PL229378A1 - - Google Patents

Info

Publication number
PL229378A1
PL229378A1 PL22937881A PL22937881A PL229378A1 PL 229378 A1 PL229378 A1 PL 229378A1 PL 22937881 A PL22937881 A PL 22937881A PL 22937881 A PL22937881 A PL 22937881A PL 229378 A1 PL229378 A1 PL 229378A1
Authority
PL
Poland
Application number
PL22937881A
Inventor
Jose A G Alonso
Vicente L Cabal
Enrique E Martinez
Original Assignee
Empresa Nac Hulleras Norte
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 Empresa Nac Hulleras Norte filed Critical Empresa Nac Hulleras Norte
Publication of PL229378A1 publication Critical patent/PL229378A1/xx

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
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • E21C31/04—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices imparting both a rotary and reciprocating motion

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Disintegrating Or Milling (AREA)
  • Earth Drilling (AREA)
PL22937881A 1980-01-24 1981-01-24 PL229378A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES487984A ES8104489A1 (es) 1980-01-24 1980-01-24 Maquina rozadora para explotaciones mineras

Publications (1)

Publication Number Publication Date
PL229378A1 true PL229378A1 (es) 1981-09-04

Family

ID=8479677

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22937881A PL229378A1 (es) 1980-01-24 1981-01-24

Country Status (5)

Country Link
DE (1) DE3102179C2 (es)
ES (1) ES8104489A1 (es)
FR (1) FR2482182B1 (es)
GB (1) GB2068041B (es)
PL (1) PL229378A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3718478A1 (de) * 1987-06-02 1988-12-22 G Pk Exi Ugolnogo Mash Kohlengewinnungsaggregat fuer steiles einfallen
ES2082714B1 (es) * 1993-12-27 1998-04-01 E N Hulleras Del Norte S A Mejoras en maquinas rozadoras para explotaciones mineras.
CN102877841B (zh) * 2012-09-07 2015-05-20 山西晋煤集团金鼎煤机矿业有限责任公司 滚筒式采煤机摇臂
CN104295297B (zh) * 2014-09-16 2016-08-24 三一重型装备有限公司 一种掘进机截割头定位系统及方法和掘进机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB723106A (en) * 1951-07-02 1955-02-02 Coal Industry Patents Ltd Improvements in mining machines
GB1039658A (en) * 1962-07-20 1966-08-17 Coal Industry Patents Ltd Improvements in longwall mining machines
FR1370781A (fr) * 1963-07-17 1964-08-28 Houilleres Bassin Du Nord Machine d'abatage et de chargement, plus spécialement destinée aux tailles longues sensiblement en plateure
DE2113399C3 (de) * 1971-03-19 1973-10-04 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Walzenschrämmaschine
DE2552085C3 (de) * 1975-11-20 1988-02-11 Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Walzenschrämmaschine
DE2754862C2 (de) * 1977-12-09 1981-10-01 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Walzenschrämmaschine, insbesondere für niedrige Flöze
DE2808915C2 (de) * 1978-03-02 1982-07-29 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Walzenschrämmaschine für den Untertagebergbau
GB1570255A (en) * 1978-05-12 1980-06-25 Dresser Europe Sa End cutting unit for a mining machine

Also Published As

Publication number Publication date
FR2482182B1 (fr) 1986-08-22
DE3102179A1 (de) 1982-01-07
GB2068041A (en) 1981-08-05
GB2068041B (en) 1985-01-09
FR2482182A1 (fr) 1981-11-13
ES487984A0 (es) 1980-12-16
ES8104489A1 (es) 1980-12-16
DE3102179C2 (de) 1985-10-10

Similar Documents

Publication Publication Date Title
FR2473621B1 (es)
FR2474883B1 (es)
CH663511GA3 (es)
DE3153460A1 (es)
FR2473396B1 (es)
DE3152204T1 (es)
FR2473422B1 (es)
FR2483365B1 (es)
DE3050962A1 (es)
DE3153680A1 (es)
FR2472955B1 (es)
FR2473559B1 (es)
DE3050253T1 (es)
FR2473201B3 (es)
FR2473104B3 (es)
FR2473091B1 (es)
CH655525B (es)
FR2481057B1 (es)
FR2473469B1 (es)
FR2492236B1 (es)
FR2473161B1 (es)
CH641627GA3 (es)
FR2473480B1 (es)
FR2473501B1 (es)
FR2473228B1 (es)