NL261134A - - Google Patents
Info
- Publication number
- NL261134A NL261134A NL261134DA NL261134A NL 261134 A NL261134 A NL 261134A NL 261134D A NL261134D A NL 261134DA NL 261134 A NL261134 A NL 261134A
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32631—Universal ball and socket
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)
- Actuator (AREA)
- Forging (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB56733A DE1198306B (de) | 1960-02-19 | 1960-02-19 | Hydraulischer Grubenstempel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL261134A true NL261134A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=6971441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL261134D NL261134A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-02-19 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3313347A (en) * | 1963-01-09 | 1967-04-11 | Gray Tool Co | Well completion procedures and apparatus |
| US3395619A (en) * | 1965-08-23 | 1968-08-06 | Grebe Konrad | Hydraulic propping apparatus with automatic overload protection means |
| CH551578A (de) * | 1973-03-20 | 1974-07-15 | Von Roll Ag | Kolben fuer kolbenmaschine. |
| JPS5523008Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-10-15 | 1980-05-31 | ||
| US4142449A (en) * | 1976-02-03 | 1979-03-06 | Thyssen Industrie Ag | Hydraulic mine prop |
| EP0085687B1 (en) * | 1981-08-13 | 1988-11-09 | Commonwealth Scientific And Industrial Research Organisation | Reciprocatory piston and cylinder machine |
| US5205382A (en) * | 1990-10-09 | 1993-04-27 | The B. F. Goodrich Company | Aircraft brake |
| US5413031A (en) * | 1994-01-06 | 1995-05-09 | Parker-Hannifin Corporation | Alignment coupler for linear device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE918561C (de) * | 1951-08-08 | 1954-09-30 | Arthur Hamel | Hydraulischer Grubenstempel |
| DE1012275B (de) * | 1953-09-09 | 1957-07-18 | Coal Industry Patents Ltd | Grubenstempel |
| GB772543A (en) * | 1954-06-26 | 1957-04-17 | Gullick Ltd | Improvements in or relating to props, chocks, and like roof supporting structures |
| DE1009137B (de) * | 1955-12-14 | 1957-05-29 | Hermann Schwarz K G | Hydraulischer Grubenstempel mit rohrfoermigem Innen- und Aussenteil |
-
0
- NL NL261134D patent/NL261134A/xx unknown
- BE BE600368D patent/BE600368A/xx unknown
-
1960
- 1960-02-19 DE DEB56733A patent/DE1198306B/de active Pending
-
1961
- 1961-01-20 AT AT50761A patent/AT250271B/de active
- 1961-02-09 GB GB4887/61A patent/GB961983A/en not_active Expired
-
1962
- 1962-12-04 US US243199A patent/US3172340A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB961983A (en) | 1964-06-24 |
| AT250271B (de) | 1966-11-10 |
| DE1198306B (de) | 1965-08-12 |
| US3172340A (en) | 1965-03-09 |
| BE600368A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |