JPH0529906Y2 - - Google Patents

Info

Publication number

JPH0529906Y2

JPH0529906Y2 JP1987071609U JP7160987U JPH0529906Y2 JP H0529906 Y2 JPH0529906 Y2 JP H0529906Y2 JP 1987071609 U JP1987071609 U JP 1987071609U JP 7160987 U JP7160987 U JP 7160987U JP H0529906 Y2 JPH0529906 Y2 JP H0529906Y2

Authority

JP

Japan

Prior art keywords

binding

convex portion

file

concave portion

joint surface

Prior art date

1987-05-15

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.)

Expired - Lifetime

Links

• Espacenet
• Global Dossier
• Discuss

• 239000002184 metal Substances 0.000 claims description 2
• 239000000758 substrate Substances 0.000 description 4
• 238000005520 cutting process Methods 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000005304 joining Methods 0.000 description 1
• 238000003754 machining Methods 0.000 description 1
• 238000007514 turning Methods 0.000 description 1
• 230000007306 turnover Effects 0.000 description 1