Molding machine and a pattern carrier used therefor

Details Molding machine and a pattern carrier used therefor Molding machine and a pattern carrier used therefor

2007-07-03

2007-07-03

Tran, Len (Department: 1725)

Metal founding

Process

Shaping a forming surface

C164S200000, C164S239000

Reexamination Certificate

active

10968999

ABSTRACT:
In a molding machine, foundry sand thrown into a molding space defined by a pattern plate and flask members is compressed in two steps. Namely, in the first step a lower subsidiary flask is stationary while in the second step the flask is movable. The pattern carrier molding machine comprises a molding base, flask-setting cylinders, a lift-support frame, and a segment-squeeze sand hopper. The auxiliary flask62of the compact pattern-plate carrier is installed movably up and down through a plurality of upward oil cylinders63,63that are expanded/contracted via special oil cylinders64,65operated by outside cylinders68,69.

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