BE426870A - - Google Patents
Info
- Publication number
- BE426870A BE426870A BE426870DA BE426870A BE 426870 A BE426870 A BE 426870A BE 426870D A BE426870D A BE 426870DA BE 426870 A BE426870 A BE 426870A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
- E21C25/28—Chains or chain guides
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)
- Chain Conveyers (AREA)
- Sawing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7304/37A GB482637A (en) | 1937-03-12 | 1937-03-12 | Improvements in or relating to coal cutting and like machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426870A true BE426870A (cg-RX-API-DMAC7.html) |
Family
ID=9830558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426870D BE426870A (cg-RX-API-DMAC7.html) | 1937-03-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2189669A (cg-RX-API-DMAC7.html) |
| BE (1) | BE426870A (cg-RX-API-DMAC7.html) |
| FR (1) | FR835071A (cg-RX-API-DMAC7.html) |
| GB (1) | GB482637A (cg-RX-API-DMAC7.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2650813A (en) * | 1949-08-06 | 1953-09-01 | Joy Mfg Co | Disintegrating and gathering chain structure |
| US7628424B2 (en) * | 2006-12-08 | 2009-12-08 | Innerworx, Llc | Trenching machine with linked chain |
| EP2454418A4 (en) * | 2009-07-13 | 2014-06-11 | Vermeer Mfg Co | SHEARED EXTRACTION COMPONENT |
-
0
- BE BE426870D patent/BE426870A/xx unknown
-
1937
- 1937-03-12 GB GB7304/37A patent/GB482637A/en not_active Expired
-
1938
- 1938-03-07 US US194454A patent/US2189669A/en not_active Expired - Lifetime
- 1938-03-10 FR FR835071D patent/FR835071A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR835071A (fr) | 1938-12-12 |
| US2189669A (en) | 1940-02-06 |
| GB482637A (en) | 1938-04-01 |