Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOLDING OF LENS
Document Type and Number:
Japanese Patent JP2001010826
Kind Code:
A
Abstract:

To provide a lens molding method capable of readily and surely centering a small-sized lightweight glass material to mold a microminiature lens in a molding mold and carrying out a proper lens pressing operation.

A glass material is placed between an upper mold and a lower mold to carry out a glass pressing operation. The Glass material 110 is arranged on the lower molding mold 100 and an antistatic air is sent from above to the mold. The antistatic air is operated by feeding air from an air supply nozzle 120 arranged above the glass material 110, setting a pin 130 for antistaticity at its supply opening 120A and feeding ion discharged from the pin 130 for antistaticity by air from the supply opening 120A to the glass material 110. The antistatic air is sprayed on the glass material 110 to carry out removal of electricity and centering. After the removal of electricity and centering of the Glass material 110 are carried out, the air supply nozzle 120 and the pin 130 for antistaticity are retreated from the top of the molding mold 100, the upper mold is arranged and press molding is performed.


Inventors:
KUBO MINORU
SAKAKIBARA HIROYUKI
Application Number:
JP17574899A
Publication Date:
January 16, 2001
Filing Date:
June 22, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP
International Classes:
C03B11/00; C03B11/08; (IPC1-7): C03B11/00; C03B11/08