DE230679C - - Google Patents
Info
- Publication number
- DE230679C DE230679C DENDAT230679D DE230679DA DE230679C DE 230679 C DE230679 C DE 230679C DE NDAT230679 D DENDAT230679 D DE NDAT230679D DE 230679D A DE230679D A DE 230679DA DE 230679 C DE230679 C DE 230679C
- Authority
- DE
- Germany
- Prior art keywords
- cutting
- lever
- cutting tools
- tools
- machine according
- Prior art date
- 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.)
- Active
Links
- 239000002817 coal dust Substances 0.000 claims description 12
- 239000003245 coal Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims 1
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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
- E21C25/20—Machines slitting solely by one or more reciprocating sawing implements or reciprocating cutter chains; Shaker conveyors with cutting means
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)
- Cleaning In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE413653X | 1909-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE230679C true DE230679C (en(2012)) |
Family
ID=32448535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT230679D Active DE230679C (en(2012)) | 1909-04-05 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE230679C (en(2012)) |
FR (1) | FR413653A (en(2012)) |
GB (1) | GB191006587A (en(2012)) |
-
0
- DE DENDAT230679D patent/DE230679C/de active Active
-
1910
- 1910-03-16 GB GB191006587D patent/GB191006587A/en not_active Expired
- 1910-03-16 FR FR413653A patent/FR413653A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR413653A (fr) | 1910-08-16 |
GB191006587A (en) | 1910-11-03 |
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