IT965451B - IMPROVEMENT IN CUTTING CHISELS FOR EXCAVATING MACHINES - Google Patents

IMPROVEMENT IN CUTTING CHISELS FOR EXCAVATING MACHINES

Info

Publication number
IT965451B
IT965451B IT52886/72A IT5288672A IT965451B IT 965451 B IT965451 B IT 965451B IT 52886/72 A IT52886/72 A IT 52886/72A IT 5288672 A IT5288672 A IT 5288672A IT 965451 B IT965451 B IT 965451B
Authority
IT
Italy
Prior art keywords
improvement
excavating machines
cutting chisels
chisels
cutting
Prior art date
Application number
IT52886/72A
Other languages
Italian (it)
Original Assignee
Carmet Co
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 Carmet Co filed Critical Carmet Co
Application granted granted Critical
Publication of IT965451B publication Critical patent/IT965451B/en

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
    • 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
    • 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

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
IT52886/72A 1971-09-22 1972-09-21 IMPROVEMENT IN CUTTING CHISELS FOR EXCAVATING MACHINES IT965451B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18279171A 1971-09-22 1971-09-22

Publications (1)

Publication Number Publication Date
IT965451B true IT965451B (en) 1974-01-31

Family

ID=22670054

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52886/72A IT965451B (en) 1971-09-22 1972-09-21 IMPROVEMENT IN CUTTING CHISELS FOR EXCAVATING MACHINES

Country Status (6)

Country Link
US (1) US3751114A (en)
CA (1) CA958425A (en)
DE (1) DE2246206A1 (en)
FR (1) FR2153441B1 (en)
GB (1) GB1395388A (en)
IT (1) IT965451B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529048A (en) * 1982-10-06 1985-07-16 Megadiamond Industries, Inc. Inserts having two components anchored together at a non-perpendicular angle of attachment for use in rotary type drag bits
DE3531384A1 (en) * 1985-09-03 1987-03-12 Berchem & Schaberg Gmbh TOOL UNIT FOR A ROTATING CUTTING HEAD OF A DEGRADING MACHINE
US4842337A (en) * 1986-11-04 1989-06-27 Southern Philip W Mining bit and holder
US5230548A (en) * 1992-08-21 1993-07-27 Southern Philip W Longwall cutter drum having reduced production of dust
CN103498674A (en) * 2010-12-06 2014-01-08 李仕清 Composite rotary-cut mining machine
US9434091B2 (en) 2013-05-16 2016-09-06 Us Synthetic Corporation Road-removal system employing polycrystalline diamond compacts
EP2997224B1 (en) 2013-05-16 2017-10-04 US Synthetic Corporation Shear cutter pick milling system
RU2666906C2 (en) * 2013-06-18 2018-09-13 Эско Корпорейшн Mineral winning pick, pick holder, and combination
US10414069B2 (en) 2014-04-30 2019-09-17 Us Synthetic Corporation Cutting tool assemblies including superhard working surfaces, material-removing machines including cutting tool assemblies, and methods of use
US10408057B1 (en) 2014-07-29 2019-09-10 Apergy Bmcs Acquisition Corporation Material-removal systems, cutting tools therefor, and related methods
USD798920S1 (en) 2015-09-25 2017-10-03 Us Synthetic Corporation Cutting tool assembly
US10648330B1 (en) 2015-09-25 2020-05-12 Us Synthetic Corporation Cutting tool assemblies including superhard working surfaces, cutting tool mounting assemblies, material-removing machines including the same, and methods of use
USD798350S1 (en) 2015-09-25 2017-09-26 Us Synthetic Corporation Cutting tool assembly
CN106382117B (en) * 2016-11-03 2018-11-02 太原理工大学 Horizontal shaft type development machine pick and its load simulated method of cutterhead
GB201804696D0 (en) * 2018-03-23 2018-05-09 Element Six Uk Ltd Rock cutting machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1866082A (en) * 1927-08-10 1932-07-05 Anthony E Carlson Expansion drill bit
US1819273A (en) * 1930-06-28 1931-08-18 Edwin C Weisgerber Expansible fish tail bit
US2728366A (en) * 1952-07-11 1955-12-27 Albert F Woodell Rotary cutter heads with resilient blade holding arms
US2810567A (en) * 1956-02-01 1957-10-22 Gen Electric Cutter tool assembly providing a floating fit between tool and holder
GB1138531A (en) * 1965-04-02 1969-01-01 Coal Industry Patents Ltd Mining ploughs and cutter tool-mounting adaptors for use in such ploughs

Also Published As

Publication number Publication date
FR2153441A1 (en) 1973-05-04
GB1395388A (en) 1975-05-29
CA958425A (en) 1974-11-26
DE2246206A1 (en) 1973-04-05
US3751114A (en) 1973-08-07
FR2153441B1 (en) 1977-01-14

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