Method for coating the interior surface of a cylinder

Details Method for coating the interior surface of a cylinder Method for coating the interior surface of a cylinder

B - Operations, Transporting

65

D

B65D 23/02 (2006.01) B05D 1/00 (2006.01) B05D 1/40 (2006.01) B05D 7/22 (2006.01) F17C 1/10 (2006.01)

Patent

CA 2153590

The present invention provides a method for coating the interior surface of a cylinder (13) with a uniform, relatively thick layer of a polymeric material (37). The method includes the steps of dispers- ing a particulate polymeric material into the interior cavity of a cylinder. Any openings in the cylinder are then closed. The cylinder is then subjected to rotational movement while at the same time subject- ing the cylinder to oscillation in a verti- cal plane. The polymeric material is then heated to a temperature above the melting point of the polymeric material, and main- tained at that temperature for a time suf- ficient to coat the polymeric material onto the interior surface of the cylinder. The rotation and oscillation of the cylinder is then halted and the polymeric material is cooled.

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