Patent ID: 6272885
Filing Date: 2001-08-14
Classification: C03B

Abstract:
Apparatus for controlling flow of glass through a discharge orifice, which comprisesa module including:a first frame for disposition in fixed position adjacent to the orifice,a second frame movably mounted on said first frame, with said first frame including means for guiding motion of said second frame in a vertical direction,a servo motor mounted on said first frame, anda lead screw extending from said servo-motor and coupled by a nut to said second frame;a cabinet surrounding and enclosing said module, said cabinet having a vertical wall for disposition adjacent to said orifice and a vertically elongated opening in said wall;a heat shield carried by said second frame of said module interiorly adjacent to said vertical wall covering said vertically elongated opening to reduce entry of heat into said cabinet through said opening;a plunger arm cantilevered from said second frame for disposition over the orifice; andmeans on a free end of said plunger arm for suspending a plunger from said arm.