JPH0121776B2 - - Google Patents

Info

Publication number
JPH0121776B2
JPH0121776B2 JP59143726A JP14372684A JPH0121776B2 JP H0121776 B2 JPH0121776 B2 JP H0121776B2 JP 59143726 A JP59143726 A JP 59143726A JP 14372684 A JP14372684 A JP 14372684A JP H0121776 B2 JPH0121776 B2 JP H0121776B2
Authority
JP
Japan
Prior art keywords
groove
grooves
screw
stage
open
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
Application number
JP59143726A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6122921A (ja
Inventor
Kenji Nozawa
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 JP59143726A priority Critical patent/JPS6122921A/ja
Publication of JPS6122921A publication Critical patent/JPS6122921A/ja
Publication of JPH0121776B2 publication Critical patent/JPH0121776B2/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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66

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)
JP59143726A 1984-07-11 1984-07-11 熱可塑性樹脂用スクリユ Granted JPS6122921A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59143726A JPS6122921A (ja) 1984-07-11 1984-07-11 熱可塑性樹脂用スクリユ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59143726A JPS6122921A (ja) 1984-07-11 1984-07-11 熱可塑性樹脂用スクリユ

Publications (2)

Publication Number Publication Date
JPS6122921A JPS6122921A (ja) 1986-01-31
JPH0121776B2 true JPH0121776B2 (enrdf_load_stackoverflow) 1989-04-24

Family

ID=15345571

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59143726A Granted JPS6122921A (ja) 1984-07-11 1984-07-11 熱可塑性樹脂用スクリユ

Country Status (1)

Country Link
JP (1) JPS6122921A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH067403U (ja) * 1992-01-10 1994-02-01 ニッコー機材株式会社 不透水層貫通孔を形成するための土表面孔明け装置

Also Published As

Publication number Publication date
JPS6122921A (ja) 1986-01-31

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees