IT7921444V0 - Elemento filtrante per sigarette. - Google Patents

Elemento filtrante per sigarette.

Info

Publication number
IT7921444V0
IT7921444V0 IT7921444U IT2144479U IT7921444V0 IT 7921444 V0 IT7921444 V0 IT 7921444V0 IT 7921444 U IT7921444 U IT 7921444U IT 2144479 U IT2144479 U IT 2144479U IT 7921444 V0 IT7921444 V0 IT 7921444V0
Authority
IT
Italy
Prior art keywords
cigarettes
filter element
filter
Prior art date
Application number
IT7921444U
Other languages
English (en)
Original Assignee
Douwe Egberts Tabaksfab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NL7804641A external-priority patent/NL7804641A/xx
Priority claimed from NL7805408A external-priority patent/NL7805408A/xx
Application filed by Douwe Egberts Tabaksfab filed Critical Douwe Egberts Tabaksfab
Publication of IT7921444V0 publication Critical patent/IT7921444V0/it

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/04—Tobacco smoke filters characterised by their shape or structure
    • A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter
IT7921444U 1978-04-28 1979-04-27 Elemento filtrante per sigarette. IT7921444V0 (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7804641A NL7804641A (en) 1978-04-28 1978-04-28 Cigarette filter tip mouthpiece - has passage through filter opened by excessive suction to act as by=pass
NL7805408A NL7805408A (en) 1978-05-18 1978-05-18 Cigarette filter tip mouthpiece - has passage through filter opened by excessive suction to act as by=pass

Publications (1)

Publication Number Publication Date
IT7921444V0 true IT7921444V0 (it) 1979-04-27

Family

ID=26645413

Family Applications (2)

Application Number Title Priority Date Filing Date
IT7921444U IT7921444V0 (it) 1978-04-28 1979-04-27 Elemento filtrante per sigarette.
IT22224/79A IT1112511B (it) 1978-04-28 1979-04-27 Elemento filtrante per sigarette

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT22224/79A IT1112511B (it) 1978-04-28 1979-04-27 Elemento filtrante per sigarette

Country Status (9)

Country Link
AU (1) AU4627179A (it)
BE (1) BE875906A (it)
DE (1) DE2916431A1 (it)
DK (1) DK176379A (it)
FR (1) FR2423992A1 (it)
GB (1) GB2020537A (it)
IT (2) IT7921444V0 (it)
LU (1) LU81200A1 (it)
NL (1) NL7902870A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357950A (en) * 1980-05-27 1982-11-09 American Filtrona Corporation Tobacco smoke filter having improved tar/carbon monoxide ratio
CH665756A5 (de) * 1985-05-20 1988-06-15 Tobacco Res & Dev Zigarette.
GB2490732A (en) 2011-05-13 2012-11-14 British American Tobacco Co Filter for a smoking article
CN103485566B (zh) * 2013-09-30 2016-01-20 沧州市华油飞达石油装备有限公司 一种带有泄爆功能的活动营房
GB201411619D0 (en) 2014-06-30 2014-08-13 British American Tobacco Co Flow control device
AR108880A1 (es) 2016-06-27 2018-10-03 Philip Morris Products Sa Artículo para fumar con ajuste de la eficiencia de ventilación y filtración combinadas

Also Published As

Publication number Publication date
IT7922224A0 (it) 1979-04-27
LU81200A1 (de) 1979-11-07
DK176379A (da) 1979-10-29
BE875906A (nl) 1979-10-29
GB2020537A (en) 1979-11-21
AU4627179A (en) 1980-01-03
DE2916431A1 (de) 1979-11-08
FR2423992A1 (fr) 1979-11-23
IT1112511B (it) 1986-01-20
NL7902870A (nl) 1979-10-30

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