AT334296B - BACKFLOW PREVENTION - Google Patents
BACKFLOW PREVENTIONInfo
- Publication number
- AT334296B AT334296B AT644475A AT644475A AT334296B AT 334296 B AT334296 B AT 334296B AT 644475 A AT644475 A AT 644475A AT 644475 A AT644475 A AT 644475A AT 334296 B AT334296 B AT 334296B
- Authority
- AT
- Austria
- Prior art keywords
- backflow prevention
- backflow
- prevention
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742445231 DE2445231A1 (en) | 1974-09-21 | 1974-09-21 | BACKFLOW PREVENTORS |
Publications (2)
Publication Number | Publication Date |
---|---|
AT334296B true AT334296B (en) | 1976-01-10 |
ATA644475A ATA644475A (en) | 1976-04-15 |
Family
ID=5926436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT644475A AT334296B (en) | 1974-09-21 | 1975-08-20 | BACKFLOW PREVENTION |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT334296B (en) |
CH (1) | CH588028A5 (en) |
DE (1) | DE2445231A1 (en) |
FR (1) | FR2285560A1 (en) |
NL (1) | NL155928B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2483038B1 (en) * | 1980-05-20 | 1986-06-20 | Tech Systemes Elabores | RETAINING VALVE |
NL8702757A (en) * | 1987-11-18 | 1989-06-16 | Wisa Bv | CHECK VALVE. |
DE3922197A1 (en) * | 1988-10-03 | 1990-04-05 | Voss Richard Grubenausbau | Self sealing valve, especially non-return valve - consists of piston in tubular housing with compression spring |
FR2663392B1 (en) * | 1990-06-18 | 1992-11-06 | Comap | SEALING DEVICE FOR FIXED MEMBER. |
DE20021449U1 (en) | 2000-12-19 | 2001-03-01 | Man Roland Druckmaschinen Ag, 63069 Offenbach | Check valve for machine tools |
ES2185468B1 (en) * | 2000-12-21 | 2005-05-16 | Genebre, S.A. | RETENTION VALVE. |
DE10110525A1 (en) * | 2001-03-05 | 2002-09-12 | Kludi Gmbh & Co Kg | Water pipe insert with reflux check valve fitted into water channel and bypass with excess pressure valve to guide water past check valve |
DE102004006632A1 (en) * | 2004-02-10 | 2005-08-25 | Ritag Ritterhuder Armaturen Gmbh & Co. Armaturenwerk Kg | Return valve in particular for use in food or pharmaceutical industry, comprising no depressions or projections at inner surfaces |
ES2262382B1 (en) * | 2004-03-11 | 2007-11-01 | Genebre, S.A. | RETENTION VALVE. |
DE102004016404A1 (en) * | 2004-03-25 | 2005-10-13 | Hansgrohe Ag | Non-return valve for a sanitary appliance comprises a valve seat arranged in a cylindrical housing, a valve body interacting with the valve seat, and a contact surface in the region of one end of the non-return valve |
ES2291125B1 (en) * | 2006-08-01 | 2009-01-16 | Genebre S.A. | RETENTION VALVE. |
CN116254896B (en) * | 2023-01-03 | 2023-11-03 | 河北天昕建设集团有限公司 | Wall evaporative cooling device utilizing non-traditional water source |
-
1974
- 1974-09-21 DE DE19742445231 patent/DE2445231A1/en not_active Withdrawn
-
1975
- 1975-08-20 AT AT644475A patent/AT334296B/en not_active IP Right Cessation
- 1975-08-25 NL NL7509988A patent/NL155928B/en not_active IP Right Cessation
- 1975-09-04 CH CH1148075A patent/CH588028A5/xx not_active IP Right Cessation
- 1975-09-19 FR FR7528875A patent/FR2285560A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ATA644475A (en) | 1976-04-15 |
NL7509988A (en) | 1976-03-23 |
DE2445231A1 (en) | 1976-04-08 |
NL155928B (en) | 1978-02-15 |
FR2285560A1 (en) | 1976-04-16 |
FR2285560B1 (en) | 1979-08-24 |
CH588028A5 (en) | 1977-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |