US 12,441,030 B2
Resin molding die, method for manufacturing resin molding die, method for manufacturing resin molded article, and system for manufacturing resin molded article
Mitsushi Sogabe, Higashiosaka (JP); Melanie Eurich, Heilbronn (DE); and Frederik Eurich, Bad Friedrichshal (DE)
Assigned to TANAZAWA HAKKOSHA CO., LTD., Higashiosaka (JP); and ESCHMANN TEXTURES INTERNATIONAL GMBH, Gummersbach (DE)
Appl. No. 17/787,669
Filed by TANAZAWA HAKKOSHA CO., LTD., Higashiosaka (JP); and Eschmann Textures International GmbH, Gummersbach (DE)
PCT Filed Dec. 20, 2019, PCT No. PCT/JP2019/050213
§ 371(c)(1), (2) Date Jun. 21, 2022,
PCT Pub. No. WO2021/124581, PCT Pub. Date Jun. 24, 2021.
Prior Publication US 2022/0410437 A1, Dec. 29, 2022
Int. Cl. B29C 33/38 (2006.01); B29C 33/42 (2006.01); B29C 33/56 (2006.01); B29C 37/00 (2006.01); B29C 59/02 (2006.01)
CPC B29C 33/38 (2013.01) [B29C 33/3807 (2013.01); B29C 33/3857 (2013.01); B29C 33/42 (2013.01); B29C 33/56 (2013.01); B29C 37/0053 (2013.01); B29C 59/022 (2013.01); B29C 2791/009 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A resin molding mold, comprising:
a molding mold main body; and
a resin layer being formed and exposed on a mold surface side of the molding mold main body, the resin layer comprising heat-resistant composite materials including a synthetic resin and a ceramic powder particle, wherein
recesses and projections are formed on the resin layer by excavating a portion of the resin layer, and
the resin layer includes a plurality of layers, each of which has a different content of the synthetic resin and the ceramic powder particle, an end surface of each of the plurality of layers of the resin layer being exposed where the recesses and projections are formed.