CN1582122A - Multisegment filter of the tobacco processing industry and method for the production thereof - Google Patents
Multisegment filter of the tobacco processing industry and method for the production thereof Download PDFInfo
- Publication number
- CN1582122A CN1582122A CNA028221427A CN02822142A CN1582122A CN 1582122 A CN1582122 A CN 1582122A CN A028221427 A CNA028221427 A CN A028221427A CN 02822142 A CN02822142 A CN 02822142A CN 1582122 A CN1582122 A CN 1582122A
- Authority
- CN
- China
- Prior art keywords
- filter
- shell material
- segment
- segment filter
- filter tip
- Prior art date
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- 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
-
- 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
- A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
- A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite filters
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
The invention relates to a multi-segment filter (70) of the tobacco processing industry with at least two filter segments (60-62) arranged one behind the other in a longitudinally axial manner, and to a method for producing a multi-segment filter (70) of the tobacco processing industry, whereby a group of filter segments (60-62) is assembled and whereby the group of filter segments (60-62) is wrapped with a first wrapping material (65) to form a multi-segment filter (70). The multi-segment filter according to the invention is characterized in that a compressible and/or elastic first wrapping material (65) is arranged outside around the filter segments (60-62). The method according to the invention is characterized in that the first wrapping material (65) is compressible and/or elastic.
Description
The present invention relates to a kind of multi-segment filter of tobacco industry, this multi-segment filter has at least two filter tip sections of arranging along the Y front and back; The invention still further relates to the manufacture method of the multi-segment filter of tobacco industry, wherein one group of filter tip section is assembled, wherein wrap up for the one group of filter tip section that is used to form a multi-segment filter with a kind of first lapping.
The purposes of corresponding multi-segment filter is for example to adopt different materials and material correspondingly to filter for the cigarette that cigarette produces.Therefore for example multi-segment filter can be by a plurality of parts, make such as cellulose acetate commonly used, this cellulose acetate is made by the acetate staple fiber element with plasticizer, and is cigarette.Filter tip section has active carbon granule, sintered particles, not or have the sleeve pipe that is full of particle, fleece etc.
US-PS4 026 306 has described a kind of triple filter mouth (cavity/gland/cavity), and it wraps up with a kind of acetate staple fiber, and wherein acetate is as filter medium, and gland is used to make the cigarette revolution by filtering material.
A kind of filter tip that also wraps up with two sections sleeve pipes that is made of the filter-tip material sheet of US-PS3 492 998 expressions, its middle sleeve is made by the plastic material of paper, cork or a kind of polyethylene kind.
Corresponding multi-segment filter is for example made with the said Mulfi-E of a kind of applicant.Relate to the production line of two filter rods that a kind of manufacturing is made up of the basic filter rods of difference here.Production line Mulfi-E is made up of so-called GC-E and a filter rods machine KDF 2E, and described GC-E is used for cutting and the formation group for basic filtering mouth bar, and described filter tip machine is used to wrap up two filter tip sections and 4 sections or 6 sections two filter rods of cutting.These machines all are that specialty interchange and professional person are known.Get on very well in principle, corresponding apparatus can be carried out work by means of the method for DE-OS15 34 666 described manufacturing multi-segment filter, naturally also can not only stipulate two filter tip sections, but also can be a plurality of filter tip sections, it is described " to be used to make mounting equipment and the slot type cylinder (Einrichtung zum Zusammenstellen von Gruppen vonFiltersegmenten zur Herstellung von Multisegmentfiltern dertabakver-arbeitenden Industrie und Muldentrommel) of in groups filter tip section of the multi-segment filter of tobacco industry " with title as the applicant in DE101 46 917.9.The brochure of same names about its published content four corner be documented in the described patent application.
When making multi-segment filter, because the foozle of filter tip section diameter, particularly under as hard as filter segment, such as the filter tip section situation band extruding or that injection moulding process is made, cause that the filter tip section that adjoins has different diameters.If this filter tip section is as adopting paper bushing material parcel usually or adopting poly words as US-PS3 492 998, undesirable effect will appear, promptly between shell material and at least one filter tip section, form a cavity, may cause that cigarette passes through this cavity, and make the not filtration of corresponding filter element that has than minor diameter.So just cause the filtering property of multi-segment filter may become undesirable, perhaps may partly completely lose.A kind of difficulty in addition is, when wrapping up cigarette-filter tip-cigarette-group with coated paper, may make the damage that hard section takes place in the filter tip with hard section, and because the Incoercibility and the cigarette of hard section and filter afraid to speak out section compressibility coated paper is damaged.
Therefore task of the present invention is to avoid these shortcomings, and provide a kind of multi-segment filter and and a kind of method that is used to make the multi-segment filter of tobacco industry, carry out equilibrium by means of this method for the corresponding manufacturing tolerance of filter tip section, thereby be not formed with the cavity that cigarette is walked from the filter tip section by-pass flow.
The method that solves this task is to adopt a kind of multi-segment filter of tobacco industry, this multi-segment filter has at least two filter tip sections of arranging before and after mutually along Y, and this filter tip section so constitutes in addition: be furnished with in outside around this filter tip section a kind of compressible and/flexible first shell material.
Can the corresponding diameter difference of very well balanced filter tip section by a kind of compressible and/or flexible shell material is set.
Compressible and/or flexible first shell material is arranged around filter tip section ground along Y especially.Be to obtain a kind of outer dia multi-segment filter very uniformly by using other advantage that a kind of compressible first shell material has; But when for example only adopting a kind of elastomeric material as first shell material, situation is really not so.
An a kind of embodiment with advantage according to multi-segment filter of the present invention is not saturating basically cigarette of first shell material or not saturating fully cigarette.By this scheme, even under the differentiated situation of diameter, also there is not cigarette to pass through fully from the next door of desirable filter-tip material with advantage according to multi-segment filter of the present invention.Preferably, in first shell material, be provided with breeder tube also as the ordinary casing material of frequent employing.If first shell material is the outmost layer of multi-segment filter, then can make the manufacturing of multi-segment filter simple especially and quick, and expense is also cheap.
If the outside around first shell material also is furnished with one second shell material, then can adopt the general outmost shell material that when the production multi-segment filter, is applied so far.
First shell material preferably comprises a kind of foamed material with blind hole.Corresponding foam material with blind hole is a kind of Smoke proof basically material on the one hand, even and can make the material that also can compress on the other hand under the situation of low-force.First shell material is preferably made by a kind of foamed material with blind hole.
Comprise the cellulose acetate that is foamed if having the foamed material of blind hole, then can use a kind of material, this material is very famous being used for making relevant its composition of filter-tip tobacco industry.The cellulose acetate that is foamed is opposite with the cellulose acetate of being made by the short fiber with plasticizer (Tow) herein, also is Smoke proof basically.Foamed material with blind hole is preferably made by the cellulose acetate of foaming.Foamed material with blind hole is preferably a kind of by the hot melt foam of making such as ethylene vinyl acetate copolymer (Ethylen-vinylacetatcopolymer).First shell material preferably comprises and/or is made by the PUR such as ethylene vinyl acetate copolymer.To this alternatively, first shell material can comprise a kind of have strong curl and do not have plasticizer, plain and/or make such as the acetate staple fiber of Triacethin by described material.In addition, first shell material can be a kind of (Air-layed) fleece that air is arranged, and it is according to the described method manufacturing of EP003 2044 B1.
The present invention is resolved by a kind of method that is used to make the multi-segment filter of tobacco industry in addition, wherein assembles one group of filter tip section; Wherein should organize filter tip section in order to make multi-segment filter and wrap up with a kind of first shell material, wherein first shell material is compressible and/or flexible.Therefore the multi-segment filter that produces can make the diameter difference of filter tip section obtain equilibrium according to the present invention on the one hand; Under the situation of incompressible material, has a uniform external diameter on the other hand.The superiority of the method according to this invention is in addition, general common multi-segment filter manufacturing equipment, can both be applied such as applicant's Mulfi-E.The shell material of making by paper tape that replaces often using with compressible and/or flexible shell material only.Must consider that compressible shell material had not been compressed this moment in advance on the road of multi-segment filter.The preferably not saturating basically cigarette or Smoke proof fully of first material.
When in other operating procedure, when first shell material wraps up with second shell material, the ensuing operation of multi-segment filter will be simplified.
