C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 9/41 (2006.01) C03B 7/10 (2006.01)
Patent
CA 2235451
In an individual section (IS) machine glassware forming system that includes a gob distributor for delivering glass gobs to individual machine sections in sequence, blank molds at each machine section for forming gobs into blanks and blow molds at each machine section for forming the blanks into hollow glass containers, apparatus for timing arrival of the gobs at each machine section and terminating operation of a section in the event of an imminent gob misload comprises gob sensors and associated electronics for determining gob arrival timing at each machine section. The gob arrival timing so determined is compared to a preset shut-down limit at each machine section. Operation of the blank molds at a machine section is immediately terminated when gob arrival timing at that section exceeds the preset limit, while the blow molds and ware transfer mechanisms for that section are permitted to complete an operating cycle. In this way, damage to the blank molds and generation of tramp glass are prevented while the section is cleared of acceptable glassware. After the potentially misloaded glass is cleared and any necessary repairs are made, the machine section may be restarted employing normal restart techniques. Operation at the other machine sections continues without interruption.
Hayes Dan M.
Schwartz Stephen M.
Slifco John M.
Welker Mathias P.
Gowling Lafleur Henderson Llp
Owens-Brockway Glass Container Inc.
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