NL6513272A - - Google Patents
Info
- Publication number
- NL6513272A NL6513272A NL6513272A NL6513272A NL6513272A NL 6513272 A NL6513272 A NL 6513272A NL 6513272 A NL6513272 A NL 6513272A NL 6513272 A NL6513272 A NL 6513272A NL 6513272 A NL6513272 A NL 6513272A
- Authority
- NL
- Netherlands
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/02—Detachable closure members; Means for tightening closures
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Actuator (AREA)
- Food-Manufacturing Devices (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG41819A DE1226972B (de) | 1964-10-20 | 1964-10-20 | Hydraulischer Doppel-Teleskopstempel |
| DEG0043012 | 1965-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6513272A true NL6513272A (en:Method) | 1966-04-21 |
Family
ID=27210640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6513272A NL6513272A (en:Method) | 1964-10-20 | 1965-10-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3301519A (en:Method) |
| BE (1) | BE671064A (en:Method) |
| DE (1) | DE1226972B (en:Method) |
| FR (1) | FR1459137A (en:Method) |
| GB (1) | GB1124096A (en:Method) |
| NL (1) | NL6513272A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS481663U (en:Method) * | 1971-06-01 | 1973-01-10 | ||
| DE2924380A1 (de) * | 1979-06-16 | 1981-01-08 | Gewerk Eisenhuette Westfalia | Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben |
| ZA804072B (en) * | 1979-08-07 | 1981-06-24 | Dobson Park Ind | Telescoping jack |
| US5219429A (en) * | 1992-08-10 | 1993-06-15 | Shelton Bill E | Hydra-lift system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1928533A (en) * | 1933-01-20 | 1933-09-26 | Milford T Goss | Jack |
| DE1063101B (de) * | 1956-02-20 | 1959-08-13 | Gutehoffnungshuette Sterkrade | Hydraulischer Grubenstempel |
| DE1123640B (de) * | 1957-12-23 | 1962-02-15 | Kloeckner Werke Ag | Doppelt ausfahrbarer hydraulischer Grubenstempel |
| BE607500A (en:Method) * | 1960-09-02 | |||
| DE1149678B (de) * | 1960-09-15 | 1963-06-06 | Rheinstahl Gmbh Wanheim | Mehrstufiger hydraulischer Grubenstempel |
| NL274871A (en:Method) * | 1961-02-18 | |||
| BE632029A (en:Method) * | 1962-05-12 | |||
| BE655844A (en:Method) * | 1963-11-29 | 1965-03-16 |
-
1964
- 1964-10-20 DE DEG41819A patent/DE1226972B/de active Pending
-
1965
- 1965-09-28 FR FR32871A patent/FR1459137A/fr not_active Expired
- 1965-10-06 GB GB42432/65A patent/GB1124096A/en not_active Expired
- 1965-10-13 NL NL6513272A patent/NL6513272A/xx unknown
- 1965-10-18 US US496822A patent/US3301519A/en not_active Expired - Lifetime
- 1965-10-19 BE BE671064D patent/BE671064A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE671064A (en:Method) | 1966-04-19 |
| US3301519A (en) | 1967-01-31 |
| GB1124096A (en) | 1968-08-21 |
| DE1226972B (de) | 1966-10-20 |
| FR1459137A (fr) | 1966-11-18 |