Patent ID: 8399805
Filing Date: 2013-03-19
Classification: A42B,B60S,F21S,H05B

Abstract:
1. An anti-fogging device having a laminated sandwich construction, comprising: a first flexible sheet of substantially transparent material; a second flexible sheet of substantially transparent material; a heater element interposed between the first and second flexible sheets; the first and second sheets being laminated together with the heater element sandwiched therebetween to provide a laminated member; the heater element itself not being light-transmissive; an adhesive layer of thickness at least 15 μm interposed, with the heater element, between the first and second flexible sheets; an upstanding adhesive element extending outwardly from one of the flexible sheets and disposed substantially all the way around and on a periphery of the laminated member for adhering the the laminated member to a viewing member thereby defining an air gap between the viewing member and the laminated member; and a releasable backing sheet covering a portion of the upstanding adhesive element not disposed on the laminated member.