JPS6431189U - - Google Patents

Info

Publication number

JPS6431189U

JPS6431189U JP12606687U JP12606687U JPS6431189U JP S6431189 U JPS6431189 U JP S6431189U JP 12606687 U JP12606687 U JP 12606687U JP 12606687 U JP12606687 U JP 12606687U JP S6431189 U JPS6431189 U JP S6431189U

Authority

JP

Japan

Prior art keywords

pipe

concrete layer

outer periphery

utility

resin material

Prior art date

1987-08-18

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000005260 corrosion Methods 0.000 claims 1
• 230000007797 corrosion Effects 0.000 claims 1
• 239000000463 material Substances 0.000 claims 1
• 238000000034 method Methods 0.000 claims 1
• 239000011347 resin Substances 0.000 claims 1
• 229920005989 resin Polymers 0.000 claims 1
• 230000005540 biological transmission Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1