GB989702A - Improvements in and relating to mining machines - Google Patents

Improvements in and relating to mining machines

Info

Publication number
GB989702A
GB989702A GB1543263A GB1543263A GB989702A GB 989702 A GB989702 A GB 989702A GB 1543263 A GB1543263 A GB 1543263A GB 1543263 A GB1543263 A GB 1543263A GB 989702 A GB989702 A GB 989702A
Authority
GB
United Kingdom
Prior art keywords
mining machines
relating
borer
april
mineral
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
GB1543263A
Inventor
Cyril Treharne Jones
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.)
Crawley Industrial Products Ltd
Original Assignee
Crawley Industrial Products 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 Crawley Industrial Products Ltd filed Critical Crawley Industrial Products Ltd
Priority to GB1543263A priority Critical patent/GB989702A/en
Publication of GB989702A publication Critical patent/GB989702A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • E21C27/22Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type

Abstract

989,702. Mineral-mining machines. CRAWLEY INDUSTRIAL PRODUCTS Ltd. April 9, 1964 [April 19, 1963], No. 15432/63. Heading E1F. The cutter head of a mineral-mining machine comprises one or more forwardly directed rotary borers 2 and one or more rotary cutters 3 located rearwardly of and extending laterally of the or each borer so that the borer(s) and cutter(s) have a conjoint cutting outline enveloping the cross-sectional outline of the rest of the machine behind the cutter head. A number of preferred embodiments are described.
GB1543263A 1963-04-19 1963-04-19 Improvements in and relating to mining machines Expired GB989702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1543263A GB989702A (en) 1963-04-19 1963-04-19 Improvements in and relating to mining machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1543263A GB989702A (en) 1963-04-19 1963-04-19 Improvements in and relating to mining machines

Publications (1)

Publication Number Publication Date
GB989702A true GB989702A (en) 1965-04-22

Family

ID=10059028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1543263A Expired GB989702A (en) 1963-04-19 1963-04-19 Improvements in and relating to mining machines

Country Status (1)

Country Link
GB (1) GB989702A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390211A (en) * 1979-06-29 1983-06-28 Thompson Thomas M Continuous miner with cutter assembly attitude adjustment
GB2136857A (en) * 1983-03-24 1984-09-26 Coaltex Scoop miner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390211A (en) * 1979-06-29 1983-06-28 Thompson Thomas M Continuous miner with cutter assembly attitude adjustment
GB2136857A (en) * 1983-03-24 1984-09-26 Coaltex Scoop miner

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