GB887414A - A plough-like machine for winning and/or loading coal - Google Patents

A plough-like machine for winning and/or loading coal

Info

Publication number
GB887414A
GB887414A GB20758/58A GB2075858A GB887414A GB 887414 A GB887414 A GB 887414A GB 20758/58 A GB20758/58 A GB 20758/58A GB 2075858 A GB2075858 A GB 2075858A GB 887414 A GB887414 A GB 887414A
Authority
GB
United Kingdom
Prior art keywords
plough
winning
machine
loading coal
cylinder
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
GB20758/58A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB887414A publication Critical patent/GB887414A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/46—Mineral freed by means not involving slitting by percussed planing means

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)
  • Manufacturing And Processing Devices For Dough (AREA)

Abstract

887,414. Mineral-mining machines. GEWERSCHAFT EISENHUTTE WESTFALIA. June 27, 1958 [July 15, 1957], No. 20758/58. Class 68(1). Part of a plough body 11 serves as a guide beam to embrace a guide rail extending along the face side of a conveyer 10, whilst in another part of the body is reciprocably housed a vibrator 17 consisting of a piston freely slidable in a cylinder itself having limited axial movement in the body, and having at one or both ends picks 18 projecting out off the body. Pre-tensioned springs 19 act between the cylinder and the body.
GB20758/58A 1957-07-15 1958-06-27 A plough-like machine for winning and/or loading coal Expired GB887414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE887414X 1957-07-15

Publications (1)

Publication Number Publication Date
GB887414A true GB887414A (en) 1962-01-17

Family

ID=6833795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20758/58A Expired GB887414A (en) 1957-07-15 1958-06-27 A plough-like machine for winning and/or loading coal

Country Status (1)

Country Link
GB (1) GB887414A (en)

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