JPH0222817U - - Google Patents

Info

Publication number
JPH0222817U
JPH0222817U JP1988100109U JP10010988U JPH0222817U JP H0222817 U JPH0222817 U JP H0222817U JP 1988100109 U JP1988100109 U JP 1988100109U JP 10010988 U JP10010988 U JP 10010988U JP H0222817 U JPH0222817 U JP H0222817U
Authority
JP
Japan
Prior art keywords
ring
shaped
extruder
pressure
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
JP1988100109U
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 JP1988100109U priority Critical patent/JPH0222817U/ja
Publication of JPH0222817U publication Critical patent/JPH0222817U/ja
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92019Pressure

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図は本考案の実施例を示す圧力調整機構の
要部断面図、第2図及び第3図は圧力調整のため
のリング調整要領を示す作動断面図、第4図は従
来の圧力調整機構付き押出機の断面図、第5図は
従来の圧力調整機構の詳細断面図である。 図の主要部分の説明、10,10a…シリンダ
、30…スクリユ、41,42…リング状突起、
50…リング、51…バルブインサート。

Claims (1)

    【実用新案登録請求の範囲】
  1. スクリユ側に適当な間隔をおいて設けられた2
    つの外径の異なるリング状突起と、シリンダ側の
    前記各リング状突起に対応して形成されるリング
    状溝とからなり、スクリユとシリンダ間の長手方
    向及び半径方向の隙間をチヨークさせて圧力調整
    をはかる2段のリングバルブをもつ押出機の圧力
    調整装置において、前記2つのリング状溝が1つ
    のリング状溝の内面を外部からの調整手段により
    長手方向に摺動可能にした1つのリング部材によ
    り形成されることを特徴とする押出機の圧力調整
    装置。
JP1988100109U 1988-07-28 1988-07-28 Pending JPH0222817U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988100109U JPH0222817U (ja) 1988-07-28 1988-07-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988100109U JPH0222817U (ja) 1988-07-28 1988-07-28

Publications (1)

Publication Number Publication Date
JPH0222817U true JPH0222817U (ja) 1990-02-15

Family

ID=31327883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988100109U Pending JPH0222817U (ja) 1988-07-28 1988-07-28

Country Status (1)

Country Link
JP (1) JPH0222817U (ja)

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