Method of pulp molding

Details Method of pulp molding Method of pulp molding

D - Textiles, Paper

21

J

92/28.1

D21J 3/12 (2006.01) D21J 5/00 (2006.01)

Patent

CA 1053048

METHOD OF PULP MOLDING ABSTRACT OF THE DISCLOSURE A molded cellulosic article, such as a loudspeaker cone, is formed without an intermediate drying step by first forming a pre-form having 600 - 900% water on a water pervious wire net, inserting the pre-form directly into a hot press, and drying the pre-form to less than about 5% by weight water in the hot press at a pressure less than about 400 psi and at a temperature of 400 - 450°F.

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