DE2101475A1 - Hydraulischer Grubenstempel - Google Patents
Hydraulischer GrubenstempelInfo
- Publication number
- DE2101475A1 DE2101475A1 DE19712101475 DE2101475A DE2101475A1 DE 2101475 A1 DE2101475 A1 DE 2101475A1 DE 19712101475 DE19712101475 DE 19712101475 DE 2101475 A DE2101475 A DE 2101475A DE 2101475 A1 DE2101475 A1 DE 2101475A1
- Authority
- DE
- Germany
- Prior art keywords
- punch
- cylinder
- ring
- valve
- stamp
- Prior art date
- 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.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712101475 DE2101475A1 (de) | 1971-01-14 | 1971-01-14 | Hydraulischer Grubenstempel |
| AT1005671A AT310698B (de) | 1971-01-14 | 1971-11-22 | Hydraulischer Grubenstempel |
| BE775745A BE775745A (fr) | 1971-01-14 | 1971-11-24 | Etancon de mine hydraulique |
| FR7200915A FR2121777B1 (OSRAM) | 1971-01-14 | 1972-01-12 |
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 |
|---|---|
| DE2101475A1 true DE2101475A1 (de) | 1972-08-03 |
Family
ID=5795796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712101475 Pending DE2101475A1 (de) | 1971-01-14 | 1971-01-14 | Hydraulischer Grubenstempel |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT310698B (OSRAM) |
| BE (1) | BE775745A (OSRAM) |
| DE (1) | DE2101475A1 (OSRAM) |
| FR (1) | FR2121777B1 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2603978A1 (de) * | 1976-02-03 | 1977-08-04 | Thyssen Industrie | Hydraulischer 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2603978A1 (de) * | 1976-02-03 | 1977-08-04 | Thyssen Industrie | Hydraulischer grubenstempel |
Also Published As
| Publication number | Publication date |
|---|---|
| AT310698B (de) | 1973-10-10 |
| BE775745A (fr) | 1972-03-16 |
| FR2121777A1 (OSRAM) | 1972-08-25 |
| FR2121777B1 (OSRAM) | 1974-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0349942B1 (de) | Hydraulischer Stahlgrubenstempel | |
| DE2923902A1 (de) | Kupplung | |
| DE2803283C2 (de) | Überdruckventil für hydraulische Grubenstempel | |
| DE3314837C2 (OSRAM) | ||
| DE1920311U (de) | Vorrichtung fur fahrzeug mit hydraulischen bremsen zur veranderung der bremskraft auf die fahrzeugraeder in abhangigkeit von der radlast. | |
| DE2815919A1 (de) | Ueberdruckventil fuer hydraulische ausbauelemente des untertaegigen grubenbetriebs, vornehmlich fuer den steinkohlebergbau | |
| CH682335A5 (OSRAM) | ||
| DE2101475A1 (de) | Hydraulischer Grubenstempel | |
| DE4307265C1 (de) | Vorrichtung zur Endlagendämpfung eines Kolbens in Druckflüssigkeitszylindern | |
| DE3303877C2 (de) | Einzelstempelventil | |
| DE8216072U1 (de) | Druckbegrenzungsventil | |
| DE3518472C2 (OSRAM) | ||
| DE7101150U (de) | Hydraulischer grubenstempel | |
| DE3007055C2 (de) | Sprühdüse für eine Gewinnungsmaschine des Bergbaus | |
| AT216199B (de) | Spannvorrichtung für die Bewehrungsdrähte (Bewehrungsseile) von Stahlbetonteilen | |
| DE3710348A1 (de) | Hydraulikzylinder | |
| EP0133241B1 (de) | Schubkolbenantrieb | |
| DE3504878A1 (de) | Einzelstempelventil mit zentraldichtung | |
| DE719410C (de) | Verriegelungseinrichtung fuer druckmittelbetaetigte Verstellstreben fuer Flugzeuge | |
| DE957925C (de) | Mechanische Betätigungsvorrichtung fur das Druckmmderungsventil von hydraulischen Grubenstempeln | |
| DE1230383B (de) | Bohrspuelungsdrosselventil | |
| DE1500164A1 (de) | Kolbenschieber | |
| AT386651B (de) | Einrichtung zur zufuehrung von fluessigkeit zu austrittsduesen am umfang eines schraemwerkzeuges | |
| DE3712635A1 (de) | Hydraulischer arbeitszylinder, insbesondere in im bergbau ueblichen stempeln | |
| AT340855B (de) | Druckbegrenzungsventil, insbesondere fur hydraulische grubenstempel |