FR2228901B1 - - Google Patents

Info

Publication number
FR2228901B1
FR2228901B1 FR7415766A FR7415766A FR2228901B1 FR 2228901 B1 FR2228901 B1 FR 2228901B1 FR 7415766 A FR7415766 A FR 7415766A FR 7415766 A FR7415766 A FR 7415766A FR 2228901 B1 FR2228901 B1 FR 2228901B1
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.)
Expired
Application number
FR7415766A
Other languages
French (fr)
Other versions
FR2228901A1 (de
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.)
Kennametal Inc
Original Assignee
Kennametal Inc
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 Kennametal Inc filed Critical Kennametal Inc
Publication of FR2228901A1 publication Critical patent/FR2228901A1/fr
Application granted granted Critical
Publication of FR2228901B1 publication Critical patent/FR2228901B1/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

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)
  • Earth Drilling (AREA)
FR7415766A 1973-05-07 1974-05-07 Expired FR2228901B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00357696A US3841709A (en) 1973-05-07 1973-05-07 Excavating tool arrangement

Publications (2)

Publication Number Publication Date
FR2228901A1 FR2228901A1 (de) 1974-12-06
FR2228901B1 true FR2228901B1 (de) 1981-08-21

Family

ID=23406668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415766A Expired FR2228901B1 (de) 1973-05-07 1974-05-07

Country Status (5)

Country Link
US (1) US3841709A (de)
CA (1) CA1035377A (de)
DE (1) DE2419264C2 (de)
FR (1) FR2228901B1 (de)
GB (1) GB1471669A (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005906A (en) * 1975-12-15 1977-02-01 Kennametal Inc. Impact or demolition tool
FR2379695A1 (fr) * 1977-02-03 1978-09-01 Bourlier Jacques Dent pour outil de forage de fondation a mouvement rotatif
US4335921A (en) * 1977-06-06 1982-06-22 Cmi Corporation Cutting head for a paved roadway resurfacing apparatus
US4346934A (en) * 1977-06-29 1982-08-31 Kennametal Inc. Excavating bit
US4348059A (en) * 1978-09-07 1982-09-07 Sun Oil Company, Ltd. Multiple-tine ice disaggregation system
US4451093A (en) * 1980-12-10 1984-05-29 Robert Perez Tool for scarifying concrete
GB2113177B (en) * 1982-01-08 1986-02-05 Kennametal Inc Bit and block assembly
US4678237A (en) * 1982-08-06 1987-07-07 Huddy Diamond Crown Setting Company (Proprietary) Limited Cutter inserts for picks
US4611417A (en) * 1984-03-05 1986-09-16 Carlson John H Non-rotatable tooth for a cylindrical socket bore
US4595241A (en) * 1984-04-16 1986-06-17 Gilbert Jerry F Digging tooth and holder therefor
US4736533A (en) * 1986-06-26 1988-04-12 May Charles R Interiorly located, rotating, self sharpening replaceable digging tooth apparatus and method
US4776114A (en) * 1987-04-15 1988-10-11 Hemphill Sr Charles W Teeth on a tooth
GB8829747D0 (en) * 1988-12-21 1989-02-15 Macdonald Pneumatics Scabbler bits
US4917196A (en) * 1989-08-15 1990-04-17 Kennametal Inc. Excavating tooth for an earth auger
US5067262A (en) * 1990-08-03 1991-11-26 Kennametal Inc. Digging tooth
US5143163A (en) * 1991-08-29 1992-09-01 Kennametal Inc. Digging tooth
US5366031A (en) * 1993-05-03 1994-11-22 Pengo Corporation Auger head assembly and method of drilling hard earth formations
US6014826A (en) * 1997-06-24 2000-01-18 Walgren; Craig B. Chain for trencher apparatus
US6684538B2 (en) * 1998-08-24 2004-02-03 Vermeer Manufacturing Company Cutting tooth for a trencher chain
US20050088034A1 (en) * 2003-10-23 2005-04-28 Clemenson Enterprises, Inc. Tool bit assembly with offset tooth
US7992328B2 (en) 2005-03-30 2011-08-09 Striegel Monte G Trench wall ripper apparatus
US7712234B2 (en) * 2005-03-30 2010-05-11 Striegel Monte G Trench wall ripper apparatus
CN101506438A (zh) * 2006-08-25 2009-08-12 詹姆斯·A·考尔德伍德 包括高强尖端的改进的掘进靴
US7818902B2 (en) * 2008-11-12 2010-10-26 H & L Tooth Company Ground engaging digging tooth
DE202009001814U1 (de) * 2009-02-12 2009-04-30 Bauer Maschinen Gmbh Fräszahn für eine Schlitzwandfräse
CA2806762A1 (en) * 2010-08-02 2012-02-09 Sandvik Intellectual Property Ab Rotatable grading pick with debris clearing feature, a tool and block assembly and a road grading machine
WO2016014139A1 (en) * 2014-07-24 2016-01-28 Hall David R Angled degradation pick
JP7402340B2 (ja) * 2019-12-04 2023-12-20 エレメント、シックス、（ユーケー）、リミテッド ディスクカッタおよび溝切りカッタ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB138982A (en) * 1919-02-06 1920-02-26 Herbert Clough Improvements in coal cutter chains
US1890997A (en) * 1932-05-25 1932-12-13 Finkl & Sons Co Forged dipper tooth
US2746494A (en) * 1951-05-15 1956-05-22 Oregon Saw Chain Corp Saw chain with insert teeth
US2847921A (en) * 1954-05-03 1958-08-19 Towner Mfg Co Earth-penetrating point
US2810567A (en) * 1956-02-01 1957-10-22 Gen Electric Cutter tool assembly providing a floating fit between tool and holder
US3309801A (en) * 1964-05-05 1967-03-21 Abex Corp Repointer
US3544166A (en) * 1965-02-17 1970-12-01 Austin Hoy & Co Ltd Cutter tools and mountings therefor
US3650565A (en) * 1970-05-04 1972-03-21 Kennametal Inc Pick type mining bit and support block therefor
US3663063A (en) * 1970-12-21 1972-05-16 Hillard E Johnmeyer Sr Trenching implement

Also Published As

Publication number Publication date
AU6779474A (en) 1975-10-16
DE2419264A1 (de) 1974-11-28
DE2419264C2 (de) 1983-02-10
FR2228901A1 (de) 1974-12-06
CA1035377A (en) 1978-07-25
US3841709A (en) 1974-10-15
GB1471669A (en) 1977-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse