IT1112511B - FILTERING ELEMENT FOR CIGARETTES - Google Patents

FILTERING ELEMENT FOR CIGARETTES

Info

Publication number: IT1112511B
Authority: IT; Italy
Prior art keywords: cigarettes; filtering element; filtering
Prior art date: 1978-04-28

Application number

IT22224/79A

Other languages

Italian (it)

Other versions

IT7922224A0 (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.)

1978-04-28

Filing date

1979-04-27

Publication date

1986-01-20

1978-04-28 Priority claimed from NL7804641A external-priority patent/NL7804641A/en

1978-05-18 Priority claimed from NL7805408A external-priority patent/NL7805408A/en

1979-04-27 Application filed by Douwe Egberts Tabaksfab filed Critical Douwe Egberts Tabaksfab

1979-04-27 Publication of IT7922224A0 publication Critical patent/IT7922224A0/en

1986-01-20 Application granted granted Critical

1986-01-20 Publication of IT1112511B publication Critical patent/IT1112511B/en

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 FILTERING ELEMENT FOR CIGARETTES IT1112511B (en)

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 (en)	1979-04-27
IT1112511B true IT1112511B (en)	1986-01-20

Family

ID=26645413

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
IT22224/79A IT1112511B (en)	1978-04-28	1979-04-27	FILTERING ELEMENT FOR CIGARETTES
IT7921444U IT7921444V0 (en)	1978-04-28	1979-04-27	FILTER ELEMENT FOR CIGARETTES.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
IT7921444U IT7921444V0 (en)	1978-04-28	1979-04-27	FILTER ELEMENT FOR CIGARETTES.

Country Status (9)

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

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 (en) *	1985-05-20	1988-06-15	Tobacco Res & Dev	CIGARETTE.
GB2490732A (en) *	2011-05-13	2012-11-14	British American Tobacco Co	Filter for a smoking article
CN103485566B (en) *	2013-09-30	2016-01-20	沧州市华油飞达石油装备有限公司	A kind of movable barracks with venting of dust explosion function
GB201411619D0 (en)	2014-06-30	2014-08-13	British American Tobacco Co	Flow control device
AR108880A1 (en) *	2016-06-27	2018-10-03	Philip Morris Products Sa	ARTICLE TO SMOKE WITH ADJUSTMENT OF COMBINED VENTILATION AND FILTRATION EFFICIENCY

1979
- 1979-04-11 NL NL7902870A patent/NL7902870A/en not_active Application Discontinuation
- 1979-04-23 AU AU46271/79A patent/AU4627179A/en not_active Abandoned
- 1979-04-24 DE DE19792916431 patent/DE2916431A1/en not_active Withdrawn
- 1979-04-27 FR FR7910781A patent/FR2423992A1/en not_active Withdrawn
- 1979-04-27 IT IT22224/79A patent/IT1112511B/en active
- 1979-04-27 DK DK176379A patent/DK176379A/en unknown
- 1979-04-27 LU LU81200A patent/LU81200A1/en unknown
- 1979-04-27 BE BE2/57758A patent/BE875906A/en unknown
- 1979-04-27 GB GB7914757A patent/GB2020537A/en not_active Withdrawn
- 1979-04-27 IT IT7921444U patent/IT7921444V0/en unknown

Also Published As

Publication number	Publication date
FR2423992A1 (en)	1979-11-23
IT7922224A0 (en)	1979-04-27
GB2020537A (en)	1979-11-21
IT7921444V0 (en)	1979-04-27
DE2916431A1 (en)	1979-11-08
NL7902870A (en)	1979-10-30
DK176379A (en)	1979-10-29
AU4627179A (en)	1980-01-03
BE875906A (en)	1979-10-29
LU81200A1 (en)	1979-11-07

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