CN111935997B

CN111935997B - Embossed tipping paper

Info

Publication number: CN111935997B
Application number: CN201980023785.5A
Authority: CN
Inventors: 迈克尔·林德纳
Original assignee: Longyou Tarn Paper Co ltd; Tann Shanghai Co ltd; Tannpapier GmbH
Current assignee: Longyou Tarn Paper Co ltd; Tann Shanghai Co ltd; Tannpapier GmbH
Priority date: 2018-04-04
Filing date: 2019-04-02
Publication date: 2023-05-23
Anticipated expiration: 2039-04-02
Also published as: AT521079A1; AR115028A1; WO2019191795A3; PH12020551575A1; WO2019191795A2; CN111935997A; AT521079B1

Abstract

The invention relates to a method for producing a rod-shaped tobacco product (11, 11a, 11 b) having at least one sensory substance or functional active substance (7) on the outside of its tipping paper (9, 9a, 9 b), wherein, in order to increase the stability of the sensory substance or functional active substance (7) on the surface of the tobacco product (11, 11a, 11 b), in a first method step an embossed structure is provided for the web (1) and wound on a reel (5), and in a second method step the embossed web (4) is unwound from the reel, the tipping paper (9) or the double-strand tipping paper (9 a, 9 b) is separated from the embossed web (4) and is bonded to the tobacco product (11) or the double-strand tobacco product (11 a, 11 b), respectively, such that each tipping paper (9, 9a, 9 b) forms the outside of the tobacco product (11, 11a, 11 b) at least in the region of the lips contacting the smoker, and the web (1, 4) forms the sensory substance or the functional active substance on the outside (11 a, 11 b) of the tobacco product (11, 11 b). Furthermore, the invention relates to tipping paper (9, 9a, 9 b) for a tobacco product (10) produced using the method.

Description

Embossed tipping paper

Technical Field

The present invention relates to a tipping paper embossed and having a organoleptic or functional active substance.

Background

Tipping paper is the wrapper of the rod-shaped tobacco product that comes into contact with the lips of the user. Rod-shaped tobacco products are also explicitly referred to as so-called "next generation products", such as heated tobacco products with tipping paper, or tobacco heating products or thermally non-combustible products.

Conventional rod-shaped tobacco products, such as filter cigarettes or conventional cigarette tubes or so-called "next generation products" (heated tobacco products or tobacco heating products or thermally non-combustible products), include, in addition to tobacco strands (strands) containing tobacco and filters, wrappers (e.g., cigarette papers), filter wrappers and tipping papers that encase the tobacco strands containing tobacco.

Tipping paper, commonly referred to simply as "tipping", typically encases filters and filter wrappers. Which is part of a filter cigarette, the tipping paper is in contact with the lips of the smoker when smoking a cigarette. The tipping paper typically extends in the longitudinal direction of the filter cigarette, also slightly to the longitudinal region of the tobacco strand, where it surrounds the cigarette paper and is attached thereto by an adhesive. The filter portion and the tobacco strand portion are mechanically joined in the maker by creating such a bond. The tipping paper is typically paper, but may also be a film or foil. In the case where the tipping paper is formed as a film or foil, it may, for example, consist of cellulose hydrate. Tipping paper often has a visually attractive printed pattern. The pattern is typically like a cork.

Tipping paper is understood in this document to mean a wrapper which, in the form of paper, film or laminate, surrounds the area of the rod-shaped tobacco product which comes into contact with the lips of the user.

Us patent 2013093117 (A1) describes a method of embossing a web, in particular a tipping web, using an embossing roll.

US2015237912 (A1) describes a layer structure of a smoking article having a layer underneath the tipping paper, which layer is impermeable to organoleptic substances. In one embodiment variant, the organoleptic substance is applied to the outside of the tipping paper. In another embodiment, the sensory substance is located between the tipping paper and the barrier layer, wherein the sensory substance may be located in a depression in the barrier layer or in a depression in the underside of the tipping paper, wherein the depression may be created by embossing.

