A - Human Necessities – 24 – D
Patent
A - Human Necessities
24
D
A24D 3/02 (2006.01)
Patent
CA 2589741
A method and apparatus for tobacco smoke filter production wherein a train (2) of tobacco smoke filtering material, whilst continuously advanced longitudinally, is gathered towards rod shape and then shaped to and secured in rod form (57), and wherein there is discontinuous pneumatic injection of particulate additive (6) through an injector conduit (10) laterally into the gathering material to form separate additive pockets (14) embedded in and spaced along the continuously produced rod (57).
La présente invention concerne un procédé et un appareil pour la production d~un filtre dans lequel un train (2) de matière filtrante de fumée de tabac qui, tout en avançant longitudinalement, est collecté en forme de tige puis profilé et fixé en forme de tige (57) et dans lequel il existe une injection pneumatique discontinue d~additif à particules (6) à travers une conduite d~injection (10) allant latéralement dans la matière de collecte afin de former des poches distinctes d~additif (14) intégrées dans la tige produite de manière continue (57) et espacées le long de celle-ci.
Louvet Alexis
Veluz Serge
Filtrona International Limited
Moffat & Co.
LandOfFree
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