AT310698B - Hydraulischer Grubenstempel - Google Patents
Hydraulischer GrubenstempelInfo
- Publication number
- AT310698B AT310698B AT1005671A AT1005671A AT310698B AT 310698 B AT310698 B AT 310698B AT 1005671 A AT1005671 A AT 1005671A AT 1005671 A AT1005671 A AT 1005671A AT 310698 B AT310698 B AT 310698B
- Authority
- AT
- Austria
- Prior art keywords
- hydraulic pit
- ram
- pit ram
- hydraulic
- pit
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712101475 DE2101475A1 (de) | 1971-01-14 | 1971-01-14 | Hydraulischer Grubenstempel |
Publications (1)
Publication Number | Publication Date |
---|---|
AT310698B true AT310698B (de) | 1973-10-10 |
Family
ID=5795796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1005671A AT310698B (de) | 1971-01-14 | 1971-11-22 | Hydraulischer Grubenstempel |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT310698B (de) |
BE (1) | BE775745A (de) |
DE (1) | DE2101475A1 (de) |
FR (1) | FR2121777B1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603978C3 (de) * | 1976-02-03 | 1982-10-14 | Thyssen Industrie Ag, 4300 Essen | Gebirgsschlagventilanordnung in einem hydraulischen Grubenstempel |
-
1971
- 1971-01-14 DE DE19712101475 patent/DE2101475A1/de active Pending
- 1971-11-22 AT AT1005671A patent/AT310698B/de not_active IP Right Cessation
- 1971-11-24 BE BE775745A patent/BE775745A/xx unknown
-
1972
- 1972-01-12 FR FR7200915A patent/FR2121777B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2121777A1 (de) | 1972-08-25 |
FR2121777B1 (de) | 1974-06-21 |
DE2101475A1 (de) | 1972-08-03 |
BE775745A (fr) | 1972-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |