公开(公告)号：US20200061696A1

公开(公告)日：2020-02-27

申请号：US16609831

申请日：2018-04-26

Applicant: SINTOKOGIO, LTD.

Inventor： Tokiya TERABE ,  Koichi SAKAGUCHI ,  Yutaka HADANO

IPC: B22C15/24 ,  B22C15/28 ,  B22C15/26 ,  B22C15/02

Abstract: A flaskless molding machine includes: an upper flask; a lower flask; an upper sand tank; an upper plate attached to a lower end of the upper sand tank; a first lower sand tank; a second lower sand tank storing mold sand supplied from the first lower sand tank; a lower plate attached to an upper end of the second lower sand tank, with at least one supply port being formed, the supply port allowing the second lower sand tank to communicate with an inside of the lower flask; at least one pressure detector detecting a pressure of at least one tank among the upper sand tank, the first lower sand tank and the second lower sand tank; and a control unit connected to the pressure detector and obtaining a detection result of the at least one pressure detector.