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GB2142676B - A pick, a holder for a pick, and the combination of a pick and a holder - Google Patents

A pick, a holder for a pick, and the combination of a pick and a holder

Info

Publication number
GB2142676B
GB2142676B GB08403076A GB8403076A GB2142676B GB 2142676 B GB2142676 B GB 2142676B GB 08403076 A GB08403076 A GB 08403076A GB 8403076 A GB8403076 A GB 8403076A GB 2142676 B GB2142676 B GB 2142676B
Authority
GB
United Kingdom
Prior art keywords
pick
holder
combination
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
GB08403076A
Other versions
GB8403076D0 (en
GB2142676A (en
Inventor
Raymond John Clemmow
Leonard Radford
John Douglas Thorpe
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.)
Padley and Venables Ltd
Original Assignee
Padley and Venables 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 Padley and Venables Ltd filed Critical Padley and Venables Ltd
Priority to GB08403076A priority Critical patent/GB2142676B/en
Publication of GB8403076D0 publication Critical patent/GB8403076D0/en
Publication of GB2142676A publication Critical patent/GB2142676A/en
Application granted granted Critical
Publication of GB2142676B publication Critical patent/GB2142676B/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
    • E21C35/187—Mining picks; Holders therefor with arrangement of fluid-spraying nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes
    • 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
    • E21C35/19—Means for fixing picks or holders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
GB08403076A 1980-11-24 1984-02-06 A pick, a holder for a pick, and the combination of a pick and a holder Expired GB2142676B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08403076A GB2142676B (en) 1980-11-24 1984-02-06 A pick, a holder for a pick, and the combination of a pick and a holder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8037567 1980-11-24
GB08403076A GB2142676B (en) 1980-11-24 1984-02-06 A pick, a holder for a pick, and the combination of a pick and a holder

Publications (3)

Publication Number Publication Date
GB8403076D0 GB8403076D0 (en) 1984-03-07
GB2142676A GB2142676A (en) 1985-01-23
GB2142676B true GB2142676B (en) 1985-08-29

Family

ID=26277607

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08403076A Expired GB2142676B (en) 1980-11-24 1984-02-06 A pick, a holder for a pick, and the combination of a pick and a holder

Country Status (1)

Country Link
GB (1) GB2142676B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4652056A (en) * 1984-05-04 1987-03-24 Minnovation Limited Mineral cutting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3021821C2 (en) * 1980-06-11 1983-01-13 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Chisel chisels for mining and drifting machines

Also Published As

Publication number Publication date
GB8403076D0 (en) 1984-03-07
GB2142676A (en) 1985-01-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931110