JPH01137217U - - Google Patents

Info

Publication number
JPH01137217U
JPH01137217U JP1988030769U JP3076988U JPH01137217U JP H01137217 U JPH01137217 U JP H01137217U JP 1988030769 U JP1988030769 U JP 1988030769U JP 3076988 U JP3076988 U JP 3076988U JP H01137217 U JPH01137217 U JP H01137217U
Authority
JP
Japan
Prior art keywords
wall
twin
head
barrel
cylinder barrel
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
JP1988030769U
Other languages
English (en)
Other versions
JPH0512025Y2 (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 JP1988030769U priority Critical patent/JPH0512025Y2/ja
Publication of JPH01137217U publication Critical patent/JPH01137217U/ja
Application granted granted Critical
Publication of JPH0512025Y2 publication Critical patent/JPH0512025Y2/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
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws

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２軸押出機の先端部を示す一部
切欠断面図、第２図ａ〜ｃはバレルヘツドの内壁
の形状変化を説明する断面図で、第２図ａは第１
図のＡ―Ａ線断面図、第２図ｂは第１図のＢ―Ｂ
線断面図、第２図ｃは第１図のＣ―Ｃ線断面図、
第３図は従来の２軸押出機の先端部を示す一部切
欠断面図、第４図は第３図の―線にて切断し
矢印方向にみた断面図である。 符号の説明、１……シリンダーバレル、２，２
……２軸スクリユー、３……内壁、４，４……楔
状突壁、５，５……撹拌用スクリユーヘツド、６
……バレルヘツド、６１……内壁、６２，６２…
…楔状突壁、７……ブレーカープレート、９……
アダプター。

Claims (1)

    【実用新案登録請求の範囲】
  1. 互いにかみ合う２軸スクリユーが内装され、該
    ２軸スクリユーを囲うように２軸スクリユーのか
    み合う部分に向けて楔状突壁が形成されたシリン
    ダーバレル内壁を有してなる２軸押出機において
    、上記２軸スクリユーの各先端に、成形材料の流
    動方向を分散させるための撹拌用スクリユーヘツ
    ドが連設されると共に、前記シリンダーバレルの
    前部に該撹拌用スクリユーヘツドを囲うバレルヘ
    ツドが連設され、該バレルヘツドは、シリンダー
    バレル側ではシリンダーバレルの内壁と同じ楔状
    突壁が形成された内壁を有し、且つ押出し前方に
    向けて該楔状突壁が略平坦な壁面へと徐々に変化
    し、バレルヘツドの出口部では長円形の内壁とな
    されていることを特徴とする２軸押出機。
JP1988030769U 1988-03-08 1988-03-08 Expired - Lifetime JPH0512025Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988030769U JPH0512025Y2 (ja) 1988-03-08 1988-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988030769U JPH0512025Y2 (ja) 1988-03-08 1988-03-08

Publications (2)

Publication Number Publication Date
JPH01137217U true JPH01137217U (ja) 1989-09-20
JPH0512025Y2 JPH0512025Y2 (ja) 1993-03-26

Family

ID=31256126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988030769U Expired - Lifetime JPH0512025Y2 (ja) 1988-03-08 1988-03-08

Country Status (1)

Country Link
JP (1) JPH0512025Y2 (ja)

Also Published As

Publication number Publication date
JPH0512025Y2 (ja) 1993-03-26

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