US 11,981,055 B2
Injection mold, injection molding machine including injection mold, and method for manufacturing injection-molded product using injection molding machine
Inki Min, Daejeon (KR); Dongchul Shim, Daejeon (KR); Cheol Hwan Hwang, Daejeon (KR); Minchul Lee, Daejeon (KR); and In Woo Kim, Daejeon (KR)
Assigned to LG CHEM, LTD., Seoul (KR)
Appl. No. 17/256,569
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Dec. 4, 2019, PCT No. PCT/KR2019/016989
§ 371(c)(1), (2) Date Dec. 28, 2020,
PCT Pub. No. WO2020/130426, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 10-2018-0163101 (KR), filed on Dec. 17, 2018; and application No. 10-2019-0154973 (KR), filed on Nov. 28, 2019.
Prior Publication US 2021/0268694 A1, Sep. 2, 2021
Int. Cl. B29C 45/26 (2006.01); B29C 33/56 (2006.01); B29C 44/42 (2006.01); B29K 105/04 (2006.01)
CPC B29C 33/56 (2013.01) [B29C 44/421 (2013.01); B29C 45/26 (2013.01); B29K 2105/041 (2013.01); B29K 2827/14 (2013.01); B29K 2827/16 (2013.01); B29K 2827/18 (2013.01); B29K 2871/00 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An injection mold, comprising:
a mold having a mold surface on which a deposition layer is formed, the deposition layer comprising two or more deposition layers,
wherein a first deposition layer is provided on the mold surface and comprises polytetrafluoroethylene, and a second deposition layer is provided on the first deposition layer and comprises perfluoroalkoxy,
wherein the first deposition layer has a thickness of 10 to 40 μm and wherein the second deposition layer has a thickness of 40 to 70 μm, a total thickness of the deposition layers is 50 to 80 μm, and
wherein the two or more deposition layers are sinter-hardened deposition layers.