EP2449897A1 - Method and device for inserting objects into a filter rod for the tobacco processing industry - Google Patents

Abstract

The method involves conveying the filter strand (3) in a longitudinal axial direction and inserting an object in an insertion zone in the filter strand. The filter strand is subsequently compressed and the object is covered by the filter strand. The object is inserted in the filter strand by generating a blind hole-like cavity. An independent claim is also included for a device for use in machine of the tobacco processing industry, particularly filter strand machine, for insertion of objects into a filter strand of the tobacco-processing industry.

Description

The invention relates to a method for loading objects in a filter strand of the tobacco-processing industry, wherein the filter strand is conveyed in the longitudinal axial direction, at least one object is inserted in an insertion zone in the filter strand and the filter strand is then compressed, wherein the object enveloped by the filter strand becomes. The invention further relates to a device for placing objects in a filter strand of the tobacco processing industry, comprising a strand conveying device for longitudinal axial promotion of a filter strand and an object conveying device for objects to be inserted into the filter strand, wherein the object conveying device defines a conveying path for the objects, from a takeover position at which the objects are taken on the object conveyor, leads to an insertion zone, in which the objects are inserted into the filter strand. The invention finally relates to an invention of tobacco processing Industry.

The invention thus relates to the production of a filter rod for rod-shaped articles of the tobacco-processing industry, in particular for cigarettes or filter cigarettes, wherein the filter rod is cut to length after its production into individual filter rods. The filter strand or the cut filter rods contain as an essential part of one or more objects that affect filter properties. The objects may in particular be capsules filled with a liquid. The liquid in such cases is usually flavorings or fragrances, for example menthol. A smoker breaks the capsule by pressure on the filter before igniting the cigarette. As a result, the liquid is released and unfolds the aroma of the liquid. This procedure offers a particularly intense or fresh taste experience. Such capsules usually have a diameter of about 3 mm, but may also be smaller.

Alternatively, hard objects can also be used as objects, as can smaller or larger particles, for example spheres or cylindrical objects made of activated carbon, extrudates or other filter materials or additives.

A generic technique comprises according to WO 2005/032286 A2 a capsule loading device into a filter tow strip with a rotating insert wheel. The insert wheel has at its periphery receptacles for capsules in which the capsules are held after insertion by means of suction air. Upon further rotation of the inserter wheel, the circumference of the inserter wheel penetrates continuously into the filter tow band. As soon as in this case a capsule enters the filter tow, the suction air is switched off. So will the capsule deposited in the filter tow and transported with this. At the place of the insert wheel, the filter tow strip essentially takes the form of a "U", wherein the insert wheel forms the central recess or the channel of the "U". Subsequently, the forming of the filter strand, in which the filter tow is closed, compacted and wrapped with a wrapping strip.

After inserting capsules into a filter tow, the capsules are after WO 2005/032286 A2 not yet completely fixed in the filter tow. This is done only in a subsequent strand forming and wrapping with a wrapping strip. In the period or on the conveyor line between the introduction of capsules and the fixation by strand forming the capsules in the filter tow can still slip or fall out completely.

Filters made from sections of the filter tow with slipped or lost capsules form undesirable rejects. They are recognized in a later process step in the production either already in the filter strand or on the filter rods cut to length or, in the production of multi-segment filters, on the filter segments produced. The affected filter rods or filter segments are sorted out or imposed.

The promotion of a filter tow strip and a filter strand formed therefrom in a filter rod machine is carried out continuously. The production speed and the conveying speed of the filter tow strip and of the filter strand formed therefrom are limited by the maximum speed of the introduction device for objects to be introduced into the filter strand. This maximum speed is currently about 100 meters per minute. This means that the production speed is significantly lower than with conventional ones Filter strands in which no capsules are inserted.

The capsule-loaded filters, despite conventional application of plasticizers, especially triacetin, have a relatively soft and loose consistency over other filters due to the comparatively low production rate and slow speed with which the filter fabric preparation proceeds before and are therefore less robust than conventional ones Filter without capsules. The filtering properties of filters with capsules are also limited.

Compared to this prior art, the present invention seeks to provide a method for producing a filter strand of the tobacco processing industry and a corresponding filter rod machine available, with which the production of a filter strand and filters with inserted capsules is possible, the higher Strength and improved filtering properties, in addition, the rejection rate of filter rods with missing or mispositioned objects, especially liquid-filled capsules is reduced.

This object is achieved by a method for inserting objects in a filter strand of the tobacco processing industry, wherein the filter strand is conveyed in the longitudinal axial direction, at least one object is inserted in an insertion zone in the filter strand and the filter strand is then compressed, the object of Filter strand is wrapped, which is further developed in that the at least one object is placed in the filter strand to produce a blind hole-like depression.

The insertion of the objects into the filter rod thus takes place according to the invention, in departure from the conventional method in the prior art, in which a continuous and continuous channel is produced by means of a loading wheel. Instead, each object is inserted individually to create a blind hole-like depression in the filter strand. The insertion takes place in particular in the context of a pinpoint puncture, in which the blind hole-like depression is produced.

The creation of a blind hole-like depression means that in the filter strand only substantially punctiform, i. in the immediate vicinity of the object a recess is generated. Since each object is inserted with a blind hole-like depression in the filter strand, its position in the longitudinal direction of the filter strand is fixed. The object can not, as in the usual channels, slip in the longitudinal direction of the conveyor string, resulting in undesirable rejects.

In addition, since the recesses are only locally localized delimited, resulting in the subsequent final shaping of the filter strand improved and increased strength, since not a continuous channel must be closed. The produced filter strand is overall more homogeneous than was previously possible. This improves the filtering properties.

By using blind hole-like depressions, in which the objects are held in the filter strand, the accuracy of the positioning of the objects is much higher than before. In this way it is possible to use, for example, in the production of multi-segment filters substantially smaller or shorter segments than before. Also, a greater or higher speed of the filter strand can be driven than before, since the risk of slippage or rolling away of the objects at a higher speed, as was the case in the prior art, now omitted.

As objects come within the scope of the invention u. a. liquid-filled capsules, extrudates or solid filter or additive materials, such as activated carbon, in question.

Advantageously, prior to application, the at least one object is conveyed on a portion of a circular or ellipsoidal or substantially circular or elliptical path, or on a portion of a web resulting from a superimposition of a circular or elliptical path with another curved path. Such a track makes it possible to adapt the relative speed of the object to the speed of the filter strand in its conveying direction.

For this purpose, the filter strand preferably runs tangentially to the web in the insertion zone, wherein a conveying speed of the object during insertion into the insertion zone in the conveying direction of the filter strand is equal to or substantially equal to the conveying speed of the filter strand. The loading zone usually has an extension of several centimeters along the filter strand. In this area, the path of the objects approaches the filter strand, reaches its point of reversal or tangent point, in which the object is inserted into the filter strand and moves away from the filter strand again. The second velocity component of the object is perpendicular to the filter strand direction. This speed component disappears in terms of amount at the reversal point. This vertical component corresponds to the piercing into the filter strand and the creation of the blind hole, while the parallel component corresponds to the fact that the speed of the object is adapted to the speed of the filter strand.

