C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/14, 342/19
C03B 9/00 (2006.01) C03B 9/41 (2006.01) G05B 19/04 (2006.01) G05B 19/042 (2006.01)
Patent
CA 1125516
ABSTRACT A control system for a glassware forming machine which has a plurality of individual machine sections each capable of individually forming glassware articles. Each individual section includes a plurality of forming means responsive to control signals generated by an associated section control means for forming articles of glassware in a cyclic series of predetermined forming steps. The relative position of each forming step in one of the cycles is defined by "on" and "off" timing values stores in the section control means for each forming means to be utilized in the forming step. The section control means is responsive to the timing values for generating "on" and "off" control signals to respectively actuate and deactuate the associated forming means. The time between the "on" and "off" timing values for each of the forming means is known as the dwell time and this time can be changed utilizing a manual control to shift one or both of the timing values. During such a change, the section control means automatically prevents a dwell reversal by prohibiting a change which would move one of the timing values past the other one of the timing values.
319138
G. Ronald Bell & Associates
Owens-Illinois Inc.
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