国家/地区 中国（6）
IPC部 B（6）
IPC大类 B05（6）
IPC小类 B05B（6）
IPC B05B013/04（4） B05B009/04（2） B05B013/02（2）
B05B016/20（2） B05D003/04（2） B05D007/02（2）
B08B003/02（2） C09D005/08（2） F26B021/00（2）
发明人
公开年 2022（3）
申请年 2022（3）  2021（2） 
专利权人

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z

Rail anti-corrosion spraying device, has main body beam seat fixedly connected with rack, where output end of speed reducing motor extends to inner side of fixing frame, and gear is connected to rack meshing.

DAI D, SU R, YIN Q

Device for spraying graphene material on surface of heat storage body of household electric baking furnace, has drying box provided with multiple electric heating pipes that are set on two sides of heat accumulator fin strip.

ZHENG C

Auxiliary device based on gluing and flattening, has working table is clamped with bottom surface and other is provided with cover surface.

ZHONG Y, ZHANG Y, TIAN G

Corrosion resistant polyethylene water supply pipe material comprises base layer and anticorrosive graphene coating comprising polyethylene, color master batch, epoxy resin and dispersant.

LIU J, WANG J, LI H

Defrosting type heat pump outdoor machine has graphene film layer having strong hydrophobicity for delaying frosting time of evaporator fin surface, and reducing frosting quantity to inhibit effect of frosting.

QI Y, GUO Z