CN1078941C - 共挤塑多层塑料管及其制造方法和设备 - Google Patents

共挤塑多层塑料管及其制造方法和设备 Download PDF

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Publication number
CN1078941C
CN1078941C CN96199007A CN96199007A CN1078941C CN 1078941 C CN1078941 C CN 1078941C CN 96199007 A CN96199007 A CN 96199007A CN 96199007 A CN96199007 A CN 96199007A CN 1078941 C CN1078941 C CN 1078941C
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Prior art keywords
pipe
middle layer
layer
plastic
multilayer plastic
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CN96199007A
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Chinese (zh)
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CN1204387A (zh
Inventor
J·加闻凯拉
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UPONOR INNOVATION AG
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UPONOR INNOVATION AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • 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
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    • 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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B29C48/30—Extrusion nozzles or dies
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    • B29C48/3366—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 die with concentric parts, e.g. rings, cylinders
    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
CN96199007A 1995-12-12 1996-12-12 共挤塑多层塑料管及其制造方法和设备 Expired - Fee Related CN1078941C (zh)

Applications Claiming Priority (2)

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FI955960 1995-12-12
FI955960A FI100130B (fi) 1995-12-12 1995-12-12 Monikerroksinen muoviputki

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CN1204387A CN1204387A (zh) 1999-01-06
CN1078941C true CN1078941C (zh) 2002-02-06

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US (1) US6176269B1 (enExample)
EP (4) EP1393891A1 (enExample)
JP (1) JP2000501823A (enExample)
CN (1) CN1078941C (enExample)
AT (1) ATE258661T1 (enExample)
AU (1) AU708639B2 (enExample)
CA (1) CA2239870A1 (enExample)
DE (1) DE69631432T2 (enExample)
DK (1) DK0864060T3 (enExample)
ES (1) ES2213783T3 (enExample)
FI (1) FI100130B (enExample)
RU (1) RU2157939C2 (enExample)
WO (1) WO1997021950A1 (enExample)

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EP1393891A1 (en) 2004-03-03
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FI955960L (fi) 1997-06-13
FI100130B (fi) 1997-09-30
CN1204387A (zh) 1999-01-06
ATE258661T1 (de) 2004-02-15
CA2239870A1 (en) 1997-06-19
RU2157939C1 (ru) 2000-10-20
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DE69631432D1 (de) 2004-03-04
DE69631432T2 (de) 2004-11-04
DK0864060T3 (da) 2004-06-07
FI955960A0 (fi) 1995-12-12
ES2213783T3 (es) 2004-09-01
AU1068397A (en) 1997-07-03
EP0864060B1 (en) 2004-01-28
WO1997021950A1 (en) 1997-06-19
EP1393891A9 (en) 2004-07-28
US6176269B1 (en) 2001-01-23
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