国家/地区 中国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08K（3） C08L（3） F16L（2）
IPC C08L083/04（3）
发明人
公开年 2022（3）
申请年 2022（3） 
专利权人

Rubber tube useful for underground hydraulic transmission, comprises e.g. inner rubber layer set inside composite layer and outer rubber layer set outside composite layer, where metal weaving layer is compounded on middle rubber layer, and outer rubber layer is compounded on metal weaving layer.

WANG Y, HU X, HAN W, JIA X, LIU G, LI X

Anti-scale layer used in preparing heat-resistant polyethylene (PE-RT) floor heating pipe, comprises PE-RT, organic silicone masterbatch, nano-silicon dioxide and modified-graphene oxide prepared by modifying graphene oxide with surface modifier.

OU J, CHEN S, CHENG X, QIN X, LV A

Preparing pipe material comprises cleaning mineral-inorganic composite materials, grinding, melting, casting and forming in combination with pipe mold by means of centrifugal casting, demolding and cooling, heating and densifying, and coating anti-corrosion coating.

WANG P