DE69007801T2 - Rohr mit Lochung und Herstellungsverfahren dafür. - Google Patents

Rohr mit Lochung und Herstellungsverfahren dafür.

Info

Publication number
DE69007801T2
DE69007801T2 DE69007801T DE69007801T DE69007801T2 DE 69007801 T2 DE69007801 T2 DE 69007801T2 DE 69007801 T DE69007801 T DE 69007801T DE 69007801 T DE69007801 T DE 69007801T DE 69007801 T2 DE69007801 T2 DE 69007801T2
Authority
DE
Germany
Prior art keywords
perforation
pipe
manufacturing process
process therefor
synthetic resin
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
Application number
DE69007801T
Other languages
English (en)
Other versions
DE69007801D1 (de
Inventor
Tatsuya Mitsui Petrochemic Ohe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Petrochemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Publication of DE69007801D1 publication Critical patent/DE69007801D1/de
Application granted granted Critical
Publication of DE69007801T2 publication Critical patent/DE69007801T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • F16L9/133Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/02Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/19Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their edges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/30Organic material
    • B23K2103/42Plastics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/50Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Table Equipment (AREA)
  • Laser Beam Processing (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • External Artificial Organs (AREA)
DE69007801T 1989-01-07 1990-01-08 Rohr mit Lochung und Herstellungsverfahren dafür. Expired - Fee Related DE69007801T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1001876A JP2633670B2 (ja) 1989-01-07 1989-01-07 灌水チューブ及びその製造方法

Publications (2)

Publication Number Publication Date
DE69007801D1 DE69007801D1 (de) 1994-05-11
DE69007801T2 true DE69007801T2 (de) 1994-07-28

Family

ID=11513761

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007801T Expired - Fee Related DE69007801T2 (de) 1989-01-07 1990-01-08 Rohr mit Lochung und Herstellungsverfahren dafür.

Country Status (9)

Country Link
US (1) US5181659A (de)
EP (1) EP0378335B1 (de)
JP (1) JP2633670B2 (de)
KR (1) KR930006016B1 (de)
CN (1) CN1020428C (de)
AT (1) ATE103761T1 (de)
CA (1) CA2007139C (de)
DE (1) DE69007801T2 (de)
ES (1) ES2064609T3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301776A (nl) * 1993-10-14 1995-05-01 Hecke Beregening B V Van Buisleiding voor irrigatie en beregening van gewassen.
GB9404367D0 (en) * 1994-03-07 1994-04-20 Tubex Ltd Tree shelter
FR2727890B1 (fr) * 1994-12-07 1997-01-24 Kertscher Sa E Procede de fabrication de tuyaux d'irrigation goutte-a-goutte
FR2767742B1 (fr) * 1997-08-29 1999-11-26 Itep Int Procede de fabrication d'un tuyau poreux a lisere, dispositif pour sa mise en oeuvre, tuyau obtenu par ledit procede et utilisation d'un tel tuyau en irrigation
US6059769A (en) 1998-10-02 2000-05-09 Medtronic, Inc. Medical catheter with grooved soft distal segment
US6945969B1 (en) 2000-03-31 2005-09-20 Medtronic, Inc. Catheter for target specific drug delivery
US6551290B1 (en) 2000-03-31 2003-04-22 Medtronic, Inc. Catheter for target specific drug delivery
ES2286002T3 (es) * 2000-09-27 2007-12-01 Eberhard Kertscher Procedimiento para la fabricacion continua de tubos de riego por goteo.
JP4788414B2 (ja) * 2006-03-14 2011-10-05 Mkvドリーム株式会社 穿孔チューブの製造方法
GB2480595B (en) * 2009-03-02 2013-12-18 Lintec Corp Pressure-sensitive adhesive sheet
US10704266B1 (en) 2015-06-18 2020-07-07 Michael John McDonough Roofing components comprising a UV treated polyethylene thermoplastic and a method and an apparatus for manufacturing the same
US10156075B1 (en) * 2015-06-18 2018-12-18 Michael John McDonough Roofing components comprising a UV treated polyethylene thermoplastic and a method and an apparatus for manufacturing the same
CN112571864B (zh) * 2020-12-29 2022-11-04 安庆市康明纳包装有限公司 医用材料生产工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2808617A (en) * 1952-09-05 1957-10-08 Terracini Vittorio Means for molding lengthy articles made from multi-colored plastic material
US3293652A (en) * 1964-02-20 1966-12-20 Ibm Selective piercing of sheet material
US3808394A (en) * 1972-03-31 1974-04-30 Anjac Plastics Creating holes in flexible members
US4028525A (en) * 1974-04-15 1977-06-07 Reed Irrigation Systems Apparatus for creating holes in flexible members
US4182582A (en) * 1976-01-27 1980-01-08 A. T. Ramot Plastics Ltd. Porous tubes and hollow profile structures and method of making same
US4181051A (en) * 1977-12-13 1980-01-01 Mordeki Drori Method of making fluid-issuing openings through the walls of flexible plastic members, particularly dripper emitters
US4857696A (en) * 1987-06-12 1989-08-15 Raycon Textron Inc. Laser/EDM drilling manufacturing cell

