JPH0257494B2 - - Google Patents

Info

Publication number
JPH0257494B2
JPH0257494B2 JP60068767A JP6876785A JPH0257494B2 JP H0257494 B2 JPH0257494 B2 JP H0257494B2 JP 60068767 A JP60068767 A JP 60068767A JP 6876785 A JP6876785 A JP 6876785A JP H0257494 B2 JPH0257494 B2 JP H0257494B2
Authority
JP
Japan
Prior art keywords
groove
sub
zone
groove bottom
flights
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
JP60068767A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61227003A (ja
Inventor
Shigeru Fujita
Mitsuaki Ejima
Osamu Segawa
Takashi Kamyama
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 JP60068767A priority Critical patent/JPS61227003A/ja
Priority to GB8607731A priority patent/GB2175244B/en
Priority to DE19863610699 priority patent/DE3610699A1/de
Publication of JPS61227003A publication Critical patent/JPS61227003A/ja
Publication of JPH0257494B2 publication Critical patent/JPH0257494B2/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
    • B29C45/58—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
JP60068767A 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 Granted JPS61227003A (ja)

Priority Applications (3)

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
GB8607731A GB2175244B (en) 1985-04-01 1986-03-27 Screw adapted for plastic formation
DE19863610699 DE3610699A1 (de) 1985-04-01 1986-03-29 Schnecke, geeignet fuer plastische formung

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 (2)

Publication Number Publication Date
JPS61227003A JPS61227003A (ja) 1986-10-09
JPH0257494B2 true JPH0257494B2 (enrdf_load_stackoverflow) 1990-12-05

Family

ID=13383210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60068767A Granted 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

Country Status (3)

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

Families Citing this family (6)

* 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
DE3744553A1 (de) * 1987-12-30 1989-07-13 Toshiba Machine Co Ltd Schnecke zur verwendung bei einer spritzgiessmaschine des entlueftungstyps
JP2781932B2 (ja) * 1991-01-08 1998-07-30 株式会社名機製作所 射出成形機
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
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

Family Cites Families (11)

* 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
GB1279663A (en) * 1969-02-14 1972-06-28 Midland Ross Corp Improved extruder screw
DE1909009B2 (de) * 1969-02-22 1973-04-26 Fried Krupp GmbH, 4300 Essen Mehrgaengige extruderschnecke
DE2017580A1 (de) * 1970-04-13 1971-10-28 Barmag Barmer Maschf Schneckenstrangpresse mit einer eingängigen, eine erhöhte Scherung bewirkenden Schnecke
US3858856A (en) * 1973-01-26 1975-01-07 John S Hsu Extruder screw
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

Also Published As

Publication number Publication date
GB8607731D0 (en) 1986-04-30
DE3610699A1 (de) 1986-10-09
JPS61227003A (ja) 1986-10-09
GB2175244B (en) 1989-08-23
GB2175244A (en) 1986-11-26

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