EP2785206B1 - Tipping paper for a smoking article - Google Patents

Tipping paper for a smoking article Download PDF

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Publication number
EP2785206B1
EP2785206B1 EP12821165.3A EP12821165A EP2785206B1 EP 2785206 B1 EP2785206 B1 EP 2785206B1 EP 12821165 A EP12821165 A EP 12821165A EP 2785206 B1 EP2785206 B1 EP 2785206B1
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EP
European Patent Office
Prior art keywords
lining paper
mouthpiece lining
elevations
surface areas
varnish
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.)
Active
Application number
EP12821165.3A
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German (de)
French (fr)
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EP2785206A2 (en
Inventor
Guenther GRIESMAYR
Barbara PUEHRINGER
Marco SCHEUCHL
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.)
Tannpapier GmbH
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Tannpapier GmbH
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Filing date
Publication date
Application filed by Tannpapier GmbH filed Critical Tannpapier GmbH
Priority to RS20180518A priority Critical patent/RS57176B1/en
Priority to PL12821165T priority patent/PL2785206T3/en
Priority to SI201231279T priority patent/SI2785206T1/en
Publication of EP2785206A2 publication Critical patent/EP2785206A2/en
Application granted granted Critical
Publication of EP2785206B1 publication Critical patent/EP2785206B1/en
Priority to HRP20180770TT priority patent/HRP20180770T1/en
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Anticipated expiration legal-status Critical

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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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005—Treatment of cigarette paper
    • A24C5/007—Perforating
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/56—Making tipping materials, e.g. sheet cork for mouthpieces of cigars or cigarettes, by mechanical means
    • A24C5/565—Making tipping materials, e.g. sheet cork for mouthpieces of cigars or cigarettes, by mechanical means by treating the tipping material with a liquid or viscous solution, e.g. paraffine
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/027—Cigars; Cigarettes with special covers with ventilating means, e.g. perforations
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/042—Cigars; Cigarettes with mouthpieces or filter-tips with mouthpieces
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/04—Cigars; Cigarettes with mouthpieces or filter-tips
    • A24D1/045—Cigars; Cigarettes with mouthpieces or filter-tips with smoke filter means

Definitions

  • the invention relates to a mouthpiece covering paper for a smoking article.
  • a common filter cigarette Five essential parts of a common filter cigarette are the tobacco rod, this wrapping cigarette paper, the filter, the filter wrap paper and the tipping paper.
  • the tipping paper wraps around the filter and filter wrap paper. It is that part of the filter cigarette which is touched by the lips of the cigarette smoking person when smoking the filter cigarette.
  • the mouthpiece covering paper also protrudes slightly in the longitudinal direction of the tobacco cigarette in the longitudinal region of the tobacco rod, envelops the cigarette paper there and is adhesively bonded thereto. By making this bond filter part and tobacco rod part are mechanically connected in the cigarette machine.
  • the tipping paper is in most cases actually a paper, but it can also be a film or a foil. In the case of forming the tipping paper as a film or foil, it may for example consist of cellulose hydrate.
  • the tipping paper has a visually appealing print. Often this print reminds of cork or tobacco.
  • mouthpiece covering papers are used, which in addition to the optical printing a coating of substances or impregnation with substances that cause one or more sensory perceptions such as smell, taste, cold (freshness) or heat (sharpness) when smoking.
  • a flavor with the aid of an inkjet printer, for example, on the tipping paper.
  • the tipping paper In the DE 3411511 C2 It is proposed to equip the tipping paper with a substance that changes its color permanently due to increased temperature. To effect the color change, the tipping paper is stamped with a heated die having a surface texture, so that a structure is also embossed on the tipping paper. Between the tipping paper and the actual filter is usually the filter paper whose main function is to mechanically fix the material or material components of the filter, at least until everything is held together by the tipping paper which is first applied in the cigarette machine. In the DE 3005793 C2 It is proposed the filter wrapper paper, which ultimately represents an intermediate layer of the finished cigarette to form for reasons of air permeability of a very highly porous paper and to print it with a very fine grid of textured paint.
  • the textured paint improves the otherwise disturbingly low mechanical stability of the highly porous paper. By applying the textured paint only as a fine grid, it does not reduce the desired high air permeability.
  • a hot-melt plastic adhesive is proposed as a suitable structural paint, a hot-melt plastic adhesive.
  • a textured paint in the sense of this description is a lacquer with which a fine grid of a tangibly raised structure can be printed on a surface, for example 5 to 30 lines lying side by side per cm can be printed for it protrude from non-printed surface areas by 10 microns to 30 microns.
  • finer structures are also printable, for example with 100 lines lying side by side per cm.
  • Textured paint can be used to create tactile prints; Applications include printing Braille, improving bill recognition, and improving the haptic impact of packaging. The latter is used for example in the WO 2011/001200 A1 proposed.
  • Another important application of structural paints relates to changing the friction properties of a surface; Depending on the target, either the lubricity or the coefficient of friction can be increased by selecting the appropriate lacquer material.
  • the primary object of the present invention is to mitigate the limitations mentioned in the previous paragraph and thus to expand the choices of substances and conditions of substances that can be used to influence the properties of tipping paper.
  • the mouthpiece covering paper with localized printing with textured paint with raised surface areas.
  • further substances are applied to the non-raised areas of the tipping paper which, if at all, do not apply as much to the tipping paper as the structured lacquer.
  • the surface of the tipping paper thus represents a landscape, which has levels and mountains towering from them, wherein on the levels of substances such as dyes or fragrances are applied and wherein the mountains, these levels superior, consist of hardened textured paint.
  • the most important function of the elevations formed by hardened textured lacquer is that of protecting the substances applied to the lower surface areas.
  • This protective function is achieved by hard bodies which abut or slide on the tipping paper predominantly or exclusively come into contact only with the knobs of the structured lacquer elevations and not with the surface areas therebetween. As a result, contact-sensitive substances can also be obtained in the undamaged state for a long time at the intermediate surface areas.
  • Fig. 1 and Fig. 2 is one side of the mouthpiece covering paper 1 by applying textured paint with elevations 3, 13 provided.
  • Fig. 1 is formed by textured paint a grid of island-like spaced elevations with a cross-shaped base.
  • the area not covered with textured paint 2 is not divided into individual separate sub-areas.
  • the elevations formed from structured lacquer As a result of the elevations formed from structured lacquer, the deeper surface areas 2 are protected from contact by blunt objects, since these objects abut the combs of the elevations 3, 13.
  • the elevations 3, 13 thus act as spacers.
  • the structured elevations which should preferably be separated from one another in an island-like manner, can not only accelerate the evaporation of substances to be removed, but conversely, the contact of desired substances, which are in the form of gas, steam, aerosol or powder and / or combinations from being accelerated with the tipping paper while this tipping paper is stored as a roll in an environment enriched with the gas phase in question.
  • desired substances which are in the form of gas, steam, aerosol or powder and / or combinations from being accelerated with the tipping paper while this tipping paper is stored as a roll in an environment enriched with the gas phase in question.
  • desired substances which are in the form of gas, steam, aerosol or powder and / or combinations from being accelerated with the tipping paper while this tipping paper is stored as a roll in an environment enriched with the gas phase in question.
  • desired substances which are in the form of gas, steam, aerosol or powder and / or combinations from being accelerated with the tipping paper while this tipping paper is stored as a roll in an environment
  • a structure 3 of elevations on that side of the tipping paper 1 is applied, which is located on the finished cigarette on the filter wrapper paper, so it is achieved that more air between tipping paper 1 and filter wrapper can flow. This is helpful for setting desired smoke values, which is done to a high degree by adding fresh air to the smoke stream coming from the tobacco rod in the filter. Also in this context is an arrangement of separate local elevations 3 ( Fig. 1 ) more advantageous than elevations 13, which form a continuous network ( Fig. 2 ).
  • the haptic sensation when touching a cigarette can be improved. In particular, it can be made easier to remove a cigarette from a full packet of cigarettes.
  • Fig. 3 shows that part of a cigarette packaging machine on which a very large frictional stress on the tipping paper of a cigarette occurs.
  • the cigarettes 4 to be introduced into the pack are moved in their longitudinal direction along a narrowing conveying channel 5.
  • the cigarettes 4 are pressed against each other more and more and rub against the walls of the conveyor channel 5.
  • This rubbing is done mainly with the mouthpiece covering paper 1 of the cigarettes, since this comprises the opposite to the tobacco rod part firmer filter part of the cigarette 4.
  • the mouthpiece covering paper 1 on its outer side according to the invention with a structure of elevations 3, 13, 23 of hardened textured paint, the surface areas of the mouthpiece covering paper 1 lying between these elevations are spared from friction with the walls of the conveying channel 5.
  • the elevations 23 are formed by a paint material, which has the lowest possible friction coefficient against metal in the cured state.
  • a piece of tipping paper is wrapped around the filter part of the cigarette.
  • the edges of the tipping paper overlapping in the circumferential direction of the cigarette are glued together.
  • a certain minimum adhesion between the overlapping edges of the tipping paper must be achieved very quickly, since otherwise the cycle time of the cigarette machine is reduced.
  • the minimum adhesion is achieved more quickly if the water absorption capacity of the bodies to be bonded is accelerated and / or if the bodies to be bonded facilitate mechanical anchoring by means of parts projecting from the surface.
  • the elevations 3, 13, 23 represent such protruding parts.
  • they contain a substance which absorbs water well.
  • the use of structured elevations 3, 13, 23 as an aid in glueing is then crucially important and advantageous if the tipping paper used is not a true paper but a film, for example of cellulose hydrate.
  • the sheet-formed mouthpiece covering paper having a structure of protrusions 3, 13, 23 of hardened paint, those protrusions formed by the perforation as a ridge around the perforation openings are not significant in winding the mouthpiece covering paper into a reel.
  • the tensile force on the tipping paper required for winding is thereby better divided evenly over a larger width of the tipping material. It can thereby be formed bobbins with higher number of turns, without causing damage to the perforation zones.
  • the elevations 3, 13, 23 protrude from hardened textured paint in the direction normal to the level of the mouthpiece covering paper 1 over the lying between individual surveys, not provided with textured surface areas 2 of the mouthpiece covering paper 1. From geometrical considerations it is immediately apparent that the projections should protrude more if the distance between them increases and if the surface on which they are applied is more convexly curved.
  • the feelability of structured coatings begins at a height of the coating of about 5 to 15 microns.
  • the structural paint As a material of the structural paint are especially those types of paint, which mainly apply to the surfaces contacted with it and less those that are mainly absorbed. Many structural coatings are known in the art.
  • textured paint on the tipping base paper are especially screen printing in particular rotary screen printing and gravure, especially rotary gravure gravure.
  • Rotary screen printing and web gravure gravure printing are well suited for paper tapes.
  • Web gravure gravure printing makes the fastest possible printing possible for the present application.
  • the printing form is a roller, the so-called printing roller. This rotates about a horizontal axis and is arranged to be moves with its lower lateral surface area through a coating bath and touches with its upper lateral surface area the paper to be printed, which is moved at the peripheral speed of the pressure roller.
  • the lateral surface of the pressure roller has recesses. In the paint bath, the lateral surface of the pressure roller is wetted with paint.
  • the said depressions on the lateral surface of the pressure roller are about 30 ⁇ m to 50 ⁇ m deep in the case of customary printing on mouthpiece covering paper.
  • the depressions must be at least about 20 ⁇ m deep (if the surface regions 2 are not printed by an applied pressure and if the printed structures are relatively fine) and can be at most about 240 ⁇ m deep. Very good results are achieved when the depth is between 100 ⁇ m to 150 ⁇ m.
  • the printed structures need not extend in uniform density over the entire surface of one side of the tipping paper.
  • more and / or differently shaped elevations may be attached to those areas which are primarily touched by the fingers of the person smoking, rather than to those areas which are primarily touched by the lips of the person smoking.
  • the non-raised surface areas 2 of the mouthpiece covering paper can also be treated differently on different areas of the mouthpiece covering paper. For example, substances can be predominantly applied to that part of the tipping paper which is closer to the tobacco rod on the finished cigarette and thus will be touched predominantly by the fingers of the person smoking the cigarette help to avoid disturbing smell on the fingers.
  • the surface areas 2 of the mouthpiece covering paper should be provided with flavoring agents or with a lip-care substance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)

Description

Die Erfindung betrifft ein Mundstückbelagspapier für einen Rauchartikel.The invention relates to a mouthpiece covering paper for a smoking article.

Fünf wesentliche Teile einer üblichen Filterzigarette sind der Tabakstrang, das diesen einhüllende Zigarettenpapier, der Filter, das Filterhüllpapier und das Mundstückbelagspapier.Five essential parts of a common filter cigarette are the tobacco rod, this wrapping cigarette paper, the filter, the filter wrap paper and the tipping paper.

Das Mundstückbelagspapier, oft auch als "Tippingpapier" oder kurz "Tipping" bezeichnet, umhüllt den Filter und das Filterhüllpapier. Es ist jener Teil der Filterzigarette, welcher beim Rauchen der Filterzigarette durch die Lippen der die Zigarette rauchenden Person berührt wird. Üblicherweise ragt das Mundstückbelagspapier in Längsrichtung der Filterzigarette auch geringfügig in den Längsbereich des Tabakstranges, umhüllt dort das Zigarettenpapier und ist mit diesem durch eine Klebung verbunden. Durch das Herstellen dieser Klebung werden in der Zigarettenmaschine Filterteil und Tabakstrangteil mechanisch verbunden. Das Mundstückbelagspapier ist zumeist tatsächlich ein Papier, es kann aber auch ein Film oder eine Folie sein. Im Fall der Ausbildung des Mundstückbelagspapieres als Film oder Folie kann es beispielsweise aus Cellulosehydrat bestehen.The tipping paper, often referred to as "tipping paper" or "tipping" for short, wraps around the filter and filter wrap paper. It is that part of the filter cigarette which is touched by the lips of the cigarette smoking person when smoking the filter cigarette. Usually, the mouthpiece covering paper also protrudes slightly in the longitudinal direction of the tobacco cigarette in the longitudinal region of the tobacco rod, envelops the cigarette paper there and is adhesively bonded thereto. By making this bond filter part and tobacco rod part are mechanically connected in the cigarette machine. The tipping paper is in most cases actually a paper, but it can also be a film or a foil. In the case of forming the tipping paper as a film or foil, it may for example consist of cellulose hydrate.

Am tabakstrangnahen Ende ist das Mundstückbelagspapier üblicherweise etwas perforiert ausgeführt, sodass beim Saugen an der Zigarette Luft aus der Umgebung in den Filter gelangt und sich dort mit dem aus dem Tabakstrang kommenden Rauchstrom vermengt, wodurch die Rauchwerte vorteilhaft verändert werden.At the end close to the tobacco rod mouthpiece paper is usually carried out somewhat perforated, so that when sucking on the cigarette air from the environment enters the filter and there mixed with the coming out of the tobacco rod smoke flow, whereby the smoke values are changed advantageous.

Üblicherweise weist das Mundstückbelagspapier eine optisch ansprechende Bedruckung auf. Oftmals erinnert diese Bedruckung an Kork oder Tabak. Es kommen auch Mundstückbelagspapiere zum Einsatz, welche zusätzlich zur optischen Bedruckung einen Belag von Stoffen oder eine Imprägnierung mit Stoffen aufweisen, welche beim Rauchen eine oder mehrere Sinneswahrnehmungen wie Geruch, Geschmack, Kälte (Frische) oder Hitze (Schärfe) hervorrufen. Beispielsweise wird in der WO 2006128551 A1 vorgeschlagen, einen Aromastoff mit Hilfe eines Tintenstrahldruckers z.B. auf das Mundstückbelagspapier aufzubringen.Usually, the tipping paper has a visually appealing print. Often this print reminds of cork or tobacco. There are also mouthpiece covering papers are used, which in addition to the optical printing a coating of substances or impregnation with substances that cause one or more sensory perceptions such as smell, taste, cold (freshness) or heat (sharpness) when smoking. For example will be in the WO 2006128551 A1 proposed to apply a flavor with the aid of an inkjet printer, for example, on the tipping paper.

In der AT 260756 B wird vorgeschlagen, Mundstückbelagspapier mit einer Überzugsschicht zu versehen, welche Feinstpulver aus Schalen tropischer Nüsse enthält, um die Oberflächenbeschaffenheit von Naturkork zu imitieren.In the AT 260756 B It is proposed to provide tipping paper with a coating layer containing fine powder of tropical nut shells to mimic the surface finish of natural cork.

In der DE 3411511 C2 wird vorgeschlagen, das Mundstückbelagspapier mit einer Substanz auszustatten, welche zufolge erhöhter Temperatur ihre Farbe bleibend ändert. Für das Herbeiführen der Farbänderung prägt man das Mundstückbelagspapier mit einem erhitzten, eine Oberflächenstruktur aufweisenden Stempel, damit prägt man auch eine Struktur auf das Mundstückbelagspapier. Zwischen dem Mundstückbelagspapier und dem tatsächlichen Filter liegt üblicherweise das Filterhüllpapier, dessen Hauptfunktion es ist, das Material bzw. die Materialkomponenten des Filters in sich mechanisch zu fixieren, zumindest bis alles ohnedies durch das Mundstückbelagspapier, welches erst in der Zigarettenmaschine aufgebracht wird, zusammengehalten wird. In der DE 3005793 C2 wird vorgeschlagen das Filterhüllpapier, welches an der fertigen Zigarette letztendlich eine Zwischenschicht darstellt, aus Gründen der Luftdurchlässigkeit aus einem sehr hochporösen Papier zu bilden und es mit einem sehr feinen Raster aus Strukturlack zu bedrucken. Der Strukturlack verbessert die ansonsten störend geringe mechanische Stabilität des hochporösen Papiers. Indem der Strukturlack nur als feiner Raster aufgetragen wird, vermindert er die erwünschte hohe Luftdurchlässigkeit nicht. In der DE 3005793 C2 wird als passender Strukturlack ein heißschmelzender Kunststoffklebstoff vorgeschlagen.In the DE 3411511 C2 It is proposed to equip the tipping paper with a substance that changes its color permanently due to increased temperature. To effect the color change, the tipping paper is stamped with a heated die having a surface texture, so that a structure is also embossed on the tipping paper. Between the tipping paper and the actual filter is usually the filter paper whose main function is to mechanically fix the material or material components of the filter, at least until everything is held together by the tipping paper which is first applied in the cigarette machine. In the DE 3005793 C2 It is proposed the filter wrapper paper, which ultimately represents an intermediate layer of the finished cigarette to form for reasons of air permeability of a very highly porous paper and to print it with a very fine grid of textured paint. The textured paint improves the otherwise disturbingly low mechanical stability of the highly porous paper. By applying the textured paint only as a fine grid, it does not reduce the desired high air permeability. In the DE 3005793 C2 is proposed as a suitable structural paint, a hot-melt plastic adhesive.

Ein Strukturlack im Sinne dieser Beschreibung ist ein Lack, mit welchem sich auf einer Oberfläche ein feiner Raster einer fühlbar erhabenen Struktur drucken lässt, beispielsweise können dafür 5 bis 30 nebeneinander liegende Linien pro cm gedruckt werden, welche von nicht bedruckten Oberflächenbereichen um 10 µm bis 30 µm emporragen. Es sind damit aber auch feinere Strukturen, beispielsweise mit 100 nebeneinanderliegenden Linien pro cm druckbar.A textured paint in the sense of this description is a lacquer with which a fine grid of a tangibly raised structure can be printed on a surface, for example 5 to 30 lines lying side by side per cm can be printed for it protrude from non-printed surface areas by 10 microns to 30 microns. However, finer structures are also printable, for example with 100 lines lying side by side per cm.

Mit Strukturlack können fühlbare Bedruckungen hergestellt werden; Anwendungen dazu sind das Drucken von Blindenschrift, das Verbessern der Erkennbarkeit von Geldscheinen und das Verbessern des haptischen Eindrucks von Verpackungen. Letzteres wird beispielsweise in der WO 2011/001200 A1 vorgeschlagen.Textured paint can be used to create tactile prints; Applications include printing Braille, improving bill recognition, and improving the haptic impact of packaging. The latter is used for example in the WO 2011/001200 A1 proposed.

Ein weiteres wichtiges Anwendungsgebiet von Strukturlacken betrifft das Verändern der Reibungseigenschaften einer Oberfläche; je nach Ziel kann durch Auswahl des passenden Lackmaterials entweder die Gleitfähigkeit oder der Reibbeiwert erhöht werden.Another important application of structural paints relates to changing the friction properties of a surface; Depending on the target, either the lubricity or the coefficient of friction can be increased by selecting the appropriate lacquer material.

In der DE 2927893 C2 wird vorgeschlagen, das Zigarettenpapier mit Hilfe eines Strukturlackes, welcher Tabakpulver enthält mit einer Struktur zu bedrucken, sodass es in Optik und Haptik einem Tabakblatt möglichst ähnlich wird.In the DE 2927893 C2 It is proposed that the cigarette paper with the help of a textured paint, which contains tobacco powder with a structure to print so that it looks as similar as possible to a tobacco leaf in appearance and feel.

Es existieren zwar schon vielerlei Möglichkeiten, Mundstückbelagspapiere optisch zu gestalten und sie auch mit Mitteln für andere als optische Sinneseindrücke vorteilhaft auszustatten. In der Auswahl von dafür anwendbaren Substanzen und Zuständen von Substanzen, ist man allerdings stark beschränkt. Eine wesentliche Beschränkung ergibt sich aus dem Umstand, dass das Mundstückbelagspapier während Fertigung und Verpackung von Filterzigaretten erheblichen Reibungs- und Druckbelastungen ausgesetzt ist. Andere Beschränkungen ergeben sich aus Umwelteinflüssen, wie insbesondere hohe Luftfeuchtigkeit, welche am fertigen Produkt funktionelle Stoffe ungünstig beeinflussen können.Although there are already many ways to make mouthpiece covering papers visually and equip them with funds for other than optical sensory impressions advantageous. In the selection of applicable substances and states of substances, however, it is very limited. A significant limitation arises from the fact that the tipping paper is subject to considerable frictional and compressive loads during the manufacture and packaging of filter cigarettes. Other restrictions arise from environmental influences, such as in particular high humidity, which can affect the finished product functional substances unfavorable.

Vorrangiges Ziel der vorliegenden Erfindung ist es, die im vorigen Absatz genannten Beschränkungen zu mindern und somit die Auswahlmöglichkeiten von Substanzen und Zuständen von Substanzen die dafür verwendet werden können, die Eigenschaften von Mundstückbelagspapier zu beeinflussen, zu erweitern.The primary object of the present invention is to mitigate the limitations mentioned in the previous paragraph and thus to expand the choices of substances and conditions of substances that can be used to influence the properties of tipping paper.

Für das Lösen der Aufgabe wird vorgeschlagen, das Mundstückbelagspapier durch lokal begrenztes Bedrucken mit Strukturlack mit erhabenen Oberflächenbereichen zu versehen. In einer vorteilhaften Weiterentwicklung sind an den nicht erhaben liegenden Bereichen des Mundstückbelagspapieres weitere Substanzen aufgebracht, welche wenn überhaupt, auf dem Mundstückbelagspapier nicht so stark auftragen wie der Strukturlack.For solving the problem, it is proposed to provide the mouthpiece covering paper with localized printing with textured paint with raised surface areas. In an advantageous further development, further substances are applied to the non-raised areas of the tipping paper which, if at all, do not apply as much to the tipping paper as the structured lacquer.

In fertigem Zustand stellt die Oberfläche des Mundstückbelagspapieres somit eine Landschaft dar, welche Ebenen und von diesen emporragende Berge aufweist, wobei auf den Ebenen Substanzen, wie beispielsweise Farb- oder Duftstoffe aufgebracht sind und wobei die, diese Ebenen überragenden, Berge aus erhärtetem Strukturlack bestehen.In the finished state, the surface of the tipping paper thus represents a landscape, which has levels and mountains towering from them, wherein on the levels of substances such as dyes or fragrances are applied and wherein the mountains, these levels superior, consist of hardened textured paint.

