A hot knife assembly for cutting excess organic polymeric material from a thermal forming mold includes a blade like knife in the form of a thin flat plate having {TAIL ~ an inner edge} connected to a heater and {HEAD ~ an outer edge} with a cutting surface thereon 
A hot knife assembly for cutting excess organic polymeric material from a thermal forming mold includes a blade like knife in the form of a thin flat plate having { TAIL ~ an inner edge } connected to a heater and { HEAD ~ an outer edge } with a cutting surface thereon
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