JPS6127172B2 - - Google Patents

Info

Publication number
JPS6127172B2
JPS6127172B2 JP56092565A JP9256581A JPS6127172B2 JP S6127172 B2 JPS6127172 B2 JP S6127172B2 JP 56092565 A JP56092565 A JP 56092565A JP 9256581 A JP9256581 A JP 9256581A JP S6127172 B2 JPS6127172 B2 JP S6127172B2
Authority
JP
Japan
Prior art keywords
resin
blowing agent
kneading
section
screw
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
JP56092565A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57207031A (en
Inventor
Toshiji Tamura
Hideo Takano
Tadashi Aoki
Shigeru Ueda
Tsutomu Endo
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP56092565A priority Critical patent/JPS57207031A/ja
Publication of JPS57207031A publication Critical patent/JPS57207031A/ja
Publication of JPS6127172B2 publication Critical patent/JPS6127172B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/56Screws having grooves or cavities other than the thread or the channel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
JP56092565A 1981-06-16 1981-06-16 Extruder for thermoplastic resin highly foamed body Granted JPS57207031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56092565A JPS57207031A (en) 1981-06-16 1981-06-16 Extruder for thermoplastic resin highly foamed body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56092565A JPS57207031A (en) 1981-06-16 1981-06-16 Extruder for thermoplastic resin highly foamed body

Publications (2)

Publication Number Publication Date
JPS57207031A JPS57207031A (en) 1982-12-18
JPS6127172B2 true JPS6127172B2 (enrdf_load_stackoverflow) 1986-06-24

Family

ID=14057940

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56092565A Granted JPS57207031A (en) 1981-06-16 1981-06-16 Extruder for thermoplastic resin highly foamed body

Country Status (1)

Country Link
JP (1) JPS57207031A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620587Y2 (ja) * 1987-10-24 1994-06-01 株式会社石中鉄工所 混練用回転スクリュ
JP5456430B2 (ja) * 2009-10-16 2014-03-26 スクリュー精機株式会社 成形機用スクリュー
JP5504201B2 (ja) * 2011-04-04 2014-05-28 株式会社日本製鋼所 スクリュピース構造

Also Published As

Publication number Publication date
JPS57207031A (en) 1982-12-18

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