Patent ID: 9364775
Filing Date: 2016-06-14
CPC Classification: B01D,B29C,B29K,B29L

Claim Text:
1. A method of forming a filter element comprising: introducing a mixture into a feeder, the mixture comprising a plurality of activated carbon susceptor particles and a plurality of polymeric binder particles; advancing the mixture through the feeder and into a die, the die comprising an excitation portion; while advancing the mixture through the excitation portion, inducing eddy currents in the activated carbon susceptor particles by subjecting the mixture to a high-frequency electromagnetic field, the eddy currents being sufficient to elevate the temperature of the activated carbon susceptor particles to cause adjacent polymeric binder particles to be heated to at least a softening point; binding the activated carbon susceptor particles with the heated polymeric binder particles in the die to form a coherent mass; advancing the coherent mass out of the die; and cooling the coherent mass to form the filter element.