DE3705254C2 - - Google Patents

Info

Publication number
DE3705254C2
DE3705254C2 DE19873705254 DE3705254A DE3705254C2 DE 3705254 C2 DE3705254 C2 DE 3705254C2 DE 19873705254 DE19873705254 DE 19873705254 DE 3705254 A DE3705254 A DE 3705254A DE 3705254 C2 DE3705254 C2 DE 3705254C2
Authority
DE
Germany
Prior art keywords
roller
tool
additional
additional roller
cutting
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
DE19873705254
Other languages
German (de)
English (en)
Other versions
DE3705254A1 (de
Inventor
Hans 4300 Essen De Groeger
Volker 4322 Sprockhoevel De Knorr
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.)
Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
Original Assignee
Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
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 Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH filed Critical Gebr Eickhoff Maschinenfabrik u Eisengiesserei GmbH
Priority to DE19873705254 priority Critical patent/DE3705254A1/de
Publication of DE3705254A1 publication Critical patent/DE3705254A1/de
Application granted granted Critical
Publication of DE3705254C2 publication Critical patent/DE3705254C2/de
Granted 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
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/30—Shape or construction of rollers
    • 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
    • E21C25/10—Rods; Drums

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)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
DE19873705254 1987-02-19 1987-02-19 Zusatzwalze fuer einen walzenlader Granted DE3705254A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873705254 DE3705254A1 (de) 1987-02-19 1987-02-19 Zusatzwalze fuer einen walzenlader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873705254 DE3705254A1 (de) 1987-02-19 1987-02-19 Zusatzwalze fuer einen walzenlader

Publications (2)

Publication Number Publication Date
DE3705254A1 DE3705254A1 (de) 1988-09-08
DE3705254C2 true DE3705254C2 (enExample) 1988-12-08

Family

ID=6321304

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873705254 Granted DE3705254A1 (de) 1987-02-19 1987-02-19 Zusatzwalze fuer einen walzenlader

Country Status (1)

Country Link
DE (1) DE3705254A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522939A (zh) * 2016-12-28 2017-03-22 中国矿业大学 一种分层开采的大采高多滚筒采煤机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232168A (en) * 1992-03-30 1993-08-03 Engineered Systems, Inc. Apparatus and method for separating recyclable material from waste material
RU2174598C1 (ru) * 2000-02-10 2001-10-10 Открытое акционерное общество "Проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" Угледобывающий комбайн с дробилкой

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811343A (en) * 1956-12-24 1957-10-29 Goodman Mfg Co Heavy duty cutter bit for boring type miner
DE1933102A1 (de) * 1969-06-30 1971-02-04 U Eisengiesserei A Beien Masch Durchlauf-Schlagwalzenbrecher fuer die Zerkleinerung von grobstueckig anfallendem Gewinnungsgut,vorzugsweise Kohle,waehrend der Foerderung
DE3527253C1 (de) * 1985-07-30 1986-11-06 Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Zusatzwalze für auf einem Strebfördermittel verfahrbare Walzenschrämmaschinen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522939A (zh) * 2016-12-28 2017-03-22 中国矿业大学 一种分层开采的大采高多滚筒采煤机
CN106522939B (zh) * 2016-12-28 2018-07-27 中国矿业大学 一种分层开采的大采高多滚筒采煤机

Also Published As

Publication number Publication date
DE3705254A1 (de) 1988-09-08

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee