Smoking rod wrapper
AssigneeGallaher Limited
InventorsClement G. Smeed, Shane C. Browning
Life of this patent
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Abstract
A cigarette rod wrapper is cut from a paper web which is preprinted on its outer surface firstly with brand legend (33) and longitudinally spaced registration markings (32), and then on its inner face with a profiled deposit (34) of an additive such as a nicotine component. The registration markings (32) are used both to ensure longitudinal registration of the printed deposit (34), and in the rod making machine to ensure that the tobacco rod is cut at the correct position. The registration marking (32) is covered in use by a tipping wrapper (43) which unites the tobacco rod with a filter element (42).
Claims21
A method of processing a web of smoking rod wrapper suitable for filter tip cigarettes, said web having opposed first and second surfaces, wherein said web is passed through initial and final printing stations in series, and then reeled up for subsequent use on a continuous smoking rod-making machine;
- said web being printed at said initial printing station on said first surface with a regularly longitudinally spaced registration marking, and being printed at said final printing station and on said second surface with a repetitive regularly spaced pattern of a deposit containing at least one additive selected from a group comprising a burn control agent, a smoke producing agent, a smoke nucleation agent, a flavoring agent, and a physiologically active agent, said pattern being repeated on successive sectional web lengths comprising one or more smoking rod lengths of web, said registration markings being printed at least one end of said sectional lengths and having a dimension in the longitudinal direction of said web such that at least after cutting said web into individual smoking rod lengths, said marking dimension is small enough to be covered by the overlap of a conventionally applied tipping wrapper.
A printing machine for processing a web of smoking rod wrapper, said web having opposed first and second surfaces, said machine comprising an unwind wheel adjacent to a first end of said machine;
- initial and final printing stations in series;
- means for passing said web through said initial and final printing stations, said initial printing station being adapted to print on said first surface of said web a regularly longitudinally spaced registration marking, and said printing station being adapted to print on said second surface of said web a repetitive regularly spaced pattern of a deposit containing at least one additive selected from the group comprising a burn control agent, a smoke producing agent, a smoke nucleation agent, a flavouring agent and a physiologically active agent;
- a rewind wheel adjacent to a second end of said machine for reeling up said web for subsequent use on a continuous smoking rod-making machine;
- and a drier station extending substantially along the full length of said machine;
- said initial printing station being located to the side of said final printing station nearer to said second end of said machine.
A filter tip cigarette comprising a smoking rod connected end to end with a filter element by a tipping wrapper which surrounds said filter element and overlaps the adjacent end of said smoking rod, said smoking rod comprising a filler with a tubular wrapper which has printed on the inner surface thereof a pattern of a deposit containing an additive for improving the smoking qualities of said cigarette, and which has printed on the outer surface thereof at the end thereof adjacent to said filter element a registration marking which is covered by the overlap of said tipping wrapper.
Dependencies are inferred from the claim text.