JPH0417824U - - Google Patents

Info

Publication number
JPH0417824U
JPH0417824U JP1990060240U JP6024090U JPH0417824U JP H0417824 U JPH0417824 U JP H0417824U JP 1990060240 U JP1990060240 U JP 1990060240U JP 6024090 U JP6024090 U JP 6024090U JP H0417824 U JPH0417824 U JP H0417824U
Authority
JP
Japan
Prior art keywords
kneading
raw material
material transfer
rotating screw
concave portions
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
JP1990060240U
Other languages
English (en)
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 filed Critical
Priority to JP1990060240U priority Critical patent/JPH0417824U/ja
Publication of JPH0417824U publication Critical patent/JPH0417824U/ja
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
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示し、第１図は混
練用回転スクリユを備えた押出し機の断面図、第
２図は混練用回転スクリユの混練部の拡大側面図
、第３図は第２図のＡ−Ａ線矢視断面図である。 １……回転スクリユ、４……混練部、６……混
練凹部、８……フライトランド、α……原料移送
始端側、β……原料移送終端側。

Claims (1)

  1. 【実用新案登録請求の範囲】 回転スクリユの最大外径寸法に形成された混練
    部の外周面螺旋方向に沿つて多数の混練凹部を形
    成し、 これら各混練凹部を、上記混練部の原料移送始
    端側から原料移送終端側にかけて同一深さに設定
    すると共に、 上記混練凹部間のフライトランド幅を原料移送
    始端側から原料移送終端側にかけて順次幅広に形
    成して、 上記混練凹部の原料流通断面積を原料移送方向
    に向けて順次小さくなるように構成した 混練用回転スクリユ。
JP1990060240U 1990-06-06 1990-06-06 Pending JPH0417824U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990060240U JPH0417824U (ja) 1990-06-06 1990-06-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990060240U JPH0417824U (ja) 1990-06-06 1990-06-06

Publications (1)

Publication Number Publication Date
JPH0417824U true JPH0417824U (ja) 1992-02-14

Family

ID=31587433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990060240U Pending JPH0417824U (ja) 1990-06-06 1990-06-06

Country Status (1)

Country Link
JP (1) JPH0417824U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285323A (ja) * 1988-05-12 1989-11-16 Ishinaka Tekkosho:Kk 混練用回転スクリュの混練構造

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285323A (ja) * 1988-05-12 1989-11-16 Ishinaka Tekkosho:Kk 混練用回転スクリュの混練構造

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