JPH0478454U - - Google Patents

Info

Publication number
JPH0478454U
JPH0478454U JP12173590U JP12173590U JPH0478454U JP H0478454 U JPH0478454 U JP H0478454U JP 12173590 U JP12173590 U JP 12173590U JP 12173590 U JP12173590 U JP 12173590U JP H0478454 U JPH0478454 U JP H0478454U
Authority
JP
Japan
Prior art keywords
cylinder
space
evacuated
created
sealed
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
JP12173590U
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 JP12173590U priority Critical patent/JPH0478454U/ja
Publication of JPH0478454U publication Critical patent/JPH0478454U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Thermal Insulation (AREA)
  • Ventilation (AREA)
  • Duct Arrangements (AREA)

Description

【図面の簡単な説明】
第1図は全体図、第2図イ,ロ,ともに使用状
の図面、第2図、イ図。 1は暖房器、2は支持金具、3は考案せる排気筒
。ロ図.1は吸気フアン、2は吸取式便槽、3は
考案せる排気筒。

Claims (1)

    【実用新案登録請求の範囲】
  1. 耐熱に強い材質の薄板を中空な筒を形成して内
    筒として内筒の両端は開放とする。この筒に外筒
    を被覆して内・外筒の間に適宜な間隙を取り必要
    に応じて横穴を設け空間を作り、この空間の両端
    は密閉する。この空間を真空状にして排気筒とす
    る。
JP12173590U 1990-11-20 1990-11-20 Pending JPH0478454U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12173590U JPH0478454U (ja) 1990-11-20 1990-11-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12173590U JPH0478454U (ja) 1990-11-20 1990-11-20

Publications (1)

Publication Number Publication Date
JPH0478454U true JPH0478454U (ja) 1992-07-08

Family

ID=31869576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12173590U Pending JPH0478454U (ja) 1990-11-20 1990-11-20

Country Status (1)

Country Link
JP (1) JPH0478454U (ja)

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