GB1158101A - Improvements relating to Coal Cutter Picks And Tips Therefor - Google Patents

Improvements relating to Coal Cutter Picks And Tips Therefor

Info

Publication number
GB1158101A
GB1158101A GB3154/66A GB315466A GB1158101A GB 1158101 A GB1158101 A GB 1158101A GB 3154/66 A GB3154/66 A GB 3154/66A GB 315466 A GB315466 A GB 315466A GB 1158101 A GB1158101 A GB 1158101A
Authority
GB
United Kingdom
Prior art keywords
coal cutter
improvements relating
therefor
cutter picks
brazing
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
GB3154/66A
Inventor
Eric Maximillian Holt
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.)
HOY CARBIDES Ltd
Original Assignee
HOY CARBIDES 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 HOY CARBIDES Ltd filed Critical HOY CARBIDES Ltd
Priority to GB3154/66A priority Critical patent/GB1158101A/en
Publication of GB1158101A publication Critical patent/GB1158101A/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
    • E21C35/1831—Fixing methods or devices

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

1,158,101. Brazing. HOY CARBIDES Ltd. 24 Jan., 1967 [24 Jan., 1966], No. 3154/66. Heading B3R. [Also in Division E1] To increase the strength of the brazing joint between a hard carbide tip for a coal cutter pick and the seating therefor in the body of the pick, the brazing surface of the tip is regularly and deeply indented by grooves, dimples or serrations.
GB3154/66A 1966-01-24 1966-01-24 Improvements relating to Coal Cutter Picks And Tips Therefor Expired GB1158101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3154/66A GB1158101A (en) 1966-01-24 1966-01-24 Improvements relating to Coal Cutter Picks And Tips Therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3154/66A GB1158101A (en) 1966-01-24 1966-01-24 Improvements relating to Coal Cutter Picks And Tips Therefor

Publications (1)

Publication Number Publication Date
GB1158101A true GB1158101A (en) 1969-07-16

Family

ID=9752966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3154/66A Expired GB1158101A (en) 1966-01-24 1966-01-24 Improvements relating to Coal Cutter Picks And Tips Therefor

Country Status (1)

Country Link
GB (1) GB1158101A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5081774A (en) * 1988-12-27 1992-01-21 Sumitomo Heavy Industries Foundry & Forging Co., Ltd. Composite excavating tooth
US20140191562A1 (en) * 2008-11-05 2014-07-10 Gregory Greenspan Mining and demolition tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5081774A (en) * 1988-12-27 1992-01-21 Sumitomo Heavy Industries Foundry & Forging Co., Ltd. Composite excavating tooth
US20140191562A1 (en) * 2008-11-05 2014-07-10 Gregory Greenspan Mining and demolition tool
US9476299B2 (en) * 2008-11-05 2016-10-25 Gregory Greenspan Mining and demolition tool

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Legal Events

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