DE1410907A1 - Device for the heat treatment of fabrics - Google Patents

Description

Device for the heat treatment of ueweben The invention is based the field of heat treatment of fabrics and concerns a control of furnace for this purpose where a flowing luedium is used for heating or temperature conditioning is used.

It is known to subject 1. a textile fabric in the form of a continuously moving web, in particular a textile fabric with warp threads made of polyamides, polyesters or the like, to an arm stretching treatment. this also includes textile fabrics that are used in rubber products. It may be necessary to eliminate all or at least most of the natural stretchability of the warp threads, which is about 16 percent for polyamides. It is also known that in the case of synthetic threads, excessive stretchability can usually be overcome by. this: stretches threads above room temperature on or between rollers that rotate at different speeds.

A device is already available for treating intestinal tissues of this type been proposed in the web-shaped fabric that is guided over rollers and is under tension, is treated with ailfe gaseous media. The device has a hot medium leading conditioning section to which below Interposition of a partition wall and a further conditioning section carrying a cooler medium connects. The media are discharged from nozzles directed at both sides of the fabric web, provided along both conditioning sections onto the fabric sheet of Ketra ;, en. An adaptation of the heat treatment, in particular the heating of the fabric web, the type of tissue to be treated can only be changed by changing the working speed, i.e. the path speed. The iviedien themselves are under constant maintenance of their temperature under constant conditions the fabric web is discharged. Since the length of the first conditioning section, in is supplied to the hot medium, and also the length of the second conditioning section, in to which a cool medium is supplied, always remain the same, it can be seen that this device is not very adaptable with regard to changing types of tissue and changing working speeds. Appropriate control devices are missing due to glass, which allow an adulation, both the quality of the treatment of the tissue and the also degrades the profitability of the device. In addition, there is a device for a heat treatment of a continuously under tension over a predetermined Path advancing orbit known at which on part of this path the surface the web at a constant, comparatively high temperature and then on another part of the way of a comparatively low one which is also constant Temperature. The slope of the high temperature part of this device is selectable. The heating of the fabric web is carried out by means of radiant heaters, which are provided along the high temperature part of the device. The length of the The high-temperature part can be adjusted to suit the type of tissue to be treated by operating slides or sieves between the radiant heaters and the goods to be conditioned. are appropriate. The adjustment here is on one Setting-limited at the beginning of the heat treatment. An automatic regulation to adapt to changes during the heat treatment, this is missing Contraption. Based on this prior art, the invention is based on the object a device for a heat treatment of a continuously under tension over a to create a predetermined path advancing path with which an optimal conditioning effect can be achieved in that one of the respective path speed of the Good independent uniform heat treatment of the good is achieved. In detail is intended to be a quick, adaptable, precise temperature control of the to be treated Tissue as well as an adaptation of the heat supply to changes in speed of the through good guided by the treatment area can be achieved.

To solve this problem, a device is according to the invention for Heat treatment of moving parts under tension along a predetermined path Web-shaped material, in particular fabric, proposed with the help of gaseous media, consisting of a hot medium leading conditioning section to which below Interposition of a partition wall and a further conditioning section carrying a cooler medium connected and made up of a plurality of connected to the conditioning sections, the media on the material conductive. nozzles, the special feature of the device consists in the two conditioning sections from each other dividing wall in two directions along the conditioning sections under magnification or reducing the ratio of the number of each with hot and with cool Medium acted upon nozzles depending on the speed with which moves the good, movable and adjustable to achieve uniform heating of the same is arranged: According to the invention, an automatic adjustment is made with this device to changes in the working speed of the fabric web that occur during operation achieved. The fabric web is heated via nozzles in a manner known per se through flowing media. which act on the fabric web. The relation between the lengths of the conditioning sections will vary depending on the conditioning intended of the material depending on its type of material, its backward speed about the predetermined path and the applied temperatures of the flowing Media by reducing one path while increasing the other Way or vice versa-adjusted. This device enables one of all external conditions, edie Independent even treatment may arise during conditioning the fabric panel and an additional, extremely simple adjustment of the entire insert on different treatment conditions, without this as with the known Arrangements an excessive amount of work when moving the whole Conditioning system with corresponding loss of time and the purchase to be made Increasing inaccuracies would be required. The device according to the invention enables for example when the web speed of the fabric decreases due to adjustment the partition wall has more nozzles with hotter iviedium and fewer nozzles with cooler medium to act on, and thereby to reach a temperature influence that results in a uniform heat treatment of the goods. The reverse process takes place when the web speed decreases.

According to a preferred embodiment, the device is characterized through inlet openings distributed along the length of the web at a distance, which are connected to a 'are in communication along the inlet openings extending channel, of which Inlet end for aultiarime elffies warm or hot gaseous i-, ediuns is used and by a slide inside the channel, which runs in the longitudinal direction of the channel is movable and is controlled by a control device that operates on one of the speed the track responds to the appropriate size and the slide in-one of the speed the .bahn-dependent position within the channel to adjust the number of open Openings - and thus the heating the track in adaptation to this Speed moves. According to the invention it is proposed that the movable partition in the form of a slide that can be moved in two directions in the one to the conditioning sections parallel banal to the supply line of the hot and the cooler medium. The slide is adjusted and determined depending on the web speed in this way the number of nozzles supplying hot liquid versus the number the cooler medium supplying nozzles.

Further features according to the invention emerge from the following description, in which the invention is explained in more detail using an exemplary embodiment with reference to the drawings. In the drawings, FIG according to the invention; -Fig. 2 'is a plan view of an embodiment of the device for. Figure 3 shows a side view of the part of the device shown in Figure 2 with parts broken away to show a cross section essentially along the line 3–3 of the rig. 2; Fig. 4 is a detailed view of the lionstruktion of the slide for a device according to Yig. 1 in cross section along a horizontal plane; FIG. 5 shows a cross section through the device according to FIG. 4 in a vertical plane; Fig. 6 shows a cross section through the Winkelechienen- Construction to accommodate the in level 6 - 6 after Pig. 5 cut graphed movable Slider Yig, 6 7 one enlarged part not part of the F sharp. 4 to reproduce the connection of the drives chains with the slider; Zig. 7a is an enlarged partial view of part of FIG . Pig's device. 4 in their rendering. Groove . ? 1g. 7-0, however, in the section along a vertical line Level 7 A - 7 A after yig. 7; l .gtg. An enlarged partial cross-section of a part of the P "ig. 4 to reproduce the sealing of the slide; ? ig. 9 shows a cross section through one of the figures 1 am 3 reproduced newspapers in essentials long since the knees 9 - 9 of the Pig. 4; Fig.: lo shows an enlarged partial view of a device 2 in the form of a side view of the arrangement the position switch and the actuation release # rail fier the control movement the Sahiebera according to Figures 1 am 5 and 9 seen from the Yorder or oven side and essentially in 8ohnitt länget university * 1o - 1o of the Pig. 11i Fig. 11 shows a cross section of the device according to Yige 1o in essentially on level 11-11; Fig. 12 is a perspective view of the position axis holder arrangement according to Figures 1o and 11, of the Seen from the rear; rubbed 13 a top view of a furnace # in which the Zuftsu- guide channel construction according to pigures 1 to 3 Is used; Fig. 14 is a side view of the device according to Fig. 13; 71 & e 15 is an end view, partly in section, of FIG " Device according to FIGS. 13 and 14 Pige 16 and 17 partial views of the fork-shaped feeder and Umwäl $ dtisen according to Figures 1 and 3, and 13 am 15; Figure 18 shows a section through the device according to the piguren 13 am 15 in a vertical plane; ? 1 & e 19 an electrical circuit diagram of a syatheme for Operation of the ski used in the device over and out of their control according to the. Speed of the goods in the oven; Fig. 2o a single view of a bridging or liilfsechieverordnung for use in the Device according to gigures 1 to 191 Fig. 21 shows a partial view of a part of the device Yige 2o to play the Eilfeechiebere = Figs. 22 and 23 circuit diagrams to show changes with the arrangement according to Yige 19; pige 24 an enlarged, 'partly drawn in section View of part of the device according to line 18 . 8 chutu wires to reproduce the narrow door "e = inlet end of. furnace # F sharp. 24s is an enlarged partial view of part of FIG Fig. 24; ? lse 25 one of the gig. 24 corresponding view for, Reproduction of the protective wire storage at the exit ' end the furnace; and Pige 26 a view of the Yersohlußpiatte fair the oven. In the drawings are used to designate identical and similar parts 'used the same series of references throughout According to the drawings, a partially drawn in Fig. 1 neter furnace 1.1 for the heat treatment of a continuous nuelioh moving good for example a tooth 12 set up from a polyamide thread or a tire cord made of appropriate material. The web 12 is guided through the furnace 11 by means of suitable devices driven by a motor, although the invention is not egg to the Warm or temperature treatment ton Good stretchable is limited, it should iinen systems are described for the treatment of beiapielaweise Polyamidtädeagewebe 3.n below with reference to which is to be treated under tension @in the heat. The desired amount of disengagement from one draw frame Wal $ ennats 13 to a second set 14 is under control of the draw frame motors.

15 bsw. 16 upheld. To control the speed of the BAW corresponding Fotoren. 15 and 16 Their corresponding torques in such a way that a certain percentage of the elongation of the container 12 results outside the furnace 11 or a predetermined tension is maintained , appropriate control devices are provided for the web 12 according to the desired treatment device. Ptir the setting of the speed at which the web 12 runs through the oven 11 and to regulate the heating bsA. Cooling in accordance with the present invention is found in an electrical switchboard 1? #erwendung containing one shown in Figures 19 and 2o control mechanism which will be described later in detail. The heating, the control of the temperature and the tempering or cooling of the web 12 is assisted by a foraugewiine gaseous sea medium, which the furnace through a Channel 18 is fed from one end, and with the help a likewise preferably yarn-shaped cooling medium achieved, which the furnace through the channel 18 from the other Is carried out at the end. Furthermore, there is a circulation channel 19 provided, which is angeachloseen to a circulating blower. Ornamental channel 18 is at one end with a source for one .geizmittel, for example with a hot air line 21, and at the other end with a coolant source, for example with a cooling or cold air duct 24 connected. The ripped air is powered by an electric Leg device 22, a ganhei: device, one with oil or coal operated ice-cream machine or another @ 'egg device 1 generated, which are arranged within the newspaper or assigned to it and connected to the fan 23 @, through which the rice agent, for example cracked air, passes through Xanal 18 promotes. The cooling air line 24 is connected to a suitable source, for example a cooling air inlet 25 connected, with a fan 26 switched on, which sucks atmospheric air into the system. - For the sake of simplicity, no arrangement is shown, which disregards the humidity from the circulatory system, which durqh the flowing over the continuous path 12 Hot air is absorbed. - However, some of the air is preferably air circle released continuously into the atmosphere. around to remove the sickness. The portion to be deducted depends on the particular equipment and operational conditions. 3o, for example, 1o% air can be used pull off. The invention consequently does not exclude the arrangement of branch channels which are connected to the circulation channel 37 and which are ventilated with an auxiliary fan for drawing off part of the air .

In order to replace the air drawn off by such an auxiliary fan, an inlet is provided in the vicinity or in front of the heating device 22 so that atmospheric air can be continuously introduced into the hot air system. for such an auxiliary fan, no special control is required, as you would for the special equipment loading can interpret Sonder so that it operates continuously and provides the desired proportion of umgewäl $ th air.

In the side wall of the channel 18, several openings 27 are provided in the direction of the furnace 11, to each of which a fork- towered nozzle 28 extending into the furnace housing 11 is connected via a connecting piece 29.

As will be explained in more detail in connection with the other pigures , the nozzles 28 have openings through which the heating medium is directed against the upper and lower surfaces of the web 12. A slide 31 which can be moved in the longitudinal direction of the channel 18 divides the channel 18 into two parts, one of which receives the heating medium from the hot air line 21 and the other the cooling medium from the line 24, so that all nozzles 28 to the left of the slide 31 with heat medium and all dunes 28 a to the right of the slide 31 take up cooling medium, in this case cooling air, ie in the present case air at room temperature. For the rapid ejection of the temperature- regulating medium, namely the warming air and the cold air from the parts of the furnace where this medium is introduced, a second channel 19 is provided, which runs parallel to the channel 18 and in the present case utzittal> ar arranged on the channel 18 dead channel 19 also cries a slide 32 and several openings 34, which are each connected with the help of a transition tube 36 to fork-shaped dunes 35 , which correspond to the dunes 28 and in the same 'travel passages for receiving the Temperierungemedäums and having for its ejection by the channel nineteenth Suitable connections are available for this purpose. For example, a discharge line 37 can connect the hot air end of the tumbling duct 19 to the inlet of the fan 23. Similarly 1reise a discharge line 38 may optionally the $ Uhlluftende of Umwäl kanala $ 19 with the inlet 25 of the Ce # Blaesen 25 connect. If necessary , a suitable kunatoß blower 39 can also be provided: the track 12 runs under tension and stores a large enough potential energy which is suddenly released if the tap 12 breaks or is damaged somewhere. To protect the nozzles 28 and 35 of the furnace 11 and other, non-reproduced in Figure 1 is a Xe parts tswerk or guard 41, which is partially seen in Figure 1 and voraugeweiee is provided above and below the web 12th The Sohut $ wires 41 serve now but only for backup, so that Bind devices provided to prevent overheating of the web 12 or other damage dersel- ben be prevented by the action of heat. The heat supply is regulated by adjusting the slide 31 in the banal 18 with mutual coordination of the number of nozzles 28 supplying rice and the number of nozzles 28 a supplying lubricant.

The amount of mermine absorbed by the web 12 and thus its temperature change with the speed at which the web 12 passes through the oven . The arrangement is therefore made in such a way that the setting of the slide 31 takes place in accordance with the continuous running speed of the thermoset 12 in the furnace . The Schal.ttatel 1? is at a speed expensive handle <see, which is connected to a device that initiates the movement of the slide 31. Bin Sobieberantriebemotor 43 serves both to move the sliders 31 and the bare Sohle- 32. The connections are such that a uniform distance is maintained zwinohen the sliders 31 ubd 32, der.beispielsweiee the distance between successive 'following Düeen 28 and 35 corresponds, so that the amounts withdrawing the temperature control medium from the furnace 11 are subdivided into the same ' wines as the parameters that supply the temperature control medium. Thus , the nozzle 35 , which is located on the left side of the slide 32, sees the air heated up from the dunes 28 to the left of the slide 31 sucked in. Similarly, the seven nozzles located right by the slider 32 35 a cooling air from which has been introduced through the Dünen.28 a on the right side of the Schiebere.

How to nahewatioeh seen from Figure 1, the Sohieberantriebemotor 43mit the sliders 31 and 32 by chains 44 and 45 is connected, which run in a common plane 46 around sprockets 47, sitting on a skins 48 Sohieberantriebemotores the 43rd In this engine, there is a Wehderaotor provided by separate from which the Zugetändermotoren 15 is energized and 16 supplying power supply independent current source. As can be seen from FIG. 1 , a voltage source 49 can be provided, for example , which supplies the turning motor 43 via the control on the control panel 17, while a track electricity source 51 supplies the motors 15 and 16 via another control shown in the drawing is provided on the control panel 17. To simplify the illustration , the electrical connections are ir! gigur 1 omitted.

There may further be provided Hilfachieber 52 and 53 to the pressure release the Erwärmubgs- or cooling medium, trap. the slides 31 and 32 on the one or noweit ren On the other end of the channels 18 and 19 are provided in that the outlet is the gediums excluded by the nozzle channels 27th

The position of the slides 31 and 32 depends on the speed of the web 12 through the furnace 11, so that the heating takes place in accordance with all changes in speed. For this purpose there is a speed sensitive device on the control panel 1? pre seen, which is operated in "Ubereinutimmung at a rate proportional to the voltage Behngeachwindigkeit. Such Geoohwindigkeit the corresponding voltage can be generated by a beiepieleweise Tachonetergenerator 54 or 54't which to the shaft of one of the traction motors 15 or 16 or one of the rollers, $ .g., the roller 50, over which the tape 12 is running, is connected, being provided in the latter case, the tachometer generator at 54 '. the Save 44 and 45 for driving the slide 31 and 32 are connected to a Auslgseuchiene 55 , which worked together with limit switches 56 and 57 , which bring the gate valve drive motor 43 to a standstill , as soon as the gate valves 31 and 32 have reached their end positions in the channels 18 and 19 at the outlet or inlet end of the furnace 11. There is also a position holder group 58 provided with a number of position switches 59 with corresponding release planes 61, which interact with the control rail 55 and the ächi To bring the boar drive motor 43 to a stop as soon as the slides 31 and 32 are adjusted to the position corresponding to the gene speed of the web 12. This device is described in detail in connection with the circuit diagram according to Pig. 19 are explained . A better understanding of the operation of the slide and the mutual adjustment of the slide to the channels can be seen when looking at Piguren 2 and 3. The channels 18 and 19 can be of any construction comprise, consist, for example aua metal sheets, WO with the transition setUoke 29 and 36 for the nozzles 28 and 35 in the SeitenWSandungen of Kantle 2? and 34 are fitted The cannula 18 and 19 have lateral fades on one of them Connections for the Beißlutt line 21 and the Ileißluttum- wIlaleitung 37 and at the other end for the Kaltluttleitund 24 and the discharge line 38. The openings 27 and 34 can be found on the zum OX.en _, _ i. 1 facing side of the ca # nöle. The $ ohieber 31 and 32 are provided with suitable friction-free as possible bearings and with adjustments to them in the correct transverse position in the channels u th HAL. As 18 and 19 $, for example, from Pig. 4 recognizes, the slide 32 is provided with curved claw sheets and Winkeleiaenvereteifungen 62, which are connected at one end by screws 63 en the valve plate 32 , as well as with curved parts 64 , which at the lower ends to the horizontal, with the chain 45 au connecting rail 65 are connected . In practice , as can be seen from Figures 2, 3 and 11 , the chains 44 and 45 form a pair of chains connected to similar rails 65 and 66 which rest on the lower edges of the channels and which hold the gate valve plates 31 and 66, respectively. 32 wear. The rails 65 and 66 are on the gate plates 31 and 32 in suitable new, beiepielaweiae about #lanaehen 6? and 68 attached, which for reinforcement on the Sehieberplati 31 b $ w. 32 are screwed on or fastened in another suitable Veiae.

By connecting the ends of the rails 65 and 66 by means of rods 69 which are secured at their ends to the rails 65 and 6G ungeaohweißt or other wines, a carriage for the slide valve 31 and 32 is formed. In order to avoid friction, about the aus.den parts 65, 66 and 69 existing carriage is provided with rollers 71 also, assembled on to the rails 65 and fixed brackets 72 6G advantage Bind. In the channels 18 and 19, angle rails 73 are provided for receiving the rollers 71 , as can be seen from FIG. 6. The welded connection of the rod 69 with the rail 66 is shown in detail in FIG. 7 reproduced. 19'1e one special clearly recognizable from Pigur 7a, is the rail 66 a connecting piece 74 welded on, which part 75 with has less strength. the latter has a recording opening 76 for connecting to the chain 45 medium wine a Xetten Linketiftes 77 on how to get out .Plan 4 recognizes. In addition, suitable means for bleeding one sealing the edges of the gate valve plate 31 and 32 respectively provided within the Banale® 18 or 19. ..How to get out 8 recognized, one can, for example, several flexible ones Seals 78 on the flanged ends 79 of the valve , plate 31 BSW. 32 fasten with Maachtnenaehrauben 81. The seal 78 can be made of worm-resistant material, Uei # For example, there is asbestos . The Sahieberplatten 31 and 32 can be made of thin sheet metal 30, which a. Insulating block 80 including asbestos or the like, which is limited at the ends by metal profiles 87. For the sake of simplicity , the slide drive motor 43 is in Pig. 1 shown as if it were directly connected to the 47 and the dent 48. Selbatveratßadlich may optionally how to aua also Figures 2 and 3 detects a Unteraetzungagetriebe 82 and an intermediate chain be turned 83 with four separate sprockets 47, which sit on a counter while 90 which Sohieberketten welehe_durch the intermediate chain 83 to the drive 44 -and 45 is driven will. A particularly preferred embodiment of the Auslöeeschie-. ne 55 is shown in Figures 10, 11 and 12, The . Auslüseaehiene 55 is primarily provided with rollers 84 which run on the web of a frotilaohiene 85, which also partially surrounds the links of the chains 44 and 45.

The Stellungeechalteranordnung 58 has vorzugawei $ e in. The shape shown in FIGS. 10, 11 and 12 is a Z-profile 88, on which the position switches 59 are mounted at intervals, each of which has an external lever 61 which carries a roller 86. This role acts with the anchor rail 55 ' sueaamen, which deflects the lever 61 , so-o' soon the external rail 55 moves under the entepreohenden positiono holder . The positions aobalter.59 can be commercial switches, such as those used, for example, as limit switches, whereby the limit switches 56 and 57 can also be designed in a similar manner, depending on the shape of the release lever? 1.

The the Stellungeechaltergruppe 58 carrying Z-Protil 88 is at one of the Winkelachienen? 3 is mounted for receiving the slider 31 and 32, so that on the sliders 31 and 32 secured chains 44 and 45 DAFL in alignment lie with the chain ends, which at the Release rails 55 are attached , as can be seen from FIGS. 2 and 11. The chains 44 for moving the slide 31 are arranged somewhat closer to one another than the chains 45 for adjusting the slide 32, so that the two chains 44 and 45 can move in advance in the profile lines 85 on a common horizontal plane 46.

As can be seen from the .Figuren 3 and 15, a double construction is used for the supply duct 18 which carries the roller duct 19 and which forms a uniform construction which rests on the uprights 89.

As manin individualouch Fig.9 recognizes, consists of I3m roller duct19 aua one metal sheet92 or the like, whichin Profile shapeis bent so thatthe top and side walls dungen the tanales arise.lris further of splashing93 the Square braces 73 attached #the aftercurved inside are and elo einkelschiengn door for those carrying the slides Carriages 65 and 66 serve how to get out of Pig. 4 recognizes. ., The wagons are only partially in Pig. 9 nondescript which a Quereahnitt through the construction according to FIG. essential along the level 9 - 9, namely things of an Obar- tlnche of the plate 32, so that part of the side Aehiene 65 and 66 the carriageƒ and those on the rails 65 and 66 resting and connected to the drag plate 32 Plgnachen 67 and 68 too next to Bind. The i® individual in .Fig. 8 reproduced flexible seals 7n extend. look around the edges of gate valve plates 31 and 32, eo da8 they essentially on the surface of the metal sheet 92 hit. The lower wall for Knnnlea '! 9 consists of a sheet of metal 95, which is connected to the vinkelachienen 73 and rests on an insulating plate 96, @ the aelbet in turn a sheet 97 rests, which corresponds to the sheet 95, the the upper ibachlu2ilähe or - Ttnedung of the supply :: hrungaka # nnlae 10 the rich "'andungen formed the canal 18 consist of a bent sheet metal member 98 that the sheet metal 92 corresponds in shape and circumference, but vice versa nuege # forms dead To enclose the insulating plate 96 and to Connection of the plates 95 and 97, are Prottletreiten 99 intended. K'an recognizes that in the lower corners of the fübrungekanaleo "1E3 angle rails 73 similar to 'after rig.-I1, provided bind, both to reinforce the lower cards the innah 'i8 as well as the ra- gens for the feed channel valve 31 and for protection of the plate 98 serve against abrasion by the chain 44. the Winhelveretrebuneen 88 take the Stellungs®ohalter 59 well and can be attached to the uprights 89. Preferably however, they are on separate depending beams 107 attached, the or the like by Versohweißung. with the Veratre # Exercises102 are connected to the stands 69.sur on. take the ganalkonatrugtion are angeeohlongen. A similar the Rotten 44 and 45 and the Aualö®esohiene 55 Low angle brace 103 can be attached to the uprights-89 for . . Recording of the channel 85 attached his. The relation between the furnace 11 and the Zanalkonntruktiox 18 and 19! Results from the Drauteioht according to Pig. 13, the nozzles 28 and 35 . inside the furnace 11 only are indicated by dashed lines, while the transition statues # he 29 and 36 now Zig. 13 can actually recognize. Self- understandable can possibly be a larger number of Nozzles are used alo in leg. 13 shown in the the construction is lifted in the longitudinal direction , to simplify the drawing: n. In addition, in the aahematia-like representation according to? 1g. 1 the nozzle spacing enlarged so that the total number of nozzles does not return be given koxinte. - How to ouch. 14 recognizes, points. of the ovens 11 in advance The walls that have a resistance to it are made of a suitable one heat-resistant insulation material. Are at the stove Access doors 106 preferably provided on the ground. so that one can enter the oven if necessary, with the Sohutsoohienenkonetruktion 41 (Fig. 18) for the construction the operator as soon as he has the Bfen 11 enters. A preferred embodiment of the fork-shaped nozzles 28 and 35 is reproduced in Piguren 15, 16 and 17. The feed nozzle 28 consists of the hollow transition pieces 29, from which is upper and lower! hollow legs 107 resp. 108 extend. In the walls of the legs 107 and 108 are facing each other * openings provided from which the heating or cooling medium against the upper and lower upper curses of, web 12 is directed. possibly can these walls with Spaced Ribs 109 and 111 provide my, eo that two elongated ones narrow openings 112 and 113 above and below the web 12 arise. It can be seen that adUse 28 the lower leg 180 in the horizontal direction and across the feed channel 18 substantially in the same level, while the part of opening 29, to which the leg 107 is connected plumb bob upwards is pressed, whereby the upper leg 107_3m substantially reaches the level of the '"circulation channel 19. During circulation: - can 35 the lower leg 115. rests on one of them part of the opening 36, which is curved at the bottom, so that it The feed channel 18 reaches the height. In this way, the upper and lower legs of the successive alternating feed and circulation düeen fleeing each other, brie one out of tens. 15 and cus the] Figures 1, 14 and 18 recognizes. The? 1g. 18 shows the furnace 11 in detail with its two the stands 116 and the intermediate stands 11? as well as with the openings 118 and 119 for the entry and exit of the Lane 12. The security wires 41 are on the Xonsoles 123 and 124 attached near the exit end wall 122 are mounted. In pig. 19 the furnace construction is only shown schematically. given to the representation of the electrical circuits: u before, - simple * Only the feed channel 18 has to be know, as the circulation channel vent valve 32 over the beds 44 and 45 is mechanically connected to the Sahieber 31 and by which, equal to $ n slide motor 43 is moved. For the sake of simplicity, there is only one additional motor 16 for the 8ugwalse 14 in Big. 19 indicated. The speed of Renewal for engine 15 according to Pig. 1 can be in any Wines, for example by means of control arms, which the- kind are arranged that either a fixed relationship of the Speed to the motor 16 or a fixed train of the Web is present depending on the desired mode of operation. In some cases, separate and independent power supplies are found runge sources 49 and 51 for the Bebieber rotor 43 and the Motor 16 or the motors 15 and 16 use. To the pre Simplification of the representation If the motor 16 is electricity motor reproduced because it is a direct current motor a finer level of wind speed increase can be achieved. In- fol, gedeauen int die , power source 51 is a direct current source. The speed control for the motor 16 is carried out by Control the Peldstromeo. En is a secondary branch ment 27 vorgeaehen% to the power source 51 via a Field rheumatism 128 with a movable tap 129 is a geach oasis, which is mechanically speed control lever 42 is connected. The electric old man for the motor 16 can from the Eingeng®klemmen 51 via the Head 131, the anchor the gotoro 16 to the head 132, a 8alaiehalteapule 133, a pair of normally open con- bars 134! a couple of normally closed contacts 135 back to the ßleiohstrotpg, ualle 51 (watches. The secondary circle for the field winding 127 is transferred from the newspaper 131. the winding 127 and the nheoetaten back to the conductor 132, ao that the Peldwioklung 127 is always aroused when the anchor of the Xotore 16 excites dead A push button contact 136 is used to operate the motor 16 provided which the normally open contacts 134 gberbrUakt. To stop the motor 16 and to switch it off A pushbutton contact 137, which the circle at the normally closed clocks 135 interrupts. before the Strorfiug by the motor 16 upright x - after pressing down the pressure button 136 is left on, open con- bars 138 rorgebeheri mechanically attached to the anchor or Stamp 139 are connected, which is through the relay holder coil 133 is raised when the current is depressed the push-button connector 136 through this coil- .flies * On the stamp 139 there is also a movable con- bar 141 connected to the pair of national consortia contacts 142 rests, when the coil is not energized and 133 a pair of stationary contacts 143 bridged when the track le 133 excites iot and the stamp .139 calibrates in its in a raised state. . t with the same role 146 that the sub-engine A low speed emergency 42 and the Peldrheo®tat tap 129 carries is a mechanical directionerelaiekontaktara_144 connected, with a sliding coupling 145 between the real matisoh reproduced shaft 146 and contact arm 144 is provided so that the contact arm 144 "with the one or other pair of fixed contacts 14? and @ 148 depending on the direction in which the ßesohwindiakeitesteuerarm 42 is moving is surging, can make contact * The slide actuation motor 43 is about a double winding motor, for example a Weohsel etrommotor. he points to simplification of the representation well, the drawings a single anchor and a few rr # lwrrrwwrrr @ er * rvr threw w @ rai ir @ 1 @ r '@ Ard rlrlt @ rwrw @f rwi1 11 R9 on, ao that the direction of rotation of the motor 43 thereby can be controlled that the current through one or other of the two Wiokluage or 152 depending of «the direction of movement of the control handle 32 for the ZugatUndermotor lets flow. To simplify the presentation position shows an in-line engine. Although a double field or double winding change netron = "sobieber drive motor for learning about the Wotorn 43 is written, it goes without saying that the invention the use of standard motors with reverse mounting . Bern does not omit what is needed for the actual installation and operation much easier oind, since a Special high torque is not required. Also other. re motors, such as Repuleiona motors or motors with high Torque can be used. However, normal Drolphan induction motors as .durohaun are more satisfactory for the rapid drive of the slide and the drive chain proven. In the case of the old man shown, they have Vioklungen 151 and 152 have a common Xle = e 153, which as Anchor clamp the Uotora 43 is used. The other anchor terminal in to be recognized at 154. To bring the engine 43 to a stop ECU if desired to sighting position is reached, or when the slider One of the threads of the cables comes in, @ a control relay 155, 156th and 15? with zinc lungs 158, 159 and 160 provided which normal w ee closed contact * 161, 162 etc. Press 163. The ßrenseobaltor 56 and 57 bind how to ouch pig. 19 recognizes, normally open Switch with release levers 61, which would be seen in front of the release lever 55 suClosing of switch contacts 56 or 57 detected as soon as the release rail 55 is one of the sen the slider 31 and 32 corresponding ßrensatstellung are sufficient. The position switch group contains one of the familiar ones . Accuracy of the control corresponding number of viewing tern. For purposes of illustration, six normal if switches 164, 165, 166, 168 and 169 are open hen, which have a common terminal 171 and each one 1Snehebel 61 have the switch in question closes as soon as the release rail 55 passes under it runs as it does in the drawing with the closed ter 167 is reproduced. Switches 164 and 169, inclusive, are preferred mounted in housings, as it is in connection with the switching group 59 is shown in Figures 10 and 11. in series with the position holders'58 are located on the speed holder 173, the normally closed @ are and in their number the number of position switches in the switch assembly 58 correspond. How to get out of the Drawing recognizes, contains the speed holder-- group 173 the Sehalter 174, 175, 176, 177, 178 and 179. The switches 174 up to and including 179 are designed in such a way that that they continue to grow larger winds the train. 12 address. Serve is preferably carried out by a voltage corresponding to the speed generating generator, like weeping the Taohometergene- rator 54, where-the switches 174 bin 179 are in the form of clock voltmeters, each on the next higher Voltage are adjusted * As a result, the included Switch 174 bie.einahließlioh 179 to the voltage. speaking windings 181, 182, 183, 184, 185 bsw, 186, the all in parallel and with the help of a pair of ladders 187 are connected to the Taohometer generator 54. A pair is used to connect to the Weahaelstromquelle 49 from terminals 188 and 189. A forward circuit for the 3ohie- Over-motor 43 leads from the Wecheelntromklemme 189, the Terminal 154 V via the armature motor 43 to terminal 153, through the Vorwärtfeldwioklung 151, a leader 191, nor.