ATE21649T1 - Verfahren zur herstellung eines pvc bewaesserungsrohres. - Google Patents

Verfahren zur herstellung eines pvc bewaesserungsrohres.

Info

Publication number
ATE21649T1
ATE21649T1 AT82305189T AT82305189T ATE21649T1 AT E21649 T1 ATE21649 T1 AT E21649T1 AT 82305189 T AT82305189 T AT 82305189T AT 82305189 T AT82305189 T AT 82305189T AT E21649 T1 ATE21649 T1 AT E21649T1
Authority
AT
Austria
Prior art keywords
extrudate
pipe
water
cell
collapse
Prior art date
Application number
AT82305189T
Other languages
English (en)
Inventor
Clive Dorrn
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Application granted granted Critical
Publication of ATE21649T1 publication Critical patent/ATE21649T1/de

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
    • A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • 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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S138/00—Pipes and tubular conduits
    • Y10S138/09—Cellular
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/08—Fibrillating cellular materials
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Materials For Medical Uses (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Organic Insulating Materials (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
AT82305189T 1981-10-22 1982-09-30 Verfahren zur herstellung eines pvc bewaesserungsrohres. ATE21649T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8131949 1981-10-22
EP82305189A EP0078108B1 (de) 1981-10-22 1982-09-30 Verfahren zur Herstellung eines PVC Bewässerungsrohres

Publications (1)

Publication Number Publication Date
ATE21649T1 true ATE21649T1 (de) 1986-09-15

Family

ID=10525344

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82305189T ATE21649T1 (de) 1981-10-22 1982-09-30 Verfahren zur herstellung eines pvc bewaesserungsrohres.

Country Status (17)

Country Link
US (1) US4577998A (de)
EP (1) EP0078108B1 (de)
JP (1) JPS5881133A (de)
AT (1) ATE21649T1 (de)
AU (1) AU549131B2 (de)
BR (1) BR8206083A (de)
CA (1) CA1202757A (de)
DE (1) DE3272913D1 (de)
DK (1) DK465682A (de)
ES (1) ES8401368A1 (de)
GR (1) GR76766B (de)
IE (1) IE53651B1 (de)
IL (1) IL67009A (de)
NZ (1) NZ202098A (de)
PT (1) PT75724B (de)
ZA (1) ZA827361B (de)
ZW (1) ZW21682A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930934A (en) * 1988-05-11 1990-06-05 Adkins Donald E Surface, subsurface, continuous feed moisture maintenance system apparatus and method
US4824288A (en) * 1988-06-14 1989-04-25 Interpot International Culvert drainpipe system and method of use
US4958770A (en) * 1989-05-03 1990-09-25 Prescision Porous Pipe, Inc. Process for making uniform porosity flexible irrigation pipe
MX173573B (es) * 1989-06-19 1994-03-16 Subsurface Technology Corp Mejoras en tubo poroso y proceso para producirlo
ES2032239B1 (es) * 1990-06-11 1993-08-16 Creaciones Tecnicas Agricolas Tubo de riego exudante
JPH085109B2 (ja) * 1990-08-08 1996-01-24 東邦ポリマー工業株式会社 発泡樹脂ホース並びに該ホースの製造方法
JPH0753406B2 (ja) * 1990-08-08 1995-06-07 東邦ポリマー工業株式会社 液体及び気体が透過可能なゴム成形品の製造方法
JPH03281236A (ja) * 1990-12-19 1991-12-11 Jiyouji Ootsuka 罫押し用溝形成材
US5124097A (en) * 1991-02-08 1992-06-23 The Dow Chemical Company Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user
US5299885A (en) * 1992-08-14 1994-04-05 Aquapore Moisture Systems, Inc. Stabilized porous pipe
DE4325879C3 (de) * 1993-08-02 1999-05-20 Depron Bv Folie aus einem thermoplastischen Kunststoffschaum, Verfahren zu ihrer Herstellung sowie ihre Verwendung
FR2716835B1 (fr) * 1994-03-01 1996-04-26 Itep Int Procédé de fabrication d'un tuyau poreux, tuyau poreux obtenu par ledit procédé et utilisation d'un tel tuyau en irrigation.
US5816742A (en) * 1996-09-30 1998-10-06 Cordewener; Charles H. Permeable conduits for disbursing fluids
DE19816494C2 (de) * 1998-04-14 2000-06-29 M K F Uk Limited Newry Verfahren zur Herstellung von Wickelhülsen und Wickelhülse aus Kunststoff
US6428297B1 (en) * 1998-10-28 2002-08-06 Dart Container Corporation Apparatus for making a corrugation-free foam
US6805824B2 (en) * 2002-03-27 2004-10-19 Larry Yaw Process for manufacturing a porous drainage medium
US20060043219A1 (en) * 2004-09-02 2006-03-02 Moshe Raanan Drip irrigation pipe
ITMO20040223A1 (it) * 2004-09-06 2004-12-06 Gambro Lundia Ab Tubo per una pompa peristaltica.
JP5025549B2 (ja) 2008-03-31 2012-09-12 キョーラク株式会社 発泡ブロー成形品およびその製造方法
US10544575B1 (en) * 2018-07-03 2020-01-28 Robert J. DiTullio Water storage chamber connection system
CN113201194B (zh) * 2021-06-07 2023-02-03 长春联塑实业有限公司 一种低发泡高抗冲pvc制品及其制备方法和应用

