JPH02118621U - - Google Patents

Info

Publication number
JPH02118621U
JPH02118621U JP2805489U JP2805489U JPH02118621U JP H02118621 U JPH02118621 U JP H02118621U JP 2805489 U JP2805489 U JP 2805489U JP 2805489 U JP2805489 U JP 2805489U JP H02118621 U JPH02118621 U JP H02118621U
Authority
JP
Japan
Prior art keywords
pipe expansion
amount
magnescale
piston
pressure intensifier
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
JP2805489U
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 JP2805489U priority Critical patent/JPH02118621U/ja
Publication of JPH02118621U publication Critical patent/JPH02118621U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の構成概要図、第２
図は本考案の一実施例の作用概要図、第３図は従
来の構成概要図、第４図は拡管曲線と細管の状態
の関係図である。 図面中、１は計算機、２は圧力検出器、３は圧
力発生器、４は増圧器、５は液圧拡管工具、６は
液袋、７はスリーブ、８は細管、９は増圧器のピ
ストン、１０はマグネスケール、１１はマグネス
ケールの可動部、１２はデテクタである。

Claims (1)

    【実用新案登録請求の範囲】
  1. 増圧器のピストンに取り付けたマグネスケール
    の信号により、水の吐出量を計算し、その値をも
    とに拡管を停止することにより、拡管量を制御す
    るようにしたことを特徴とする拡管制御装置。
JP2805489U 1989-03-14 1989-03-14 Pending JPH02118621U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2805489U JPH02118621U (ja) 1989-03-14 1989-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2805489U JPH02118621U (ja) 1989-03-14 1989-03-14

Publications (1)

Publication Number Publication Date
JPH02118621U true JPH02118621U (ja) 1990-09-25

Family

ID=31251090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2805489U Pending JPH02118621U (ja) 1989-03-14 1989-03-14

Country Status (1)

Country Link
JP (1) JPH02118621U (ja)

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