JPS6234752Y2 - - Google Patents

Info

Publication number

JPS6234752Y2

JPS6234752Y2 JP7166581U JP7166581U JPS6234752Y2 JP S6234752 Y2 JPS6234752 Y2 JP S6234752Y2 JP 7166581 U JP7166581 U JP 7166581U JP 7166581 U JP7166581 U JP 7166581U JP S6234752 Y2 JPS6234752 Y2 JP S6234752Y2

Authority

JP

Japan

Prior art keywords

heat

shrinkable

covering material

openings

present

Prior art date

1981-05-18

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

Links

• Espacenet
• Global Dossier
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• 239000000463 material Substances 0.000 claims description 24
• 239000011347 resin Substances 0.000 claims description 5
• 229920005989 resin Polymers 0.000 claims description 5
• 239000002131 composite material Substances 0.000 claims description 3
• 239000011248 coating agent Substances 0.000 description 14
• 238000000576 coating method Methods 0.000 description 14
• 238000005260 corrosion Methods 0.000 description 10
• 239000010410 layer Substances 0.000 description 7
• 230000007797 corrosion Effects 0.000 description 5
• 229910000831 Steel Inorganic materials 0.000 description 4
• 239000000853 adhesive Substances 0.000 description 4
• 230000001070 adhesive effect Effects 0.000 description 4
• 239000010959 steel Substances 0.000 description 4
• 229910001018 Cast iron Inorganic materials 0.000 description 3
• 239000012790 adhesive layer Substances 0.000 description 3
• 229920003020 cross-linked polyethylene Polymers 0.000 description 3
• 239000004703 cross-linked polyethylene Substances 0.000 description 3
• 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
• 239000007789 gas Substances 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 239000002689 soil Substances 0.000 description 2
• 239000004831 Hot glue Substances 0.000 description 1
• 239000005062 Polybutadiene Substances 0.000 description 1
• 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
• 229920005549 butyl rubber Polymers 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000036461 convulsion Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 229920001971 elastomer Polymers 0.000 description 1
• 239000004744 fabric Substances 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000013521 mastic Substances 0.000 description 1
• 150000002739 metals Chemical class 0.000 description 1
• 239000012299 nitrogen atmosphere Substances 0.000 description 1
• 229920002647 polyamide Polymers 0.000 description 1
• 229920002857 polybutadiene Polymers 0.000 description 1
• 229920000098 polyolefin Polymers 0.000 description 1
• 239000005060 rubber Substances 0.000 description 1
• 239000011387 rubberized asphalt concrete Substances 0.000 description 1
• 229910001220 stainless steel Inorganic materials 0.000 description 1
• 239000010935 stainless steel Substances 0.000 description 1
• 239000008399 tap water Substances 0.000 description 1
• 235000020679 tap water Nutrition 0.000 description 1