GB941146A - Improvements in or relating to coal cutter jibs - Google Patents

Improvements in or relating to coal cutter jibs

Info

Publication number
GB941146A
GB941146A GB3569561A GB3569561A GB941146A GB 941146 A GB941146 A GB 941146A GB 3569561 A GB3569561 A GB 3569561A GB 3569561 A GB3569561 A GB 3569561A GB 941146 A GB941146 A GB 941146A
Authority
GB
United Kingdom
Prior art keywords
jibs
relating
coal cutter
oct
drilled
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
GB3569561A
Inventor
Cecil Kent
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.)
N J Muschamp & Co Ltd
Original Assignee
N J Muschamp & Co 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 N J Muschamp & Co Ltd filed Critical N J Muschamp & Co Ltd
Priority to GB3569561A priority Critical patent/GB941146A/en
Publication of GB941146A publication Critical patent/GB941146A/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
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides
    • E21C25/30—Chain guides

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)
  • Component Parts Of Construction Machinery (AREA)

Abstract

941,146. Mineral-mining machines. N. J. MUSCHAMP & CO. Ltd. Oct. 3, 1962 [Oct. 3, 1961], No. 35695/61. Heading E1F. Predetermined of the parts of a coal cutter jib are secured together by plug welds, one part of each pair of parts to be so secured being drilled at spaced locations and a plug weld formed up from the other part in each hole of the drilled part.
GB3569561A 1961-10-03 1961-10-03 Improvements in or relating to coal cutter jibs Expired GB941146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3569561A GB941146A (en) 1961-10-03 1961-10-03 Improvements in or relating to coal cutter jibs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3569561A GB941146A (en) 1961-10-03 1961-10-03 Improvements in or relating to coal cutter jibs

Publications (1)

Publication Number Publication Date
GB941146A true GB941146A (en) 1963-11-06

Family

ID=10380543

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3569561A Expired GB941146A (en) 1961-10-03 1961-10-03 Improvements in or relating to coal cutter jibs

Country Status (1)

Country Link
GB (1) GB941146A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954301A (en) * 1974-12-23 1976-05-04 Boring & Tunneling Co. Of America, Inc. Chain link conveyor apparatus for cutting hard earth formations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954301A (en) * 1974-12-23 1976-05-04 Boring & Tunneling Co. Of America, Inc. Chain link conveyor apparatus for cutting hard earth formations

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