JPH0215631Y2 - - Google Patents

Info

Publication number
JPH0215631Y2
JPH0215631Y2 JP1985128084U JP12808485U JPH0215631Y2 JP H0215631 Y2 JPH0215631 Y2 JP H0215631Y2 JP 1985128084 U JP1985128084 U JP 1985128084U JP 12808485 U JP12808485 U JP 12808485U JP H0215631 Y2 JPH0215631 Y2 JP H0215631Y2
Authority
JP
Japan
Prior art keywords
resin
forming
layer
die
discharge port
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
JP1985128084U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235813U (en]
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 JP1985128084U priority Critical patent/JPH0215631Y2/ja
Publication of JPS6235813U publication Critical patent/JPS6235813U/ja
Application granted granted Critical
Publication of JPH0215631Y2 publication Critical patent/JPH0215631Y2/ja
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
    • 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
    • B29C48/03—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)
JP1985128084U 1985-08-22 1985-08-22 Expired JPH0215631Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985128084U JPH0215631Y2 (en]) 1985-08-22 1985-08-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985128084U JPH0215631Y2 (en]) 1985-08-22 1985-08-22

Publications (2)

Publication Number Publication Date
JPS6235813U JPS6235813U (en]) 1987-03-03
JPH0215631Y2 true JPH0215631Y2 (en]) 1990-04-26

Family

ID=31023432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985128084U Expired JPH0215631Y2 (en]) 1985-08-22 1985-08-22

Country Status (1)

Country Link
JP (1) JPH0215631Y2 (en])

Also Published As

Publication number Publication date
JPS6235813U (en]) 1987-03-03

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