Patent ID: 9004130
Filing Date: 2015-04-14
Classification: B29C,B29L,E04F,Y10T

Abstract:
1. A device for sealing seams between adjoining sheets of flooring comprising: a portable, handheld seam sealing welding gun weighing no more than about 10 pounds and having a body defining a longitudinal axis and having a heating element end an opposite electrical power supply end, a sealant extruding nozzle mounted on said heating element end of said body, a roller mount having opposing ends and permanently formed into said opposite end of said body and located beneath said longitudinal axis and defining an axis of roller rotation, a narrow, seam following element oriented perpendicular to said axis of roller rotation and, together with said longitudinal axis, defining an upright plane perpendicular to said adjoining sheets of flooring and wherein said axis of roller rotation is oriented perpendicular to said upright plane, a pair of rollers mounted on said opposing ends of said roller mount and laterally spaced equidistant from said upright plane and coupled to said roller mount for rotation about said axis of roller rotation, an electrically powered propulsion system for driving said rollers in rotation to travel along said adjoining sheets of flooring in a direction away from said sealant extruding nozzle, and a switch on said seam sealing welding gun connected to said electrically powered propulsion system for alternatively actuating and deactuating said electrically powered propulsion system.