Also Published As

Publication number Publication date
US5181659A (en) 1993-01-26
CA2007139C (en) 1998-05-12
ES2064609T3 (es) 1995-02-01
ATE103761T1 (de) 1994-04-15
JPH02182121A (ja) 1990-07-16
CN1020428C (zh) 1993-05-05
JP2633670B2 (ja) 1997-07-23
EP0378335B1 (de) 1994-04-06
CN1043902A (zh) 1990-07-18
EP0378335A1 (de) 1990-07-18
CA2007139A1 (en) 1990-07-07
KR900012030A (ko) 1990-08-02
DE69007801D1 (de) 1994-05-11
KR930006016B1 (ko) 1993-07-01

Similar Documents

Publication Publication Date Title
DE69007801T2 (de) Rohr mit Lochung und Herstellungsverfahren dafür.
DE69222963T2 (de) Abbildungsverfahren zur Herstellung von Mikrovorrichtungen
ES2146209T3 (es) Conjugados sitio-especifica de inmunoglobulinas y marcadores detectables.
DE69612445T2 (de) Treibriemen mit durch Gewebe verstärkten Zähnen
DE69434660D1 (de) Vorrichtung mit einer zusammengesetzten Objektivlinse mit zwei Brennpunkten
ES2131507T3 (es) Produccion de anticuerpos.
EP0395425A3 (de) Maske, Herstellungsverfahren und Musterherstellung mit einer solchen Maske
ATE97855T1 (de) Verfahren zum erhitzen eines teils einer laufenden materialbahn.
DE69204629T2 (de) Herstellungsverfahren einer Feldemissionsvorrichtung mit integraler elektrostatischer Linsenanordnung.
IT1076561B (it) Finestra a piu' pareti ad aperture regolabili per il passaggio della luce
SE8402698L (sv) Remskiva for drivremmar
ES2107755T3 (es) Recuperacion seccion gama no acoplada.
DE68925266T2 (de) Korpuskularbestrahlungsverfahren mit einer Maske
DE69008785D1 (de) Freielektronen Laser mit verbessertem Elektronenbeschleuniger.
FR2588551B1 (fr) Procede de fabrication d'une composition propulsive double-base a faible emission de lueur de flamme, et composition propulsive ainsi obtenue
FR2640189B1 (fr) Procede de fabrication d'un reflecteur thermoplastique et reflecteur ainsi obtenu
JPS5386798A (en) Polyester film and its production
ES2048524T3 (es) Loseta.
DE69022145D1 (de) Verfahren zur Herstellung einer Lichtkontrollplatte mit einer lichtstreuenden durchlässigen Region.
FR2285733A1 (fr) Laser a semi-conducteur a largeur de zone d'emission variable
FI911294A0 (fi) Straengsprutat radialt straeckt plastroer och dess framstaellningsfoerfarande.
DE3767991D1 (de) Verfahren zum herstellen einer elektromagnetischen ablenkeinheit und kathodestrahlroehre mit einer solchen ablenkeinheit.
JPS5298757A (en) Method of coloring high polymers
BR8203419A (pt) Filamento continuo de nailon 6 encrespado
DE69124176T2 (de) Logischer BICMOS Schaltkreis mit einem CML-Ausgang

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee