国家/地区 中国（4）
IPC部 F（4）
IPC大类 F16（4）
IPC小类 F16B（4）
IPC F16B033/00（4）
发明人
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人

High corrosion resistant cobalt-based alloy screw element, has adjusting cavity whose inner wall is provided with inner spiral groove with equal distance, where surface of screw element main body is coated with chromium alloy layer.

XIE X

Aluminum alloy nut, has high-speed steel layer whose surface is fixedly connected with wearable ceramic layer, and nut main body whose inner wall is provided with screw thread, where material of wearable coating is graphene wearable coating.

TANG Z

Ceramic matrix composite stud comprises e.g. fiber preform, composite interface layer including pyrolytic carbon interface layer, boron nitride interface layer, and silicon carbide interface layer, and ceramic matrix.

ZHANG D, WU H, CAO W, WEI Q, YAO D, LIU X, PAN G

Processing and molding corrosion-resistant screw, comprises e.g. preparing pretreated wire by adding specific series wire into hanging furnace, heating, cooling, then adding processed wire into cold heading machine, and post-processing.

DENG Q