GB1533517A - Point attack bit - Google Patents

Point attack bit

Info

Publication number
GB1533517A
GB1533517A GB4048777A GB4048777A GB1533517A GB 1533517 A GB1533517 A GB 1533517A GB 4048777 A GB4048777 A GB 4048777A GB 4048777 A GB4048777 A GB 4048777A GB 1533517 A GB1533517 A GB 1533517A
Authority
GB
United Kingdom
Prior art keywords
point attack
pick
attack bit
point
mineral
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
GB4048777A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4048777A priority Critical patent/GB1533517A/en
Publication of GB1533517A publication Critical patent/GB1533517A/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)
  • Stringed Musical Instruments (AREA)
  • Food-Manufacturing Devices (AREA)
  • Soil Working Implements (AREA)

Abstract

1533517 Mineral-mining; point attack pick G W ELDERS 29 Sept 1977 40487/77 Heading E1F Positive rotation of a point attack pick in a holder 10 is caused by the passage of mined mineral along the circumferentially spaced, rearwardly diverging vanes 24 extending longitudinally of the head 17 of the pick.
GB4048777A 1977-09-29 1977-09-29 Point attack bit Expired GB1533517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4048777A GB1533517A (en) 1977-09-29 1977-09-29 Point attack bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4048777A GB1533517A (en) 1977-09-29 1977-09-29 Point attack bit

Publications (1)

Publication Number Publication Date
GB1533517A true GB1533517A (en) 1978-11-29

Family

ID=10415149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4048777A Expired GB1533517A (en) 1977-09-29 1977-09-29 Point attack bit

Country Status (1)

Country Link
GB (1) GB1533517A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168404A (en) * 1984-11-22 1986-06-18 Gerd Elfgen A cutting tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168404A (en) * 1984-11-22 1986-06-18 Gerd Elfgen A cutting tool

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Legal Events

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