国家/地区 中国（4）
IPC部 B（4）
IPC大类 B29（4）
IPC小类 C08K（4） C08L（4） F16L（4）
B29D（2）
IPC C08K003/04（4）
发明人 LIU J（2）
公开年 2021（4）
申请年 2020（2）  2021（2） 
专利权人 ANHUI GLANT .（2）

Combined pressure-resistant double-wall corrugated pipe has corrugated pipe provided with corrugated grooves, and exhaust pipe passing arc-shaped limiting groove and installed on annular airbag, which is in contact with corrugated groove.

LIU L, JIANG H, ZHANG Z, JIANG J, ZHANG Y

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

Reinforced wear-resistant PE drainage pipe for trenchless construction, comprises high density polyethylene, linear low density polyethylene, nano graphene, polyaniline modified bentonite and titanate coupling agent.

LIU J, CAO C, JIANG F, ZHANG J, ZHOU M, GU Y, ZHU Q