Platen

Details Platen Platen

2006-07-25

2006-07-25

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Miscellaneous

C100S295000, C156S580000, C425S595000

Reexamination Certificate

active

07080978

ABSTRACT:
A platen (50) for a molding machine includes an intermediate support structure (20) between two planar walls (16, 18) having ribs (40) arranged at a non-normal angle β to a first wall (18). The ribs (40) couple forces from the first wall (18) to the second wall (16) in such a way that bending of the second wall (16) is resisted. This adds to the rigidity of the second wall (16) and hence the platen (50), adding to flatness of the arrangement. Gussets (42) may be provided extending between the ribs (40) and the intermediate support structure (20). This has the effect of surrounding and supporting an injection bore (14) and further adding to the coupling of forces to the edge portions of the second wall (16) to resist forces acting to bend the wall.

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International Preliminary Examination Report for PCT/CA2004/000348, dated Jun. 28, 2005.

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