US 12,032,339 B2
Process for blanking appliques in the field of watchmaking
Gérard Rossier, La Chaux-de-Fonds (CH)
Assigned to Universo S.A., La Chaux-de-Fonds (CH)
Filed by Universo S.A., La Chaux-de-Fonds (CH)
Filed on Mar. 10, 2023, as Appl. No. 18/181,699.
Claims priority of application No. 22173607 (EP), filed on May 16, 2022.
Prior Publication US 2023/0367267 A1, Nov. 16, 2023
Int. Cl. G04D 3/00 (2006.01); G04B 19/10 (2006.01)
CPC G04D 3/0048 (2013.01) [G04B 19/103 (2013.01); G04D 3/0092 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A process for blanking an applique for a watch dial, this applique having, at the end of the blanking process, an outline which defines at least one hollow, having at least one of a pointed zone and a thin groove, or which defines at least one projecting part forming at least one of a point and a drawn-out portion;
wherein the blanking method comprises:
blanking with a laser beam a first part of said at least one of a pointed zone and a thin groove of a first hollow from said at least one hollow, or said at least one of a point and a drawn-out portion of at least a first projection part from said at least one projecting part; and
blanking with a stamp a second part of said outline which is complementary with the first part.