The velocity component of the object parallel to the filter strand therefore varies slightly and experiences its maximum at the reversal point. This results in that the shape of the blind hole-like depression is not completely regular, but widened slightly in strand direction. This can be reduced in a superimposition of several components of motion, for example by a multi-axis lever kinematics. The broadening of the blind-hole-like depression can also be reduced by choosing an elliptical shape of the web, wherein, in particular, the penetration into the filter strand takes place in the thinnest part of the elliptical orbit. Corresponding elliptical orbits can be reached for example by means of planetary gears.

Preferably, the at least one object is pressed unprotected in the production of the blind hole-like depression in the filter strand or protected from direct stress. The former case offers a particularly simple construction method, since protective measures for the object are not necessary. In the case of liquid- or powder-filled capsules or granules, for example of activated carbon, however, a protection of the capsules during the production of the blind-hole-like depression is advantageous. Tough objects, such as hard spheres of activated carbon, extrudates or similar objects, need not be protected and can be used as a boring or piercing head to create the blind hole-like depression.

The object shape is not defined in the context of the invention. They can be spheres, as in the case of the liquid-filled capsules, but also cylindrical objects, for example extrudates inserted longitudinally, or any other regular or irregular shapes.

On the object conveying device, the objects are preferably held. This advantageously takes place in that the at least one object is held by means of suction on a, in particular at least partially rod-shaped or substantially rod-shaped, receiving element before insertion into the filter strand and in the insertion zone, in particular by switching off the suction and / or switching on compressed air, is transferred to the filter strand. In this case, a substantially rod-shaped receiving element is understood to be an elongate receiving element. The cross section of the receiving element may be round or polygonal, with rounded corners and or side surfaces. Such a receiving element penetrates with its tip into a filter strip and generates there a blind hole-like depression.

In an advantageous development it is provided that the filter strand is compacted in the insertion zone and / or pre-compressed prior to insertion of the at least one object to a density which is between a density of an uncompressed and / or unshaped filter strand and a compacted and shaped filter strand. In the case of a precompressed filter strand, the object in the blind-hole-like depression is additionally held securely by the pressure exerted by the surrounding filter rod material.

When inserting the diameter of the filter strand is constant or decreases. The latter corresponds to the case where the insertion zone coincides with a compression zone. Also in this case, preferably the filter strand is already precompressed before the start of the insertion zone.

Preferably, a plurality of objects are simultaneously inserted into the filter strand to produce each own blind hole-like depressions, wherein the plurality of objects are each conveyed on identically dimensioned circular or elliptical paths, which are moved parallel to each other in the conveying direction of the filter strand by a preset or presettable distance. This development leads to a considerable increase in the possible production speed.

Inserting a single object, such as liquid-filled capsules, is currently done at a rate of about 3,000 objects per minute. This rate of production is limited by the speed at which the capsules are removable from a magazine because they are relatively sensitive to excessive pressure. If several objects are inserted in parallel or simultaneously in the filter strand, the corresponding number of objects can be taken in parallel from a corresponding number of magazines, so that an increase in speed by a corresponding multiple is possible. In the case of, for example, five parallel objects inserted in this way, even in the case of liquid-filled capsules, a speed of 15,000 objects per minute is possible, which are inserted into the filter strand. In this way, a very high density of the assignment of the filter strand can be realized with objects, as was previously not possible with conventional insert wheels. At the same time, the filter strand conveying speed can be increased.

So that the paths or paths of these objects do not intersect before being placed in the filter strand, they are conveyed according to the invention on identically dimensioned circular or elliptical paths which are displaced parallel to one another in the conveying direction of the filter strand.

A further increase in the production speed for object-associated filter strands is advantageously achieved if in each case at least two parallel longitudinally conveyed filter strands at least one object is inserted to produce a respective blind hole-like depression. In a two-line machine thus a doubling of the production speed is possible. Even more than two filter strands can be generated in this way.

The object underlying the invention is also achieved by a device for inserting objects into a filter strand of the tobacco processing industry, comprising a strand conveying device for longitudinal axial promotion of a filter strand and an object conveying device for objects to be introduced into the filter strand, the object conveying device having a conveying path for the objects defined, which leads from an acceptance position at which objects are transferred to the object conveying device to an insertion zone in which the objects are inserted into the filter strand, which is developed by the fact that the object conveying device has receiving elements for objects to be inserted into the filter strand, wherein the Receiving elements are at least partially substantially rod-shaped and each having a receiving seat with a holding means for an object in the region of its tip, wherein for inserting an object in the Filterstra ng in the region of the insertion zone, the receiving element is aligned substantially perpendicular to the filter strand, the filter strand is arranged tangentially to the conveyor track and a conveying speed of the objects in the strand conveying direction is adapted to a strand conveying speed, so that the receiving element dips into the filter strand to produce a blind hole-like depression.

As with the inventive method are with the Device according to the invention inserted the objects in the filter strand to produce a blind hole-like depression in an insertion zone at a reversal point or tangent point of the web of the object. Thus, the objects are held securely in the blind hole-like depressions in the filter strand and are secured against slipping longitudinal axial. The recesses are created by the rod-shaped receiving elements, which dive into the filter strand for inserting the objects.

In the context of the invention, a receiving element formed at least in sections substantially in the form of a rod is understood to mean a receiving element which is substantially rod-shaped at least in the section at its tip which dips into the filter strand for insertion of an object. This section is preferably substantially elongate. The cross-sectional shape of this section may be round or polygonal, even with rounded corners and / or side surfaces.

For inserting the objects into the filter strand, preferably each rod-shaped receiving element in the region of the insertion zone is oriented substantially perpendicular to the filter strand in order to be able to dip into the filter strand to produce a blind hole-like depression. The tangential alignment of the filter strand to the conveying path of the objects and the adaptation of the conveying speed of the objects in the strand conveying direction to the strand conveying speed serve to produce the blind hole-like recesses, as described above in connection with the method according to the invention.

Preferably, the conveyor track between the transfer position and the loading zone describes a portion of a circular or elliptical or substantially circular or elliptical Web or a portion of a web resulting from a superposition of a circular or elliptical path with another curved path.

Preferably, the receiving seat is arranged at the tip of the receiving element or the receiving element has an extension at its tip, which protects the at least one object in the generation of the blind hole-like depression from direct stress. The second alternative is particularly advantageous for the insertion of liquid-filled capsules in a filter strand. The extension is shaped so that it protects both the object from damaging stress in the creation of a blind hole-like depression and its insertion into the depression allowed.

Advantageously, the holding means is a, in particular controllable, suction air connection or a, in particular releasable, clamping mechanism. A suction air connection, which according to the invention can also be connected to compressed air, is particularly suitable for objects with a uniform surface, for example spherical objects or cylindrical objects, while a clamping mechanism is preferably used for irregularly shaped objects.

It is preferably provided that the insertion zone is arranged between an inlet finger and a format for the filter strand and / or the filter strand in the insertion zone has a conically decreasing diameter in the conveying direction. This makes it possible, in particular in the case of precompression, to place the objects in a pre-compressed filter strand so that the objects are held even more securely in the filter strand. The combination of the loading zone with a compression zone serves to shorten the entire device.

