Invention Grant
- Patent Title: Opposed seam electrically heated cigarette smoking system
- Patent Title (中): 相对接缝电加热吸烟系统
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Application No.: US11634073Application Date: 2006-12-06
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Publication No.: US07690385B2Publication Date: 2010-04-06
- Inventor: Robert H. Moffitt
- Applicant: Robert H. Moffitt
- Applicant Address: US VA Richmond
- Assignee: Philip Morris USA Inc.
- Current Assignee: Philip Morris USA Inc.
- Current Assignee Address: US VA Richmond
- Agency: Buchanan Ingersoll & Rooney PC
- Main IPC: A24C5/47
- IPC: A24C5/47 ; A24C5/58

Abstract:
An electrically heated cigarette smoking system includes a cigarette that is formed with a tobacco rod portion, a filter tube portion, a tobacco mat layer wrapped around the tobacco rod portion and the filter tube portion with opposite ends of the tobacco mat layer abutting along a seam parallel to the central axis of the cigarette and cigarette paper wrapped around the tobacco mat layer and bonded to itself along an overlapped seam that is offset from the seam of the tobacco mat layer. The method of manufacturing the cigarette includes wrapping the tobacco mat layer and the cigarette paper around the tobacco rod portion and the filter tube portion on a single, high-speed machine.
Public/Granted literature
- US20070240729A1 Opposed seam electrically heated cigarette smoking system Public/Granted day:2007-10-18
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