Apparatus and method for sealing a mold box

Details Apparatus and method for sealing a mold box Apparatus and method for sealing a mold box

B - Operations, Transporting

29

C

B29C 41/18 (2006.01) B29C 33/00 (2006.01)

Patent

CA 2094689

P-556 APPARATUS AND METHOD FOR SEALING A MOLD BOX ABSTRACT An apparatus (10) for molding a thin-wall plastic shell includes a powder box (12) and a mold box (14). The powder box (12) is positioned to an operative position wherein an opening (18) in the powder box (12) is brought in proximity to the mold surface (20) of the mold. A contoured selective charge application panel (36) has a gasket ( 30) about the end thereof and the selective charge application panel (36) is extended vertically from the opening (18) at variable heights to perfect a sealed surface at the opening (18) and the periphery (22) of the mold surface (20) to mask verti- cally extending waste surfaces (14a, 14b).

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