If preferably at least two receiving elements are provided offset from one another for inserting objects into at least two filter strands conveyed parallel to each other longitudinally, a multiplication of the production speed is possible.

In a preferred embodiment it is provided that a plurality of rod-shaped receiving elements are arranged parallel in a row or in a plurality of rows on a common insertion shoe which rotates on the object conveying device on a circular or elliptical path, wherein the insertion shoe in particular to maintain its orientation in the course of the web is rotatable about an axis of rotation which is perpendicular to the surface spanned by the web. In particular, the object conveying device preferably has a plurality of similar insertion shoes. With the Einlegeschuhen and arranged in a row or in a plurality of rows receiving elements, it is possible to define a separate circular path or elliptical orbit for each object on each of the receiving elements, which are each displaced parallel to each other.

The receiving elements of each suction shoe are arranged symmetrically or asymmetrically. Thus, preferably larger distances between receiving elements are provided where in the filter strand an enlarged gap between objects is provided at a position at the filter rods are cut from the filter strand. Alternatively or additionally, it is provided that the receiving elements of a single suction shoe for a filter rod simple or multiple use length are provided and between successive Saugschuhen an enlarged gap is left.

If the receiving elements are arranged on the insertion shoes in multiple rows, multiple filter strands can be created simultaneously with inserted objects.

Preferably, the conveying path passes through an arc of about 90 ° to 180 ° between the transfer position and the loading zone. In this case, the insertion zone is preferably in the lower inflection point and the transfer position about 90 ° to 180 ° in front or in the object conveying direction upstream. This selection allows a structurally particularly simple arrangement of previous drums.

Preferably, a magazine for objects to be inserted and a removal drum for removing objects from the magazine is provided. Its axis of rotation can be aligned in particular parallel to the filter strand.

In an advantageous variant, the removal drum is designed to transfer the objects to the object conveying device, in particular by means of radially displaceable suction rods. This can be such that the suction rods, which can also be referred to as suction tubes, are retracted maximally during one revolution of the removal drum in the region of the magazine and retracted radially below the peripheral surface of the removal drum, so that a depression forms on the surface of the removal drum. Thus, objects from the magazine, in particular by means of suction air, get into the trough. In the course of the rotation to the object conveying device, the suction rods are pushed out in the radial direction beyond the peripheral surface of the removal drum, so that the objects sit on the tip of the suction bars and are transferred to the object conveying device or the receiving elements at a transfer position. The control of the radial Movement of the suction bars can be done by a mechanical cam or by electrical actuators or other controllable drive means.

In an alternative embodiment, a transfer drum with suction bars is additionally provided, which is designed to take over objects from the removal drum and to transfer the objects to the object conveying device. The corresponding suction bars do not have to be radially displaceable. In any case, by means of the suction bars, which protrude beyond the circumference of the transfer drum at least in the region of the transfer position, it is achieved that the following insert shoes with their receiving elements can take over the objects.

Preferably, for the transfer of two or more objects, a part of the suction bars is provided with a folding mechanism. A corresponding folding mechanism is for example the German patent DE 41 29 672 C2 the Applicant whose disclosure content is to be incorporated in full in the present application. By means of the folding mechanism, the folding suction bars can be folded out in the transfer area to transfer several rows of objects to an inserting shoe. This is particularly advantageous in two-strand or multi-strand machines.

Preferably, the magazine, the removal drum and / or the transfer drum are modular, in particular with drum discs of the removal drum and / or the transfer drum, the number and distance is adjustable to each other. The modularity and in particular the adjustability of the number and spacing makes it possible to use the device for different formats and for different products with different specifications, for example, to simulate the placement of a desired filter. So also different objects can be arranged in a filter. Also, a filter segment for a filter cigarette can be equipped in this way with different objects, for example, different capsules. In the case that only one removal drum, but no transfer drum, is provided, the modular structure refers only to the removal drum. In the case where both are provided, ie the picking drum and the transfer drum, the modular structure preferably refers to both drums.

The object underlying the invention is also achieved by a machine of the tobacco-processing industry, in particular a filter rod machine, comprising a device according to the invention as described above.

The information relating to the various subjects of the invention, i. The features, properties and advantages mentioned in the method, the apparatus and the machine also apply, without limitation, to the respective other subjects of the invention in connection with which they have not been explicitly mentioned.

Fig. 1

eine schematische Perspektivdarstellung einer erfindungsgemäßen Vorrichtung,

Fig. 2

eine schematische perspektivische Detaildarstellung der Vorrichtung gemäß Fig. 1,

Fig. 3

eine weitere schematische perspektivische Detaildarstellung der Vorrichtung gemäß Fig. 1,

Fig. 4

eine weitere schematische perspektivische Detaildarstellung der Vorrichtung gemäß Fig. 1,

Fig. 5

eine weitere schematische perspektivische Detaildarstellung der Vorrichtung gemäß Fig. 1,

Fig. 6

eine schematische Perspektivdarstellung eines Einlegeschuhs,

Fig. 7

eine schematische Frontansicht auf eine erfindungsgemäße Vorrichtung,

Fig. 8

eine schematische Darstellung eines Filterstrangs in einer erfindungsgemäßen Vorrichtung,

Fig. 9

eine schematische Querschnittsdarstellung durch einen Filterstrang gemäß Fig. 8,

Fig. 10

eine schematische Darstellung des erfindungsgemäßen Förderprinzips,

Fig. 11

eine schematische Darstellung einer erfindungsgemäßen Vorrichtung für eine Doppelstrangfiltermaschine,

Fig. 12

eine schematische perspektivische Darstellung eines Magazins mit Entnahmewalze,

Fig. 13

eine schematische Darstellung der Vorrichtung gemäß Fig. 12 in einer Frontalsicht,

Fig. 14

eine schematische Darstellung eines Magazins mit verschiedenen Objekten,

Fig. 15

eine schematische Perspektivansicht einer weiteren erfindungsgemäßen Vorrichtung,

Fig. 16

schematische Darstellungen einer weiteren erfindungsgemäßen Vorrichtung und

Fig. 17

eine schematische Darstellung einer weiteren erfindungsgemäßen Vorrichtung.

The invention will be described below without limiting the general inventive idea by means of embodiments with reference to the drawings, reference being expressly made to the drawings with respect to all in the text unspecified details of the invention. Show it:

Fig. 1

a schematic perspective view of a device according to the invention,

Fig. 2

a schematic perspective detail view the device according to Fig. 1 .

Fig. 3

a further schematic perspective detail of the device according to Fig. 1 .

Fig. 4

a further schematic perspective detail of the device according to Fig. 1 .

Fig. 5

a further schematic perspective detail of the device according to Fig. 1 .

Fig. 6

a schematic perspective view of an insertion shoe,

Fig. 7

a schematic front view of a device according to the invention,

Fig. 8

a schematic representation of a filter strand in a device according to the invention,

Fig. 9

a schematic cross-sectional view through a filter strand according to Fig. 8 .

Fig. 10

a schematic representation of the conveying principle according to the invention,

Fig. 11

a schematic representation of an apparatus according to the invention for a double-strand filter machine,

Fig. 12

a schematic perspective view of a magazine with removal roller,

Fig. 13

a schematic representation of the device according to Fig. 12 in a frontal view,

Fig. 14

a schematic representation of a magazine with different objects,

Fig. 15

a schematic perspective view of another device according to the invention,

Fig. 16

schematic representations of another device according to the invention and

Fig. 17

a schematic representation of another device according to the invention.

In the following figures, identical or similar elements or corresponding parts are provided with the same reference numerals, so that a corresponding renewed idea is dispensed with.

In the FIGS. 1 to 6 a schematic representation of a first embodiment of a device 1 according to the invention for inserting objects 5 into a filter strand 3 of the tobacco-processing industry is shown perspectively in an overview and in detail.

Fig. 1 shows this device 1 according to the first embodiment in an overview. For the sake of clarity, some small-scale details are not shown, but in the following FIGS. 2 to 6 are shown and explained.

A portion of the filter strand 3 is in the lower part of the Fig. 1 shown. The conveying direction of the filter strand 3 is by a Arrow in extension of the filter strand 3 shown schematically. The filter strand 3 is in the embodiment according to Fig. 1 is conveyed in a region 3a with medium compression, passes through an insertion zone 25 and is then further compressed, so that subsequently a final compressed and optionally wrapped with a wrapping paper strip filter strand 3b is further promoted.

The device 1 comprises an object conveying device 7, which in the example shown is also referred to as a spider, as a hollow gear or generally as a loading wheel. The direction of rotation of the object conveying device 7 is represented by an arrow on the surface of the object conveying device 7 facing the observer. The object conveying device 7 has eight Einlegeschuhe 11, one of which is hidden in the perspective view of a transfer drum 19. The insert shoes 11 each have a row of six rod-shaped receiving elements 9 for objects.

The Einlegeschuhe 11 are each about an axis of rotation, which are parallel to the axis of rotation of the object conveying device 7, relative to the object conveying device 7 rotatable. The rotation preferably takes place in such a way that, in the course of a rotation of the object conveying device 7, the respective insertion shoe 11 remains constant in space in its absolute orientation. The receiving elements 9 of each Einlegeschuhs have in the embodiment according to Fig. 1 downward.

In the lower reversal point of the receiving elements 9 and the Einlegeschuhe 11 of the filter strand 3 is arranged tangentially to the conveying path of the tips of the receiving elements 9, so that they dip at the lower reversal point in the filter strand 3 in the insertion zone 25. At this point, the objects that are in Fig. 1 are not shown, released from the receiving elements 9, so that they remain in the blind hole-like depressions in the filter strand 3 and are further promoted with the filter strand 3.

In the area of the insertion zone 25, each insertion shoe can also receive additional kinematics about its own axis of rotation in order to adapt the speed of the objects even longer to the speed of the filter strand 3 and thus reduce the width of the blind hole-like depression 4 produced in each case. Corresponding blind hole depressions 4 are in the FIGS. 7 to 9 . 16 c) and 17 exemplified. Such wells are also in the embodiments according to Fig. 1 to 6 and the other figures generated.

In Fig. 1 It is shown that the receiving elements 9 are taken on the Einlegeschuhen 11 of the object conveying device 7 at a takeover position 23 of a transfer drum 19 having a plurality of rows of suction rods 21 on its peripheral surface. The distances of the suction bars 21 in each case one row on the transfer drum 19 correspond to the distances between the receiving elements 9 on the Einlegeschuhen 11. The rotation direction of the transfer drum 19 is also indicated by an arrow on the front surface of the transfer drum 19.

The transfer drum 19 receives the objects, not shown, from a removal drum 15, which in Fig. 1 not shown troughs, in which the objects are held with suction air. Such wells are for example in Fig. 3 shown. The direction of rotation of the removal drum 15 is in Fig. 1 represented by an arrow on the removal drum 15. The removal drum 15 removes the objects in several rows from a magazine 13. If the objects are liquid-filled capsules that have been removed from a magazine at a rate of about 3,000 capsules per minute, the in Fig. 1 illustrated device capsules or objects at a rate of 18,000 in the filter strand 3 are inserted.

In Fig. 2 is a schematic perspective detail view of the device 1 according to the invention Fig. 1 shown. It can be seen here that the capsules, not shown, are transferred from the magazine 13 via the removal drum in the direction of the arrow to the transfer drum 19, shown only partially, with suction rods 21, of which the objects are in turn transferred to the receiving elements 9 of the insert shoes 11 of the object conveying device 7. In Fig. 2 it can be seen that the insert shoes 11 are each arranged on the object conveying device 7 by means of an axle attachment 12. Since the axle attachment 12 of the insertion shoe 11 permits a rotation of the insertion shoe 11 relative to the object conveying device 7, a constant orientation of the receiving elements 9 on the insertion shoe 11 in the course of a rotation of the object conveying device 7 can be achieved by an opposite rotation of the insertion shoe 11 to the direction of rotation of the object conveying device 7. A kinematics that can be changed, inter alia, in the region of the insertion zone 25 for improving the speed adaptation is thus also possible.

In Fig. 3 is a further perspective detail view of the device 1 according to the invention Fig. 1 shown schematically. Therein, the suction troughs 17 on the surface of the removal drum 15 can be seen, which are each filled with an object, not shown. The suction troughs are arranged in individual rows of six suction troughs 17, which are the six receiving elements 9 correspond to each insertion shoe 11 of the object conveying device 7 both in number and in the distance. This geometry also corresponds to the orientation and the arrangement of the suction bars 21 on the subsequent transfer drum 19th

In the lowermost point of the removal drum 15 and the top point of the transfer drum 19, the suction rods 21 of the transfer drum 19 are aligned with the suction troughs 17 of the removal drum 15. For example, by switching off the suction at this point in the removal drum 15 and a turn on of suction air in the suction rods 21 of Transfer drum 19, the objects from the suction troughs 17 of the removal drum are transferred to the suction bars 21 of the transfer drum 19.

In Fig. 4 is the transfer of objects 5 of the removal drum 15 to the transfer drum 19 and further to the receiving elements 9 of the Einlegeschuhe 11 of the object conveying device 7 shown schematically in a further perspective detail.

The objects 5 are initially arranged in rows of six objects in suction troughs 17 of the removal drum 15. In the direction of the arrow they are conveyed to the lower reversal point of the removal drum 15, where they are taken over by suction rods 21 of the transfer drum 19. The distances between successive rows of suction troughs 17 on the removal drum 15 correspond to the corresponding distances of successive rows of suction rods 21 on the transfer drum 19. The circumferential speed at the periphery of the removal drum 15 in this case corresponds to the peripheral speed at the tips of the suction bars 21 of the transfer drum 19th From the upper reversal point of the transfer drum 19, the objects 5 are further conveyed by about 90 ° to the transfer position 23. At this point, the objects 5 are taken over by the receiving elements 9 of an inserting shoe 11 of the object conveying device 7. The successive Einlegeschuhe 11 on the object conveyor 7 have a much greater distance from each other than the successive rows of Saugstäben 21 on the transfer drum 19. The conveying speed of the object conveyor 7 is also significantly greater than the conveying speed of the objects 5 on the transfer drum 19, see that each time a row of suction rods 21 of the transfer drum 19 reaches the transfer position 23, a subsequent insertion shoe 11 with receiving elements 9 has also reached the position. The tips of the receiving elements 9 are located at the transfer position 23 at the location of the objects 5, so that they take over the objects 5.

In Fig. 5 is a further detail of the device 1 according to the invention Fig. 1 shown schematically in perspective. In the further course of the promotion of the objects 5 on the object conveying device 7, the objects 5 arrive in the insertion zone 25. The relative positioning of the conveying path of the objects 5 on the receiving elements 9 of the insert shoes 11 to the filter strand 3 is selected such that the tangential guidance of the Path with the filter strand 3, the objects 5 are inserted centrally into the filter strand 3. The receiving elements 9 with the objects 5 arranged thereon dive into the filter strand 3, without piercing it completely. The objects 5 are inserted in their blind hole-like depressions 4 in particular centered in the filter strand 3.

After inserting the objects 5, the Einlegeschuhe move 11 continue on their circular or elliptical path and are thus pulled out of the filter strand 3 again. At this point, the objects 5 are in the filter strand 3, so that the recordings of the receiving elements 9 are empty. After another rotation of about 270 °, the insert shoes 11 are again moved to the transfer position 23, where they again record objects 5.

In Fig. 6 is an insertion shoe 11 of a device according to the invention, in particular according to the FIGS. 1 to 5 , shown schematically in perspective. As in the preceding figures, the insertion shoe 11 has six rod-shaped receiving elements 9 arranged in a row, each of which is provided with an object 5 which is spherical in the case shown. The insertion shoe 11 also has a central axle hole 12 ', into which an axle attachment 12 of the insertion shoe 11, approximately in accordance with Fig. 2 , is insertable.

Each of the rod-shaped receiving elements 9 has at its tip a receiving seat 10a, on which the object 5 sits, and an object protection mandrel 10b, which protects the object 5 in generating the blind hole-like depression in a filter strand 3 from mechanical stress and destruction. As Fig. 6 can also be seen, the rod-shaped receiving elements 9 in cross section in the case shown polygonal, in particular with rounded corners and / or side surfaces. But it can also be used receiving elements 9 with, for example, circular cross-section use.

The receiving elements 9 have suction air ducts, not shown, for holding the objects 5 on the receiving seats 10a. In the case of spherical objects 5, the receiving seat 10a has a corresponding concave receiving surface. The object protection thorn 10b is designed collar-shaped and protrudes substantially semicircular beyond the object 5 out. When the receiving elements 9 are immersed in a filter strand 3, the object protection mandrel 10b first of all dips into the filter strand 3 and produces the blind hole-like depression 4, without the object 5 being loaded. In this case, the object 5 is fixed by the receiving seat 10a. Subsequently, in the lower turning point of the object conveying device 7 according to Fig. 1 to 5 switched off the suction and thus the objects 5 inserted into the corresponding blind hole-like depressions 4 in the filter strand 3. The object protection mandrels 10b can also be twisted relative to the illustrated version such that they project ahead of the object 5, for example, each time they penetrate into the filter strand 3, whereby an even better protection of the object 5 is achieved.

Back to Fig. 5 It is possible to provide the insert shoes 11 in the region of the insertion zone 25 with an additional rotation about its axle attachment 12, so that a further movement component is added. Thus, an insert shoe 11, which can also be referred to as a suction shoe, in this area first before entering the filter strand 3 in the in Fig. 5 shown perspective view, first slightly rotated counterclockwise and in the course of insertion into the insertion zone 25 in a clockwise direction. Since the central conveying speed of Einlegeschuhs 11 at its axis attachment 12 is slightly higher than the conveying speed of the filter strand 3, existing before and after immersion speed difference between the tips of the receiving elements 9 of the Einlegeschuhe 11 and the filter strand 3 is at least partially compensated. Thus, the longitudinal extent of the blind hole-like depressions 4 is reduced.

In Fig. 7 is a schematic representation of an object conveying device 7 and a filter strand 3 with a strand conveying device 31 shown. The Einlegeschuhe 11 can so as in Fig. 6 be shown, however, in the in Fig. 7 illustrated example with only five receiving elements 9. In deviation from the embodiment according to the Fig. 1 to 5 is in the embodiment according to Fig. 7 set an elliptical path. This can be done for example by a suitable choice of planetary gears. In the Fig. 7 shown elliptical path has the advantage that at the lower reversal point, the speed of the receiving elements 9 is adapted over a longer time or distance to the speed of the filter strand 3 as in the circular case. Due to the reduced vertical immersion speed, the insertion of objects 5 also takes place somewhat more gently than in the case of a circular path.

In the lower part of Fig. 7 a strand conveying device 31 is shown. Compressed filter material 3c, coming from the right, is guided through a transport sleeve 33a into an inlet finger 33, in which the filter material is precompressed. From the inlet finger 33 exits a filter strand 3a in medium compression and enters the insertion zone 25, are inserted in the objects 5 in the pre-compressed filter strand 3 to produce blind hole-like depressions 4. These are slightly elongated due to the varying speed of the objects 5 in strand direction. Instead of an insertion zone 25, in which the diameter and thus the degree of compaction of the filter strand 3 remains constant, the insertion zone 25 may be provided with a cross-section reducing in the conveying direction of the filter strand 3.

After emerging from the loading zone 25, the filter strand 3 reaches a format 39 in which it is coated with a wrapping paper or filter paper 37 is wrapped, which has been supplied via a guide roller 35. From the format 39 exits the final compressed filter strand 3b.

In Fig. 8 is the strand conveying device 31 according to Fig. 7 viewed from above shown schematically. Coming again from the right, uncompressed filter material 3c enters the inlet finger 33 through a transport nozzle 33a and is precompressed there. The insertion zone 25 has a guide with a gap 41 for inserting objects 5. The blind hole-like depressions 4 in this view have a somewhat elongated shape in the strand direction. Downstream of the insertion zone 25, the strand material is further compressed and enters the format 39, where the objects 5 are finally embedded in the filter strand 3. At this point, close the blind hole-like depressions 4. In this case, the format 39 also has a gap 43.

Fig. 9 shows two schematic cross-sectional views with respect to the strand conveying device 31 according to FIGS. 7 and 8 , In Fig. 9 a) a cross-section through the format 39 is shown. In this case, the filter strand 3 has a small diameter, which substantially corresponds to the final diameter of the filter strand. The filter strand 3 has in its center on an object 5 around which it is compressed. The filter strand 3 is also wrapped with a filter paper or wrapping paper 37.

Fig. 9b) shows a cross section schematically through the strand conveying device 31 at the location of the insertion zone 25. The diameter of the filter strand 3 is at this point still much larger than in the area of the format 39 from Fig. 9 a) , In Fig. 9b) the filter strand 3 is a filter strand 3a with medium compression.

As Fig. 9b) can also be seen, emerges a rod-shaped Receiving element 9 at an insertion shoe 11 at this point through the gap 41 in the filter strand 3 and places an object 5 in the center of the filter strand 3 from. This creates a blind hole-like depression. 4

In Fig. 10 is shown schematically, as the conveyor tracks 51 to 55 for parallel conveyed objects 5 look. The object conveying device 7 corresponds to that of Fig. 7 , In both embodiments, each insertion shoe 11 has five equally spaced receiving elements 9. Each insertion shoe 11 is guided on an elliptical path and retains its orientation in space during a rotation. This means that each receiving element 9 is guided on its own, parallel displaced elliptical conveyor track 51 to 55. Thus, each receiving element 9 has its own lower reversal point in the filter strand 3, which are each arranged in the insertion zone 25. The transfer position 23 is also shown.

In Fig. 11 a further embodiment of a device 1 according to the invention is shown schematically. A removal drum 15 substantially corresponds to the removal drum 15 of the embodiment according to Fig. 1 to 5 , In contrast to the embodiment according to Fig. 1 to 5 In this case, however, two filter strands 3, 3 'are produced in parallel in a double-strand machine and provided with objects 5.

For this purpose, the transfer drum 19 not only on the circumference of the transfer drum 19 fixed suction rods 21, but alternately with the suction rods 21 and hinged suction rods 22. In the transfer point of the removal drum 15 are the folding suction bars 22 in a retracted position in which they the same Have height above the circumference of the transfer drum 19th as the suction bars 21. After the suction bars 21 and the folding suction bars 22 have been loaded with objects 5 from the removal drum 15, fold the folding suction bars 22 to at the transfer position 23 in the radial direction from the center of the transfer drum 19 with the next trailing suction rod 21 to be aligned. At this point, objects 5 are transferred from the fixed suction bars 21 to a first row of receiving elements 9 and from the folding suction bars 22 to a second row of receiving elements 9 'of a modified insertion shoe 11. The receiving elements 9 of the first row insert the objects 5 below into the first filter strand 3, the receiving elements 9 'of the second row insert the objects 5 into the second filter strand 3'.

After the transfer of the objects 5 to the receiving elements 9, 9 'fold the folding suction bars 22 back to their original position. A corresponding mechanism is for example in the patent DE 41 29 672 C2 of the applicant, which relates to a conveying device for conveying rod-shaped articles of the tobacco-processing industry.

In Fig. 12 is a detail of a magazine 13 and a removal drum 15 according to the invention shown schematically. The magazine 13 and the removal drum 15 are modular. For this purpose, the magazine 13 has two partial magazines 71, 72 which each have the width of the diameter of an object 5. The objects 5 are therefore stacked in the sub-magazines 71, 72, each in the thickness of an object.

The sub-magazines 71, 72 each have a filling level limit 75 at which two level sensors 77, 78 are arranged, the signals of which are used to subsequently supply objects 5 in the sub-magazines 71, 72 to interrupt or restart. Below the partial magazines 71, 72 two removal discs 61 a, 61 b of the removal drum 15 are arranged. Each of the removal discs 61 a, 61 b has on its circumference a number of suction cups 17, which are filled in the region of the sub-magazine 71, 72, each with an object 5. In order to reduce the stress on the objects 5 during the filling of the suction troughs 17, the partial magazines 71, 72 each have an outlet ramp 73 in the downstream region, which ensures that the pressure on the objects 5 is reduced.

The removal discs 61a, 61b rotate at the same peripheral speed on a common axis. The direction of rotation is shown by an arrow on the front side of the picking disc 61 a. In the circumferential direction is shown schematically that the suction troughs 17 are acted upon in a suction region 65 with suction or vacuum to hold the objects 5 in the suction troughs 17. In an adjacent compressed air region 66 arranged at the lower reversal point, this is reversed. The suction trough 17 is pressurized with compressed air to expel the object 5 contained therein. Thus, the object 5 to the suction rod 21 of a transfer drum 19 according to Fig. 1 to 5 respectively. Fig. 11 to hand over.

In the Fig. 12 shown modular design allows to use a desired number of parallel side by side to be operated part magazines and removal discs and adjust their distances flexible. This is advantageous in the case of product changes, since only the corresponding removal disks and partial magazines and their distances must be changed without the need for a completely new device.

In Fig. 13 is shown schematically, in which way the filling of the picking slices 61a to 61d can take place. On the left side, it is shown with reference to a partial magazine 71 that objects 5 are filled in a layer in the partial magazine 71 and are removed by a removal disc 61a. At the bottom of the Fig. 13 is also shown schematically that the transfer drum 19 with a plurality of transfer discs 91 a to 91 d is modular, which are held by separator or cutting discs 92 a to 92 c at a distance and which are arranged on a common driven by a drive 95 axis 93.

The removal drum 13 also has a plurality of removal discs 61a to 61d which are spaced apart by separation discs 62a to 62c. In this way, by a suitable choice of the thickness of the cutting discs 62a to 62c different distances can be adjusted. The removal discs 61 a to 61 d and cutting discs 62 a to 62 c are arranged on a common driven by a drive 69 axis 67.

In addition to the partial magazine 71 for only one row or layer of objects 5, a partial magazine 81 is provided for a plurality of rows, which holds objects 5 ready for the removal discs 61b to 61d. In this case, the surfaces of the cutting discs 62b and 62c are contoured to cause the objects 5 to get to the picking discs 61b to 61d. For this purpose, the surface of the cutting disk 61 b in cross-section triangular or angled contoured, while the surface of the cutting disk 62 c is contoured in cross-section with a rounded surface 64. The sub-magazine 71 can be filled with a different kind of objects 5 than the sub-magazine 81.

Fig. 14 2 shows diagrammatically and by way of example how different picking disks 61a to 61d can be filled with different types of object 5, 5 ', 5 ", thus showing on the left side that a partial magazine 82 is provided for two picking disks 61a, 61c. which is loaded with a first type of objects 5. As seen in the plane of the drawing, partially concealed by the sub-magazine 82, a partial magazine 71 is shown, which feeds the removal disc 61 b with a second type of objects 5. Finally, on the right-hand side a further sub-magazine 71 for the picking disc 61 d shown, which is filled with objects 5 "of a third type. Common to the sub-magazines 71 and 82, that they are directly above the sampling discs 61 a to 61 d to each of the thickness of an object 5, 5 ', 5 "narrowed, so that a uniform filling of the suction troughs 61, 61 a to 61 d allows becomes.

In Fig. 15 an alternative embodiment of a device 1 according to the invention is shown schematically in perspective. This differs from the inventive design according to the Fig. 1 to 5 in that instead of a combination of a removal drum 15 and a transfer drum 19, a combined removal and transfer drum 101 is provided. This rotates in the illustrated arrow direction under a magazine 13, from which it receives objects 5 in several rows. It continues to rotate to the transfer position 23, where the objects 5 are taken by the receiving elements 9 of an inserting shoe 11 of an object conveying device 7. All elements of the object conveying device 7 correspond to those of the embodiment according to Fig. 1 to 5 ,

In Fig. 15 the removal and transfer drum 101 has a cavity 103, arranged in the circumferential direction one behind the other Rows of six radially displaceable Saugstäben 105 are provided. These are connected in each row, each with a Saugluftverteiler 107, which is displaced together with the radially displaceable Saugstäben 105 in the course of a revolution of the removal and transfer drum 101 in the radial direction of the removal and transfer drum 101.

The reference numeral 109 schematically illustrates a path in which the suction bars 105 and the suction air distributors 107 are not displaced. With the reference numeral 111, the web is schematically marked with deflection.

The positioning of the displaceable suction bars 105 in the course of the rotation of the removal and transfer drum 101 takes place in such a way that the suction bars 105 are radially retracted over a large part of the rotation. This results in the outer circumference of the removal and transfer drum 101 Saugmulden that drive at the upper reversal point under the magazine 13 and remove objects 5 from the magazine 13. At this point, the operation and operation of the removal and transfer drum 101 is equal to that of the embodiment of the Fig. 1 to 5 and the Fig. 11 to 14 , The magazine 13 may be modular, as in the Fig. 12 to 14 described.

After taking over objects, the suction bars 105 along a control curve, which is mechanically, for example via an eccentric disc, or electronically formed or imaged, moved radially outward. The control cam or deflection curve is provided with the reference numeral 111. The radial displacement is in Fig. 15 Also schematically represented by arrows drawn in the cavity 103.

At the takeover position 23, the displaceable suction bars 105 project so far out of the circumference of the removal and transfer drum 101 that they or the objects 5 arranged thereon are taken over by the receiving elements 9 of the suction shoes or insert shoes 11. In the further rotation after the transfer position 23, the suction bars 105 are retracted radially again.

In the Fig. 16 a) to 16 c) a further alternative device according to the invention from different directions is shown schematically. In Fig. 16 a) a removal device 121 is shown schematically in a plan view, in place of a removal drum 15 according to the Fig. 1 to 5 or 101 according to Fig. 15 occurs. The removal device 121 according to Fig. 16 a) is arranged horizontally and rotates about a vertical central axis of rotation 122. In a central cavity 123 objects 5 are inserted, which are pressed by the centrifugal force in longitudinally extending chambers 125 and pass in these chambers 125 to the outer periphery of the sampling device 121.

In Fig. 16b) is in the upper part of a half of the removal device 121 shown in cross section, starting from the vertical axis of rotation 122. The central cavity 123 is filled with objects 5, by the centrifugal force of the rotation of the extraction device 121 to the outside, ie in Fig. 16b) be pressed to the left in the channel 125. At the end of the channel 125 is located at the bottom of the removal device 121 has an opening through which an object 5 passes into a receptacle of a rod-shaped receiving element 133 of a Einlegerads 131. The receptacle or the rod-shaped receiving element 133 is preferably acted upon by suction air. In Fig. 16b) is also shown that the rod-shaped receiving element 133 has an object protection mandrel 10 b at its tip.

The loading wheel 131 in Fig. 16b) is rotatable about a horizontal axis of rotation. In the course of the rotation, the rod-shaped receiving element 133 is moved radially. In the upper reversal point, in which objects 5 are removed from the removal device 121, the receiving element 133 is completely retracted, while it is moved out at the lower reversal point maximum radially.

In Fig. 16c ) is the embodiment of the device 1 according to the invention Fig. 16 a) and 16 b) shown schematically in a frontal view. From an uppermost arranged magazine 13 reach objects 5 in the central cavity 123 of the sampling device 121 and are by the centrifugal force in the Fig. 16 a) and 16 b) shown channels 125 pressed to the periphery. At this point takes a receiving element 133, which is retracted in the radial direction in a Einlegead 131, an object 5. The example held with suction on the receiving element 133 object 5 is in Fig. 16c) rotated in the counterclockwise direction with the Einlegead 131. In this case, the corresponding receiving element 133 moves radially out of the Einlegead 131 out. An object protection mandrel 10b leads the object 5 in advance.

At the lower reversal point, the receiving element 133 reaches with the object 5 the insertion zone 25, in which a filter strand 3 is conveyed from left to right in this exemplary embodiment. In this case, the receiving element 133 penetrates the object protection mandrel 10b ahead of the filter strand 3 and produces a blind hole-like depression 4. The object 5 is not mechanically stressed. At the reversal point, the object 5 is released, so that it is conveyed on with the strand 3 in the blind hole-like depression 4. In the further course of the rotation of the Einlegeads 131, the receiving element 133 is retracted again in the radial direction to at upper reversal point to record another object 5. The retraction of the receiving element 133 can also be done very quickly after releasing the object 5 so as not to broaden the blind hole-like depression too much.

A further embodiment of the device 1 according to the invention Fig. 17 corresponds in the operation of the Einlegeads 131 from that Fig. 16 , In contrast to Fig. 16 is in Fig. 17 Instead of a removal device 121, a removal device 141 is provided, which rotates about a horizontal axis of rotation. It is a hollow drum having a fixed outer shell 143 in which a reservoir drum 145 rotates. This is provided at its periphery with inwardly curved baffles 147, between each of which grooves 148 are arranged, which have the width of an object 5.

As a result of the rotation of the reservoir drum 145, the objects 5 at the circumference preferably distribute themselves at the positions of the grooves 148. The envelope 143 has an opening 149 at the lower turning point, at which objects 5 can exit through grooves 148 or openings. Here they are taken by a receiving element 133 in reception and in the embodiment according to Fig. 16 further described manner and inserted into a filter strand 3.

All mentioned features, including the drawings alone to be taken as well as individual features that are disclosed in combination with other features are considered alone and in combination as essential to the invention. Embodiments of the invention may be accomplished by individual features or a combination of several features.

LIST OF REFERENCE NUMBERS

1

contraption

3, 3 '

filter rod

3a

Filter strand in medium compression

3b

end-compressed filter strand

3c

uncompressed filter material

4

blind hole-like depression

5, 5 ', 5 "

object

7

Object conveyor

9, 9 '

rod-shaped receiving element

10a

receiving seat

10b

Property protection Dorn

11

Shoe inserts

12

Achsbefestigung the Einlegeschuhs

12 '

axle hole

13

magazine

15

removal drum

17

suction trough

19

Transfer drum

21

vacuum wand

22

foldable suction bar

23

over position

25

loading zone

31

Strand conveyor

33

intake finger

33a

transport jet

35

Paper feed pulley

37

filter paper

39

format

41

gap

43

gap

51 - 55

elliptical conveyor track

61a - 61d

dispensing disks

62a - 62c

cutting wheel

63, 64

contoured surface

65

suction area

66

Compressed air range

67

axis

69

drive

71, 71 '

part Magazine

72, 72 '

part Magazine

73

End ramp

75

filling limit

77, 78

level sensor

81, 82

Part magazine for several rows

91a - 91d

Transfer disc

92a - 92c

cutting wheel

93

axis

95

drive

101

Withdrawal and transfer drum

103

cavity

105

movable suction bar

107

Saugluftverteiler

109

without deflection

111

with deflection

121

removal device

122

vertical axis of rotation

123

central cavity

125

chamber

131

insertion wheel

133

rod-shaped receiving element

141

removal device

143

shell

145

Reservoir drum

147

baffle

148

gutter

149

opening

Claims (15)

Method for loading objects (5, 5 ', 5 ") into a filter strand (3, 3', 3a-3c) of the tobacco-processing industry, wherein the filter strand (3, 3 ', 3a-3c) is conveyed in the longitudinal axial direction , at least one object (5, 5 ', 5 ") in an insertion zone (25) in the filter strand (3, 3', 3a - 3c) is inserted and the filter strand (3, 3 ', 3a - 3c) is then compressed in that the object (5, 5 ', 5 ") is enveloped by the filter strand (3, 3', 3a-3c), characterized in that the at least one object (5, 5 ', 5") forms a blind hole-like depression (4) in the filter strand (3, 3 ', 3a - 3c) is inserted. A method according to claim 1, characterized in that the at least one object (5, 5 ', 5 ") prior to insertion on a portion of a circular or elliptical or in the Substantially circular or elliptical path (51-55) or on a section of a web resulting from a superposition of a circular or elliptical path (51-55) with another curved path, in particular the filter strand (3, 3 ', 3a-3c) in the loading zone (25) runs tangentially to the web (51-55), wherein a conveying speed of the object (25) during loading in the loading zone (25) in the conveying direction of the filter strand (3, 3 ', 3a-3c) 3c) is equal to or substantially equal to the conveying speed of the filter strand (3, 3 ', 3a - 3c). Method according to claim 1 or 2, characterized in that the at least one object (5, 5 ', 5 ") is pressed unprotected into the filter strand (3, 3', 3a-3c) during the production of the blind-hole-like depression (4) or is protected against direct stress. Method according to one of claims 1 to 3, characterized in that the at least one object (5, 5 ', 5 ") prior to insertion into the filter strand (3, 3', 3a - 3c) by means of suction air on a receiving element (9, 9 ') is held and in the insertion zone (25), in particular by switching off the suction air and / or supplying compressed air, to the filter strand (3, 3', 3a - 3c) is passed. Method according to one of claims 1 to 4, characterized in that the filter strand (3, 3 ', 3a - 3c) is compacted in the insertion zone (25) and / or before inserting the at least one object (5, 5', 5 ") is precompressed to a density which is between a density of an uncompressed and / or unshaped filter strand (3c) and a compacted and formed filter strand (3b). Method according to one of claims 1 to 5, characterized in that a plurality of objects (5, 5 ', 5 ") at the same time in the filter strand (3, 3', 3a - 3c) to produce their own blind hole-like depressions (4) are inserted , wherein the plurality of objects (5, 5 ', 5 ") are each conveyed on identically dimensioned circular or elliptical paths (51-55), which in the conveying direction of the filter strand (3, 3', 3a - 3c) against each other by a preset or At least one object (5, 5 ', 5 ") is inserted in each case in at least two filter strands (3, 3', 3a-3c) conveyed parallel to each other along the axial axial axis to produce a respective blind hole-like depression (4) , Device (1) for inserting objects (5, 5 ', 5 ") into a filter strand (3, 3', 3a - 3c) of the tobacco processing industry, comprising a strand conveying device (31) for longitudinal axial conveying of a filter strand (3, 3 ', 3a - 3c) and an object conveying device (7, 131) for objects (5, 5', 5 ") to be inserted into the filter strand (3, 3 ', 3a - 3c), wherein the object conveying device (7, 131) forms a conveying path (51-55) for the objects (5, 5 ', 5 ") which are taken over by a takeover position (23) on which objects (5, 5', 5 ') are transferred to the object conveying device (7, 131), to an insertion zone (25), in which the objects (5, 5 ', 5 ") are inserted into the filter rod (3, 3', 3a-3c), characterized in that the object conveying device (7, 131) accommodates receiving elements (25). 9, 9 ', 133) for in the filter strand (3, 3', 3a - 3c) to be inserted objects (5, 5 ', 5 "), wherein the receiving elements (9, 9', 133) at least partially substantially rod-shaped excl e are formed and in each case a receiving seat (10 a) with a holding means for an object (5, 5 ', 5 ") in the region of its tip, wherein for inserting an object (5, 5', 5") in the filter strand (3, 3 ', 3a - 3c) in the region of the insertion zone (25 ) the receiving element (9, 9 ', 133) substantially perpendicular to the filter strand (3, 3', 3a - 3c) is aligned, the filter strand (3, 3 ', 3a - 3c) tangentially to the conveyor track (51 - 55) is and a conveying speed of the objects (5, 5 ', 5 ") is adapted in the strand conveying direction to a strand conveying speed, so that the receiving element (9, 9', 133) to produce a blind hole - like depression (4) in the filter strand (3, 3 ', 3a - 3c) dips. Device (1) according to claim 7, characterized in that the conveyor track (51-55) between the transfer position (23) and the loading zone (25) comprises a portion of a circular or elliptical or substantially circular or elliptical path (51-55) or describes a portion of a web resulting from a superposition of a circular or elliptical path (51-55) with another curved path. Device (1) according to claim 7 or 8, characterized in that the receiving seat (10a) at the tip of the receiving element (9, 9 ', 133) is arranged or the receiving element (9, 9', 133) has an extension (10b) has at its top, which protects the at least one object (5, 5 ', 5 ") in the generation of the blind hole-like depression (4) from direct stress. Device (1) according to one of claims 7 to 9, characterized in that the insertion zone (25) between an inlet finger (33) and a format (39) for the filter strand (3, 3 ', 3a - 3c) is arranged and / or the filter strand (3, 3', 3a - 3c) in the insertion zone (25) has a conically decreasing diameter in the conveying direction. Device (1) according to one of claims 7 to 10, characterized in that at least two receiving elements (9, 9 ', 133) staggered to each other for inserting objects (5, 5', 5 ") in at least two parallel to each other longitudinally funded filter strands (3, 3 ') are provided and / or a plurality of rod-shaped receiving elements (9, 9') are arranged parallel in a row or in a plurality of rows on a common insertion shoe (11) on the object conveying device (7) on a circular or elliptical Trajectory rotates, the insertion shoe (11) in particular to maintain its orientation in the course of the web about an axis of rotation (12) is rotatable, which is perpendicular to the plane spanned by the web surface. Device (1) according to one of claims 7 to 11, characterized in that a magazine (13) for objects to be inserted (5, 5 ', 5 ") and a removal drum (15, 101) for removing objects (5, 5' , 5 ') from the magazine (13) is provided, wherein in particular the removal drum (101) for transferring the objects (5, 5', 5 ") to the object conveying device (7) is formed, in particular by means of radially displaceable suction rods (105) , Device (1) according to claim 12, characterized in that a transfer drum (19) with suction rods (21, 22) is provided, which for the acquisition of objects (5, 5 ', 5 ") of the removal drum (15) and for transfer of the objects (5, 5 ', 5 ") is formed on the object conveying device (7), wherein in particular for the transfer of two or more rows of objects (5, 5 ', 5 "), a part of the suction bars (22) is provided with a folding mechanism. Device (1) according to claim 12 or 13, characterized in that the magazine (13), the removal drum (15, 101) and / or the transfer drum (19) are modular, in particular with drum discs (61 a - 61 d, 91 a - 91 d) of the removal drum (15) and / or the transfer drum (19) whose number and distance is adjustable to one another. Machine of the tobacco processing industry, in particular filter rod machine, with a device (1) according to one of claims 7 to 14.

Images