JPH0616195Y2 - 多重管 - Google Patents

多重管

Info

Publication number
JPH0616195Y2
JPH0616195Y2 JP1987149133U JP14913387U JPH0616195Y2 JP H0616195 Y2 JPH0616195 Y2 JP H0616195Y2 JP 1987149133 U JP1987149133 U JP 1987149133U JP 14913387 U JP14913387 U JP 14913387U JP H0616195 Y2 JPH0616195 Y2 JP H0616195Y2
Authority
JP
Japan
Prior art keywords
outer tube
tube
inner tubes
cut grooves
tubes
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 - Lifetime
Application number
JP1987149133U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6453591U (enrdf_load_stackoverflow
Inventor
篤志 佐々木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koganei Corp
Original Assignee
Koganei Corp
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 Koganei Corp filed Critical Koganei Corp
Priority to JP1987149133U priority Critical patent/JPH0616195Y2/ja
Publication of JPS6453591U publication Critical patent/JPS6453591U/ja
Application granted granted Critical
Publication of JPH0616195Y2 publication Critical patent/JPH0616195Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
JP1987149133U 1987-09-28 1987-09-28 多重管 Expired - Lifetime JPH0616195Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987149133U JPH0616195Y2 (ja) 1987-09-28 1987-09-28 多重管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987149133U JPH0616195Y2 (ja) 1987-09-28 1987-09-28 多重管

Publications (2)

Publication Number Publication Date
JPS6453591U JPS6453591U (enrdf_load_stackoverflow) 1989-04-03
JPH0616195Y2 true JPH0616195Y2 (ja) 1994-04-27

Family

ID=31421085

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987149133U Expired - Lifetime JPH0616195Y2 (ja) 1987-09-28 1987-09-28 多重管

Country Status (1)

Country Link
JP (1) JPH0616195Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014957B2 (ja) * 1976-01-30 1985-04-16 三菱マテリアル株式会社 冷暖房用被覆管
JPS55161188U (enrdf_load_stackoverflow) * 1979-05-07 1980-11-19

Also Published As

Publication number Publication date
JPS6453591U (enrdf_load_stackoverflow) 1989-04-03

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