JPH0241782U - - Google Patents

Info

Publication number
JPH0241782U
JPH0241782U JP12037188U JP12037188U JPH0241782U JP H0241782 U JPH0241782 U JP H0241782U JP 12037188 U JP12037188 U JP 12037188U JP 12037188 U JP12037188 U JP 12037188U JP H0241782 U JPH0241782 U JP H0241782U
Authority
JP
Japan
Prior art keywords
corrosion
holes
utility
layer
scope
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
JP12037188U
Other languages
Japanese (ja)
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 JP12037188U priority Critical patent/JPH0241782U/ja
Publication of JPH0241782U publication Critical patent/JPH0241782U/ja
Pending legal-status Critical Current

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  • Laminated Bodies (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図はこの考案の実施例の拡大断面
図、第３図は試験装置の説明図である。 FIGS. 1 and 2 are enlarged sectional views of an embodiment of this invention, and FIG. 3 is an explanatory view of a test apparatus.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 実質的に開口径０．５μｍ〜３μｍの微小貫通
孔を無数に有する層から構成されたことを特徴と
する埋設管用防蝕シート。 A corrosion-resistant sheet for buried pipes, characterized in that it is composed of a layer having countless minute through-holes with substantially opening diameters of 0.5 μm to 3 μm.
JP12037188U 1988-09-13 1988-09-13 Pending JPH0241782U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12037188U JPH0241782U (en) 1988-09-13 1988-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12037188U JPH0241782U (en) 1988-09-13 1988-09-13

Publications (1)

Publication Number Publication Date
JPH0241782U true JPH0241782U (en) 1990-03-22

Family

ID=31366419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12037188U Pending JPH0241782U (en) 1988-09-13 1988-09-13

Country Status (1)

Country Link
JP (1) JPH0241782U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62220699A (en) * 1986-03-20 1987-09-28 三井東圧化学株式会社 Water impervious film for propelling pipe embedding construction method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62220699A (en) * 1986-03-20 1987-09-28 三井東圧化学株式会社 Water impervious film for propelling pipe embedding construction method

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