JPS59171917U - Injection molding machine screw - Google Patents

Injection molding machine screw

Info

Publication number
JPS59171917U
JPS59171917U JP1983066723U JP6672383U JPS59171917U JP S59171917 U JPS59171917 U JP S59171917U JP 1983066723 U JP1983066723 U JP 1983066723U JP 6672383 U JP6672383 U JP 6672383U JP S59171917 U JPS59171917 U JP S59171917U
Authority
JP
Japan
Prior art keywords
molding machine
injection molding
screw
machine screw
circumferential surface
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.)
Pending
Application number
JP1983066723U
Other languages
Japanese (ja)
Inventor
石倉　和正
Original Assignee
積水化学工業株式会社
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 積水化学工業株式会社 filed Critical 積水化学工業株式会社
Priority to JP1983066723U priority Critical patent/JPS59171917U/en
Publication of JPS59171917U publication Critical patent/JPS59171917U/en
Pending 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
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • B29C2045/528—Mixing means forming part of or in close proximity to the non-return valve

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の射出成形機のスクリュウの一部を示す断
面図、第２図は本考案による射出成形機のスクリュウめ
要部の断面図、第３図は上記実施例の射出時の要部断面
図である。 １・・・シリンダ本体、１０・・・スクリュウ本体、１
１・・・スクリュウヘッド、１２・・・スクリュウネッ
ク部、１２Ａ・・・波状周面、２０・・・チェックリン
グ、２０Ａ・・・波状周面、Ｄ・・・樹脂通路。Fig. 1 is a cross-sectional view showing a part of the screw of a conventional injection molding machine, Fig. 2 is a cross-sectional view of the main part of the screw of the injection molding machine according to the present invention, and Fig. 3 is a main part during injection of the above embodiment. FIG. 1... Cylinder body, 10... Screw body, 1
DESCRIPTION OF SYMBOLS 1... Screw head, 12... Screw neck part, 12A... Wavy circumferential surface, 20... Check ring, 20A... Wavy circumferential surface, D... Resin passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] チェックリングを具える射出成形機のスクリュウにおい
て、該チェックリングの内周面とこれが対向するスクリ
ュウネック部の外周面とが同一ピッチの波状周面に形成
されると共に射出時には両波状周面の山部が対接するこ
とを特徴とする射出成形機のスクリュウ。In a screw for an injection molding machine equipped with a check ring, the inner circumferential surface of the check ring and the outer circumferential surface of the screw neck portion facing each other are formed into wavy circumferential surfaces with the same pitch, and during injection, the ridges of both wavy circumferential surfaces are formed. A screw for an injection molding machine characterized by two parts facing each other.
JP1983066723U 1983-05-02 1983-05-02 Injection molding machine screw Pending JPS59171917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983066723U JPS59171917U (en) 1983-05-02 1983-05-02 Injection molding machine screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983066723U JPS59171917U (en) 1983-05-02 1983-05-02 Injection molding machine screw

Publications (1)

Publication Number Publication Date
JPS59171917U true JPS59171917U (en) 1984-11-16

Family

ID=30196928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983066723U Pending JPS59171917U (en) 1983-05-02 1983-05-02 Injection molding machine screw

Country Status (1)

Country Link
JP (1) JPS59171917U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61100427A (en) * 1984-10-22 1986-05-19 Jiyuken Kogyo:Kk Apparatus for preventing back-flow at screw head section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61100427A (en) * 1984-10-22 1986-05-19 Jiyuken Kogyo:Kk Apparatus for preventing back-flow at screw head section

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