JPS63143642U - - Google Patents

Info

Publication number

JPS63143642U

JPS63143642U JP3534287U JP3534287U JPS63143642U JP S63143642 U JPS63143642 U JP S63143642U JP 3534287 U JP3534287 U JP 3534287U JP 3534287 U JP3534287 U JP 3534287U JP S63143642 U JPS63143642 U JP S63143642U

Authority

JP

Japan

Prior art keywords

pipe

ring

cylindrical body

outer diameter

inner circumference

Prior art date

1987-03-10

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

• 238000003780 insertion Methods 0.000 claims description 2
• 230000037431 insertion Effects 0.000 claims description 2
• 239000002184 metal Substances 0.000 claims 2
• 238000009415 formwork Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1

Cited By (2)