Mold for the preparation of reinforced reaction injection...

Details Mold for the preparation of reinforced reaction injection... Mold for the preparation of reinforced reaction injection...

B - Operations, Transporting

29

C

18/682

B29C 45/13 (2006.01) B29C 33/00 (2006.01) B29C 33/10 (2006.01) B29C 67/24 (2006.01)

Patent

CA 2011863

Mo3187 PU-330 MOLD FOR THE PREPARATION OF REINFORCED REACTION INJECTION MOLDED PRODUCTS ABSTRACT OF THE DISCLOSURE The present invention is directed to a mold for the production of reinforced reaction injection molded products comprising: i) an upper mold part, ii) a lower mold part, said parts having surface portions defining the interior of a mold cavity when said mold is in the closed position, iii) a first channel in one of said parts completely surrounding said cavity, one upper edge of said channel forming at least a portion of the outer edge of said cavity, and wherein said channel is at least partially filled with an elastomeric material, and iv) a first shear plate attached to the other of said parts in a location opposite said channel, wherein when said mold is in the closed position, said first shear plate: a) enters said first channel, b) presses against said elastomeric material, and c) presses against said outer edge, said first shear plate having one or more tapered slots therein, said slots: (1) tapering down from the surface of said first plate which is adapted to press against said elastomeric material, and (2) being capable of allowing gases to escape from said cavity when said mold is in the closed position. Mo3187

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