GB1595128A - Method of making lightweight rigid thermoplastics pipe - Google Patents

Method of making lightweight rigid thermoplastics pipe Download PDF

Info

Publication number
GB1595128A
GB1595128A GB19919/78A GB1991978A GB1595128A GB 1595128 A GB1595128 A GB 1595128A GB 19919/78 A GB19919/78 A GB 19919/78A GB 1991978 A GB1991978 A GB 1991978A GB 1595128 A GB1595128 A GB 1595128A
Authority
GB
United Kingdom
Prior art keywords
pipe
thermoplastics
thermoplastics material
die
intermediate layer
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
Application number
GB19919/78A
Other languages
English (en)
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.)
Borg Warner Corp
Original Assignee
Borg Warner Corp
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 Borg Warner Corp filed Critical Borg Warner Corp
Publication of GB1595128A publication Critical patent/GB1595128A/en
Expired legal-status Critical Current

Links

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
GB19919/78A 1977-05-16 1978-05-16 Method of making lightweight rigid thermoplastics pipe Expired GB1595128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79692177A 1977-05-16 1977-05-16

Publications (1)

Publication Number Publication Date
GB1595128A true GB1595128A (en) 1981-08-05

Family

ID=25169403

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19919/78A Expired GB1595128A (en) 1977-05-16 1978-05-16 Method of making lightweight rigid thermoplastics pipe

Country Status (6)

Country Link
JP (1) JPS53141367A (enrdf_load_stackoverflow)
AU (1) AU520032B2 (enrdf_load_stackoverflow)
CA (1) CA1109619A (enrdf_load_stackoverflow)
DE (1) DE2821333C2 (enrdf_load_stackoverflow)
FR (1) FR2391058A1 (enrdf_load_stackoverflow)
GB (1) GB1595128A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271160A (en) * 1992-10-01 1994-04-06 Yong Goo Shin High impact strength pipe
GB2299049A (en) * 1995-03-22 1996-09-25 Glynwed Steel Tubes Ltd Method for making plastics-coated tube
US6589646B1 (en) 1999-05-06 2003-07-08 Basf Aktiengesellschaft Composite layered sheet of film for refrigerators
EP1419871A1 (en) * 1995-12-12 2004-05-19 Uponor Innovation Ab Method and apparatus for producing multilayer plastic pipe
DE202009007494U1 (de) 2009-05-26 2009-09-17 Dow Global Technologies, Inc., Midland Mehrschichtige thermoplastische Blattmaterialien und daraus hergestellte thermogeformte Gegenstände

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455972A1 (fr) * 1979-05-10 1980-12-05 Sogecan Ste Gle Canalisations Procede et appareillage pour l'extrusion de tubes plastiques a parois composites
IT1126452B (it) * 1979-11-30 1986-05-21 Mario Calcagni Testa di estrusione per profilati per infissi e simili,nonche' profilato ottenuto
US4465449A (en) * 1982-12-06 1984-08-14 Borg-Warner Chemicals, Inc. Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
US4507071A (en) * 1983-05-12 1985-03-26 Cosden Technology, Inc. Coextrusion apparatus for producing multiple layered thermoplastic pipe
US4499041A (en) * 1983-05-23 1985-02-12 Cosden Technology, Inc. Coextrusion process for producing multiple layered thermoplastic pipe
FR2564375B1 (fr) * 1984-05-18 1987-03-06 Eternit Financiere Procede de fabrication de tubes alleges, rigides en matiere thermoplastique
JPS6228222A (ja) * 1985-07-30 1987-02-06 Sumitomo Chem Co Ltd ポリプロピレン系樹脂発泡パイプの製造方法
DE9409077U1 (de) * 1994-06-03 1994-08-11 Augst, Reiner, 02689 Wehrsdorf Schwimmfähiges, verwirbelbares Trägermaterial für biotechnologische Prozesse
WO1997021532A1 (en) 1995-12-12 1997-06-19 Conenor Oy Method for producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe
IT237599Y1 (it) * 1996-07-29 2000-09-13 Poloplast Kunststoffwerk Tubo a piu' strati
NL1005371C2 (nl) * 1997-02-25 1998-08-26 Wavin Bv Meerlaags buis uit kunststof.
US6183673B1 (en) * 1998-04-24 2001-02-06 Industrial Thermo Ploymers Limited Method for forming extruded foam with surface coating
PL2499932T3 (pl) * 2011-03-17 2016-12-30 Korpus tulejowy
EP2666803B1 (de) 2012-05-23 2018-09-05 Ems-Patent Ag Kratzfeste, transparente und zähe Copolyamidformmassen, hieraus hergestellte Formkörper und deren Verwendung
EP2746339B1 (de) 2012-12-18 2014-11-12 Ems-Patent Ag Polyamid-Formmasse und hieraus hergestellte Formkörper
EP2778190B1 (de) 2013-03-15 2015-07-15 Ems-Patent Ag Polyamidformmasse sowie hieraus hergestellter Formkörper
DE102013105749B4 (de) 2013-06-04 2015-09-03 W. Müller GmbH Extrusionsschlauchkopf für diskontinuierliches Schäumen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE600533A (enrdf_load_stackoverflow) * 1960-02-24 1900-01-01
US3561493A (en) * 1965-04-21 1971-02-09 Paul Maillard Composite tubes and method of manufacturing same
DE6602679U (de) * 1966-05-18 1969-06-26 Ruetgerswerke Und Teerverwertung Ag Waermeisolierte rohre und rohrteile aus kunststoffen
AT325299B (de) * 1967-02-27 1975-10-10 Hegler Wilhelm Vorrichtung zur herstellung von rohren aus thermoplastischem kunststoff
GB1211860A (en) * 1967-10-03 1970-11-11 Ici Ltd A process for the production of pipe
US3855376A (en) * 1971-04-15 1974-12-17 Mitsubishi Rayon Co Process for making structural material having a foamed inner layer
DE2236375A1 (de) * 1972-07-25 1974-02-07 Technoform Caprano U Brunnhofe Kunststoffrohr

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271160A (en) * 1992-10-01 1994-04-06 Yong Goo Shin High impact strength pipe
GB2271160B (en) * 1992-10-01 1996-06-12 Yong Goo Shin High impact strength pipe
GB2299049A (en) * 1995-03-22 1996-09-25 Glynwed Steel Tubes Ltd Method for making plastics-coated tube
GB2299049B (en) * 1995-03-22 1998-09-23 Glynwed Steel Tubes Ltd Plastics-coated tube
EP1419871A1 (en) * 1995-12-12 2004-05-19 Uponor Innovation Ab Method and apparatus for producing multilayer plastic pipe
US6589646B1 (en) 1999-05-06 2003-07-08 Basf Aktiengesellschaft Composite layered sheet of film for refrigerators
DE202009007494U1 (de) 2009-05-26 2009-09-17 Dow Global Technologies, Inc., Midland Mehrschichtige thermoplastische Blattmaterialien und daraus hergestellte thermogeformte Gegenstände

Also Published As

Publication number Publication date
JPS6130892B2 (enrdf_load_stackoverflow) 1986-07-16
AU3575278A (en) 1979-11-08
CA1109619A (en) 1981-09-29
AU520032B2 (en) 1982-01-14
DE2821333A1 (de) 1978-11-30
DE2821333C2 (de) 1984-08-23
FR2391058B1 (enrdf_load_stackoverflow) 1981-07-24
FR2391058A1 (fr) 1978-12-15
JPS53141367A (en) 1978-12-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950516