GB1238838A - - Google Patents

Info

Publication number
GB1238838A
GB1238838A GB1238838DA GB1238838A GB 1238838 A GB1238838 A GB 1238838A GB 1238838D A GB1238838D A GB 1238838DA GB 1238838 A GB1238838 A GB 1238838A
Authority
GB
United Kingdom
Prior art keywords
front face
head
coal cutter
carbide
rake
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
Other languages
English (en)
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 filed Critical
Publication of GB1238838A publication Critical patent/GB1238838A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor

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)
  • Scissors And Nippers (AREA)
GB1238838D 1969-09-20 1969-09-20 Expired GB1238838A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4643269 1969-09-20

Publications (1)

Publication Number Publication Date
GB1238838A true GB1238838A (enrdf_load_stackoverflow) 1971-07-14

Family

ID=10441248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1238838D Expired GB1238838A (enrdf_load_stackoverflow) 1969-09-20 1969-09-20

Country Status (1)

Country Link
GB (1) GB1238838A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013021283A3 (en) * 2011-08-08 2014-01-23 Esco Hydra (Uk) Limited Cutter tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013021283A3 (en) * 2011-08-08 2014-01-23 Esco Hydra (Uk) Limited Cutter tool
US9206686B2 (en) 2011-08-08 2015-12-08 Esco Hydra (Uk) Limited Cutter tool
EA027050B1 (ru) * 2011-08-08 2017-06-30 Эско Хайдра (Юк) Лимитед Резец

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees