CN1081530C - 制造滴灌管的方法及其用于滴灌管中的滴流装置 - Google Patents
制造滴灌管的方法及其用于滴灌管中的滴流装置 Download PDFInfo
- Publication number
- CN1081530C CN1081530C CN98115112A CN98115112A CN1081530C CN 1081530 C CN1081530 C CN 1081530C CN 98115112 A CN98115112 A CN 98115112A CN 98115112 A CN98115112 A CN 98115112A CN 1081530 C CN1081530 C CN 1081530C
- Authority
- CN
- China
- Prior art keywords
- drip
- thread
- tube
- pipe
- speed
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000002262 irrigation Effects 0.000 title claims description 19
- 238000003973 irrigation Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- -1 polyethylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
-
- 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
-
- 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
- A01G25/026—Apparatus or processes for fitting the drippers to the hoses or the pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/157—Coating linked inserts, e.g. chains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
- B29C65/028—Particular heating or welding methods not otherwise provided for making use of inherent heat, i.e. the heat for the joining comes from the moulding process of one of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/005—Hoses, i.e. flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/70—Agricultural usage or equipment
-
- 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
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49838—Assembling or joining by stringing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97106456 | 1997-04-18 | ||
EP97106456.3 | 1997-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1200325A CN1200325A (zh) | 1998-12-02 |
CN1081530C true CN1081530C (zh) | 2002-03-27 |
Family
ID=8226705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98115112A Expired - Fee Related CN1081530C (zh) | 1997-04-18 | 1998-04-17 | 制造滴灌管的方法及其用于滴灌管中的滴流装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6179949B1 (zh) |
CN (1) | CN1081530C (zh) |
AT (1) | ATE197749T1 (zh) |
AU (1) | AU731773B2 (zh) |
DE (1) | DE69800409T2 (zh) |
ES (1) | ES2153221T3 (zh) |
IL (1) | IL124071A (zh) |
PT (1) | PT872172E (zh) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL124704A (en) * | 1998-06-01 | 2002-04-21 | Cohen Amir | Method and apparatus for making dripper lines |
IT1305415B1 (it) * | 1998-08-20 | 2001-05-04 | Carmelo Giuffre | Procedimento ed impianto per la fabbricazione di tubi per irrigazionea goccia |
AU2002303144A1 (en) * | 2001-03-16 | 2002-10-03 | The Toro Company | Drip irrigation emitter |
US6736337B2 (en) | 2002-02-08 | 2004-05-18 | The Toro Company | Pressure compensating drip irrigation hose |
US20050284966A1 (en) * | 2004-06-23 | 2005-12-29 | Defrank Michael | Emitter |
US20060043219A1 (en) * | 2004-09-02 | 2006-03-02 | Moshe Raanan | Drip irrigation pipe |
IL164043A (en) * | 2004-09-13 | 2010-11-30 | Plastro Irrigation Systems Ltd | Dual component drip emitter and its production means |
US8302887B2 (en) * | 2005-03-31 | 2012-11-06 | Rain Bird Corporation | Drip emitter |
US7648085B2 (en) | 2006-02-22 | 2010-01-19 | Rain Bird Corporation | Drip emitter |
KR100749640B1 (ko) | 2006-04-12 | 2007-08-14 | 주식회사 서원양행 | 농업용 호스 제조장치 |
US8628032B2 (en) | 2008-12-31 | 2014-01-14 | Rain Bird Corporation | Low flow irrigation emitter |
WO2011050233A1 (en) | 2009-10-24 | 2011-04-28 | 3M Innovative Properties Company | Immersed asymmetric reflector with reduced color |
CN105652358B (zh) | 2010-05-21 | 2019-01-22 | 3M创新有限公司 | 部分反射型多层光学膜 |
WO2012003215A1 (en) | 2010-06-30 | 2012-01-05 | 3M Innovative Properties Company | Retarder film combinations with spatially selective birefringence reduction |
US9101956B2 (en) | 2010-06-30 | 2015-08-11 | 3M Innovative Properties Company | Mask processing using films with spatially selective birefringence reduction |
CN103038678B (zh) | 2010-06-30 | 2015-06-03 | 3M创新有限公司 | 具有空间选择性双折射减小的漫反射光学膜 |
WO2012012180A2 (en) | 2010-06-30 | 2012-01-26 | 3M Innovative Properties Company | Light directing film |
KR101926204B1 (ko) | 2010-10-20 | 2018-12-06 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 나노공극형 중합체 층을 포함하는 광대역 반경면 미러 필름 |
ES2503564T3 (es) * | 2011-07-27 | 2014-10-07 | The Machines Yvonand Sa | Procedimiento para la fabricación de tubos de riego por goteo |
KR101153429B1 (ko) * | 2011-10-17 | 2012-06-07 | 전영태 | 점적 호스 제조 장치 및 방법 |
KR101170605B1 (ko) | 2011-10-17 | 2012-08-02 | 전영태 | 점적 호스 제조 장치 및 방법 |
US9551818B2 (en) | 2011-10-20 | 2017-01-24 | 3M Innovative Properties Company | Apodized broadband partial reflectors having differing optical packets |
EP2769247B1 (en) | 2011-10-20 | 2021-12-01 | 3M Innovative Properties Company | Apodized broadband partial reflectors |
US9877440B2 (en) | 2012-03-26 | 2018-01-30 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
US20130248622A1 (en) | 2012-03-26 | 2013-09-26 | Jae Yung Kim | Drip line and emitter and methods relating to same |
US10440903B2 (en) | 2012-03-26 | 2019-10-15 | Rain Bird Corporation | Drip line emitter and methods relating to same |
US9485923B2 (en) | 2012-03-26 | 2016-11-08 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
TR201901681T4 (tr) * | 2012-06-18 | 2019-02-21 | Maillefer Sa | Bir sulama borusu üretmeye yönelik yöntem ve sistem. |
DE102012107655B4 (de) | 2012-08-21 | 2017-04-27 | Aqua Vital Int. Ltd. & Co. KG | Bewässerungsschlauch |
US9872444B2 (en) | 2013-03-15 | 2018-01-23 | Rain Bird Corporation | Drip emitter |
US20140265301A1 (en) | 2013-03-15 | 2014-09-18 | 3M Innovative Properties Company | Security feature utlizing hinge material and biodata page |
BR112016000667B1 (pt) | 2013-07-15 | 2021-11-03 | 3M Innovative Properties Company | Respirador compreendendo um arnês, um corpo da máscara e uma válvula de exalação |
US10631473B2 (en) | 2013-08-12 | 2020-04-28 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
US10285342B2 (en) | 2013-08-12 | 2019-05-14 | Rain Bird Corporation | Elastomeric emitter and methods relating to same |
USD811179S1 (en) | 2013-08-12 | 2018-02-27 | Rain Bird Corporation | Emitter part |
WO2015034910A1 (en) | 2013-09-05 | 2015-03-12 | 3M Innovative Properties Company | Patterned marking of multilayer optical film by thermal conduction |
US9883640B2 (en) * | 2013-10-22 | 2018-02-06 | Rain Bird Corporation | Methods and apparatus for transporting elastomeric emitters and/or manufacturing drip lines |
USD781115S1 (en) * | 2014-08-29 | 2017-03-14 | Rivulis Irrigation Ltd. | Dripper |
US10330559B2 (en) | 2014-09-11 | 2019-06-25 | Rain Bird Corporation | Methods and apparatus for checking emitter bonds in an irrigation drip line |
CN112703994B (zh) | 2015-12-03 | 2023-05-02 | 耐特菲姆有限公司 | 滴灌灌水器 |
US10375904B2 (en) | 2016-07-18 | 2019-08-13 | Rain Bird Corporation | Emitter locating system and related methods |
