US 12,472,669 B2
Injection mold
Dong Chul Shim, Daejeon (KR); Jung Chul Shin, Daejeon (KR); Byeong Joon Jeong, Daejeon (KR); Worl Yong Kim, Daejeon (KR); Joon Hyoung Park, Daejeon (KR); and Jae Hyun Shin, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 18/024,705
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Mar. 7, 2022, PCT No. PCT/KR2022/003202
§ 371(c)(1), (2) Date Mar. 3, 2023,
PCT Pub. No. WO2022/191548, PCT Pub. Date Sep. 15, 2022.
Claims priority of application No. 10-2021-0031020 (KR), filed on Mar. 9, 2021.
Prior Publication US 2023/0339161 A1, Oct. 26, 2023
Int. Cl. B29C 45/37 (2006.01); B29C 33/38 (2006.01); B29C 33/42 (2006.01); B29C 45/00 (2006.01); B29C 45/34 (2006.01); B29C 45/73 (2006.01)
CPC B29C 45/372 (2013.01) [B29C 33/3842 (2013.01); B29C 33/424 (2013.01); B29C 45/345 (2013.01); B29C 45/7331 (2013.01); B29C 45/0001 (2013.01); B29K 2905/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An injection mold for manufacturing an injection-molded product through injection molding, the injection mold comprising:
a transfer mold configured to form a pattern on a first surface of the injection-molded product and to be disposed facing the first surface of the injection-molded product; and
a rear surface mold to be disposed facing a second surface of the injection-molded product, the rear surface mold includes:
a rear surface part comprising a heat dissipating metal and to face the second surface of the injection-molded product;
a first split mold including a first rear surface part; and
a second split mold including a second rear surface part, the second split mold is disposed at a central portion or an edge of the first split mold on a plan view,
wherein the first rear surface part and the second rear surface part comprise the heat dissipating metal,
wherein the first rear surface part and the second rear surface part are included in the rear surface part, and are configured to face the second surface of the injection-molded product,
wherein the second surface of the injection-molded product opposes the first surface of the injection-molded product,
wherein the heat dissipating metal includes a PORCERAX® material, which is a metal having a vent structure with air pores, and
wherein an embossing pattern is disposed on a front surface part of the transfer mold, which faces the first surface of the injection-molded product, so that the pattern is disposed on the first surface of the injection-molded product.