JPH0248316U - - Google Patents

Info

Publication number
JPH0248316U
JPH0248316U JP12852988U JP12852988U JPH0248316U JP H0248316 U JPH0248316 U JP H0248316U JP 12852988 U JP12852988 U JP 12852988U JP 12852988 U JP12852988 U JP 12852988U JP H0248316 U JPH0248316 U JP H0248316U
Authority
JP
Japan
Prior art keywords
hydraulic cylinder
hydraulic oil
check valve
injection molding
molding machine
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
JP12852988U
Other languages
English (en)
Other versions
JPH0452031Y2 (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 JP12852988U priority Critical patent/JPH0452031Y2/ja
Publication of JPH0248316U publication Critical patent/JPH0248316U/ja
Application granted granted Critical
Publication of JPH0452031Y2 publication Critical patent/JPH0452031Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • 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の概略構成を示す図
、第2図は本考案の一実施例における逆止弁の構
成を示す断面図、第3図は従来の射出成形機にお
ける型開閉機構の概略構成を示す図である。 6……油圧シリンダ、11……戻り経路、13
……絞り孔付き逆止弁(逆止弁)、17……ポペ
ツト(弁体)、17d……絞り孔。

Claims (1)

  1. 【実用新案登録請求の範囲】 互いに対向して設けられた一対の型の少なくと
    も一方を油圧シリングにより移動させて型開閉を
    行うようにした射出成形機における型開閉機構に
    おいて、 前記油圧シリンダから排出される作動油の戻り
    経路内に、前記油圧シリンダから排出される作動
    油を、その圧力が前記油圧シリンダの下限負荷圧
    力以上の場合にのみ通過させる逆止弁を設け、 該逆止弁の弁体に、該弁体によつてその流れが
    規制された作動油を絞り込んだ上で通過させる絞
    り孔を開孔させたことを特徴とする射出成形機に
    おける型開閉機構。
JP12852988U 1988-09-30 1988-09-30 Expired JPH0452031Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12852988U JPH0452031Y2 (ja) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12852988U JPH0452031Y2 (ja) 1988-09-30 1988-09-30

Publications (2)

Publication Number Publication Date
JPH0248316U true JPH0248316U (ja) 1990-04-04
JPH0452031Y2 JPH0452031Y2 (ja) 1992-12-08

Family

ID=31381955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12852988U Expired JPH0452031Y2 (ja) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0452031Y2 (ja)

Also Published As

Publication number Publication date
JPH0452031Y2 (ja) 1992-12-08

Similar Documents

Publication Publication Date Title
JPH0248316U (ja)
JPH0251737U (ja)
JPH0230549U (ja)
JPH0393661U (ja)
JPH0248800U (ja)
JPS61128017U (ja)
JPH0171239U (ja)
JPS5822501U (ja) 複合制御弁
JPH0335301U (ja)
JPS6072883U (ja) 自動扉開閉装置
JPS63170219U (ja)
JPH0440124U (ja)
JPS6156390U (ja)
JPS6456985U (ja)
JPS61186805U (ja)
JPH0330602U (ja)
JPH041751U (ja)
JPS59175309U (ja) 農用トラクタ−の油圧装置
JPH01109625U (ja)
JPH042613U (ja)
JPH0466473U (ja)
JPH0332232U (ja)
JPH0359501U (ja)
JPH01147174U (ja)
JPH0396404U (ja)