BE764505A - DEVICE USED FOR TENSIONING ENDLESS TRACTION CHAIN OR CABLES MOUNTED ON CONVEYORS AND FELLING MACHINES USED IN UNDERGROUND MINING OPERATIONS - Google Patents
DEVICE USED FOR TENSIONING ENDLESS TRACTION CHAIN OR CABLES MOUNTED ON CONVEYORS AND FELLING MACHINES USED IN UNDERGROUND MINING OPERATIONSInfo
- Publication number
- BE764505A BE764505A BE764505A BE764505A BE764505A BE 764505 A BE764505 A BE 764505A BE 764505 A BE764505 A BE 764505A BE 764505 A BE764505 A BE 764505A BE 764505 A BE764505 A BE 764505A
- Authority
- BE
- Belgium
- Prior art keywords
- conveyors
- underground mining
- mining operations
- traction chain
- endless traction
- Prior art date
Links
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
- E21C29/14—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains by haulage cable or chain pulling the machine along the working face
- E21C29/145—Means for tensioning the haulage chains or cables
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)
- Braking Arrangements (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19707010314 DE7010314U (en) | 1970-03-20 | 1970-03-20 | DEVICE FOR TENSIONING ENDLESS DRAW CHAINS OR ROPES ON CONVEYORS AND EXTRACTION MACHINES IN MINING UNDERGROUND OPERATIONS. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE764505A true BE764505A (en) | 1971-08-16 |
Family
ID=6610326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE764505A BE764505A (en) | 1970-03-20 | 1971-03-19 | DEVICE USED FOR TENSIONING ENDLESS TRACTION CHAIN OR CABLES MOUNTED ON CONVEYORS AND FELLING MACHINES USED IN UNDERGROUND MINING OPERATIONS |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE764505A (en) |
DE (1) | DE7010314U (en) |
FR (1) | FR2084872A5 (en) |
GB (1) | GB1300700A (en) |
NL (1) | NL7103696A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109436688B (en) * | 2018-12-10 | 2024-02-06 | 万武勇 | Electric stop release device |
-
1970
- 1970-03-20 DE DE19707010314 patent/DE7010314U/en not_active Expired
-
1971
- 1971-03-19 BE BE764505A patent/BE764505A/en unknown
- 1971-03-19 FR FR7109678A patent/FR2084872A5/fr not_active Expired
- 1971-03-19 NL NL7103696A patent/NL7103696A/xx unknown
- 1971-04-19 GB GB2507871A patent/GB1300700A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7103696A (en) | 1971-09-22 |
FR2084872A5 (en) | 1971-12-17 |
GB1300700A (en) | 1972-12-20 |
DE7010314U (en) | 1970-07-16 |
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