US 11,884,048 B2
Decorative sheet, embossing method and embossing die
Shigeru Nakajima, Fukui (JP)
Assigned to SEIREN CO., LTD.
Appl. No. 16/969,244
Filed by SEIREN CO., LTD., Fukui (JP)
PCT Filed Jan. 22, 2019, PCT No. PCT/JP2019/001933
§ 371(c)(1), (2) Date Aug. 12, 2020,
PCT Pub. No. WO2019/159613, PCT Pub. Date Aug. 22, 2019.
Claims priority of application No. 2018-022788 (JP), filed on Feb. 13, 2018.
Prior Publication US 2021/0001592 A1, Jan. 7, 2021
Int. Cl. B32B 3/30 (2006.01); B29C 59/02 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B32B 38/06 (2006.01); B29L 31/30 (2006.01)
CPC B32B 3/30 (2013.01) [B29C 59/026 (2013.01); B32B 5/024 (2013.01); B32B 5/026 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 38/06 (2013.01); B29K 2713/00 (2013.01); B29K 2715/003 (2013.01); B29L 2031/3005 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An upholstery including a decorative sheet comprising:
a base material including at least one of a fabric or a leather, and
a concave portion which is provided on a front face of the base material and whose depth direction coincides with a thickness direction of the base material,
wherein the concave portion further comprises a singular concave recess with an inner surface including a first surface and a second surface different from the first surface, the first surface being a bottom surface,
a first concavo-convex pattern in a first region of the first surface of the concave portion, the first concavo-convex pattern including at least two rows of first shaped surfaces, the first shaped surfaces disposed at predetermined intervals along the respective rows, and
a second concavo-convex pattern which is different from the first concavo-convex pattern in a second region of the second surface, the second region being different from the first region, the second concavo-convex pattern including at least two second shaped surfaces, each second shaped surface having an elongate dimension and being rectangular or triangular in cross-section,
wherein the first concavo-convex pattern is absent from the second surface of the concave portion, and
wherein an appearance of the concave portion changes with a changing viewing angle.