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:
Feb. 14, 1995
Filed:
Mar. 04, 1992
Werner Schneider, Quickborn, DE;
Erhard Rittershaus, Hamburg, DE;
Erwin Kausch, Jesteburg-Itzenbuttel, DE;
Horst Borowski, Hamburg, DE;
Bernd-Henrik Muller, Hamburg, DE;
Gert Rudolph, Hamburg, DE;
Adolf Schluter, Quickborn, DE;
Wolfgang Trinkies, Wedel, DE;
Wolfgang Wiethaup, Hamburg, DE;
B.A.T. Cigarettenfabriken GmbH, Hamburg, DE;
Abstract
The invention relates to a coaxial cigarette comprising a coaxial tobacco rod of a core and a rod periphery which contain different mixtures, the sheaths of the rod core and the rod periphery consisting of combustible material and a filter mouthpiece being provided at one end of the coaxial tobacco rod; according to the invention, the ratio of the draw resistance of the core per unit length to the packing density thereof lies in the range from about 0.13 to about 0.27 mm WC cm.sup.2 /mg whilst the ratio of the draw resistance per unit length of the rod periphery to the packing density thereof lies in the range of about 0.07 to about 0.11 mm WC cm.sup.2 /mg; the filter mouthpiece is a conventional preferably ventilated filter.