FIELD: purifying liquids. SUBSTANCE: filtering member has coating 1, insulation 2, filtering material, and base 4. The filtering member is made up as perforated coverings arranged in layers horizontally or vertically. Cuts of coverings serve as a filler. EFFECT: improved quality of filtering. 7 cl, 5 dwg
Title | Year | Author | Number |
---|---|---|---|
0 |
|
SU1779273A3 | |
CURBSTONE ARRANGEMENT OF ROAD CROSSING | 1990 |
|
RU2013490C1 |
WALL OF TEMPORARY STRUCTURE | 0 |
|
SU1728412A1 |
VIBRATION-SHOCK PROTECTIVE MEMBER | 0 |
|
SU1760992A3 |
BRIDGE PASSAGE ACROSS RIVER OR RAVINE | 0 |
|
SU1823888A3 |
WALL FENCE | 0 |
|
SU1815314A1 |
EARTHQUAKE-PROOF BUILDING | 0 |
|
SU1761930A1 |
VIBRATION-SHOCK PROTECTIVE MEMBER | 0 |
|
SU1760993A3 |
FLOATING BRIDGE OVER RIVULET OR RAVINE | 0 |
|
SU1834948A3 |
DAM | 0 |
|
SU1767074A1 |
Authors
Dates
1995-12-10—Published
1991-09-10—Filed