FR2107795A5 - - Google Patents
Info
- Publication number
- FR2107795A5 FR2107795A5 FR7133535A FR7133535A FR2107795A5 FR 2107795 A5 FR2107795 A5 FR 2107795A5 FR 7133535 A FR7133535 A FR 7133535A FR 7133535 A FR7133535 A FR 7133535A FR 2107795 A5 FR2107795 A5 FR 2107795A5
- Authority
- FR
- France
- 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
- 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
-
- 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
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4456070 | 1970-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2107795A5 true FR2107795A5 (OSRAM) | 1972-05-05 |
Family
ID=10433863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7133535A Expired FR2107795A5 (OSRAM) | 1970-09-18 | 1971-09-17 |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU433596B2 (OSRAM) |
| DE (1) | DE2146694A1 (OSRAM) |
| FR (1) | FR2107795A5 (OSRAM) |
| GB (1) | GB1347504A (OSRAM) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2344708A1 (fr) * | 1976-03-17 | 1977-10-14 | Legrand Marie | Machine perfectionnee pour l'abattage de fronts courts dans les travaux de mines |
| FR2401308A1 (fr) * | 1977-08-24 | 1979-03-23 | Summit Mining | Machine d'abattage pour les mines |
| FR2406063A1 (fr) * | 1977-10-14 | 1979-05-11 | Gesteins & Tiefbau Gmbh | Trepan de havage de roche, notamment pour mines operant par avancement en galerie |
| FR2538850A1 (fr) * | 1983-01-04 | 1984-07-06 | Krampe & Co | Rouleau haveur pour machine d'extraction de l'industrie miniere, en particulier pour l'exploitation souterraine de la houille |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371210A (en) | 1978-04-10 | 1983-02-01 | Kennametal Inc. | Freely rotatable pick bit holder on rotary driven member and method |
| GB2125857B (en) * | 1982-07-28 | 1985-08-14 | Maintel Pty Limited | Excavatory machine for use in coal and other mining operations |
| DE102008001089B3 (de) * | 2008-04-09 | 2009-08-06 | Erkat Spezialmaschinen Und Service Gmbh | Schneidkopfgrundkörper sowie Schneidkopf für eine Vortriebs- oder Gewinnungsmaschine und Verfahren zu deren Herstellung |
| BE1027426B1 (fr) * | 2019-12-03 | 2021-02-11 | Univ Shandong Science & Tech | Rouleau de machine d'extraction de charbon avec des pics irréguliers à faible consommation énergétique |
-
1970
- 1970-09-18 GB GB1347504D patent/GB1347504A/en not_active Expired
-
1971
- 1971-09-15 AU AU33494/71A patent/AU433596B2/en not_active Expired
- 1971-09-17 FR FR7133535A patent/FR2107795A5/fr not_active Expired
- 1971-09-17 DE DE19712146694 patent/DE2146694A1/de active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2344708A1 (fr) * | 1976-03-17 | 1977-10-14 | Legrand Marie | Machine perfectionnee pour l'abattage de fronts courts dans les travaux de mines |
| FR2401308A1 (fr) * | 1977-08-24 | 1979-03-23 | Summit Mining | Machine d'abattage pour les mines |
| FR2406063A1 (fr) * | 1977-10-14 | 1979-05-11 | Gesteins & Tiefbau Gmbh | Trepan de havage de roche, notamment pour mines operant par avancement en galerie |
| FR2538850A1 (fr) * | 1983-01-04 | 1984-07-06 | Krampe & Co | Rouleau haveur pour machine d'extraction de l'industrie miniere, en particulier pour l'exploitation souterraine de la houille |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1347504A (en) | 1974-02-27 |
| AU433596B2 (en) | 1973-03-29 |
| DE2146694A1 (de) | 1972-05-10 |
| AU3349471A (en) | 1973-03-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |