Method and mold assembly for making a molded foam article

Details Method and mold assembly for making a molded foam article Method and mold assembly for making a molded foam article

2007-05-10

2009-06-30

Griffin, Steven P (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

C264S045100, C264S046600, C264S292000, C053S427000

Reexamination Certificate

active

07553437

ABSTRACT:
A mold assembly for making a molded foam article generally includes a housing having an internal cavity and an opening into the cavity, a movable support member movable between an inner position and an outer position, an object supported by the support member and having a three-dimensional shape, and a closure. A method for making a molded foam article generally includes moving the support member to the outer position, positioning a film web over the object to form a substantially convex envelopment, moving the support member to the inner position while maintaining the film web in contact with the object to reconfigure the substantially convex film envelopment into a partially concave film envelopment, and dispensing a predetermined amount of a foamable composition into the hollow space provided by the concave envelopment.

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