国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B28（2）
IPC小类 B28B（2）
IPC C04B014/06（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Forming foundry casting element, comprises forming aqueous slurry comprising solid inorganic binder material or its precursor, shaping slurry using pattern, curing shaped slurry, and removing pattern from casting element.

RIMAN R E, BLINN K, LEHMANN R E, BULLING K

Manufacture of sidewalk block involves injecting mixture containing cement, water reducing agent and activated silica into mold, applying mixture containing polymer powder and artificial aggregate on formed base layer, pressing and curing.

LEE Y, YEOUL L J