FR1358342A - Cutting cylinder fitted on its periphery with helical coal drive ribs - Google Patents
Cutting cylinder fitted on its periphery with helical coal drive ribsInfo
- Publication number
- FR1358342A FR1358342A FR937976A FR937976A FR1358342A FR 1358342 A FR1358342 A FR 1358342A FR 937976 A FR937976 A FR 937976A FR 937976 A FR937976 A FR 937976A FR 1358342 A FR1358342 A FR 1358342A
- Authority
- FR
- France
- Prior art keywords
- periphery
- cutting cylinder
- cylinder fitted
- drive ribs
- helical
- 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.)
- Expired
Links
- 239000003245 coal Substances 0.000 title 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
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR937976A FR1358342A (en) | 1962-06-14 | 1963-06-13 | Cutting cylinder fitted on its periphery with helical coal drive ribs |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE0023029 | 1962-06-14 | ||
FR937976A FR1358342A (en) | 1962-06-14 | 1963-06-13 | Cutting cylinder fitted on its periphery with helical coal drive ribs |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1358342A true FR1358342A (en) | 1964-04-10 |
Family
ID=25973098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR937976A Expired FR1358342A (en) | 1962-06-14 | 1963-06-13 | Cutting cylinder fitted on its periphery with helical coal drive ribs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1358342A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1264366B (en) * | 1963-07-23 | 1968-03-28 | Charbonnages De France | Schraemkopf |
-
1963
- 1963-06-13 FR FR937976A patent/FR1358342A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1264366B (en) * | 1963-07-23 | 1968-03-28 | Charbonnages De France | Schraemkopf |
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