In addition, be used to form a multi-segment filter by the one group of filter tip section that adopts a kind of compressible and/or flexible shell material to wrap up tobacco industry, thereby described task is resolved.In order to form a multi-segment filter, preferably use a kind of Smoke proof or Smoke proof basically first shell material to wrap up in addition for one group of filter tip section of tobacco industry.
Below under the situation that does not limit overall inventive concept, come by means of with reference to the accompanying drawings embodiment that present invention is described, wherein unspecified in all literary compositions can be according to details of the present invention clearly referring to accompanying drawing.Accompanying drawing illustrates:
A multi-segment filter manufacturing equipment of Fig. 1 diagrammatic side views, this equipment comprise that a band according to DE-OS24 52 749 forms device and a group formation device;
The diagrammatic cross-sectional view of a multi-segment filter of Fig. 2;
The partial enlarged drawing of Fig. 3 Fig. 2.
In the description of drawings below, the unit that part is identical is represented with identical Reference numeral, does not therefore repeat to introduce.
Multi-segment filter manufacturing equipment shown in Figure 1 is constructed as follows according to background technology:
Band forms group with horizontal operation of device 1 configuration and forms device 2, and this group formation device has two storage containers 3 and 4, wherein stores first kind or second kind of filter rods 6 and 7.The port of export has the cylinder 8 or 9 of taking-up below storage container 3 and 4, and they dispose a cutter sweep 11 or 12 respectively, and this cutter sweep is used for cutting apart from storage container 3 and 4 filter rods 6 and 7 that take out.And then a sorting cylinder 13 or 14 are arranged respectively, on this sorting cylinder, be divided into the grade form by filter rods of having cut apart 6 and 7 formed filter tip sections, the passing cylinder 16 and 17 that passes through separately so promotes then, makes it transverse to axially forming a line in proper order each other.So the filter tip section ranks that form again respectively by separately quicken cylinder 18 or 19 it drawn back mutually, thereby make bigger distance is arranged all between each filter tip section.
After this, filter tip section is cut apart on cutting-cylinder 21 or 22 again, and this cutting-cylinder disposes a cutter sweep 23 or 24 equally respectively.Divided again filter tip section draws back on cutting-cylinder 21 or 22 simultaneously again mutually, thereby forms bigger space between each unit.Next on assembling cylinder 26, each unit is spliced in these spaces by the filter rods of other kind respectively, thereby forms filter rods group 27 by this way, and this filtering rod group is made up of the filter-tip a plurality of unit of variety classes.Filter rods group 27 then by one with the output mechanism of the form of transmitting device or reversing drum 28 vertically towards the throughput direction alignment, and be sent to band continuously with void-free form and form on one of the device 1 cover streaking tube 31 that pulls out from reel 29.This transfer approach is for example realized according to DE-OS25 34 666.
Before filter rods group 27 being placed on the cover streaking tube 31, this cover streaking tube is carried out gluing.One first glue spreading apparatus 32 has been installed for this purpose, this glue spreading apparatus has been shown is made up of a glue storage container 33 and two coater nozzle 34 and 36, this glue spreading apparatus carries out inner gluing with two adhesive tape forms that extend in parallel side by side on cover streaking tube 31.One second glue spreading apparatus 37 illustrates by a glue storage container 38 and a coater nozzle 39 to be formed, and it provides a kind of adhesive tape that is used for the slit gluing for the fringe region of cover streaking tube.Certainly for inner gluing an adhesive tape can only be set also when needed or more than two adhesive tape.
Under a kind of applicable cases, glue storage container 33 according to this applicable cases first glue spreading apparatus 32 is equipped with a kind of cold glue, and the storage container 38 of second glue spreading apparatus 37 is equipped with a kind of hot-melt adhesive, a mechanism 42 that inner gluing is cured of being used in a kind of heating arrangements 43 modes is arranged below the cover streaking tube 31 in the accumulation position 41 of reversing drum 28, this mechanism makes and is cured after placing filter rods group 27 by coater nozzle 34 and the 36 inside gluings that apply at once, filter rods group 27 is fixed after being put on the cover streaking tube 31 by this way immediately, so this filter tip group can not be subjected to outside again, such as the effect of the filter rods group of back and move.
