EP2641483A1 - Format device of a strand machine - Google Patents

Abstract

The format devices (10,20) have conveying channel arranged between lower format units (14,24) and cover strip unit of upper format units (12,22). The cover strip unit with cover strips (12.1,22.1), is connected to a motor operated adjustment bolt which is driven by a motor. The linear adjustment of the cover strip unit with respect to the lower format unit is performed in vertical direction, by engaging the cover strip unit with the adjustment bolt. Independent claims are included for the following: (1) strand machine; and (2) method for operating strand machine.

Description

The invention relates to a format device of a rod making machine of the tobacco processing industry for producing a wrapped and in cross-section, and in particular continuous, strand of tobacco processing industry, in particular tobacco rod or filter strand, wherein in a strand conveying section of the format means a conveying channel for the strand to be formed using a lower-side lower format body forming a lower format, and an upper format provided with a cover body are formed. Furthermore, the invention relates to a rod making machine of the tobacco processing industry, in particular filter rod machine or tobacco rod machine.

Moreover, the invention relates to a method for operating a stranding machine for producing a, preferably continuous strand of the tobacco-processing industry, in particular a filter strand or tobacco strand, enveloped by a wrapping material strip. wherein a strand to be wrapped together with the wrapping material strip in the strand conveying direction by a first strand forming format unit with a first upper format unit of a format device, wherein the first upper format unit is formed with a strand forming contour having cover strip body, and then the strand to be formed by a second strand forming format unit a second upper format unit of the format device is conveyed in a sub-format having a conveyor channel, wherein the first upper format unit is positioned at a predetermined distance with respect to the conveyor channel, and wherein the second upper format unit is positioned at a controllable distance with respect to the conveyor channel.

In the context of the invention, a covered strand of the tobacco-processing industry is understood in particular to mean an endless filter strand or a tobacco strand formed from tobacco material, which is enveloped by a wrapping strip of paper, foil or the like.

For example, in DE 27 48 172 A1 discloses a strand forming apparatus for strand machines for producing rod-shaped articles of the tobacco processing industry.

In addition revealed DE 101 45 327 A1 a trim set for an extrusion machine of the tobacco processing industry, wherein the contour of side guide surfaces and strand guide surfaces is at least partially asymmetrical in the strand conveying direction before reaching a vertical orientation of at least one side guide surface.

Based on this prior art, the task of Invention is to improve the operation of a format device of a strand machine of the tobacco processing industry, the strand machine should be easily adaptable to the production conditions in a simple manner.

This object is achieved by a format device of a rod making machine of the tobacco-processing industry for producing a wrapped and in cross-section, and in particular continuous, strand of the tobacco-processing industry, in particular tobacco rod or filter strand, wherein in a strand conveying section of the format means a delivery channel for the strand to be formed is formed using a lower side forming a sub-format Unterformatkörpers and using a provided with a, preferably non-pivotable, cover strips body upper format, which is further developed by a connected to the cover strip body motorized adjusting device for the cover strip body and a motor drive for the adjustment provided are, wherein the adjusting device is connected to the cover strip body and wherein using the attacking on the cover strip body Verstellein Direction of a positively guided, preferably stepless, adjustment, in particular linear adjustment of the cover strip body with respect to the lower format body, preferably in the vertical direction, is executable.

The invention is based on the idea that due to the position of the cover strip body due to the position of the cover strip body, the diameter of the strand to be formed, eg tobacco rod or cigarette rod, changed during operation of a strand machine in a simple manner or adjusted by the position of the provided with a strand forming contour, resulting in a additionally motor-driven adjustment and height adjustment of the cover strip body results. The position or change in position of the cover strip body makes it possible to correspondingly influence the temperature between the strand to be formed and a subsequent (second) upper format unit, eg cooling device or cooling web. For example, if it is found that the frictional heat on contact of the strand to be formed with the second upper format unit, which is arranged in the strand conveying direction after the input side provided with a cover strip body first Oberformateinheit increases due to an intended control or regulating the upstream upstream and diameter-predetermined cover strip body lowered or in the direction of the level of the following (second) upper format unit, eg cooling device, whereby the shape of the strand to be formed is influenced due to the changed position or height adjustment of the cover strip body, whereby the frictional heat in contact between the strand to be formed and the second Upper format unit is reduced and thereby the temperature or contact temperature between the strand to be formed and the (second) upper format unit is lowered, whereby, for example when designing the second upper format unit a ls cooling device, the corresponding cooling power to be provided is reduced. As a result, a better energy balance is achieved in a high-format cooling of the strand to be formed as a result of the controlled height adjustment of the first upper format unit.

