国家/地区 中国（7）
IPC部 F（7）
IPC大类 F16（7）
IPC小类 F16L（7）
IPC F16L059/02（7）
发明人
公开年 2021（4） 2022（3）
申请年 2021（7）
专利权人

Polybutylene composite pipe used in hot spring transportation, comprises anti-corrosion outer layer, thermal insulation layer and working inner layer from outside to inside, where working inner layer is made of polybutene material and insulation layer is made of polyethylene foamed plastic.

QIN X, YI Z, WANG L, JIN J, LIANG 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

Installation for distributing hydrogen to consumer of hydrogen, comprises hydrogen reservoir and hydrogen distribution pipe(s), where surface(s) of reservoir or pipe is covered with two-dimensional material mixed with polymer of polydopamine type.

FORSTER R

Valve heat preservation device, has graphene inner pad adhered on inner wall side of copper foil, shell and shell two adhered with insulating foam, and aluminum plate adhering on insulating side, where shells are equipped with buckle.

JIA L, LI G, XU Q, WANG T

Graphene hot water supply pipe, has connecting ring whose outer end and graphene pipeline are in threaded connection, where top part of sedimentation chamber is connected with bottom of graphene pipeline.

ZHU Y, ZHU H

Automobile oil delivery pipe assembly for providing conveying petroleum for automobile, has oil conveying pipe comprising poly-chlorine base material layer silicon oil layer and scale anti-corrosion coating.

GUO P

Graphene PERT floor heating pipe, has outer protective pipe body whose outer wall is fixedly sleeved with limiting seat, where limiting seat is semi-cylindrical body and is provided with pulling plate capable of stretching.

HUANG Q