Molded product manufacturing apparatus and methods

Details Molded product manufacturing apparatus and methods Molded product manufacturing apparatus and methods

D - Textiles, Paper

21

J

D21J 3/00 (2006.01) D21J 5/00 (2006.01) D21J 7/00 (2006.01)

Patent

CA 2156285

An improved flexible manufacturing process for making molded fiber products uses a molding machine (100) provided with a large number of ports for mounting a variety of molds. Quick release mold attachments (306) permit rapid changeover of production output. Using separate positive air supply lines, a novel air volume and flow control method is provided to control the volume of air applied to release products from transfer molds (208), permitting manufacture of a variety of complex structures. The air flow controls (320, 322, and 220) permit control of both the rate of flow and the duration of the selected rate of flow of positive pressure air, thus providing total volume control. A variable height conveyor (118) is provided to receive molded structures and products dropped from the transfer molds of the upper platen (204) to accomodate a variety of widths and depths of products in a particular run.

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