FR2217523B1 - - Google Patents
Info
- Publication number
- FR2217523B1 FR2217523B1 FR7404413A FR7404413A FR2217523B1 FR 2217523 B1 FR2217523 B1 FR 2217523B1 FR 7404413 A FR7404413 A FR 7404413A FR 7404413 A FR7404413 A FR 7404413A FR 2217523 B1 FR2217523 B1 FR 2217523B1
- 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
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/23—Distribution of spraying-fluids in rotating cutter-heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB643773A GB1414917A (fr) | 1973-02-09 | 1973-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2217523A1 FR2217523A1 (fr) | 1974-09-06 |
FR2217523B1 true FR2217523B1 (fr) | 1977-09-23 |
Family
ID=9814471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7404413A Expired FR2217523B1 (fr) | 1973-02-09 | 1974-02-08 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3904246A (fr) |
FR (1) | FR2217523B1 (fr) |
GB (1) | GB1414917A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1452862A (en) * | 1974-01-18 | 1976-10-20 | Coal Industry Patents Ltd | Apparatus for ventilating cutter heads of mineral mining machines |
US4022286A (en) * | 1975-09-05 | 1977-05-10 | Leeco, Inc. | Auger |
US4087131A (en) * | 1976-11-01 | 1978-05-02 | Rapidex, Inc. | Drag bit excavation |
PL114344B1 (en) * | 1978-02-23 | 1981-01-31 | Centralny Osrodek Projektowokonstrukcyjny Maszyn Gorniczych KOMAG | Cutting member for combined mining cutter loaders |
DE2929910A1 (de) * | 1979-07-24 | 1981-02-19 | Heinz Ing Grad Hoelter | Beduesungsanordnung fuer bergebrechanlagen, vorzugsweise fuer den einsatzbereich im untertaegigen bergbau |
DE3049146C2 (de) * | 1980-12-24 | 1984-05-10 | Friedrich Wilhelm 4230 Wesel Paurat | Schrämwalze mit Sprühdüsen, welche in Bedüsungssektoren aufgeteilt ist |
US4471997A (en) * | 1981-07-03 | 1984-09-18 | Krampe & Co., Fertigung In Bergbaubedarf Gmbh | Method for depositing dust during hydraulicking of minerals by a cutter roller of a mining machine |
DE3235325A1 (de) * | 1981-10-13 | 1983-04-21 | Coal Industry (Patents) Ltd., London | Fluessigkeitsversorgungssystem fuer rotierende schneidkoepfe fuer bergwerksmaschinen mit rotierenden schneidkoepfen mit fluessigkeitsversorgungssystemen |
GB2107757B (en) * | 1981-10-13 | 1985-04-17 | Coal Ind | Rotary cutter heads for mining machines |
US4501449A (en) * | 1981-10-13 | 1985-02-26 | Coal Industry (Patents) Limited | Fluid supply for rotary cutter heads for mining machines |
US4516807A (en) * | 1981-10-13 | 1985-05-14 | Coal Industry (Patents) Limited | Fluid supply systems for rotary cutter heads for mining machines and rotary cutter heads comprising fluid supply systems |
ZA8330B (en) * | 1983-01-04 | 1983-11-30 | Krampe & Co | Rock cutting drum for a winning machine in mining in particular in underground coal mining |
GB2133435B (en) * | 1983-01-11 | 1985-11-13 | Coal Ind | Rotary cutter heads for mineral mining machines |
US4836613A (en) * | 1984-10-09 | 1989-06-06 | Adam Roger F J | Cutterhead for water jet assisted cutting |
US5145236A (en) * | 1991-05-06 | 1992-09-08 | Shell Oil Company | Method and apparatus for controlling dust produced by a continuous miner |
US9803479B2 (en) * | 2014-07-25 | 2017-10-31 | Novatek Ip, Llc | End ring degradation pick support |
WO2016057964A1 (fr) | 2014-10-10 | 2016-04-14 | Joy Mm Delaware, Inc. | Tête de coupe pour haveuse de longue taille |
CN107339102B (zh) * | 2017-06-05 | 2023-10-27 | 太原科技大学 | 一种新型采煤机螺旋滚筒 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2327497A (en) * | 1940-12-07 | 1943-08-24 | Linde Air Prod Co | Apparatus for working mineral materials and the like |
US3422913A (en) * | 1966-11-10 | 1969-01-21 | Val Dev Corp Du | Earth digging and conveying apparatus |
US3603644A (en) * | 1969-04-15 | 1971-09-07 | Harold C Mccleery | Mining ventilation apparatus and method |
GB1309005A (en) * | 1970-07-24 | 1973-03-07 | Coal Industry Patents Ltd | Rotary cutters for mineral mining machines |
BE792818A (fr) * | 1971-12-11 | 1973-03-30 | Fletcher Sutcliffe Wild Ltd | Haveuse rotative |
-
1973
- 1973-02-09 GB GB643773A patent/GB1414917A/en not_active Expired
-
1974
- 1974-02-06 US US440010A patent/US3904246A/en not_active Expired - Lifetime
- 1974-02-08 FR FR7404413A patent/FR2217523B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1414917A (fr) | 1975-11-19 |
FR2217523A1 (fr) | 1974-09-06 |
US3904246A (en) | 1975-09-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |