Patent classifications
A
HUMAN NECESSITIES
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A24
TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
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A24C
MACHINES FOR MAKING CIGARS OR CIGARETTES
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5/00
Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
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A24C5/47
Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
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A24C5/476
adapted for cigars or cigarettes with a hollow mouthpiece, e.g. recess filter cigarettes
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A24C5/477
with a mouthpiece made from plastic, wood or the like
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A24C5/477

SMOKING ARTICLE WITH MOUTH END CAVITY
20190335805 · 2019-11-07 ·

A smoking article (10) comprises a tobacco rod (12) and a filter (14) connected to the tobacco rod (12). The filter (14) comprises a first filter segment (18, 20) comprising one or more breakable capsules, wherein each breakable capsule comprises an outer shell and an inner core containing an additive. The filter (14) further comprises a hollow tube segment (22) downstream of the first filter segment (18, 20) and positioned between a downstream end of the first filter segment (18, 20) and the mouth end of the filter (14). The hollow tube segment (22) defines a cavity (24) at the mouth end of the filter (14). A plug wrap (23) circumscribes the first filter segment (18, 20) and the hollow tube segment (22), wherein the plug wrap (23) has a basis weight of less than 90 grams per square metre.

Smoking article with mouth end cavity
10357057 · 2019-07-23 · ·

A smoking article (10) comprises a tobacco rod (12) and a filter (14) connected to the tobacco rod (12). The filter (14) comprises a first filter segment (18, 20) comprising one or more breakable capsules, wherein each breakable capsule comprises an outer shell and an inner core containing an additive. The filter (14) further comprises a hollow tube segment (22) downstream of the first filter segment (18, 20) and positioned between a downstream end of the first filter segment (18, 20) and the mouth end of the filter (14). The hollow tube segment (22) defines a cavity (24) at the mouth end of the filter (14). A plug wrap (23) circumscribes the first filter segment (18, 20) and the hollow tube segment (22), wherein the plug wrap (23) has a basis weight of less than 90 grams per square meter.