JP2536657Y2 - ロードヒーティング用パイプ - Google Patents

ロードヒーティング用パイプ

Info

Publication number
JP2536657Y2
JP2536657Y2 JP1990401362U JP40136290U JP2536657Y2 JP 2536657 Y2 JP2536657 Y2 JP 2536657Y2 JP 1990401362 U JP1990401362 U JP 1990401362U JP 40136290 U JP40136290 U JP 40136290U JP 2536657 Y2 JP2536657 Y2 JP 2536657Y2
Authority
JP
Japan
Prior art keywords
pipe
asphalt
resin layer
pipe body
road heating
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
JP1990401362U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0490795U (US07923587-20110412-C00022.png
Inventor
淨 高橋
武夫 福田
Original Assignee
三菱化学産資株式会社
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 三菱化学産資株式会社 filed Critical 三菱化学産資株式会社
Priority to JP1990401362U priority Critical patent/JP2536657Y2/ja
Publication of JPH0490795U publication Critical patent/JPH0490795U/ja
Application granted granted Critical
Publication of JP2536657Y2 publication Critical patent/JP2536657Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Road Paving Structures (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
JP1990401362U 1990-12-21 1990-12-21 ロードヒーティング用パイプ Expired - Lifetime JP2536657Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990401362U JP2536657Y2 (ja) 1990-12-21 1990-12-21 ロードヒーティング用パイプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990401362U JP2536657Y2 (ja) 1990-12-21 1990-12-21 ロードヒーティング用パイプ

Publications (2)

Publication Number Publication Date
JPH0490795U JPH0490795U (US07923587-20110412-C00022.png) 1992-08-07
JP2536657Y2 true JP2536657Y2 (ja) 1997-05-21

Family

ID=31879465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990401362U Expired - Lifetime JP2536657Y2 (ja) 1990-12-21 1990-12-21 ロードヒーティング用パイプ

Country Status (1)

Country Link
JP (1) JP2536657Y2 (US07923587-20110412-C00022.png)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7507351A (nl) * 1975-06-19 1976-12-21 Wavin Bv Buis met uitwendige schuimstofbekleding.
JPS541928A (en) * 1977-06-06 1979-01-09 Hitachi Chemical Co Ltd Snow melter
JPH02113092U (US07923587-20110412-C00022.png) * 1989-02-27 1990-09-10

Also Published As

Publication number Publication date
JPH0490795U (US07923587-20110412-C00022.png) 1992-08-07

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Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 19961112

EXPY Cancellation because of completion of term