JPS6294424U - - Google Patents

Info

Publication number

JPS6294424U

JPS6294424U JP18547485U JP18547485U JPS6294424U JP S6294424 U JPS6294424 U JP S6294424U JP 18547485 U JP18547485 U JP 18547485U JP 18547485 U JP18547485 U JP 18547485U JP S6294424 U JPS6294424 U JP S6294424U

Authority

JP

Japan

Prior art keywords

optical head

circumferential surface

molded body

plastic molded

draft angle

Prior art date

1985-12-03

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

• 230000003287 optical effect Effects 0.000 claims description 5
• 230000001678 irradiating effect Effects 0.000 claims 1
• 238000000465 moulding Methods 0.000 claims 1
• 238000001514 detection method Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1