PL84151B1 - - Google Patents
Download PDFInfo
- Publication number
- PL84151B1 PL84151B1 PL1973165177A PL16517773A PL84151B1 PL 84151 B1 PL84151 B1 PL 84151B1 PL 1973165177 A PL1973165177 A PL 1973165177A PL 16517773 A PL16517773 A PL 16517773A PL 84151 B1 PL84151 B1 PL 84151B1
- Authority
- PL
- Poland
- Prior art keywords
- knife
- head
- screw
- wall
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 4
- 150000003254 radicals Chemical class 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 238000005452 bending Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
- E21C27/44—Planing knives
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)
- Knives (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2244977A DE2244977C3 (de) | 1972-09-14 | 1972-09-14 | Meißel, insbesondere für Kohlenhobel u.dgl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL84151B1 true PL84151B1 (US20030199744A1-20031023-C00003.png) | 1976-03-31 |
Family
ID=5856240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1973165177A PL84151B1 (US20030199744A1-20031023-C00003.png) | 1972-09-14 | 1973-09-12 |
Country Status (7)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2749830C2 (de) * | 1977-11-08 | 1985-10-24 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hobelmeißel |
| DE3122868C2 (de) * | 1981-06-10 | 1986-06-26 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hobelmeißelbefestigung, insbesondere für Kohlenhobel |
| FR2530724A1 (fr) * | 1982-07-21 | 1984-01-27 | Eurotungstene | Systeme de montage des secteurs porte-pics sur une roue de trancheuse ou tambour de fraise |
| AU578637B2 (en) * | 1983-12-03 | 1988-11-03 | N.L. Petroleum Products Ltd. | Rotary drill bits and cutting elements for such bits |
| DE3433277A1 (de) * | 1984-09-11 | 1986-03-20 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Bodenmeissel fuer kohlenhobel |
| DE8633094U1 (de) * | 1986-12-10 | 1987-02-19 | Halbach & Braun Industrieanlagen, 5600 Wuppertal | Werkzeugaggregat für Gewinnungsmaschinen, insbesondere Kohlenhobel oder Schrämmaschinen |
| DE3900140C1 (US20030199744A1-20031023-C00003.png) * | 1989-01-04 | 1990-08-16 | Halbach & Braun Industrieanlagen, 5600 Wuppertal, De | |
| US5678645A (en) * | 1995-11-13 | 1997-10-21 | Baker Hughes Incorporated | Mechanically locked cutters and nozzles |
| US5983534A (en) * | 1997-09-17 | 1999-11-16 | G. H. Hensley Industries, Inc. | Rotary lock system for excavating tooth/adapter assembly |
| DE10221764C1 (de) * | 2002-05-15 | 2003-11-27 | Wirtgen Gmbh | Halterung für einen Schaftmeißel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1595112A (en) * | 1925-09-23 | 1926-08-10 | Stockland Road Machinery Compa | Scarifying device |
| US2190674A (en) * | 1936-01-21 | 1940-02-20 | Sullivan Machinery Co | Cutter chain |
| US3271080A (en) * | 1964-02-06 | 1966-09-06 | Gen Electric | Cutter bit assembly for mining machines |
-
0
- BE BE795710D patent/BE795710A/xx not_active IP Right Cessation
-
1972
- 1972-09-14 DE DE2244977A patent/DE2244977C3/de not_active Expired
-
1973
- 1973-02-05 FR FR7303914A patent/FR2230853B1/fr not_active Expired
- 1973-09-12 PL PL1973165177A patent/PL84151B1/pl unknown
- 1973-09-12 CS CS736325A patent/CS212290B2/cs unknown
- 1973-09-13 GB GB4299873A patent/GB1433164A/en not_active Expired
- 1973-09-24 US US400412A patent/US3904247A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2244977A1 (de) | 1974-03-21 |
| FR2230853B1 (US20030199744A1-20031023-C00003.png) | 1976-09-10 |
| BE795710A (fr) | 1973-06-18 |
| DE2244977C3 (de) | 1981-01-08 |
| CS212290B2 (en) | 1982-03-26 |
| GB1433164A (en) | 1976-04-22 |
| US3904247A (en) | 1975-09-09 |
| DE2244977B2 (de) | 1980-04-30 |
| FR2230853A1 (US20030199744A1-20031023-C00003.png) | 1974-12-20 |
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