BE868687A - METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS - Google Patents

METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS

Info

Publication number
BE868687A
BE868687A BE189031A BE189031A BE868687A BE 868687 A BE868687 A BE 868687A BE 189031 A BE189031 A BE 189031A BE 189031 A BE189031 A BE 189031A BE 868687 A BE868687 A BE 868687A
Authority
BE
Belgium
Prior art keywords
production
thermoplastic materials
layer pipes
pipes
layer
Prior art date
Application number
BE189031A
Other languages
French (fr)
Original Assignee
Cosden Technology
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 Cosden Technology filed Critical Cosden Technology
Publication of BE868687A publication Critical patent/BE868687A/en

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
    • 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
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B29C48/3363—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a layered die, e.g. stacked discs
    • 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
    • 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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
BE189031A 1977-07-01 1978-07-03 METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS BE868687A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81204177A 1977-07-01 1977-07-01

Publications (1)

Publication Number Publication Date
BE868687A true BE868687A (en) 1978-11-03

Family

ID=25208307

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189031A BE868687A (en) 1977-07-01 1978-07-03 METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS

Country Status (5)

Country Link
JP (1) JPS5439481A (en)
BE (1) BE868687A (en)
FR (1) FR2396230A1 (en)
GB (1) GB2000570A (en)
IT (1) IT1158868B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3001705C2 (en) * 1980-01-18 1984-10-18 Wavin B.V., Zwolle Centering device for molding tools of extrusion presses
US4465449A (en) * 1982-12-06 1984-08-14 Borg-Warner Chemicals, Inc. Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
JPS6422541A (en) * 1987-07-17 1989-01-25 Idemitsu Petrochemical Co Multi-layer material
DE4135336C2 (en) * 1991-10-26 1993-10-21 Rehau Ag & Co Process for extruding multilayer pipes
ATE312670T1 (en) * 2002-05-07 2005-12-15 Duerr Systems Gmbh METHOD AND DEVICE FOR SUPPLYING PAINT TO AN APPLICATION DEVICE AND FOR FLUSHING IT
US7584771B2 (en) 2002-05-07 2009-09-08 Durr Systems, Inc. Method and apparatus for delivering paint to an applicator and flushing same
JP2013043412A (en) * 2011-08-26 2013-03-04 Sekisui Chem Co Ltd Die for multi-layered tube
DE102013220746A1 (en) * 2013-10-14 2015-04-16 Battenfeld-Cincinnati Austria Gmbh Apparatus and method for cooling plastic profiles

Also Published As

Publication number Publication date
IT1158868B (en) 1987-02-25
IT7825135A0 (en) 1978-06-29
JPS5439481A (en) 1979-03-26
FR2396230A1 (en) 1979-01-26
FR2396230B3 (en) 1981-02-06
GB2000570A (en) 1979-01-10

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