Simultaneously, heating arrangements 43 makes the hot-melt adhesive that is used for the slit gluing work.Be fixed into adjacent the landing of a gapless filter rods group 27 by this way and pass a moulded parts with a kind of profile of the cell 44 of standardizing, in these normalization cell middle sleeve band 31 parcel filter rods groups 27, thereby form a continuous filter tip band, wherein the hot-melt adhesive that is used for the slit gluing that applies by coater nozzle 39 is cured in 46 inside, a bonding chamber, and bonding for this purpose chamber is made into cooling device 47.Next the filter tip band that is closed like this and seals arrives a cutter sweep 48, preferably have in this device in the many times of combination filter rods cutter sweeps that use length by segmentation, this combination filter rods comprises the filter unit of variety classes filter rods 6 and 7 respectively.
In theme of the present invention, use a kind of compressible and/or flexible material as the cover streaking tube.Iff using elastomeric material, then regulation adopts corresponding pressure or twines around this filter tip section under a corresponding stress, or under a corresponding stress, it is wrapped up, so just can the corresponding diameter difference of balanced filter tip section, so that fill the cavity that causes therefrom.But under the situation that only adopts elastomeric material, this will cause the difference of final formed multi-segment filter aspect external diameter.And under the situation of using the compressible sleeve material, also having other advantage: the external diameter of formed multi-segment filter is correspondingly relatively evenly.As long as shell material is incompressible, and just flexible, then having processing method can uncomplicated comparatively speaking advantage, because needn't too make great efforts to make shell material by mistake not compressed before parcel.And under the situation that is compressible material, must take safeguard measure as much as possible to shell material.
In addition, the equipment of aforementioned manufacturing multi-segment filter can also add in addition other a equipment, and it is arranged between bonding chamber 46 or cooling device 47 and the cutter sweep 48, and filter tip band closed with an other cover streaking tube parcel and that seal.
Fig. 2 expresses the diagrammatic cross-sectional view of the multi-segment filter 70 of manufacturing, and this filter tip is made up of three kinds of different filter tip sections 60～62, and has one first shell material 65 and one second shell material 66.In described embodiment, first shell material 65 is a kind of compressible shell materials, and second shell material 66 is a paper.In Fig. 2, come local part of amplifying in the presentation graphs 3 with A.In this partial enlarged drawing, express the diameter difference of filter tip section 61 and filter tip section 60 more exactly, and illustrate by compressible shell material 65 balanced this diameter difference.In this embodiment, first shell material 65 is a kind of fleeces that air is arranged, and it is to make according to the method for EP0 032 044 B1.
Reference numerals list
1 band forms device
2 groups form device
3 storage containers
4 storage containers
6 filter rods
7 filter rods
8 take out cylinder
9 take out cylinder
11 cutter sweeps
12 cutter sweeps
13 sorting cylinders
14 sorting cylinders
16 pass cylinder
17 pass cylinder
18 quicken cylinder
19 quicken cylinder
21 cutting-cylinders
22 cutting-cylinders
23 cutter sweeps
24 cutter sweeps
26 assembling cylinders
27 filter rods groups
28 reversing drums
29 reels
30 roller stands
31 cover streaking tubes
32 glue spreading apparatus
33 glue storage containers
34 coater nozzle
36 coater nozzle
37 glue spreading apparatus
38 storage containers
41 pile up the position
42 curing mechanisms
43 heating arrangements
Normalization chambers 44
Bonding chambers 46
47 cooling devices
48 cutter sweeps
49 combination filter rods
Article 50, section
60 filter tip sections
62 filter tip sections
65 compressible shell materials
66 paper
70 multi-segment filter
Claims (12)
1. the multi-segment filter of tobacco industry (70), this filter tip has at least two filter tip sections of arranging along the Y front and back (60～62), it is characterized in that the disposed outside that centers on filter tip section (60～62) has a kind of compressible and/or flexible first shell material (65).
2. according to the multi-segment filter of claim 1, it is characterized in that first shell material (65) is Smoke proof basically or Smoke proof fully.
3. according to the multi-segment filter of claim 1 and/or 2, it is characterized in that, in first shell material (65), be provided with breeder tube.
4. according to one or more multi-segment filter of claim 1 to 3, it is characterized in that first shell material (65) is the outermost layer of multi-segment filter (70).
5. according to one or more multi-segment filter of claim 1 to 3, it is characterized in that the outer setting that centers on first shell material (65) has one second shell material (66).
6. according to one or more multi-segment filter of claim 1 to 5, it is characterized in that first shell material (65) comprises a kind of foamed material of blind hole.
7. according to the multi-segment filter of claim 6, it is characterized in that the foamed material of described blind hole comprises a kind of ethylene vinyl acetate copolymer of foaming.
8. the method for manufacturing that is used for a kind of multi-segment filter (70) of tobacco industry, wherein assemble for one group of filter tip section (60～62), wherein should organize filter tip section (60～62) and wrap up with a kind of first shell material (65) in order to form a multi-segment filter (70), it is characterized in that first shell material (65) is compressible and/or flexible.
9. method according to Claim 8 is characterized in that, first shell material (65) is Smoke proof or is Smoke proof basically.
10. according to Claim 8 and/or 9 method, it is characterized in that in this external another operating procedure, first shell material (65) wraps up with a kind of second shell material (66).
Be used to wrap up the filter tip section (60～62) of one group of tobacco industry to form a kind of multi-segment filter (70) 11. use a kind of compressible and/or flexible first shell material (65).
Be used to wrap up the filter tip section (60～62) of one group of tobacco industry to form a kind of multi-segment filter (70) 12. use a kind of compressible and/or flexible and Smoke proof or Smoke proof basically first shell material (65).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10153821A DE10153821A1 (en) | 2001-11-05 | 2001-11-05 | Multi-segment filter of the tobacco processing industry and method for producing the same |
| DE10153821.9 | 2001-11-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1582122A true CN1582122A (en) | 2005-02-16 |
| CN100369565C CN100369565C (en) | 2008-02-20 |
Family
ID=7704381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028221427A Expired - Fee Related CN100369565C (en) | 2001-11-05 | 2002-10-23 | Multisegment filter of the tobacco processing industry and method for the production thereof |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20040250824A1 (en) |
| EP (1) | EP1441605A1 (en) |
| JP (1) | JP2005507265A (en) |
| CN (1) | CN100369565C (en) |
| DE (1) | DE10153821A1 (en) |
| PL (1) | PL368349A1 (en) |
| WO (1) | WO2003039276A1 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7836895B2 (en) | 2003-06-23 | 2010-11-23 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating a breakable capsule |
| US7115085B2 (en) * | 2003-09-12 | 2006-10-03 | R.J. Reynolds Tobacco Company | Method and apparatus for incorporating objects into cigarette filters |
| US8066011B2 (en) | 2003-09-30 | 2011-11-29 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
| DE10354924B4 (en) | 2003-11-25 | 2024-01-18 | Körber Technologies Gmbh | Device for processing filter tow material and device for producing filters |
| ITBO20050184A1 (en) * | 2005-03-24 | 2005-06-23 | Gd Spa | EQUIPMENT FOR THE PRODUCTION OF COMPOUND FILTERS |
| US7479098B2 (en) | 2005-09-23 | 2009-01-20 | R. J. Reynolds Tobacco Company | Equipment for insertion of objects into smoking articles |
| US8739802B2 (en) | 2006-10-02 | 2014-06-03 | R.J. Reynolds Tobacco Company | Filtered cigarette |
| DE102008056384B4 (en) | 2008-11-10 | 2017-03-30 | British American Tobacco (Germany) Gmbh | Multifilter for a smoking article |
| GB0921930D0 (en) * | 2009-12-16 | 2010-02-03 | British American Tobacco Co | Smoking article component |
| PL217430B1 (en) * | 2010-05-06 | 2014-07-31 | Int Tobacco Machinery Poland | Method for determining mutual position of the filter segments on the carrier element of the grouping unit in the process of manufacturing multi-segmented filters |
| US9232820B2 (en) | 2011-03-25 | 2016-01-12 | Hauni Maschinenbau Ag | High speed object inserter and related methods |
| US9055768B2 (en) | 2011-03-25 | 2015-06-16 | Hauni Maschinenbau Ag | High speed object inserter and related methods |
| DE102012213338B4 (en) * | 2012-07-30 | 2014-10-09 | Hauni Maschinenbau Ag | Method and device for producing multi-segment filter rods of the tobacco processing industry |
| DE102012213337B4 (en) * | 2012-07-30 | 2014-10-09 | Hauni Maschinenbau Ag | Method and device for producing a multi-segment filter strand of the tobacco-processing industry |
| DE102020102079B4 (en) | 2020-01-29 | 2022-11-10 | Cerdia International GmbH | METHODS FOR MATERIAL REUSE OF CELLULOSIC ACETATE CONTAINING MATERIAL AND SYSTEMS FOR MATERIAL REUSE OF CELLULOSIC ACETATE CONTAINING MATERIAL |
| IT202000014095A1 (en) | 2020-06-12 | 2021-12-12 | Montrade S P A | Method for making a smoking product, machine for making a smoking product and use of such a machine and a smoking article thus obtained |
| DE102022123950A1 (en) * | 2022-09-19 | 2024-03-21 | Körber Technologies Gmbh | Rod-shaped multi-segment article group for the tobacco processing industry |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085654A (en) * | 1963-05-09 | 1967-10-04 | Tom Rowlands | Apparatus for the production of continuous composite mouthpiece rods |
| US3470008A (en) * | 1965-09-27 | 1969-09-30 | Celanese Corp | Process for making paperless cigarette filter |
| GB1110914A (en) * | 1966-03-08 | 1968-04-24 | Cigarette Components Ltd | Improvements in and relating to filter and like tips for cigarettes |
| US3405717A (en) * | 1966-11-15 | 1968-10-15 | American Filtrona Corp | Method of associating a filter section with a tobacco section or with one or more additional filter sections |
| US3805801A (en) * | 1969-04-30 | 1974-04-23 | American Filtrona Corp | Tobacco smoke filter |
| US3492998A (en) | 1969-04-30 | 1970-02-03 | John A Mascaro | Filtering arrangement for smoking articles |
| JPS5120318Y2 (en) * | 1973-11-07 | 1976-05-27 | ||
| GB1522596A (en) | 1974-10-15 | 1978-08-23 | Hauni Werke Koerber & Co Kg | Production of filter plugs |
| US4026306A (en) * | 1975-11-06 | 1977-05-31 | American Filtrona Corporation | Tobacco smoke filter |
| AU537637B2 (en) | 1979-12-21 | 1984-07-05 | Kimberly-Clark Corporation | Dry laid weds |
| US4446878A (en) * | 1981-09-21 | 1984-05-08 | Brown & Williamson Tobacco Corporation | Cigarette filter |
| CA1212008A (en) | 1981-12-23 | 1986-09-30 | Richard M. Berger | Smoke filter having extended film overwrap and method and apparatus for fabricating same |
| US4423744A (en) * | 1981-12-23 | 1984-01-03 | American Filtrona Corporation | Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same |
| US4869276A (en) * | 1987-08-26 | 1989-09-26 | Philip Morris Incorporated | Hinged filter sleeve |
| JPH03507A (en) * | 1989-05-29 | 1991-01-07 | Yokohama Rubber Co Ltd:The | Core for tire |
| GB9122447D0 (en) * | 1991-10-23 | 1991-12-04 | Rothmans Int Tobacco | Lightweight cigarette filter and cigarettes incorporating such filters |
| JP3554190B2 (en) * | 1998-05-01 | 2004-08-18 | 宇部日東化成株式会社 | Manufacturing method of spacer for optical cable |
-
2001
- 2001-11-05 DE DE10153821A patent/DE10153821A1/en not_active Withdrawn
-
2002
- 2002-10-23 EP EP02785284A patent/EP1441605A1/en not_active Withdrawn
- 2002-10-23 US US10/493,317 patent/US20040250824A1/en not_active Abandoned
- 2002-10-23 PL PL02368349A patent/PL368349A1/en not_active Application Discontinuation
- 2002-10-23 WO PCT/EP2002/011823 patent/WO2003039276A1/en active Application Filing
- 2002-10-23 JP JP2003541381A patent/JP2005507265A/en not_active Withdrawn
- 2002-10-23 CN CNB028221427A patent/CN100369565C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20040250824A1 (en) | 2004-12-16 |
| CN100369565C (en) | 2008-02-20 |
| EP1441605A1 (en) | 2004-08-04 |
| WO2003039276A1 (en) | 2003-05-15 |
| DE10153821A1 (en) | 2003-06-05 |
| JP2005507265A (en) | 2005-03-17 |
| PL368349A1 (en) | 2005-03-21 |
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