DE3622974A1 - Schnecke fuer eine kunststoffgiessmaschine - Google Patents

Schnecke fuer eine kunststoffgiessmaschine

Info

Publication number
DE3622974A1
DE3622974A1 DE19863622974 DE3622974A DE3622974A1 DE 3622974 A1 DE3622974 A1 DE 3622974A1 DE 19863622974 DE19863622974 DE 19863622974 DE 3622974 A DE3622974 A DE 3622974A DE 3622974 A1 DE3622974 A1 DE 3622974A1
Authority
DE
Germany
Prior art keywords
screw
snail
passage
molding machine
compression
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.)
Ceased
Application number
DE19863622974
Other languages
German (de)
English (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 DE3622974A1 publication Critical patent/DE3622974A1/de
Ceased 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)
DE19863622974 1985-07-10 1986-07-09 Schnecke fuer eine kunststoffgiessmaschine Ceased DE3622974A1 (de)

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 (1)

Publication Number Publication Date
DE3622974A1 true DE3622974A1 (de) 1987-02-26

Family

ID=15519571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863622974 Ceased DE3622974A1 (de) 1985-07-10 1986-07-09 Schnecke fuer eine kunststoffgiessmaschine

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019923A1 (en) * 1991-03-26 1993-10-14 Frenkel C-D Aktiengesellschaft Plasticizing unit for screw injection moulding machines

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744553A1 (de) * 1987-12-30 1989-07-13 Toshiba Machine Co Ltd Schnecke zur verwendung bei einer spritzgiessmaschine des entlueftungstyps
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
US5114658A (en) * 1990-11-15 1992-05-19 E. I. Du Pont De Nemours And Company One step preparation and fabrication of partially grafted flexible thermoplastic compositions
ITBO20070658A1 (it) * 2007-09-27 2009-03-28 Samp S P A Vite di estrusione per macchine per estrudere materia plastica.
JP6971488B2 (ja) * 2019-10-09 2021-11-24 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
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
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 (4)

* 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
DE2556916A1 (de) * 1974-12-21 1976-07-01 Sumitomo Bakelite Co Verfahren und vorrichtung zum spritzgiessen von waerme- bzw. hitzehaertenden kunstharzen
JPS5518180A (en) * 1978-07-26 1980-02-08 Matsushita Electric Ind Co Ltd Tuner
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH363149A (fr) * 1959-12-31 1962-07-15 Maillefer Sa Boudineuse à vis
US3870284A (en) * 1972-08-23 1975-03-11 Koehring Co Extruder screws
JPS4999856U (zh) * 1972-12-22 1974-08-28
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

Patent Citations (4)

* 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
DE2556916A1 (de) * 1974-12-21 1976-07-01 Sumitomo Bakelite Co Verfahren und vorrichtung zum spritzgiessen von waerme- bzw. hitzehaertenden kunstharzen
JPS5518180A (en) * 1978-07-26 1980-02-08 Matsushita Electric Ind Co Ltd Tuner
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019923A1 (en) * 1991-03-26 1993-10-14 Frenkel C-D Aktiengesellschaft Plasticizing unit for screw injection moulding machines

Also Published As

Publication number Publication date
GB8616826D0 (en) 1986-08-20
GB2178997A (en) 1987-02-25
JPS6211612A (ja) 1987-01-20
JPH0576408B2 (zh) 1993-10-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection