US 12,076,813 B2
Method for decorating watch component, watch component, watch movement, and watch
Atsuhiko Sugita, Suwa (JP); Ai Yoshinaga, Shiojiri (JP); Yuki Takishita, Shiojjiri (JP); and Wataru Uehara, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, (JP)
Filed by Seiko Epson Corporation, Tokyo (JP)
Filed on Jun. 29, 2021, as Appl. No. 17/361,439.
Claims priority of application No. 2020-112532 (JP), filed on Jun. 30, 2020.
Prior Publication US 2021/0402513 A1, Dec. 30, 2021
Int. Cl. B23K 26/082 (2014.01); B23K 26/0622 (2014.01); B44C 1/22 (2006.01); G04D 3/00 (2006.01)
CPC B23K 26/0624 (2015.10) [B23K 26/082 (2015.10); B44C 1/228 (2013.01); G04D 3/0069 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A timepiece component comprising:
a metal base material having a surface;
a plurality of first grooves formed in the surface and extending in a first direction, the plurality of first grooves not intersecting each other, the plurality of first grooves having a shallower depth groove and a deeper depth groove, a depth of the shallower depth groove being shallower than a depth of the deeper depth groove; and
a plurality of second grooves formed in the surface and extending in a second direction, the plurality of second grooves not intersecting each,
wherein the plurality of first grooves and the plurality of second grooves intersect each other,
each of the plurality of first grooves is open at a front surface and extends to a bottom, and
a curvature at a bottom surface of the deeper depth groove is larger than a curvature at a bottom surface of the shallower depth groove.