国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29D（2）
IPC B29D023/18（2）
发明人
公开年 2021（2）
申请年
专利权人

Strong corrosion resistance steel belt reinforced spiral corrugated pipe comprises steel belt and outer pipe and inner pipe composing bisphenol A epoxy vinyl resin, phenolic resin, polypropylene, glass fiber, and modified graphene.

PEI S, ZHOU S, XU J, XU H, CHEN X

Continuous carbon fiber winding composite reinforced polyethylene gas pipe comprises polyethylene gas pipe component comprising pressure-resistant layer containing graphene functional masterbatch and inner lining layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W