- Qalerweiee closed contacts 161 the forward limit hohalterrelain 55 'a conductor 192, the @ oorwartskontakt 147 the Riahtungaeo holder on the shaft the immigrant notorge eo speed control handle e 42, the portable Riahtungekontakt 144, a conductor 193, normally closed * contacts 162, one conductor 194, the more normal. white, open contacts 1439 which, when the motor 16 is running, but are closed, and a ladder'195 aurUok to Terminal 188 of the Waohoeletromquelle 49, - On the other hand, there is an xUoklaufkreie for the slide motor '43 from the terminal 189 to the anchor bar 154, over your no- torankerp the Peld connection 153, the RUaklautfeldwiok- ment 152, a 1969 ladder who is normally closed nen Xontekte 163 des SZUoklaufgrenssohalterrelaie 157, the Head 197 Land I93, the Rüokluufantriebaktakt 148 des Biohtungenobalters.144o mechanically attached to the Giaohwin digkeitaateuerarn 42 is attached, and the head 195 by the above specified age including normal , wise closed contacts 1622r the conductor .194, the con- bars 143 and the conductor 195 back to terminal 188. When the pull stand motor 16 is de-energized and no power flows through the coil 133 so that the movable contact 141 Over the fixed contacts 142 falls "another- rer RUokkreislauf or fault-solver circuits of this is used to reset the .Slider 31 to the left end des = anal 18, where all DUaen were cut off from the rice air are dead so that overheating of the web is avoided, if the motor 16 could come to a standstill. tion circle leads from clonase 189 to anchor cleat 154 but the anchor, the connecting terminal 153r serve the return field winding 152, the Seeiter 196, the closed 1Conm bars 165, the ladder 197 and 199r the no rm alerweine Se- aohloasenen contacts 141 and 142 and the conductor 195: urUok to the glenxe 188. der eeohseletromq "uelle 49. Veenn the coal ber 31 and 32 to the limit of their forward 1ewe4nn, &> e should be dared, then lifts the Aualbseschiene 55 the lever 61 the Vorwdrtbegrenzsahalters 56, the Switch 56 is closed and a circuit from the Y OCH-. relotromklomme i'88 over the conductor 201, through which ge # Aohlosnenen switch .56, a conductor 202e the winding 158 of the relays 155, a conductor 2039, a conductor 204 back to the other eeohseletromklemme 189. at an excitement of the winding 158 open me to you normal- ' cry closed contacts 161, whereby the Vox w ärts- of the motor 43 awiaohen the conductors 191 and 192 is broken and the motor 43 comes to a standstill. Cases on the other hand the slide 31 and 32 to the limit of their Movement should be moved in the opposite direction, the release bar 55 comes under the release lever 61 Rüaklaufgrensochalters 57 au lie so that the switch contacts are closed and a free Uber the 'Wiök- ment 160 the fiUcklaulgrennaahalterrelain 157 entetehte da- through the Xontakte 165 are opened and the RUaklauf- krein the motor 43 is via the winding 152 between the headed 196 and A97 interrupted. A circle is created Via the 1Tioklung 160 from the terminal 188 but ` the conductor 19g, the conductor 205, the then $ eaohloasenen switch 57r the conductor 206, the 7iaklung 16t ?, the conductor 207 and the Conductor 204 to the second Weohreletrom terminal 189. As soon as the word goes, I eat one or the other Moved 8iohtung, it runs under the Ausldcehebel 61 one or more position holders 164 up to and including 169. For example, if the cover rail 55 is forward o: he left 'in the drawing in the in fig. 19 shown Position moved- the position switch 167 is geochlosed- sen. When the speed of the web 12 is so dead that the corresponding voltage switch 177 remains etrQmloe, becomes a circle but the Steylungenahalter relay winding 159 geaohlosoes. Hin noloher geie leads from terminal 188 via the head 195, the head 208, which are normally used loosened contacts 177 of the voltage coil 184, if the au is de-energized, the conductor 209, which is then closed Switch 1679 conductors 211 and 212, winding 159 the positionesobalterrelaia 156 and the conductor 204 back to AC terminal 189. If oo with a zuoa = close ges 3ahhalterpaar in des'. Switch groups 58 and 173 closed een, the relay 156 is energized and opens the normal lerweiee closed Xomtakte 162 u # d interrupts the Circle to Xotor 43 between conductors 193 and 194, so- soon the hourly engine 16 is running and the contacts 142 are open. . The following describes how the slide 31 ' and 32 in accordance with the desired warming the faucet 12 for heat treatment and quenching and so that sing in accordance with the running speed be otellt. As soon as the Uotor by pressing down the Starter button 136 is left on # the handle 42 is moved to the left, so that the i®ldrheostatabgri2 = 129 he di # SYa69a'.ÄtR3Ss`'i6'6d'3 $ am 29biv'eto modurch- ot 2t @ ß @ - @ is-`@@ Blessing the '@.? T ° 197s'.Y On' ED4 "ie the pre * Z-takrnlei ü # ir .stvMotIGrn 4r- jeechinneen and the notor 4Iavt _ine e through the sliders 31 and 32 in dis .VUrtn- @ $. IL *% ° U 'fiib ; @, Q- f YO s`sV, @ v will be n which never progressively more fuae2 7 a at> füxen 1n dielet the To TNHR "n @ zuOf'en 11 to tvergrUeAri s''S'F 29c älune "eüdeeQ93 Ktr @ ü G ü0 a @ £? Mt also ' , # ar-hotneteri # ". ~ r 'eg that the tension rises * aebNle e'Ya seennnli ... `- ,. 'y b e4 one 'T 2irbsi YI1rlin "MateBö t'` . ''@ 5t! 9 eL M # #I Mt "#c! R @ rJhfif @ l% i @ w no epult _186 excited wo, du 2 gh 4 `äd`31` @ Q'r1m , st been and no oti ont & eto w fiter the ussehbei iänT @@ n @@ i61 7 169 runs through = If, however, the objects 1 and 32-your rtetseund the na — the chains 44 and 4 each other 55 continue to run »erhinhe.n never a part 410 of a @ ge # give the ngettdetoton 1tmd one Appropriate speed of the Tnchcaetergeneratnr® 4 removes * Pür diene Geanheindgkelt- nt * n Unatnktvoit # neter or a Spnnnnngeepuie in the grnppe181 bin 186 provided the sueenig bang aufn ts. nm the narea- Us wines named. Contacts Ugnen to Manene 1 @ enn no- with the release rail 55 the corresponding position is is enough, the next process takes place. The tension coils 186 and 165 would have , for example, sufficient tension get to open the switches 179 and 178: u can. As a result, the voltage applied to the next higher set voltage pulse 164 no eo high. Maintain tension th, which could never be operated, and the contacts 177 therefore remain solitary. As soon as the Auelöseeohiene 55 under the release levers 61 . of the position holder 167 comes the voltage switch 177 entaprioht,. The Üohaltex 167 is closed: En is thus via the switches 177 and 167 in it 1Crein closed which has been described above, and'sur Zrreguag des Span- aungeaohulterrelßis 156 as well as the frequentation of contacts 162 and stopping the motor 43 is used. As a result, they remain Slide 31 and 32 in the position in which #aie durob den .Xotor 43 has been moved Bind. The tension sensitivity of the pits 18i. to 186 is on the correct position of the slider matched " a @ r the rioh-` time to melt for progressively higher speeds the track 12: u ersielens. itatolgedirsen. will be the sugefuhrte Heat to adjusted so that the web 12 is sufficiently it would be that-sioh the xiohtige geigetreoknog and ansohlie- Ending Abeohreokung- through the KUUmediur without request mg of damage to the material results. The Ausiästsolen 55 is so lay that aaass is under for so long A release lever 61 in question remains, bin the Motor 43 sun comes to a standstill. Preferably corresponds to this is twice this amount. Preferably, the Auslöseeohiene * 55, however, is of such a length that the next ßteliungesohalter will at least then be disregarded , if the previous one when passing the rail * in the one or the other direction has been released. If you want to increase the speed, the ße # speed control lever 42 moved further to the left. With increasing speed nimat the voltage of the speedometer meter generators 54 to. The tension holder 177 apffhet yourself and the slide as well as the Aualöaesohiene 55 advised on the move again until the position is reached, dir corresponds to the new speed, being again the correct temperature conditioning of the web 12 takes place. 1t111 one on the other hand the speed of the Bah: 12 reduce and move the speed control bebel 42 to the right, then the front contact 147 is ge # opens, contact 148 is closed, the voltage # contact 178 drops out and the motor 43 is calibrated in the opposite direction in motion and shifts at from left open contacts of switch 167 or 177 the slide 31 and 32 in the other direction until the luslösesohiene.55 has come up. This movement lasts by appropriately actuating the gssohalter Tort, bis the release bar 55 has arrived in a position that the food position the Cesobwiadigkeits control lever ent # speaks. Then the @Behieber 31 and 32 come back to Ruhr, but are closer to the: Warmluttende des Iranales 18, eo dW a sufficient reduction in heat supply is guaranteed and thus a restriction of the slower moving web 12 is avoided. "Man da3 the simplified old man. naob 1 "ig. 19 without further is suitable for controlling the timing of the self-timer 31 and 32 in accordance with the speed of the Lane 12 and thus an automatic operation in the direction increasing speed. A full automatic in both directions according to the on hand of? 1g. 19 explanatory The ten principles of automatic operation are possible and shown in flg. 22, which will be discussed in more detail later. construction will be. However, if the motor 16 by suppressing the pressure button 13? or as a result of a mistake in the newspaper 51 stop is now to be brought, then the 1Con- taite 141 and 14.2 the FIelaie 133o, under these conditions the motor 43 continues to run in the correct direction until the slide 31 moves nech.linko as far as possible asked where he turned the 56 limit switch. In- In this position all nozzles are switched off, however the hot air blower 23 due to the presence of the Eilfesobieber 32 is not similar to laitungeü 21 and 31 tlberlaetet, which the movement of the filling air parallel to the channels 18 and 19 when lifting the parallel slide 53 allowed (not recognizable in pig. 19). To simplify the representation in the drawings and the explanation was the speed tax arrangement for the traction engines as Geaohwiudigkeiteeteuerarm 42 a field rheostatic reef 129 reproduced. Over and beyond a direction control for the push motor was explained tert, which consists of a Sahlupfkupplung 1.45 "which the firm 42 connects to a movable contact that starts with .r the direction contacts 14? and 148 works. To is oelbetveratändliohe that the invention is the expression of other different types of speed controls for the access the motor and a mechanical or electrical lock between this control as well as devices that enable the contact te 144, 14? and 148 showing the direction of the valve motor 43 control, not susachieUt. For example, you can use £ o fair the setting of the web speed a rheostat sotor provide "the in one direction or the other to Changed the Peldstro®es of the pull stand motor and is operated simultaneously with the slide motor 43. In this way the pheoetatuomotor runs in such bioh # tusige sat the Geaohwindigxeit the main drive motor takes when the slide motor 43 is such direction around # iilnft; that the number dar frsidluft in . to run the furnace öf taungen sun imat e and vice versa. Van recognized such a lock also sat at a three- phase solenoid drive motor alt @ tiol.sulanschilzsbea vorge- # can be seen. San can use any mechanical or electrical lock # the. Example xeiea can be an electrical lock two Bätse Fron Reliii ainthalten, which are switched so that 8 only one time excitement; can be. If the grant deroaotor overall wind speed control, for example one The button is set so that the deeahwin # digkeit sunimt, then the electric lock energizes both .the forward drive relay of the slide motor as well as the Speed slowdown relay in toner circuit for the train stand socotor. Irish * on the other hand controls like that set that the speed then sbni »te the business relay is excited. - ' . So that the Bohieber quickly and within a certain Distance mm standstill xomene after the gobieber motor become strawless! et, the Gcbisbermotör 43 rrorsugƒ = wines with a ßoleaoidbreaee suagerastet. For example Itan @ used optionally a Otandardhotor becoming which one electrically operated meohsnieohe brake on one of the Abeahlußaanobetterx has. These Burning have a sand setting with which the ] braking effect can be changed. As in gusexcenhang with the Sohieber control group explained, the Auelüateobiene is in charge 55! For the actuation of the AuolOsearme tt for ' the position' - sobalter or ßrenisohaiter a university that comes close to that Twice the Aahalteetreoke of the loud bobiober is: This stopping atreoke is activated by biostositioning the brake the gohi ! e beraotor intended. ' Although a speed tax for the purpose of explanation ersystea has been purchased for the ignition rotors, where a Peldetrometer control is used, closes the invention of the animal turn of speed adventure syetenes in which the tension on the anchor denies Admission motor is changed, use the speed controlled by changing the generator field strength. Such Controls are commonly used except at Einriob with a roller that delivers constant * tension .should, as a notorfeldeohwäohuna to decreasing tension tion leads. In the present? All described Sohieberetuereysten can be used in conjunction with various systems Control of the relationship between input and output gaaga, feeahwiadigkeit dar Bahn use. To the simpler Explanation should be assumed that the drive motor 15 on the