ES279887U - Filtro para cigarrillos. - Google Patents

Filtro para cigarrillos.

Info

Publication number
ES279887U
ES279887U ES1983279887U ES279887U ES279887U ES 279887 U ES279887 U ES 279887U ES 1983279887 U ES1983279887 U ES 1983279887U ES 279887 U ES279887 U ES 279887U ES 279887 U ES279887 U ES 279887U
Authority
ES
Spain
Prior art keywords
filter rod
grooves
air
flowing
filter
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
ES1983279887U
Other languages
English (en)
Other versions
ES279887Y (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brown and Williamson Holdings Inc
Original Assignee
Brown and Williamson Tobacco Corp
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
Application filed by Brown and Williamson Tobacco Corp filed Critical Brown and Williamson Tobacco Corp
Publication of ES279887U publication Critical patent/ES279887U/es
Application granted granted Critical
Publication of ES279887Y publication Critical patent/ES279887Y/es
Expired legal-status Critical Current

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
    • 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
    • A24D3/043—Tobacco smoke filters characterised by their shape or structure with ventilation means, e.g. air dilution

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

Filtro para cigarrillos, caracterizado porque comprende: (a) una columna porosa de filtro de configuración generalmente cilíndrica; (b) una envoltura impermeable al aíre que se extiende longitudinalmente a lo largo de la columna de filtro desde uno de sus extremos al otro extremo y circunscribiendo la columna, saliendo flujo a través de los extremos opuestos de la columna de filtro; estando la envoltura formada con al menos una ranura adosada en la columna de filtro, estando abierta la ranura o ranuras en un extremo de la columna de filtro y extendiéndose desde ahí en una dirección generalmente longitudinal de la columna de filtro en una distancia menor que la longitud de la columna de filtro y estando rebajado el extremo abierto de la ranura o ranuras a una distancia predeterminada hacia adentro de la extremidad de la colma de filtro; (c) medios que definen al menos una cavidad abierta formada en el extremo de la columna de filtro, estando la cavidad o cavidades en comunicación de flujo deaire con el extremo abierto de la ranura ó ranuras y extendiéndose desde el extremo abierto de la ranura o ranuras en una dirección generalmente radial de la columna de filtro; y (d) material de punta extendiéndose longitudinalmente y circunscribiendo la columna de filtro envuelta, siendo permeable al aíre, el material de punta, permitiendo el flujo de aire de ventilación a su través hacia la ranura ó ranuras.
ES1983279887U 1982-03-31 1983-03-29 Filtro para cigarrillos. Expired ES279887Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/364,113 US4424819A (en) 1982-03-31 1982-03-31 Cigarette filter

Publications (2)

Publication Number Publication Date
ES279887U true ES279887U (es) 1985-06-01
ES279887Y ES279887Y (es) 1986-01-01

Family

ID=23433073

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1983279887U Expired ES279887Y (es) 1982-03-31 1983-03-29 Filtro para cigarrillos.

Country Status (34)

Country Link
US (1) US4424819A (es)
JP (1) JPS58170470A (es)
KR (1) KR840003792A (es)
AT (1) AT384529B (es)
AU (1) AU539329B2 (es)
BE (1) BE896174A (es)
BG (1) BG38935A3 (es)
BR (1) BR8301573A (es)
CA (1) CA1197431A (es)
CH (1) CH657968A5 (es)
DE (1) DE3310748C2 (es)
DK (1) DK159366C (es)
EG (1) EG16140A (es)
ES (1) ES279887Y (es)
FI (1) FI70368C (es)
FR (1) FR2524272B1 (es)
GB (1) GB2117221B (es)
GR (1) GR79240B (es)
HU (1) HU185358B (es)
IL (1) IL68289A (es)
IN (1) IN157452B (es)
IT (1) IT1161926B (es)
LU (1) LU84684A1 (es)
NL (1) NL186134C (es)
NO (1) NO155034C (es)
NZ (1) NZ203424A (es)
PH (1) PH19224A (es)
PL (1) PL137685B1 (es)
RO (1) RO88368A (es)
SE (1) SE458331B (es)
TR (1) TR21586A (es)
YU (1) YU73683A (es)
ZA (1) ZA831897B (es)
ZW (1) ZW6983A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503869A (en) * 1983-06-10 1985-03-12 Brown & Williamson Tobacco Corporation Cigarette mouthpiece
GB8407671D0 (en) * 1984-03-23 1984-05-02 Brritish American Tobacco Co L Smoking article mouth-piece elements
US4681125A (en) * 1985-03-06 1987-07-21 Brown & Williamson Tobacco Corporation Mouthpiece for tobacco smoke article
JP2549367Y2 (ja) * 1991-02-20 1997-09-30 株式会社小松製作所 圧油供給装置
US20100059072A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus, method and product
US20100059075A1 (en) * 2008-09-09 2010-03-11 Steve Woodson Ventilated smoking material perforation apparatus and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1296231A (fr) * 1960-08-15 1962-06-15 Produit de tabac, tel que cigarette et cigare
CH383858A (de) * 1960-08-15 1964-10-31 Siegenheim Max Zigarette oder Zigarre
US3503406A (en) * 1968-10-28 1970-03-31 Lawrence Murry Riegel Cigarettes
US4022221A (en) * 1975-10-31 1977-05-10 American Filtrona Corporation Tobacco smoke filter
US4256122A (en) * 1979-04-11 1981-03-17 Brown & Williamson Tobacco Corporation Cigarette filter
US4338956A (en) * 1980-12-05 1982-07-13 Brown & Williamson Tobacco Corporation Cigarette filter
GB2101869A (en) * 1981-07-06 1983-01-26 Filtrona Ltd Filtering means

Also Published As

Publication number Publication date
NZ203424A (en) 1985-07-12
CA1197431A (en) 1985-12-03
FI830934L (fi) 1983-10-01
JPS6132952B2 (es) 1986-07-30
GB2117221A (en) 1983-10-12
CH657968A5 (de) 1986-10-15
FR2524272A1 (fr) 1983-10-07
BE896174A (fr) 1983-07-18
PL241294A1 (en) 1983-10-10
GB2117221B (en) 1986-05-29
AU1192683A (en) 1983-10-06
EG16140A (en) 1991-06-30
SE8301709L (sv) 1983-10-01
GB8308844D0 (en) 1983-05-11
ZA831897B (en) 1983-12-28
ZW6983A1 (en) 1983-06-08
DE3310748A1 (de) 1983-10-13
NL186134B (nl) 1990-05-01
NO830910L (no) 1983-10-03
IN157452B (es) 1986-04-05
DK145783A (da) 1983-10-01
NO155034C (no) 1987-02-04
ES279887Y (es) 1986-01-01
DK159366B (da) 1990-10-08
ATA84583A (de) 1987-05-15
AT384529B (de) 1987-11-25
FI70368C (fi) 1986-09-19
IT1161926B (it) 1987-03-18
SE458331B (sv) 1989-03-20
BG38935A3 (en) 1986-03-14
BR8301573A (pt) 1983-12-06
YU73683A (en) 1985-10-31
PL137685B1 (en) 1986-07-31
AU539329B2 (en) 1984-09-20
RO88368A (ro) 1986-01-30
IL68289A (en) 1985-09-29
DK145783D0 (da) 1983-03-30
FR2524272B1 (fr) 1986-01-24
NL186134C (nl) 1990-10-01
DE3310748C2 (de) 1985-02-07
GR79240B (es) 1984-10-22
HU185358B (en) 1985-01-28
TR21586A (tr) 1984-11-01
LU84684A1 (fr) 1983-09-08
NL8301000A (nl) 1983-10-17
US4424819A (en) 1984-01-10
IL68289A0 (en) 1983-07-31
FI830934A0 (fi) 1983-03-21
KR840003792A (ko) 1984-10-04
JPS58170470A (ja) 1983-10-07
NO155034B (no) 1986-10-27
IT8320405A0 (it) 1983-03-31
SE8301709D0 (sv) 1983-03-28
DK159366C (da) 1991-04-29
PH19224A (en) 1986-02-12
FI70368B (fi) 1986-03-27

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Legal Events

Date Code Title Description
FD1K Utility model lapsed

Effective date: 20100623