CA1110283A - Methode et dispositif d'extraction miniere, notamment pour l'abattage des veines de charbon - Google Patents

Methode et dispositif d'extraction miniere, notamment pour l'abattage des veines de charbon

Info

Publication number
CA1110283A
CA1110283A CA324,901A CA324901A CA1110283A CA 1110283 A CA1110283 A CA 1110283A CA 324901 A CA324901 A CA 324901A CA 1110283 A CA1110283 A CA 1110283A
Authority
CA
Canada
Prior art keywords
bits
bit
mining
freely rotatable
cutter
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
CA324,901A
Other languages
English (en)
Inventor
Donald L. Leibee
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.)
Kennametal Inc
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Application granted granted Critical
Publication of CA1110283A publication Critical patent/CA1110283A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • B28D1/181—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools using cutters loosely mounted on a turning tool support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21C25/10—Rods; Drums
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face
CA324,901A 1978-04-10 1979-04-04 Methode et dispositif d'extraction miniere, notamment pour l'abattage des veines de charbon Expired CA1110283A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89473678A 1978-04-10 1978-04-10
US894,736 1978-04-10

Publications (1)

Publication Number Publication Date
CA1110283A true CA1110283A (fr) 1981-10-06

Family

ID=25403468

Family Applications (1)

Application Number Title Priority Date Filing Date
CA324,901A Expired CA1110283A (fr) 1978-04-10 1979-04-04 Methode et dispositif d'extraction miniere, notamment pour l'abattage des veines de charbon

Country Status (5)

Country Link
AU (1) AU524549B2 (fr)
CA (1) CA1110283A (fr)
DE (1) DE2914569C2 (fr)
FR (1) FR2422814A1 (fr)
GB (1) GB2018861B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003840A1 (de) 2005-01-27 2006-08-10 Bechem, Ulrich Vorrichtung zum fräsen von Gestein und anderen Materialien
CN102162264A (zh) * 2011-02-28 2011-08-24 中交天津航道局有限公司 一种绞吸船在珊蝴礁、岩石施工中绞刀挖岩方法
EP2803817B1 (fr) * 2013-05-13 2019-02-27 Caterpillar Global Mining Europe GmbH Dispositif de fraisage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE288984C (de) * 1915-05-01 1915-11-30 Walter Prager Schrämmaschine mit zwei rotierenden scheiben
US3343883A (en) * 1965-06-11 1967-09-26 Coal Industry Patents Ltd Rotary cutter units for longwall mineral mining machines

Also Published As

Publication number Publication date
GB2018861B (en) 1982-08-18
DE2914569C2 (de) 1984-02-23
DE2914569A1 (de) 1979-10-11
AU4595479A (en) 1979-10-18
GB2018861A (en) 1979-10-24
FR2422814B1 (fr) 1983-11-18
FR2422814A1 (fr) 1979-11-09
AU524549B2 (en) 1982-09-23

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Legal Events

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