国家/地区 中国（3）
IPC部 B（3）
IPC大类 B05（3） C09（3）
IPC小类 B05D（3）
IPC C09D007/61（3）
发明人 WANG L（3）
公开年 2021（2）
申请年
专利权人

Preparing coating for screw thread, comprises e.g. providing workpieces with screw thread, pretreating screw thread part of workpieces with screw thread; sandblasting workpiece with screw thread after pretreatment; and preheating workpiece with screw thread after sandblasting.

SUN J, WANG Y, WANG L, LI R, SONG X, LIU X

Preparing Teflon corrugated pipe internal crimping joint comprises using 304 stainless steel processing to make withholding joints and coating crimping joint surface with corrosion-resistant modified polyperfluoroethylene propylene coating.

WANG W, WANG L, LI S

Solvent-free epoxy self-repairing anticorrosive coating used as an anticorrosive coating on carbon steel substrates, comprises component A and component B, and the component A includes phenolic epoxy resin and graphene dispersion slurry.

SHI J, GUO X, HAN Z, CUI C, WANG L, DING C, KANG S, SUN Z, LIU B, DUAN S