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Apparatus for measuring a property of a cigarette paper wrapper and associated method

a technology of paper wrappers and apparatuses, applied in the field of apparatuses for measuring the properties of paper materials, can solve the problems of inability to describe an apparatus suitable for measuring small band areas of samples, high relative errors, and high variability

Inactive Publication Date: 2005-04-28
SODIM INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method may also be undesirably subject to high relative errors and high variability for small sample areas and low flow rates.
However, this reference does not describe an apparatus suitable for measuring small band areas of a sample.
However, such a method is undesirably limited by destruction of the sample and the amount of time required to perform the test.

Method used

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  • Apparatus for measuring a property of a cigarette paper wrapper and associated method
  • Apparatus for measuring a property of a cigarette paper wrapper and associated method
  • Apparatus for measuring a property of a cigarette paper wrapper and associated method

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Embodiment Construction

[0015] The present inventions now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, these inventions may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements. Like numbers refer to like elements throughout.

[0016]FIG. 1 schematically illustrates an apparatus, indicated generally by the numeral 10, adapted to measure a property of a cigarette paper wrapper according to one embodiment of the present invention, wherein the apparatus 10 may be used, for example, to evaluate various types of paper wrapping materials and treated wrapping materials as disclosed in U.S. Patent Application Publication No. 2003 / 0131860 to Ashcraft et al., which is incorporated herein in its entirety by reference. Such an apparatus 10 comp...

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Abstract

An apparatus for measuring a property of a cigarette paper wrapper is provided and includes a sampling device having a first chamber portion capable of being engaged with a corresponding second chamber portion to define a sampling area configured to receive the wrapper such that the wrapper spans the sampling area and separates the chamber portions. A first gas source supplies a carrier gas to the first chamber portion and a second gas source supplies a detectable gas to the second chamber portion. An analyzer device in communication with the first chamber portion receives a resultant gas flow that includes the carrier gas and any of the detectable gas entering the first chamber portion through the wrapper. The analyzer device is capable of determining an amount of the detectable gas in the resultant gas flow so as to thereby determine a property of the cigarette paper wrapper, such as a diffusion coefficient with respect to the detectable gas. An associated method is also provided.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to smoking articles and, more particularly, to an apparatus for measuring a property of a paper material suitable for use as components of such smoking articles. [0003] 2. Description of Related Art [0004] Popular smoking articles, such as cigarettes, have a substantially cylindrical rod shaped structure and include a charge, roll or column of smokable material such as shredded tobacco (e.g., in cut filler form) surrounded by a paper wrapper thereby forming a so-called “tobacco rod.” Normally, a cigarette has a cylindrical filter element aligned in an end-to-end relationship with the tobacco rod. Typically, a filter element comprises plasticized cellulose acetate tow circumscribed by a paper material known as “plug wrap.” Certain cigarettes incorporate a filter element having multiple segments, and one of those segments can comprise activated charcoal particles. Typically, the filter el...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A24C5/32G01N7/10
CPCG01N13/00G01N2015/084G01N2013/003
Inventor NORMAN, ALAN BENSONCAUDLE, JASON CRAIG
Owner SODIM INSTR
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