AT396606B - Rückstauverschluss - Google Patents
Rückstauverschluss Download PDFInfo
- Publication number
- AT396606B AT396606B AT216588A AT216588A AT396606B AT 396606 B AT396606 B AT 396606B AT 216588 A AT216588 A AT 216588A AT 216588 A AT216588 A AT 216588A AT 396606 B AT396606 B AT 396606B
- Authority
- AT
- Austria
- Prior art keywords
- sealing
- pressure
- backflow
- cavity
- stop according
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 152
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000011109 contamination Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 4
- 210000003608 fece Anatomy 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 2
- 239000007844 bleaching agent Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 235000013372 meat Nutrition 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 230000008719 thickening Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
- E03F7/04—Valves for preventing return flow
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873739303 DE3739303A1 (de) | 1987-11-20 | 1987-11-20 | Rueckstauverschluss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA216588A ATA216588A (de) | 1993-02-15 |
| AT396606B true AT396606B (de) | 1993-10-25 |
Family
ID=6340856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT216588A AT396606B (de) | 1987-11-20 | 1988-09-02 | Rückstauverschluss |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT396606B (OSRAM) |
| DE (1) | DE3739303A1 (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE502008002101D1 (de) * | 2008-10-14 | 2011-02-03 | Kessel Ag | Rückstauverschluss |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509779A1 (de) * | 1985-03-19 | 1986-10-02 | Bernhard 8071 Lenting Kessel | Rueckstauverschluss |
| DE3603804A1 (de) * | 1986-02-07 | 1987-08-20 | Dallmer Gmbh & Co | Rueckschlagklappe mit achse fuer abwasserrohre |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7831439U1 (de) * | 1978-10-21 | 1979-02-01 | Buderus Ag, 6300 Lahn-Wetzlar | Dreifacher rueckstauverschluss fuer entwaesserungsleitungen |
| DE7931895U1 (de) * | 1979-11-12 | 1980-02-14 | Buderus Ag, 6330 Wetzlar | Selbsttaetiger rueckstauverschluss |
| DE3400715C2 (de) * | 1984-01-11 | 1996-02-15 | Passavant Werke | Bodenablauf mit eingebautem Rückstauverschluß |
-
1987
- 1987-11-20 DE DE19873739303 patent/DE3739303A1/de active Granted
-
1988
- 1988-09-02 AT AT216588A patent/AT396606B/de not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509779A1 (de) * | 1985-03-19 | 1986-10-02 | Bernhard 8071 Lenting Kessel | Rueckstauverschluss |
| DE3603804A1 (de) * | 1986-02-07 | 1987-08-20 | Dallmer Gmbh & Co | Rueckschlagklappe mit achse fuer abwasserrohre |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3739303C2 (OSRAM) | 1993-06-24 |
| ATA216588A (de) | 1993-02-15 |
| DE3739303A1 (de) | 1989-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EIH | Change in the person of patent owner | ||
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties | ||
| ELA | Expired due to lapse of time |