国家/地区 中国（5）
IPC部 F（5）
IPC大类 F16（5）
IPC小类 F16L（5） B29D（3） C08K（3）
C08L（3） B29C（2）
IPC F16L009/147（5）
发明人
公开年 2021（5）
申请年 2021（3）  2020（2） 
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

Oxidation-resistant polyethylene composite pipe comprises core pipe that is provided with aluminum sheet layer provided with outer layer pipe, where core pipe and outer layer pipe are made of polyethylene, chlorinated polyethylene, dibutyltin dilaurate, zinc stearate, graphene, and barium laurate.

LIU J, WANG J, WANG H, WU D

Wear-resistant and corrosion-resistant pipe fitting comprises ultra-high molecular weight polyethylene, leveling agent, silicone oil, nano particles.

WANG W, LIU Z, SUN L

Composite material prepared by modifying graphene oxide and treated nano-nickel chromite particles, mixing polyethylene and dispersant, vacuum drying, and vulcanizing, used in aluminum-plastic composite pipe.

INVENTOR U

Multilayer structure e.g. pipe for underwater device, comprises composite reinforcing layer comprising thermoplastic polymer having preset glass transition temperature, welded to outermost sealing layer, and excludes hydrogen from structure.

HOCHSTETTER G