DE236645C - - Google Patents
Info
- Publication number
- DE236645C DE236645C DENDAT236645D DE236645DA DE236645C DE 236645 C DE236645 C DE 236645C DE NDAT236645 D DENDAT236645 D DE NDAT236645D DE 236645D A DE236645D A DE 236645DA DE 236645 C DE236645 C DE 236645C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- hydrant
- shut
- standpipe
- opening
- 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 7
- 230000001681 protective Effects 0.000 description 5
- 210000000078 Claw Anatomy 0.000 description 3
- 239000004576 sand Substances 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 |
---|---|
DE236645C true DE236645C (sv) |
Family
ID=496319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT236645D Active DE236645C (sv) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE236645C (sv) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580198A (en) * | 1947-04-04 | 1951-12-25 | J A Zurn Mfg Company | Check valve and venting means for hydrants |
US2580199A (en) * | 1947-04-04 | 1951-12-25 | J A Zurn Mfg Company | Nonfreezing hydrant |
US2605781A (en) * | 1946-09-23 | 1952-08-05 | J A Zurn Mfg Company | Hydrant |
US2630130A (en) * | 1949-05-19 | 1953-03-03 | Murdock Mfg & Supply Company | Water service fixture |
US2664096A (en) * | 1947-11-21 | 1953-12-29 | Murdock Mfg & Supply Company | Water service fixture |
DE19933453A1 (de) * | 1999-07-16 | 2001-02-08 | Pfitzner Heinz Juergen | Rückflußverhinderer für Unterflurhydranten |
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 |
US7520294B2 (en) | 2006-06-21 | 2009-04-21 | Mueller International, Inc. | Hydrant shoe with backflow prevention assembly |
US7559338B2 (en) | 2005-08-04 | 2009-07-14 | Mueller International, Inc. | Keyless fire hydrant protection system |
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 DENDAT236645D patent/DE236645C/de active Active
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2605781A (en) * | 1946-09-23 | 1952-08-05 | J A Zurn Mfg Company | Hydrant |
US2580198A (en) * | 1947-04-04 | 1951-12-25 | J A Zurn Mfg Company | Check valve and venting means for hydrants |
US2580199A (en) * | 1947-04-04 | 1951-12-25 | J A Zurn Mfg Company | Nonfreezing hydrant |
US2664096A (en) * | 1947-11-21 | 1953-12-29 | Murdock Mfg & Supply Company | Water service fixture |
US2630130A (en) * | 1949-05-19 | 1953-03-03 | Murdock Mfg & Supply Company | Water service fixture |
DE19933453A1 (de) * | 1999-07-16 | 2001-02-08 | Pfitzner Heinz Juergen | Rückflußverhinderer für Unterflurhydranten |
DE19933453C2 (de) * | 1999-07-16 | 2001-11-22 | Pfitzner Heinz Juergen | Rückflußverhinderer für Unterflurhydranten |
US6868860B2 (en) * | 2002-12-04 | 2005-03-22 | Davidson Hydrant Technologies, Inc. | Fire hydrant with second valve |
WO2004051009A1 (en) * | 2002-12-04 | 2004-06-17 | Davidson Hydrant Security Co., 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 |
US7559338B2 (en) | 2005-08-04 | 2009-07-14 | Mueller International, Inc. | Keyless fire hydrant protection system |
US7520294B2 (en) | 2006-06-21 | 2009-04-21 | Mueller International, Inc. | Hydrant shoe with backflow prevention assembly |
US7686031B2 (en) | 2006-06-21 | 2010-03-30 | Mueller International, Inc. | Hydrant shoe with backflow prevention assembly |
US7575017B2 (en) | 2006-10-06 | 2009-08-18 | Davidson Hydrant Technologies, Inc. | Wet barrel fire hydrant system with second valve |
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