JPS62143908U - - Google Patents

Info

Publication number

JPS62143908U

JPS62143908U JP3120586U JP3120586U JPS62143908U JP S62143908 U JPS62143908 U JP S62143908U JP 3120586 U JP3120586 U JP 3120586U JP 3120586 U JP3120586 U JP 3120586U JP S62143908 U JPS62143908 U JP S62143908U

Authority

JP

Japan

Prior art keywords

lens

tapered surface

plastic lens

plastic

rolling elements

Prior art date

1986-03-06

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

• 238000005096 rolling process Methods 0.000 claims description 4
• 230000008602 contraction Effects 0.000 claims 1
• 230000007423 decrease Effects 0.000 claims 1
• 230000003287 optical effect Effects 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 description 2
• 238000006073 displacement reaction Methods 0.000 description 1