EP2702881A1 discloses a method for processing a web of wrapper in the form of filter paper, wherein the web of wrapper is sprayed with a fluid after an embossing device. The fluid serves to stabilize the deformation of the web of packaging material. The fluid may contain a fragrance carrier or color. The embossing device deforms the web of packaging material in a wave-like manner so that a wave-like intermediate layer is formed in the filter, which wave-like intermediate layer may be used to allow air to flow through the filter. The embossing structure is designed to be rough so that the web of packaging material is completely deformed, but no depressions are produced in the material of the web of packaging material. Since the web of wrapper forms the middle layer of the filter, it is not outside the finished tobacco and therefore cannot come into contact with the lips.

WO2014060455A1 describes a method of providing an outer wrapper with a faceted non-cylindrical surface. The facet may be created by needle embossing to weaken the material along its profile. Needle embossing creates holes in the material.

A disadvantage of the prior art is that sensory or functional active substances that are attached to the outside of the tipping paper and are mostly soluble in water or saliva are generally only perceptible or active in a short time, since in the case of direct contact with the lips, these substances will be removed from the tipping paper surface by a few puffs on the smoking article due to human saliva.

A disadvantage of the layered structure with the organoleptic or functional active substance underneath the tipping paper is that these substances are less pronounced or that the production of such layered structures is generally more complicated.

Disclosure of Invention

The object of the present invention is to provide a rod-shaped tobacco product with a simple device, which has a sensory substance or functional active substance in the tip region, which remains significant or active over a longer period of time, i.e. after a number of puffs.

In order to achieve this object, it is proposed to apply a sensory substance or a functional active substance on the side of the tipping paper forming the outside of the rod-shaped tobacco product, wherein in a first method step an embossed structure is provided for the material web (web ) and wound on a reel, and in a second method step the embossed material web is unwound from the reel, separated and glued to the tobacco product such that the tipping paper forms the outside of the tobacco product at least in the region of contact with the lips of the user, wherein the embossed material web on the finished tobacco product is provided with at least one sensory substance or functional active substance on the side forming the outside of the tobacco product before or after embossing in the first method step and/or after unwinding from the reel or tipping paper in the second method step.

The tobacco product that may have tipping paper may be selected from the group of tobacco products comprising: a cigarette; a filter cigarette; a filter cigarillo; tobacco strands for electronic tobacco heaters; the cigarette is not burnt by heat.

The tobacco strand has a strand comprising tobacco and at least one filter, both of which are wrapped with at least one wrapper. In the case of strands of tobacco, tipping paper is understood to be a layer of material that contacts the lips of the user, i.e., material that wraps around at least a portion of the area protruding from the electronic tobacco heater.

The front end of the hot non-combustible cigarette has a heat source, typically in the form of a piece of charcoal. Unlike conventional cigarettes, the tobacco-containing portion is not burned, but heated air flows through it. In the case of a thermally non-combustible cigarette, tipping paper is understood to be the layer of material that contacts the lips of the user, i.e. the material that wraps at least the end region of the thermally non-combustible cigarette opposite the heat source.

The advantage of the present invention over the prior art is that it can be taken longer due to the embossing structure, in particular due to the compression of the tipping paper material in the embossed depressed areas, despite the presence of organoleptic or functional active substances on the outside. Embossing reduces the contact area between the tipping paper and the lips, which means that on rod-shaped tobacco products, less sensory or functional active material is removed from the surface per puff, making it more accessible or active. Furthermore, embossing simultaneously represents a mechanical manipulation of the paper surface, so that the organoleptic or functional active substance adheres/bonds better to the surface of the tipping paper.

Preferably, in the second method step, after unwinding from a reel or tipping paper on the finished tobacco product, a sensory or functional active substance is provided to the embossed material web.

This avoids the disadvantage that, when the organoleptic or functional active is applied directly after embossing the embossed structure, the embossed structure or the organoleptic or functional active may again be partially lost when the material web is guided through an additional drum or roll.

Less preferably, the organoleptic or functional active may be applied first, followed by the embossing process. In this embodiment variant according to the invention, the previously applied organoleptic or functional substance is pressed more firmly or further into the material web by subsequent embossing or compressed at the depressions on the surface of the material web, so that longer perceptibility can also be produced here, but the disadvantage is that the organoleptic or functional substance can accumulate on the embossing roller or be removed again partly from the surface of the material web during embossing.

According to the invention, it is also possible to apply the substance before and after embossing, or to apply the substance in several successive steps, wherein the organoleptic or functional active substance is applied in at least one step. Furthermore, a lacquer layer which is free of sensory substances or functional active substances may be applied, for example as a pretreatment of the material web before the sensory substances or functional active substances are applied or after the sensory substances or functional active substances have been applied to the material web, for example to fix the sensory substances or functional active substances or to prevent them from being rubbed off.

The tipping paper is preferably embossed by continuously moving the web of material between the structured embossing rollers such that the structure of the embossing rollers is transferred to the web of material.

The organoleptic or functional substance is preferably applied by dispersing or dissolving it in a liquid carrier substance and applying it, particularly preferably spraying the liquid carrier substance. Printing, brushing, pouring or sandblasting processes are suitable for applying the organoleptic or functional active. Preferably, water-based or alcohol-based and/or organic solvents are used as carrier materials for the organoleptic or functional active substances. The mixture of sensory or functional active and solvent particularly preferably also comprises a film former. For example, the sensory substance or functional active substance can be applied together with a varnish, particularly preferably with a nitrocellulose varnish, shellac, ethylcellulose varnish or polyethylene wax-styrene acrylate or other varnishes based on polymers or biopolymers.

The organoleptic substance is preferably perceived as a tasting or scented substance, or a substance that causes a warm or cool sensation, such as menthol. The organoleptic substance is preferably a flavoring.

Other functional substances which may be used are, in particular, deodorizing substances or odor-neutralizing substances. In addition, care substances such as lip balm can be used as functional substances.

Drawings

The invention is described based on the accompanying drawings:

fig. 1: illustrations of the first method steps are shown.

Fig. 2 shows a diagram of a first variant of the second method step.

Fig. 3 shows a diagram of a second variant of the second method step.

Fig. 4 to 9: different embodiment variants of the embossed double-ply tipping paper according to the invention are shown.

Fig. 10: a double-stranded cigarette with tipping paper according to the invention is shown.

Fig. 11: a less preferred method of producing tipping paper is shown.

Fig. 12: a preferred method of producing tipping paper with different organoleptic or functional actives applied is shown.

Detailed Description

As schematically shown in fig. 1, in a first step the web 1 is preferably unwound from a first reel 2, on which an embossing structure is provided by means of an embossing device, in particular an embossing roll 3, so as to produce an embossed web 4, which embossed web 4 is subsequently wound onto a reel 5.

As schematically shown in fig. 2, in a first variant of the second step, the web of embossed material 4 is unwound from a reel 5 and moves through an application device 6, in which application device 6 a organoleptic or functional active 7 is applied, so as to obtain a web of embossed material 8 coated with the organoleptic or functional active 7. The coated embossed material web 8 is cut to obtain separate tipping papers 9, wherein preferably after separation, a double ply of

tipping papers

9a, 9b with a first tipping paper 9a and a second tipping paper 9b is first obtained.

Each tipping paper 9 is placed around the rod-like element 10 and glued or adhered to the rod-like element 10 such that the tipping paper 9 surrounds the rod-like element 10 on the outside to form the finished rod-like tobacco product 11 according to the invention. The rod-like member 10 preferably includes a filter having a filter wrapper and a tobacco strand having a wrapper.

In the case of double strand production, after application of the double

strand tipping papers

9a, 9b, the double strand tobacco product is cut into two halves in order to obtain two

finished tobacco products

11a and 11b according to the invention.

The variant shown in fig. 2 has the advantage that the organoleptic or functional substance 7 can be applied continuously to the embossed web 4 and is technically easier to carry out than on the finished tobacco product 11.

As schematically shown in fig. 3, in a second variant embodiment of the second step, the web of embossed material 4 is unwound from the reel 5 and cut to obtain separated tipping papers 9, the tipping papers 9 preferably being doubled after separation, comprising a first tipping paper 9a and a second tipping paper 9b.

Each tipping paper 9 is placed around the rod-shaped element 10 and glued or adhered to the rod-shaped element 10 such that the tipping paper 9 surrounds the rod-shaped element 10 on the outside to form the

tobacco product

11, 11a, 11b. The rod-like member 10 preferably includes a filter having a filter wrapper and a tobacco strand having a wrapper.

With the application device 6, the organoleptic or functional substance 7 is then applied to the outside of the tipping paper 9 of the tobacco product 11, so as to obtain the finished rod-shaped tobacco product 11 according to the invention.

In the case of double strand production, after application of the double

strand tipping papers

9a, 9b, the double

strand tobacco product

11a, 11b is cut in half to obtain two

tobacco products

11a, 11b, wherein the organoleptic or functional active 7 may be applied before or after separation of the double

strand tobacco product

11a, 11b, thereby obtaining two finished

tobacco products

11a and 11b according to the invention.

The variant of fig. 3 has the advantage that the sensory substance or functional active 7 is applied only at the end, so that the sensory substance or functional active 7 is prevented from being rubbed into the system by the

webs

4, 8 or applied during the separation and bonding of the

tipping papers

9, 9a, 9b.

The material web 1 is preferably paper, in particular base paper for producing tipping paper, which has a grammage of typically 30 to 50 g/square meter.

Less preferably, the material web 1 may also be a film material or cellophane.

The embossing structure of the embossed material web 4 preferably has depressions having a depth of at least 5 μm.

The embossed structure of the embossed material web 4 has depressions with a preferred maximum depth of at most 80 μm.

The embossed structure of the embossed material web 4 preferably has depressions with a maximum depth of at most 50 μm.

The recess is particularly preferably in the range from at least 15 μm to a maximum of 35 μm.

The embossed structures may form a regular pattern.

The individual depressions of the embossed structure are preferably separated from one another.

The area of each depression of the embossed structure is preferably at least 4 μm ² 。

The area of the individual depressions of the embossed structure is preferably not more than 16 μm ² 。

The surface area of the depressions of the embossed structure is preferably at least 25% to a maximum of 75% of the total area of the embossed area.

In one embodiment variant, the embossing extends over the entire area of the embossed material web 4.

In a further embodiment variant, the embossing structures extend only over the central region or, the edge regions, or both edge regions of the embossing material web 4.

The embossing structure preferably extends continuously, i.e. without interruption, in the longitudinal direction of the embossing material web 4.

The width of the material web 1 is preferably twice the size of the tipping paper 9 in the longitudinal direction of the tobacco product 11. Such a material web 1 is hereinafter referred to as a double web.

The material web 1 can also be wider during the embossing process. For example, the width of the web 1 may be four times, six times, eight times, etc. the size of the tipping paper 9 in the longitudinal direction of the tobacco product 11. After embossing or after application of the organoleptic or functional active 7, the wide web of material 4 is preferably cut into double webs or less preferably into individual webs.

The embossed structures may be symmetrically arranged about the centre line of the doubled web.

In one embodiment, the two halves of the bifilar web have different embossed structures. In another embodiment variant, only one of the two halves of the bifilar web has an embossed structure.

In another embodiment variant, two different halves of the double web or halves with different embossments are then provided with different organoleptic or functional active substances 7.

In this way, it is advantageously possible to produce two different types of

tobacco products

11a, 11b simultaneously in a bifilar production, wherein these products are particularly preferably different in both structural and organoleptic or functional active 7. If the different types of

tobacco products

11a, 11b are packaged together in one box, they can be distinguished on the basis of structure even before their organoleptic or functional active 7 is perceived or activated.

Advantageously, the different types of

tobacco products

11a, 11b may have a uniform color print, thus having a uniform appearance, and still be distinguishable. However, it is also possible to print the two halves of the bifilar in different colours.

The organoleptic or functional substance 7 is preferably applied by spraying the embossed material web 4 or the individual tipping papers 9 or

tipping papers

9a, 9b on the bifilar or finished

tobacco product

11, 11a, 11b.

The spraying may be performed over the whole area of the embossed web 4, for example by applying nozzles, to provide the embossed web 4 with a organoleptic or functional active 7. The spraying may be accomplished with an ink jet device so that the application may be performed according to a definable pattern. For example, only the depressions of the embossing structure may be provided in particular with a organoleptic or functional active 7.

Advantageously, the application of the organoleptic or functional active 7 by spraying and/or ink-jetting without contact does not affect the embossing structure, as is the case with the less preferred intaglio printing process and the related application processes, wherein the web of material is located between the printing plates or printing rollers. As other possible application methods, a coating or pouring method or an aromatic bath method may be used to apply these substances.

In fig. 4 to 9, a preferred variant of the double-

ply tipping paper

9a, 9b is shown by way of example. Of course, the design of the

individual tipping papers

9a, 9b of the doubled

tipping papers

9a, 9b may be selected as desired.

Fig. 4 shows two completely

embossed tipping papers

9a, 9b of a double-ply tipping paper, which can be achieved by continuous embossing of the material web 1 with an embossing roll 3 having a uniform structure.

Fig. 5 shows two

tipping papers

9a, 9b of a double-ply tipping paper which have been embossed in a partial region, which can be achieved by continuous embossing of the material web 1 with embossing rollers of uniform structure in the region around the intersecting dashed line of the double-ply tipping paper. If the bifilar tobacco product is separated at the cut line, two

tobacco products

11a, 11b are obtained, each having an embossing on the rear surface area facing away from the tobacco strand.

Fig. 6 shows two different

embossed tipping papers

9a, 9b of a double-ply tipping paper, which can be achieved by continuous embossing of the web 1 with an embossing roll 3 having a uniform structure. The embossing structure of the embossing roller 3 is arranged such that a completely embossed tipping paper 9a and a partial region embossed tipping paper 9b are produced.

Fig. 7 shows two

different tipping papers

9a, 9b of a double strand of tipping paper, which can be achieved by continuous embossing of the web 1 with an embossing roll 3 having a uniform structure. The embossing structure of the embossing roller 3 is arranged such that a partially embossed tipping paper 9a and an unembossed tipping paper 9b are produced.

Fig. 8 shows two

tipping papers

9a, 9b of the double-ply tipping paper, each embossed with a different structure on part of the surface, which can be achieved by continuous embossing of the web 1 with embossing rollers 3 of different structure in the region around the intersecting dashed line of the double-ply tipping paper. If the two strands of tobacco product are separated at the cut line, two

tobacco products

11a, 11b are obtained which have embossments on the rear surface areas of their

tipping papers

9a, 9b facing away from the tobacco strands, respectively, wherein the

tobacco products

11a, 11b differ by their embossed structure.

Fig. 9 shows two

tipping papers

9a, 9b of the double-ply tipping paper, each embossed with a different structure on part of the surface, which can be achieved by continuous embossing of the web 1 with embossing rollers 3 of different discontinuous structure in the region around the intersecting dashed line of the double-ply tipping paper. The surface portions with the embossed structures may be arranged at a distance from each other in the longitudinal and/or transverse direction of the material web 4.

The application of the organoleptic or functional active 7 may be limited to the embossed area or to at least a part of the area of the material web 4 entirely. This means that the application of the sensory or functional active 7 may be aligned with the embossed structure, but this is not necessarily so.

For example, the organoleptic or functional active 7 may be applied continuously in the longitudinal direction of the web 4 in the form of one or more strips, for example by continuous spraying. For example, the organoleptic or functional substance 7 may be applied discontinuously in the longitudinal direction of the web 4 in the form of dots, for example by means of timed spraying. For example, the web of material may have locally delimited, spaced-apart areas in which there are embossments and sensory or functional active 7, such that the web of material is in some areas an embossed web of material 8 coated with the sensory or functional active 7.

Fig. 10 shows a

bifilar tobacco product

11a, 11b, which is obtained by wrapping the lower strands and layers of

bifilar tobacco product

11a, 11b in between and adhering together by

bifilar tipping papers

9a, 9b.

In the example of fig. 10, the two halves of the doubled

tipping papers

9a, 9b have two different embossed structures, and thus, after half-cut along intersecting dashed lines, produce two

tobacco products

11a and 11b having mutually different embossed structures. It is also possible to advantageously apply different organoleptic or functional substances 7 to different embossed structures, so as to produce together two types of

tobacco products

11a, 11b, the two types of

tobacco products

11a, 11b having different organoleptic or functional substances 7 or different amounts of organoleptic or functional substances 7 and different embossed structures.

The different characteristics of the embossed structure of the two

tipping papers

9a, 9b of the bifilar tobacco product may be selected from one or more of the following characteristics: the presence or absence of an embossed structure; depth of the embossed structure; the embossed structure extends longitudinally in the cross-web direction; the embossed structure comprises a proportion of the total area in the machine direction of the web; the area of each embossed depression; total area of the recess; the shape of the recess; the number of depressions; the arrangement of the depressions; pattern of depressions.

The difference in the characteristics of the organoleptic or functional active 7 of the two

tipping papers

9a, 9b of the bifilar tobacco product may preferably be selected from the following group of characteristics: the presence of a organoleptic or functional active 7; the type of organoleptic or functional active 7; the application surface extends longitudinally in the cross-web direction; the ratio of the applied area relative to the total area in the machine direction of the web; the area of each discrete application area; the total area of the application surface; the form of the respective discrete application surfaces; the number of applied surfaces; an arrangement of application surfaces; applying a pattern of the surface; the concentration of the organoleptic or functional active 7; the type of action of the organoleptic or functional active 7; taste; the concentration of the individual sensory substances or functional active substances 7 in the sensory substance or functional active substance mixture; the area percentage of the individual sensory substances or functional active substances 7 in the sensory substance or functional active substance mixture.

Fig. 11 shows a less preferred embodiment variant for producing the tipping

paper

9, 9a, 9b according to the invention, wherein the substance is applied before the embossing roller 3 and/or after the embossing roller 3 before being wound onto the reel 5, wherein according to fig. 2, 3, 12, further substances can also be applied after unwinding from the reel 5 in a subsequent second method step or after the tobacco product 10 has been produced. In fig. 11, as in fig. 1, the web 1 is unwound from a first reel 2 and provided with an embossing structure by means of an embossing roller 3, so that an embossed web 4 is produced, which embossed web 4 is subsequently wound into a reel 5, wherein the embossed web 4 can already be wound into the reel 5 as an embossed web 4 coated with a sensory substance or functional active substance 7.

Advantageously, different substances may be applied before and after embossing. In this way, the substance applied before embossing penetrates deeper into the material, while the substance applied after embossing is shallower. The organoleptic or functional substance 7 is preferably applied by at least one application device 6.

Fig. 12 shows how different substances with different properties are applied. A number of application devices 6 are attached along the embossing material web 4, for example in the form of nozzles or inkjet heads.

Each application device 6 can apply a different organoleptic or functional active 7, resulting in an embossed web 8 coated with the organoleptic or functional active 7, which embossed web 8 after cutting appears as tipping paper 9 or

double tipping paper

9a, 9b. These substances can be applied one above the other, or in several non-overlapping or only partially overlapping strips, or in several non-overlapping or only partially overlapping discontinuous surface areas along the material web 4.

The application areas advantageously do not overlap, so that the organoleptic or functional active substances 7 do not affect each other.

The substances or organoleptic substances or functional active substances 7 applied by the different application devices 6 and/or the substances or organoleptic substances or functional active substances 7 applied before and after embossing may differ in particular in one or more characteristics selected from the group consisting of: the presence of organoleptic or functional active substances; the type of sensory substance or functional active; the application surface extends longitudinally in the cross-web direction; the ratio of the applied area relative to the total area in the machine direction of the web; the area of each discrete application area; the total area of the application surface; the form of the respective discrete application surfaces; the number of applied surfaces; an arrangement of application surfaces; applying a pattern of the surface; the concentration of the organoleptic or functional active; the type of action of the organoleptic or functional active; taste; the concentration of the individual sensory substances or functional active substances in the sensory substance or functional active substance mixture; the area percentage of the individual sensory substances or functional active substances in the sensory substance or functional active substance mixture.

The organoleptic or functional substance 7 may be selected from the group comprising: a flavoring agent; flavoring agents, including synthetic or natural flavoring agents, such as fruit flavoring agents or spice flavoring agents, such as vanilla, cinnamon or clove; perfume; menthol; activated carbon; a deodorizing substance; odor-neutralizing substances such as cyclodextrin or triethylene glycol; the care substance is, for example, in the form of an oil, fat or wax.

Example 1

To produce the tipping paper according to the invention, it is first embossed and then sprayed with a sweet solution. Saccharin is used in an amount of 5.2g/m ² 。

Example 2

To produce the tipping paper according to the invention, it is first embossed and then printed with a sweet solution in intaglio printing. Saccharin is used in an amount of 0.4g/m ² 。

Comparative examples

To produce the contrast paper, the tipping paper is printed with a sweet solution in gravure printing. Saccharin is used in an amount of 1.81g/m ² 。

The same test was performed on the tipping papers and the comparative papers according to example 1 and example 2, respectively, to demonstrate the effectiveness of the present invention.

For the test, the stamp wiper is moistened with 3ml of saliva solution, the sample to be tested is pressed uniformly onto the stamp wiper and then lifted again, this process being referred to hereinafter as "stamping". The residual saccharin content was determined by High Performance Liquid Chromatography (HPLC) after each imprinting, repeated several times for each sample. The smoking process (saliva wetting during smoking) was simulated and analyzed by imprinting the samples using HPLC. The objective was to determine the flavor reduction by repeated imprinting, wherein it was tested whether flavor loss could be reduced by embossing.

In Table 1 below, the measured absolute amounts of saccharin are in g/m ² It is shown that for better comparison, the percentage of saccharin content is based on the initial value of the applied amount and the percentage of decrease in saccharin content is based on the initial value of the applied amount.

It can be seen from the experiments that the tipping paper according to the invention has a lower saccharin content than the unembossed control paper.

In general, it is considered that in the case of the tipping paper according to the invention, in which the base paper is embossed and provided with the sensory substance or functional active substance 7, the reduction in the sensory substance or functional active substance is smaller than in the case of using the same base paper which is not embossed but has the same substance provided in the same manner.

TABLE 1

In the case of the tipping paper according to the invention, the reduction in the organoleptic or functional active 7 after the first contact with saliva or lips is preferably at most 50%, preferably at most 25%, in particular at most 10% of the initial amount.

Preferably, in the case of the tipping paper according to the invention, the reduction of the organoleptic or functional active 7 after the first contact with saliva or lips is at most 90%, preferably at most 75%, in particular at most 50% of the reduction of the tipping paper using the same base paper (provided in the same way, not embossed but with the same substance) and in the same way in contact with saliva or lips.

The residual content of the organoleptic or functional active substance 7 on the surface of the tipping paper 9 according to the invention is preferably higher after repeated contact with saliva or lips than tipping paper which uses the same base paper (provided in the same way, not embossed but with the same substance) and which is in contact with saliva or lips in the same way.

Preferably, the residual content of the organoleptic or functional active 7 on the surface of the tipping paper 9 according to the invention after the first, second and third contact with saliva or lips is at least 125%, preferably at least 150%, in particular 200%, of the residual content of the tipping paper which is provided in the same way, is not embossed but has the same substance, and is contacted in the same way with saliva or lips, for the first, second and third time.

The unembossed areas (provided in the same way with organoleptic or functional active substances 7) of the tipping paper 9 according to the invention can be regarded as tipping papers with the same base paper (provided in the same way, unembossed but with the same substances).

The tipping paper 9 according to the invention preferably has unembossed and embossed areas, both of which are provided with a sensory or functional active 7.

The tipping paper 9 according to the invention preferably has a first embossed region whose embossed structure differs in at least one characteristic from the embossed structure of at least one second embossed region of the same tipping paper 9, both embossed regions being provided with a sensory substance or functional active substance 7.

Both measures described above may advantageously ensure that the organoleptic or functional active 7 of the first region may be perceived faster and more strongly than the substance or functional active 7 of the second region, which substance or functional active 7 may be perceived longer or later. The different embossed areas or embossed and unembossed areas may, for example, be present in the form of alternating strips along the longitudinal extension of the respective tipping paper 9 (longitudinal extension of the tobacco product 11; transverse direction of the material web) as shown in tipping paper 9b in fig. 8, or in the form of alternating strips in the transverse direction of the tipping paper 9 (circumferential direction on the tobacco product 11; longitudinal direction of the material web) as shown in tipping paper 9a in fig. 8.

In general, the tipping paper 9 present on a single tobacco product 11 (i.e. the tipping paper 9) preferably has at least two distinct regions differing in the presence or at least one characteristic of its embossed structure, wherein a sensory or functional active 7 is applied in these two regions. These characteristics may be selected from the group consisting of: the presence of embossed structures; depth of the embossed structure; the area of each embossed depression; total area of the recess; the shape of the recess; the number of depressions; the arrangement of the depressions; pattern of depressions.

The organoleptic or functional active 7 is preferably applied in at least two areas in the same way, i.e. in the same way and/or in the same amount, preferably by applying the organoleptic or functional active 7 with the same application device 6. Preferably, the reduction of the organoleptic or functional active substance 7 in the first area of the tipping paper 9 according to the invention is at most 90%, preferably at most 75%, in particular at most 50% of the reduction in the second area of the tipping paper 9 after the first contact with saliva or lips.

Claims

1. Tipping paper (9) for a rod-shaped tobacco product (11), having at least one organoleptic or functional active (7) on its side lying outside the tobacco product (11), wherein,

the tipping paper (9) being provided with an embossing structure in the region of the sensory or functional active substance (7), characterized in that the depth of the depressions of the embossing structure is in the range of at least 5 μm to a maximum of 80 μm,

the single tipping paper (9) has at least two different regions which differ in the presence of its embossed structure or in at least one characteristic of its embossed structure, wherein said organoleptic or functional active (7) is applied in both regions.

2. Tipping paper (9) according to claim 1, characterized in that the depth of the depressions of the embossed structure is in the range of at least 15 μm to a maximum of 35 μm.

3. Tipping paper (9) according to claim 1, characterized in that the area of each depression of the embossed structure is at least 4 μm ² Up to a maximum of 16 μm ² Within a range of (2).

4. Tipping paper (9) according to claim 1, characterized in that the reduction of the sensory or functional active substance (7) in the region of the embossed structure after the first contact with saliva or lips is at most 90% of the reduction of tipping paper using the same base paper and provided in the same way, not embossed but with the same substance, and in the same way in contact with saliva or lips.

5. Tipping paper (9) according to claim 1, characterized in that the residual content of the organoleptic or functional active substance (7) on the surface of the region of the embossed structure after the first, second and third contact with saliva or lips is at least 125% of the residual content of tipping paper which is provided in the same way using the same base paper, is not embossed but has the same substance, and is contacted in the same way with saliva or lips for the first, second and third times, respectively.

6. Tipping paper (9) according to claim 1, characterized in that the same sensory substance or functional active (7) is applied in the same manner, i.e. in the same way and in the same amount, in the at least two regions, wherein the reduction in the sensory substance or functional active (7) in one region is smaller than in the at least second region.

7. Tipping paper (9) according to claim 4, characterized in that the sensory or functional active (7) in the region of the embossed structure is reduced by at most 75% of the tipping paper which is provided in the same way and is not embossed but has the same substance and is in contact with saliva or lips after the first contact with saliva or lips.

8. Tipping paper (9) according to claim 7, characterized in that the sensory or functional active (7) in the region of the embossed structure is reduced by at most 50% of the tipping paper which uses the same base paper and is provided in the same way, is not embossed but has the same substance, and is in contact with saliva or lips in the same way after the first contact with saliva or lips.

9. Tipping paper (9) according to claim 5, characterized in that the residual content of the organoleptic or functional active substance (7) on the surface of the region of the embossed structure after the first, second and third contact with saliva or lips is at least 150% of the residual content of tipping paper which is provided in the same way using the same base paper, is not embossed but has the same substance, and is in the same way in the first, second and third contact with saliva or lips, respectively.

10. Tipping paper (9) according to claim 9, characterized in that the residual content of the organoleptic or functional active substance (7) on the surface of the region of the embossed structure after the first, second and third contact with saliva or lips is at least 200% of the residual content of tipping paper which is provided in the same way using the same base paper, is not embossed but has the same substance, and is contacted in the same way with saliva or lips for the first, second and third times, respectively.