PL203162A1 - Wrebiarka gornicza - Google Patents
Wrebiarka gorniczaInfo
- Publication number
- PL203162A1 PL203162A1 PL20316277A PL20316277A PL203162A1 PL 203162 A1 PL203162 A1 PL 203162A1 PL 20316277 A PL20316277 A PL 20316277A PL 20316277 A PL20316277 A PL 20316277A PL 203162 A1 PL203162 A1 PL 203162A1
- Authority
- PL
- Poland
- Prior art keywords
- weaker
- core
- core weaker
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Discharge Of Articles From Conveyors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB53244/76A GB1551847A (en) | 1976-12-21 | 1976-12-21 | Mining machines |
Publications (2)
Publication Number | Publication Date |
---|---|
PL203162A1 true PL203162A1 (pl) | 1978-07-17 |
PL107975B1 PL107975B1 (pl) | 1980-03-31 |
Family
ID=10467127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1977203162A PL107975B1 (pl) | 1976-12-21 | 1977-12-20 | Mining cutter wrebiarka gornicza |
Country Status (4)
Country | Link |
---|---|
US (1) | US4190295A (pl) |
DE (1) | DE2754569A1 (pl) |
GB (1) | GB1551847A (pl) |
PL (1) | PL107975B1 (pl) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199193A (en) * | 1978-07-28 | 1980-04-22 | Acme Machinery Company | Underground mining machine having temporary roof support means and roof bolting means associated therewith |
US4298231A (en) * | 1978-12-29 | 1981-11-03 | Spence Adam M | Apparatus for use in under-ground long wall mine workings |
DE3604488C3 (de) * | 1986-02-13 | 1994-07-07 | Halbach & Braun Ind Anlagen | Antriebsstation für einen Kettenförderer, insbesondere Strebförderer |
DE10044919B4 (de) * | 2000-09-12 | 2009-02-26 | Bucyrus Germany Service Gmbh | Spanneinheit für die Triebstockkette insbesondere eines Walzenladers |
US9975589B2 (en) * | 2016-02-19 | 2018-05-22 | Caterpillar Global Mining America Llc | Lock plate configured to retain wear runner |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1229238A (pl) * | 1968-12-20 | 1971-04-21 | ||
US3658385A (en) * | 1970-07-15 | 1972-04-25 | Coal Industry Patents Ltd | Mining machine having vertically adjustable chain cutter |
DE2135164C3 (de) * | 1971-07-14 | 1980-04-30 | Gewerkschaft Eisenhuette Westfalia, 4670 Luenen | Kohlengewinnungsanlage, bestehend aus einem vor dem Kohlenstoß liegenden Förderer, an welchem ein Kohlenhobel geführt ist |
SU631083A3 (ru) * | 1974-12-06 | 1978-10-30 | Геверкшафт Эйзенхютте Вестфалия (Фирма) | Добычна установка |
-
1976
- 1976-12-21 GB GB53244/76A patent/GB1551847A/en not_active Expired
-
1977
- 1977-12-05 US US05/857,455 patent/US4190295A/en not_active Expired - Lifetime
- 1977-12-08 DE DE19772754569 patent/DE2754569A1/de not_active Ceased
- 1977-12-20 PL PL1977203162A patent/PL107975B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
DE2754569A1 (de) | 1978-06-22 |
US4190295A (en) | 1980-02-26 |
PL107975B1 (pl) | 1980-03-31 |
GB1551847A (en) | 1979-09-05 |
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