DE102009036279A1 - Method for monitoring covering paper strip of tobacco industry, involves sectionally or punctually monitoring covering paper strips over its entire breadth and/or at predetermined position by ultrasonic monitoring device - Google Patents

Abstract

The method involves sectionally or punctually monitoring covering paper strips (31, 32) over its entire breadth and/or at a predetermined position by an ultrasonic monitoring device (50) during conveyance of the strips into a gluing zone i.e. gluing device (60). The strips are provided with fire-resistant additives and metallic structures. Ultrasonic waves from a transmitter are directed on the strips, and are received by a receiver. Surface weight and/or surface density of the strips are determined by measured values received at the receiver. An independent claim is also included for a machine comprising a reel accommodating device.

Description

The The invention relates to a method for monitoring a with promoted a predetermined conveying speed, unclean wrapping strip of tobacco processing Industry.

Further the invention relates to a machine of the tobacco processing industry, in particular filter attachment machine or stranding machine, with a Bobinenaufnahmeeinrichtung and one with a gluing device for one, one at the reel pickup device arranged Bobine stripped, wrapping strip the Tobacco processing industry.

to Connection of cigarette filters with tobacco sticks is in usually a tipping paper sheet provided, on the one hand the filter wrapped and on the other hand with a protruding Edge at the head connects the tobacco rod with the filter. The joining together the filter with the tobacco rod is usually done by gluing.

From the European patent application EP-A-1 147 716 There is described a device for applying glue to a wrapping paper or wrapping paper strip of a rod-shaped article of the tobacco processing industry.

Furthermore, it is off EP-B-0 418 342 describes a device for detecting sufficient moisture of the gluing of a paper strip, wherein the presence of a gluing on the paper strip to be bonded is detected by means of a capacitive sensor.

Further disclosed WO-A-2005/082179 a method for determining a amount of glue applied to a wrapping strip.

outgoing From this prior art, the object of the invention is to in a simple way the properties of wrapping strips to capture the tobacco processing industry, making it possible should be wrapping paper strip with metallized Imprinting and / or wrapping paper strips with LIP zones In particular, to monitor (Low Ignition Prospensity zones) the equipment required for this as low as possible should be kept.

The object is achieved by a method for monitoring a non-glued wrapping strip of the tobacco-processing industry conveyed at a predetermined conveying speed, which is further developed in that the wrapping strip, via its, in particular total, width and / or at a predetermined position by means of an ultrasonic monitoring device ( 50 ) is monitored over the width in sections or at points by means of an ultrasonic monitoring device.

The Invention is based on the idea that a non-glued wrapping strip or paper strips or the like before its further processing by gluing, cutting and wrapping a rod-shaped Article or gluing, wrapping a tobacco rod and Cutting the tobacco rod, is monitored, for example in the current production of a filter attachment a paper connection point such as As a knurling, gluing or internal splice of the conveyed wrapping strip or the quality or position of a applied to the wrapping strip To monitor or check fire-retardant additive. This is done in a suitable manner before gluing the wrapping paper or before the application of a glue pattern or a glue trace the serving strip.

at a punctual monitoring becomes a predetermined area transverse to the longitudinal direction or to the conveying direction the wrapping strip by means of the ultrasonic monitoring device and thus not across its entire width or in sections about the width or at a preferred position over the Width recorded and monitored.

According to the Invention is provided an ultrasonic monitoring device, for example, with paper strips with applied LIP zones the flame retardant additives, such. Alginates or the like, can not be detected or detected optically. In addition, using the inventive Ultrasonic monitoring device the amount of applied Additives for fire retardance in subsequent Steps of further processed wrapping strip or determined and / or also possibly regulated.

through the ultrasound monitoring device is monitored, that applied to a cigarette paper LIP strip or present are based on the received ultrasonic signals by penetrate the wrapping strip, be determined can determine if the LIP strips are present in sufficient quantity or the position of the strips to an intersection or to a Cigarette section are adhered to. Thus, both the quality the strip as well as the amount of fire-retardant additives on the wrapping strip by means of an ultrasonic sensor, consisting of an ultrasonic transmitter and an ultrasonic receiver, on the cigarette paper before gluing and enclosing z. B. a tobacco rod monitored on a cigarette machine or be checked.

About that In addition, using the ultrasonic monitoring device and using an evaluation device, the basis weight the LIP strip or zones are determined or determined, wherein in particular the ultrasonic monitoring device between a Bobinenabspulvorrichtung and a glue application device is arranged.

Furthermore is provided according to the invention, that means the ultrasound monitoring device the material density monitored for unembellished wrapping strips becomes. A bobbin change becomes one end of a wrapping strip with a beginning of a wound on another bobbin Envelope strips connected, so by means of the ultrasonic monitoring device the junction of the two connected wrapping strips is detected because a density change of the detected two interconnected ends due to a double layer or measured. In addition, by means of the ultrasonic monitoring device be determined whether a paper tear or other defect in the Wrapping strip is present.

Especially it is by means of the proposed ultrasound monitoring device possible, also wrapping paper or strips partially metallic or metallized Imprints or metallic ornaments or the like or complete have a metal layer on the entire surface. Unlike optical monitoring devices it is possible by means of the ultrasonic monitoring device, the wrapping strip or the junction of two wrapping strips to monitor permanently.

By the monitoring or detection of defects in subsidized Wrapping strips make it possible for the committee of ejected cigarettes due to the detected misalignments decrease.

Consequently is according to the other invention Thought that by means of an ultrasonic measurement or from ultrasonic measurements the junctions of two with each other connected wrapping strips are detected or detected. In particular, the method is used in determining a paper double layer partially or completely metallised wrapping papers carried out.

To It is further envisaged that one with a fire retardant additive coated wrapper strip is monitored. By means of fire-retardant additive, which on the wrapping strip is applied or is the weiterglimmen of manufactured Cigarette prevents oxygen from passing through the cigarette flows. Here, the fire retardant additive, z. In the form of polysaccharides such as alginates or starch, already on the wrapping strip, on a bobbin wound up, be upset.

in the Under the invention, it is also conceivable that when removing a Envelope strip of the fire retardant additive on the Wrapping strip is applied only after and subsequently the wrapping strip on the ultrasonic monitoring device is passed. In this case, the wrapping strip occurs between an ultrasonic transmitter and a receiving device, wherein the wrapping strip is transverse to the transport direction is applied with ultrasound. In particular, the ultrasonic transmitter one or more piezoelectric elements to ultrasonic or ultrasonic pulses to create. The receiving device points beyond one or more piezosensitive microphones to pass through the Wrapping strips passing and weakened or attenuated ultrasonic signals. in this connection is on one side of the wrapping strip the ultrasonic transmitter arranged while on the opposite the other side, the piezo-sensitive microphones of the receiving device are arranged.

Furthermore is provided in one embodiment of the method that with a metallic portions, in particular with metallic structures, versehener Envelope strip is monitored. Here are as metallic structures in particular metallized imprints or metallised ornaments on the wrapping strip applied or introduced into this, in particular the metallic Structures at regular intervals be repeated periodically or are.

Of Furthermore, it is advantageous in one embodiment if the wrapping strip is monitored in transmission, so that by an ultrasound transmitter Ultrasonic signals directed to the wrapping strip are emitted, the ultrasonic signals then pass through and be steamed by the serving strip, so that on the other opposite side of the wrapping strip by means of an ultrasonic receiving device arranged there Ultrasonic signals are detected. In particular, while the entire width of the wrapper strip.

In one embodiment, the ultrasound transmitting device has a plurality of piezo elements arranged next to one another, preferably arranged line-like, so that ultrasound pulses are generated which strike the surface of the wrapping strip. Depending on the density or thickness of the wrapping strip, the ul attenuated ultrasound pulses and pass after passing through the wrapping strip on the oppositely arranged piezosensitive microphones of the ultrasonic receiving device, which are also arranged like a line. Based on the received ultrasonic signals, the amplitudes of the signals are determined and determines the amplitude levels in an evaluation device connected thereto. On the basis of the amplitude level of the received ultrasonic signals, a density change in the conveyed envelope strip is determined or detected.

Becomes for example, a fault has been detected in the wrapper strip, so can function units based on the detected defect in the strip be activated on a machine. For example, you can thereby cigarettes with proportions of the defective location of the wrapping strip be ejected. Or when determining a junction of two interconnected wrapper ends a crusher for the wrapping strip is swung off.

By the procedure provided is a direct monitoring procedure available by means of which the presence of fire retardant Zones on the wrapping strip or the presence lack of unprimed jacketed serving strip be detected or recorded.

Especially becomes the continuous or quasi-continuous wrapping strip during his promotion before joining one Gluing zone, preferably gluing device monitored.

For this it is provided that by a transmitter or by a transmitting device Ultrasonic waves directed to the wrapping strip and the ultrasonic waves penetrating the wrapping strip by means of a receiver or an ultrasonic receiver be received.

Especially is by means of the on one, in particular line-like, receiver measured values or ultrasound signals received for ultrasonic waves the basis weight and / or the areal density of the Wrapping strip detected or a defect or defect in the wrapping strip detected and / or ejected.

Further it is advantageous in one embodiment that in dependence received at a receiver for ultrasonic waves Measured values of the order, in particular the order quantity, of fire-retardant Additives is regulated on the wrapping strip. Thus, using a control device or a control loop the application of fire retardant additives to the wrapping strip be precisely positioned and metered according to demand, so that the zones provided with fire retardant additives on the wrapping strip be fully formed or are.

Furthermore is provided in an advantageous development that in dependence received at a receiver for ultrasonic waves Measurements of the positions of the fire-retardant additives provided Areas on the wrapping strip are captured and a cutting device for a, preferably formed, Material strand that is wrapped by wrapping strip or is, preferably synchronized, operated. That's it possible that, depending on the detected, with fire retardant additives provided areas of serving strip a cutting device for on a stranding machine of Tobacco processing industry manufactured material strand, the is wrapped or is covered by serving strip is, so that the produced wrapped material strand, z. B. Tobacco strand or filter strand, is cut such that a Cut between two with fire retardant additives provided Areas on the wrapping strip through the strand of material he follows. Based on the detected areas provided with fire retardant additives the cutting position between the areas is determined or the cutting device, z. B. a knife drum, operated accordingly, so that no cut by an area provided with flame retardant additives he follows.

The Problem is also solved by a machine of tobacco processing industry, in particular filter attachment or Stranding machine, with a Bobinenaufnahmeeinrichtung and a gluing device for one of a arranged on the Bobinenaufnahmeeinrichtung Bobine peeled serving strips of tobacco processing Industry, which is further developed by the fact that in the conveying direction the wrapping strip between the Bobinenaufnahmeeinrichtung and the gluing device a monitoring device for the unglued envelope strip is arranged.

Further Features of the invention will become apparent from the description of the invention Embodiments together with the claims and the accompanying drawings. invention Embodiments may be single features or fulfill a combination of several characteristics.

The invention will be described below without limiting the general inventive idea using exemplary embodiments with reference to the drawings, with respect to all unspecified in the text details of the invention expressly to the drawing referenced. Show it:

1 Tipping paper supply of a filter attachment machine in a schematic view and

2 a schematic cross section through an ultrasonic monitoring device according to the invention.

3 schematically a part of a tobacco rod machine.

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

1 schematically shows in section a tipping paper supply means of a schematically designated filter attachment machine F. For example, under the name MAX a Filteransetzmaschine the patent applicant is known.

The filter attachment machine F has a Bobinenaufnahmeeinrichtung 11 at the multiple bobbins 21 . 22 be included or are. On the bobbins 21 . 22 unprimed paper strips are wound up. From the bobbin 21 becomes a tipping paper strip 31 subtracted and according to the in 1 drawn arrow direction promoted.

In the conveying direction of the tipping paper strip 31 is below the bobbins 21 respectively. 22 a changing device 25 arranged so that after unwinding of the tipping paper strip 31 from the bobbin 21 the end of the tipping paper strip 31 with the beginning of the bobbin 22 wrapped tiling paper strip 32 in the exchange facility 25 be connected by knurling or gluing, for example, and then the tipping paper strip 32 from the bobbin 22 is handled.

To remove the tipping paper strip 31 from the bobbin 21 is a take-off roller pair 41 consisting of a cylindrical roller 34 made of steel and a rubber roller 33 , Provided, wherein in the conveying direction of the tipping paper strip 31 between the bobbin 21 and the Zugwalzenpaar 41 a pulley 29 and subsequently a deflection roller 30 are provided.

Between the pulley 29 and the pulley 30 is schematically an ultrasonic monitoring device 50 plotted in the 2 is shown schematically in cross section. The tipping paper strip 31 is through the ultrasonic monitoring device 50 passed through or conveyed through to the state or properties of the unprimed tipping paper strip 31 to monitor.

In the conveying direction of the tipping paper strip 31 is after the Zugwalzenpaar 41 another Zugwalzenpaar 44 consisting of a cylindrical roller 45 made of steel and a rubber roller 46 arranged. Between the first pair of draw rollers 41 and the second draw roller pair 44 are several pulleys for the tipping paper strip 31 arranged to the tipping paper strip 31 respectively.

Following the (second) pull roller pair 44 becomes the tipping paper strip 31 over further pulleys to a gluing device 60 with a glue applicator 61 promoted, so that on the tipping paper strip 31 a glue trace or a predetermined glue pattern by means of the glue application member 61 is applied. Subsequently, the glued tipping paper strip 31 conveyed to a cutting apparatus consisting of a cutterhead and a cutting drum, so that the tipping paper strip 31 in tipping paper strip sections which are attached to smoking article groups consisting of tobacco rod filter plug tobacco rod pairs in the region of the filter plug.

From the bobbin 21 becomes the unsized pad paper strip 31 to the gluing device 60 with the glue application organ 61 promoted, wherein in this conveying region of the tipping paper strip 31 by means of the ultrasonic monitoring device 50 is monitored or checked.

In 2 is schematically in cross section the ultrasonic monitoring device 50 shown. The ultrasound monitoring device 50 is U-shaped with two legs, so that the unprimed tipping paper strip 31 Non-contact by the U-shaped ultrasonic monitoring device 50 is passed.

On the lower side or the lower leg are the ultrasonic transmitter S, of which, for the sake of better representation, only one Transmitter S is shown. The transmitters S are in a row next to each other arranged like a line or linear. On the opposite Side and the second leg is a linear, line-like Arrangement of ultrasound receivers E, of which also for the sake of clarity only a receiver E is shown.

The Ultrasonic receiver E, for example piezosensitive microphones typically have a width of 2 mm to 5 mm and a distance of about 0.2 mm to 0.6 mm. The arrangement of the ultrasonic receiver E is matched to the ultrasound frequency (s) of the transmitters S.

In particular, they are suitable for monitoring the un-sanded tipping paper strip 31 Frequencies of over 100 kHz, preferably over 400 kHz. In this case, the ultrasound generated by the transmitters S embodied as piezoelectric elements is directed transversely to the transport direction of the tipping paper strip so that the ultrasound generated is the tipping paper strip 31 by echoes. In particular, the ultrasound transmitters S operate in pulse mode, so that the receivers E register the sound pulses or the states of the received sound pressures.

The ultrasound receivers E are furthermore provided with an evaluation device 51 connected, so that the measurement signals of the receiver E are evaluated. Occurs, for example, a density change of the tipping paper strip 31 on, so can by means of the ultrasonic monitoring device used 50 be determined that a defect in the conveyed tipping paper strip 31 through the ultrasonic monitoring device 50 was promoted.

This may for example be the case when the tipping paper strip 31 from the bobbin 21 completely peeled off, with the end of the tipping paper strip 31 with the free end of the bobbin 22 rolled up tipping paper strip 32 is connected. Through the junction of the tipping paper strip 31 with the tipping paper strip 32 a z. B. two-ply junction, for example, by knurling or gluing, when funded by the ultrasonic monitoring device 50 by means of the ultrasonic monitoring device 50 is detected.

In addition, by means of the ultrasonic monitoring device 50 in connection with the evaluation device 51 be detected, whether a paper tear or the like or other defects in the tipping paper strip 31 respectively. 32 available. In addition, the ultrasound monitoring device according to the invention is suitable 50 for the monitoring of tipping paper strips 31 containing metallic or metallized imprints or ornaments or parts.

3 schematically shows a part of a tobacco rod making machine S, the wrapping material web feeding device, in particular paper web feeding device 105 , includes. For example, under the name PROTOS a strand machine of the patent applicant is known.

The wrapping material web feeding device 105 has several pulleys, so that a paper web 110 a schematically drawn format device 115 is supplied. The conveying direction of the paper web 110 in the wrapping material web feeding device 105 is with the reference numeral 111 designated. The unembellished paper web 110 is drawn off by a reel (not shown here) and by the wrapping material web feed device 105 promoted. In particular, on the paper web 110 Fire retardant additives, for example, applied in strip form, so that the paper web 110 LIP stripes (LIP is an acronym for "Low Ignition Prospensity") or LIP zones.

The paper web 110 becomes in the wrapping material sheet feeding device 105 on the input side via a deflection roller 141 to a Zugwalzenpaar 142 promoted, the Zugwalzenpaar 142 from a cylinder roller 143 made of steel and a rubber roller 144 consists. From the draw roller pair 142 becomes the paper web 110 over a (first) dancer roller 145 and via subsequent pulleys 146 . 147 . 148 . 149 . 151 a (second) Zugwalzenpaar 152 conveyed.

To the between the first Zugwalzenpaar 142 and the subsequent second pull roller pair 152 consisting of a cylindrical roller 143 made of steel and a rubber roller 154 , funded section of the paper web 110 to keep it tense is a dancer roller 145 provided on a dancer lever 155 is arranged. The dancer lever 155 is biased, for example, with a spring or the like, so that the conveyed portion of the wrapping material strip or the paper web 110 is kept tense. In addition, in a further embodiment of the dancer lever 155 biased by a motor or servo motor. From the steel roller 153 becomes the paper web 110 on a pulley 156 to a subsequent pulley 160 promoted.

Subsequently, the paper web 110 over other pulleys 164 . 165 . 166 . 167 to a pulley 114 promoted in or before the inlet area of the format device 115 is arranged. To the location of the paper web 110 in the wrapping material web feeding device 105 to keep constant, appropriate paper guides may be provided.

Furthermore, in the conveying direction of the paper web 110 between the first pair of draw rollers 142 and the second draw roller pair 152 at the in 3 illustrated embodiment between the pulley 149 and 151 an ultrasound monitoring device according to the invention 50 arranged through which the paper web 110 is encouraged. In this case, the ultrasound monitoring device 50 , as in 1 and 2 , described in a corresponding manner.

By means of the ultrasonic monitoring device 50 will inhibit the unprimed and with fire provided with the additive paper web 110 supervised. In this case, by means of the ultrasonic monitoring device 50 and one with the ultrasound monitoring device 50 associated evaluation device 120 determines or detects whether the zones with the fire-inhibiting additive completely or with a predetermined quality on the paper web 110 are formed. Furthermore, the location of the zones on the paper web 111 be determined.

Depending on the evaluation result by means of the by the receiver of the ultrasonic monitoring device 50 received measurement signals after transmission of the paper web 110 the presence of the fire retardant additive in the zones is monitored. In addition, the location of the zones can also be determined. It is also possible within the scope of the invention to determine the application rate of the fire-inhibiting additive and the weight per unit area by means of the monitoring method.

According to an embodiment not shown here, it is also possible that a paper web without fire retardant additive is withdrawn from a reel. Subsequently, a fire-inhibiting additive is applied in zones on the conveyed paper web with a corresponding application device. Using the following ultrasound monitoring device 50 and the evaluation device 120 the application quantity of the applied additive or the like is determined so that the application device is regulated as a function of the determined application quantity and / or the basis weight.

In addition, along the conveying path of the paper web 110 in the wrapping material web feeding device 105 a (not shown here) printing device, for. As a printing unit, be arranged to on the paper web 110 apply or apply appropriate imprints. The printing device or the printing unit is preferably on the output side of the wrapping material web feeding device 105 between the pulley 167 and the pulley 114 , ie in the conveying direction of the paper web 110 after the (last) pull roller pair 152 or the deflection roller 160 arranged.

In the inlet area of the format device 115 is one in the direction of the arrow 116 circulating format tape 117 led, which is the paper web 110 through the format device 115 carries with a horizontal conveying direction. To the format device 115 Furthermore, in the inlet area, a material strand, for example of tobacco, is transferred and onto the paper web 110 passing, taking under promotion of the format tape 117 the paper web 110 into the format device 115 is encouraged.

In the format device 115 becomes the paper web 110 placed around the strand of material and on one side by means of a (not shown here) sizing, z. As glue nozzle or the like, glued and further wrapped around the strand of material to be wrapped, so that when leaving the format device 115 an endless wrapped strand of material has been created.

The format tape 117 is designed as a self-contained band or quasi-endless band, wherein the format tape 117 is guided over corresponding pulleys. Here is the format tape 117 from a rotating format tape drive roller 118 driven, to which a drive motor is coupled. In the area of the format belt drive roller 118 is the format tape 117 with a high degree of wrap around the format tape drive roller 118 guided.

In the context of the invention, it is conceivable that the filter rod machine S is also designed as a double-strand machine or multi-strand machine, so that from a wide paper web 110 for example, by a on the steel roller 153 arranged cutting device two or more webs are formed, wherein the side by side conveyed paper webs in the conveying region between the second pair of draw rollers 152 and the pulley 114 be spaced by a corresponding spreading device during its promotion transversely to the conveying direction, so that two or more paper webs are delivered to each one format tape.

All mentioned features, including the drawings alone to be taken as well as individual characteristics, in combination with other characteristics are disclosed, alone and in combination as essential to the invention considered. Embodiments of the invention can be due to individual characteristics or a combination of several characteristics be fulfilled.

LIST OF REFERENCE NUMBERS

11

Bobinenaufnahmevorrichtung

21

reel

22

reel

25

changer

29

idler pulley

30

idler pulley

31

Covering paper strip

32

Covering paper strip

33

squeegee

34

cylinder roller

41

pair of drawing rollers

44

pair of drawing rollers

45

cylinder roller

46

squeegee

50

Ultrasonic monitoring device

51

evaluation

60

gluing device

61

glue application

105

Paper web feeder

110

paper web

111

conveyor

114

idler pulley

115

format device

116

conveying direction

117

format tape

118

Format capstan

120

evaluation

141

idler pulley

142

pair of drawing rollers

143

cylinder roller

144

squeegee

145

dancer roll

146

idler pulley

147

idler pulley

148

idler pulley

149

idler pulley

151

idler pulley

152

pair of drawing rollers

153

cylinder roller

154

squeegee

155

dancer arm

156

idler pulley

160

idler pulley

164

idler pulley

165

idler pulley

166

idler pulley

167

idler pulley

F

filter attachment

S

Tobacco rod maker

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - EP 1147716 A [0004]
• - EP 0418342 B [0005]
• WO 2005/082179 A [0006]

Claims (10)

Method for monitoring a non-glued wrapping strip conveyed at a predetermined conveying speed ( 31 . 32 . 110 ) of the tobacco-processing industry, characterized in that the wrapping strip ( 31 . 32 . 110 ), over its, in particular entire, width and / or at a predetermined position by means of an ultrasonic monitoring device ( 50 ) is monitored over the width partially or punctually. A method according to claim 1, characterized in that a wrapping strip provided with a fire retardant additive ( 31 . 32 . 110 ) is monitored. A method according to claim 1 or 2, characterized in that a with metallic portions, in particular with metallic structures provided Umhüllungsstreifen ( 31 . 32 . 110 ) is monitored. Method according to one of claims 1 to 3, characterized in that the wrapping strip ( 31 . 32 . 110 ) is monitored in transmission. Method according to one of claims 1 to 4, characterized in that the wrapping strip ( 31 . 32 . 110 ) during its promotion before entering a gluing zone, preferably gluing device ( 60 ) is monitored. Method according to one of claims 1 to 5, characterized in that by a transmitter (S) ultrasonic waves on the wrapping strip ( 31 . 32 . 110 ) and which encase the wrapping strip ( 31 . 32 . 110 ) penetrating ultrasonic waves by means of a receiver (E) are received. Method according to one of Claims 1 to 6, characterized in that the weight per unit area and / or the area density of the wrapping strip are determined by means of the measured values received at one, in particular line-like, receiver (E) for ultrasonic waves ( 31 . 32 . 110 ) and / or a defect in the wrapping strip ( 31 . 32 . 110 ) is detected and / or ejected. Method according to one of Claims 1 to 7, characterized in that, depending on the measured values received at a receiver for ultrasonic waves, the application, in particular the application quantity, of fire-retardant additives onto the wrapping strip ( 31 . 32 . 110 ) is regulated. Method according to one of Claims 1 to 8, characterized in that, depending on the measured values received at a receiver for ultrasonic waves, the positions of the areas provided with flame retardant additives on the wrapping strip ( 31 . 32 . 110 ) and a cutter for a strand of material separated from the wrapping strip ( 31 . 32 . 110 ) is wrapped or is, preferably synchronized, operated. Machine of the tobacco processing industry, in particular filter attachment machine (F) or stranding machine (S), with a Bobinenaufnahmeeinrichtung ( 11 ) and a gluing device ( 60 ) for one of a arranged on the Bobinenaufnahmeeinrichtung Bobine ( 21 . 22 ) coated wrapping strips ( 31 . 32 . 110 ) of the tobacco-processing industry, characterized in that in the conveying direction of the wrapping strip ( 31 . 32 . 110 ) between the reel pickup device ( 11 ) and the gluing device ( 60 ) a monitoring device ( 50 ) for the unembossed wrapping strip ( 31 . 32 . 110 ) is arranged.

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