JPH03129431U - - Google Patents

Info

Publication number
JPH03129431U
JPH03129431U JP3821490U JP3821490U JPH03129431U JP H03129431 U JPH03129431 U JP H03129431U JP 3821490 U JP3821490 U JP 3821490U JP 3821490 U JP3821490 U JP 3821490U JP H03129431 U JPH03129431 U JP H03129431U
Authority
JP
Japan
Prior art keywords
flow path
leading
screw
prevention device
hydraulic motor
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
JP3821490U
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 JP3821490U priority Critical patent/JPH03129431U/ja
Publication of JPH03129431U publication Critical patent/JPH03129431U/ja
Pending 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図は本考案のスクリユ逆転防止装置の実施
例の構成図、第2図は逆流防止リングをもつ従来
のスクリユヘツドの一部破断側面図、第3図は逆
流防止リングのないスクリユヘツドの一部破断側
面図、第4図は従来のスクリユ逆転防止装置の構
成図である。 1……射出シリンダ、2……油圧モータ、3…
…射出スクリユ、4……方向切換弁、5……油圧
ポンプ、6……リリーフ弁、7,8……流量調整
弁、9……絞り弁、10,11……チエツク弁。

Claims (1)

    【実用新案登録請求の範囲】
  1. 射出成形機の射出シリンダ1に通じる流路P1
    とスクリユ回転駆動用油圧モータ2に通じる流路
    P2との間を別の流路P3で接続し、該流路P3
    に絞り弁9とチエツク弁10とを直列に配設した
    ことを特徴とするスクリユ逆転防止装置。
JP3821490U 1990-04-10 1990-04-10 Pending JPH03129431U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3821490U JPH03129431U (ja) 1990-04-10 1990-04-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3821490U JPH03129431U (ja) 1990-04-10 1990-04-10

Publications (1)

Publication Number Publication Date
JPH03129431U true JPH03129431U (ja) 1991-12-26

Family

ID=31546019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3821490U Pending JPH03129431U (ja) 1990-04-10 1990-04-10

Country Status (1)

Country Link
JP (1) JPH03129431U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974252A (ja) * 1972-11-18 1974-07-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974252A (ja) * 1972-11-18 1974-07-17

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