Tobacco smoke filter production

Details Tobacco smoke filter production Tobacco smoke filter production

2005-12-05

2011-12-27

Tawfik, Sameh H. (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Cigarette filter making

C493S042000, C493S044000

Reexamination Certificate

active

08083658

ABSTRACT:
A method and apparatus for tobacco smoke filter production wherein a train of tobacco smoke filtering material, while being continuously advanced longitudinally, is gathered towards rod shape and then shaped to and secured in rod form, and wherein there is discontinuous pneumatic injection of particulate additive through an injector conduit laterally into the advancing gathering material to form separate additive pockets embedded in and spaced along the continuously produced rod.

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International Search Report and Written Opinion dated Mar. 1, 2006.

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