FR2153441A1 - - Google Patents

Info

Publication number
FR2153441A1
FR2153441A1 FR7233759A FR7233759A FR2153441A1 FR 2153441 A1 FR2153441 A1 FR 2153441A1 FR 7233759 A FR7233759 A FR 7233759A FR 7233759 A FR7233759 A FR 7233759A FR 2153441 A1 FR2153441 A1 FR 2153441A1
Authority
FR
France
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.)
Granted
Application number
FR7233759A
Other languages
French (fr)
Other versions
FR2153441B1 (en
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.)
Carmet Co
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
Publication of FR2153441A1 publication Critical patent/FR2153441A1/fr
Application granted granted Critical
Publication of FR2153441B1 publication Critical patent/FR2153441B1/fr
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
    • 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)
FR7233759A 1971-09-22 1972-09-22 Expired FR2153441B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2153441A1 true FR2153441A1 (en) 1973-05-04
FR2153441B1 FR2153441B1 (en) 1977-01-14

Family

ID=22670054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233759A Expired FR2153441B1 (en) 1971-09-22 1972-09-22

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 (16)

* 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
EP2997224B1 (en) 2013-05-16 2017-10-04 US Synthetic Corporation Shear cutter pick milling system
WO2014186212A1 (en) 2013-05-16 2014-11-20 Us Synthetic Corporation Road-removal system employing polycrystalline diamond compacts
GB2530233B (en) * 2013-06-18 2017-05-17 Esco Corp 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
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
USD798920S1 (en) 2015-09-25 2017-10-03 Us Synthetic Corporation Cutting tool assembly
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
CN113586049B (en) * 2021-08-04 2024-05-31 宝钢集团新疆八一钢铁有限公司 Coal mining device suitable for deformation roadway coal mining

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
DE2246206A1 (en) 1973-04-05
CA958425A (en) 1974-11-26
IT965451B (en) 1974-01-31
FR2153441B1 (en) 1977-01-14
GB1395388A (en) 1975-05-29
US3751114A (en) 1973-08-07

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Legal Events

Date Code Title Description
ST Notification of lapse