JPH0152169B2 - - Google Patents

Info

Publication number
JPH0152169B2
JPH0152169B2 JP59268013A JP26801384A JPH0152169B2 JP H0152169 B2 JPH0152169 B2 JP H0152169B2 JP 59268013 A JP59268013 A JP 59268013A JP 26801384 A JP26801384 A JP 26801384A JP H0152169 B2 JPH0152169 B2 JP H0152169B2
Authority
JP
Japan
Prior art keywords
flight
sub
screw
main
height
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
JP59268013A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61144326A (ja
Inventor
Osamu Segawa
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine 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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP59268013A priority Critical patent/JPS61144326A/ja
Publication of JPS61144326A publication Critical patent/JPS61144326A/ja
Publication of JPH0152169B2 publication Critical patent/JPH0152169B2/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
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP59268013A 1984-12-19 1984-12-19 プラスチツク成形用スクリユ Granted JPS61144326A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59268013A JPS61144326A (ja) 1984-12-19 1984-12-19 プラスチツク成形用スクリユ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59268013A JPS61144326A (ja) 1984-12-19 1984-12-19 プラスチツク成形用スクリユ

Publications (2)

Publication Number Publication Date
JPS61144326A JPS61144326A (ja) 1986-07-02
JPH0152169B2 true JPH0152169B2 (en]) 1989-11-08

Family

ID=17452689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59268013A Granted JPS61144326A (ja) 1984-12-19 1984-12-19 プラスチツク成形用スクリユ

Country Status (1)

Country Link
JP (1) JPS61144326A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63122513A (ja) * 1986-11-13 1988-05-26 Toshiba Mach Co Ltd 射出成形用高分散スクリユ
US5071256A (en) * 1990-07-09 1991-12-10 Spirex Corporation Extruder injection apparatus and method
JP3170757B2 (ja) * 1990-08-31 2001-05-28 東芝機械株式会社 バリヤスクリュ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780037A (en) * 1980-11-05 1982-05-19 Mitsubishi Heavy Ind Ltd High degree kneading type screw
JPS5817122U (ja) * 1981-07-25 1983-02-02 三菱重工業株式会社 スクリユ

Also Published As

Publication number Publication date
JPS61144326A (ja) 1986-07-02

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