NL7405811A - - Google Patents
Info
- Publication number
- NL7405811A NL7405811A NL7405811A NL7405811A NL7405811A NL 7405811 A NL7405811 A NL 7405811A NL 7405811 A NL7405811 A NL 7405811A NL 7405811 A NL7405811 A NL 7405811A NL 7405811 A NL7405811 A NL 7405811A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/082—Closures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/7043—Guards and shields
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7898—Pivoted valves
- Y10T137/7903—Weight biased
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2094273A GB1408097A (en) | 1973-05-02 | 1973-05-02 | Fluid flow control vavles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7405811A true NL7405811A (xx) | 1974-11-05 |
Family
ID=10154444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7405811A NL7405811A (xx) | 1973-05-02 | 1974-05-01 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3938548A (xx) |
| JP (1) | JPS5015121A (xx) |
| AU (1) | AU475867B2 (xx) |
| BR (1) | BR7403574D0 (xx) |
| CA (1) | CA986388A (xx) |
| DE (1) | DE2420925A1 (xx) |
| ES (1) | ES425806A1 (xx) |
| GB (1) | GB1408097A (xx) |
| IT (1) | IT1010370B (xx) |
| NL (1) | NL7405811A (xx) |
| ZA (1) | ZA742527B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5322201U (xx) * | 1976-08-02 | 1978-02-24 | ||
| US5601117A (en) * | 1995-02-21 | 1997-02-11 | Trw Inc. | Flap-type pressure relief valve |
| JP4698657B2 (ja) * | 2007-11-14 | 2011-06-08 | 株式会社ヤマダコーポレーション | 弁装置 |
| CN108560489A (zh) * | 2018-04-01 | 2018-09-21 | 贺健元 | 快速截流管 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1063637A (en) * | 1912-04-06 | 1913-06-03 | Fred Barker | Sewer-valve. |
| US2112630A (en) * | 1935-09-11 | 1938-03-29 | Chain Belt Co | Valve |
| US2882923A (en) * | 1955-06-28 | 1959-04-21 | Smolensky Michael | Backwater check means for drainage systems |
| US3128785A (en) * | 1961-03-15 | 1964-04-14 | Walworth Co | Check valve for relatively large size pipes |
| US3292658A (en) * | 1963-07-15 | 1966-12-20 | Scaramucci Domer | Check valve and resilient hinge structure and method for manufacturing same |
| US3613720A (en) * | 1969-01-27 | 1971-10-19 | G & H Products Inc | Check valve assembly |
| US3809119A (en) * | 1972-05-01 | 1974-05-07 | Coplastix Ltd | Valves |
-
1973
- 1973-05-02 GB GB2094273A patent/GB1408097A/en not_active Expired
-
1974
- 1974-04-16 US US05/461,310 patent/US3938548A/en not_active Expired - Lifetime
- 1974-04-16 CA CA198,177A patent/CA986388A/en not_active Expired
- 1974-04-19 AU AU68076/74A patent/AU475867B2/en not_active Expired
- 1974-04-19 ZA ZA00742527A patent/ZA742527B/xx unknown
- 1974-04-26 DE DE2420925A patent/DE2420925A1/de not_active Withdrawn
- 1974-04-30 ES ES425806A patent/ES425806A1/es not_active Expired
- 1974-05-01 NL NL7405811A patent/NL7405811A/xx not_active Application Discontinuation
- 1974-05-02 JP JP49049645A patent/JPS5015121A/ja active Pending
- 1974-05-02 IT IT22234/74A patent/IT1010370B/it active
- 1974-05-02 BR BR3574/74A patent/BR7403574D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2420925A1 (de) | 1974-11-21 |
| JPS5015121A (xx) | 1975-02-18 |
| ZA742527B (en) | 1975-11-26 |
| AU6807674A (en) | 1975-10-23 |
| BR7403574D0 (pt) | 1974-12-31 |
| US3938548A (en) | 1976-02-17 |
| GB1408097A (en) | 1975-10-01 |
| IT1010370B (it) | 1977-01-10 |
| ES425806A1 (es) | 1976-07-01 |
| CA986388A (en) | 1976-03-30 |
| AU475867B2 (en) | 1976-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |