国家/地区 中国（7）
IPC部 B（7） C（3）
IPC大类 B29（7） C08（3） B32（2）
IPC小类 B29B（7）
IPC B29C048/00（7）
发明人
公开年 2022（4） 2021（3）
申请年 2021（7）
专利权人

Polybutylene composite pipe used in hot spring transportation, comprises anti-corrosion outer layer, thermal insulation layer and working inner layer from outside to inside, where working inner layer is made of polybutene material and insulation layer is made of polyethylene foamed plastic.

QIN X, YI Z, WANG L, JIN J, LIANG Y

Multi-layer printed circuit board plate production process inner and outer layer spiral extrusion line plate forming method, involves utilizing cooling structure to cool and dry printed circuit board plate material, and promoting plate material solidifying and forming processes.

LAI J, CHEN X, SU H, ZHANG H, YE H

Bending-resistant, impact-resistant steel aqueous decorative film comprises decorative layer, polyvinyl chloride substrate and modified resin layer.

ZHANG Y

Multilayer coextrusion electromagnetic shielding fluoroplastic electric insulating corrugated pipe comprises electromagnetic shielding layer and insulating layer.

JIA X, LIU J

Automatic medicine delivery machine for ward comprises bottom plate fixedly set with limit block, Groove-shaped rail set at bottom of limit block, bottom plate set with movable rollers, and bottom plate set with first mounting plate.

WU X, XIN P

Preparing acrylonitrile styrene acrylate film used for outdoor application, by adding acrylonitrile styrene acrylate rubber powder, calcium carbonate powder, hollow glass beads, pigment, lubricating dispersant and light stabilizer to main material, melting and extruding, casting and winding.

LV Z

Preparing high-strength and high heat-conducting resin-based continuous carbon fiber composite material comprises e.g. twisting continuous polyacrylonitrile-based carbon fiber, pitch-based carbon fiber, graphene fiber and carbon nanotube.

DING P, XU T, SHI L