Die wichtigste Funktion der durch erhärteten Strukturlack gebildeten Erhebungen ist die des Schutzes der auf den tiefer liegenden Flächenbereichen aufgebrachten Substanzen. Diese Schutzfunktion wird erreicht, indem harte Körper, welche an das Mundstückbelagspapier anstoßen oder an diesem gleiten oder reiben, vorwiegend oder ausschließlich nur mit den Kuppen der Erhebungen aus Strukturlack in Berührung kommen und nicht mit den dazwischen liegenden Flächenbereichen. Dadurch können an den dazwischen liegenden Flächenbereichen auch berührungsempfindliche Substanzen lange in unbeschädigtem Zustand erhalten werden.The most important function of the elevations formed by hardened textured lacquer is that of protecting the substances applied to the lower surface areas. This protective function is achieved by hard bodies which abut or slide on the tipping paper predominantly or exclusively come into contact only with the knobs of the structured lacquer elevations and not with the surface areas therebetween. As a result, contact-sensitive substances can also be obtained in the undamaged state for a long time at the intermediate surface areas.

Die Erfindung wird an Hand von Zeichnungen näher erklärt:

Fig. 1:
zeigt in stilisierter perspektivischer Darstellung einen Abschnitt eines ersten erfindungsgemäßen Mundstückbelagspapieres.
Fig. 2:
zeigt in stilisierter perspektivischer Darstellung einen Abschnitt eines zweiten erfindungsgemäßen Mundstückbelagspapieres.
Fig. 3:
zeigt einen Teil einer Zigarettenverpackungsmaschine in Teilschnittansicht. Die Blickrichtung liegt dabei parallel zur Förderrichtung der Zigaretten.
The invention is explained in more detail with reference to drawings:
Fig. 1:
shows a stylized perspective view of a portion of a first invention Mundstückbelagspapieres.
Fig. 2:
shows a stylized perspective view of a portion of a second mouthpiece covering paper according to the invention.
3:
shows a part of a cigarette packaging machine in partial section view. The viewing direction is parallel to the conveying direction of the cigarettes.

Gemäß Fig. 1 und Fig. 2 ist eine Seite des Mundstückbelagspapieres 1 durch Auftragen von Strukturlack mit Erhebungen 3, 13 versehen.According to Fig. 1 and Fig. 2 is one side of the mouthpiece covering paper 1 by applying textured paint with elevations 3, 13 provided.

Aus Anschaulichkeitsgründen bilden die Darstellungen gemäß Fig. 1 und Fig. 2 die Realität nicht maßstabsgetreu ab. Die Höhe der aus Strukturlack gebildeten Erhebungen 3, 13 ist unverhältnismäßig stark gestreckt dargestellt. Anders als es in der Realität tatsächlich der Fall ist, sind die Teilflächen der Oberfläche der aus Strukturlack gebildeten Erhebungen 3, 13 ausschließlich als ebene Flächen die ohne jede Abrundung an Nachbarflächen anschließen gezeichnet.For reasons of clarity, the illustrations form in accordance with Fig. 1 and Fig. 2 the reality is not true to scale. The height of the elevations formed from textured paint 3, 13 is shown disproportionately stretched. Contrary to what is actually the case in reality, the partial surfaces of the surface of the elevations 3, 13 formed from textured lacquer are drawn exclusively as flat surfaces which adjoin neighboring surfaces without any rounding off.

Im Beispiel gemäß Fig. 1 ist durch Strukturlack ein Raster von inselartig voneinander beabstandeten Erhebungen mit kreuzförmiger Grundfläche gebildet. Die nicht mit Strukturlack bedeckte Fläche 2 ist nicht in einzelne voneinander getrennte Teilflächen aufgeteilt.In the example according to Fig. 1 is formed by textured paint a grid of island-like spaced elevations with a cross-shaped base. The area not covered with textured paint 2 is not divided into individual separate sub-areas.

Im Beispiel gemäß Fig. 2 bilden die aus Strukturlack bestehenden Erhebungen 13 einen Raster aus sich kreuzenden, über viele Rasterperioden durchgehenden Linien, zwischen denen rechteckige Flächen 2 eingeschlossen werden, an denen kein Strukturlack aufgetragen ist.In the example according to Fig. 2 The elevations 13, which consist of structural paint, form a grid of intersecting lines which pass through many grid periods, between which rectangular areas 2 are enclosed, to which no textured paint is applied.

Durch die aus Strukturlack gebildeten Erhebungen werden die tiefer liegenden Flächenbereiche 2 vor Berührung durch stumpfe Gegenstände geschützt, da diese Gegenstände an den Kämmen der Erhebungen 3, 13 anstoßen. Die Erhebungen 3, 13 wirken also als Abstandshalter.As a result of the elevations formed from structured lacquer, the deeper surface areas 2 are protected from contact by blunt objects, since these objects abut the combs of the elevations 3, 13. The elevations 3, 13 thus act as spacers.

Auf Grund dieser Abstandshalterfunktion werden für die geschützt tief liegenden Flächenbereiche 2 Beschichtungen anwendbar, welche dafür bisher wegen ihrer zu hohen Empfindlichkeit gegen mechanische Beschädigung oder allgemein gegen Berührung nicht anwendbar waren. Beispielsweise bedeutet das:

  • Es können nun auch Lacke auf die Flächen 2 aufgebracht werden, welche relativ große, aus der Polymermatrix des Lackes herausragende Farbpigmente aufweisen. Bisher war der Einsatz derartiger Lacke - mit denen sehr vorteilhafte optische Effekte erzielbar sind - kaum möglich, da die vorstehenden Pigmente durch Reibung des Mundstückbelagspapieres 1 an sich selbst und an Maschinenteilen beim Herstellen und Verpacken der Zigaretten abgerieben wurden.
  • Generell können nun auch poröse, leicht brüchige, auf Abrieb empfindliche Schichten auf die Flächen 2 aufgebracht werden bzw. die Fläche 2 damit getränkt werden.
  • Die Flächen 2 können mit Substanzen versehen werden, aus denen im Lauf eines Trocknungsvorganges kleine Kristalle an die Oberfläche wachsen. Diese Kristalle können optisch vorteilhaft aussehen und sie können gut schmecken. Beispielsweise können die Kristalle überwiegend aus Salz oder Zucker bestehen.
  • Es werden erstmals eine Vielzahl von Beschichtungen und Tränkungen für die Flächen 2 anwendbar, welche aus einer aushärtenden Matrix und darin verkapselt eingeschlossenen Stoffen mit sensorischer Wirkung bestehen, wobei die verkapselten Stoffe mit sensorischer Wirkung erst durch auftretende Umgebungsbedingungen frei werden. Bisher waren Schichten in denen Stoffe mit sensorischer Wirkung in eingekapselter Form enthalten waren für diesen Anwendungsfall mechanisch zu empfindlich. Anmerkung: Mit dem Begriff "Stoff mit sensorischer Wirkung" sind in diesem Dokument Stoffe wie Aromastoffe (durch Geschmackssinn wahrnehmbar), Duftstoffe (durch Geruchssinn wahrnehmbar), als Kälte (Frische) oder Wärme oder sonstigen Reiz fühlbare Stoffe oder auch Stoffe, welche die Empfindung von Geruchsstoffen abändern, beispielsweise neutralisieren oder absorbieren, zusammenfassend bezeichnet.
  • Die Flächen 2 können nun auch mit Substanzen versehen werden, welche - neben anderen erwünschten Funktionen - auch pastös oder gelförmig bleiben oder werden können und welche sich damit bei direkter Berührung klebrig oder fettig anfühlen können. Bisher konnten derartige Substanzen nicht angewendet werden, weil dann Zigaretten miteinander verklebt wären. Insbesondere werden damit auch Beschichtungs- oder Tränkungssubstanzen (wie beispielsweise Zucker oder Zitronensäure) erstmals problemlos anwendbar, welche bei längerer Aufbewahrung an hoher Luftfeuchtigkeit klebrig werden.
  • Es kann auch Puder, also kleine Partikel wie Flocken, Gewürzkristalle, Pflanzenstäube etc. auf die Fläche 2 aufgebracht werden, wobei eine Vielzahl dieser Partikel gemeinsam als Pulver oder Staub oder Ähnliches vorliegen und nicht von einer flüssigen, aushärtbaren Matrix umgeben sind. Bisher war das nicht sinnvoll möglich, weil die Partikel wieder abgerieben worden wären bevor die Zigarette konsumiert worden wäre.
    Die Partikel des Puders können ganz oder weitgehend ganz ohne die Anwendung von Bindemittel auf die Fläche 2 aufgebracht werden.
    Natürlich kann man aber auch die Fläche 2 erst mit einer dünnen Schicht Bindemittel bedrucken und dann Puder auf das noch nicht ausgehärtete Bindemittel aufbringen. Die Partikel sind dann nur zu einem kleinen Teil mit ihrer Oberfläche mit Bindemittel in Kontakt.
    Damit werden Mittel auf das Mundstückbelagspapier aufbringbar, welche bestimmungsgemäß durch Kontakt mit den Lippen oder den Fingern der rauchenden Person an die Lippen bzw. Finger dieser Person übertragen werden. Interessant ist das vor allem für hautpflegende Substanzen und für Substanzen, welche störende Gerüche (z.B. an den Fingern) vermeiden helfen.
Due to this spacer function 2 coatings are applicable for the protected deep surface areas, which previously were not applicable because of their high sensitivity to mechanical damage or generally against contact. For example, this means:
  • It is now also possible to apply lacquers to the surfaces 2 which have relatively large color pigments which protrude from the polymer matrix of the lacquer. So far, the use of such paints - with which very advantageous optical effects can be achieved - hardly possible because the above pigments were rubbed off by friction of the tipping paper 1 on itself and on machine parts in the manufacture and packaging of cigarettes.
  • In general, porous, slightly brittle, abrasion-sensitive layers can now be applied to the surfaces 2 or the surface 2 can be soaked.
  • The surfaces 2 can be provided with substances from which grow small crystals to the surface during a drying process. These crystals can look visually beneficial and they can taste good. For example, the crystals may consist predominantly of salt or sugar.
  • It is the first time a variety of coatings and impregnations for the surfaces 2 applicable, which consist of a thermosetting matrix and enclosed encapsulated substances with sensory effect, the encapsulated substances with sensory effect are released only by ambient conditions occurring. Previously, layers in which substances with sensory effect contained in encapsulated form were mechanically too sensitive for this application. Note: The term "sensory effect substance" in this document refers to substances such as flavorings (perceptible by the sense of taste), fragrances (perceptible by the sense of smell), substances that are sensible as cold (freshness) or heat or other stimulants or substances that affect the senses from Modify odors, for example, neutralize or absorb, collectively referred to.
  • The surfaces 2 can now also be provided with substances which - in addition to other desired functions - remain pasty or gel or can and which can feel sticky or greasy with direct contact. So far, such substances could not be used, because then cigarettes would be glued together. In particular, coating substances or impregnating substances (such as, for example, sugars or citric acid) are thus for the first time readily applicable, which become sticky on prolonged storage at high atmospheric humidity.
  • It can also powder, so small particles such as flakes, spice crystals, plant dusts, etc. are applied to the surface 2, wherein a plurality of these particles are present together as powder or dust or the like and are not surrounded by a liquid, curable matrix. So far, this was not meaningful, because the particles would have been rubbed off again before the cigarette had been consumed.
    The particles of the powder can be wholly or largely applied to the surface 2 without the use of binder.
    Of course you can also print the area 2 first with a thin layer of binder and then apply powder on the not yet cured binder. The particles are then in contact only to a small extent with their surface with binder.
    This means can be applied to the mouthpiece covering paper, which are intended to be transmitted by contact with the lips or the fingers of the smoking person to the lips or fingers of this person. This is especially interesting for skin-care substances and for substances that help to avoid unpleasant odors (eg on the fingers).

Neben der Schutzfunktion für Beschichtungen oder Tränkungen der tiefer liegenden Flächenbereiche 2 des Mundstückbelagspapieres 1 sind durch die strukturierten Erhebungen 3, 13 an weiteren Vorteilen erzielbar:

  • Bevor das Mundstückbelagspapier 1 an der Zigarettenmaschine endverarbeitet wird, wird es mit diversen Bedruckungen und evtl. Imprägnierungen versehen. Zwischen den einzelnen Verarbeitungsschritten liegt das Mundstückbelagspapier 1 in Form von Rollen vor. Aus diesen Rollen müssen Lösemittel, welche von den diversen Bedruckungen und Imprägnierungen stammen abdampfen. Durch das Vorhandensein von strukturierten Erhebungen 3, 13 geht dieses Abdampfen rascher vonstatten als ohne diese Erhebungen, weil diese Erhebungen auf Grund ihrer Abstandshalterfunktion eine bessere Belüftung des Papieres bewirken. Es können damit also Zwischenlagerzeiten eingespart werden. In diesem Zusammenhang ist eine Anordnung von voneinander inselartig getrennten lokalen Erhebungen 3 (Fig. 1) vorteilhafter als Erhebungen 13, welche ein durchgehendes Netz bilden (Fig. 2).
In addition to the protective function for coatings or impregnations of the lower-lying surface regions 2 of the tipping paper 1, the structured elevations 3, 13 can be used to obtain further advantages:
  • Before the tipping paper 1 is processed on the cigarette machine, it is provided with various imprints and possibly impregnations. Between the individual processing steps, the tipping paper 1 is in the form of rolls. From these roles, solvents that originate from the various printing and impregnation must evaporate. Due to the presence of structured elevations 3, 13 this evaporation is faster than without these surveys, because these surveys cause due to their spacer function better ventilation of the paper. It can thus be saved so intermediate storage times. In this connection, an arrangement of local isolated elevations 3 (FIG. Fig. 1 ) more advantageous than elevations 13, which form a continuous network ( Fig. 2 ).

Durch die strukturierten Erhebungen, welche dafür vorzugsweise inselartig voneinander getrennt sein sollen, kann nicht nur das Abdampfen von zu entfernenden Substanzen beschleunigt werden, sondern es kann auch umgekehrt der Kontakt von erwünschten Substanzen, welche als Gas, Dampf, Aerosol oder Puder und/oder Kombinationen daraus vorliegen, mit dem Mundstückbelagspapier beschleunigt werden, während dieses Mundstückbelagspapier als Rolle in einer mit der betreffenden Gasphase angereicherten Umgebung aufbewahrt wird. Durch diesen Kontakt können beispielsweise manche gut als Dampfphase handhabbaren Stoffe mit sensorischer Wirkung sehr schonend in das Mundstückbelagspapier eingebracht werden. Man kann aber auch Stoffe, welche schon im oder am Mundstückbelagspapier sind, durch schonende Reaktion mit der das Mundstückbelagspapier umgebenden Gasphase eines Stoffes im Sinne von "reifen lassen" gezielt verändern. Um den Kontakt zwischen Mundstückbelagspapier und Gasphase zu intensivieren, kann die Gasphase beispielsweise durch ein Gebläse, bewegt werden.The structured elevations, which should preferably be separated from one another in an island-like manner, can not only accelerate the evaporation of substances to be removed, but conversely, the contact of desired substances, which are in the form of gas, steam, aerosol or powder and / or combinations from being accelerated with the tipping paper while this tipping paper is stored as a roll in an environment enriched with the gas phase in question. By means of this contact, for example, some substances which can be handled well as vapor phase and have a sensory effect can be introduced very gently into the mouthpiece covering paper. But you can also substances that are already in or on the mouthpiece covering paper, by gentle reaction with the mouthpiece covering paper surrounding gas phase of a substance in the sense of "mature let" specifically change. To contact between To intensify tipping paper and gas phase, the gas phase can be moved, for example by a blower.

Wenn eine Struktur 3 von Erhebungen an jener Seite des Mundstückbelagspapieres 1 angebracht wird, welche an der fertigen Zigarette an der dem Filterhüllpapier zugewandt liegt, so wird damit erreicht, dass vermehrt Luft zwischen Mundstückbelagspapier 1 und Filterhüllpapier strömen kann. Das ist hilfreich für das Einstellen von erwünschten Rauchwerten, was ja in hohem Maß dadurch geschieht, dass dem vom Tabakstrang kommenden Rauchstrom im Filter Frischluft beigemischt wird. Auch in diesem Zusammenhang ist eine Anordnung von voneinander getrennten lokalen Erhebungen 3 (Fig. 1) vorteilhafter als Erhebungen 13, welche ein durchgehendes Netz bilden (Fig. 2).If a structure 3 of elevations on that side of the tipping paper 1 is applied, which is located on the finished cigarette on the filter wrapper paper, so it is achieved that more air between tipping paper 1 and filter wrapper can flow. This is helpful for setting desired smoke values, which is done to a high degree by adding fresh air to the smoke stream coming from the tobacco rod in the filter. Also in this context is an arrangement of separate local elevations 3 ( Fig. 1 ) more advantageous than elevations 13, which form a continuous network ( Fig. 2 ).

Durch strukturierte Erhebungen 3, 13 kann das haptische Empfinden beim Anfassen einer Zigarette verbessert werden. Insbesondere kann es damit leichter gemacht werden, eine Zigarette aus einer vollen Zigarettenpackung zu entnehmen.By structured elevations 3, 13, the haptic sensation when touching a cigarette can be improved. In particular, it can be made easier to remove a cigarette from a full packet of cigarettes.

Fig. 3 zeigt jenen Teil einer Zigarettenverpackungsmaschine an welchem eine sehr große Reibungsbeanspruchung auf das Mundstückbelagspapier einer Zigarette auftritt. Für das Verpacken von Zigaretten 4 in eine Zigarettenpackung werden die in die Packung einzubringenden Zigaretten 4 in ihrer Längsrichtung längs eines sich verengenden Förderkanals 5 bewegt. Dabei werden die Zigaretten 4 immer stärker aneinander gedrückt und reiben an den Wänden des Förderkanals 5. Dieses Reiben erfolgt vor allem mit dem Mundstückbelagspapier 1 der Zigaretten, da dieses den gegenüber dem Tabakstrangteil festeren Filterteil der Zigaretten 4 umfasst. Indem das Mundstückbelagspapier 1 an seiner Außenseite erfindungsgemäß mit einer Struktur von Erhebungen 3, 13, 23 aus ausgehärtetem Strukturlack versehen ist, werden die zwischen diesen Erhebungen liegenden Oberflächenbereiche des Mundstückbelagspapieres 1 von Reibung mit den Wänden des Förderkanals 5 verschont. Fig. 3 shows that part of a cigarette packaging machine on which a very large frictional stress on the tipping paper of a cigarette occurs. For the packaging of cigarettes 4 in a cigarette pack, the cigarettes 4 to be introduced into the pack are moved in their longitudinal direction along a narrowing conveying channel 5. The cigarettes 4 are pressed against each other more and more and rub against the walls of the conveyor channel 5. This rubbing is done mainly with the mouthpiece covering paper 1 of the cigarettes, since this comprises the opposite to the tobacco rod part firmer filter part of the cigarette 4. By providing the mouthpiece covering paper 1 on its outer side according to the invention with a structure of elevations 3, 13, 23 of hardened textured paint, the surface areas of the mouthpiece covering paper 1 lying between these elevations are spared from friction with the walls of the conveying channel 5.

Für diesen Anwendungszweck ist es vorteilhaft, wenn die Erhebungen 23 durch ein Lackmaterial gebildet sind, welches in ausgehärtetem Zustand einen möglichst niedrigen Reibungskoeffizienten gegen Metall aufweist.For this application, it is advantageous if the elevations 23 are formed by a paint material, which has the lowest possible friction coefficient against metal in the cured state.

An der Zigarettenmaschine wird ein Stück Mundstückbelagspapier um den Filterteil der Zigarette gewickelt. Die sich in Umfangsrichtung der Zigarette in kleines Stück überlappenden Ränder des Mundstückbelagspapieres werden miteinander verleimt. Bei dem Verleimungsvorgang muss eine gewisse Mindesthaftung zwischen den überlappenden Rändern des Mundstückbelagspapieres sehr rasch erreicht werden, da ansonsten die Taktzeit der Zigarettenmaschine verringert wird. Die Mindesthaftung wird beschleunigt erreicht, wenn die Wasseraufnahmefähigkeit der zu verleimenden Körper beschleunigt wird und/oder wenn die zu verleimenden Körper durch von der Oberfläche abstehende Teile die mechanische Verankerung erleichtern. Die Erhebungen 3, 13, 23 stellen derartig abstehenden Teile dar. Bevorzugt enthalten sie eine Substanz, welche gut Wasser aufsaugt. Die Anwendung von strukturierten Erhebungen 3, 13, 23 als Unterstützung beim Verleimen ist dann entscheidend wichtig und vorteilhaft, wenn als Mundstückbelagspapier nicht ein echtes Papier, sondern eine Folie, beispielsweise aus Cellulosehydrat verwendet wird.At the cigarette machine, a piece of tipping paper is wrapped around the filter part of the cigarette. The edges of the tipping paper overlapping in the circumferential direction of the cigarette are glued together. In the gluing process, a certain minimum adhesion between the overlapping edges of the tipping paper must be achieved very quickly, since otherwise the cycle time of the cigarette machine is reduced. The minimum adhesion is achieved more quickly if the water absorption capacity of the bodies to be bonded is accelerated and / or if the bodies to be bonded facilitate mechanical anchoring by means of parts projecting from the surface. The elevations 3, 13, 23 represent such protruding parts. Preferably, they contain a substance which absorbs water well. The use of structured elevations 3, 13, 23 as an aid in glueing is then crucially important and advantageous if the tipping paper used is not a true paper but a film, for example of cellulose hydrate.

Vor allem in der der tabakstrangseitigen Hälfte des Mundstückbelagspapieres ist dieses üblicherweise etwas perforiert ausgeführt, sodass beim Saugen an der Zigarette Luft aus der Umgebung in den Filter gelangt und sich dort mit dem aus dem Tabakstrang kommenden Rauchstrom vermengt, wodurch die Rauchwerte vorteilhaft verändert werden. Wenn das Mundstückbelagspapier kein echtes Papier ist, sondern eine Folie, so bildet sich erfahrungsgemäß durch das Perforieren - was zumeist durch einen Laser bewerkstelligt wird - am Rand der einzelnen Perforationslöcher ein kleiner, von der Ebene des Mundstückbelagspapiers emporstehender Grat. Dieser Grat stört dann sehr stark, wenn das Mundstückbelagspapier noch vor dem Verarbeiten in der Zigarettenmaschine zu einer Bobine mit vielen einzelnen Wickellagen gewickelt werden soll. Bei den einzelnen Wickellagen liegen nämlich die Flächenbereiche einer Wickellage, an welchen sich besagte Grate befinden genau auf solchen Flächenlagen der nächstinneren Wicklung auf, an denen sich auch besagte Grate befinden. Letztendlich bewirkt das, dass durch das Wickeln an den Flächenbereichen des Mundstückbelagspapiers, an welchen sich die Perforationslöcher befinden, sehr viel höhere Zugspannungen auftreten als an Flächenbereichen an denen sich keine Perforationslöcher befinden. Der Effekt nimmt mit steigender Wicklungsanzahl so sehr zu, dass dadurch die maximal mögliche Wicklungsanzahl störend begrenzt wird. Als Behelf wickelt man entweder nur Bobinen mit relativ kleiner Wicklungsanzahl, oder man stellt die Perforation erst in der Zigarettenmaschine her, nämlich dann, wenn das Mundstückbelagspapier nach dem Perforieren gar nicht mehr zu einer Bobine aufgewickelt wird. Beide Behelfe haben Nachteile. Die erste Möglichkeit bewirkt eine unerwünschte Erhöhung des logistischen Aufwandes. Die zweite Möglichkeit bewirkt bei einigen Arten und Stärken von als Folie ausgebildeten Mundstückbelagspapieren eine störende Begrenzung der Maximalgeschwindigkeit, mit der die Zigarettenmaschinen arbeiten kann.Especially in the tobacco rod side half of the mouthpiece covering paper this is usually carried out somewhat perforated, so that when sucking on the cigarette air from the environment enters the filter and there mixed with the coming out of the tobacco rod smoke flow, whereby the smoke values are advantageously changed. If the tipping paper is not a real paper but a film, experience shows that the perforation - which is usually accomplished by a laser - forms a small ridge rising from the plane of the tipping paper at the edge of the individual perforations. This burr then interferes very strongly when the tipping paper even before processing in the cigarette machine to a reel with many individual winding layers to be wound. In fact, in the case of the individual winding layers, the surface areas of a winding layer to which said burrs are located are located exactly on such surface layers of the next inner winding on which said burrs are located. Ultimately, this causes that by the winding at the surface areas of the mouthpiece covering paper, to which the perforation holes are located, much higher tensile stresses occur than at surface areas where there are no perforation holes. The effect increases with increasing number of turns so much that thereby the maximum possible number of turns is distractingly limited. As a makeshift you wound either only reels with relatively small number of turns, or you make the perforation ago in the cigarette machine ago, namely, when the mouthpiece covering paper is no longer wound after perforation to a reel. Both aids have disadvantages. The first possibility causes an undesirable increase in the logistical effort. The second possibility causes in some types and strengths of trained as a film mouthpiece covering papers a disturbing limitation of the maximum speed with which the cigarette machines can work.

