DE229997C - - Google Patents
Info
- Publication number
- DE229997C DE229997C DENDAT229997D DE229997DA DE229997C DE 229997 C DE229997 C DE 229997C DE NDAT229997 D DENDAT229997 D DE NDAT229997D DE 229997D A DE229997D A DE 229997DA DE 229997 C DE229997 C DE 229997C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- riser
- riser pipe
- space
- water
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/16—Devices for retaining foreign matter, e.g. sand
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)
- Lift Valve (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE229997C true DE229997C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=490251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT229997D Active DE229997C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE229997C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004051009A1 (en) * | 2002-12-04 | 2004-06-17 | Davidson Hydrant Security Co., Inc. | Fire hydrant with second valve |
| US7240688B2 (en) | 2002-12-04 | 2007-07-10 | Davidson Hydrant Technologies, Inc. | Retrofitting a fire hydrant with secondary valve |
| US7428910B2 (en) | 2002-12-04 | 2008-09-30 | Davidson Hydrant Technologies, Inc. | Breathable fire hydrant rod |
| US7575017B2 (en) | 2006-10-06 | 2009-08-18 | Davidson Hydrant Technologies, Inc. | Wet barrel fire hydrant system with second valve |
| US7775231B2 (en) | 2002-12-04 | 2010-08-17 | Davidson Hydrant Technologies, Inc. | Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve |
-
0
- DE DENDAT229997D patent/DE229997C/de active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004051009A1 (en) * | 2002-12-04 | 2004-06-17 | Davidson Hydrant Security Co., Inc. | Fire hydrant with second valve |
| US6868860B2 (en) | 2002-12-04 | 2005-03-22 | Davidson Hydrant Technologies, Inc. | Fire hydrant with second valve |
| US7055544B2 (en) | 2002-12-04 | 2006-06-06 | Davidson Hydrant Technologies, Inc. | Fire hydrant with a second valve |
| US7174911B2 (en) | 2002-12-04 | 2007-02-13 | Davidson Hydrant Technologies, Inc. | Fire hydrant with second valve |
| US7240688B2 (en) | 2002-12-04 | 2007-07-10 | Davidson Hydrant Technologies, Inc. | Retrofitting a fire hydrant with secondary valve |
| US7428910B2 (en) | 2002-12-04 | 2008-09-30 | Davidson Hydrant Technologies, Inc. | Breathable fire hydrant rod |
| US7775231B2 (en) | 2002-12-04 | 2010-08-17 | Davidson Hydrant Technologies, Inc. | Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve |
| US7575017B2 (en) | 2006-10-06 | 2009-08-18 | Davidson Hydrant Technologies, Inc. | Wet barrel fire hydrant system with second valve |