PL57410B1 - - Google Patents
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- Publication number
- PL57410B1 PL57410B1 PL118273A PL11827366A PL57410B1 PL 57410 B1 PL57410 B1 PL 57410B1 PL 118273 A PL118273 A PL 118273A PL 11827366 A PL11827366 A PL 11827366A PL 57410 B1 PL57410 B1 PL 57410B1
- Authority
- PL
- Poland
- Prior art keywords
- cylinder
- core box
- scraper
- piston
- stand
- Prior art date
Links
- 239000012535 impurity Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000011109 contamination Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1549102D FR1549102A (oth) | 1966-12-31 | 1967-12-28 | |
| DE19671583101 DE1583101A1 (de) | 1966-12-31 | 1967-12-29 | Hydraulischer Stempel |
| GB8668A GB1197841A (en) | 1966-12-31 | 1968-01-01 | Hydraulic Prop. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL57410B1 true PL57410B1 (oth) | 1969-02-26 |
Family
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