国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29B（2）
IPC
发明人
公开年 2022（2）
申请年 2021（2）
专利权人

Performing blow molding process of renewable polyester fiber with low density involves preparing recycled polyester fiber as raw material for blow molding, blending the regenerated polyester fiber and low-melting polyester, and then slicing.

FAN X, DU W, DU T, DU S

Mixed fiber preform reinforced composite material useful in three-dimensional mixed-woven polyimide reinforced polyformaldehyde composite material, has e.g. fiber perform, namely three-dimensional fabric woven by two to five fibers.

CHEN Z, XIAO Q, MIAO Y