GB1350658A - Loading cowls for mineral mining machines - Google Patents

Loading cowls for mineral mining machines

Info

Publication number
GB1350658A
GB1350658A GB1350658DA GB1350658A GB 1350658 A GB1350658 A GB 1350658A GB 1350658D A GB1350658D A GB 1350658DA GB 1350658 A GB1350658 A GB 1350658A
Authority
GB
United Kingdom
Prior art keywords
sheet
loading
mining machines
june
cowls
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
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
Publication of GB1350658A publication Critical patent/GB1350658A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21C25/14—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate with equipment for cleaning the slit
    • E21C25/145—Cowls

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)
  • Combined Means For Separation Of Solids (AREA)

Abstract

1350658 Mineral-mining machines COAL INDUSTRY (PATENTS) Ltd 9 June 1972 [18 June 1971] 28636/71 Heading E1F A loading cowl for association with a rotary cutter drum of a mining machine comprises a curved metal sheet 1 backed by a layer of plastics 5 in turn backed by a metal earthing screen. The sheet and the screen are bonded to the preferably ribbed layer 5 and the spaces between the ribs contain rigid polyurethane foam material. Projections can extend radially outwards from the back of the sheet 1. In another embodiment, Figs. 5 and 6 (not shown) two dust-suppressing spray blocks are inserted in recesses in the rear of the cowl, the sheet 1 having two corresponding series of holes.
GB1350658D 1971-06-18 1971-06-18 Loading cowls for mineral mining machines Expired GB1350658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2863671 1971-06-18

Publications (1)

Publication Number Publication Date
GB1350658A true GB1350658A (en) 1974-04-18

Family

ID=10278730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1350658D Expired GB1350658A (en) 1971-06-18 1971-06-18 Loading cowls for mineral mining machines

Country Status (1)

Country Link
GB (1) GB1350658A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133956A1 (en) * 1981-08-27 1983-03-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen CUTTING ROLLER WITH CONTROL EQUIPMENT
DE3413392A1 (en) * 1984-04-10 1985-10-24 Krampe & Co Fertigung in Bergbaubedarf GmbH, Zweigniederlassung Pelkum, 4700 Hamm Shearing drum
DE3527786C1 (en) * 1985-08-02 1987-01-22 Krampe & Co Cowl holder for a shearer drum
GB2214207A (en) * 1988-01-09 1989-08-31 Green & Bingham Limited Cowl device for mining machinery
GB2490245A (en) * 2011-04-22 2012-10-24 Joy Mm Delaware Inc Longwall shearer material guide

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133956A1 (en) * 1981-08-27 1983-03-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen CUTTING ROLLER WITH CONTROL EQUIPMENT
DE3413392A1 (en) * 1984-04-10 1985-10-24 Krampe & Co Fertigung in Bergbaubedarf GmbH, Zweigniederlassung Pelkum, 4700 Hamm Shearing drum
DE3527786C1 (en) * 1985-08-02 1987-01-22 Krampe & Co Cowl holder for a shearer drum
GB2214207A (en) * 1988-01-09 1989-08-31 Green & Bingham Limited Cowl device for mining machinery
GB2214207B (en) * 1988-01-09 1991-12-04 Green & Bingham Limited Cowl device for mining machinery
GB2490245A (en) * 2011-04-22 2012-10-24 Joy Mm Delaware Inc Longwall shearer material guide
US8899693B2 (en) 2011-04-22 2014-12-02 Joy Mm Delaware, Inc. Material guide assembly

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees