B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/100
B28B 7/36 (2006.01) B28B 11/04 (2006.01)
Patent
CA 1080449
INVENTOR . PAUL RITTER TITLE METHOD OF FORMING MOULDED ARTICLES ABSTRACT OF THE DISCLOSURE Disclosed is a method of forming a moulded article having at least a portion of a mould form from an expanded polystyrene thereafter treating the moulded face of the expanded polystyrene to form a textured or patterned surface. Then, a colour composition is applied to the moulding surface of the expanded polystyrene and the mould is filled with concrete or the like. Upon solidification the concrete an organic solvent of expanded polystyrene is applied wherein a portion of the solution of the solvent and polystyrene is caused to remain on the moulded article. The amount of this solution remaining is controlled by the amount of solvent applied to the expanded polystyrene thereby permitting the solvent to evaporate from the solution remaining on the moulded article to form a coloured glazed finish thereon.
245021
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