国家/地区 中国（15）
IPC部 F（15）
IPC大类 F16（15） C08（7） B29（5）
C09（4） B32（3） B05（2）
IPC小类 F16L（15） C08K（7） C08L（7）
B29D（5） C09D（4） B32B（3）
B05D（2） C08J（2）
IPC F16L057/06（15）
发明人 LIU J（3） FU Y（2） TENG X（2）
TIAN X（2） WAN G（2）
公开年 2021（8） 2022（5）
申请年 2020（7）  2021（5）  2022（2） 
专利权人 ANHUI GLANT .（3）

Aramid fiber winding composite pipeline for conveying hydrogen, has wearable layer located in inner layer of hydrogen blocking layer, where wearable layer is wearable plastic and is provided between core tube layer and outer protective layer.

WANG Y, MA Z, ZHAO M, LI Y, YU J, TANG Z

Modified polyethylene wearable composite pipe for water supply and drainage of municipal and building, has glass fiber line that is provided with multiple layers on outer layer pipe structure, inner tube body and outer layer pipe body fixedly connected with the inner layer pipe body.

LIN J

Oil pipe protecting device of steel grabbing machine, has compression spring whose one end is fixedly connected with protective inner shell whose outer surface is rotatably connected with sealing cover.

LIN S, XU J, XU R

Composite aluminum pipe with G-shaped pipe comprises a steel pipe and an aluminum pipe combined by cold drawing, and a fin connected with aluminum pipe by a groove outside aluminum pipe and a coating layer provided at outer part of G-shaped pipe.

LU Y

Heat preservation type plastic pipeline for conveying of liquid, gas and other medium, has inner wall of second anti-cracking layer fixedly connected with wearable layer.

BIAN Y

Inner wall wear-resistant pipe material has inner wall pipe material comprising inner wall pipe main body and inner wall pipe ear-resistant coating, where inner wall pipe main body and inner wall wear-resistant pipe coating are arranged from outside to inside.

DAI L

High-toughness PVC pipe material comprises PVC resin, maleic anhydride graft copolymer, hydrotalcite, polyethylene wax, nano-calcium carbonate, antioxidant, ultraviolet absorbent, thiobisphenol and maleic anhydride.

ZHANG R

Reinforced wear-resistant polyethylene water supply pipe, includes inner layer prepared from polyethylene resin, graphene functional masterbatch, core layer made of polyethylene graft resin, and outer layer of block copolymer polypropylene.

LIU J, WAN G, WANG J, TENG X, FU Y, LI H

Fire hose with wear-resistant lining has fire hose main body whose top part is set with hand holding part, connecting flange set on outer top surface of hand holding part and wear-resistant bag body and elastic bag body connected end to end.

CHEN Z

Multi-layer composite pipe used for thermal management system of energy vehicle, comprises intermediate layer and plastic layer, where intermediate layer covers outer surface of plastic layer.

SHI M, SHEN H, MA T