国家/地区 中国（4）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC F16D069/02（3） C04B035/622（2）
发明人
公开年 2022（2） 2023（2）
申请年 2022（4）
专利权人

Mortar lining material useful for ductile cast iron pipe lining for sewage, comprises high aluminum cement, granulated blast furnace slag micro powder, silicon ash, sand, water reducing agent, retarder, graphene oxide, and water.

WANG Y, MA Z, ZHAO H, WANG J

Manufacturing composite fiber preform, preferably carbon-carbon composite material for disc brakes, involves winding composite fiber fabric around core to form composite fiber preform comprising multiple layers defining annulus extending along central axi.

TANG L G, GLEN S, PIAO Y, MURDIE N, JAMES M C, MERDEY N, GUERON S, TANG L

Wear-resistant drum brake pad useful for e.g. water tank filled with slag wool, urban muck trucks and water tanks, comprises e.g. high hardness organic binder, slag wool, nano-carbon-based modified composite fiber, composite rubber powder, abrasive material, pyrite powder, and space filler.

HUANG X, WANG Z, ZHANG X, ZHOU L, SUN Q

Method for preparing resin-based ceramic friction material for use in brake pad, involves grafting polyacrylamide to the surface of the ceramic particles through a second silane coupling agent to obtain modified ceramic particles and mixing the resin matrix and the modified ceramic particles.

ZHU W, YUE J, WANG X