AR243251A1 - 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
AR243251A1
AR243251A1 AR87308646A AR30864687A AR243251A1 AR 243251 A1 AR243251 A1 AR 243251A1 AR 87308646 A AR87308646 A AR 87308646A AR 30864687 A AR30864687 A AR 30864687A AR 243251 A1 AR243251 A1 AR 243251A1
Authority
AR
Argentina
Prior art keywords
revolution
concave surface
middle section
cutter bit
section defined
Prior art date
Application number
AR87308646A
Other languages
Spanish (es)
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=AR243251(A1) "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
Application granted granted Critical
Publication of AR243251A1 publication Critical patent/AR243251A1/en

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)
AR87308646A 1986-09-09 1987-09-07 Cutter bit having hard tip with middle section defined by concave surface of revolution AR243251A1 (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
AR243251A1 true AR243251A1 (en) 1993-07-30

Family

ID=25421369

Family Applications (1)

Application Number Title Priority Date Filing Date
AR87308646A AR243251A1 (en) 1986-09-09 1987-09-07 Cutter bit having hard tip with middle section defined by concave surface of revolution

Country Status (8)

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

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 (en) * 1995-04-15 1995-06-08 Rdz Dutzi Gmbh Tines for a tillage implement
ES2162965T3 (en) * 1995-10-31 2002-01-16 Bitelli Spa ACTIVE ELEMENT FOR THE SUPPORT OF, AT MINIMUM, A MILLING TOOL, SUITABLE FOR APPLICATION TO MACHINE DRILLING DRUMS FOR SOIL LIFTING.
CN101790621A (en) * 2007-07-02 2010-07-28 悉尼大学 Cutting tip and tool
CN102418523A (en) * 2011-12-14 2012-04-18 宁海县盛源激光科技有限公司 Highly abrasion-resistant sparkless knife-shaped pick
GB201320501D0 (en) * 2013-11-20 2014-01-01 Element Six Gmbh Strike constructions,picks comprising same and methods for making same
DE102018204775A1 (en) * 2018-03-28 2019-10-02 Thyssenkrupp Ag Excavator tooth for a bucket wheel excavator

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 (en) * 1976-04-14 1978-03-10 Voest Ag ROUND CHISEL
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 (en) * 1983-03-23 1996-07-04 Sandvik Ab Tools for breaking or cutting solid materials such as asphalt
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 (en) * 1984-12-19 1986-12-29 Voest Alpine Ag SPRAYING DEVICE FOR COOLANT FROM A NOZZLE OF A SCREW HEAD

Also Published As

Publication number Publication date
ES2005287A6 (en) 1989-03-01
CA1279336C (en) 1991-01-22
JPS6378993A (en) 1988-04-09
DK467587D0 (en) 1987-09-08
ZA876082B (en) 1988-02-25
BR8704556A (en) 1988-04-26
JPH0672515B2 (en) 1994-09-14
EP0259620A1 (en) 1988-03-16
AU7717987A (en) 1988-03-17
DK467587A (en) 1989-03-09
AU587141B2 (en) 1989-08-03

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