Molding die and method for molding a molded article

Details Molding die and method for molding a molded article Molding die and method for molding a molded article

2011-06-28

2011-06-28

Gupta, Yogendra N (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Male shaping member and female mold

C425S414000, C425S418000, C264S045200, C249S082000

Reexamination Certificate

active

07967598

ABSTRACT:
A molding die and a method for molding a molded article including a foam layer made up of faces extended in a plurality of directions are provided, by which all of the faces can grow up to a predetermined expansion ratio or more. To this end, a molding die1includes a stationary die including a main die2and a slide die3movable relative to the main die2, and a movable die4. The slide die3partially faces a cavity C and can move in a direction (Y direction) different from a die clamping/die opening direction (X direction). When a foam layer a2made up of a face a21orthogonal to the die clamping/die opening direction and a face a22other than the face a21grows in the cavity C, at least the slide die3moves in Y direction, whereby both of the faces a21and a22of the foam layer a2can grow to satisfy a predetermined expansion ratio.

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