国家/地区 中国（2）
IPC部 F（2）
IPC大类 F16（2）
IPC小类 F16L（2）
IPC F16L009/14（2）
发明人 LI Y（2）
公开年
申请年 2022（2）
专利权人 NINGXIA QING.（2）

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

Electric melting pipe fitting for high voltage composite pipeline, comprises outer protective layer from inside to outside, where material of hydrogen blocking layer is polyamide resin composition, where polyamide resin composition contains polyamide resin, and particulate inorganic compound.

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