JPS5912466Y2 - 劣化識別層をそなえたガス用ゴム管 - Google Patents

劣化識別層をそなえたガス用ゴム管

Info

Publication number
JPS5912466Y2
JPS5912466Y2 JP15523079U JP15523079U JPS5912466Y2 JP S5912466 Y2 JPS5912466 Y2 JP S5912466Y2 JP 15523079 U JP15523079 U JP 15523079U JP 15523079 U JP15523079 U JP 15523079U JP S5912466 Y2 JPS5912466 Y2 JP S5912466Y2
Authority
JP
Japan
Prior art keywords
rubber
ozone
gas
identification layer
layer
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
JP15523079U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5671577U (da
Inventor
了介 斎藤
勝 塩野
民亮 木村
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.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
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 Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Priority to JP15523079U priority Critical patent/JPS5912466Y2/ja
Publication of JPS5671577U publication Critical patent/JPS5671577U/ja
Application granted granted Critical
Publication of JPS5912466Y2 publication Critical patent/JPS5912466Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Pipeline Systems (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
JP15523079U 1979-11-07 1979-11-07 劣化識別層をそなえたガス用ゴム管 Expired JPS5912466Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15523079U JPS5912466Y2 (ja) 1979-11-07 1979-11-07 劣化識別層をそなえたガス用ゴム管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15523079U JPS5912466Y2 (ja) 1979-11-07 1979-11-07 劣化識別層をそなえたガス用ゴム管

Publications (2)

Publication Number Publication Date
JPS5671577U JPS5671577U (da) 1981-06-12
JPS5912466Y2 true JPS5912466Y2 (ja) 1984-04-14

Family

ID=29385675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15523079U Expired JPS5912466Y2 (ja) 1979-11-07 1979-11-07 劣化識別層をそなえたガス用ゴム管

Country Status (1)

Country Link
JP (1) JPS5912466Y2 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010281606A (ja) * 2009-06-02 2010-12-16 Osaka Gas Co Ltd 寿命評価材料及びゴム管
JP5498190B2 (ja) * 2010-02-08 2014-05-21 大阪瓦斯株式会社 ゴム管
JP5643668B2 (ja) * 2010-05-10 2014-12-17 大阪瓦斯株式会社 ゴム管用寿命表示材料およびゴム管
JP2020041627A (ja) * 2018-09-12 2020-03-19 極東ゴム株式会社 伸縮継手

Also Published As

Publication number Publication date
JPS5671577U (da) 1981-06-12

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