DE1635092A1 - Device and method for dyeing and / or finishing a fabric web - Google Patents

Description

Dr. Ing. E. BERKENFELD · Dipl.-I ng. H. BERKEN FELD, patent attorneys, Cologne

Attachment file number

for submission of AUGUST 24th 196? 3ch + name d. Note UNITED PIECE DYE WORKS

Apparatus and method for dyeing and / or finishing a fabric web.

The present invention relates generally to a method and apparatus for dyeing and / or finishing a fabric, and more particularly relates to a method and apparatus for dyeing and / or sizing a fabric web in which the binding of the dye or finishing agent to the fabric is involved elevated temperatures of more than 10O ⁰ C and is carried out at a pressure which is above atmospheric pressure.

The dyeing and / or finishing of fabrics and in particular synthetic fiber fabrics have presented great difficulties. The main difficulty in dyeing or sizing such fabrics has been that in using the known methods and devices take a considerable amount of time was necessary to allow the dyes and / or finishing chemicals to penetrate the fibers of the fabric and to bind to the fabric fibers.

When dyeing synthetic fiber fabrics at a temperature of 100 ^° C. and less, chemical carriers have hitherto usually been used in order to shorten the period of time required for dyeing such fabrics. Such carriers appear to be the dyes

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to be transported from an aqueous dispersion to the Paser and so the equilibrium between the Parb liquor and the Paser in favor of the dye absorption to move the synthetic paser. By using such carriers, which are expensive, the dyeing process accelerated, but the fact remains that even with the use of such carriers, the color process is still very slow and "for example 8-16 Hours per dye set. The use of such carriers had the further disadvantage that the elimination the porter caused further difficulties.

It is known that can be considerably shortened at substantially over 100 ⁰ C lying temperatures of the coloring operation, and then carried out without the use of chemical sources. In this connection, numerous attempts have been made to develop such a high temperature method and an apparatus for carrying out this method. In the most successful of the currently known methods, the fabric is wrapped around a perforated cylinder and then dyed at elevated temperature and pressure by forcing the parabolic fluid through the fabric. In practice, the direction of flow of the colored liquid is changed, ie the liquid in the tank is allowed to flow through the fabric from the inside of the tank to the outside of the fabric and then in the opposite direction of flow. For various reasons, this procedure has only been partially successful. So special care had to be taken to ensure that

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The wrapped fabric has no gaps. Such gaps would become permanent gaps during the dyeing process. Also, the voltage in winding difficult since a resulting solid coiling to overloading of the driving device and vice versa "too loose winding to damage in the weight & ebahn. The fabric also showed slightly uneven shades across the length and width of the fabric, so that there was These shades of color result in part from the filtering action of the various layers of the fabric Partly because of the uneven penetration of the color in and around the fibers caused by the pressure characteristics of the fluid flowing through the layers of the broad fabric, and the iridescence known as "moire" occasionally occurred in this dyeing operation, so that the entire dyed fabric had to be thrown away or dyed again.

The present invention is therefore intended to provide a method and an apparatus with which the dyeing or finishing of a Fabric web can be carried out faster and more appropriately. The invention is intended to provide a method and an apparatus for Specify dyeing and / or finishing of fabric in which the fabric is first treated with a suitable dye or suitable Finishing chemicals is treated under atmospheric conditions while the dye and / or the finishing

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Chemicals are brought into permanent contact with the tissue at higher temperatures and pressures. Which he*- finding should also specify a method and a device, with those of the dye or treatment chemical in an extremely short time and with extremely little effort can be attached to the fibers of the fabric. The invention is also intended to specify a method and any device, in which the tissue to be treated can be spread out, i.e. unfolded completely, dyed or finished. Furthermore, the present invention is intended to provide a better device for binding the dyes or finishing chemicals to the Specify fibers of the fabric by treatment at elevated temperatures and pressures, with extremely little condensation occurs. The device according to the invention should be of relatively simple design and inexpensive to manufacture and work excellently. The device according to the invention is intended to dye or finish the fabric in an extremely short time Carry out time and be economically viable both on a large scale and for smaller amounts of tissue. The device according to the invention is said to require very little maintenance and / or between dyeing or finishing two different ones Sentences require very little cleaning. The method and the device according to the invention are intended to be so designed be that the dyeing or finishing process can be carried out essentially continuously. The formation of wrinkles or buckling should practically be completely avoided and it should be impossible that clouds, shadows or the like appear. With the method and the device according to the invention, large and small sets should be able to be colored,

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without the fixing time being significantly longer for large sets than for small sets. The invention should finally specify a method and apparatus by which synthetic fibers, such as polyester fibers and / or the like, can be dyed effectively in an extremely short time and without the use of expensive carriers.

