JPS61158338U - - Google Patents

Info

Publication number

JPS61158338U

JPS61158338U JP4356285U JP4356285U JPS61158338U JP S61158338 U JPS61158338 U JP S61158338U JP 4356285 U JP4356285 U JP 4356285U JP 4356285 U JP4356285 U JP 4356285U JP S61158338 U JPS61158338 U JP S61158338U

Authority

JP

Japan

Prior art keywords

surface plate

mold making

convex portion

making according

utility

Prior art date

1985-03-26

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

• 230000002093 peripheral effect Effects 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 3
• 238000005266 casting Methods 0.000 description 1
• 230000007547 defect Effects 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1