JPH0210020U - - Google Patents

Info

Publication number
JPH0210020U
JPH0210020U JP8356688U JP8356688U JPH0210020U JP H0210020 U JPH0210020 U JP H0210020U JP 8356688 U JP8356688 U JP 8356688U JP 8356688 U JP8356688 U JP 8356688U JP H0210020 U JPH0210020 U JP H0210020U
Authority
JP
Japan
Prior art keywords
screw
pressure control
back pressure
hydraulic cylinder
heating cylinder
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
JP8356688U
Other languages
English (en)
Other versions
JPH0440900Y2 (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 JP8356688U priority Critical patent/JPH0440900Y2/ja
Publication of JPH0210020U publication Critical patent/JPH0210020U/ja
Application granted granted Critical
Publication of JPH0440900Y2 publication Critical patent/JPH0440900Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例として示した背圧制
御装置の油圧回路図、第２図は従来例として示し
た背圧制御装置の油圧回路図である。 ２１…加熱筒、２２…スクリユ、２５…油圧シ
リンダ、２５ａ…ロツド、２５ｂ…ピストン、３
７…合流切換弁、４４…背圧制御弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 加熱筒内に設けられ、回転駆動させられた際に
    該加熱筒内に供給された樹脂を該加熱筒内の先端
    側に押し出しながら基端側に移動するスクリユと
    、このスクリユの基端部にロツド側が連結され、
    該スクリユをその長手方向に移動させる油圧シリ
    ンダと、この油圧シリンダのピストンのヘツド側
    の圧力を制御して、前記スクリユが回転駆動させ
    られて基端側へ移動した際に該スクリユに移動抵
    抗を与える背圧制御弁と、前記油圧シリンダのピ
    ストンのロツド側とヘツド側とを合流可能に設け
    られた合流切換弁とを備えてなることを特徴とす
    る射出成形機の背圧制御装置。
JP8356688U 1988-06-24 1988-06-24 Expired JPH0440900Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8356688U JPH0440900Y2 (ja) 1988-06-24 1988-06-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8356688U JPH0440900Y2 (ja) 1988-06-24 1988-06-24

Publications (2)

Publication Number Publication Date
JPH0210020U true JPH0210020U (ja) 1990-01-23
JPH0440900Y2 JPH0440900Y2 (ja) 1992-09-25

Family

ID=31308280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8356688U Expired JPH0440900Y2 (ja) 1988-06-24 1988-06-24

Country Status (1)

Country Link
JP (1) JPH0440900Y2 (ja)

Also Published As

Publication number Publication date
JPH0440900Y2 (ja) 1992-09-25

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