GB2178997A - Screw for a molding machine - Google Patents

Screw for a molding machine Download PDF

Info

Publication number
GB2178997A
GB2178997A GB08616826A GB8616826A GB2178997A GB 2178997 A GB2178997 A GB 2178997A GB 08616826 A GB08616826 A GB 08616826A GB 8616826 A GB8616826 A GB 8616826A GB 2178997 A GB2178997 A GB 2178997A
Authority
GB
United Kingdom
Prior art keywords
screw
flight
molding machine
zone
sub
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.)
Withdrawn
Application number
GB08616826A
Other languages
English (en)
Other versions
GB8616826D0 (en
Inventor
Mitsuaki Eshima
Takashi Kamiyama
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
Publication of GB8616826D0 publication Critical patent/GB8616826D0/en
Publication of GB2178997A publication Critical patent/GB2178997A/en
Withdrawn legal-status Critical Current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
    • B29C45/58—Details
    • B29C45/60—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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB08616826A 1985-07-10 1986-07-10 Screw for a molding machine Withdrawn GB2178997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60151487A JPS6211612A (ja) 1985-07-10 1985-07-10 射出成形用高混練スクリュ

Publications (2)

Publication Number Publication Date
GB8616826D0 GB8616826D0 (en) 1986-08-20
GB2178997A true GB2178997A (en) 1987-02-25

Family

ID=15519571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08616826A Withdrawn GB2178997A (en) 1985-07-10 1986-07-10 Screw for a molding machine

Country Status (3)

Country Link
JP (1) JPS6211612A (enrdf_load_stackoverflow)
DE (1) DE3622974A1 (enrdf_load_stackoverflow)
GB (1) GB2178997A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214126A (en) * 1987-12-30 1989-08-31 Toshiba Machine Co Ltd Injection mould screws
BE1002469A4 (nl) * 1988-08-12 1991-02-19 Euro Stel P V B A Verbetering van het opsmeltproces in spuitgietmachines en van de schroeven voor de realisatie ervan.
EP0559719A4 (en) * 1990-11-15 1993-07-26 Du Pont PREPARATION AND MANUFACTURE IN ONE STEP OF FLEXIBLE PARTIALLY GRAFT THERMOPLASTIC COMPOSITIONS.
EP0546085A4 (en) * 1990-08-27 1993-09-15 E.I. Du Pont De Nemours And Company Direct fabrication
WO2009040235A1 (en) * 2007-09-27 2009-04-02 Samp S.P.A. Extruder screw for machines extruding plastics material
CN111070596A (zh) * 2019-12-17 2020-04-28 谢志康 一种注射量超大的双阶式射胶机构
EP4043177A4 (en) * 2019-10-09 2022-12-14 Ishidasangyo Co.,Ltd. MOLDING SCREW, INJECTION MOLDING MACHINE FOR FREE MIX PROCESS, AND METHOD FOR MAKING RESIN CAST BODY IN FREE MIX PROCESS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254283B (en) * 1991-03-26 1995-02-15 Frenkel Ag C D Improvements in plasticising units for screw injection moulding machines
CN115847771A (zh) * 2022-11-13 2023-03-28 浙江华业塑料机械股份有限公司 一种用于挤塑机上的挤塑螺杆及其制作方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB964428A (enrdf_load_stackoverflow) * 1959-12-31 1964-07-22
GB1439642A (en) * 1972-08-23 1976-06-16 Koehring Co Extruder screws and to extruder apparatus using such screws

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504400A (en) * 1967-08-04 1970-04-07 Vish Khim T I Sesquithread feed worm for an extruder
JPS4999856U (enrdf_load_stackoverflow) * 1972-12-22 1974-08-28
JPS57178B2 (enrdf_load_stackoverflow) * 1974-12-21 1982-01-05
JPS5518180A (en) * 1978-07-26 1980-02-08 Matsushita Electric Ind Co Ltd Tuner
JPS582056B2 (ja) * 1979-12-26 1983-01-13 東芝機械株式会社 熱可塑性樹脂成形用スクリュ
JPS582056A (ja) * 1981-06-26 1983-01-07 Hitachi Ltd 回路選択可ｉｃパツケ−ジ方式
JPS5919133A (ja) * 1982-07-22 1984-01-31 Toshiba Mach Co Ltd 熱可塑性樹脂成形用スクリユ
JPH04324493A (ja) * 1991-04-25 1992-11-13 Nec Corp 液晶ディスプレーの信頼性評価装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB964428A (enrdf_load_stackoverflow) * 1959-12-31 1964-07-22
GB1439642A (en) * 1972-08-23 1976-06-16 Koehring Co Extruder screws and to extruder apparatus using such screws

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214126A (en) * 1987-12-30 1989-08-31 Toshiba Machine Co Ltd Injection mould screws
GB2214126B (en) * 1987-12-30 1991-10-23 Toshiba Machine Co Ltd Screws for use in vent type injection molding machines
BE1002469A4 (nl) * 1988-08-12 1991-02-19 Euro Stel P V B A Verbetering van het opsmeltproces in spuitgietmachines en van de schroeven voor de realisatie ervan.
EP0546085A4 (en) * 1990-08-27 1993-09-15 E.I. Du Pont De Nemours And Company Direct fabrication
EP0559719A4 (en) * 1990-11-15 1993-07-26 Du Pont PREPARATION AND MANUFACTURE IN ONE STEP OF FLEXIBLE PARTIALLY GRAFT THERMOPLASTIC COMPOSITIONS.
WO2009040235A1 (en) * 2007-09-27 2009-04-02 Samp S.P.A. Extruder screw for machines extruding plastics material
EP4043177A4 (en) * 2019-10-09 2022-12-14 Ishidasangyo Co.,Ltd. MOLDING SCREW, INJECTION MOLDING MACHINE FOR FREE MIX PROCESS, AND METHOD FOR MAKING RESIN CAST BODY IN FREE MIX PROCESS
CN111070596A (zh) * 2019-12-17 2020-04-28 谢志康 一种注射量超大的双阶式射胶机构

Also Published As

Publication number Publication date
JPH0576408B2 (enrdf_load_stackoverflow) 1993-10-22
DE3622974A1 (de) 1987-02-26
JPS6211612A (ja) 1987-01-20
GB8616826D0 (en) 1986-08-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)