Apparatus and associated method for forming a filter component of a smoking article

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United States of America Patent

PATENT NO 9854833
APP PUB NO 20130213421A1
SERIAL NO

13398449

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatuses, systems, and methods employing ultrasonic bonding to form filter elements for smoking articles are provided. Ultrasonic bonding can be employed to bond the fibers of filter material defining bloomed tow. Use of a plasticizer may not be necessary. Further, filter materials such as polylactic acid, which may not be bonded via a plasticizer, may be employed. However, triacetin or other additional components may be employed to provide the filter element with a desirable sensory attribute in some embodiments. Ultrasonic bonding may be conducted by an ultrasonic bonder that includes an anvil defining a pattern thereon that is selected to define a desired degree of bonding, and thereby a resulting desired firmness and/or pressure drop associated with the filter element.

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Patent Owner(s)

  • R. J. REYNOLDS TOBACCO COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ademe, Balager Winston Salem, US 74 2523
Crooks, Evon L Mocksville, US 21 910
Henderson, Calvin W Lewisville, US 10 716

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