IT1302327B1 - MULTIPLE CAVITY FILTER PERFECTED. - Google Patents

MULTIPLE CAVITY FILTER PERFECTED.

Info

Publication number
IT1302327B1
IT1302327B1 ITRM980590A IT1302327B1 IT 1302327 B1 IT1302327 B1 IT 1302327B1 IT RM980590 A ITRM980590 A IT RM980590A IT 1302327 B1 IT1302327 B1 IT 1302327B1
Authority
IT
Italy
Prior art keywords
cavity filter
multiple cavity
perfected
filter perfected
filter
Prior art date
Application number
Other languages
Italian (it)
Inventor
Aldo Gerola
Original Assignee
Filtrati S P A
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 Filtrati S P A filed Critical Filtrati S P A
Priority to ITRM980590 priority Critical patent/IT1302327B1/en
Priority to PCT/IT1999/000288 priority patent/WO2000015058A1/en
Priority to AU58840/99A priority patent/AU5884099A/en
Publication of ITRM980590A1 publication Critical patent/ITRM980590A1/en
Application granted granted Critical
Publication of IT1302327B1 publication Critical patent/IT1302327B1/en

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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
ITRM980590 1998-09-14 1998-09-14 MULTIPLE CAVITY FILTER PERFECTED. IT1302327B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITRM980590 IT1302327B1 (en) 1998-09-14 1998-09-14 MULTIPLE CAVITY FILTER PERFECTED.
PCT/IT1999/000288 WO2000015058A1 (en) 1998-09-14 1999-09-14 Improved multiple cavity filter
AU58840/99A AU5884099A (en) 1998-09-14 1999-09-14 Improved multiple cavity filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM980590 IT1302327B1 (en) 1998-09-14 1998-09-14 MULTIPLE CAVITY FILTER PERFECTED.

Publications (2)

Publication Number Publication Date
ITRM980590A1 ITRM980590A1 (en) 2000-03-14
IT1302327B1 true IT1302327B1 (en) 2000-09-05

Family

ID=11406130

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM980590 IT1302327B1 (en) 1998-09-14 1998-09-14 MULTIPLE CAVITY FILTER PERFECTED.

Country Status (3)

Country Link
AU (1) AU5884099A (en)
IT (1) IT1302327B1 (en)
WO (1) WO2000015058A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060196513A1 (en) * 2004-12-30 2006-09-07 Philip Morris Usa Inc. Triple hopper max with built-in granulated cavity filling capability

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482488A (en) * 1968-01-12 1969-12-09 Brown & Williamson Tobacco Multiple filter manufacture
US3807286A (en) * 1972-10-04 1974-04-30 Brown & Williamson Tobacco Multiple filter having a loose granule section with perforated inner wrapper
DE2555129C3 (en) * 1975-12-08 1979-10-18 Baumgartner Papiers Sa Cigarette filter unit and device for producing the same

Also Published As

Publication number Publication date
WO2000015058A1 (en) 2000-03-23
AU5884099A (en) 2000-04-03
ITRM980590A1 (en) 2000-03-14

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Legal Events

Date Code Title Description
0001 Granted