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专利名称：IMPROVEMENTS IN OR RELATING TO A
FILTER
发明人：JAKE GOLDSMITH,ENDA KEAVENEY申请号：AU2002356304申请日：20021219
公开号：AU2002356304A1公开日：20030730
摘要：A sheet of cigarette filter material (4) is provided adapted to be rolled, or tohave a portion thereof rolled, to form a cylindrical cigarette filter. The sheet may beattached to a pack (1) of cigarette papers to use when hand rolling a cigarette. It may betorn along lines (7, 8, 9, 10). The filter material may be a fibrous material or porous cork.The lower surface may be planar and the upper surface may have parallel saw toothridges (22, 23, figure 2), be planar (figure 4) or be provided with a semi-circular ridge (35)at one edge (figure 6). Alternatively the filter material may comprise an imperviousbacking sheet carrying on one surface a plurality of upstanding fibres (42, figure 8).
申请人：FIRST MAN STANDING LTD
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