JPS592385Y2 - 二重風管 - Google Patents

二重風管

Info

Publication number
JPS592385Y2
JPS592385Y2 JP1975044318U JP4431875U JPS592385Y2 JP S592385 Y2 JPS592385 Y2 JP S592385Y2 JP 1975044318 U JP1975044318 U JP 1975044318U JP 4431875 U JP4431875 U JP 4431875U JP S592385 Y2 JPS592385 Y2 JP S592385Y2
Authority
JP
Japan
Prior art keywords
pipe
tube
double
outer tube
wind pipe
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.)
Expired
Application number
JP1975044318U
Other languages
English (en)
Japanese (ja)
Other versions
JPS51126418U (enExample
Inventor
徳彦 添田
光彦 秋吉
Original Assignee
工業技術院長
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 by 工業技術院長 filed Critical 工業技術院長
Priority to JP1975044318U priority Critical patent/JPS592385Y2/ja
Publication of JPS51126418U publication Critical patent/JPS51126418U/ja
Application granted granted Critical
Publication of JPS592385Y2 publication Critical patent/JPS592385Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
JP1975044318U 1975-04-01 1975-04-01 二重風管 Expired JPS592385Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1975044318U JPS592385Y2 (ja) 1975-04-01 1975-04-01 二重風管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975044318U JPS592385Y2 (ja) 1975-04-01 1975-04-01 二重風管

Publications (2)

Publication Number Publication Date
JPS51126418U JPS51126418U (enExample) 1976-10-13
JPS592385Y2 true JPS592385Y2 (ja) 1984-01-23

Family

ID=28177003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1975044318U Expired JPS592385Y2 (ja) 1975-04-01 1975-04-01 二重風管

Country Status (1)

Country Link
JP (1) JPS592385Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200257926Y1 (ko) * 2001-01-31 2001-12-24 이덕선 보일러의 2중 파이프

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247133Y2 (enExample) * 1975-03-07 1977-10-26

Also Published As

Publication number Publication date
JPS51126418U (enExample) 1976-10-13

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