IT7922182A0 - Valvola a membrana di non ritorno. - Google Patents
Valvola a membrana di non ritorno.Info
- Publication number
- IT7922182A0 IT7922182A0 IT7922182A IT2218279A IT7922182A0 IT 7922182 A0 IT7922182 A0 IT 7922182A0 IT 7922182 A IT7922182 A IT 7922182A IT 2218279 A IT2218279 A IT 2218279A IT 7922182 A0 IT7922182 A0 IT 7922182A0
- Authority
- IT
- Italy
- Prior art keywords
- diaphragm valve
- return diaphragm
- return
- valve
- diaphragm
- 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
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/145—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2822131A DE2822131C2 (de) | 1978-05-20 | 1978-05-20 | Membranrückschlagventil |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7922182A0 true IT7922182A0 (it) | 1979-04-26 |
IT1113908B IT1113908B (it) | 1986-01-27 |
Family
ID=6039865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22182/79A IT1113908B (it) | 1978-05-20 | 1979-04-26 | Valvola a membrana di non ritorno |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE876317A (it) |
DE (1) | DE2822131C2 (it) |
FR (1) | FR2426199A1 (it) |
IT (1) | IT1113908B (it) |
NL (1) | NL7903314A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10236965A1 (de) * | 2002-08-13 | 2004-03-04 | Volaplast Werner Hoppach Kg | Rückschlagventil zur Verwendung in einer Scheiben- oder Scheinwerferwaschanlage eines Fahrzeugs |
DE10311502B4 (de) | 2003-03-15 | 2005-09-08 | Neoperl Gmbh | Einbauteil zum Einsetzen in eine Gas- oder Flüssigkeitsleitung |
CN105351576A (zh) * | 2015-11-26 | 2016-02-24 | 国家电网公司 | 一种单向逆止阀门 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2621889A (en) * | 1947-05-23 | 1952-12-16 | Grove Regulator Company | Expansible sleeve type valve |
FR1080029A (fr) * | 1952-05-16 | 1954-12-06 | Ver Armaturen G M B H | Fermeture à membrane pour section de passage annulaire |
DE946760C (de) * | 1952-07-26 | 1956-08-02 | Ver Armaturen Ges M B H | Membran-Rueckschlagventil |
DE1182487B (de) * | 1957-08-09 | 1964-11-26 | Ver Armaturen Gmbh | Ventil mit huelsenfoermiger Membran fuer hohen Betriebsdruck |
GB954048A (en) * | 1960-10-12 | 1964-04-02 | Helmut Balz Ges Fur Patentvwer | Improvements in or relating to non-return valves |
US3179124A (en) * | 1962-10-15 | 1965-04-20 | John M Haring | Valve |
-
1978
- 1978-05-20 DE DE2822131A patent/DE2822131C2/de not_active Expired
-
1979
- 1979-04-26 IT IT22182/79A patent/IT1113908B/it active
- 1979-04-26 NL NL7903314A patent/NL7903314A/xx active Search and Examination
- 1979-05-17 BE BE0/195210A patent/BE876317A/xx not_active IP Right Cessation
- 1979-05-18 FR FR7912705A patent/FR2426199A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2822131A1 (de) | 1979-11-22 |
IT1113908B (it) | 1986-01-27 |
FR2426199A1 (fr) | 1979-12-14 |
FR2426199B1 (it) | 1984-02-24 |
NL7903314A (nl) | 1979-11-22 |
DE2822131C2 (de) | 1982-08-26 |
BE876317A (fr) | 1979-09-17 |
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