NL192698A - - Google Patents
Info
- Publication number
- NL192698A NL192698A NL192698DA NL192698A NL 192698 A NL192698 A NL 192698A NL 192698D A NL192698D A NL 192698DA NL 192698 A NL192698 A NL 192698A
- 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
- E21D15/46—Telescopic props with load-measuring devices; with alarm devices
- E21D15/465—Telescopic props with load-measuring devices; with alarm devices with essential hydraulic or pneumatic details
-
- 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
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0433—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with vibration preventing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33503/53A GB753532A (en) | 1953-12-02 | 1953-12-02 | Improvements relating to liquid pressure relief valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL192698A true NL192698A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1900-01-01 |
Family
ID=10353808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL192698D NL192698A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1953-12-02 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1131625B (de) * | 1955-08-13 | 1962-06-20 | Kronprinz Ag | Hydraulischer Grubenstempel |
| DE1062654B (de) * | 1956-04-03 | 1959-08-06 | Kloeckner Bergbau Viktor Icker | Hydraulischer Grubenstempel |
| DE1041446B (de) * | 1957-07-04 | 1958-10-23 | Kronprinz Ag | UEberdruckventil fuer hydraulische Grubenstempel |
| DE1143469B (de) * | 1957-07-30 | 1963-02-14 | Gewerk Eisenhuette Westfalia | Ventil zur Steuerung hydraulicher Ausbaugestelle fuer bergmaennische Gewinnungsbetriebe |
| BE571152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-09-13 | |||
| DE1171382B (de) * | 1960-02-23 | 1964-06-04 | H Joe Rheinbay Dipl Ing | Hydraulischer Grubenstempel |
| DE1193909B (de) * | 1964-02-20 | 1965-06-03 | Karl Hohberg | UEberstroem-, Fuell- und Entleerungsventil fuer hydraulische Grubenstempel |
-
0
- BE BE533818D patent/BE533818A/xx unknown
- NL NL192698D patent/NL192698A/xx unknown
-
1953
- 1953-12-02 GB GB33503/53A patent/GB753532A/en not_active Expired
-
1954
- 1954-12-02 DE DED19227A patent/DE967341C/de not_active Expired
- 1954-12-02 FR FR1114705D patent/FR1114705A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE967341C (de) | 1957-11-07 |
| FR1114705A (fr) | 1956-04-16 |
| GB753532A (en) | 1956-07-25 |
| BE533818A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1900-01-01 |