PT68011B - Blocking device for use in a sewer manhole - Google Patents
Blocking device for use in a sewer manholeInfo
- Publication number
- PT68011B PT68011B PT68011A PT6801178A PT68011B PT 68011 B PT68011 B PT 68011B PT 68011 A PT68011 A PT 68011A PT 6801178 A PT6801178 A PT 6801178A PT 68011 B PT68011 B PT 68011B
- Authority
- PT
- Portugal
- Prior art keywords
- blocking device
- sewer manhole
- manhole
- sewer
- blocking
- Prior art date
Links
- 230000000903 blocking effect Effects 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/06—Devices for restraining rats or other animals
-
- 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
- Y10T137/7901—Valve head movably connected for accommodation to seat
-
- 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
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
- Saccharide Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pipe Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2107177 | 1977-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT68011A PT68011A (en) | 1978-06-01 |
| PT68011B true PT68011B (en) | 1979-11-16 |
Family
ID=10156714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT68011A PT68011B (en) | 1977-05-19 | 1978-05-08 | Blocking device for use in a sewer manhole |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4225435A (pt) |
| JP (1) | JPS541952A (pt) |
| AU (1) | AU3546378A (pt) |
| BE (1) | BE867218A (pt) |
| CA (1) | CA1090721A (pt) |
| DD (1) | DD135925A5 (pt) |
| DE (1) | DE2817909A1 (pt) |
| DK (1) | DK15378A (pt) |
| ES (1) | ES469982A1 (pt) |
| FI (1) | FI781234A (pt) |
| FR (1) | FR2391330A1 (pt) |
| IT (1) | IT1104367B (pt) |
| NL (1) | NL7804985A (pt) |
| NO (1) | NO781633L (pt) |
| PL (1) | PL206930A1 (pt) |
| PT (1) | PT68011B (pt) |
| SE (1) | SE7804433L (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474745A (en) * | 1967-08-15 | 1969-10-28 | Hans Schlaefli | Revolving pay plate for banks and ticket offices |
| SE463271B (sv) * | 1988-04-12 | 1990-10-29 | Gustavsberg Ind Ab | Raattspaerr i vertikala avloppsledningar |
| EP2385179B1 (en) * | 2010-05-05 | 2013-03-13 | Nal Products Aps | Rodent guard |
| US20130014848A1 (en) * | 2011-07-15 | 2013-01-17 | O'reilly Gerard | Apparatus for obstructing rats in sewage pipes |
| DK177966B1 (da) * | 2013-03-17 | 2015-02-02 | Orla Rasmussen | Rottespærre |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US468058A (en) * | 1892-02-02 | Half to william a | ||
| US999305A (en) * | 1911-02-28 | 1911-08-01 | Michael D Gurnett | Automatic drainage-gate. |
| US1237428A (en) * | 1916-09-19 | 1917-08-21 | William H Watrous | Adjustable bracket. |
| US2718941A (en) * | 1952-08-22 | 1955-09-27 | Homer W Robinson | Supported antenna mast |
| US3118469A (en) * | 1961-12-01 | 1964-01-21 | John O Schliesser | Animal guard for tile drain pipe |
-
1978
- 1978-01-12 DK DK15378A patent/DK15378A/da not_active Application Discontinuation
- 1978-04-19 SE SE7804433A patent/SE7804433L/xx unknown
- 1978-04-21 FI FI781234A patent/FI781234A/fi not_active Application Discontinuation
- 1978-04-24 DE DE19782817909 patent/DE2817909A1/de not_active Withdrawn
- 1978-04-26 AU AU35463/78A patent/AU3546378A/en active Pending
- 1978-05-05 CA CA302,704A patent/CA1090721A/en not_active Expired
- 1978-05-08 PT PT68011A patent/PT68011B/pt unknown
- 1978-05-08 US US05/903,957 patent/US4225435A/en not_active Expired - Lifetime
- 1978-05-09 NO NO78781633A patent/NO781633L/no unknown
- 1978-05-09 NL NL7804985A patent/NL7804985A/xx not_active Application Discontinuation
- 1978-05-17 DD DD78205419A patent/DD135925A5/xx unknown
- 1978-05-18 JP JP5835878A patent/JPS541952A/ja active Pending
- 1978-05-18 ES ES469982A patent/ES469982A1/es not_active Expired
- 1978-05-18 IT IT46849/78A patent/IT1104367B/it active
- 1978-05-18 BE BE187816A patent/BE867218A/xx unknown
- 1978-05-18 FR FR7814822A patent/FR2391330A1/fr active Granted
- 1978-05-19 PL PL20693078A patent/PL206930A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI781234A (fi) | 1978-11-20 |
| ES469982A1 (es) | 1979-04-01 |
| US4225435A (en) | 1980-09-30 |
| AU3546378A (en) | 1979-11-01 |
| IT7846849A0 (it) | 1978-05-18 |
| DE2817909A1 (de) | 1978-11-30 |
| IT1104367B (it) | 1985-10-21 |
| PL206930A1 (pl) | 1979-02-26 |
| DD135925A5 (de) | 1979-06-06 |
| BE867218A (fr) | 1978-09-18 |
| NL7804985A (nl) | 1978-11-21 |
| DK15378A (da) | 1978-11-20 |
| CA1090721A (en) | 1980-12-02 |
| FR2391330A1 (fr) | 1978-12-15 |
| FR2391330B3 (pt) | 1981-01-30 |
| SE7804433L (sv) | 1978-11-20 |
| PT68011A (en) | 1978-06-01 |
| NO781633L (no) | 1978-11-21 |
| JPS541952A (en) | 1979-01-09 |
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