DE2552733A1 - Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist - Google Patents
Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt istInfo
- Publication number
- DE2552733A1 DE2552733A1 DE19752552733 DE2552733A DE2552733A1 DE 2552733 A1 DE2552733 A1 DE 2552733A1 DE 19752552733 DE19752552733 DE 19752552733 DE 2552733 A DE2552733 A DE 2552733A DE 2552733 A1 DE2552733 A1 DE 2552733A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure relief
- control gas
- coating
- relief valve
- closure piece
- 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.)
- Withdrawn
Links
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 238000009713 electroplating Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 56
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000007654 immersion Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- E21D15/50—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
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)
- Safety Valves (AREA)
- Lift Valve (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752552733 DE2552733A1 (de) | 1975-11-25 | 1975-11-25 | Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist |
| FR7635228A FR2333179A1 (fr) | 1975-11-25 | 1976-11-23 | Soupape de surpression a piece obturatrice soumise a l'action d'un gaz de commande sous pression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752552733 DE2552733A1 (de) | 1975-11-25 | 1975-11-25 | Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2552733A1 true DE2552733A1 (de) | 1977-06-02 |
Family
ID=5962528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752552733 Withdrawn DE2552733A1 (de) | 1975-11-25 | 1975-11-25 | Ueberdruckventil mit einem verschlussstueck, welches durch ein unter druck stehendes steuergas beaufschlagt ist |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2552733A1 (enExample) |
| FR (1) | FR2333179A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU182182B (en) * | 1980-07-02 | 1983-12-28 | Koezponti Banyaszati Fejleszte | Pressure limiting valve particularly for hydraulic props |
| FR2504974A1 (fr) * | 1981-04-30 | 1982-11-05 | Bennes Marrel | Valve hydraulique de coulissement pour verin de mine |
-
1975
- 1975-11-25 DE DE19752552733 patent/DE2552733A1/de not_active Withdrawn
-
1976
- 1976-11-23 FR FR7635228A patent/FR2333179A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2333179B3 (enExample) | 1980-11-07 |
| FR2333179A1 (fr) | 1977-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |