JPS5312724Y2 - - Google Patents
Info
- Publication number
- JPS5312724Y2 JPS5312724Y2 JP5322173U JP5322173U JPS5312724Y2 JP S5312724 Y2 JPS5312724 Y2 JP S5312724Y2 JP 5322173 U JP5322173 U JP 5322173U JP 5322173 U JP5322173 U JP 5322173U JP S5312724 Y2 JPS5312724 Y2 JP S5312724Y2
- Authority
- JP
- Japan
- 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
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
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
-
- 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722221540 DE2221540C3 (de) | 1972-05-03 | 1972-05-03 | Mitnehmerleiste fur Schramwalzen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4934204U JPS4934204U (en:Method) | 1974-03-26 |
| JPS5312724Y2 true JPS5312724Y2 (en:Method) | 1978-04-06 |
Family
ID=5843893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5322173U Expired JPS5312724Y2 (en:Method) | 1972-05-03 | 1973-05-04 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5312724Y2 (en:Method) |
| DE (1) | DE2221540C3 (en:Method) |
| FR (1) | FR2182895B3 (en:Method) |
| GB (1) | GB1385456A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2934865C2 (de) * | 1979-08-29 | 1981-10-01 | Krampe & Co Fertigung in Bergbaubedarf GmbH, Zweigniederlassung Pelkum, 4700 Hamm | Schrämwalze |
| GB2062725B (en) | 1979-11-16 | 1983-07-20 | Coal Industry Patents Ltd | Rotary cutter heads for mining machines |
| US6764141B2 (en) * | 2002-12-19 | 2004-07-20 | Joy Mm Delaware, Inc. | Rear mounted bit holder water spray |
-
1972
- 1972-05-03 DE DE19722221540 patent/DE2221540C3/de not_active Expired
-
1973
- 1973-03-26 FR FR7310691A patent/FR2182895B3/fr not_active Expired
- 1973-05-01 GB GB2060473A patent/GB1385456A/en not_active Expired
- 1973-05-04 JP JP5322173U patent/JPS5312724Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2221540A1 (de) | 1973-11-15 |
| JPS4934204U (en:Method) | 1974-03-26 |
| FR2182895B3 (en:Method) | 1976-03-19 |
| DE2221540C3 (de) | 1975-12-04 |
| GB1385456A (en) | 1975-02-26 |
| FR2182895A1 (en:Method) | 1973-12-14 |
| DE2221540B2 (de) | 1975-04-30 |