JPS5879336U - extrusion screw - Google Patents

extrusion screw

Info

Publication number
JPS5879336U
JPS5879336U JP1981174894U JP17489481U JPS5879336U JP S5879336 U JPS5879336 U JP S5879336U JP 1981174894 U JP1981174894 U JP 1981174894U JP 17489481 U JP17489481 U JP 17489481U JP S5879336 U JPS5879336 U JP S5879336U
Authority
JP
Japan
Prior art keywords
extrusion screw
screw
abstract
flights
view
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.)
Granted
Application number
JP1981174894U
Other languages
Japanese (ja)
Other versions
JPH0129066Y2 (en
Inventor
三郎 松林
加賀　良己
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1981174894U priority Critical patent/JPS5879336U/en
Publication of JPS5879336U publication Critical patent/JPS5879336U/en
Application granted granted Critical
Publication of JPH0129066Y2 publication Critical patent/JPH0129066Y2/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
    • 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
    • B29C48/25—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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/595—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread having non-uniform width
    • 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
    • B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion 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図は従来の単軸押出機におけるスクリュの溶融部を
示す側断面図、第２図は第１図のＡ−Ａ断面図、第３図
は第１図のスクリュの展開図、第４図は本考案の実施例
を示す押出スクリュにおける溶融部の側断面図、第５図
は第４図の口〜Ｂ断面図、第６図は第４図のスクリュの
展開図、第７図は他の実施例を示すスクリュの展開図、
第８図及び第９図は更に他の実施例を示す第５図に相当
する押出スクリュの断面図である。 図の主要部分の説明、１・・・・・・二重フラストスク
リュ、２・・・・・・主フライト、３・・・・・・副フ
ライト、４・・・・・・切欠き部。Figure 1 is a side sectional view showing the melting part of the screw in a conventional single-screw extruder, Figure 2 is a sectional view taken along line A-A in Figure 1, Figure 3 is a developed view of the screw in Figure 1, and Figure 4 The figure is a sectional side view of the melting part of an extrusion screw showing an embodiment of the present invention, FIG. 5 is a sectional view from the mouth to B in FIG. 4, FIG. 6 is a developed view of the screw in FIG. 4, and FIG. A developed view of a screw showing another embodiment,
FIGS. 8 and 9 are sectional views of an extrusion screw corresponding to FIG. 5, showing still another embodiment. Explanation of the main parts of the diagram: 1...Double frust screw, 2...Main flight, 3...Sub-flight, 4...Notch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 二重フライトを有するスクリュにおいて、幅フライトに
所定個数の切欠き部を形成したことを特徴とする押出ス
クリュ。An extrusion screw having double flights, characterized in that a predetermined number of notches are formed in the width flights.
JP1981174894U 1981-11-25 1981-11-25 extrusion screw Granted JPS5879336U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981174894U JPS5879336U (en) 1981-11-25 1981-11-25 extrusion screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981174894U JPS5879336U (en) 1981-11-25 1981-11-25 extrusion screw

Publications (2)

Publication Number Publication Date
JPS5879336U true JPS5879336U (en) 1983-05-28
JPH0129066Y2 JPH0129066Y2 (en) 1989-09-05

Family

ID=29967026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981174894U Granted JPS5879336U (en) 1981-11-25 1981-11-25 extrusion screw

Country Status (1)

Country Link
JP (1) JPS5879336U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015013414A (en) * 2013-07-04 2015-01-22 住友ゴム工業株式会社 Production apparatus for rubber member

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50143860A (en) * 1974-05-10 1975-11-19
JPS54154374U (en) * 1978-04-20 1979-10-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50143860A (en) * 1974-05-10 1975-11-19
JPS54154374U (en) * 1978-04-20 1979-10-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015013414A (en) * 2013-07-04 2015-01-22 住友ゴム工業株式会社 Production apparatus for rubber member

Also Published As

Publication number Publication date
JPH0129066Y2 (en) 1989-09-05

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