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807505A (en) * 1956-07-02 1957-09-24 Shuford Mills Soil soaking devices
NL266557A (de) * 1961-06-30
US3403203A (en) * 1964-03-13 1968-09-24 Grace W R & Co Method for preparing a non-woven fabric-like member
US3300366A (en) * 1964-03-19 1967-01-24 Jr Day Krolik Perforated sheet material
GB1100727A (en) * 1964-11-27 1968-01-24 Bakelite Xylonite Ltd Improvements in or relating to permeable foamed macromolecular material
DE1629423A1 (de) * 1966-04-02 1971-01-14 Gruenzweig & Hartmann Verfahren zur Herstellung von Kunstharz-Schaumstoffen und Verwendung eines nach diesem Verfahren gefertigten Rohres
US3634564A (en) * 1966-12-01 1972-01-11 Mitsui Petrochemical Ind Process for the manufacture of fibrillated foamed films
BE716366A (de) * 1967-06-22 1968-11-04
US3539666A (en) * 1968-06-18 1970-11-10 Grace W R & Co Method for preparing a nonwoven fabriclike member
US3954928A (en) * 1970-07-28 1976-05-04 Teijin Ltd. Process for making sheet-formed reticulated fibrous structures
GB1393680A (en) * 1971-11-23 1975-05-07 Atomic Energy Authority Uk Porous plastics materials
US3874965A (en) * 1972-05-01 1975-04-01 Celanese Corp Fibrillated yarn carpet backing
DE2650718A1 (de) * 1976-11-05 1978-05-11 Bayer Ag Verfahren zum herstellen von mikroporoesen hohlprofilen, insbesondere rohren, zum zu- und abfuehren von stroemenden stoffen wie gase oder fluessigkeiten
GB1554373A (en) * 1977-11-02 1979-10-17 Bayer Ag Process for the manufacture of microporous hollow profiles in particular tubes for the supply and removal of fluid substances such as gases or liquids

Also Published As

Publication number Publication date
AU8937582A (en) 1983-04-28
IE53651B1 (en) 1989-01-04
BR8206083A (pt) 1983-09-13
ES516715A0 (es) 1983-12-16
JPS5881133A (ja) 1983-05-16
CA1202757A (en) 1986-04-08
EP0078108A2 (de) 1983-05-04
AU549131B2 (en) 1986-01-16
DK465682A (da) 1983-04-23
ES8401368A1 (es) 1983-12-16
NZ202098A (en) 1984-11-09
IE822395L (en) 1983-04-22
DE3272913D1 (en) 1986-10-02
ZA827361B (en) 1983-10-26
IL67009A0 (en) 1983-02-23
EP0078108A3 (en) 1983-06-01
GR76766B (de) 1984-08-31
JPH0257579B2 (de) 1990-12-05
IL67009A (en) 1987-03-31
PT75724B (pt) 1986-01-13
EP0078108B1 (de) 1986-08-27
PT75724A (pt) 1982-11-01
US4577998A (en) 1986-03-25
ZW21682A1 (en) 1984-07-25

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties