JPH0178795U - - Google Patents

Info

Publication number
JPH0178795U
JPH0178795U JP1987173837U JP17383787U JPH0178795U JP H0178795 U JPH0178795 U JP H0178795U JP 1987173837 U JP1987173837 U JP 1987173837U JP 17383787 U JP17383787 U JP 17383787U JP H0178795 U JPH0178795 U JP H0178795U
Authority
JP
Japan
Prior art keywords
exhaust port
double
vacuum
cylinder
double 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
JP1987173837U
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 JP1987173837U priority Critical patent/JPH0178795U/ja
Publication of JPH0178795U publication Critical patent/JPH0178795U/ja
Pending legal-status Critical Current

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  • Thermal Insulation (AREA)

Description

【図面の簡単な説明】
第1図は円筒型防熱真空装置の縦断面図、第2
図は排気口のある部分の横断面図、第3図は排気
口の拡大縦断面図である。 1……既製パイプ、2……ソケツト、3……内
部円筒、4……外部円筒、5……中空円板、6…
…中空円板、7……排気口、8……円筒空間、9
……空気空隙、10……特製円環、11……排気
口外部金属、12……排気口内部密着銅金属。

Claims (1)

    【実用新案登録請求の範囲】
  1. 鉄、ステンレス、又は銅等の金属板の二重円筒
    (3、及び4)の各両端を同じ金属の中空ドウナ
    ツ型円板5,6を熔接密封し、外部円筒4の一部
    に排気口7を熔接設置して、これより二重円筒内
    の空間8の空気を真空ポンプで排気した後、この
    排気口を圧着切断して密封して真空を保ち、円筒
    の中空内に液体輸送用の既製のパイプ1を入れら
    れるようにした中空円筒型真空防熱装置。
JP1987173837U 1987-11-16 1987-11-16 Pending JPH0178795U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987173837U JPH0178795U (ja) 1987-11-16 1987-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987173837U JPH0178795U (ja) 1987-11-16 1987-11-16

Publications (1)

Publication Number Publication Date
JPH0178795U true JPH0178795U (ja) 1989-05-26

Family

ID=31465726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987173837U Pending JPH0178795U (ja) 1987-11-16 1987-11-16

Country Status (1)

Country Link
JP (1) JPH0178795U (ja)

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