Indem man das als Folie ausgebildete Mundstückbelagspapier mit einer Struktur von Erhebungen 3, 13, 23 aus erhärtetem Lack ausbildet, fallen jene Erhebungen, die durch das Perforieren als Grat um die Perforationsöffnungen gebildet wurden, beim Wickeln des Mundstückbelagspapiers zu einer Bobine nicht ins Gewicht. Die beim Wickeln erforderliche Zugkraft auf das Mundstückbelagspapier wird dadurch besser gleichmäßig auf eine größere Breite des Mundstückbelagspapiers aufgeteilt. Es können dadurch Bobinen mit höherer Wicklungsanzahl gebildet werden, ohne dass es zu Beschädigungen an den Perforationszonen kommt.By forming the sheet-formed mouthpiece covering paper having a structure of protrusions 3, 13, 23 of hardened paint, those protrusions formed by the perforation as a ridge around the perforation openings are not significant in winding the mouthpiece covering paper into a reel. The tensile force on the tipping paper required for winding is thereby better divided evenly over a larger width of the tipping material. It can thereby be formed bobbins with higher number of turns, without causing damage to the perforation zones.

Besonders stark ist der Effekt dann, wenn Perforationslöcher nur an solchen Flächenbereichen 2 des als Folie ausgebildeten Mundstückbelagspapiers angebracht werden, welche zwischen den Erhebungen 3, 13, 23 liegen.The effect is particularly pronounced when perforation holes are applied only to those surface areas 2 of the foil-shaped mouthpiece covering paper which lie between the elevations 3, 13, 23.

Für die besprochenen Schutzfunktionen ist es wichtig, dass die Erhebungen 3, 13, 23 aus ausgehärtetem Strukturlack in der zur Ebene des Mundstückbelagspapieres 1 normal liegenden Richtung über die zwischen einzelnen Erhebungen liegenden, nicht mit Strukturlack versehenen Flächenbereiche 2 des Mundstückbelagspapieres 1 emporragen. Aus geometrischen Überlegungen ist unmittelbar erkennbar, dass die Erhebungen vermehrt vorstehen sollen, wenn der Abstand zwischen ihnen größer wird und wenn die Oberfläche auf der sie aufgetragen werden mehr konvex gekrümmt wird. Die Fühlbarkeit von strukturierten Beschichtungen beginnt bei einer Höhe der Beschichtung von etwa 5 bis 15 µm.For the protective functions discussed, it is important that the elevations 3, 13, 23 protrude from hardened textured paint in the direction normal to the level of the mouthpiece covering paper 1 over the lying between individual surveys, not provided with textured surface areas 2 of the mouthpiece covering paper 1. From geometrical considerations it is immediately apparent that the projections should protrude more if the distance between them increases and if the surface on which they are applied is more convexly curved. The feelability of structured coatings begins at a height of the coating of about 5 to 15 microns.

Als Material des Strukturlackes eigenen sich vor allem jene Lackarten, welche vorwiegend auf die damit kontaktierten Oberflächen auftragen und weniger solche, welche vorwiegend aufgesaugt werden. In der Fachwelt sind viele Strukturlacke bekannt.As a material of the structural paint are especially those types of paint, which mainly apply to the surfaces contacted with it and less those that are mainly absorbed. Many structural coatings are known in the art.

Als Verfahren für das Auftragen von Strukturlack auf das Mundstückbelagspapier eignen sich vor allem Siebdruck insbesondere Rotationssiebdruck sowie Tiefdruck, insbesondere Rollenrotationstiefdruck. Rotationssiebdruck und Rollenrotationstiefdruck sind gut für Papierbänder geeignet. Durch Rollenrotationstiefdruck ist für den vorliegenden Anwendungsfall das schnellste Bedrucken möglich.As a method for applying textured paint on the tipping base paper are especially screen printing in particular rotary screen printing and gravure, especially rotary gravure gravure. Rotary screen printing and web gravure gravure printing are well suited for paper tapes. Web gravure gravure printing makes the fastest possible printing possible for the present application.

Beim Tiefdruck wird eine Druckform, deren Oberfläche Vertiefungen aufweist mit Lack benetzt, dann durch eine Rakel abgestrichen und dann mit der zu bedruckenden Fläche in Kontakt gebracht, wobei ein Teil des in den Vertiefungen verbliebenen Lacks an der zu bedruckenden Fläche haften bleibt. Beim Rollenrotationstiefdruck ist die Druckform eine Walze, die sogenannte Druckwalze. Diese rotiert um eine horizontale Achse und ist so angeordnet, dass sie mit ihrem unteren Mantelflächenbereich durch ein Lackbad fährt und mit ihrem oberen Mantelflächenbereich das zu bedruckende Papier, welches mit Umfangsgeschwindigkeit der Druckwalze bewegt wird, berührt. Die Mantelfläche der Druckwalze weist Vertiefungen auf. Im Lackbad wird die Mantelfläche der Druckwalze mit Lack benetzt. Überschüssiger, aus dem Lackbad angehobener Lack wird von der Oberfläche der Druckwalze durch eine Rakel abgestrichen; vom verbleibenden, in den Vertiefungen angeordneten Lack wird bei Kontakt mit dem zu bedruckenden Papier ein Teil auf das Papier übertragen. Die besagten Vertiefungen auf der Mantelfläche der Druckwalze sind bei üblichem Bedrucken von Mundstückbelagspapier etwa 30 µm bis 50 µm tief. Für das Bedrucken von Mundstückbelagspapier zur Herstellung einer erfindungsgemäßen Lackstruktur müssen die Vertiefungen mindestens etwa 20µm tief sein (wenn die Flächenbereiche 2 nicht durch einen auftragenden Druck bedruckt werden und wenn die gedruckten Strukturen relativ fein sind) und können maximal etwa 240 µm tief sein. Sehr gute Ergebnisse werden erzielt, wenn die Tiefe zwischen 100 µm bis 150 µm beträgt.In gravure printing, a printing plate whose surface has recesses wetted with lacquer, then scraped by a doctor blade and then brought into contact with the surface to be printed, with a part of the remaining in the wells lacquer adhering to the surface to be printed. In web-fed gravure printing, the printing form is a roller, the so-called printing roller. This rotates about a horizontal axis and is arranged to be moves with its lower lateral surface area through a coating bath and touches with its upper lateral surface area the paper to be printed, which is moved at the peripheral speed of the pressure roller. The lateral surface of the pressure roller has recesses. In the paint bath, the lateral surface of the pressure roller is wetted with paint. Excess paint raised from the paint bath is scraped from the surface of the printing roll by a squeegee; From the remaining, arranged in the wells paint part is transferred to the paper upon contact with the paper to be printed. The said depressions on the lateral surface of the pressure roller are about 30 μm to 50 μm deep in the case of customary printing on mouthpiece covering paper. For the printing of tipping paper for the production of a lacquer structure according to the invention, the depressions must be at least about 20 μm deep (if the surface regions 2 are not printed by an applied pressure and if the printed structures are relatively fine) and can be at most about 240 μm deep. Very good results are achieved when the depth is between 100 μm to 150 μm.

Es sei noch darauf hingewiesen, dass sich die gedruckten Strukturen nicht in gleichmäßiger Dichte über die gesamte Oberfläche einer Seite des Mundstückbelagspapieres zu erstrecken brauchen. Beispielsweise können mehr und/oder anders geformte Erhebungen an jenen Flächenbereichen angebracht sein, welche vor allem von den Fingern der rauchenden Person berührt werden, als an jenen Flächenbereichen, welche vor allem von den Lippen der rauchenden Person berührt werden.It should be noted that the printed structures need not extend in uniform density over the entire surface of one side of the tipping paper. For example, more and / or differently shaped elevations may be attached to those areas which are primarily touched by the fingers of the person smoking, rather than to those areas which are primarily touched by the lips of the person smoking.

Auch die nicht erhaben liegenden Flächenbereiche 2 des Mundstückbelagspapieres können an unterschiedlichen Gebieten des Mundstückbelagspapieres unterschiedlich behandelt sein. Beispielsweise kann an jenem Teil des Mundstückbelagspapieres, welches an der fertigen Zigarette dem Tabakstrang näher liegt und damit vorwiegend durch die Finger der die Zigarette rauchenden Person berührt werden wird, vorwiegend Substanzen aufgebracht werden, welche störenden Geruch an den Fingern vermeiden helfen. Zum offenen Ende des Filterteils der Zigarette hin sollten die Flächenbereiche 2 das Mundstückbelagspapieres eher mit Geschmacksstoffen versehen sein oder mit einer Lippenpflegesubstanz.The non-raised surface areas 2 of the mouthpiece covering paper can also be treated differently on different areas of the mouthpiece covering paper. For example, substances can be predominantly applied to that part of the tipping paper which is closer to the tobacco rod on the finished cigarette and thus will be touched predominantly by the fingers of the person smoking the cigarette help to avoid disturbing smell on the fingers. Towards the open end of the filter part of the cigarette, the surface areas 2 of the mouthpiece covering paper should be provided with flavoring agents or with a lip-care substance.

Claims (23)

  1. A mouthpiece lining paper for a smoking article (1), which forms the outermost layer of the casing of the filter,
    characterized in that
    the mouthpiece lining paper (1) is provided with a structure of locally limited elevations (3, 13, 23) made of hardened varnish, and in that between the elevations (3, 13, 23) there are surface areas (2) of the mouthpiece lining paper (1), above which the elevations (3, 13, 23) project by at least 5 µm in the direction normal to the plane of the mouthpiece lining paper (1).
  2. The mouthpiece lining paper as claimed in claim 1, characterized in that the elevations (3, 13, 23) are arranged on the outer side of the mouthpiece lining paper (1), and in that the surface areas (2) are coated and/or impregnated with substances.
  3. The mouthpiece lining paper as claimed in claim 2, characterized in that a varnish which has colored pigments projecting out of the polymer matrix of the varnish is applied to the surface areas (2).
  4. The mouthpiece lining paper as claimed in claim 1 or claim 2, characterized in that a substance having a sensory action is applied to the surface areas (2).
  5. The mouthpiece lining paper as claimed in claim 4, characterized in that a substance, the surface of which has crystals, is applied to the surface areas (2).
  6. The mouthpiece lining paper as claimed in claim 4 or claim 5, characterized in that a substance which has a matrix and substances with a sensory action enclosed therein in encapsulated form is applied to the surface areas (2).
  7. The mouthpiece lining paper as claimed in one of claims 4 to 6, characterized in that a substance which is pasty, gel-like, sticky and/or greasy is applied to the surface areas (2).
  8. The mouthpiece lining paper as claimed in one of claims 4 to 7, characterized in that particles without a surrounding hardened liquid matrix are applied to the surface areas (2).
  9. The mouthpiece lining paper as claimed in one of claims 2 to 8, characterized in that, of the surface areas (2), those located closer to the tobacco rod of the cigarette are provided with a different substance than those located closer to the open filter end of the cigarette.
  10. The mouthpiece lining paper as claimed in one of claims 1 to 9, characterized in that the elevations (3, 13, 23) consist of a hardened varnish which, with respect to metal and/or ceramic, has a lower coefficient of friction than the unprinted mouthpiece lining paper (1) and/or the mouthpiece lining paper (1) in the surface areas (2).
  11. The mouthpiece lining paper as claimed in claim 1, characterized in that elevations (3, 13) are arranged on the inner side of the mouthpiece lining paper (1).
  12. The mouthpiece lining paper as claimed in one of the claims 1 to 11, characterized in that elevations (3) project upward out of an undivided area (2) in the manner of islands, which means without any connection to one another in the form of an elevation.
  13. The mouthpiece lining paper as claimed in one of claims 1 to 12, characterized in that the mouthpiece lining paper (1) is a film or foil material, particularly cellulose hydrate.
  14. The mouthpiece lining paper as claimed in claim 13, characterized in that the hardened varnish of which the elevations (3, 13, 23) consist is hygroscopic and/or water-absorbent.
  15. The mouthpiece lining paper as claimed in one of claims 13 to 14, characterized in that it has perforation holes, preferable the perforation holes are located exclusively in surface areas (2).
  16. A method for the production of a mouthpiece lining paper for a smoking article as claimed in one of claims 1 to 15, characterized in that the production of the elevations (3, 13, 23) is carried out by applying a varnish substance to the mouthpiece lining paper (1).
  17. The method as claimed in claim 16, characterized in that the production of the elevations (3, 13, 23) is carried out by applying a varnish substance to the mouthpiece lining paper (1) by screen printing, particularly by rotary screen printing.
  18. The method as claimed in claim 16, characterized in that the production of the elevations (3, 13, 23) is carried out by applying a varnish substance to the mouthpiece lining paper (1) by gravure printing, particularly by web-fed rotary gravure printing.
  19. The method as claimed in claim 18, characterized in that the depth of those depressions on printing form by means of which varnish is transported from a bath of varnish to the mouthpiece lining paper (1) is between 20 µm and 240 µm, particularly between 100 µm and 150 µm.
  20. The method as claimed in one of claims 16 to 19, characterized in that the mouthpiece lining paper provided with elevations (3, 13, 23) is treated with a gaseous, vapor-like, aerosol-like or powder-like active material or an active material from the combination thereof, in that it is stored and/or forcibly flooded as a roll in an environment which is enriched with the gaseous, vapor-like, aerosol-like or powder-like active material or an active material from the combinations thereof, preferably the gaseous, vapor-like, aerosol-like or powder-like active material or an active material from the combination thereof is moved.
  21. The method as claimed in one of claims 16 to 20, characterized in that a structure of locally limited elevations (3, 13, 23) is formed from hardened varnish, and in that a substance in the form of a powder, that is to say as a multiplicity of particles which are not connected to one another by a liquid matrix, is applied to surface areas (2) which are located between the elevations (3, 13, 23).
  22. The method as claimed in claim 21, characterized in that the surface areas (2) are provided with a contact adhesive before the application of the powder.
  23. The method as claimed in one of claims 16 to 22, characterized in that the perforation holes in the mouthpiece lining paper are formed only at a distance from elevations (3, 13, 23), or in that varnish which is hardened to form elevations (3, 13, 23) is applied to the mouthpiece lining paper only at a distance from the perforation holes, preferably the mouthpiece lining paper is wound up to form a bobbin after it has been processed.
EP12821165.3A 2011-12-01 2012-11-30 Tipping paper for a smoking article Active EP2785206B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
RS20180518A RS57176B1 (en) 2011-12-01 2012-11-30 Tipping paper for a smoking article
PL12821165T PL2785206T3 (en) 2011-12-01 2012-11-30 Tipping paper for a smoking article
SI201231279T SI2785206T1 (en) 2011-12-01 2012-11-30 Tipping paper for a smoking article
HRP20180770TT HRP20180770T1 (en) 2011-12-01 2018-05-17 Tipping paper for a smoking article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1783/2011A AT511936B1 (en) 2011-12-01 2011-12-01 MUNDSTÜCKBELAGSPAPIER FOR A SMOKE ITEM
PCT/AT2012/050187 WO2013078494A2 (en) 2011-12-01 2012-11-30 Tipping paper for a smoking article

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EP2785206A2 EP2785206A2 (en) 2014-10-08
EP2785206B1 true EP2785206B1 (en) 2018-02-21

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AT (1) AT511936B1 (en)
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BR (1) BR112014013079B1 (en)
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EA (1) EA028663B1 (en)
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CA2857182C (en) 2019-01-08
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MX345686B (en) 2017-02-10
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US20140326261A1 (en) 2014-11-06
PH12014501192A1 (en) 2014-09-08
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