JPS63106627U - - Google Patents

Info

Publication number
JPS63106627U
JPS63106627U JP1986198949U JP19894986U JPS63106627U JP S63106627 U JPS63106627 U JP S63106627U JP 1986198949 U JP1986198949 U JP 1986198949U JP 19894986 U JP19894986 U JP 19894986U JP S63106627 U JPS63106627 U JP S63106627U
Authority
JP
Japan
Prior art keywords
external cylinder
cylindrical screw
vent hole
screw
extrusion molding
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
JP1986198949U
Other languages
English (en)
Other versions
JPH0517225Y2 (ja
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 JP1986198949U priority Critical patent/JPH0517225Y2/ja
Publication of JPS63106627U publication Critical patent/JPS63106627U/ja
Application granted granted Critical
Publication of JPH0517225Y2 publication Critical patent/JPH0517225Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/445—Coaxially arranged screws, i.e. one within the other
    • 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
    • B29C48/51—Screws with internal flow passages, e.g. for molten material
    • B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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】
第１図は本考案混練押出成形装置の説明用断面
図、第２図及び第３図は夫々本考案における筒状
スクリユーの部分破断側面図及び断面図、第４図
は従来の混練押出装置の説明用断面図である。 １…シリンダー、２…混練物質供給開口、３…
ホツパー、４…押出開口機構、５…押出成形機構
、６…水冷リング、７…バンドヒーター、８…ベ
ント孔、９…筒状シリンダー、１０…管体、１１
Ａ，１１Ｂ，１５…螺旋突条、１２Ａ，１２Ｂ…
螺旋凹溝、１３Ａ，１３Ｂ…貫通開口、１４…軸
体、１６…内部スクリユー、１７…ギヤボツクス
、１８…メタリング部、１９…押出通路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外部シリンダーと、この外部シリンダーに形成
    したベント孔と、前記外部シリンダー内に同軸状
    に回転自在に嵌合した、螺旋突条をその外周面上
    に有する筒状スクリユーと、前記筒状スクリユー
    内に同軸状に回転自在に嵌合した、前記筒状スク
    リユーの螺旋突条とは逆向きの螺旋突条をその外
    周面上に有する内部スクリユーと、前記筒状スク
    リユー及び内部スクリユーを互いに反対方向に回
    転せしめる回転駆動機構と、前記筒状スクリユー
    及び内部スクリユーの後端及び前端に夫々位置す
    るよう前記外部シリンダーに設けた、混練物質供
    給開口及び押出成形機構とより成り、前記ベント
    孔と前記押出成形機構間の長さが前記ベント孔と
    前記混練物質供給開口間の長さより十分に長く、
    前記筒状スクリユーはこれに形成される螺旋凹溝
    に沿つて順次に所定の角度づつ進んだ位置に互い
    に分離した多数の貫通開口を有することを特徴と
    する混練押出成形装置。
JP1986198949U 1986-12-27 1986-12-27 Expired - Lifetime JPH0517225Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986198949U JPH0517225Y2 (ja) 1986-12-27 1986-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986198949U JPH0517225Y2 (ja) 1986-12-27 1986-12-27

Publications (2)

Publication Number Publication Date
JPS63106627U true JPS63106627U (ja) 1988-07-09
JPH0517225Y2 JPH0517225Y2 (ja) 1993-05-10

Family

ID=31160117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986198949U Expired - Lifetime JPH0517225Y2 (ja) 1986-12-27 1986-12-27

Country Status (1)

Country Link
JP (1) JPH0517225Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100407395C (zh) * 2003-07-04 2008-07-30 乐华股份有限公司 薄板状基板的运送装置及其运送控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541373A (en) * 1977-06-02 1979-01-08 Nakatani Machinery Kneading extrusion apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541373A (en) * 1977-06-02 1979-01-08 Nakatani Machinery Kneading extrusion apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100407395C (zh) * 2003-07-04 2008-07-30 乐华股份有限公司 薄板状基板的运送装置及其运送控制方法

Also Published As

Publication number Publication date
JPH0517225Y2 (ja) 1993-05-10

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