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TRUSEAL/BESTEN: Gas Filling Machine
August 9, 2004
TruSeal Technologies, Inc. and Besten, Inc. recently collaborated to develop a unique semi-automatic gas filling machine for IG units. Named Quik-Dose, this innovative machine rapidly fills IG units with liquid gas (argon, krypton, etc.) for better thermal and sound insulation properties. The patent pending technology of Quik-Dose reduces unit-dosing time during the IG manufacturing process from two minutes to as little as three-and-a-half seconds by injecting liquid gas. Therefore, Quik-Dose helps reduce gas and labor costs, as well as increase unit throughput (cycle time), for most manufacturers. In addition, the unit allows gas filling to become an in-line process, further improving cycle times. Filling with liquid gas is much faster than filling with conventional compressed gas cylinders, as equivalent IG volumes of liquid gas are quickly dosed to the bottom of a unit, via gravity, with fewer of the waste and turbulence effects normally associated with the quickest conventional methods. Upon a droplet's contact with the sill edge of a vented IG unit (approximately 1 cu. in. for a typical IG unit), the liquid boils into its gaseous state, displacing the lighter, moist air. The displaced air exits through the top edge's perimeter vent, a feature made possible by TruSeal's flexible spacer technologies.