Apparatus and method for applying strips of thermoplastic...

Details Apparatus and method for applying strips of thermoplastic... Apparatus and method for applying strips of thermoplastic...

2009-02-12

2011-11-15

Goff, John (Department: 1746)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S071000, C156S297000

Reexamination Certificate

active

08057631

ABSTRACT:
A method for applying thermoplastic strips to thermoplastic membranes, the method comprising applying a first strip to a membrane, providing apparatus comprising a housing having drive wheels thereon, a guide assembly fixed to the housing and comprising a first pair of guide wheels for disposition around the first strip and a second pair of guide wheels for disposition around a second strip to guide the second strip to a welding station mounted on the apparatus to heat weld the second strip to the membrane, mounting the first pair of guide wheels on the first strip, mounting the second pair of guide wheels on the second strip, moving the housing on the drive wheels, the first pair of guide wheels riding along the first strip and the second pair of guide wheels channeling the second strip therebetween and into the welding station for attachment to the membrane by the heat weld, the second strip thereby extending equidistantly from the first strip.

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