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Smoking article filter with annular restrictor and downstream ventilation

Patent Number: 8109277
Publication Date: 2012-02-07
Inventors: Olegario, Raquel; Jupe, Richard; Garthaffner, Martin; Dwyer, Rowland W.; Li, San; Williams, Dwight; Braunshteyn, Michael; Karles, Georgios D.

A smoking article includes a tobacco rod adapted to produce mainstream smoke, and a filter having an upstream end portion and a downstream end portion. The filter includes a ventilated cavity and a flow restrictor segment having an impermeable insert at least partially surrounded by a tubular segment of an air transmissive material upstream of the cavity. In an embodiment, the tubular segment at least partially defines the ...

Device, assembly and method for filtering tobacco smoke from a cigarette

Patent Number: 8109276
Publication Date: 2012-02-07
Inventor: Gidding, Marinus Theodorus Franciscus Maria

The invention relates to a device for filtering tobacco smoke from a cigarette, in particular a filter cigarette, the device comprising a portable housing provided with a combustion space in which the cigarette can burn, a filter unit for filtering the tobacco smoke of a burning cigarette, at least one discharge opening for discharging filtered tobacco smoke and one or more tobacco smoke displacing units for displacing the tobacco smoke via the filter unit to the discharge opening, wherein ...

Combination smoking device and lighter

Patent Number: 8109275
Publication Date: 2012-02-07
Inventor: Bao, Fan

A pipe lighter includes a lighter apparatus coupling with an inhaler apparatus. The inhaler apparatus includes a crucible unit coupled with the housing sidewall of the lighter housing and a tubular inhaling guider extended from the crucible unit, wherein the crucible unit has a substance chamber positioned adjacent to a flame opening of the lighter apparatus for retaining a smoking substance in the substance chamber, such that the lighter apparatus is actuated to produce a flame for a ...

Smoking articles and smoking materials

Patent Number: 8104484
Publication Date: 2012-01-31
Inventors: Roberts, Stephen John; van der Lingen, Elma; Branton, Peter James

A smoking article such as a cigarette, or a smoke filter or other component thereof, comprises a catalyst for the oxidation of carbon monoxide to carbon dioxide. The catalyst comprises gold, and an oxide of zinc or titanium. Titania and mixed oxides of zinc and copper or aluminum are preferred (TiO₂, ZnO, ZnAlO_xor CuZnO_x). The gold preferably comprises species in the metallic state)(Au⁰), together with species in an oxidized state ...

Ventilated smoking article

Patent Number: 8100134
Publication Date: 2012-01-24
Inventors: Meyer, Cédric; Frédéric, Antoun; Kuersteiner, Charles

A cigarette includes a rod comprising a wrapped tobacco column that is joined to an axially aligned filter by a band of air impermeable tipping paper. The filter end of the rod is inserted into a mouthpiece having an air impermeable outer surface that comprises a ventilation tube and a second filter, separated by a mixing chamber. The ventilation tube has an air permeable annular wall that defines a central axial passage through which the rod extends. In use, the end surface of the annular ...