US11051466B2 (en) | 2017-01-27 | 2021-07-06 | Rain Bird Corporation | Pressure compensation members, emitters, drip line and methods relating to same |
US10626998B2 (en) | 2017-05-15 | 2020-04-21 | Rain Bird Corporation | Drip emitter with check valve |
USD883048S1 (en) | 2017-12-12 | 2020-05-05 | Rain Bird Corporation | Emitter part |
US11985924B2 (en) | 2018-06-11 | 2024-05-21 | Rain Bird Corporation | Emitter outlet, emitter, drip line and methods relating to same |
CN113854124B (zh) * | 2020-06-28 | 2022-09-23 | 江苏华源节水股份有限公司 | 一种卷盘喷灌机门架式pe管套接安装单元的使用方法 |
CN111805911B (zh) * | 2020-07-15 | 2024-08-20 | 徐州蔬客达农业科技有限公司 | 一种地膜滴灌带的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5163622A (en) * | 1989-09-08 | 1992-11-17 | Agroteam Consultants Ltd. | Drip irrigation line and method of making same |
US5324379A (en) * | 1993-01-27 | 1994-06-28 | Drip Irrigation Systems, Ltd. | Method and apparatus for producing drip irrigation conduit |
EP0715926A1 (fr) * | 1994-12-07 | 1996-06-12 | E. Kertscher S.A. | Procédé de fabrication de tuyaux d'irrigation goutte-à-goutte |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685284A (en) * | 1970-11-10 | 1972-08-22 | Valentine J Taubner Jr | Flexible, linked jewelry beads |
IL86549A (en) * | 1988-05-30 | 1991-04-15 | Hydro Plan Eng Ltd | Process and installation for producing a drip irrigation conduit |
IL100126A (en) * | 1991-11-22 | 1994-11-28 | Hydromatic Ltd | Method and apparatus for making drip irrigation devices |
US5310438A (en) * | 1992-12-16 | 1994-05-10 | Agrifim Irrigation International N.V. | Process for making low cost drip irrigation lines using plastic extrusion and film blowing techniques |
US5662147A (en) * | 1993-06-07 | 1997-09-02 | Haiber; Gerd | Fabric panel with inter-woven loops |
US5873573A (en) * | 1997-07-28 | 1999-02-23 | Beatty, Jr.; William H. | Ring toss game with bell sounds |
-
1998
- 1998-04-13 IL IL12407198A patent/IL124071A/en not_active IP Right Cessation
- 1998-04-13 US US09/058,842 patent/US6179949B1/en not_active Expired - Fee Related
- 1998-04-14 PT PT98106765T patent/PT872172E/pt unknown
- 1998-04-14 AT AT98106765T patent/ATE197749T1/de not_active IP Right Cessation
- 1998-04-14 DE DE69800409T patent/DE69800409T2/de not_active Expired - Fee Related
- 1998-04-14 ES ES98106765T patent/ES2153221T3/es not_active Expired - Lifetime
- 1998-04-16 AU AU61945/98A patent/AU731773B2/en not_active Ceased
- 1998-04-17 CN CN98115112A patent/CN1081530C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5163622A (en) * | 1989-09-08 | 1992-11-17 | Agroteam Consultants Ltd. | Drip irrigation line and method of making same |
US5324379A (en) * | 1993-01-27 | 1994-06-28 | Drip Irrigation Systems, Ltd. | Method and apparatus for producing drip irrigation conduit |
EP0715926A1 (fr) * | 1994-12-07 | 1996-06-12 | E. Kertscher S.A. | Procédé de fabrication de tuyaux d'irrigation goutte-à-goutte |
Also Published As
Publication number | Publication date |
---|---|
IL124071A (en) | 2001-12-23 |
ES2153221T3 (es) | 2001-02-16 |
ATE197749T1 (de) | 2000-12-15 |
PT872172E (pt) | 2001-05-31 |
DE69800409D1 (de) | 2001-01-04 |
CN1200325A (zh) | 1998-12-02 |
DE69800409T2 (de) | 2001-05-10 |
AU731773B2 (en) | 2001-04-05 |
US6179949B1 (en) | 2001-01-30 |
AU6194598A (en) | 1998-10-22 |
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