JPS5561437A - Manufacturing method for thermoplastic resin foamed pipe - Google Patents

Manufacturing method for thermoplastic resin foamed pipe

Info

Publication number
JPS5561437A
JPS5561437A JP13449378A JP13449378A JPS5561437A JP S5561437 A JPS5561437 A JP S5561437A JP 13449378 A JP13449378 A JP 13449378A JP 13449378 A JP13449378 A JP 13449378A JP S5561437 A JPS5561437 A JP S5561437A
Authority
JP
Japan
Prior art keywords
die
pipe
taper
cooling
foaming
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.)
Pending
Application number
JP13449378A
Other languages
English (en)
Inventor
Nobuhiko Ando
Toshiro Suganuma
Hiroyuki Watanabe
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.)
Toagosei Co Ltd
Original Assignee
Toagosei Co Ltd
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 Toagosei Co Ltd filed Critical Toagosei Co Ltd
Priority to JP13449378A priority Critical patent/JPS5561437A/ja
Publication of JPS5561437A publication Critical patent/JPS5561437A/ja
Pending 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
JP13449378A 1978-11-02 1978-11-02 Manufacturing method for thermoplastic resin foamed pipe Pending JPS5561437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13449378A JPS5561437A (en) 1978-11-02 1978-11-02 Manufacturing method for thermoplastic resin foamed pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13449378A JPS5561437A (en) 1978-11-02 1978-11-02 Manufacturing method for thermoplastic resin foamed pipe

Publications (1)

Publication Number Publication Date
JPS5561437A true JPS5561437A (en) 1980-05-09

Family

ID=15129601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13449378A Pending JPS5561437A (en) 1978-11-02 1978-11-02 Manufacturing method for thermoplastic resin foamed pipe

Country Status (1)

Country Link
JP (1) JPS5561437A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399086A (en) * 1980-03-04 1983-08-16 Swiss Aluminium Ltd. Process for manufacturing foamed plastic sheets
CN104999645A (zh) * 2015-06-16 2015-10-28 凤阳九龙新型建材有限公司 一种pvc管的生产工艺
CN116728742A (zh) * 2023-08-09 2023-09-12 江苏乾锦塑业科技有限公司 一种cpvc电缆管内外壁除水冷却装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399086A (en) * 1980-03-04 1983-08-16 Swiss Aluminium Ltd. Process for manufacturing foamed plastic sheets
CN104999645A (zh) * 2015-06-16 2015-10-28 凤阳九龙新型建材有限公司 一种pvc管的生产工艺
CN116728742A (zh) * 2023-08-09 2023-09-12 江苏乾锦塑业科技有限公司 一种cpvc电缆管内外壁除水冷却装置
CN116728742B (zh) * 2023-08-09 2024-02-23 江苏乾锦塑业科技有限公司 一种cpvc电缆管内外壁除水冷却装置

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