公开(公告)号：US20250058373A1

公开(公告)日：2025-02-20

申请号：US18784997

申请日：2024-07-26

Applicant: SINTOKOGIO, LTD.

Inventor： Kazuyuki NISHIKAWA ,  Yusuke Kato ,  Tomohiro Aoki ,  Toshihiko Zenpo ,  Tetsuji Matsui

IPC: B22C1/18 ,  B22C1/02 ,  C04B14/04 ,  C04B28/00 ,  C04B103/63 ,  C04B111/28

Abstract: There is provided a binder for molding a casting mold, which contains water glass and aluminum silicate obtained by carrying out dissolution in the water glass, where the binder for molding a casting mold contains 2 to 15 parts by mass of the aluminum silicate with respect to 100 parts by mass of a solid content of the water glass.

公开(公告)号：US11845694B2

公开(公告)日：2023-12-19

申请号：US17602330

申请日：2020-03-04

Applicant: SINTOKOGIO, LTD.

Inventor： Kazuyuki Nishikawa ,  Masanori Tomioka ,  Yusuke Kato ,  Tetsuji Matsui ,  Tomohiro Aoki

IPC: C04B28/00 ,  B22C1/10 ,  B22C1/18 ,  C04B14/02 ,  C04B14/06 ,  C04B22/02 ,  C04B22/04 ,  C04B103/40 ,  C04B111/28

CPC classification number: C04B28/006 ,  B22C1/10 ,  B22C1/188 ,  C04B14/022 ,  C04B14/06 ,  C04B22/02 ,  C04B22/04 ,  C04B2103/402 ,  C04B2103/406 ,  C04B2111/28

Abstract: The invention relates to a composition for forming a casting mold, the composition containing heat-resistant inorganic particles; a waterglass-based binder; a surfactant; a silicon-containing compound; activated carbon powder and grain; and water; and the silicon-containing compound contains at least one of metal silicon and ferrosilicon.