JPH0548169B2 - - Google Patents

Info

Publication number
JPH0548169B2
JPH0548169B2 JP59005526A JP552684A JPH0548169B2 JP H0548169 B2 JPH0548169 B2 JP H0548169B2 JP 59005526 A JP59005526 A JP 59005526A JP 552684 A JP552684 A JP 552684A JP H0548169 B2 JPH0548169 B2 JP H0548169B2
Authority
JP
Japan
Prior art keywords
screw
resin
section
extrusion
tube
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 - Lifetime
Application number
JP59005526A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60149448A (ja
Inventor
Yoshiaki Fukuda
Takeshi Myasaka
Iori Matsumoto
Nobukatsu Kato
Kenji Ema
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals 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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP59005526A priority Critical patent/JPS60149448A/ja
Publication of JPS60149448A publication Critical patent/JPS60149448A/ja
Publication of JPH0548169B2 publication Critical patent/JPH0548169B2/ja
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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
JP59005526A 1984-01-18 1984-01-18 合成樹脂複合管 Granted JPS60149448A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59005526A JPS60149448A (ja) 1984-01-18 1984-01-18 合成樹脂複合管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59005526A JPS60149448A (ja) 1984-01-18 1984-01-18 合成樹脂複合管

Publications (2)

Publication Number Publication Date
JPS60149448A JPS60149448A (ja) 1985-08-06
JPH0548169B2 true JPH0548169B2 (enrdf_load_stackoverflow) 1993-07-20

Family

ID=11613631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59005526A Granted JPS60149448A (ja) 1984-01-18 1984-01-18 合成樹脂複合管

Country Status (1)

Country Link
JP (1) JPS60149448A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60149448A (ja) 1985-08-06

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