Since the adjusting device is connected or operatively connected to the cover strip body, it is possible to carry out a continuous adjustment or positioning of the cover strip body due to the motor drive for the adjusting device, wherein in particular the drive for the adjusting device is designed as an electric drive.

For this purpose, it is further provided in one embodiment that the adjusting device for the cover strip body has a vertical guide device for the cover strip body.

For this purpose, it is further provided that the vertical guide device for the cover strip body at least one or more, preferably vertically formed, pin body and one provided for the pin body pin body guide receptacle, which cooperates with the respective pin body has. This makes it possible that a stepless vertical change in position of the cover strip body is carried out with respect to the lower side Unterformatkörper, in which case pin bodies may be provided on the cover strip body, which cooperate with Stiftkörperführungsaufnahmen of the lower format or the Unterformatkörpers. In the context of the invention may be provided that the pin body are formed upwardly projecting on Unterformatkörper for the cover strip body, wherein the cover strip body has corresponding Stiftkörperführungsaufnahmen so that the pin body of the Unterformatkörpers engage in the Stiftkörperführungsaufnahmen of the cover strip body and due to the vertical orientation movement of Allow cover strip body in the vertical direction.

In addition, it is provided in one embodiment that the adjusting device comprises an actuatable adjusting body, in particular an actuatable adjusting screw, so that the vertical height of the cover strip body is adjustable by the actuation of the adjusting body by a motor drive with respect to the lower side Unterformatkörper. Here, the adjusting body is connected as a motor-operated adjusting body or adjusting screw with a corresponding drive, so that upon rotation of the adjusting screw of the cover strip body relative to the lower format body is moved vertically up or down depending on the direction of rotation.

For this purpose, it is further provided in one embodiment that the adjusting body is connected via a vertically movable connecting body with the cover strip body, wherein in particular the connecting body by means of a clamping device, in particular spring, is biased.

Moreover, in a further development of the format device, it is preferred that a regulating device is provided for the adjusting device, such that depending on the diameter of the strand produced, preferably after passage of the strand through the format device, and / or as a function of the temperature, in particular the contact temperature , Between the funded strand and a downstream in the conveying direction of the strand, preferably separate, upper format unit, which can be brought or brought into contact with the promoted strand, the position of the cover strip body is adjustable.

For this purpose, in a preferred embodiment of the format device is provided that the control device is connected to a measuring device for measuring or for detecting the cross section of the strand formed and / or the control device with a temperature sensor unit on the second upper format unit. This ensures that by means of the measuring device, the shape of the formed strand is monitored and detected, so that in case of deviations from setpoints eg the strand cross section depending on the detected deviations using the control device, the position of the input side cover strip body is changed in the vertical. In addition, by means of the temperature sensor unit on the second upper format unit, the contact temperature or the frictional heat between the strand to be formed and arranged after the cover strip body second upper format unit, so that the position of the input-side cover strip body is adjusted according to the detected and generated by friction temperature.

Moreover, it is provided in a development that the control device is connected to the drive for the adjusting device for the cover strip body and / or that the control device is connected to an adjusting motor of the second upper format unit. As a result, the height or positions of the second upper format unit and the cover body formed as the first upper format unit are adjusted in height accordingly, whereby due to the relative orientation of the first Oberformateinheit or the input-side cover strip body with respect to the second upper format unit, e.g. Kühlsteg or cooling device, is set accordingly, whereby the quality of a round shaped strand is kept constant or increased with respect to a predetermined diameter, so that due to the position adjustment of the cover strip body and possibly height adjustment of the second Oberformateinheit the operation of a rod making machine for producing a tobacco rod or a filter strand is not interrupted.

Furthermore, an embodiment of the format device is characterized in that the format device has a plurality, preferably separate, upper format units, wherein in the conveying direction of the strand or the strand to be formed, preferably an input side, first upper format unit is formed with the cover strip body and / or a second upper format unit, which is arranged in the conveying direction of the strand after the first upper format unit, as a cooling device or a heating device or an adhesive chamber is formed for the strand to be formed.

In this case, both in the formation of a filter rod machine after the input-side cover strip body (as the first upper format unit), a formed with a cooling web second upper format unit is provided. In the formation of a cigarette rod machine or tobacco rod machine, a sealing unit such as a sealing unit is used. an adhesive chamber between an input-side cover strip body (as the first upper format unit) and formed with a heating web upper format unit, so that in the tobacco rod machine formed with a heating web upper format unit for the seam of a wrapped around the strand strand wrapping material strip immediately following the input-side cover strip body (as first upper format unit) is arranged, so that after the formation of the strand by the formed with a strand forming contour of the cover strip body of the glue applied to the wrapping material strip glue by the heating bar of the downstream (second) upper format unit and cured quickly.

Furthermore, a further development of the format device is characterized in that the format device exclusively has only two upper format units, in particular the format device without a sealing device or without a so-called adhesive chamber for a wrapping material strip of the strand to be wrapped, preferably without an adhesive chamber or klebkammerfrei, especially in a Tobacco rod machine, is formed.

In addition, the object is achieved by a rod making machine of the tobacco-processing industry, in particular filter rod machine or tobacco rod machine, with a previously described Forming device is formed. To avoid repetition, reference is expressly made to the above statements.

In addition, the object is achieved by a method for operating a stranding machine for producing a wrapping material strip enveloped, preferably continuous strand of the tobacco processing industry, in particular filter strand or tobacco rod, wherein a strand to be wrapped together with the wrapping material strip in the strand conveying direction by a first one strand forming format unit with a first upper format unit of a format device, wherein the first upper format unit is formed with a strand forming contour having cover strip body, and then the strand to be formed is conveyed through a second strand forming format unit with a second upper format unit of the format device in a conveying channel having a sub-format, wherein the the first upper format unit is positioned at a predetermined distance with respect to the conveyance channel, and wherein the second upper format unit is positioned with respect to the first Delivery channel is positioned with a controllable or adjustable distance, wherein the method is further developed in that the position of the cover strip body is adjusted by means of an adjustment for the cover strip body, wherein the adjusting and the cover strip body are interconnected, and wherein the position of the cover strip body by means of a control device depending on the diameter of the strand produced, preferably after passage of the strand through the format device, and / or depending on the temperature, in particular the contact temperature, between the conveyed strand and downstream in the conveying direction of the strand, preferably separate, upper format unit, with the subsidized Strand is brought into contact or brought, is regulated.

The invention is based on the idea that the position of an input-side cover strip body (as a first upper format unit) is regulated as a function of the temperature between a conveyed strand and the second upper format unit downstream in the conveying direction of the strand. As a result, friction and the frictional heat between the strand to be formed and the upper format unit in contact with the strand are reduced, with the temperature at the upper format unit correspondingly decreasing.

In addition, the method is advantageously further developed in that the position of the cover strip body is raised in the vertical direction with increasing temperature between the strand to be formed and the second upper format unit, so that the diameter can be kept almost constant.

Moreover, in an embodiment of the method, it is further provided that the position of the cover strip body is lowered in the vertical direction with falling temperature between the strand to be formed and the second upper format unit, so that the diameter can be kept almost constant.

For this purpose, it is further provided in the method that the format device is formed as described above, wherein reference is also made to avoid repetition of the above statements accordingly.

Further features of the invention will become apparent from the description of embodiments according to the invention together with the claims and the accompanying drawings. invention Embodiments may satisfy individual features or a combination of several features.

Fig. 1

schematisch eine Formateinrichtung einer Zigarettenstrangmaschine;

Fig. 2

schematisch eine Ansicht einer Formateinrichtung einer Filterstrangmaschine;

Fig. 3

schematisch den Aufbau einer Formateinrichtung einer Strangmaschine der Tabak verarbeitenden Industrie mit einer Regeleinrichtung;

Fig. 4a

schematisch eine Draufsicht auf einen Einlaufbereich einer Formateinrichtung im Ausschnitt und

Fig. 4b

einen Querschnitt durch die Formateinrichtung gemäß der in Fig. 4a eingezeichneten Schnittlinie A-A.

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

schematically a format device of a cigarette rod machine;

Fig. 2

schematically a view of a format device of a filter rod machine;

Fig. 3

schematically the structure of a format device of a strand machine of the tobacco processing industry with a control device;

Fig. 4a

schematically a plan view of an inlet region of a format device in the neck and

Fig. 4b

a cross section through the format device according to the in Fig. 4a drawn section line AA.

In the drawings, the same or similar elements and / or parts are provided with the same reference numerals, so that apart from a new idea each.

In Fig. 1 schematically a format device 10 of a cigarette rod P is shown schematically. For example, a cigarette rod machine of HAUNI Maschinenbau AG is under the name PROTOS known.

The format device 10 has an upper format 12 and a lower format 14. A tobacco rod to be wrapped is inserted between the upper format 12 and the lower format 14 from right to left in accordance with the Fig. 1 conveyed schematically drawn conveying direction F to be wrapped longitudinal axially promoted tobacco rod. The upper format 12 has in the conveying direction F a cover strip 12.1, an adhesive chamber 12.2 and a heating bar 12.3.

In the sub-format 14, a conveying channel is formed for the tobacco rod to be wrapped, the sub-format 14 itself being composed of independent units, such as e.g. an inlet chamber, a first sub-format, a second sub-format and an outlet chamber, may exist.

In Fig. 2 schematically a format device 20 of a filter rod machine K is shown. A filter rod machine of HAUNI Maschinenbau AG, Hamburg, is known under the name KDF.

In Fig. 3 schematically shows the structure of a format device 30 for a strand machine of the tobacco processing industry with a control device 40 according to the invention for controlling the, preferably vertical, position of an input side cover strip body 32 of the format device with respect to a guided through a conveyor channel of the format device 30 wrapped strand 50th

On the input side of the format device 30, a material strand to be wrapped, for example of filter material or tobacco material, is brought together together with a wrapping material strip (not shown here), wherein the material strip is placed around the round strand to be formed or rounded at the end material strand when conveying the Materialguts and the material material, wherein the wrapping material strip is conveyed through the format device 30 together with the material material by means of a (not shown) format strip.

The cover strip body 32 is formed with a strand forming contour, so that the wrapping material strip is placed around the material material during the conveyance of the material material and the wrapping material strip. Subsequently, the strand to be formed is conveyed through a second upper format unit 34, wherein the upper format unit 34 is designed for a filter rod machine with a cooling bar or with a cooling device, as applied during the promotion of the strand by the format means 30 when enclosing the strand of material hot glue in the overlapping region of the wrapping material strip and then, upon complete closure of the wrapping material strip, a seam region with hot glue interposed therebetween is conveyed through the second top formating unit at the top of the strand such that in the contact region between the seam portion of the wrapping strip of the strand and a contacting cooling rib of the second top formating unit 34 the hot glue is tied off.

After passing through the completely enclosed strand 50, the shape of the strand 50 is detected by means of a sensor 52 prior to its further processing on corresponding further processing machines in order to monitor the diameter of the strand 50 on the basis of the measurement results.

To detect the diameter of the strand while a sensor 52 is provided, which is connected to the control unit 40. The format device 30 further has a stationary lower format body 36 which is formed with a corresponding guide channel for the strand to be formed.

In the production of a tobacco rod on a tobacco rod machine, the second upper format unit 34 is designed as a heating device or with a heating bar in the format device 30, so that after application of cold glue in the seam region of the wrapping material strip to be wrapped, the cold glue is hardened by heating in the seam area in the second upper format unit 34 becomes.

How out Fig. 3 It can also be seen that the input-side cover strip body 32 (as the first upper format unit) and the second upper format unit 34 can be positioned vertically relative to the stationary lower-format body 36. In order to move the cover strip body 32 and the second upper format unit 34 during operation of a stranding machine vertically, corresponding motors 42, 44 are provided and connected to the control unit 40. In this case, the cover strip body 32 is moved vertically by means of the motor 42, while the second upper format unit 34 is moved vertically up and down by means of the motor 44. The motor 44 can also be removed from the control loop, so that the second upper format unit 34 is fixed.

In order to position the cover strip body 32 in a controlled manner, a temperature sensor 48 connected to the control unit 40 is disposed on the upper format unit 34 to detect the temperature of the contact area of the strand and the upper format unit 34. Depending on the detected temperature by the temperature sensor 48 and in dependence of the detected diameter by means of the sensor 52, which are respectively connected to the control unit 40, the drive 42 is driven for the cover strip body 32 to a corresponding intended position or height of the cover strip body 32 with respect to the Adjust or set up conveyor channel. Specifically, in the control, the cover slat body 32 is continuously continuously positioned to the position of the second upper format unit 34 at a desired ratio during production on the slitter machine to produce a slab 50 having a high roundness. The second upper format unit 34 is also controlled and / or firmly positioned as a function of the measurement results over the diameter of the strand 50 with respect to the conveying channel formed in the lower format body 36.

In Fig. 4a is schematically shown in a plan view in the conveying direction of a strand to be wrapped, the inlet region of the first Oberformateinheit with the cover strip body 32. The cover strip body 32 is arranged above the lower format body 36 in its funnel-shaped inlet region for a strand to be wrapped.

In Fig. 4b is a cross section through the first upper format unit according to the in Fig. 4a drawn section line AA shown. How out Fig. 4b it can be seen, the Unterformatkörper 36 has a bottom conveyor channel 37 through which a format strip 38 and a Umhüllungsmaterialstreifen 56 are promoted, being completely wrapped during the promotion of Umhüllungsmaterialstreifen 56 to the (not shown here) material.

How out Fig. 4b Further, the cover strip body 32 with a strand forming contour 33 above the guide channel 37th educated. The strand forming contour 33 is designed in the conveying direction of a strand to be designated such that, in cooperation with the guide channel 37 of the lower format body 36, the format strip 38 is continuously more strongly curved together with the wrapping material strip 56.

The cover strip body 32 is connected by means of a screw 61 with a piston-piece-like connecting body 62, wherein the connecting body 62 is arranged vertically movable in a recess 63 formed on the underside of the lower format body 36 and provided as a receptacle. The connecting body 62 is biased by a spring 64 also schematically arranged in the recess 63, so that the force of the prestressed spring acts downward in the vertical direction.

At the bottom of the connecting body 62 is formed with a bore 65 having an internal thread into which a rotatably mounted adjusting screw 66 is arranged with an external thread. The adjusting screw 66 is connected via corresponding coupling connections with the engine (see. Fig. 3 , Reference numeral 42) for the cover strip 32, so that upon rotation of the adjusting screw 66 of the connecting body 62 is moved together with the upper side disposed cover strip body 32 vertically upwards or downwards. As a result, a continuous adjustment of the cover strip body 32 in height relative to the lower format body 36 or relative to the guide groove 37 is achieved using a motor drive.

All of these features, including the drawings to be taken alone as well as individual features that are disclosed in combination with other features are alone and in combination regarded 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

10 garniture 12 upper format 12.1 cover strip 12.2 Klebkammer 12.3 Heizsteg 14 under format 20 garniture 22 upper format 22.1 cover strip 22.2 cool bar 24 under format 30 garniture 32 Cover strips body 33 Strand shaping contour 34 second upper format unit 36 Under Format body 37 guide channel 38 format tape 40 control unit 42 engine 44 engine 48 temperature sensor 50 strand 52 sensor 56 Wrapping material strip 61 screw 62 connecting body 63 recess 64 feather 65 drilling 66 adjusting F conveying direction K Filter rod machine B Tobacco rod maker

Claims (15)

Forming device (10, 20, 30) of a rod making machine of the tobacco processing industry for producing a wrapped and in cross-section, and in particular continuous, strand (50) of the tobacco processing industry, in particular tobacco rod or filter strand, wherein in a strand conveying section of the format device (10, 20, 30) a conveying channel (37) for the strand to be formed using a lower side forming a lower format Unterformatkörper (36) and provided with a cover strip body (32) upper format (12, 22) is formed, characterized in that one with the Covering body (32) connected motorized adjusting device (66) for the cover strip body (32) and a motor drive (44) for the adjusting device (66) are provided, wherein the adjusting device (66) is connected to the cover strip body (32) and wherein using the adjusting device (66) acting on the cover strip body (32), a positively guided, preferably stepless, adjustment, in particular linear adjustment, of the cover strip body (32) with respect to the lower format body (36), preferably in the vertical direction, is executable. Formatting device (10, 20, 30) according to claim 1, characterized in that the adjusting device (66) for the cover strip body (32) has a vertical guide device for the cover strip body (32). Formatting device (10, 20, 30) according to claim 2, characterized in that the vertical guide means for the cover strip body (32) at least one or more, preferably vertically formed, pin body and one provided for the pin body pen body guide receptacle, which cooperates with the respective pen body, having. Formatting device (10, 20, 30) according to one of claims 1 to 3, characterized in that the adjusting device (66) has an actuatable adjusting body, in particular an actuatable adjusting screw (66), so that the vertical height of the cover strip body (32) at the actuation of the adjusting body (66) is adjustable. Formatting device (10, 20, 30) according to claim 4, characterized in that the adjusting body (66) via a vertically movable connecting body (62) with the cover strip body (32) is connected, wherein in particular the connecting body (62) by means of a clamping device, in particular Spring, is biased. Formatting device (10, 20, 30) according to one of claims 1 to 5, characterized in that a control device (40) for the adjusting device (66) is provided, such that depending on the diameter of the strand produced (50), preferably after Passage of the strand (50) through the format device (10, 20, 30), and / or as a function of temperature, in particular the contact temperature, between the conveyed strand (50) and a downstream, preferably separate, upper format unit 34) in the conveying direction of the strand , which is brought into or brought into contact with the conveyed strand (50), the position of the cover strip body (32) is controllable. Formatting device (10, 20, 30) according to claim 6, characterized in that the control device (40) with a measuring device for measuring the cross section of the strand formed (50) and / or the control device with a temperature sensor unit (48) on the second upper format unit ( 34) is connected. Formatting device (10, 20, 30) according to claim 7, characterized in that the regulating device (40) is connected to the drive (42) for the adjusting device (66) for the cover strip body (32) and / or that the regulating device (40) with an adjusting motor (44) of the second upper format unit (34) is connected. Formatting device (10, 20, 30) according to one of claims 1 to 8, characterized in that the format device (10, 20, 30) comprises a plurality, preferably separate, upper format units, wherein in the conveying direction (F) of the strand (50) one, preferably on the input side, first upper format unit with the Cover strip body (32) is formed and / or a second upper format unit (34) arranged in the conveying direction (F) of the strand (50) after the first upper format unit, as a cooling device or a heater or an adhesive chamber for the strand to be formed (50 ) is trained. Formatting device (10, 20, 30) according to one of claims 1 to 9, characterized in that the format device (10, 20, 30) exclusively has only two upper format units, wherein in particular the format device (10, 20, 30) without a sealing device for a wrapping material strip (56) of the strand (50) to be wrapped, preferably without an adhesive chamber or without adhesive chamber, is formed. Extrusion machine of the tobacco-processing industry, in particular filter extruder or tobacco rod machine, with a format device (10, 20, 30) according to one of claims 1 to 10. Method for operating a stranding machine (K, P) for producing a preferably continuous strand (50) of the tobacco processing industry, in particular a filter strand or tobacco strand, enveloped by a wrapping material strip (56), wherein a strand (50) to be wrapped together with the wrapping material strip (56) in the strand conveying direction (F) by a first strand forming format unit with a first upper format unit of a format device (10, 20, 30), wherein the first upper format unit is formed with a form a strand forming contour (33) having cover strip body (32), and then the forming strand (50) by a second strand-forming format unit with a second upper format unit (34) of the format device (10, 20, 30) is conveyed in a sub-format having a conveyor channel (37), wherein the first upper format unit is positioned at a predetermined distance with respect to the conveyor channel (37), and wherein the second upper format unit (34) is provided with a feed channel (37) is positioned adjustable or adjustable distance, characterized in that the position of the cover strip body (32) by means of an adjusting device (66) for the cover strip body (32) is adjusted, wherein the adjusting device (66) and the cover strip body (32) are interconnected, and wherein the position of the cover strip body (32) by means of a control device in dependence of the diameter of the produced strand (50), preferably after passage of the strand through the format means (10, 20, 30), and / or in dependence of the temperature, in particular the contact temperature, between the conveyed strand (50) and in the conveying direction of the strand (50) downstream, preferably separate, upper format unit (34), which is brought into contact with the conveyed strand or brought, is regulated. A method according to claim 12, characterized in that the position of the cover block body (32) with increasing temperature is between the strand to be formed (50) and the second upper format unit (34) is raised in the vertical direction. A method according to claim 12 or 13, characterized in that the position of the cover strip body (32) is lowered in the vertical direction with decreasing temperature between the strand (50) to be formed and the second upper format unit (34). Method according to one of claims 12 to 14, characterized the format device (10, 20, 30) is designed according to one of claims 1 to 10.

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