GB1252128A - - Google Patents

Info

Publication number
GB1252128A
GB1252128A GB5326367A GB5323667A GB1252128A GB 1252128 A GB1252128 A GB 1252128A GB 5326367 A GB5326367 A GB 5326367A GB 5323667 A GB5323667 A GB 5323667A GB 1252128 A GB1252128 A GB 1252128A
Authority
GB
United Kingdom
Prior art keywords
recess
nov
mineral
projection
diameter
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
GB5326367A
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 GB1252128A publication Critical patent/GB1252128A/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
    • 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
    • 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
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool
    • 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
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
    • E21C35/1933—Means for fixing picks or holders using bolts as main fixing elements the picks having a cylindrical shank
    • 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
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
    • E21C35/1936—Means for fixing picks or holders using bolts as main fixing elements the picks having a square- or rectangular-section shank

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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Knives (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
GB5326367A 1967-11-22 1967-11-22 Expired GB1252128A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5326367 1967-11-22
GB2756668 1968-06-10

Publications (1)

Publication Number Publication Date
GB1252128A true GB1252128A (enrdf_load_stackoverflow) 1971-11-03

Family

ID=26258882

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5326367A Expired GB1252128A (enrdf_load_stackoverflow) 1967-11-22 1967-11-22

Country Status (3)

Country Link
DE (3) DE1283777B (enrdf_load_stackoverflow)
FR (1) FR1592819A (enrdf_load_stackoverflow)
GB (1) GB1252128A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170267A (en) * 1977-02-03 1979-10-09 Nbourlier Jacques C Tooth for rotary drilling tool for drilling foundations
GB2195682A (en) * 1986-09-19 1988-04-13 Wimet Mining Limited Mineral cutting means

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT369859B (de) * 1981-03-12 1983-02-10 Voest Alpine Ag Einrichtung zum kuehlen der meissel einer schraemmaschine
DE3563768D1 (en) * 1984-05-04 1988-08-18 Minnovation Ltd Mineral cutting device, water supply lance and cutter pick
GB8604098D0 (en) * 1986-02-19 1986-03-26 Minnovation Ltd Tip & mineral cutter pick

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1380308A (fr) * 1964-01-24 1964-11-27 Coal Industry Patents Ltd Perfectionnements aux moyens de coupe d'une haveuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170267A (en) * 1977-02-03 1979-10-09 Nbourlier Jacques C Tooth for rotary drilling tool for drilling foundations
GB2195682A (en) * 1986-09-19 1988-04-13 Wimet Mining Limited Mineral cutting means

Also Published As

Publication number Publication date
DE1809102A1 (de) 1969-06-19
FR1592819A (enrdf_load_stackoverflow) 1970-05-19
DE1283777B (de) 1968-11-28
DE6807104U (de) 1972-08-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee