Patent ID: 7252854
Filing Date: 2007-08-07
Classification: B29C,B29K,B29L,G02B

Abstract:
1. A method for sealing a gap between a first face and a second face substantially free of entrapped air, said method comprising the following steps of: a. placing a first work piece having said first face in a rotatable vacuum chamber such that said first face is pointing downwards; b. placing a gel dispenser in said vacuum chamber such that a dispensing nozzle is pointing upwards at a central area of said first face, said gel dispenser containing unmixed gel components; c. sealing said vacuum chamber and applying a vacuum; d. maintaining said vacuum for an outgasing of said unmixed gel components through said nozzle; e. rotating said vacuum chamber together with said first work piece and said gel dispenser such that said first face is pointing upwards and said nozzle is pointing downwards; f. remotely actuating said gel dispenser such that said gel components are mixed and applied through said nozzle on said first face; g. unmaking vacuum; and h. pressing a second work piece with said second face of it substantially plane parallel towards said first face such that an excess portion of said gel applied during step f) is concentrically squeezed out of a gap formed between said first face and said second face.