IT8619902A0 - Sistema di trattenuta per utensilidi miniera. - Google Patents
Sistema di trattenuta per utensilidi miniera.Info
- Publication number
- IT8619902A0 IT8619902A0 IT8619902A IT1990286A IT8619902A0 IT 8619902 A0 IT8619902 A0 IT 8619902A0 IT 8619902 A IT8619902 A IT 8619902A IT 1990286 A IT1990286 A IT 1990286A IT 8619902 A0 IT8619902 A0 IT 8619902A0
- Authority
- IT
- Italy
- Prior art keywords
- retaining system
- mine tools
- mine
- tools
- retaining
- Prior art date
Links
Classifications
-
- 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
- E21C35/19—Means for fixing picks or holders
-
- 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
- E21C35/184—Reversible picks, i.e. having two working ends, one operating, the other in reserve
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Component Parts Of Construction Machinery (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/739,945 US4607891A (en) | 1985-05-31 | 1985-05-31 | Rotary retainer for mining bits |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8619902A0 true IT8619902A0 (it) | 1986-03-27 |
IT8619902A1 IT8619902A1 (it) | 1987-09-27 |
IT1188463B IT1188463B (it) | 1988-01-14 |
Family
ID=24974436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19902/86A IT1188463B (it) | 1985-05-31 | 1986-03-27 | Sistema di trattenuta per utensili di miniera |
Country Status (7)
Country | Link |
---|---|
US (1) | US4607891A (it) |
AU (1) | AU584700B2 (it) |
BR (1) | BR8601589A (it) |
FR (1) | FR2582716B1 (it) |
GB (1) | GB2175938B (it) |
IT (1) | IT1188463B (it) |
ZA (1) | ZA861085B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4744605A (en) * | 1985-08-02 | 1988-05-17 | Michael Komotzki | Bit and bit holder for mining machines |
DE3927285A1 (de) * | 1989-08-18 | 1991-02-21 | Boart Hwf Gmbh & Co | Hobel- und schraemmeissel fuer gewinnungsmaschinen zum abbau von lagerstaetten |
DE4105238A1 (de) * | 1991-02-20 | 1992-08-27 | Dietmar Kauhausen | Meissel fuer kohlenhobel mit flaechenparallelem, laengs- und querachsensymmetrischem arretierungsstift |
US7487931B2 (en) * | 2004-07-23 | 2009-02-10 | Sandvik Intellectual Property Ab | Shingle processing tool and method |
JP4957440B2 (ja) * | 2007-08-06 | 2012-06-20 | 三菱マテリアル株式会社 | 掘削工具 |
ZA201108667B (en) | 2010-11-30 | 2012-07-25 | Harnischfeger Tech Inc | Pick holder |
GB201220294D0 (en) * | 2012-11-12 | 2012-12-26 | Element Six Gmbh | Pick tool assembly and method of using same |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1140173A (en) * | 1909-01-08 | 1915-05-18 | Jeffrey Mfg Co | Bit-holder for mining-machines. |
US1613693A (en) * | 1924-06-10 | 1927-01-11 | Davis Jake | Bit holder |
GB618718A (en) * | 1946-11-18 | 1949-02-25 | Thomas Ridley Currie | Improvements in and relating to coal cutter picks, and the pick-holders and pick-boxes therefor |
US2720392A (en) * | 1953-05-18 | 1955-10-11 | Cincinnati Mine Machinery Co | Bit mounting for cutter chains |
US2965365A (en) * | 1958-04-14 | 1960-12-20 | Cincinnati Mine Machinery Co | Bit and resilient holding means therefor |
US3088721A (en) * | 1959-05-11 | 1963-05-07 | Cincinnati Mine Machinery Co | Resilient controlling means |
US3057609A (en) * | 1960-05-11 | 1962-10-09 | Cincinnati Mine Machinery Co | Socket member and resilient retainer for cutter bits |
GB1115411A (en) * | 1963-11-08 | 1968-05-29 | Matthias Spencer & Sons Ltd | Improvements in or relating to tool holding devices |
GB1066251A (en) * | 1964-03-14 | 1967-04-26 | Anderson Mavor Ltd | Improved pick box to which a mineral cutting pick is operatively detachably secured |
US3362754A (en) * | 1965-10-13 | 1968-01-09 | Bowdil Company | Cutting bit and holder |
AU458074B2 (en) * | 1970-12-22 | 1975-02-20 | Austin Hoy & Company Limited | Improvement in tools and holders therefor |
GB1548351A (en) * | 1977-01-28 | 1979-07-11 | Hoy & Co Ltd Austin | Securing means for machine parts |
DD141048A1 (de) * | 1978-12-22 | 1980-04-09 | Karl Vogt | Vorrichtung zur verriegelung von schraemmeisseln |
DE2942582A1 (de) * | 1978-12-22 | 1980-07-03 | Schmalkalden Werkzeug | Vorrichtung zur verriegelung von schraemmeisseln |
GB2088441B (en) * | 1980-11-24 | 1985-04-11 | Padley & Venables Ltd | Mineral mining pick and holder assembly |
AU7778781A (en) * | 1980-12-04 | 1982-06-10 | Anderson Strathclyde Ltd. | Pick retaining devices |
-
1985
- 1985-05-31 US US06/739,945 patent/US4607891A/en not_active Expired - Fee Related
-
1986
- 1986-02-13 ZA ZA861085A patent/ZA861085B/xx unknown
- 1986-02-20 GB GB8604242A patent/GB2175938B/en not_active Expired
- 1986-03-27 IT IT19902/86A patent/IT1188463B/it active
- 1986-04-09 BR BR8601589A patent/BR8601589A/pt unknown
- 1986-05-13 AU AU57381/86A patent/AU584700B2/en not_active Ceased
- 1986-05-28 FR FR868607658A patent/FR2582716B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1188463B (it) | 1988-01-14 |
GB2175938B (en) | 1989-07-12 |
IT8619902A1 (it) | 1987-09-27 |
US4607891A (en) | 1986-08-26 |
GB8604242D0 (en) | 1986-03-26 |
AU5738186A (en) | 1986-12-04 |
GB2175938A (en) | 1986-12-10 |
FR2582716A1 (fr) | 1986-12-05 |
AU584700B2 (en) | 1989-06-01 |
ZA861085B (en) | 1986-09-24 |
BR8601589A (pt) | 1987-01-13 |
FR2582716B1 (fr) | 1989-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940329 |