国家/地区 中国（5）
IPC部 B（5）
IPC大类 B23（5）
IPC小类 C21D（5）
IPC B23P015/00（3） C21D001/18（2）
发明人
公开年 2017（2） 2022（2）
申请年 2022（2） 
专利权人

Preparing multi-composite processing self-lubricating steel bushing useful for preparing bushing, comprises e.g. quenching the bushing blank and tempering, roughly processing the bushing blank, then carrying out salt bath sulfur carbonitriding treatment and performing first spraying.

YIN M

Mining hydraulic support repairing device, has adjusting mechanism comprising two sliding groove plates symmetrically and uniformly distributed and fixedly installed on top surface of bottom plate.

XIE S, SHAO H, JIAO G, ZHANG H, LI X

Vacuum brazing dispersed copper involves cleaning surface of dispersed copper workpiece, drying, blasting using graphene composite particles, placing in rare gas atmosphere, irradiating, cooling, electroplating, and vacuum brazing.

YANG P, CHEN M, HOU R, WANG X

Laser composite ductile component surface in-situ self-growing method of graphene by coating ductile component with absorption layer and restraint layer, laser shot blasting, performing laser irradiation by optical fiber, and forming.

FENG X, ZHOU J, ZHOU Y, XU J, LI J, SUN Y, LU Y

Door trim board injection mold comprises specified amount of iron powder, graphene, rare-earth powder, ethyl silicate, molybdenum powder, chromium powder, vanadium powder, silicon powder and tungsten carbide powder.

YUAN W, HUANG M, TANG S, LUO B