国家/地区 中国（5）
IPC部 B（5）
IPC大类 B29（5） C08（5） F16（3）
IPC小类 B29D（5）
IPC B29D023/00（5）
发明人
公开年 2022（5）
申请年 2022（5） 
专利权人

Preparing modified plastics in production of hydraulic rubber tubes using plastic vulcanization process used as outer layer with polar rubber, comprises e.g. crimping unvulcanized rubber tube covered with resin shell on perforated metal I-shaped wheel, and vulcanizing.

CHEN K, XU P, JIANG W

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

High-strength temperature medium conveying pipeline comprises e.g. rigid reinforcing layer, polyethylene of raised temperature resistance modified foam layer, anisotropic plane high thermal conductivity graphene layer and inner core pipe in turn from outside to inside.

WANG J, SONG Q, HUO F, CHU 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

Straw material of high mechanical strength and toughness, used in hot beverage industry, comprises preset amounts of polylactic acid, auxiliary material containing nucleating agent, composite toughening agent and slipping agent, composite heat stabilizer, antibacterial agent and anti-aging agent.

HE X