PL43255B1 - - Google Patents
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- Publication number
- PL43255B1 PL43255B1 PL43255A PL4325558A PL43255B1 PL 43255 B1 PL43255 B1 PL 43255B1 PL 43255 A PL43255 A PL 43255A PL 4325558 A PL4325558 A PL 4325558A PL 43255 B1 PL43255 B1 PL 43255B1
- Authority
- PL
- Poland
- Prior art keywords
- ring
- hoist
- tube
- stand according
- pipe
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims 1
- 230000036633 rest Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL43255B1 true PL43255B1 (ru) | 1960-04-15 |
Family
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