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John Dawson, Loren Duvoket, Travis Garthaffner, Rashard Thurman, Charles Gary Atwell: Compound filter rod making apparatus and process. Philip Morris USA, Connolly Bove Lodge & Hutz, June 3, 2008: US07381175 (14 worldwide citation)

Machinery and process for continuously making a compound filter rod include a tow transport for continuously delivering an expanded fiber tow while compressing the tow as it travels in a downstream direction. At least one rotating pocket wheel has a plurality of spaced apart pockets therein, and a f ...


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John Dawson, Loren Duvoket, Travis Garthaffner, Rashard Thurman, Charles Gary Atwell: Compound filter rod making apparatus and process. Philip Morris USA, Connolly Bove Lodge & Hutz, June 22, 2006: US20060135335-A1

Machinery and process for continuously making a compound filter rod include a tow transport for continuously delivering an expanded fiber tow while compressing the tow as it travels in a downstream direction. At least one rotating pocket wheel has a plurality of spaced apart pockets therein, and a f ...