JPS641297U - - Google Patents

Info

Publication number

JPS641297U

JPS641297U JP9609487U JP9609487U JPS641297U JP S641297 U JPS641297 U JP S641297U JP 9609487 U JP9609487 U JP 9609487U JP 9609487 U JP9609487 U JP 9609487U JP S641297 U JPS641297 U JP S641297U

Authority

JP

Japan

Prior art keywords

outer shell

ring

engaged

shell

intermittently provided

Prior art date

1987-06-23

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

• 230000008878 coupling Effects 0.000 claims description 3
• 238000010168 coupling process Methods 0.000 claims description 3
• 238000005859 coupling reaction Methods 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 4
• 230000007547 defect Effects 0.000 description 1