These and other objects are achieved by a method and an apparatus which are capable of various Fabrics such as stretch fabrics, all cottons, wool, synthetic fibers such as polyester fibers, and / or the like dyeable fibers, to be dyed or finished. In the method according to the invention, one assigns a role to be treated Tissue on a suitable support frame and pulls the tissue from this role; one heats the fabric then by passing it over suitable heating rollers. The preheated fabric is then put into a dye liquor brought. The fabric dyed in this way is then wound around a roller mounted on a movable stand. When the fabric is thus wound on the movable stand, the free end of the dyed fabric is off the take-up roller pulled off and attached to a rewinding roller mounted on the stand. The stand prepared in this way then becomes placed in a pressure chamber or in a pressure vessel to fix the dye on the tissue at elevated temperatures and press. For this purpose, the dyed fabric is exposed to these elevated temperatures and pressures The winding roller is transferred to the unispool roller for fixing effect of color. The fixation is therefore in the direction of rewinding of the fabric from the take-up roll to the take-up roll

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required time in front of you. So in the container no condensation takes place, as a result of which condensation water drops fall on the fabric and spoil it, the pressure vessel is heated by an additional heating device heated in such a way that this condensation cannot occur.

The device according to the invention for carrying out the method comprises a pressure vessel which is designed so that one insert a roller stand easily into the pressure vessel and can lead out of this. To facilitate this introduction and execution of the roll stand in and out of the pressure vessel this has rails on its bottom and corresponding rails are provided outside the container. The devices for carrying out the dyeing of the fabric can expediently outside the container on one side the same be arranged. The devices for dyeing the fabric have several heated rollers around which the tissue to be treated is fed to the preheating. The preheated The fabric is then fed over suitable deflection and guide rollers to an inking chassis, in which the fabric is passed through the paint or other treatment chemicals are passed. From the dye bath or the chemical treatment liquid The 30 treated fabric is applied to the fabric sheet Winding roller, which is mounted on a roller carrier. This roller carrier has wheels on the mentioned Rails run outside and inside the pressure vessel can. Means are provided for driving the take-up roller in order to place the dyed or treated fabric on this take-up roller to wind up. The winding roller is a rewinding roller

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assigned. The arrangement is such that the fabric during the fixation of the take-up roller on the Uinspulwalze is transferred. Therefore, devices are provided for driving the winding roller in order to turn it during the To put the fixing process in rotation. After the dyed fabric is properly placed on the roller support arranged winding roller has been wound up, the roller carrier is brought into the pressure vessel and this is tightly closed. The temperature and pressure are then set to that for the fixation of the dye or the finishing chemicals required height in the tissue according to the invention brought. During the fusing process, the rewinding roller is rotated by a suitable drive in order to move the broad fabric from the winding roller to the rewinding roller to transfer, while the increased temperature and the increased to accelerate and improve the fixing process There is pressure in the pressure vessel. As soon as the fabric has been transferred from the take-up roll to the take-up roll the roll stand removed from the pressure vessel.

'According to the invention you can of course in the Time in which the fabric is treated in the pressure vessel, a second roll stand outside the pressure vessel with a Wrap a length of fabric that is then to be dyed, it is obvious that you can use several Roll stand can be made into a practically continuous process by adding the during the inking of a set previously colored set fixed in the pressure vessel.

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It is a feature of the present invention to provide an improved method and an improved one Device for dyeing and / or finishing a fabric, in which the dyeing, i.e. the guidance of the fabric web through the dye liquor, under atmospheric conditions, while the fabric dyed in this way is then carried out exposed to elevated temperatures and pressures to accelerate and improve the fixation of the dye or treatment chemicals in the tissue.

Another feature of the invention resides in the fact that the paint is applied to the broad fabric under atmospheric conditions and that the fabric is then applied is widely subjected to elevated temperatures and pressures in order to fix the color in the shortest possible time reach.

Another feature of the invention is based on the fact that a fabric can be chemically treated essentially continuously, for example for dyeing or finishing, by performing the two stages of the process on successive webs of fabric side by side.

Further features and advantages of the invention emerge from the following description of two exemplary embodiments, wherein Reference is made to the accompanying drawings in which:

Fig. 1 schematically shows a device according to the invention for

Dyeing or finishing a fabric web,

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Pig. 2 shows a slightly different embodiment of the in Pig. 1 shown device and

3 shows a rail arrangement in a schematic plan view shows, which is provided in connection with the pressure vessel to the roller carrier in to and out of the pressure vessel.

