C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/085 (2006.01) C03B 7/086 (2006.01) C03B 37/08 (2006.01)
Patent
CA 2196251
A multiple orifice glass feed system for use with a glass forehearth including a plurality of closely spaced plungers, each of which is individually supported independently of the other. Each plunger includes a servo controlled linear actuator and an arm extending between each plunger and its respective servo-motor. Each servo-motor has an axis parallel to the axis of the plungers. An air spring is associated with each plunger for balancing the weight of each plunger and its respective arm. The center lines of the plungers lie generally in a plane. The arms have the major portions thereof generally parallel and closely spaced. A feedback system is provided to monitor the position of each individual needle independently of the other at all times and make corrections to the actual position of the needle if desired.
Système d'alimentation en verre doté de plusieurs orifices et destiné à un avant-creuset. Le système comporte plusieurs pistons placés à proximité les uns des autres, chacun disposant de son propre support. Chaque piston comprend un actionneur linéaire à servomoteur. Un arbre est monté entre chaque piston et son servomoteur respectif. L'axe de chaque servomoteur est parallèle à l'axe du piston auquel il est associée. Les pistons disposent tous d'un ressort pneumatique permettant d'équilibrer le poids du piston et de son arbre respectif. Les pistons sont généralement tous montés dans un même plan. Les portions principales des arbres sont généralement rapprochées les unes des autres et montées en parallèle. Un système de rétroaction surveille en permanence la position de chacune des aiguilles et apporte les corrections désirées.
Difrank Frank J.
Leidy D. Wayne
Gowling Lafleur Henderson Llp
Owens-Brockway Glass Container Inc.
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