GB1348488A - Mineral cutting picks - Google Patents

Mineral cutting picks

Info

Publication number
GB1348488A
GB1348488A GB2781170A GB1348488DA GB1348488A GB 1348488 A GB1348488 A GB 1348488A GB 2781170 A GB2781170 A GB 2781170A GB 1348488D A GB1348488D A GB 1348488DA GB 1348488 A GB1348488 A GB 1348488A
Authority
GB
United Kingdom
Prior art keywords
flat
insert
mineral
june
side walls
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
GB2781170A
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.)
Wickman Wimet Ltd
Original Assignee
Wickman Wimet 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 Wickman Wimet Ltd filed Critical Wickman Wimet Ltd
Publication of GB1348488A publication Critical patent/GB1348488A/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
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • 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
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape

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)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

1348488 Mineral mining picks WICKMAN WIMET Ltd 8 June 1971 [9 June 1970] 27811/70 Heading E1F The leading surface of a hard metal insert tipping a mineral-cutting pick incorporates a flat 18 extending in a plane transverse to the direction in which the pick is to be moved in use, said flat 18 being bounded by rearwardly diverging parts 20 of the leading surface, said paris 20 merging into the side walls 15 of the insert, which side walls 15 in turn merge into the convergent outer surfaces 16 of the insert, the surfaces 16 meeting the flat to form cutting edges. The flat preferably lies in a plane having a negative rake of preferably not more than 9‹.
GB2781170A 1970-06-09 1970-06-09 Mineral cutting picks Expired GB1348488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2781170 1970-06-09

Publications (1)

Publication Number Publication Date
GB1348488A true GB1348488A (en) 1974-03-20

Family

ID=10265692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2781170A Expired GB1348488A (en) 1970-06-09 1970-06-09 Mineral cutting picks

Country Status (1)

Country Link
GB (1) GB1348488A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383306A1 (en) * 1977-03-07 1978-10-06 Hall & Pickles Ltd PIC FOR HAVING MACHINES
GB2543220A (en) * 2013-06-18 2017-04-12 Esco Corp Mineral winning pick, pick holder, and combination
GB2543141B (en) * 2015-08-24 2019-05-29 Element Six Gmbh Pick tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383306A1 (en) * 1977-03-07 1978-10-06 Hall & Pickles Ltd PIC FOR HAVING MACHINES
US4143920A (en) * 1977-03-07 1979-03-13 Hall & Pickles Limited Mineral cutting pick insert shape
GB2543220A (en) * 2013-06-18 2017-04-12 Esco Corp Mineral winning pick, pick holder, and combination
US10724369B2 (en) 2013-06-18 2020-07-28 Esco Group Llc Mineral winning pick, pick holder, and combination
GB2543141B (en) * 2015-08-24 2019-05-29 Element Six Gmbh Pick tool

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Legal Events

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