Patent ID: 6453964
Filing Date: 2002-09-24
Classification: B29C,B29L,E04D,Y10T

Abstract:
Apparatus for applying strips of thermoplastic material to thermoplastic roofing membranes, the strips each having an upstanding central portion extending lengthwise thereof and opposed flange portions extending widthwise from the central portion, the apparatus comprising:a self-propelled housing having drive wheels thereon for movably supporting the housing on the membranes; a guide member mounted on said housing for positioning over one of the strips and adapted to receive the strip central portion and guide the strip into a position beneath said housing as said housing moves over the strip; and a pressure wheel mounted on said housing rearwardly of said guide member, said pressure wheel having a peripheral groove adapted to receive the strip central portion, and two peripheral edges adapted to engage the opposed flange portions of the strip.