GB1483855A - Irrigation device - Google Patents
Irrigation deviceInfo
- Publication number
- GB1483855A GB1483855A GB4388/75A GB438875A GB1483855A GB 1483855 A GB1483855 A GB 1483855A GB 4388/75 A GB4388/75 A GB 4388/75A GB 438875 A GB438875 A GB 438875A GB 1483855 A GB1483855 A GB 1483855A
- Authority
- GB
- United Kingdom
- Prior art keywords
- inlet
- irrigation device
- conduit
- selman
- embrace
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
- Pipe Accessories (AREA)
Abstract
1483855 Fluid regulation H SELMAN 31 Jan 1975 [6 Aug 1974] 4388/75 Heading G3H [Also in Divisions A1 and F2] In a drip or trickle irrigation device the flow through a spiral conduit, which is defined between the threads 5, 7 on a casing 1 and a core 6, and outlets 4 is maintained constant by an elastic disc 10 having an upper-conical recess and a central passage 15, the effective cross-section of which varies in inverse proportion to the pressure at the inlet 2 of the device. The inlet 2 is inserted in an aperture of a hose conduit which the arms 3 embrace to prevent displacement of the device.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1076074A CH562552A5 (en) | 1974-08-06 | 1974-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1483855A true GB1483855A (en) | 1977-08-24 |
Family
ID=4366545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4388/75A Expired GB1483855A (en) | 1974-08-06 | 1975-01-31 | Irrigation device |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH562552A5 (en) |
DE (1) | DE2534137A1 (en) |
ES (1) | ES440500A1 (en) |
GB (1) | GB1483855A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231414A (en) * | 1989-03-18 | 1990-11-14 | Irrigation Systems Limited | A liquid distribution apparatus |
DE19851791A1 (en) * | 1998-09-16 | 2000-03-23 | Suttner Gmbh & Co Kg | High-pressure weep valve O-ring seal for cleaning machine combines low cost with simplicity and high mechanical reliability |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102806155B (en) * | 2012-08-21 | 2015-02-04 | 兰州兰泰天翼节水器材有限公司 | Cylindrical sawtoothed labyrinth double-runner irrigator |
CN107242110B (en) * | 2017-07-31 | 2022-04-15 | 青岛农业大学 | Double-wing multifunctional water supply pipe and processing method thereof |
CN107660454A (en) * | 2017-11-15 | 2018-02-06 | 四川农业大学 | A kind of waterpower control type anti-clogging micro-irrigation emitter |
-
1974
- 1974-08-06 CH CH1076074A patent/CH562552A5/xx not_active IP Right Cessation
-
1975
- 1975-01-31 GB GB4388/75A patent/GB1483855A/en not_active Expired
- 1975-07-31 DE DE19752534137 patent/DE2534137A1/en active Pending
- 1975-08-06 ES ES440500A patent/ES440500A1/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231414A (en) * | 1989-03-18 | 1990-11-14 | Irrigation Systems Limited | A liquid distribution apparatus |
DE19851791A1 (en) * | 1998-09-16 | 2000-03-23 | Suttner Gmbh & Co Kg | High-pressure weep valve O-ring seal for cleaning machine combines low cost with simplicity and high mechanical reliability |
Also Published As
Publication number | Publication date |
---|---|
DE2534137A1 (en) | 1976-02-19 |
ES440500A1 (en) | 1977-03-01 |
CH562552A5 (en) | 1975-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |