JPH0411371B2 - - Google Patents

Info

Publication number
JPH0411371B2
JPH0411371B2 JP59004065A JP406584A JPH0411371B2 JP H0411371 B2 JPH0411371 B2 JP H0411371B2 JP 59004065 A JP59004065 A JP 59004065A JP 406584 A JP406584 A JP 406584A JP H0411371 B2 JPH0411371 B2 JP H0411371B2
Authority
JP
Japan
Prior art keywords
heating cylinder
diameter
injection
truncated conical
tip
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
JP59004065A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60147315A (ja
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 filed Critical
Priority to JP59004065A priority Critical patent/JPS60147315A/ja
Priority to US06/689,960 priority patent/US4645445A/en
Priority to DE19853500561 priority patent/DE3500561A1/de
Publication of JPS60147315A publication Critical patent/JPS60147315A/ja
Publication of JPH0411371B2 publication Critical patent/JPH0411371B2/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP59004065A 1984-01-12 1984-01-12 射出成形機の射出装置 Granted JPS60147315A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59004065A JPS60147315A (ja) 1984-01-12 1984-01-12 射出成形機の射出装置
US06/689,960 US4645445A (en) 1984-01-12 1985-01-09 Injection device of injection molding machine
DE19853500561 DE3500561A1 (de) 1984-01-12 1985-01-10 Einspritzvorrichtung fuer eine spritzgussmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59004065A JPS60147315A (ja) 1984-01-12 1984-01-12 射出成形機の射出装置

Publications (2)

Publication Number Publication Date
JPS60147315A JPS60147315A (ja) 1985-08-03
JPH0411371B2 true JPH0411371B2 (en]) 1992-02-28

Family

ID=11574430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59004065A Granted JPS60147315A (ja) 1984-01-12 1984-01-12 射出成形機の射出装置

Country Status (3)

Country Link
US (1) US4645445A (en])
JP (1) JPS60147315A (en])
DE (1) DE3500561A1 (en])

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU574940B2 (en) * 1985-12-23 1988-07-14 Takashi Ataka Compressing and grinding apparatus
CA1268915A (en) * 1989-02-10 1990-05-15 Jobst Ulrich Gellert Injection molding nozzle having circumferentially spaced conductive probes
JPH0628244Y2 (ja) * 1990-02-09 1994-08-03 駿河精機株式会社 発泡プラスチックの減容機
WO1996020075A1 (en) * 1994-12-23 1996-07-04 Amoco Corporation Improved process for making preforms useful for encapsulating semiconductors
US5823668A (en) * 1997-05-29 1998-10-20 Spirex Corporation Extruder and extrusion screw therefor
US6042362A (en) * 1997-07-25 2000-03-28 Sumitomo Bakelite Company Limited Thermosetting resin injection molding machine
DE19956478C2 (de) * 1999-11-24 2001-10-18 Hengst Walter Gmbh & Co Kg Verfahren und Vorrichtung zum Herstellen von Gußstücken
JP4626079B2 (ja) * 2001-04-02 2011-02-02 株式会社村田製作所 射出成形機
US20080267003A1 (en) * 2007-04-24 2008-10-30 Shashank Gulabchand Kasliwal Extrusion method and apparatus
DE102013002559B4 (de) * 2013-02-15 2014-09-18 Reifenhäuser GmbH & Co. KG Maschinenfabrik Einschnecken-Extruder und Verfahren zum Plastifizieren von Kunststoff-Polymeren
JP6639800B2 (ja) * 2014-05-08 2020-02-05 東芝機械株式会社 押出機用スクリュ並びに押出機および押出方法
JP6446234B2 (ja) * 2014-10-27 2018-12-26 東芝機械株式会社 押出機用スクリュ、スクリュエレメント、押出機および押出方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653637A (en) * 1968-11-29 1972-04-04 Hans A Eckhardt Apparatus for processing plastic materials
CH512987A (de) * 1969-09-04 1971-09-30 Buehler Ag Geb Verfahren und Vorrichtung zum Spritzgiessen von Kunststoff zu geschäumten Gegenständen
US3826477A (en) * 1971-04-13 1974-07-30 Meiki Seisakusho Kk Injection molding machine with a venting device
JPS5072764U (en]) * 1973-11-13 1975-06-26
JPS5156874A (en) * 1974-11-14 1976-05-18 Toray Industries Konoryoku 2 suteejisukuryuu
DD122227A1 (en]) * 1975-08-01 1976-09-20
JPS54154464A (en) * 1978-05-26 1979-12-05 Gorou Okada Recycling extrusion processing
JPS565655A (en) * 1979-06-28 1981-01-21 Asahi Glass Co Ltd Device for forming bubble
JPS5677126A (en) * 1979-11-29 1981-06-25 Yamashiro Seiki Seisakusho:Kk Injection molding machine for high injection pressure use

Also Published As

Publication number Publication date
US4645445A (en) 1987-02-24
DE3500561A1 (de) 1985-07-25
JPS60147315A (ja) 1985-08-03
DE3500561C2 (en]) 1990-07-26

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