国家/地区
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08L（2） F16L（2）
IPC F16L009/12（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Synthetic resin pipe reinforced with improved outer peel layer comprises e.g. main layer comprising main body, inner peel layer formed as thin film on inner circumferential surface of main layer made up of vinyl chloride, and polyethylene.

HWAN K J

High-strength polyethylene pipe fittings comprises e.g. polyethylen outer layer, middle layer and inner layer, where outer layer is embedded at outer side of middle layer, and middle layer is provided with reinforcing layer and reinforcing layer is net-shaped structure or planar structure.

CHEN J, CHEN Z, PAN X