JPS5522906A - Plasticizing device in injection molding machine - Google Patents

Plasticizing device in injection molding machine

Info

Publication number
JPS5522906A
JPS5522906A JP9507878A JP9507878A JPS5522906A JP S5522906 A JPS5522906 A JP S5522906A JP 9507878 A JP9507878 A JP 9507878A JP 9507878 A JP9507878 A JP 9507878A JP S5522906 A JPS5522906 A JP S5522906A
Authority
JP
Japan
Prior art keywords
screw
cylinder
plasticized
plasticizing
ragged
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.)
Granted
Application number
JP9507878A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5711772B2 (enrdf_load_stackoverflow
Inventor
Kazuyuki Nakamura
Hiroyuki Tokushige
Makoto Inoue
Toshiaki Hie
Kenji Hirata
Kazuhisa Yokoyama
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP9507878A priority Critical patent/JPS5522906A/ja
Publication of JPS5522906A publication Critical patent/JPS5522906A/ja
Publication of JPS5711772B2 publication Critical patent/JPS5711772B2/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
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP9507878A 1978-08-04 1978-08-04 Plasticizing device in injection molding machine Granted JPS5522906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9507878A JPS5522906A (en) 1978-08-04 1978-08-04 Plasticizing device in injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9507878A JPS5522906A (en) 1978-08-04 1978-08-04 Plasticizing device in injection molding machine

Publications (2)

Publication Number Publication Date
JPS5522906A true JPS5522906A (en) 1980-02-19
JPS5711772B2 JPS5711772B2 (enrdf_load_stackoverflow) 1982-03-06

Family

ID=14127917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9507878A Granted JPS5522906A (en) 1978-08-04 1978-08-04 Plasticizing device in injection molding machine

Country Status (1)

Country Link
JP (1) JPS5522906A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193333A (en) * 1981-05-26 1982-11-27 Asmo Co Ltd Injection molding machine
JPS5862623U (ja) * 1981-10-22 1983-04-27 三菱重工業株式会社 可塑化装置
JPS59169918U (ja) * 1983-04-27 1984-11-14 住友重機械工業株式会社 可塑化装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6255429U (enrdf_load_stackoverflow) * 1985-09-25 1987-04-06
JPS6287825U (enrdf_load_stackoverflow) * 1985-11-21 1987-06-04
JPS6371343A (ja) * 1986-09-12 1988-03-31 株式会社　森田鉄工所 段ボ−ル紙−気泡入りプラスチツクシ−ト複合体
JPH0513966U (ja) * 1991-06-21 1993-02-23 川上産業株式会社 片面段ボール紙を材料とする緩衝材

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244783A (en) * 1975-10-06 1977-04-08 Koa Sekiyu Kk Oil adsorbent

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244783A (en) * 1975-10-06 1977-04-08 Koa Sekiyu Kk Oil adsorbent

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57193333A (en) * 1981-05-26 1982-11-27 Asmo Co Ltd Injection molding machine
JPS5862623U (ja) * 1981-10-22 1983-04-27 三菱重工業株式会社 可塑化装置
JPS59169918U (ja) * 1983-04-27 1984-11-14 住友重機械工業株式会社 可塑化装置

Also Published As

Publication number Publication date
JPS5711772B2 (enrdf_load_stackoverflow) 1982-03-06

Similar Documents

Publication Publication Date Title
GB805366A (en) Improvements in or relating to extrusion presses
JPS56146712A (en) Resin press molding by direct autocharger
JPS5522906A (en) Plasticizing device in injection molding machine
GB937972A (en) Injection moulding machine
ES261306A1 (es) Un aparato para la restauraciën de goma
US3609817A (en) Moulding apparatus for thermosetting plastics material
US3192299A (en) Injection molding machine and process for plasticizing plastic material
ES462179A1 (es) Perfeccionamientos en los utiles de extrusion para la fabri-cacion de tubos de plastico.
GB1292753A (en) Mixing and plasticating machine with a piston
JPS5677126A (en) Injection molding machine for high injection pressure use
GB953217A (en) A method and a machine for producing moulded articles by injection moulding
GB1235270A (en) Apparatus for feeding and preheating plastic molding resin in particulate form
GB1220971A (en) An injection moulding machine mould runner sprue ejection device
GB1245665A (en) Improvements in or relating to a method and apparatus for plasticizing particulate material
JPS55159951A (en) Plasticized screw of synthetic resin molding machine
JPS5546945A (en) Purging of extruding machine
JPS6143529A (ja) 成形方法
JPS55154112A (en) Plastic granulating device
GB946194A (en) Injection unit for filling moulds of injection moulding machines
GB698632A (en) Improvements in or relating to injection moulding machines
JPS5670927A (en) Molding apparatus
US3040382A (en) Device for preplasticization in injection presses
GB1342280A (en) Injection moulding machines
JPS5637110A (en) Resin molding press
GB902099A (en) Improvements relating to extrusion