B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/72 (2006.01) B08B 3/04 (2006.01)
Patent
CA 2522226
The invention includes a calibrator washer apparatus and a method for cleaning extrusion calibrators such as a calibrator used in the extrusion of a hollow, thin walled polyvinyl profile for use in the fenestration industry. The inventive calibrator cleaning method involves scrubbing the interior calibration surface of the calibrator with a bristle brush, pumping a hot water and detergent cleaning fluid through the calibrator vacuum ports that connect to the vacuum slots in the interior calibration surface, pumping hot water through calibrator vacuum ports that connect to the vacuum slots in the interior calibration surface to rinse off the detergent. The method may further include running cool water through the calibrator vacuum ports to cool the calibrator and wiping down the cleaned calibrator with a water-displacing lubricant. The inventive calibrator washer includes a cleaning fluid tank containing a cleaning fluid, a rinse fluid tank containing a rinse fluid, a main washer tank which is consecutively supplied with and contains the wash fluid and then is supplied with and contains the rinse fluid, at least one main pump that consecutively pumps the cleaning fluid and then the rinse fluid from the main washer tank through a calibrator and back into main washer tank, and a transfer pump to consecutively empty the main washer tank of the cleaning fluid and return the cleaning fluid to the cleaning fluid tank and to empty the main washer tank of the rinse fluid and return it to the rinse fluid tank.
Mikron Industries Inc.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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