1030771DA FR1030771A FR 1030771 A FR1030771 A FR 1030771A FR 1030771D A FR1030771D A FR 1030771DA FR 1030771 A FR1030771 A FR 1030771A
Authority
FR
France
Prior art keywords
mining machinery
mining
machinery
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
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.)
Mavor and Coulson Ltd
Original Assignee
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
Application filed by Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR1030771A publication Critical patent/FR1030771A/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)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Jib Cranes (AREA)
  • Crushing And Grinding (AREA)
FR1030771D 1949-02-03 1951-01-08 Improvements to mining machinery Expired FR1030771A (en)

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
FR1030771A true FR1030771A (en) 1953-06-17

Family

ID=9749436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1030771D Expired FR1030771A (en) 1949-02-03 1951-01-08 Improvements to mining machinery

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118128541B (en) * 2024-05-06 2024-08-20 上海交通大学三亚崖州湾深海科技研究院 Circumferential position adjustment self-adaptive device for deep sea ore collecting pipeline

Also Published As

Publication number Publication date
GB675557A (en) 1952-07-16
BE500565A (en)

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