JPH0310835Y2 - - Google Patents

Info

Publication number

JPH0310835Y2

JPH0310835Y2 JP11164485U JP11164485U JPH0310835Y2 JP H0310835 Y2 JPH0310835 Y2 JP H0310835Y2 JP 11164485 U JP11164485 U JP 11164485U JP 11164485 U JP11164485 U JP 11164485U JP H0310835 Y2 JPH0310835 Y2 JP H0310835Y2

Authority

JP

Japan

Prior art keywords

cap

sealing material

water

core material

gap

Prior art date

1985-07-19

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

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• 239000003566 sealing material Substances 0.000 claims description 39
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
• 239000011162 core material Substances 0.000 claims description 23
• 238000010521 absorption reaction Methods 0.000 claims description 6
• 239000002184 metal Substances 0.000 claims description 5
• 239000011247 coating layer Substances 0.000 claims description 4
• 238000010413 gardening Methods 0.000 claims description 3
• 229920003002 synthetic resin Polymers 0.000 claims description 3
• 239000000057 synthetic resin Substances 0.000 claims description 3
• 239000000853 adhesive Substances 0.000 description 9
• 230000001070 adhesive effect Effects 0.000 description 9
• 230000001771 impaired effect Effects 0.000 description 6
• 230000007797 corrosion Effects 0.000 description 5
• 238000005260 corrosion Methods 0.000 description 5
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
• 229920005989 resin Polymers 0.000 description 5
• 239000011347 resin Substances 0.000 description 5
• 230000004927 fusion Effects 0.000 description 4
• 230000000717 retained effect Effects 0.000 description 3
• 229920006395 saturated elastomer Polymers 0.000 description 3
• 239000004372 Polyvinyl alcohol Substances 0.000 description 2
• NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 229920001971 elastomer Polymers 0.000 description 2
• 229920002451 polyvinyl alcohol Polymers 0.000 description 2
• 229920002943 EPDM rubber Polymers 0.000 description 1
• XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
• 239000011358 absorbing material Substances 0.000 description 1
• 229920006037 cross link polymer Polymers 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• NPERTKSDHFSDLC-UHFFFAOYSA-N ethenol;prop-2-enoic acid Chemical compound OC=C.OC(=O)C=C NPERTKSDHFSDLC-UHFFFAOYSA-N 0.000 description 1
• 238000001746 injection moulding Methods 0.000 description 1
• 239000010410 layer Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 229920000058 polyacrylate Polymers 0.000 description 1
• 229920002239 polyacrylonitrile Polymers 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 229920000915 polyvinyl chloride Polymers 0.000 description 1
• 239000004800 polyvinyl chloride Substances 0.000 description 1
• 239000002689 soil Substances 0.000 description 1