Vertical boxless mould casting machine

Details Vertical boxless mould casting machine Vertical boxless mould casting machine

2006-03-07

2006-03-07

Tran, Len (Department: 1725)

Metal founding

Means to shape metallic material

Plural independent molds

C164S213000

Reexamination Certificate

active

07007738

ABSTRACT:
The molding machine comprises a station (1) with a chamber (2) that is closed between a front plate (5) that can move and swivel and a rear plate (8) associated to an extraction piston (9), forming a shell (3) in said chamber (2) by blowing sand through an upper hopper (4). The shell (3) obtained is pushed by the piston (9) until the rear of a row of shells (3′) placed on a conveyor (7) that places them opposite a casting station. The motion of the shell (3) pushed by the extraction piston (9) is independent of the motion of said piston after being incorporated in the row of shells, and is provided exclusively by the conveyor system (7), thereby providing a shorter working cycle while preventing deterioration of the shells as they are not compressed by the piston (9) when it pushes against the rear of the row of shells (3′).

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