国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2） C09（2）
IPC小类 C08K（2）
IPC C08K003/26（2）
发明人
公开年 2022（2）
申请年
专利权人

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

Shock absorbing ring comprises shock absorbing body and insulating and thermal-conducting layer coated on surface of shock absorbing body, where shock absorbing body comprises e.g. ethylene propylene diene monomer rubber, zinc oxide, stearic acid, zinc stearate, and softener.

ZHOU J