JPS5528816A - Screw for plastic molding apparatus - Google Patents

Screw for plastic molding apparatus

Info

Publication number
JPS5528816A
JPS5528816A JP10163678A JP10163678A JPS5528816A JP S5528816 A JPS5528816 A JP S5528816A JP 10163678 A JP10163678 A JP 10163678A JP 10163678 A JP10163678 A JP 10163678A JP S5528816 A JPS5528816 A JP S5528816A
Authority
JP
Japan
Prior art keywords
screw
groove
depth
mix
molding apparatus
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
JP10163678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6111182B2 (2
Inventor
Taketoshi Ishikawa
Misoji Hasegawa
Fumitaka Tsuchiya
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 JP10163678A priority Critical patent/JPS5528816A/ja
Publication of JPS5528816A publication Critical patent/JPS5528816A/ja
Publication of JPS6111182B2 publication Critical patent/JPS6111182B2/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
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP10163678A 1978-08-21 1978-08-21 Screw for plastic molding apparatus Granted JPS5528816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10163678A JPS5528816A (en) 1978-08-21 1978-08-21 Screw for plastic molding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10163678A JPS5528816A (en) 1978-08-21 1978-08-21 Screw for plastic molding apparatus

Publications (2)

Publication Number Publication Date
JPS5528816A true JPS5528816A (en) 1980-02-29
JPS6111182B2 JPS6111182B2 (2) 1986-04-01

Family

ID=14305875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10163678A Granted JPS5528816A (en) 1978-08-21 1978-08-21 Screw for plastic molding apparatus

Country Status (1)

Country Link
JP (1) JPS5528816A (2)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832889A (en) * 1988-01-04 1989-05-23 Mobil Oil Corporation Vaulted screw/grooved barrel extrusion machine, method and system
US4842788A (en) * 1988-01-04 1989-06-27 Mobil Oil Corporation Process of an apparatus for extruding a meltable composition
US5356281A (en) * 1992-08-10 1994-10-18 Three Bond Co., Ltd. Screw-type resin injection apparatus for injection molding
EP0839631A3 (en) * 1996-11-04 2000-04-12 Spirex Corporation Screw for plasticating apparatus and method of use
WO2021070670A1 (ja) * 2019-10-09 2021-04-15 石田産業株式会社 成形用スクリュー、フリーブレンド方式用射出成形機およびフリーブレンド方式の樹脂成形体製造方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832889A (en) * 1988-01-04 1989-05-23 Mobil Oil Corporation Vaulted screw/grooved barrel extrusion machine, method and system
US4842788A (en) * 1988-01-04 1989-06-27 Mobil Oil Corporation Process of an apparatus for extruding a meltable composition
US5356281A (en) * 1992-08-10 1994-10-18 Three Bond Co., Ltd. Screw-type resin injection apparatus for injection molding
EP0839631A3 (en) * 1996-11-04 2000-04-12 Spirex Corporation Screw for plasticating apparatus and method of use
WO2021070670A1 (ja) * 2019-10-09 2021-04-15 石田産業株式会社 成形用スクリュー、フリーブレンド方式用射出成形機およびフリーブレンド方式の樹脂成形体製造方法
US12226940B2 (en) 2019-10-09 2025-02-18 Daiichi Seikosha Co., Ltd. Molding screw, free blend injection molding machine, and free blend-type resin molded body manufacturing method

Also Published As

Publication number Publication date
JPS6111182B2 (2) 1986-04-01

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