CA1279336C - Outil de coupe a rive dure et section mediane en forme de creux de resolution - Google Patents

Outil de coupe a rive dure et section mediane en forme de creux de resolution

Info

Publication number
CA1279336C
CA1279336C CA000546278A CA546278A CA1279336C CA 1279336 C CA1279336 C CA 1279336C CA 000546278 A CA000546278 A CA 000546278A CA 546278 A CA546278 A CA 546278A CA 1279336 C CA1279336 C CA 1279336C
Authority
CA
Canada
Prior art keywords
tip
section
recited
flange
sintered hard
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 - Lifetime
Application number
CA000546278A
Other languages
English (en)
Inventor
Wayne H. Beach
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
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=CA1279336(C) "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 CA1279336C publication Critical patent/CA1279336C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
CA000546278A 1986-09-09 1987-09-08 Outil de coupe a rive dure et section mediane en forme de creux de resolution Expired - Lifetime CA1279336C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90573086A 1986-09-09 1986-09-09
US905,730 1986-09-09

Publications (1)

Publication Number Publication Date
CA1279336C true CA1279336C (fr) 1991-01-22

Family

ID=25421369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000546278A Expired - Lifetime CA1279336C (fr) 1986-09-09 1987-09-08 Outil de coupe a rive dure et section mediane en forme de creux de resolution

Country Status (8)

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

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
ZA876082B (en) 1988-02-25
JPH0672515B2 (ja) 1994-09-14
AU587141B2 (en) 1989-08-03
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 (fr) 1988-03-16

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Legal Events

Date Code Title Description
MKEX Expiry