GB683449A - Improvements in or relating to coal cutting apparatus - Google Patents

Improvements in or relating to coal cutting apparatus

Info

Publication number
GB683449A
GB683449A GB2256/51A GB225651A GB683449A GB 683449 A GB683449 A GB 683449A GB 2256/51 A GB2256/51 A GB 2256/51A GB 225651 A GB225651 A GB 225651A GB 683449 A GB683449 A GB 683449A
Authority
GB
United Kingdom
Prior art keywords
jib
cutting means
mining
arm
machine
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
GB2256/51A
Other languages
English (en)
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
Publication of GB683449A publication Critical patent/GB683449A/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
    • E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22

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)
  • Excavating Of Shafts Or Tunnels (AREA)
GB2256/51A 1950-10-13 1951-01-30 Improvements in or relating to coal cutting apparatus Expired GB683449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE683449X 1950-10-13

Publications (1)

Publication Number Publication Date
GB683449A true GB683449A (en) 1952-11-26

Family

ID=6597387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2256/51A Expired GB683449A (en) 1950-10-13 1951-01-30 Improvements in or relating to coal cutting apparatus

Country Status (3)

Country Link
BE (1) BE506396A (enrdf_load_stackoverflow)
FR (1) FR1054020A (enrdf_load_stackoverflow)
GB (1) GB683449A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939261C (de) * 1953-03-01 1956-02-16 Eickhoff Maschinenfabrik Geb Schraemmaschine mit einem Kettenschraemarm und einer Schraemwalze
US2962271A (en) * 1953-10-26 1960-11-29 Coal Industry Patents Ltd Cutter loader mining machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939261C (de) * 1953-03-01 1956-02-16 Eickhoff Maschinenfabrik Geb Schraemmaschine mit einem Kettenschraemarm und einer Schraemwalze
US2962271A (en) * 1953-10-26 1960-11-29 Coal Industry Patents Ltd Cutter loader mining machines

Also Published As

Publication number Publication date
BE506396A (enrdf_load_stackoverflow)
FR1054020A (fr) 1954-02-08

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