JPH0183522U - - Google Patents

Info

Publication number
JPH0183522U
JPH0183522U JP1987177843U JP17784387U JPH0183522U JP H0183522 U JPH0183522 U JP H0183522U JP 1987177843 U JP1987177843 U JP 1987177843U JP 17784387 U JP17784387 U JP 17784387U JP H0183522 U JPH0183522 U JP H0183522U
Authority
JP
Japan
Prior art keywords
extruder
flights
circumferential surface
view
screw
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
JP1987177843U
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 JP1987177843U priority Critical patent/JPH0183522U/ja
Publication of JPH0183522U publication Critical patent/JPH0183522U/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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/39—Plasticisers, homogenisers or feeders comprising two or more stages a first extruder feeding the melt into an intermediate location of a second extruder
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
第１図は本考案押出機実施例要部の断面図、第
２図は同延長フライト変形実施例の側面図、第３
図はスクリユ軸従来例の各正面図、第４図は同ス
クリユ押出機従来例の縦断正面図、第５図は同ホ
ツトフイード型スクリユ押出機に用いる従来スク
リユ軸１例の正面図、第６，７図は従来のヘツド
部改造例の各正面図、第８図は同硬質塩ビ樹脂の
混練、脱気押出、カレンダ加工ラインの模式図で
ある。 １……スクリユ軸、２……フライト（ねじ山）
、４……ヘツド部、７……押出機バレル、８……
ダイス、２ａ，２ｂ……延長フライト、１４……
コーン状ヘツド部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 押出機バレル内に可回動に挿入されかつその周
    面にフライトを有するスクリユ軸の、ダイス内に
    突出するコーン状ヘツドにおける該コーン状周面
    にまで、前記フライトを延長形成することを特徴
    とするスクリユ押出機。
JP1987177843U 1987-11-21 1987-11-21 Pending JPH0183522U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987177843U JPH0183522U (ja) 1987-11-21 1987-11-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987177843U JPH0183522U (ja) 1987-11-21 1987-11-21

Publications (1)

Publication Number Publication Date
JPH0183522U true JPH0183522U (ja) 1989-06-02

Family

ID=31469493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987177843U Pending JPH0183522U (ja) 1987-11-21 1987-11-21

Country Status (1)

Country Link
JP (1) JPH0183522U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS424574Y1 (ja) * 1964-10-15 1967-03-11
JPS597829B2 (ja) * 1975-08-29 1984-02-21 信越化学工業株式会社 センイセイヒンヨウシヨリザイ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS424574Y1 (ja) * 1964-10-15 1967-03-11
JPS597829B2 (ja) * 1975-08-29 1984-02-21 信越化学工業株式会社 センイセイヒンヨウシヨリザイ

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