AU520032B2 - Lightweight rigid thermoplastic pipe - Google Patents

Lightweight rigid thermoplastic pipe

Info

Publication number
AU520032B2
AU520032B2 AU35752/78A AU3575278A AU520032B2 AU 520032 B2 AU520032 B2 AU 520032B2 AU 35752/78 A AU35752/78 A AU 35752/78A AU 3575278 A AU3575278 A AU 3575278A AU 520032 B2 AU520032 B2 AU 520032B2
Authority
AU
Australia
Prior art keywords
rigid thermoplastic
thermoplastic pipe
lightweight rigid
lightweight
pipe
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
AU35752/78A
Other versions
AU3575278A (en
Inventor
R. L. and Grosenick N. J Hornbeck
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.)
GE Chemicals Inc
Original Assignee
Borg Warner Chemicals Inc
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 Chemicals Inc filed Critical Borg Warner Chemicals Inc
Publication of AU3575278A publication Critical patent/AU3575278A/en
Application granted granted Critical
Publication of AU520032B2 publication Critical patent/AU520032B2/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)
AU35752/78A 1977-05-16 1978-05-04 Lightweight rigid thermoplastic pipe Expired AU520032B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79692177A 1977-05-16 1977-05-16
USUS796921 1977-05-16

Publications (2)

Publication Number Publication Date
AU3575278A AU3575278A (en) 1979-11-08
AU520032B2 true AU520032B2 (en) 1982-01-14

Family

ID=25169403

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35752/78A Expired AU520032B2 (en) 1977-05-16 1978-05-04 Lightweight rigid thermoplastic pipe

Country Status (6)

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455972A1 (en) * 1979-05-10 1980-12-05 Sogecan Ste Gle Canalisations PROCESS AND APPARATUS FOR THE EXTRUSION OF PLASTIC TUBES WITH COMPOSITE WALLS
IT1126452B (en) * 1979-11-30 1986-05-21 Mario Calcagni EXTRUSION HEAD FOR PROFILES FOR FIXTURES AND SIMILAR, AS WELL AS PROFILE OBTAINED
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 (en) * 1984-05-18 1987-03-06 Eternit Financiere PROCESS FOR THE MANUFACTURE OF LIGHTWEIGHT, RIGID TUBES IN THERMOPLASTIC MATERIAL
JPS6228222A (en) * 1985-07-30 1987-02-06 Sumitomo Chem Co Ltd Manufacture of polypropylene-based resin expanded pipe
KR950005495Y1 (en) * 1992-10-01 1995-07-12 신용구 Double-walled pipe
DE9409077U1 (en) * 1994-06-03 1994-08-11 Augst, Reiner, 02689 Wehrsdorf Floatable, swirlable carrier material for biotechnological processes
GB9505789D0 (en) * 1995-03-22 1995-05-10 Glynwed Steel Tubes Ltd Plastics-coated tube
FI100130B (en) * 1995-12-12 1997-09-30 Uponor Innovation Ab Multilayer plastic pipe
DE69629491T2 (en) 1995-12-12 2004-06-17 Uponor Innovation Ab METHOD FOR PRODUCING HOMOGENEOUS MATERIALS WITH AN EXTRUDER, AND EXTRUDER
NL1005371C2 (en) * 1997-02-25 1998-08-26 Wavin Bv Multilayered pipe used in water disposal
IT237599Y1 (en) * 1996-07-29 2000-09-13 Poloplast Kunststoffwerk MULTI-LAYER PIPE
US6183673B1 (en) * 1998-04-24 2001-02-06 Industrial Thermo Ploymers Limited Method for forming extruded foam with surface coating
DE19920916A1 (en) 1999-05-06 2000-11-16 Basf Ag Laminated sheet or film for refrigerators
DE202009007494U1 (en) 2009-05-26 2009-09-17 Dow Global Technologies, Inc., Midland Multilayer thermoplastic sheet materials and thermoformed articles made therefrom
ES2578732T3 (en) * 2011-03-17 2016-07-29 Ems-Patent Ag Sleeve body
EP2666803B1 (en) 2012-05-23 2018-09-05 Ems-Patent Ag Scratch-proof, transparent and ductile copolyamide moulding materials, moulded parts produced from same and use of same
ES2527403T3 (en) 2012-12-18 2015-01-23 Ems-Patent Ag Polyamide molding dough and molded bodies produced from it
EP2778190B1 (en) 2013-03-15 2015-07-15 Ems-Patent Ag Polyamide moulding material and moulded body produced from the same
DE102013105749B4 (en) 2013-06-04 2015-09-03 W. Müller GmbH Extrusion hose head for discontinuous foaming

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261319A (en) * 1960-02-24 1900-01-01
US3561493A (en) * 1965-04-21 1971-02-09 Paul Maillard Composite tubes and method of manufacturing same
DE6602679U (en) * 1966-05-18 1969-06-26 Ruetgerswerke Und Teerverwertung Ag HEAT-INSULATED PIPES AND PIPE PARTS MADE OF PLASTICS
AT325299B (en) * 1967-02-27 1975-10-10 Hegler Wilhelm DEVICE FOR MANUFACTURING TUBES FROM THERMOPLASTIC PLASTIC
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 (en) * 1972-07-25 1974-02-07 Technoform Caprano U Brunnhofe Plastic pipes for hot water - with polyolefin inner layer and polyamide outer layer

Also Published As

Publication number Publication date
JPS53141367A (en) 1978-12-09
DE2821333A1 (en) 1978-11-30
DE2821333C2 (en) 1984-08-23
CA1109619A (en) 1981-09-29
AU3575278A (en) 1979-11-08
FR2391058A1 (en) 1978-12-15
JPS6130892B2 (en) 1986-07-16
FR2391058B1 (en) 1981-07-24
GB1595128A (en) 1981-08-05

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