JPH02136889U - - Google Patents

Info

Publication number

JPH02136889U

JPH02136889U JP4599789U JP4599789U JPH02136889U JP H02136889 U JPH02136889 U JP H02136889U JP 4599789 U JP4599789 U JP 4599789U JP 4599789 U JP4599789 U JP 4599789U JP H02136889 U JPH02136889 U JP H02136889U

Authority

JP

Japan

Prior art keywords

pipe joint

circumferential surface

inner circumferential

female thread

pipe

Prior art date

1989-04-19

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000011247 coating layer Substances 0.000 claims description 3
• 230000007797 corrosion Effects 0.000 claims description 3
• 238000005260 corrosion Methods 0.000 claims description 3
• 229920005989 resin Polymers 0.000 claims description 3
• 239000011347 resin Substances 0.000 claims description 3
• 229920003002 synthetic resin Polymers 0.000 claims 3
• 239000000057 synthetic resin Substances 0.000 claims 3
• 239000002184 metal Substances 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1