IMPROVEMENTS RELATING TO SMOKING ARTICLES
A smoking article mouthpiece comprises a smoke passage and a ventilation air duct, both of which extend from end-to-end of the mouthpiece. The duct is of a depth of 25% or more of the diameter of the mouthpiece. When the mouthpiece is incorporated in a smoking article such that air may enter the duc...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
21.04.1988
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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Summary: | A smoking article mouthpiece comprises a smoke passage and a ventilation air duct, both of which extend from end-to-end of the mouthpiece. The duct is of a depth of 25% or more of the diameter of the mouthpiece. When the mouthpiece is incorporated in a smoking article such that air may enter the duct, the ratio of the velocities of air and smoke is in excess of ten. The mouthpiece may also comprise a ventilation-air collection groove which extends about the element and opens into the ventilation air duct. |
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Bibliography: | Application Number: AU19850047965 |