Abstract: The apparatus includes a work supporting table for receiving a glass assembly, and aligning apparatus for properly orienting and aligning the glass panels and spacers of the glass assembly relative to each other and relative to a sealant applying nozzle. A clamping assembly is provided to clamp the glass assembly and maintain it in its properly aligned position so that the sealant material can be applied to the edge of the glass assembly. A sealant applying head is mounted for movement relative to an edge of the workpiece which includes a nozzle assembly for applying sealant material to the workpiece as it moves relative to it. The sealant applying head is driven by a motor and chain arrangement and carries a sensor for sensing the edge of the glass. In response to reaching the end of the glass assembly, the sensor actuates a reversal of the driving motor to reverse the movement of the sealant applying head so that it is returned to its initial position.

Abstract: Apparatus is provided for heating and extruding fluid sealant material onto a work surface which includes a heated feed chamber, a heated hose connected to the outlet of the feed chamber, and a handgun connected to the heated hose for applying the fluid sealant material onto the work surface. The feed chamber is provided with an opening for receiving sealant material is a solid bulk form and an outlet for dispensing sealant material in a fluid state. Heating coils are disposed on the outer walls of the feed chamber for heating the bulk sealant contained therein to a fluid state having a pumpable viscosity. The hose connected to the outlet of the feed chamber receives the fluid sealant material dispensed therefrom, and a heating coil surrounds the hose to maintain the sealant material passing therethrough in a fluid state.