Patent ID: 6332304
Filing Date: 2001-12-25
Classification: B29C,E04B,E04C

Abstract:
A method of encapsulating single open frame light gage steel panels, which comprise the following steps:(a) Taking a pre-fabricated, pre-assembled, light gage steel framework panel, that meets applicable structural building codes, with pre-installed electrical components, raceway and outlet boxes, and basic plumbing requirements;(b) Placing the pre-fabricated steel framework into a predesigned Clamshell Jig Fixture;(c) Positioning the framework in such a way as to allow for a 5/8 inch gap on one side of the panel and 1.00 inch gap on the other side of the panel, using selected spacers;(d) Installing into the jig fixture a door or window filler if required in the panel design;(e) Installing teflon attaching hardware fillers;(f) Closing the Clamshell which is self sealing;(g) Inserting a polyurethane injection wand from a injection machine, into the closed Clamshell in the required injection hole openings;(h) Turning on the injection machine and injecting the two part foam into the Clamshell, filling all the vacant or open internal areas with the foam;(i) After the polyurethane foam is cured, approximately 3 to 5 minutes, remove the encapsulated panel from the Clamshell;(j) Last, trimming off any amounts of excess foam from the panel, which is a finished polyurethane foam panel.