DE2105297C3 - Device for impregnating corrugated cardboard advanced in the direction of the web - Google Patents

Description

F i g. 2 shows a plan view of the impregnation device of FIG. 1,

F i g. 3 shows a cross section through the impregnation device along line 3-3 of FIG. 2,

. ao Fig.4 a second cross section through the im-

The invention relates to a device for the impregnation device along the lines 4-4 of FIG. awarding of hori- F ig. 5 is a section along line 5-5 of FIG

zontally arranged corrugated cardboard with a corrugated Fig. 4,

fusjr-like layer, which with planar laser-like is shown in FIG.

D.vkbahnen are connected, with an impregnation a ₅ zenverstellvorrichtung the F i g. 5,
material on a longitudinal edge of the corrugated cardboard to Fi, τ.7 a detail of a plan view of the

leading feeder; with an impregnation feed device for the impregnation material and liiermaterial on the other longitudinal edge of the corrugated on the suction device, the suction device sucking off the endless cardboard; with devices leading to and from the belts for reasons parallel to the long edges of the corrugated cardboard 30 the better recognizable wedge: have been removed,
henen sealing strips. Fie. 8 is a section along line 8-8 of FIG

Such a device is known from the French. 7th

French patent 1 583 377. In this known Γ i g '. 9 is a section along line 9-9 of FIG

th device, the corrugated cardboard runs in a horizontal Fig. 7,

Direction with relatively high speed 35 Fig. 10 is a section slope of the line 10-10 df through the impregnation device, wherein the on a F i p. 7,

Side of the corrugated cardboard acting suction force a fi g. 11 is a fragmentary plan view of the

considerable suction is applied to the impregnating impregnating portions of the channels of the supply of me fluid into the open corrugated cardboard ducts according to Fig. 7,

to draw. This suction force can partially cut open the side view to form a lateral 40 FIG. 12 Shifting of the corrugated cardboard, i.e. to a lower flow regulator for the impregnation material desired inclinations, even a ball out according to Fig. 11,

or clamping of the same during its further conveyance Fig. 13 in a schematic representation a second

to lead. Embodiment of an impregnation device, where-

The object of the present invention is therefore to provide a device in the feed device for the impregnation material, which is arranged in corrugated cardboard with rial and the suction device so that different corrugated cardboard widths migrate independently of the frame for the guiding devices which move in the longitudinal direction of corrugated cardboard be able,
prevented in the direction of the suction side. 14 shows another embodiment in section

To solve this problem, the invention is based on 50 of the feed device for the impregnation material, Fig. 15 shows a device in a schematic representation, which is assumed to be known at the outset and, according to the invention, is that the direction for admixing the impregnating material is to Outer sides of the cover sheets of the corrugated cardboard are fed by the conveying air to achieve a preselected ratio between the with upper and lower rollers to achieve impregnation material and air, Hene holding arrangements in the form of conveyor belts 55 and

against a yield yielding under the suction effect

wander secured and under the pull of the Va- F i g. 15 shown device,
The entire machine shown in FIG. 1 for

and that the feed and suction devices for the production of corrugated cardboard have a large number of the impregnation material for adaptation to the various cutting devices 2, 4, 6 and different corrugated cardboard dimensions are adjustable and a roller stand 8 is designed to be adjustable for feeding the factory. material to the double cutting voi direction 10, and there is the advantage that an action with the interposition of a preheater on the longitudinal cards of the corrugated cardboard passing through and a glue station 14. In Fig. 1, the simple is not necessary to a lateral Shift 65 chen cutting devices 4, 6 temporarily removed corrugated cardboard. prevent resulting in sizeable switched reserve devices; the simple damage and clogging of the corrugated channels cutting device 2 forms the laminate of paper could lead, and still a perfect roll and a fiber-like layer la, on the one

