GB812204A - Improvements in scraper boxes - Google Patents

Improvements in scraper boxes

Info

Publication number
GB812204A
GB812204A GB32781/56A GB3278156A GB812204A GB 812204 A GB812204 A GB 812204A GB 32781/56 A GB32781/56 A GB 32781/56A GB 3278156 A GB3278156 A GB 3278156A GB 812204 A GB812204 A GB 812204A
Authority
GB
United Kingdom
Prior art keywords
scraper
boxes
recess
chain
box
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
GB32781/56A
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.)
Mannesmann Demag AG
Original Assignee
Demag AG
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 Demag AG filed Critical Demag AG
Publication of GB812204A publication Critical patent/GB812204A/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
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/42—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements combined with scraper or collector box

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)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

812,204. Scraper boxes. DEMAG A. G. Oct. 26, 1956 [Nov. 7, 1955], No. 32781/56. Class 68(1) [Also in Group XXX] Scraper boxes are interconnected by chains which are attached by securing the end link 10, Fig. 2, in a recess 11 in the side or top of the box. The recess may extend right through the wall, in which case it is closed by a plate 16 and spacer 18, Fig. 3, preferably secured by welding. As shown, the chain is secured by a bolt and nut 15, 17. Several recesses 11 may be provided to allow the chain to be attached at different points on the box.
GB32781/56A 1955-11-07 1956-10-26 Improvements in scraper boxes Expired GB812204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE812204X 1955-11-07

Publications (1)

Publication Number Publication Date
GB812204A true GB812204A (en) 1959-04-22

Family

ID=6729831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32781/56A Expired GB812204A (en) 1955-11-07 1956-10-26 Improvements in scraper boxes

Country Status (1)

Country Link
GB (1) GB812204A (en)

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