The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2004
Filed:
Feb. 14, 2003
Applicant:
Inventors:
Kenichi Zentani, Tokyo, JP;
Fumio Kubo, Tokyo, JP;
Assignee:
Japan Tobacco Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/508 ;
U.S. Cl.
CPC ...
G01N 1/508 ;
Abstract
A cigarette inspection apparatus is provided, which is capable of measuring ventilation resistances of a large number of filter cigarettes easily and accurately and which includes an inspection drum ( ) provided with part of an air-introducing unit for introducing air into a filter cigarette (C) from a non-filter side end face thereof, a measurement section ( ) provided with the rest of the air-introducing unit, pressure transducers ( ) for detecting inlet side and outlet side air pressures of the cigarette, and a data processor ( ) for determining the ventilation resistance of the cigarette based on a difference between the air pressures.