serpentine curved layer 2 b is attached. Corrugated cardboard on that when applying the below the roller stand 8 supplies the underside forming the vacuum explained in more detail to the corrugated channels, layer Sa; then all of the aforesaid will be urged together by suction in order to clamp the corrugated cardboard 16 between them by means of the double cutter; on 10 for the purpose of a permanent adhesive connection. The corrugated cardboard 16 then passes in sequence with respect to the frame 40 through the heating and cooling sections 18, 20 in the same manner. In order to avoid a cutting device 22 which can be operated laterally, the rubbing of the endless conveyor belts in relation to the plex longitudinal slitting and creasing machine 24, the rolling rolls, the conveyor belts on the cutting device 26 and finally the ejector inner surfaces are uninterrupted , longitudinal straightening device for the cut sections. How teten rib-like projections 56α, 66α provided; as is known to any person skilled in the art, these are inserted in corresponding recesses. 5 shows corrugated board driven synchronously in the rollers. are seen. Although in the described execution

In the spatially rather limited intermediate form projections with a V-shaped cross-section space between the trimming device 22 and which have been described, it is easy to see that the triplex slitting and creasing machine 24 is an impregnation device 30 and other holding devices are arranged in the same way to which can be used in cross- such as ζ. Β Leadership roles
The corrugated channels extending in the direction of the corrugated cardboard as shown in FIG the corrugated cardboard water-strengthening gear 70 and a sprocket chain 72 · which gives properties, fire resistance, mechanical strength, linear speed of the horizontal, odor, insulation or other properties; The length of the lower conveyor belt 66 is approximately as impregnation material, for example bit- »5 equal to or only slightly greater than the linear velocity, paraffin, water glass, synthetic resin, the corrugated cardboard 16 the rollers with precisely wirkon-wax and synthetic resin, liquid, synthetic work- the adjustment means that the axes of the materials, synthetic foam plastics synthetic resin ^ rollers align exactly horizontally and so that the silicones, sodium silicate solutions alkali-meta-Isili- 30 Alhsen the longitudinal axis of the corrugated cardboard 16 sc.ikkate, vinyl resin and the like. Can be used. Stand a feed right. In this way, the curvature of the device 32 for the impregnating material is used for the corrugated cardboard 16 during its canees through. Prevents the impregnation material from being fed in close to an impregnation device How the Fi β f> long edge of the corrugated cardboard; close to the other shows, the longitudinal adjustment of the slide bearing is carried out ff the longitudinal edge of the corrugated cardboard, suction devices 35 are carried out within the slide surface 78 of the slide bearing mitu-N including a wax separator 34 and a screw 80; on the other hand, the Lan vacuum source 36 is provided in order to introduce a vacuum into the corrugated channels lying in the transverse adjustment of the upper roller frame 82, sliding surface 84 for the bearings by means of screws 86 so that the impregnation material works completely through them. The vertical adjustment of every one Endhindurchzuziehen ,, ",. ·· ⁴⁰ ° ^{the bere} n roller by upper screws ™ -

The in the F1 g. 2 to 4, the impregnation advance means 88 shown is checked

direction has a frame 40. which on each side for lateral adjustment in relation to the W- '

End of a pin 42; this extends from cardboard with the end plates 43 of the frame 40

the end plate 43 within an associated, two sliding bodies 90 slidably connected Mn

vertical guide slot into the stationary 45 this is a channel 94 f-- by means of bearing pin 92

vertical columns 44. At its lower end, the impregnating agent feed is connected in a rotatable manner.

the frame 40 through the interaction between the two and a channel 96 for the sow effect both

see foot rollers 46 and fixed fastening channels extending in the longitudinal direction close to _fe .

48 in the form of raceways for the edges of the corrugated cardboard 16 opposite the cams. Both

gesture; the frame 40 is from the drawing. 50 channels are provided with lateral projections 94 a 96 a

The division of labor represented in an increased division of labor is provided by the corresponding Füfeungsschlitzen

Storage or rest position can be shifted d.e to be included; these are in the leading edge

interrupted sting is indicated in Fig.4. as well as in the rear edge of the endo slats 43

The end plates 43 are rigidly contained in the transverse direction of the frame; the side protrusions

lying struts 50 connected to one another. 55 serve together with the slots for support

In bearings by the end plates 43 of the frame- the channels when these SdJfaSSÄffi

mens 40 are worn, two upper rollers are catch pivoting in a horizontal plane

52 54 rotatably mounted; these support you around your assignedSS.SSTS te

longitudinally extending, upper endless channels m with respect to the frame 40 laterally tu ver

sen conveyor belt 56, whose lower run is close to 60 and thus the processing of Wellnaone

the surface of the corrugated cardboard 16 lies. Similarly to ernröSen different width ^ nd uin te

Thus, at each end of the frame are lower whale alignment of the channels wmftfl ** LJSt £ «™

zen 60, 62, 64 rotatably arranged; Unsteering these are at the crossroads «KSi

support the longitudinally extending, see the strand of the lower endless conveyor belt

lower endless conveyor belt 66, the horizontal 6 _S 66 of which extend four hydraulically actuated KnSn 7?

upper strand close to the lower surface of the linder arrangement 96 9Λ mn in · » uli

Corrugated cardboard 16 lies. Upper and lower conveyor belt After the simultaneous execution of α T? ¹ ******:

exhibit such a width in relation to the width of the 7th ns ^ raJn £ Tl ^ f ^^^^ zy

7 8

linder arrangements can cut the distance between 94 c of the channel 94 d for the supply de;

the channels can be enlarged or reduced. Impregnating agent withdrawn as shown in FIG. 9 shows

As the F i g. 7 to 11 show, the channel has a plurality of longitudinally S longitudinally extending sealing strips 224 • to seal the ends of the corrugated channels that extend the supply of impregnation material, as well as that within the channels on, which are provided at the adjacent ends; This is downwards for engagement by means of pegs and recesses 106 with one another on the surface of the corrugated cardboard 16 by means of springs 22 (are bound (FIG. 11). For this purpose pegs are pretensioned; the longitudinal edge of the corrugated cardboard 16 is provided with IGg extending therethrough in longitudinal direction by means of a layer 228 of synthetic synthetic material to support the sections of fabric material.If desired, the bolts and in this way a rigid arrangement for sealing means can also contain parts such as form Channel 94 for the supply of the impregnation, e.g. rubber clips or brushes, on the material """there is a first row of outlets 110 at a distance from the ends of the two channels, around the ends of the corrugated channels (Fig. The impregnation 15 As can be seen when comparing FIGS. 9 and 10, the material with the desired consistency is supplied from the reservoir 32 t, are the sections of the suction channel with which dei tnd although by means of heated lines 112, 114, 116, air sections 94 c, 94 d of the channel 94 for the Imin which flow controllers 120, 122 and 124 are located; Procure the same type of impregnation material supply. Case: Here, the impregnation material is fed to one of the sealing strips, a film made of thin work-edge of the corrugated cardboard. Furthermore, if the material has, it is automatically sucked in sealing engagement for the impregnation material supply a second surface of the corrugated cardboard, whereby the row in the longitudinal direction at a distance from one another requires the need for the attachment of spring-sensitive outlets 130 (Fig . 9); these are omitted, the effect of which is supplied to the springs 226 from the supply source 132 hot air, and they speak.

