JPS63132179U - - Google Patents

Info

Publication number

JPS63132179U

JPS63132179U JP2411187U JP2411187U JPS63132179U JP S63132179 U JPS63132179 U JP S63132179U JP 2411187 U JP2411187 U JP 2411187U JP 2411187 U JP2411187 U JP 2411187U JP S63132179 U JPS63132179 U JP S63132179U

Authority

JP

Japan

Prior art keywords

insertion part

hole

cylindrical insertion

cap

reinforcing member

Prior art date

1987-02-23

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

• 230000037431 insertion Effects 0.000 claims description 5
• 238000003780 insertion Methods 0.000 claims description 5
• 239000002184 metal Substances 0.000 claims description 3
• 230000003014 reinforcing effect Effects 0.000 claims description 3
• 230000002093 peripheral effect Effects 0.000 claims 1
• 238000009423 ventilation Methods 0.000 claims 1