EP 0528186 B1 19960904 - Coaxial filter cigarette
Title (en)
Coaxial filter cigarette
Title (de)
Koaxiale Filtercigarette
Title (fr)
Cigarette à filtre coaxiale
Publication
Application
Priority
DE 4127420 A 19910819
Abstract (en)
[origin: EP0528186A1] In a coaxial cigarette (10) with a rod part (12) having an inner core (14) of a material which burns away largely without residue, a wrapper (16) for the inner core, an outer cover (18) coaxially surrounding the inner core or the wrapper thereof, a wrapper (20) for the outer cover and a filter part (13), the slipstream smoke is effected exclusively by the embossings of a special coaxial rod type, even with omission of special papers provided with special additives, the packing density of the inner core (14) being greater than the packing density of the outer cover (18), the puffing resistance per unit length, relative to the packing density, being greater in the inner core than in the outer cover, the air permeability of the wrapper (16) of the inner core being smaller than the air permeability of the wrapper (18) of the outer cover and the filter part (13) having a degree of filter ventilation of at least 30% and a degree of retention of at least 40%. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP US)
Designated contracting state (EPC)
BE CH DE ES FR GB IT LI LU NL
DOCDB simple family (publication)
EP 0528186 A1 19930224; EP 0528186 B1 19960904; CA 2074300 A1 19930220; CA 2074300 C 20010717; DE 4127420 A1 19930225; DE 4127420 C2 19960725; DE 59207041 D1 19961010; ES 2093743 T3 19970101; HK 1005840 A1 19990129; US 5379789 A 19950110
DOCDB simple family (application)
EP 92112342 A 19920720; CA 2074300 A 19920721; DE 4127420 A 19910819; DE 59207041 T 19920720; ES 92112342 T 19920720; HK 98105016 A 19980606; US 91668592 A 19920722