国家/地区 中国（10）
IPC部 B（10）
IPC大类 B32（10） F16（8） C08（6）
B29（4） F24（2）
IPC小类 B32B（10） F16L（7） C08K（6）
C08L（6） B29D（4） F24D（2）
IPC B32B001/08（10）
发明人 LIU J（3） TIAN X（3） FU Y（2）
LIU W（2） MEI L（2） WAN G（2）
ZHOU W（2）
公开年 2021（10）
申请年 2020（10） 
专利权人 ANHUI GLANT .（3）

Ground heating pipe for heating system, has graphene heat conducting layer arranged between inner pipe and outer pipe, where water inlet end of ground heating pipe is provided with water inlet filtering component.

ZHENG B

High temperature compound adhesive roller, has rubber roller composite body covered on outer circumferential surface of roller shaft, where thickness of high hardness composite glue layer and low hardness composite glue layer is in specific range.

JIAO J

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

High heat-conducting graphene floor heating pipe comprises pipe body, polyethylene layer, steel wire net layer, and graphene heat-conducting layer including graphite, antioxidant, dispersant, coupling agent, heat stabilizer, and plasticizer.

XU W, LIU Y, ZHANG H

Enhanced wear-resistant polyethylene drainage pipe, has inner layer having polyethylene resin and graphene reinforced masterbatch, polyethylene graft resin core layer, and polyethylene graft resin outer layer set sequentially.

LIU J, WAN G, TIAN X, LIU W, MEI L, ZHOU W, FU Y

Preparing trenchless construction reinforced wear-resistant polyethylene gas pipe, comprises e.g. extruding block copolymer polypropylene, graphene black masterbatch, polyethylene resin and polyethylene graft resin, cooling, and shaping.

LIU J, FU Y, MEI L, TENG X, LIU W, WAN G, TIAN X

Environmentally friendly flame-retardant thermal insulation PPR pipe comprises antibacterial layer, main body layer, waterproof layer and flame-retardant layer made of polyethylene particles, graphene powder and brucite grafted polyimide.

MU X

Heating heat exchange tube, has graphene composite layer surrounded into hollow tube, and ethylene vinyl acetate hydroxide layer utilized for maleic anhydride and graphene composite layer, where far infrared outer layer is adhered by co-extrusion.

WANG H

Multi-layer composite pipe with high thermal conductivity and high heat resistance, comprises inner layer, middle layer close to the outside of inner layer, and outer layer close to outside of middle layer.

ZHANG B, JIANG X, KONG X, LIANG J

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