entry side at a fixed speed for a given position the speed tax griffee 42 is driven. Then in the case of hasty tax syeten, where there is a constant tension in the running Ssoll get train upright w ith the speed # des, pull-out motor 16 by the fact that a previous correct anchor tension is maintained. This stream will calculated to a value that corresponds to the usual there was a lot of tension, because the notordrehnoaent a punk ' tioa is the armature current. In a system where the sm instead of a control of the Tension will get a control of the stretching the desired percentage elongation of the web 12 thereby managed to have electric tachometers on the shafts both '15 and 16 engines which used a constant predetermined Ratio U Tnie the swiechen: pannunguäusgüngen of the two speedometers. For example, can the voltage output of each speedometer against another Tax value to be offset, the difference being the Tax values corresponding to the mentioned percentage catch the betrayal was only made for the purpose of confinement the slide control simply in connection with the the given system, in which the Taohometergene- rator 54 is connected to the shaft of the Notorn 16 is thus the slide 31 and 32 a correct position for the 0e # the speed with which the ahn 12 set the oven 11 leaves. The operation of this part of the system is independent depending on the Zur the control of the speed controller sneezes between the inlet and outlet ends of the Lane 12 devices used. If instead of the In Zunamzaenhang with Pig. 19 described The slide motor 43 operates in the opposite direction. should open as soon as the train stand rotor speed control% on 42 backwards to the position for reduced Ge # As speed moves, the arrangement follows use pige 22 .. As with the arrangement according to? Ig * 19 are when the engine 43 is to come to a halt as soon as the finished Sohiem position is reached, or as soon as the slide in their End positions in the channels are reached by bind, control relay 155p-156 and 15? with windings 158, 159 and 160 for loading making the norsally auageaohloeaenen Bontakte 161, 162 and 163 respectively. In this arrangement the ` normally closed contacts 162 Aohalterrelais 156 in the circle of the forward winding 151 of the motor 43 instead of the common Ansohluß do the . 8ichtungeschalterarw 144 "aaaeaobalt. Min xue ) L tsliohee 3tstellungosohalterrelaie 213 "is only used for control in the A direction of acquisition. The relay that is used has an actuator winding 214 and a pair of normally, closed Xon Taicte 215g over ladder 216 and 217 in series with the Ruoklautteldwiokluog 152 switched to Bind. The Grenssohol ter 56 and 5? after big. 22 are normally open ter with Ausldaehebein 61, which from the Auelöeeeohiene 55 aua closing the switch contacts. 56 and 57 are issued, if the triggering bar 55 has one of its ßrenietstellungea . the slide reaches the corresponding door position. The Stelluagaachaltergruppe 58 contains several switches * , $ e according to how exactly the desired position should no. According to the drawing, seob @ r .norßalereiee open Sahal- .ter 1649 165, 166.9 1679 168 and 169 with a common Terminal 171 and each with its own Auelöne lever 61 which eohließen the Bohalter: as soon as the floodplain. release bar 55 under the corresponding release lever runs through. This condition is with the closed locks: ter 167 to be recognized. The switches 164 to 169 are in ße ## hnugen montiart, as it is, for example, connexion with the SohaltergruppQ 59 according to Figures 10 väd 11 were purified and reproduced. In series with the position switch group 58 is located a group in front of responding to the ceno speed Switch 173, which in case of the Yig. 22 several double ter 174 to 179 untas $ en, the number of which corresponds to the number of 8tstellungaeohalter in group 58 corresponds. How yourself results from the drawing, every double normally open as well as normally echoed open contacts. After Pig. 19 are the switches 174 to 179 ao constructed that they become larger on xortechreitend Dende speeds of Dahn.12 responsive preferential * wise done by a Tschometergenerator 54 and by having the Schaltor 174 to 179 in Porn by Kon- clock voltmeters, each on a progressive tend to be higher voltage. As a result, hold the switches 174 bin 179 to an unsensitive angle lungs 181 to 186, 'which are all connected in parallel and connected to the Taohonater generator 54 by a pair of conductors are. A forward circle for the slide motor 43 can be of the Teohseletromklarme 189 Zur ilense 154 over the. Anchor des gotors 43 to the connection Klense 1539 the Vos w ärtäteldwIok- Jung 151e the ladder 149, which is normally closed Contacts 161, the Vorwürtsgrenuaahalterrelaie 155, a Head 218e the normally closed Bontakte 162, the Vorwürtnstellungasohaltorrelais 1569 a conductor 192e a contact 147, the non-unwilling arm 144 ,. a Head 1990 the contacts 143e that will be disconnected as soon as the Ueleia 133 is excited, and the conductor 195 also in front of--: permanent Weohselatronkrsinklomme 188 (clocks. Like after Pig. 19 is a return circle for the chlebermo- gate 43 from Kle = e 189 to Ankerkle = e 154e through the Notoranker, the pole connection 153, the Rücklauffeläwick- lung 1429 a conductor 196e normally geachloese- nen contacts 163 the RVaklaufgrennachalterrolaie 157e the Heads 197 and 217, the normally gaach-free con clocks 215 of the return position post-switch relay 213, the line ter 216, the contact 148e the non-stop switch arm 144e the Conductors 199, which are normally paired contacts 143 and take the ladder 195 back to the reoheelstromkle = e 188 see Wenn.der train motor 16 is de-energized and there is no current through the ilpule 139 flows, no that the movable contact 141 over fills the fixed contacts 142, then the 1 ~ alternating current return circuit or fault failure circuit after 21g. 22nd closed. This is used to reset the Oöhiebera 31 in the left position in 1Cana1 18e in the all dunes fron If the poor friend is exhausted, there is overheating the path 12 is avoided if the Uotor 16 to style1 # stood come i'at. Ornamental back-sounding or silence-a-purity leads from terminal 189 to anchor terminal 154, through the Anchor to Anaohluüklemme 153, only RVoklautfeldwioklung 152, via the conductor 196, the unauthorized contacts 163, the ladder 197 and 219, which are normally unified Contacts 141 and 142 and conductor 195 back to the terminal 188 of Wsohselotromquelle 149. Shall the sliders 31 and 32 push the limits of your forward movement, then the release mechanism lifts 55 the lever 61 of the Vorwnrtagrenzechaltera 56, whereby the Switch 56 geaebloeaen and a circle from the 'deehodlotrom # clamp 188 over the conductor 201 to the then geedhlonaenen scarf. ter 56, a conductor 2029 the winding 158 den fi®lais 155, a ladder 2339 a ladder 204 back to the remaining one Veahaeletromiclem.me 189 is geaohlonaen. When the coolant 158 is excited , see it normally open closed contacts 161, whereby the forward circulation of the Motor 43 between conductors 191 and 218 interrupted and the red 43 Eebraoht to a standstill . If other # reraeite the slides 31 and 32 to the limit of their movement movement should be moved in the opposite direction the Auelöeeochfene under the release lever 61 the Rüoklauf- grenseahalterers 57, where the switch contacts are closed and a circle over the niaklung 160 the riioklaut- grentaohalterrelain 137 is created. This is the normal normally geeohlosaane contact 163 lifted and the ßQeklaut- circles interrupted. If the release bar 55 in one direction or the other device is running, it runs under the trigger lever 61 or Several of the Utellungsachalter 164 am also 169 through. Tenn beiapielaaweiae the Auelöeeuehiene you to follow moved forward or left in the position according to FIG the position switch 167 geachloanen. If then the achwindi, gkeit the track 12 is such that the entapreahendr Voltage®uchalter 177 remains de-energized, a circle is over the ätositioneaohalterrelaiswieklung 159 closed. This Xrsis leads from the Kle = e 1 £ i8 over the ladder 't95, the Conductor 22, the terminal 171, the conductor 211, the then Ce closed switch 167, the conductor 209, the no r aalerwei- ee closed contact 221 the voltage double clamps 177, the conductor 2039 the laiter 212, the winding 159, the Ladder 204 back to other Techereletromklemne 189. run thus any associated pairs of switching tern in switch group 58 and 173 closed ® one ooll- relay 156 is energized and opens the normal Reiee unseen contacts 162 and interrupts the Xreio to motor 43 between ladders 218 and 1924 as soon as the Adjuster motor 16 is running and the Xbtrta d cte 142 are open . The slides 31 and 32 are in agreement with the desired heating of the web for the purpose of 'hot strip Jung and Abuahreokung at any running speed as follows: As soon as the Xotor` 16 by Uagg! 2 t er4ruoken the start-up buttoned " 13s ssum @Anlaufea brought does, the Geeohwin- mobility control lever 42 moved to the left in order to rheontatabgriff 129 from the full field position on the "LHng- oan " - end of moving the Rheoataten 105 ao , the calibration of the , Biohtungneehalterarm 144 moved against the contact 147. Ow! these wines will be the VorwUrtakreie Uber die Vorwdrtefeld- rioculation 151 and the motor, 43 as described above, eohloonen and the motor 43 starts up. . . The latter then moves the slide 31 and 32 in the -by the arrow ? indicated preparation on the gana1.18 in the positions in which progressively more rere of the openings 27 has been opened, .um such the supply from home medium to furnace 11 to increase. Equilateral takes with increasing speed the Xotore 16 speed of the Taohometer generator a.54 to,, o that the Tension increased . As soon as the. Voltage one vert above the certain n1 ## nisalen Verteo. The you- drigepensionoapule 186 excited and to open the normal sometimes geaoriloneenen apensioneeopfindliohen IContatte 223 of the tension eöhalterere 1799 as a result . no Circle geaohloaeen, run the Aurlöeeeohiene 55 under the - Luslnaehebel 61 the steeple holder 169 through it However, since the slide 31 and 32 continue to run and also the Auelaae connected to the same chains 44 and 45 # If you continue to run rail 55, you will reach it. one of a particular Speed ctes added # adermotora 16 and one entapre- inclining speed of the Taehometer generator "entapre # marriage position. @Ur this speed there is a Kontaktroltmoter or a voltage coil in the group 181 to 1869 those used to raise the normally closed contacts are not supplying sufficient voltage. If.so- the corresponding position is set with the outlet bar 55 is enough, the next process takes place. Example wines Bollen voltage coils 186 and 185 have sufficient voltage wise to operate them and the normally disregarded to open new contacts of switches 179 and 178. However has the voltage set to the next higher voltage voltage coil 184 did not draw sufficient voltage to to operate the sobalts , and the normally sole- senen contacts 221 the switch 177 therefore remain se- closed. The release bar 55 is located under the lever 61 of the Voltage switch 177 corresponding 3 position aso holder 'f67, the Bohalter 167 closes. In this way se will faber the contacts 221 and the switch 167, the was previously described, a circle for excitation @ dea position lungo holder relay 156 and now the contacts 162 open closed and the notor 43 come to a standstill. As a result- the slide 31 and 32 remain in position # .to which they have been moved by the xotor 43. The voltage sensitivities of coils 181-186 are so adjusted to the correct position of the slider , that the correct warming even with progressively undoing so different speeds of the cock 12 is generated. As a result, the supplied heat co is adjusted that such a reasonable heating of the web 12 takes place that the desired hot stretching and subsequent Abechrek-- by the coolant without overheating and thus nohädi, gung the material guaranteed dead. The Aunlöeeeohiene 55 is ao long that never under - the release lever 61 in question remains until the Motor 43 has come to a standstill. Should the speed are controlled, then the speed is expensive lever 42 moved further to the left. With increasing speed takes the voltage of the speedometer generator 54 and the normally closed tensions aohal- Contacts 221 open me up. The slide and the release eighth * 55 are put into excitement again, am the for the new speed required slide position is enough, again giving exact temperature conditions at track 12 . On the other hand, if you want to the speed of the web 12 and the speed is time control lever 42 moved to the right, then opens The waiting contact 147, the contact 148 is canceled man and the ltotoe 43 stay in the opposite direction in motion, causing the slides 31 and 32 in the other Blohtung can be moved. This movement continues until the Release rail 55 has reached a voltage switch, which at reduced casino speed and thus reduced ter voltage des'Tschometergenerators 54 corresponding to the new position of the ßesoh Speeduteuerhebels 42 excited remain. The slides 31 and 32 then come back to Quiet, but closer to the end of the line 18 where there is a cracking air a corresponding reduction in the poor supply is achieved. and thus damage to the slower moving web 12 is avoided. Flenn eich, for example, in the in? ige 22 reproduced Arrangement of the slider and the AuOIösesobiene 55 at RUok # run moving the rotor 53 in the other direction, moving calibrate the Auelöseaohiene 55 to the right and reach the Position switch 168. 4H ought to be assumed that the The voltage of the Taohometer generator 127 has not fallen so far. len is that winding 185 absorbs the voltage Doppelsotialtern 178 the anrmalerweiae opened contacts 224 are free. As a result, as soon as switch 168 the circle swim see the conductors 225 and 211 closed thereby the RUoklaufetellungsvahalterrelaiewiaklung 214 excited, the normally closed contacts 215 are opened net and the circle but the Rüoklgufwiokiung 152 of the engine 43 is interrupted * The old man to the excitement of the Wioklw ng 214 can, however, the r1S.emente 189, 2G14,? 14! 226r .. Z259 224, '-1680 old 1710 222 and 188 turene The normally closed contacts 215 became in the between the stationary gUoklaufkontakt 148 the 8iiaklauf- aohalterarmee 144 and the leaders 19? lying part of the Connections to the reverse winding 152 are included in order to not to interfere with the operation of the safety contacts 142. run the hotor 1 @ & through geruntexdrtioken the push button 13? or as a result of a malfunction in the newspaper 91 is to be brought to a stop, the contacts 141 and 142 the relay 133 closed. As a result, runs regardless of the position of the Aualöneschiene 55 or the State of the position oathers of group 58 or -the span- unrelated In ddr group 173 or the effect of the 19'iok- .lungs -155, 159 and 214 of the positionerelain in the event of an un- Interruption of the Stroaaufuhr: around rotor 16 of the motor 43 3.n in the opposite direction, the slide 31, o # moved as far to the left as possible, where he finally got the gren: ao holder 56 actuated. When the Grensao holder 56 no flowing, the Wieklu e g-155 is excited and raises the con- bars 161 "whereby the RUaklautir -Jber die voklung 152 the notore 53 is interrupted. In this position, all DUeen are switched off, however is the Ueißluttgebläse 23 because of the presence 811teohiebare 52 * between the tubes 21 and 37 @ but not burdens. This Bilteso slider increases the movement of the Warm air from ducts 18 and 19 through duck @ reacting indoor raise the Hilteßohiebere (in iigurea 19 and 22 xüoht reproduced). The construction of the nilfaachieber 52 and 53 is in one Selnen only fig. " 20 can be found. How to build this figure recognizes, each help slider contains a hard disk 231, which is close to a constant on a Uhwenkwelle 232 £ * is elagtrt, which is mounted in the seam of the edge is and usually a * - ö tfn232 in the common horizontal wall 96 (? 1g. 9) of channels 1ß and 19 . closes. The Sohieberplatte 231 is so large that their edge 234 slightly above the corresponding edge 2'35 of the .Barrier opening 233 extends. Thus the plate rests 221 normalstwreiee on the edge 235 thus formed Bar and close the opening 233. To a premature one An arm 236 can be used to prevent lifting of the plate 221 attached weights 237 to wool 232 be (Fig. 21 ) . The arm-236 can be arranged so that the weights 237 the gravity acting on the plate 231 strength in advance. In this case the can * or the Position of the weight 237 0o can be selected # they a pressure on the plate 231 corresponded to those Exceeds that for the supply of hot air. to the fUbrungadUson required dead The curl, however, is not limited to the arm 236 so that the weights exert the effect of gravity to reinforce the plate 231, and therefore aahliess the Arrangement of the arm 236 and the weights 237 as an opposite # : iahte or at least partially countergoviobte of the plate 231 does not work, it is shown in Figures 20 and 21. ben did. In your own way, a comparatively small one did Pressure required to raise gate 231 and a passage of the air supplied by the fan leads do not result in possible adverse effects Passage around the slide 31, when there is a pressure in the warm air pipe 21 forms. To simplify the representations, the speedometer nerator 54 according to Figures 19 and 22 directly to the` Windings 181 to 186 inclusive represent voltage o b: w. Gesehwindigkeitauchalter 174 to up to 179 Is however eelbetveratßndlioh that the invention is based on this Arrangement is not restricted and that one tachometer readings lais can set in between. If necessary, atopial # the switches 174 to 179 cry lels who are informed by Tƒehoneterrelain or Kontakttuohome- indicators are controlled. As can be seen from Fig. 23 knows is the Taahometer generator, 54 via conductor 187 on a contact tchometer indicator gate 241 attached. For each- of the relays 174 up to and including 179 is according to Pig. 32 a separate tachometer generator. 241 is provided, however If only one of these indicators is shown in Fig. 23, the uo is switched that it actuates the relay 178, which ahen see the drawing in a state in to whom the expression 185 is excited. The contact taohomster indicator 241 includes a pair of solid ones Contacts 243 and 244, which respond to slow and fast conditions reactions, and a flexible link 245 for bar- position the contacts with one or the other permanent Contact 243 or 244 according to the schematic indicated device 246 applied tension, which is switched on via the cheerful 187 and the taehometer motor 54 . For purposes of illustration, this is line relay 178 in this case a Ulederapannunge-Gleichatrom relay that from a low voltage Gleiohetromluelle beiopielaweise a rectifier or rectifier 248 is energized. Of the Rectoformer 248 includes a primary winding 249r on the Weoh®eletromquelle 48 is switched on, and terminals 25Q, which are connected to the sta- tionary contacts 243 bsw. 244 the Taohometer relay 241 lie. The leietungarelaie 178 shows according to the drawings * in raas stationary holding contacts 253 and 234, which with a movable contact 255 cooperate, the Contacts are usually open. With the stationary Contact 224 acts as a second stationary contact 256 and a movable contact 257 together, in which it is normally open contacts. With the moving contact 257, a pair of stationary contacts continues to act bars $ 25 and 259 together which are normally closed The line relay 158 has terminals 261 and 263, via which a gateway 263 is switched solder The terminal 261 is connected to the moving Contact 245 of the speedometer relay 241 is stopped and the xle = e 262 is via the conductors 265 and 266 to the etationdren "langagrn" contact 244 the fachometer relay 241 placed. To put in a holding circle, - did a strobe- grensungswideretand 267: wipe the terminal 261 of the beistungƒrelainwioklung 185 and. the fixed holding contact .- @ 253 switched on, with the fixed holding contact 254 over a conductor 268 to the stationary "quick" contact 243 of the speedometer relay 241 is set. Is the speed of the calibrating web 12 so , great that the tachometer 54 has a sufficient voltage. tert, which rides over those on which the Taahometer indicator 241 set plumb bob because the love of movement swings Link 145 the Taehoneter indicator 241 to the right and comes into contact with stationary contact 243. As a result- of which a Gleiahatromkreio is closed by the ßleiohetron clamps 250 over the heiter 251, the stationary ren contact 253, the movable contact 245 of the Taohome terindikatora 241, the conductor 264, 'the winding 185 den Relay 178, conductor 265 and conductor 252 surUck: u the Gleiahstromrectotomerklemmen 250. This is the Winding 185 energizes the relay 178, so that the moving love contacts 255 and 257 lift. Through contact 255 a holding circle is covered by the slide electrical terminals 250 conductor 251, conductor g68, contacts 254, 255. and 253, the '8altekreisrideretend 267 "the winding. 185 and- dir l siter 265 and 252 back to the Gleichetromauegange- klemurn 250 sealed. These wines cause small ne fluctuations in the speed of the passing Railway-no unnecessary actuation of the relay. However, if the Speed drops noticeably, then the Wegende link 245 to the left " so that the end Contact 244 touched. A short cut is made on these wines . circle over - the winding 185 from the. Terminal 261, about the cheerful 264, the movable contact 245, the stationary one .Contact 244p the conductors 266 and 265 to the remaining one xlome 162 of winding 185 made. The lioklung 185 int then unrecognized from the circle. The voltage drop - iu Naltekreinwideretand 26? prevents overload the DC power source 248. The relay 178 then drops and opens the circuit between the etstion ik ren contacts 253 and 254. -. saun darr & oleie 170 excites, lifting the wegliohen Zou taktoa 257 against the feeteu contacts 224 and 256 a primordial regular circle for the Wiokxung? 14 from the Wecheal- etromquelle 'l88 About dir line a 195p 222, the given # lalle gemohlonaouen Schaltar 16ß, the contacts 256. 224 the formation 214, the ladder 203 and 204 $ nrUok just 'ieah- goletrosklomme 1139 geoohloeeen. The fxägeranordnaug for the SioberheitadrUte 41 is in individual ia deo Figures 24 and 25 reproduced. The - Pushed 41 eiud to a gado, beiepielaweine m -linken Unde resiliently mounted, as can also be called aua rig. 18 recognizes. For the appropriate abatement of the wires 41, bind se- * most diligent rejection or dam plates 271 rorgeeehen, which, how to get from Fäg. 26 recognizes a horizontal slot 272 through which the web 12 runs and transverse Slots or grooves 273 for receiving and keeping spacing. of wires 241. For the resilient support of the Wires 41 * loaded consoles 123 and 124 with openings 275 to take screws 276, which are which 277 are auegerUntet, each of the thread end 278 a screw 276 between a horizontal rocker 279 the ronnole 124 and a nut 281 on the threaded end surrounded by screw 276, the upper end of each lug 276 is provided with a slot 282 that goes down and sloping on the outside, how to get out. 24 a recognizes around a loop 83 in the end of the wire 241, which is Turn the end 284 back of the Drabtee around the standing toilet 285 of the wire 'emerged dead, to record .. So the force of the fader 277 is perpendicular to the length of the. Main parts of the wire 41 and without kinking the wire Can be aurgebracbt are crinkle-shaped pressure links 286 is provided, which compared to the wire 41 is a large Have diameter. It f lad on the entrance wall 221 . the furnace 11 confirmed. For example, they can be called In . individual in Pig. 24 recognizes, distance blöake 281 »gate-organized hea while the pressure limb * 286 can be hollow and be in the shape of a large diameter ear sit, whereby the fastening links entapreobend both apielaweise screws 288 through the wall of the tiedes 286, the Abgtandeblook 287, the ram plate 271 and the Grip furnace wall 121. Consoles 123 and 124 are in same wines at the end of 121, for example by means of I screws 291 fastened by the Abatandebleke 292 and the furnace wall 121 are agitated. If necessary, can the other end of the wires 41 can also be elastically supported den, however, all tension adjustments are made of the wires 41 by adjusting the screws 284 and the other end, in this case the right end the wire 41, did attached to a link 193, which the Olied 286 corresponds and in a suitable manner by screws or the like. is attached by the spacer look 287, the comb plate 271 and the Ausgunguwandung 122. go through how one in detail from Pig. 25 recognizes. To attach the Right end 294 of the wire 41 have the carrier 125 and 126 the shape of asennohraubenf which in the limb 293 loading are fixed and have eyelets 295. You are preferably ' attached to their faucet by welded weld 296. Furthermore is a chain link 297 is provided which is inserted into the eye 295 grips and picks up a bend or loop 298, such as in the wire end 41 by twisting the end 294 around the henden Toll 299 formed dead. As with the left 'end of the Wires 41 has the part of the limb 293 on which the wire 41 rests, a large diameter compared to * diameter xtenser on the Drabtsn to a Durohknickeo or Ber®hä- digan de »Prevent Drabtse au. Sslbetesretdndlibi iet di s-`-tizdunß not on dis in individual dtrg-closed Auatühru »played recorded, aondara can ä dta. laohstun got "any wine abgroYnder't rerdtü. . . .

Claims (1)

Claims I.) Device for the heat treatment of tissues which are under Tension along a given path - in the form of a path we Kt, with the help of gaseous media, consisting from a conditioning section leading to hot yledium, 'to the one with the interposition of an Illbennwand a cooler medium carrying further conditioning cut adjoins and from a plurality of to the Conditioning sections connected to the media the good conductive nozzles, characterized in that the separate the two conditioning sections from each other de wall in two directions along the conditioning section with enlargement or reduction of the ratio of the number of each with hot and with cool medium acted upon nozzles (28) or: (28 A) in Depending on the speed at which the Well ('t2) moved, to achieve even heating the same movable and adjustable 'is arranged. 2.) Device according to claim 1, characterized by inlet openings (27 ') which are distributed along the path of the web (12) and which are in communication with a channel (18) extending along the inlet openings (27), the inlet end of which is for receiving a warm or hot gaseous medium is used, and by a slide (31) within the channel (18), which is movable in the longitudinal direction of the channel (18) and is controlled by a control device which is set to a speed of the web (12) corresponding Size responds and the slide (31) in a position dependent on the speed of the web (12) within the channel (18) to adjust the number of open openings (27) and thus the heating of the web moves to this speed. 3.) Device according to claim 1-2, characterized in that the channel (18) extending along the path of the web to be heated (12) has inlets at both ends for receiving hot or cold gaseous media and the slide (31) within the channel (18) serves to separate the hot from the cold gaseous medium, the hot gaseous medium flowing out of the nozzles (28) connected to the channel (1.8) and located between one end of the same and the slide (31) while the cold gaseous Medium from the connected to the channel (18), between the other end of the channel and the slide (31) lying nozzles (28A) emerges. 4.) Device according to claim '1 - 3, characterized in that that the nozzles (28), (28 A) are fork-shaped and with their fork- Spread over the leg to be heated (12). 9 5.) Device according to. Claims 1-4, characterized in that that above the feed channel (18) a circulation channel (19) arranged eats, the also fork-shaped circulating nozzle sen (35) has, with their legs the to be Spread over the warming sheet (12) and make openings for draw the gaseous medium, 6.) Device according to claim 'I - 5, characterized in that that the feed and circulation nozzles (c8), (28 A) or (35) alternately along the path to be heated (12 :) are arranged and also the circulation channel ('t9) a Slide (32) has "the from the slide (31) in Feed channel ('f8) has a distance that is equal the longitudinal distance between a feed nozzle (28), (28 A) and a circulation nozzle (35). 7.) Device according to claim. 1 - 6, characterized in that that the slides (31), (32) are mounted largely without friction in the respective channel (18), (19). 8.) Device according to claim 1-7, characterized by a pair of parallel rails (73) fastened on and in the vicinity of the edges of the channel (19) and one extending transversely within the channel (19) and in the longitudinal direction of the channel (19 ) movable slide (32) with a slide plate and a carriage (65), (66), (69) with rollers or rollers (71), which run on the parallel rails (73), these rails (73) as channel reinforcements and at the same time serve as running rails for the carriage (65), '(66), (69) and the carriage consists of a pair of spaced parallel longitudinal rails (65), (66) on which the rollers or rollers (71) are rotatably attached are, by a pair of devices (67) securing the ends of the plate of the slide (32) on the rails immediately between their ends and by reinforcements (62) on the slide (32) extending from the ends of the carriage diagonally in the direction of the Slide plate (32-) extend and are attached to this. Device according to Claims 1 - 8, characterized in that the slide plate (32) is rectangular and is attached to the carriage at the lower and lower ends, the Stiffeners (62) from the ends of the frame to the side ten surface of the plate (32) extend, which protrude a pair of parallel, connected by cross bars (69) ne rails (65), (66), flanges (6 7 ) between the ends of the - The rail (65) near its lower edges. solidifies and on the lower surface of the rails (65), (66) friction-reducing devices (72), "('71) are arranged. 1 o. J device according to claim '! - 9, characterized by sec, that the stiffeners (62) made of metal angle members with a straight part and a curved part "-heu, where the straight because at one end at the .latted surface and the curved part in the baue its end is attached to one side of the hunt. 11.) Device according to claim 1 - l u, characterized by connected to the slide (31), (32) outside of the channel (18),) (19) actuatable devices that the movement of the slide (31), (32) in different Allow positions along the channel (18), (11) and at the same time changing the number of that cold gaseous medium and the warm gaseous Allow medium-absorbing nozzles (28), (28 A). 12.) Device according to claim 1-11, characterized by a control device which moves the: slide (31), (32) according to the web speed in the corresponding channels (18), (19) between the channel ends such that their position of The running speed of the web (12) corresponds and the heating of the web (12) can be adjusted to its speed. 13.) Device according to claim 1 - 12, characterized in that the slide on chains Q44), (45) are attached, which are driven by a slide motor (43). 14.) Device according to claim 1-13, characterized by with the chains (44), (45) engaging sprockets (47), wherein in the outside of the channel (18), (19) lying r # .ette part a r -contact shoe (l5) is arranged, which actuates the switch (5y) arranged along the path i'12) of the contact shoe (55) as soon as the chain (46) moves in the longitudinal direction when the drive device (43) is actuated. 15.) Device according to claim 1 - 111-, characterized by a circuit from an electrical energy source to a drive motor (43) for the slide (31), (2) with a group (58) of position switches (5y) and a group of speed-sensitive switches (173) which are connected together in pairs, the motor (43) responding to the joint actuation of a pair of associated switches (173) and the motor (73). runs until the slides (31), (32) are in a position that depends on the web speed and in which the two switches de-energize the motor (43). 16.) Device according to claim 1-15, characterized by a movable contact shoe (55) which was mechanically connected to the motor (43) was moved by it along the position switch (59), and by a group of voltage-sensitive switches as speed-sensitive Switch (173). 17,) Device according to claims 1-16, characterized in that a fan (23), (26) are provided at the ends of the corresponding channels 08), (19) for both the cold and the warm gaseous medium. 18.) Device according to claim 1-17, characterized by pivotably mounted and inevitably pushed into the closed position auxiliary slide (52) ,, (53) in the connecting channels to prevent the flow of the treatment medium from a channel (18), (19) in the other, which automatically open the corresponding connecting channel at a predetermined pressure increase of the treatment medium in the corresponding supply part of the supply channel (18), whereby the treatment medium is directed from one of the inlet parts of the supply channel (18) directly into the corresponding outlet part of the return channel (19) as soon as a pressure increase occurs in the feed channel (18) as a result of the feed openings being closed.