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FR1294810A - Pic de havage - Google Patents

Pic de havage

Info

Publication number
FR1294810A
FR1294810A FR858975A FR858975A FR1294810A FR 1294810 A FR1294810 A FR 1294810A FR 858975 A FR858975 A FR 858975A FR 858975 A FR858975 A FR 858975A FR 1294810 A FR1294810 A FR 1294810A
Authority
FR
France
Prior art keywords
havage
peak
havage peak
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
FR858975A
Other languages
English (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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR858975A priority Critical patent/FR1294810A/fr
Priority to US186688A priority patent/US3239275A/en
Priority to GB14430/62A priority patent/GB952140A/en
Priority to BE616460A priority patent/BE616460A/fr
Application granted granted Critical
Publication of FR1294810A publication Critical patent/FR1294810A/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
    • 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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Component Parts Of Construction Machinery (AREA)
FR858975A 1961-04-17 1961-04-17 Pic de havage Expired FR1294810A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR858975A FR1294810A (fr) 1961-04-17 1961-04-17 Pic de havage
US186688A US3239275A (en) 1961-04-17 1962-04-11 Mining pick
GB14430/62A GB952140A (en) 1961-04-17 1962-04-13 Mining pick
BE616460A BE616460A (fr) 1961-04-17 1962-04-16 Pic de havage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858975A FR1294810A (fr) 1961-04-17 1961-04-17 Pic de havage

Publications (1)

Publication Number Publication Date
FR1294810A true FR1294810A (fr) 1962-06-01

Family

ID=8753219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858975A Expired FR1294810A (fr) 1961-04-17 1961-04-17 Pic de havage

Country Status (4)

Country Link
US (1) US3239275A (fr)
BE (1) BE616460A (fr)
FR (1) FR1294810A (fr)
GB (1) GB952140A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529677A (en) * 1968-05-15 1970-09-22 Kennametal Inc Grader blade
US3934654A (en) * 1974-09-06 1976-01-27 Kennametal Inc. Earthworking blade device
US4660659A (en) * 1983-02-22 1987-04-28 Nl Industries, Inc. Drag type drill bit
US4558753A (en) * 1983-02-22 1985-12-17 Nl Industries, Inc. Drag bit and cutters
US4538690A (en) * 1983-02-22 1985-09-03 Nl Industries, Inc. PDC cutter and bit
SE450259C (sv) * 1983-03-23 1996-07-22 Sandvik Ab Verktyg för brytning eller avverkning av fasta material, såsom asfalt
US5161859A (en) * 1983-03-23 1992-11-10 Santrade Limited Excavating tool cutting insert
DE19857451A1 (de) 1998-12-12 2000-06-15 Boart Hwf Gmbh Co Kg Schneid- oder Brechwerkzeug sowie Schneideinsatz für dieses
US6202327B1 (en) * 1999-05-05 2001-03-20 Eimco Llc Ice scraper having non-rotary tools with shielded cutting inserts
AU750553B2 (en) * 2000-08-07 2002-07-18 Albert Daniel Dawood A coal and rock cutting picks
KR102563551B1 (ko) * 2016-01-14 2023-08-04 후아이스 아이피 홀딩 엘엘씨 개량된 세로 홈 외형을 가진 자가이식 공구 및 상기 공구의 사용 방법
CA3115839A1 (fr) 2018-11-06 2020-05-14 Huwais IP Holding LLC Outil d'autogreffe pour des applications a portee profonde

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483220A (en) * 1946-03-08 1949-09-27 Bowdil Company Bit
US2578593A (en) * 1946-10-29 1951-12-11 Phipps Orville Auger-type drill bit
FR1091607A (fr) * 1948-12-15 1955-04-13 Ciseau haveur à tranchant en métal dur
US2610049A (en) * 1949-10-18 1952-09-09 Elles Albert Charles Bit
GB717503A (en) * 1950-07-04 1954-10-27 Sandvikens Jernverks Ab Cutting inserts of hard metal
US2769028A (en) * 1953-06-03 1956-10-30 Rca Corp Recording of color images
US2774570A (en) * 1954-05-03 1956-12-18 Hughes Tool Co Roller cutter for earth drills
GB845171A (en) * 1957-10-03 1960-08-17 Wickman South Africa Proprieta Improvements in drill-bits for combined rotary and percussive drilling
US3006424A (en) * 1958-05-23 1961-10-31 Sandvikens Jernverks Ab Rock drill bits and cutting inserts therefor

Also Published As

Publication number Publication date
US3239275A (en) 1966-03-08
BE616460A (fr) 1962-10-16
GB952140A (en) 1964-03-11

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