国家/地区 中国（6）
IPC部 C（6）
IPC大类 C08（6）
IPC小类 C08K（6） C08L（6） F16L（4）
C22C（2） F16F（2） G01D（2）
IPC C08K009/02（6）
发明人 PAN J（2） ZHANG L（2）
公开年 2022（5）
申请年 2022（6）
专利权人 GUANGDE TIAN.（2）

High density polyethylene corrugated pipe useful in the field of transportation and construction, comprises inner wall and outer wall, where the inner wall includes enhanced HDPE master batch, magnesium carbonate, zinc sulfide, pentaerythritol ester and polyethylene wax.

LI W, JIANG J, ZHANG Y

Vibration damping block useful for air conditioning product comprises vibration damping base material embedded with titanium-aluminum alloy elastic net, outer surface of damping base material wrapped with woven carbon fiber buffer net and vibration damping base material arranged in inner layer.

ZHANG L, PAN J

Double insulation type self-limiting temperature heating cable used in electric heating element, comprises two parallel metal wire cores whose outside is covered with PTC material layer, where PTC material layer is covered with inner insulating layer and flame-retardant outer insulating layer.

JI C

Vibration damping block useful for air conditioner product by damping base material embedded with titanium-aluminum alloy elastic net, inner part damping base material provided with irregular buffer cavity and outer surface of gap woven carbon fiber buffer net provided with multiple T-shaped bumps.

ZHANG L, PAN J

Fiber reinforced plastic electro-fusion pipe with independent control of mechanical performance and electrical performance comprises electric melting pipe main body embedded with resistance wire, and provided with two binding posts respectively connected to two ends of resistance wire.

HU Z, ZHENG J, SHI J, YAO R

Processing cold-resistant water pipe useful in e.g. polyvinyl chloride water supply pipe, comprises e.g. ultrasonically dispersing graphene oxide and deionized water, centrifuging, reacting, stirring polypropylene, ethylene-octene copolymer, high-density polyethylene, and performing melt extrusion.

LU X, GU N