JPS61130690U - - Google Patents

Info

Publication number
JPS61130690U
JPS61130690U JP1244485U JP1244485U JPS61130690U JP S61130690 U JPS61130690 U JP S61130690U JP 1244485 U JP1244485 U JP 1244485U JP 1244485 U JP1244485 U JP 1244485U JP S61130690 U JPS61130690 U JP S61130690U
Authority
JP
Japan
Prior art keywords
rod
protective tube
gate jack
packing
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.)
Pending
Application number
JP1244485U
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 JP1244485U priority Critical patent/JPS61130690U/ja
Publication of JPS61130690U publication Critical patent/JPS61130690U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示すゲートジヤツ
キの縦断側面図である。 1……シリンダー、3……ピストン、4……ロ
ツド、5……蓋、11……保護筒、13……パツ
キン、14……空室。

Claims (1)

    【実用新案登録請求の範囲】
  1. シールド機カツター板のスリツトを開閉するゲ
    ートジヤツキにおいて、上記ロツドの突出側にピ
    ストンの移動量以上の長さの保護筒をシリンダー
    に一体にとりつけ、保護筒端部内周面に、パツキ
    ンを設けるとともに、保護筒内面とロツド外周と
    の間に空室を形成したことを特徴とするゲートジ
    ヤツキ。
JP1244485U 1985-01-30 1985-01-30 Pending JPS61130690U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1244485U JPS61130690U (ja) 1985-01-30 1985-01-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1244485U JPS61130690U (ja) 1985-01-30 1985-01-30

Publications (1)

Publication Number Publication Date
JPS61130690U true JPS61130690U (ja) 1986-08-15

Family

ID=30495512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1244485U Pending JPS61130690U (ja) 1985-01-30 1985-01-30

Country Status (1)

Country Link
JP (1) JPS61130690U (ja)

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