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IT1112511B - Elemento filtrante per sigarette - Google Patents

Elemento filtrante per sigarette

Info

Publication number
IT1112511B
IT1112511B IT22224/79A IT2222479A IT1112511B IT 1112511 B IT1112511 B IT 1112511B IT 22224/79 A IT22224/79 A IT 22224/79A IT 2222479 A IT2222479 A IT 2222479A IT 1112511 B IT1112511 B IT 1112511B
Authority
IT
Italy
Prior art keywords
cigarettes
filtering element
filtering
Prior art date
Application number
IT22224/79A
Other languages
English (en)
Italian (it)
Other versions
IT7922224A0 (it
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 IT7922224A0 publication Critical patent/IT7922224A0/it
Application granted granted Critical
Publication of IT1112511B publication Critical patent/IT1112511B/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
IT22224/79A 1978-04-28 1979-04-27 Elemento filtrante per sigarette IT1112511B (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 (2)

Publication Number Publication Date
IT7922224A0 IT7922224A0 (it) 1979-04-27
IT1112511B true IT1112511B (it) 1986-01-20

Family

ID=26645413

Family Applications (2)

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

Family Applications After (1)

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

Country Status (9)

Country Link
AU (1) AU4627179A (xx)
BE (1) BE875906A (xx)
DE (1) DE2916431A1 (xx)
DK (1) DK176379A (xx)
FR (1) FR2423992A1 (xx)
GB (1) GB2020537A (xx)
IT (2) IT1112511B (xx)
LU (1) LU81200A1 (xx)
NL (1) NL7902870A (xx)

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
DE3616617A1 (de) * 1985-05-20 1986-11-20 Tobacco Research and Development Institute Ltd., Zug 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
DE2916431A1 (de) 1979-11-08
IT7921444V0 (it) 1979-04-27
LU81200A1 (de) 1979-11-07
IT7922224A0 (it) 1979-04-27
FR2423992A1 (fr) 1979-11-23
DK176379A (da) 1979-10-29
BE875906A (nl) 1979-10-29
GB2020537A (en) 1979-11-21
NL7902870A (nl) 1979-10-30
AU4627179A (en) 1980-01-03

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