US 11,787,089 B2
Method of producing an optical member including an alignment of canes into a jig
Ryoichi Teramoto, Kanagawa (JP); and Atsuyoshi Ichihashi, Aichi (JP)
Assigned to Sony Group Corporation
Filed by Sony Group Corporation, Tokyo (JP)
Filed on May 11, 2021, as Appl. No. 17/317,213.
Claims priority of application No. 2020-086158 (JP), filed on May 15, 2020.
Prior Publication US 2021/0354334 A1, Nov. 18, 2021
Int. Cl. B29C 31/08 (2006.01); B29C 31/00 (2006.01); B29L 11/00 (2006.01)
CPC B29C 31/08 (2013.01) [B29C 31/008 (2013.01); B29L 2011/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A method of producing an optical member, comprising: an alignment step of inserting, by an alignment apparatus, one cane into each of a plurality of insertion holes of a jig that is not a part of the optical member, the plurality of insertion holes being aligned at predetermined intervals in a first direction and extending in a second direction perpendicular to the first direction, the jig holding the respective canes inserted into the plurality of insertion holes; a cleaning step of cleaning, by a cleaning apparatus, the respective canes aligned in the jig; and a packing step of repeatedly performing, by a packing apparatus, a process of inserting the cleaned cane into a mold from the jig, which includes removing the cleaned cane from the jig, and aligning the canes in the mold in a horizonal direction and a vertical direction prior to forming the optical member from the canes.