“Was by means of lines 134, 136, 138, 140, 142, in as At the supply end of the corrugated channels, there will often be a greater concentration of impregnating material for the flow regulators 144, 146, 148, 150, 152! are built in. Finally, the outlets will also provide as at the suction end, namely due to the de; 110 of the sections of the channel for the impregnation increase in the speed of the impregnation material supply hot air is supplied, namely during its forward movement in the direction of lines 156, 158 and 160, in which the suction device; to prevent this from happening, the flow regulators 162, 164 and 166 are located. Similarly to the various flow regulating devices, the suction device channel 96 has a duct 96 for the impregnating material, the hot row of longitudinally spaced air and inlets suitably positioned for suction (Fig. 10); these are set with. Therefore, the hot air at the supply source 36 is connected via lines 174, 176, 178, 35 side for impregnation material on the corrugated board 180, 182 and 184, respectively, in which flow rate is first by means of line 134 and valve 144 186, 188, 190, 192, 194 b2w. 196 lie. The fed; thereupon the impregnation passages 198, 200 extending in the longitudinal direction material is passed into the corrugated channels, namely with · through the two channels to a heating fluid, such as by means of the heated lines 156, 158, 160, wöbe z. B. water vapor, through the sections 40 the flow by means of the flow controllers 162, 164 th and so the impregnating material is regulated in a warm supply 168. To maintain diesel levels with suitable regulation. Optionally, the channels can, however, be controlled one after the other by the most suitable amounts of impregnating agent being heated into the corrugated channels by means of electrical heating devices. introduced; the subsequent action of the hot

As FIG. 8 shows, the section 94 "for 45 ßen air by means of the lines 136, 138, 140, 142, the impregnation material supply has an inlet 116 a, and the control valve 146, 148, 150, 152 acts with the line 116 in the flow direction of the vacuum device in the sense of binding together to the impregnation material, such as. B. that the impregnating agent is drawn through the corrugated channels, hot wax in liquid or atomized form. If, for example, the Gedem outlet 110 increases, namely by means of a 50 speed of the material, the rotatable flow regulator 210, which contains the air supply by suitable control of the transverse measuring slot 212, can be reduced, in order to reduce the amount of impregnation. 11 and 12 show, the flow regulator 210 has to decrease material when it has the corrugated board an actuating handle 124 which traverses radially through. Similarly, it can extend on the Vaeine cover plate 216 to allow an adjustment 55 to be desired on the vacuum side, the first group of. Ströder measuring position of the flow regulator by hand to allow regulation regulators 186, 188, 190 to be kept fully open; In this way it is also possible, in order to achieve the greatest possible suction effect, that the amount of the impregnating material fed through, on the other hand, can be regulated. The impregnation flow regulator 192, 194, 196, partially closed, is then deflected downwards, namely 60 den, in order to achieve a reduced suction effect close to the inflow opening 218, whereupon it hangs with the course of the adjustment of the flow air that is through the tapering flow regulator for the hot air, for the suction and for the channel 220 is fed in order to form an aerosol of impregnants from the special impregnation material, the agent and air, in accordance with the lines for the impregnating material in each individual embodiment. This hot air is used by 65, on the linear velocity by suction from the portion 94 b of the channel of the corrugated cardboard, of whether the corrugated once or withdrawn, as shown in FIG. 8. In a similar double-walled manner, the width of the corrugated cardboard, the way the air is drawn from the air by suction. Dimensions of the ducts, etc. Very important pro

♦ ·!
3935

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Parts of the above-described device are the hydraulically actuated cylinder arrangements 9 & _t 98, a variety of impregnation options, which are 100, 102 to be actuated and the positions and positions are made possible by this, the possibility of the corrugation directions of the channels in relation to the corrugated cardboard the same speed to be controlled with impregnation accuracy.

ren, as they are commercially available manufacturing process 5 FIG. 13 shows another embodiment have, and the ability to impregnate the separator, with the channels so arranged It is important for existing machines to be able to move them independently of the frame of corrugated cardboard to be able to adapt. In addition, the can; the channel for the impregnation material supply if the device described allows such a precise one, it is combined with the heat exchanger Control that no more wax has been applied to the corrugated cardboard in order to deposit a unit 220 in this way is considered to be necessary to achieve the desired; also is the intake duct with the separation Degree of impregnation is required. In the opposite the 222 has been combined. These units kimsatz to known impregnation processes and setting up on rollers are attached to the corrugations Any desired saturation cardboard can now be created using piston-cylinder motors 224 or level of corrugated cardboard. »5 226 to move sideways. Upper and lower end

