Filter element controlled intake and efficiency for smoking articles.

1988 
A nonwoven STRANDED FIBERS COMPRISING THERMOPLASTIC FILAMENTS FUNDIDOS predominantly present as binders (32) or regions (34) FUSED FIBER MULTIPLES. TALES ALOMERANTES (32) in the tissue acts as COLUMNS and impart the desired degree of strength and endurance driving. IN FABRICS ABOVE WHERE Contracte such binders have been considered undesirable TISSUES present invention find particular utility WHEN IN ROLLS FORMED as filters for smoking articles. SMOKING IN ARTICLES the invention, the filters have a desired pressure drop while demonstrating an unexpected degree of FIRMLY ALL at a cost economically attractive. PREFERRED EMBODIMENTS include those where the strength of machine direction to cross the machine direction TAKES ON TENSION RATIOS RANFO from 1: 1 to 1: 1 and the fibers and filaments are made of polypropylene. Other embodiments include FABRICS AND ADDITIVES FILTROSCONTENIENDO distributed throughout the tissue.
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