Patent · US Expired

Coaxial cigarette

US5388596A · kind A · utility

4Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1992
Grant dateFeb 14, 1995
Priority date
Expiry dateMar 4, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA24D1/00
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.