It is important here that the impregnation-free conveyor belts 228, 230 are fed from the frame materials to the corrugated channels, with a 232 carried to the corrugated cardboard against the side such uniformity that the impregnating material shift during conveyance through the Imrial is pulled through the corrugated channels so that it is held in place by the coating device. By combining one uniform impregnation over the entire o tion of the intake duct with the separator becomes one The surface of the corrugated cardboard is effected without an unimproved suction effect being achieved; at the same time, the economic excess of impregnation material temperature of the wax in the separator more easily must be used. So it is B. be controlled in the case of Im separation from the air, and Impregnation with hot wax is very desirable, although before entering the vacuum pump. In uhthat Ratio of the impregnation material to air »5 Higher ways can be achieved by combining the feed is controlled so that the cost of the device for the impregnation material with the needed wax and that the heat exchangers have a more uniform temperature Outer surfaces of the linings the desired of the wax can be achieved.

Maintain surface properties. In this regard, Fig. 14 shows schematically another embodiment

By means of a suitable control of the form of implementation of the feed device for the Impra impregnation material is a completely impregnated corrugated gauze material in order to seal the ends of the corrugated channels cardboard can be obtained; a curtain made of wax-air aerosol can also be supplied by reducing it the supply of wax to the outer surfaces of the inlet 240 through outlet 24, ' Lining are kept relatively free of wax, so via the flow regulator 244. If the well that they will later be printed or glued 35 cardboard 16 close to the transverse direction: ' can or with printing inks or other factory outlet 246 is caused by the suction fabrics can be coated. Accordingly, medium is drawn into the corrugated channels, and Accordingly, it is necessary to allocate the reliable tax procedures together with that of the Leituni "248" to provide for the inflow of the im- ported hot air. This embodiment has the to regulate impregnation material in the conveying air flow. 40 advantage that the wax-air curtain is uninterrupted

In this case, in order to finally break through the chen can be recycled; he will To retard wax to the outside and the heat is only drawn through passage 246 when the to reduce the corrugated cardboard and thereby the hand corrugated cardboard is available, so that on this to facilitate the handling at the ejection station, in this way an independent shutdown of the machine upper and / or the lower surface of the well 45 is possible.

paperboard at times a coating with water, Fig. 15 shows another embodiment of the

Printing ink or another strike-through feed device for the impregnation material, the obstructive means are applied; that can be especially used in combination of suitable for example by spraying the same in the form of a heat exchanger and feed device a fog, by foaming or the like. Take place. 50 is as shown in FIG. In this execution order on the other hand, an acceptable impregnation of the mold becomes the hot wax of the turbulence-mixing longitudinal edge of the corrugated cardboard close to the suction chamber 260 by means of the heat exchanger 262 of FIG To bring about direction, a sufficient amount must be supplied to the unit 220, namely via the air-free of the impregnation material introduced into the corrugated channels wax spraying devices, including a disperser, around the inside of the corrugated board over the whole 55 sion chamber 264 and a spray nozzle 266. The door width to coat uniformly; At the same time, the temperature mixing chamber 260 is being careless of hot air Increase in the speed of the young jet through lines 268, 270 embossing means or any other material; the latter contain control valves 272 and 274, respectively. consider when this is done the suckers of the wax and hot air are thoroughly through the Corrugated channels approaching. Taking all the turbulence within the turbulence chamber 260 into account Factors this impregnation device was segregated; the mixture is made up by suction wraps. withdrawn from the chamber 260 by means of the outlet 276

As the F i g. 7 shows, the channels are rotatable, namely through that in the corrugated channels of FIG Corrugated cardboard continuously moved therethrough for the purpose of rotation about journal 92 arranged, with an additional control to 85 278 generated vacuum. To mix the air Preventing the shifting of the corrugated cardboard before being able to regulate with the wax is the nozzle is seen. If desired, known axially displaceable by means of known, not illustrated edge sensing devices are provided to run the put devices, namely between

the left position shown and a legal position, which is located close to the inlet mouthpiece of the passage 276. To the wax condensate To be able to pull off, a discharge opening 280 is provided, which is in flow connection with the bottom of the Turbüienz mixing chamber 260 stands. Like the embodiment shown in FIG shows, the turbulence mixing chamber 286 can be coaxial with the spray nozzle 288 with shrouds to be surrounded; these limit chambers 290, 292 to which a hot fluid, such as. B. steam or Air, is supplied to keep the wax-air mixture at the desired elevated temperature. If one of the fluids is hot air, it can be discharged into the chamber by means of mouthpieces, which are as follows are arranged to increase the turbulence effect during mixing.

In order to maintain the adhesiveness and printability of the surface of the cardboard, it may be desirable to use on temporarily at least one of the outward facing surfaces of the corrugated board prior to impregnation to apply a layer of liquid material, such as. B. from water; the application can through Spraying, foaming or the like. Take place.

Finally, the mechanical strength of the corrugated cardboard can be increased by filling the corrugated channels with a mixture of asphalt and wax, a foam that forms a rigid muscle or through certain Resins are reinforced to such an extent that the impregnated corrugated cardboard as inner or outer construction wall can be used.

The device described has the great advantage that it is used for impregnating corrugated cardboard can be used as it is manufactured today on known corrugated cardboard machines; the establishment has the further advantage that it has an impregnation device of short length, which in the Connection to the heating and cooling stations of the corrugated board machine and preferably between the trimming means and the triplex machine can be used in the production line. The described The device has the further advantage that it contains feed devices for the impregnating agent, in order to feed the impregnation material close to a longitudinal edge of the corrugated cardboard, as well as a Suction device close to the other long edge

ao the corrugated cardboard to create a vacuum inside the corrugated ducts 2.11, and in this way the impregnation material to pull through there. Furthermore, the device described has the advantage that it has holding arrangements to prevent the corrugated board advancing at high speed laterally out of the direction, in the direction of the suction device through which in the Corrugated channels the high vacuum is generated.

t lisrzu 2 sheets of drawings

Claims (18)

Patent claims: 1. Device for impregnating horizontally arranged corrugated cardboard, which has been moved forward in the direction of the web, with a corrugated fiber-like layer, which are connected to flat fiber-like cover sheets, with an impregnation material on one longitudinal edge of the corrugated cardboard feeding device, with the impregnation material on the other longitudinal edge of the Corrugated suction device; with sealing strips provided on and parallel to the longitudinal edges of the corrugated cardboard, characterized in that holding arrangements in the form of conveyor belts, provided with upper and lower rollers (52, 60) and acting on the outer sides of the cover sheets (2 a, 8 a) of the corrugated cardboard (16) (56, 66i) are secured against wandering under the suction effect and are designed so that they can be pressed firmly to the corrugated cardboard (16) under the suction effect of the vacuum and that the feed and suction devices (94, 96) for the impregnating material are used Adaptation to the different corrugated cardboard dimensions adjustable and adjustable. 2. Apparatus according to claim 1, characterized in that on the rollers (52, 54; 60, 62) and / or conveyor belts (56, 66) rib-like projections running in the longitudinal direction (56 a, 66 a) are provided on the mutual contact surfaces in corresponding recesses run on the opposite side. 3. Apparatus according to claim 1 or 2, characterized in that for the storage of the conveyor belts (56, 66) a stationary frame (40) consisting of side plates (43) is provided and that the side plates (43) are connected to one another by struts. 4. Apparatus according to claim 1 to 3, characterized in that the frame on both sides of Columns (44) is carried, in which it engages via pins (42), and that the frame from the Working position can be moved into a raised rest position. 5. Apparatus according to claim 1 to 4, characterized in that the width of the conveyor belts (Si, 66) is dimensioned so that the suction effect of the vacuum in the corrugated channels ensures a secure pressing of the two conveyor belts against the corrugated cardboard. 6. Device according to one of claims 1 to 5, characterized in that the angular Adjustment of the rollers (52, 54; 60, 62) to the frame (40) in 5j parallel to the corrugated cardboard Level adjustment mechanisms (sliding bearing 76, sliding surfaces 78, screw 80) are provided. 7. Device according to one of claims 1 to 6, characterized in that at least a conveyor belt (56, 66) is impermeable. 8. Device according to one or more of claims 1 to 7, characterized in that for the horizontal adjustment of the frame (40) foot rollers (46) are provided, which are in curved, run with the columns (44) positively connected raceways. 9. Device according to one or more of claims 1 to 8, characterized in that the feed device for the impregnation material and the suction device for adjustment ar different widths of paper board laterally adjustable are bar and that eir Gleitköq.er (90) with bearing pin (92) vorgese for lateral adjustment hen is. 10. Device according to claims, characterized in that that to carry out a lateral ■ chen movement of the feed device and suction device, guide assemblies (projections 94 a, 96 α) and hydraulically operated cylinder assemblies (96, 98, 100, 102) are provided. 11. Device according to one or more of the dei Claims 1 to 10, characterized in that the feed device and suction device each a longitudinally arranged channel (94, 96) include, with the help of joint elements (sliding body 90, bearing pin 92) around a perpendicular to the corrugated plane extending axis is pivotable. 12. The device according to claim 11, characterized in that the channel (94) assigned to the feed device has outlets (110) which are arranged at a distance from one another in the longitudinal direction and which are in operative connection with one end of the corrugated channels of the corrugated cardboard (16) and via lines ( 112, 114, 116) with adjustable flow regulators (120, 122, 124) are connected to a storage container (32) for the impregnation material. 13. The apparatus according to claim 11 or 12, characterized in that downstream of the first outlets (110) a number of second, longitudinally spaced apart outlets (130) are provided, which mi: a plurality of adjustable for supplying hot air Flow regulators (144 to 152) having lines (134 to 142) are connected. 14. The device according to one or more of claims 1 to 13, characterized in that the channel (96) associated with the suction device has a number of inlets arranged at a distance from one another in the longitudinal direction at the edge of the corrugated edge opposite the other channel (94), which are in operative connection with the corrugated channels opening on this side and are connected to a vacuum source (36) via lines (174 to 184) with adjustable flow regulators (186 to 196). 15. The device according to one or more of claims 1 to 14, characterized in that the channels from individual sections connected to one another via connecting arrangements exist. 16. The device according to claim 15, characterized in that the connecting arrangements consist of pins (108) which engage in correspondingly formed recesses of the next section. 17. Device according to one of claims 1 to 16, characterized in that an arrangement at least one of the channels (94, 96) is provided for heating. 18. Device according to one of claims 1 to 17, characterized in that the feed ^ Import leadership of corrugated _m even in strong side ^ Ug by d! E ^P I ^P _e pre niervorrich _W ng possible .? WdSiiini _h ^has · Further embodiments of the invention are Ce- i ic'is HnHntrh «v - ^Cl i ^{ncm over Ans} P ^rüc he 13 the subject of the subclaims and in these lower according to IS ₁ characterized in that a turbulence ''"Τ H ^ ST ⁶ H ⁽²⁶ r ⁰⁾ ™ ^{h S} ? ™ ^hdü ™ (266) The following is the structure and mode of operation i \ ™ »Sι Γ, ^{in the} P ^ra sn> ermaterials in the hand chamber and arrangements for feeding the figures explained in more detail in the exemplary embodiments of the invention. This shows hot air are provided. _{10 Fig.} I is a flow diagram of an embodiment (). Device according to claim 19, characterized in that the device for impregnating corrugated cardboard, characterized in that the spray nozzle (266) with loading F i g. 1 a fragmentary a cross section through 7.ug is axially adjustable on the outlet. an embodiment of a corrugated board that is associated with the The device shown in Fig. 1 was manufactured which is