Coin guard for coin protection

Claim 1

In a device for protectively encasing and packaging coins for handling and display, comprising a generally rectangular hollow housing having one end elevated and being offset downwardly, intermediate the ends, thereof to provide a generally flat horizontal work surface below said elevated end, a generally rectangular forming member pivotally mounted to said elevated end and elevatable relative to said work surface, generally circular resilient pad means arranged on said forming member, insulation means flatly arranged on said work surface and having a generally centrally disposed coin receiving area, a plurality of heating coils arranged in said insulation means and spacedly encircling said coin receiving area, said device adapted to support a first thermoplastic sheet flatly disposed on said insulation means, a coin generally centrally flatly arranged on said first sheet, and a second thermoplastic sheet superposed on said coin and generally coinciding with said first sheet, whereby when said forming member is pivotally lowered relative to said work surface said pad means will engage and compress said second and first sheets and the coin therebetween against said insulation means and a heating coil thereof, a main switch means connected to a power source, and selector switch means for selectively energizing said coils, transformer means in said housing having primary and secondary windings, means coupling said secondary winding to said selector switch means, and means connecting said primary winding to said main switch for energizing a preselected one of said heating coils to encirclingly thermally bond said sheets together and encase said coin therebetween in a package conforming to the size of coin.