GB482637A - Improvements in or relating to coal cutting and like machines - Google Patents

Improvements in or relating to coal cutting and like machines

Info

Publication number
GB482637A
GB482637A GB7304/37A GB730437A GB482637A GB 482637 A GB482637 A GB 482637A GB 7304/37 A GB7304/37 A GB 7304/37A GB 730437 A GB730437 A GB 730437A GB 482637 A GB482637 A GB 482637A
Authority
GB
United Kingdom
Prior art keywords
jib
pick
guide
coal
pick boxes
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
GB7304/37A
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.)
Newton Chambers and Co Ltd
Original Assignee
Newton Chambers and 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
Priority to BE426870D priority Critical patent/BE426870A/xx
Application filed by Newton Chambers and Co Ltd filed Critical Newton Chambers and Co Ltd
Priority to GB7304/37A priority patent/GB482637A/en
Priority to US194454A priority patent/US2189669A/en
Priority to FR835071D priority patent/FR835071A/fr
Publication of GB482637A publication Critical patent/GB482637A/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

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)
  • Chain Conveyers (AREA)
  • Sawing (AREA)
GB7304/37A 1937-03-12 1937-03-12 Improvements in or relating to coal cutting and like machines Expired GB482637A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE426870D BE426870A (enrdf_load_stackoverflow) 1937-03-12
GB7304/37A GB482637A (en) 1937-03-12 1937-03-12 Improvements in or relating to coal cutting and like machines
US194454A US2189669A (en) 1937-03-12 1938-03-07 Endless chain cutting machine for use in mining coal and other minerals
FR835071D FR835071A (fr) 1937-03-12 1938-03-10 Perfectionnements apportés aux haveuses et machines analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7304/37A GB482637A (en) 1937-03-12 1937-03-12 Improvements in or relating to coal cutting and like machines

Publications (1)

Publication Number Publication Date
GB482637A true GB482637A (en) 1938-04-01

Family

ID=9830558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7304/37A Expired GB482637A (en) 1937-03-12 1937-03-12 Improvements in or relating to coal cutting and like machines

Country Status (4)

Country Link
US (1) US2189669A (enrdf_load_stackoverflow)
BE (1) BE426870A (enrdf_load_stackoverflow)
FR (1) FR835071A (enrdf_load_stackoverflow)
GB (1) GB482637A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650813A (en) * 1949-08-06 1953-09-01 Joy Mfg Co Disintegrating and gathering chain structure
US7628424B2 (en) * 2006-12-08 2009-12-08 Innerworx, Llc Trenching machine with linked chain
EP2454418A4 (en) * 2009-07-13 2014-06-11 Vermeer Mfg Co SHEARED EXTRACTION COMPONENT

Also Published As

Publication number Publication date
US2189669A (en) 1940-02-06
FR835071A (fr) 1938-12-12
BE426870A (enrdf_load_stackoverflow)

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