DE3610699A1 - Schnecke, geeignet fuer plastische formung - Google Patents

Schnecke, geeignet fuer plastische formung

Info

Publication number
DE3610699A1
DE3610699A1 DE19863610699 DE3610699A DE3610699A1 DE 3610699 A1 DE3610699 A1 DE 3610699A1 DE 19863610699 DE19863610699 DE 19863610699 DE 3610699 A DE3610699 A DE 3610699A DE 3610699 A1 DE3610699 A1 DE 3610699A1
Authority
DE
Germany
Prior art keywords
thread
groove
depth
screw
secondary thread
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
DE19863610699
Other languages
German (de)
English (en)
Inventor
Mitsuaki Eshima
Shigeru Numazu Shizuoka Fujita
Takashi Numazu Shizuoka Kamiyama
Osamu Mishima Shizuoka 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 DE3610699A1 publication Critical patent/DE3610699A1/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
    • B29C48/64—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE19863610699 1985-04-01 1986-03-29 Schnecke, geeignet fuer plastische formung Ceased DE3610699A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60068767A JPS61227003A (ja) 1985-04-01 1985-04-01 サブフライトを備えたプラスチツク成形用スクリユ

Publications (1)

Publication Number Publication Date
DE3610699A1 true DE3610699A1 (de) 1986-10-09

Family

ID=13383210

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863610699 Ceased DE3610699A1 (de) 1985-04-01 1986-03-29 Schnecke, geeignet fuer plastische formung

Country Status (3)

Country Link
JP (1) JPS61227003A (enrdf_load_stackoverflow)
DE (1) DE3610699A1 (enrdf_load_stackoverflow)
GB (1) GB2175244B (enrdf_load_stackoverflow)

Cited By (2)

* 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
DE4228254A1 (de) * 1992-08-25 1994-03-03 Edda Hummer Maschine und Verfahren zur Herstellung in sich stabiler und nicht lackierungsbedürftiger, 100 % recyclingfähiger Synthetik-Rattan-Möbel einschl. der Möbel

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733970A (en) * 1985-09-09 1988-03-29 Sterling Extruder Corporation Extruder screw
JP2781932B2 (ja) * 1991-01-08 1998-07-30 株式会社名機製作所 射出成形機
US10532490B2 (en) * 2016-04-06 2020-01-14 Davis-Standard, Llc Plasticating apparatus screw having grooves of varying angles and depths
CN108381892B (zh) * 2018-05-18 2023-09-26 山东农业大学 一种降解薄膜吹塑机组

Citations (3)

* 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
DE1909009A1 (de) * 1969-02-22 1970-09-10 Krupp Gmbh Extruderschnecke
US3858856A (en) * 1973-01-26 1975-01-07 John S Hsu Extruder screw

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1279663A (en) * 1969-02-14 1972-06-28 Midland Ross Corp Improved extruder screw
DE2017580A1 (de) * 1970-04-13 1971-10-28 Barmag Barmer Maschf Schneckenstrangpresse mit einer eingängigen, eine erhöhte Scherung bewirkenden Schnecke
CH551853A (de) * 1973-06-22 1974-07-31 Sofisa Fa Schneckenpresse.
JPS50136352A (enrdf_load_stackoverflow) * 1974-04-17 1975-10-29
US4128341A (en) * 1977-04-29 1978-12-05 Ingersoll-Rand Co. Extruder screw
JPS53145874A (en) * 1977-05-24 1978-12-19 Ai Chiyun Chiyan Extruder screw
US4330214A (en) * 1980-02-19 1982-05-18 W. H. Willert, Inc. Plasticizing screw
JPS59188418A (ja) * 1983-04-12 1984-10-25 Ube Ind Ltd 樹脂成形用スクリユ

Patent Citations (3)

* 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
DE1909009A1 (de) * 1969-02-22 1970-09-10 Krupp Gmbh Extruderschnecke
US3858856A (en) * 1973-01-26 1975-01-07 John S Hsu Extruder screw

Cited By (2)

* 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
DE4228254A1 (de) * 1992-08-25 1994-03-03 Edda Hummer Maschine und Verfahren zur Herstellung in sich stabiler und nicht lackierungsbedürftiger, 100 % recyclingfähiger Synthetik-Rattan-Möbel einschl. der Möbel

Also Published As

Publication number Publication date
GB8607731D0 (en) 1986-04-30
GB2175244B (en) 1989-08-23
JPH0257494B2 (enrdf_load_stackoverflow) 1990-12-05
GB2175244A (en) 1986-11-26
JPS61227003A (ja) 1986-10-09

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Legal Events

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