US 12,446,667 B2
Strap and timepiece
Yugo Hibayashi, Chiba (JP); Masanori Kawamura, Chiba (JP); Kento Ito, Chiba (JP); Yukio Kanemaki, Tokyo (JP); Takeshi Hiraoka, Tokyo (JP); Akihisa Edward Sugitani, Tokyo (JP); Yutaro Kamada, Tokyo (JP); and Yukiyasu Yamada, Tokyo (JP)
Assigned to SEIKO WATCH KABUSHIKI KAISHA (TRADING AS SEIKO WATCH CORPORATION), Tokyo (JP)
Filed by SEIKO WATCH KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 1, 2022, as Appl. No. 17/978,755.
Claims priority of application No. 2021-179748 (JP), filed on Nov. 2, 2021.
Prior Publication US 2023/0139816 A1, May 4, 2023
Int. Cl. A44C 5/00 (2006.01); D04H 3/08 (2006.01)
CPC A44C 5/0053 (2013.01) [D04H 3/08 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A strap, comprising:
a core having a first stacked structure, a second stacked structure formed separately from the first stacked structure, and a third stacked structure formed separately from the first stacked structure and the second stacked structure, each of the first stacked structure, the second stacked structure, and the third stacked structure in which a plurality of members comprising a member having flexibility is stacked; and
a skin member configured to surround the core,
wherein the core comprises a core main body, and a first auxiliary core and a second auxiliary core disposed between the core main body and the skin member, a width dimension of the second auxiliary core smaller than a width dimension of the first auxiliary core,
wherein the core main body comprises the first stacked structure, and
wherein the first auxiliary core comprises the second stacked structure, and
wherein the second auxiliary core comprises the third stacked structure.