B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/180
B29C 35/02 (2006.01) B29D 30/06 (2006.01) G05D 23/19 (2006.01)
Patent
CA 1311096
APPARATUS AND PROCESS FOR VULCANIZING, ADJUSTED FOR GREEN TIRE TEMPERATURE, WITHOUT LOCATING POINT OF LAST CURE ABSTRACT OF THE DISCLOSURE A curing press for tires is operated with a minimum curing time which will provide the near-optimum number of cure equivalents at the point of least cure without locat- ing it. An average temperature for a particular period during the year is "set" in a programmable controller ("PC") based on minimum and maximum temperature measure- ments made in the curing room during the day and night over a preselected period of time. The actual ambient temperature is measured at the press, which temperature is essentially that of the green tire just before it is loaded in the press. The PC controls operation of the press, and is used to provide a near-optimum but variable curing period, depending upon the difference between the "set" temperature and the actual (green tire) temperature, and whether it is greater than, or less than the "set" temperature, to provide a near-perfect cure without track- ing the point of least cure.
549036
Keryan Michael J.
Mattson William F.
Swabey Ogilvy Renault
Uniroyal Goodrich Canada Inc.
Uniroyal Goodrich Licensing Services Inc.
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