IT7820949A0 - Perfezionamenti a picconi per il taglio di minerali. - Google Patents
Perfezionamenti a picconi per il taglio di minerali.Info
- Publication number
- IT7820949A0 IT7820949A0 IT7820949A IT2094978A IT7820949A0 IT 7820949 A0 IT7820949 A0 IT 7820949A0 IT 7820949 A IT7820949 A IT 7820949A IT 2094978 A IT2094978 A IT 2094978A IT 7820949 A0 IT7820949 A0 IT 7820949A0
- Authority
- IT
- Italy
- Prior art keywords
- pickaxes
- minerals
- cutting
- cutting minerals
- Prior art date
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/58—Chisel-type inserts
-
- 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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9576/77A GB1569403A (en) | 1977-03-07 | 1977-03-07 | Mineral cutting picks |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7820949A0 true IT7820949A0 (it) | 1978-03-07 |
IT1093184B IT1093184B (it) | 1985-07-19 |
Family
ID=9874667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7820949A IT1093184B (it) | 1977-03-07 | 1978-03-07 | Perfezionamenti a picconi per il taglio di minerali |
Country Status (9)
Country | Link |
---|---|
US (1) | US4143920A (it) |
BE (1) | BE864633A (it) |
DE (1) | DE2809487A1 (it) |
DK (1) | DK99778A (it) |
FR (1) | FR2383306A1 (it) |
GB (1) | GB1569403A (it) |
IT (1) | IT1093184B (it) |
LU (1) | LU79179A1 (it) |
NL (1) | NL7802493A (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4333540A (en) * | 1978-10-02 | 1982-06-08 | General Electric Company | Cutter element and cutter for rock drilling |
DE3433277A1 (de) * | 1984-09-11 | 1986-03-20 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Bodenmeissel fuer kohlenhobel |
AU592073B2 (en) * | 1985-02-11 | 1990-01-04 | De Beers Industrial Diamond Division (Proprietary) Limited | Cutting tool for a mining machine |
GB8604098D0 (en) * | 1986-02-19 | 1986-03-26 | Minnovation Ltd | Tip & mineral cutter pick |
US4842337A (en) * | 1986-11-04 | 1989-06-27 | Southern Philip W | Mining bit and holder |
DE4134560A1 (de) * | 1991-10-19 | 1993-04-22 | Hydra Tools Int Plc | Hartmetallkrone und meissel |
US5230548A (en) * | 1992-08-21 | 1993-07-27 | Southern Philip W | Longwall cutter drum having reduced production of dust |
US6014826A (en) * | 1997-06-24 | 2000-01-18 | Walgren; Craig B. | Chain for trencher apparatus |
BE1012070A3 (fr) * | 1998-07-10 | 2000-04-04 | Marchandise Diamant Service En | Plaquette de coupe. |
US6595305B1 (en) | 2000-02-15 | 2003-07-22 | Kennametal Inc. | Drill bit, hard member, and bit body |
US6860344B2 (en) | 2001-06-25 | 2005-03-01 | Kennametal Inc. | Monolithic roof cutting bit insert |
DE10208631A1 (de) * | 2002-02-28 | 2003-09-11 | Hawera Probst Gmbh | Bohrwerkzeug |
US7487931B2 (en) * | 2004-07-23 | 2009-02-10 | Sandvik Intellectual Property Ab | Shingle processing tool and method |
US8662208B2 (en) * | 2010-06-17 | 2014-03-04 | American National Carbide Co. | Downhole cutting tool, cutting elements and method |
US10294787B2 (en) | 2011-05-12 | 2019-05-21 | Carriere Industrial Supply Limited | Mineral bits and mounts |
GB201113591D0 (en) | 2011-08-08 | 2011-09-21 | Hydra Mining Tools Internat Ltd | Mineral cutter tool |
CA2870929A1 (en) | 2012-04-30 | 2013-11-07 | Carriere Industrial Supply Limited | Mineral bits and mounts |
CN103016002B (zh) * | 2012-11-10 | 2015-10-14 | 中煤张家口煤矿机械有限责任公司 | 一种用于刨煤机的刨削刀具 |
US9428968B2 (en) | 2013-04-26 | 2016-08-30 | Kennametal Inc. | Rotary drill bit with cutting insert having edge preparation |
US9303511B2 (en) * | 2013-04-26 | 2016-04-05 | Kennametal Inc. | Flat cutter bit with cutting insert having edge preparation |
US9347276B2 (en) | 2013-04-26 | 2016-05-24 | Kennametal Inc. | Two prong rotary drill bit with cutting insert having edge preparation |
EP3250787B1 (en) | 2015-01-28 | 2021-06-02 | ESCO Group LLC | Mineral winning pick, holder, and combination |
DE102017011131A1 (de) * | 2017-12-01 | 2019-06-06 | Bomag Gmbh | Hochverschleißfester, einstückiger Meißelspitzenkörper, Fräsmeißel für eine Bodenfräsmaschine, Fräswalze sowie Bodenfräsmaschine |
CA3130365A1 (en) * | 2020-09-11 | 2022-03-11 | Carriere Industrial Supply Limited | Mineral bit and cutting tip therefor |
USD960215S1 (en) | 2020-09-16 | 2022-08-09 | Gary E. Weaver | Shear pick |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB976538A (en) * | 1962-09-03 | 1964-11-25 | Wickman Wimet Ltd | Coal cutter picks |
GB1184794A (en) * | 1966-10-18 | 1970-03-18 | Coal Industry Patents Ltd | Improvements in Mineral-Mining, Broad-Nosed Cutting Tools having Hardened Metal Inserts |
GB1333401A (en) * | 1969-12-30 | 1973-10-10 | Padley & Venables Ltd | Cutter picks |
SU381753A1 (ru) * | 1970-04-27 | 1973-05-22 | Буровой резец | |
GB1348488A (en) * | 1970-06-09 | 1974-03-20 | Wickman Wimet Ltd | Mineral cutting picks |
-
1977
- 1977-03-07 GB GB9576/77A patent/GB1569403A/en not_active Expired
-
1978
- 1978-03-06 FR FR7806903A patent/FR2383306A1/fr not_active Withdrawn
- 1978-03-06 DK DK99778A patent/DK99778A/da unknown
- 1978-03-06 DE DE19782809487 patent/DE2809487A1/de not_active Withdrawn
- 1978-03-07 US US05/884,217 patent/US4143920A/en not_active Expired - Lifetime
- 1978-03-07 BE BE185720A patent/BE864633A/xx unknown
- 1978-03-07 LU LU79179A patent/LU79179A1/xx unknown
- 1978-03-07 NL NL7802493A patent/NL7802493A/xx not_active Application Discontinuation
- 1978-03-07 IT IT7820949A patent/IT1093184B/it active
Also Published As
Publication number | Publication date |
---|---|
LU79179A1 (fr) | 1978-09-28 |
IT1093184B (it) | 1985-07-19 |
US4143920A (en) | 1979-03-13 |
DK99778A (da) | 1978-09-08 |
NL7802493A (nl) | 1978-09-11 |
BE864633A (fr) | 1978-07-03 |
FR2383306A1 (fr) | 1978-10-06 |
DE2809487A1 (de) | 1978-09-14 |
GB1569403A (en) | 1980-06-11 |
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