FR2153441B1 - - Google Patents
Info
- Publication number
- FR2153441B1 FR2153441B1 FR7233759A FR7233759A FR2153441B1 FR 2153441 B1 FR2153441 B1 FR 2153441B1 FR 7233759 A FR7233759 A FR 7233759A FR 7233759 A FR7233759 A FR 7233759A FR 2153441 B1 FR2153441 B1 FR 2153441B1
- Authority
- FR
- France
- 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
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
- E21C35/183—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
- E21C35/1831—Fixing methods or devices
-
- 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
-
- 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
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
- E21C35/1933—Means for fixing picks or holders using bolts as main fixing elements the picks having a cylindrical shank
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18279171A | 1971-09-22 | 1971-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2153441A1 FR2153441A1 (enExample) | 1973-05-04 |
| FR2153441B1 true FR2153441B1 (enExample) | 1977-01-14 |
Family
ID=22670054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7233759A Expired FR2153441B1 (enExample) | 1971-09-22 | 1972-09-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3751114A (enExample) |
| CA (1) | CA958425A (enExample) |
| DE (1) | DE2246206A1 (enExample) |
| FR (1) | FR2153441B1 (enExample) |
| GB (1) | GB1395388A (enExample) |
| IT (1) | IT965451B (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4529048A (en) * | 1982-10-06 | 1985-07-16 | Megadiamond Industries, Inc. | Inserts having two components anchored together at a non-perpendicular angle of attachment for use in rotary type drag bits |
| DE3531384A1 (de) * | 1985-09-03 | 1987-03-12 | Berchem & Schaberg Gmbh | Werkzeugaggregat fuer einen rotierenden schneidkopf einer abbaumaschine |
| US4842337A (en) * | 1986-11-04 | 1989-06-27 | Southern Philip W | Mining bit and holder |
| US5230548A (en) * | 1992-08-21 | 1993-07-27 | Southern Philip W | Longwall cutter drum having reduced production of dust |
| CN103498674A (zh) * | 2010-12-06 | 2014-01-08 | 李仕清 | 一种复合旋切的采掘机 |
| WO2014186293A1 (en) | 2013-05-16 | 2014-11-20 | Us Synthetic Corporation | Shear cutter pick milling system |
| US9434091B2 (en) * | 2013-05-16 | 2016-09-06 | Us Synthetic Corporation | Road-removal system employing polycrystalline diamond compacts |
| GB2530233B (en) * | 2013-06-18 | 2017-05-17 | Esco Corp | Mineral winning pick, pick holder, and combination |
| US10414069B2 (en) | 2014-04-30 | 2019-09-17 | Us Synthetic Corporation | Cutting tool assemblies including superhard working surfaces, material-removing machines including cutting tool assemblies, and methods of use |
| US10408057B1 (en) | 2014-07-29 | 2019-09-10 | Apergy Bmcs Acquisition Corporation | Material-removal systems, cutting tools therefor, and related methods |
| USD798920S1 (en) | 2015-09-25 | 2017-10-03 | Us Synthetic Corporation | Cutting tool assembly |
| US10648330B1 (en) | 2015-09-25 | 2020-05-12 | Us Synthetic Corporation | Cutting tool assemblies including superhard working surfaces, cutting tool mounting assemblies, material-removing machines including the same, and methods of use |
| USD798350S1 (en) | 2015-09-25 | 2017-09-26 | Us Synthetic Corporation | Cutting tool assembly |
| CN106382117B (zh) * | 2016-11-03 | 2018-11-02 | 太原理工大学 | 横轴式掘进机截齿及其截割头载荷模拟方法 |
| GB201804696D0 (en) * | 2018-03-23 | 2018-05-09 | Element Six Uk Ltd | Rock cutting machine |
| US10889966B2 (en) * | 2018-04-13 | 2021-01-12 | Caterpillar Inc. | Drafted tool bit and blade assembly |
| CN113586049B (zh) * | 2021-08-04 | 2024-05-31 | 宝钢集团新疆八一钢铁有限公司 | 一种适用于变形巷道采煤的采煤装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1866082A (en) * | 1927-08-10 | 1932-07-05 | Anthony E Carlson | Expansion drill bit |
| US1819273A (en) * | 1930-06-28 | 1931-08-18 | Edwin C Weisgerber | Expansible fish tail bit |
| US2728366A (en) * | 1952-07-11 | 1955-12-27 | Albert F Woodell | Rotary cutter heads with resilient blade holding arms |
| US2810567A (en) * | 1956-02-01 | 1957-10-22 | Gen Electric | Cutter tool assembly providing a floating fit between tool and holder |
| GB1138531A (en) * | 1965-04-02 | 1969-01-01 | Coal Industry Patents Ltd | Mining ploughs and cutter tool-mounting adaptors for use in such ploughs |
-
1971
- 1971-09-22 US US00182791A patent/US3751114A/en not_active Expired - Lifetime
-
1972
- 1972-09-21 GB GB4375372A patent/GB1395388A/en not_active Expired
- 1972-09-21 CA CA152,291A patent/CA958425A/en not_active Expired
- 1972-09-21 DE DE2246206A patent/DE2246206A1/de active Pending
- 1972-09-21 IT IT52886/72A patent/IT965451B/it active
- 1972-09-22 FR FR7233759A patent/FR2153441B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3751114A (en) | 1973-08-07 |
| GB1395388A (en) | 1975-05-29 |
| DE2246206A1 (de) | 1973-04-05 |
| CA958425A (en) | 1974-11-26 |
| IT965451B (it) | 1974-01-31 |
| FR2153441A1 (enExample) | 1973-05-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |