JPH02112417U - - Google Patents

Info

Publication number
JPH02112417U
JPH02112417U JP1989021653U JP2165389U JPH02112417U JP H02112417 U JPH02112417 U JP H02112417U JP 1989021653 U JP1989021653 U JP 1989021653U JP 2165389 U JP2165389 U JP 2165389U JP H02112417 U JPH02112417 U JP H02112417U
Authority
JP
Japan
Prior art keywords
small diameter
passages
temperature adjustment
outer sides
annular passages
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.)
Granted
Application number
JP1989021653U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0547630Y2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP1989021653U priority Critical patent/JPH0547630Y2/ja
Publication of JPH02112417U publication Critical patent/JPH02112417U/ja
Application granted granted Critical
Publication of JPH0547630Y2 publication Critical patent/JPH0547630Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/337—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
JP1989021653U 1989-02-27 1989-02-27 Expired - Lifetime JPH0547630Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989021653U JPH0547630Y2 (enrdf_load_stackoverflow) 1989-02-27 1989-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989021653U JPH0547630Y2 (enrdf_load_stackoverflow) 1989-02-27 1989-02-27

Publications (2)

Publication Number Publication Date
JPH02112417U true JPH02112417U (enrdf_load_stackoverflow) 1990-09-07
JPH0547630Y2 JPH0547630Y2 (enrdf_load_stackoverflow) 1993-12-15

Family

ID=31239078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989021653U Expired - Lifetime JPH0547630Y2 (enrdf_load_stackoverflow) 1989-02-27 1989-02-27

Country Status (1)

Country Link
JP (1) JPH0547630Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0547630Y2 (enrdf_load_stackoverflow) 1993-12-15

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