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 revolutionInfo
- 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
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)
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 (ja) |
JP (1) | JPH0672515B2 (ja) |
AR (1) | AR243251A1 (ja) |
BR (1) | BR8704556A (ja) |
CA (1) | CA1279336C (ja) |
DK (1) | DK467587A (ja) |
ES (1) | ES2005287A6 (ja) |
ZA (1) | ZA876082B (ja) |
Families Citing this family (8)
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, 76698 Ubstadt-Weiher | Zinken für ein Bodenbearbeitungsgerät |
EP0771911B1 (en) * | 1995-10-31 | 2001-08-22 | Bitelli Spa | An active element for the support of at least one milling tool, suited to be applied on milling drums of operating machines for the removal of soils |
EP2167790A1 (en) * | 2007-07-02 | 2010-03-31 | The University of Sydney | Cutting tip and tool |
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)
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 | 1996-07-22 | 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 |
-
1987
- 1987-08-07 EP EP87111459A patent/EP0259620A1/en not_active Withdrawn
- 1987-08-17 ZA ZA876082A patent/ZA876082B/xx unknown
- 1987-09-02 ES ES8702549A patent/ES2005287A6/es not_active Expired
- 1987-09-03 BR BR8704556A patent/BR8704556A/pt unknown
- 1987-09-07 AR AR87308646A patent/AR243251A1/es active
- 1987-09-07 JP JP62222174A patent/JPH0672515B2/ja not_active Expired - Lifetime
- 1987-09-08 DK DK467587A patent/DK467587A/da not_active Application Discontinuation
- 1987-09-08 CA CA000546278A patent/CA1279336C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR8704556A (pt) | 1988-04-26 |
EP0259620A1 (en) | 1988-03-16 |
AU7717987A (en) | 1988-03-17 |
JPH0672515B2 (ja) | 1994-09-14 |
ES2005287A6 (es) | 1989-03-01 |
CA1279336C (en) | 1991-01-22 |
DK467587D0 (da) | 1987-09-08 |
AR243251A1 (es) | 1993-07-30 |
JPS6378993A (ja) | 1988-04-09 |
AU587141B2 (en) | 1989-08-03 |
DK467587A (da) | 1989-03-09 |
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