FR2396230B3 - - Google Patents

Info

Publication number
FR2396230B3
FR2396230B3 FR7819751A FR7819751A FR2396230B3 FR 2396230 B3 FR2396230 B3 FR 2396230B3 FR 7819751 A FR7819751 A FR 7819751A FR 7819751 A FR7819751 A FR 7819751A FR 2396230 B3 FR2396230 B3 FR 2396230B3
Authority
FR
France
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
FR7819751A
Other languages
French (fr)
Other versions
FR2396230A1 (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.)
Cosden Technology Inc
Original Assignee
Cosden Technology 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 Cosden Technology Inc filed Critical Cosden Technology Inc
Publication of FR2396230A1 publication Critical patent/FR2396230A1/en
Application granted granted Critical
Publication of FR2396230B3 publication Critical patent/FR2396230B3/fr
Granted 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)
FR7819751A 1977-07-01 1978-07-03 METHOD AND APPARATUS FOR THE PRODUCTION OF MULTI-LAYER PIPES IN THERMOPLASTIC MATERIALS Granted FR2396230A1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2396230A1 FR2396230A1 (en) 1979-01-26
FR2396230B3 true FR2396230B3 (en) 1981-02-06

Family

ID=25208307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819751A Granted FR2396230A1 (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
US7584771B2 (en) 2002-05-07 2009-09-08 Durr Systems, Inc. Method and apparatus for delivering paint to an applicator and flushing same
MXPA04010979A (en) * 2002-05-07 2005-02-14 Behr 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
GB2000570A (en) 1979-01-10
IT1158868B (en) 1987-02-25
FR2396230A1 (en) 1979-01-26
BE868687A (en) 1978-11-03
IT7825135A0 (en) 1978-06-29
JPS5439481A (en) 1979-03-26

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Legal Events

Date Code Title Description
ST Notification of lapse