ZA876082B - Cutter bit having hard tip with middle section defined by concave surface of revolution - Google Patents

Cutter bit having hard tip with middle section defined by concave surface of revolution

Info

Publication number
ZA876082B
ZA876082B ZA876082A ZA876082A ZA876082B ZA 876082 B ZA876082 B ZA 876082B ZA 876082 A ZA876082 A ZA 876082A ZA 876082 A ZA876082 A ZA 876082A ZA 876082 B ZA876082 B ZA 876082B
Authority
ZA
South Africa
Prior art keywords
revolution
concave surface
middle section
cutter bit
section defined
Prior art date
Application number
ZA876082A
Other languages
English (en)
Inventor
H. Beach Wayne
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25421369&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA876082(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kennametal Inc. filed Critical Kennametal Inc.
Publication of ZA876082B publication Critical patent/ZA876082B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2858—Teeth characterised by shape
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2866—Small metalwork for digging elements, e.g. teeth scraper bits for rotating digging elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA876082A 1986-09-09 1987-08-17 Cutter bit having hard tip with middle section defined by concave surface of revolution ZA876082B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90573086A 1986-09-09 1986-09-09

Publications (1)

Publication Number Publication Date
ZA876082B true ZA876082B (en) 1988-02-25

Family

ID=25421369

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA876082A ZA876082B (en) 1986-09-09 1987-08-17 Cutter bit having hard tip with middle section defined by concave surface of revolution

Country Status (8)

Country Link
EP (1) EP0259620A1 (xx)
JP (1) JPH0672515B2 (xx)
AR (1) AR243251A1 (xx)
BR (1) BR8704556A (xx)
CA (1) CA1279336C (xx)
DK (1) DK467587A (xx)
ES (1) ES2005287A6 (xx)
ZA (1) ZA876082B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893875A (en) * 1988-12-16 1990-01-16 Caterpillar Inc. Ground engaging bit having a hardened tip
US5131725A (en) * 1990-09-04 1992-07-21 Kennametal Inc. Rotatable cutting tool having an insert with flanges
DE29506469U1 (de) * 1995-04-15 1995-06-08 Rdz Dutzi Gmbh Zinken für ein Bodenbearbeitungsgerät
ES2162965T3 (es) * 1995-10-31 2002-01-16 Bitelli Spa Elemento activo para el soporte de, como minimo, una herramienta de fresado, adecuado para su aplicacion a los tambores de fresado de maquinas para el levantamiento de suelos.
CN101790621A (zh) * 2007-07-02 2010-07-28 悉尼大学 切削尖头及工具
CN102418523A (zh) * 2011-12-14 2012-04-18 宁海县盛源激光科技有限公司 一种高耐磨无火花的刀形截齿
GB201320501D0 (en) * 2013-11-20 2014-01-01 Element Six Gmbh Strike constructions,picks comprising same and methods for making same
DE102018204775A1 (de) * 2018-03-28 2019-10-02 Thyssenkrupp Ag Baggerzahn für einen Schaufelradbagger

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519309A (en) * 1965-08-12 1970-07-07 Kennametal Inc Rotary cone bit retained by captive keeper ring
US3442342A (en) * 1967-07-06 1969-05-06 Hughes Tool Co Specially shaped inserts for compact rock bits,and rolling cutters and rock bits using such inserts
GB1218308A (en) * 1969-08-11 1971-01-06 Kennametal Inc Mining tool
AT341978B (de) * 1976-04-14 1978-03-10 Voest Ag Rundmeissel
US4108260A (en) * 1977-04-01 1978-08-22 Hughes Tool Company Rock bit with specially shaped inserts
US4254840A (en) * 1978-10-05 1981-03-10 Reed Tool Company Drill bit insert
US4316636A (en) * 1979-02-01 1982-02-23 Kennametal Inc. Excavation and road maintenance bits and blocks
GB2087949B (en) * 1980-11-24 1984-11-14 Padley & Venables Ltd Cutting tools
GB2135716B (en) * 1983-03-02 1986-05-21 Padley & Venables Ltd Mineral-mining pick and holder assembly
GB8306641D0 (en) * 1983-03-10 1983-04-13 Wimet Mining Ltd Pick holding arrangements
SE450259C (sv) * 1983-03-23 1996-07-04 Sandvik Ab Verktyg för brytning eller avverkning av fasta material, såsom asfalt
US4497520A (en) * 1983-04-29 1985-02-05 Gte Products Corporation Rotatable cutting bit
GB8427392D0 (en) * 1984-10-30 1984-12-05 Peaks J F Cutting tooth
AT381985B (de) * 1984-12-19 1986-12-29 Voest Alpine Ag Sprueheinrichtung fuer kuehlfluessigkeit aus duesen eines schraemkopfes

Also Published As

Publication number Publication date
AU7717987A (en) 1988-03-17
JPH0672515B2 (ja) 1994-09-14
AU587141B2 (en) 1989-08-03
CA1279336C (en) 1991-01-22
ES2005287A6 (es) 1989-03-01
DK467587D0 (da) 1987-09-08
BR8704556A (pt) 1988-04-26
JPS6378993A (ja) 1988-04-09
AR243251A1 (es) 1993-07-30
DK467587A (da) 1989-03-09
EP0259620A1 (en) 1988-03-16

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