The present invention is concerned with coloring and / or Finishing of a fabric web, for example made from a stretch fabric, from cotton fabric, from wool fabric and / or made of synthetic fiber fabric, such as polyester fiber fabric and / or the like. According to the present invention the dye or sizing solution is first applied to the fabric. The dyeing or sizing chemical then becomes in the fibers of the fabric at elevated temperature and pressure fixed.

To simplify the description, only from spoken of a dyeing process. It goes without saying, however, that the invention can be applied equally to sizing fabric webs can be used if conventional finishing chemicals are used instead of the dye.

It is now on b'ig. 1 referred to. The material to be treated 10 is preferably in the form of a roll 10A on a suitable A-shaped stand 11 which is mounted on a carriage 12 3 a can. The fabric web 10 to be treated is of the HoLLe 1OA -pulled and wide i ti ti-around suitable deflection-

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rolls Λ ~ 5, \ k and then passed around several heated rolls I5. The rollers 15 can be heated with steam, for example. The fabric web 10 is guided around these rollers 15 in order to preheat them to a certain temperature which is favorable for the dyeing or finishing process. The fabric web is then guided around suitable tensioning rollers 16 and over corresponding guide and deflection rollers 17 into a dyeing tub I7A in which a dye liquor or finishing chemicals are contained, depending on whether the fabric web is to be dyed or finished.

In the tub I7A a plurality of rollers 18 are arranged around the the fabric 10 moves around as it passes through the tub 17A. The rollers 18 in the tub I7A are intended to cause the fabric web absorbs the dye liquor contained in the tub better. The fabric web 10 emerging from the tub I7A runs then between two squeeze rollers 19 through. Afterward the fabric web runs around a deflection roller 20 to a winding roller 21, which is expediently mounted on a roller carrier 22 is. During this part of the treatment process, the roller carrier 22 is outside the pressure vessel 2 ^, see above that the part of the device described so far operates under atmospheric conditions. While the web of fabric from the Supply roll 10A unwound, preheated on the heating rollers 15 and soaked with paint when passing through the container 17Λ it is therefore the atmospheric temperature and the atmospheric Exposed to pressure.

The roller carrier 22, on whose Aufapulwalze 21 the colored Fabric is wound up, is preferably with wheels 24 var-

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see that run on suitable rail 25. These rails 25 can be aligned with rails 26 that are arranged on the bottom of the pressure vessel 25. Man can the rails 25 on which the roller carrier 22 rolls, in turn fasten on a carriage 27 which runs on rails 28, 29 arranged outside of the pressure vessel 23. The rails 28 can be arranged in such a way that the carriage 27 and the roller carrier 22 standing on this carriage can be moved transversely to the pressure vessel 23.

The devices for treating the fabric web outside of the pressure vessel 23 can be arranged in relation to the rails 2δ in this way be that the winding roller 21 of the roller carrier 22 can be wound, while a previously wound roller carrier 22 is located in the pressure vessel to apply the paint and / or the finishing chemicals in the manner to be described to fix in the tissue.

According to FIG. 1, the coming from the paint container I7A is Tissue wound onto the winding roller 21 of the roller carrier 22. To facilitate the winding of the fabric 10 a drive is provided on the take-up roller 21. This drive for winding the Gew ±> e web 10 on the winding roller we yes: two arms 350 (only one of which is shown) on, which are pivotably mounted on a suitable strut 31 attached to the roller carrier 22. Between the free ends of the A drive roller 32 is mounted on pivot arms 30. A leadership or 'Jpreizwalze 33 is rotatable in the middle part of the swivel arms 30 stored. According to the illustration in Fig. 1, the ge

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So weave broadly under the spreader roller 33 through onto the top of the drive roller 32 and then between the drive roller 32 and the take-up roller 21 is wound onto the take-up roller 21 in the direction of the arrow.

The drive roller 32 is therefore a suitable drive connected, - for example a motor or the like, which the Drive roller 32 rotates clockwise in FIG. 1. The drive roller 32 is rolling against the wound on the winding roller 21 fabric and causes the winding roller

21 rotates counterclockwise to wind up the fabric web 10. The more tissue wound onto the take-up roller 21 becomes, the larger the diameter of this winding roller 21 and the pivot arms supporting the drive roller 32 will be 30 move upwards accordingly. As soon as a certain The length of the fabric web has been passed through the squeegee rollers 19 and wound onto the take-up roller 21 the dyeing process is ended.

The fareie end of the on the winding roller 21 of the roller carrier

22 wound fabric web is then attached to a rewinding roller 35, which is also mounted on the roller carrier 22. Of the Rewinding roller 35 is also assigned a drive in order to rewind the fabric web from winding roller 21 to rewinding roller 35. It should be noted that the fabric web is rewound broadly from the winding roller 21 to the rewinding roller 35. The drive for the rewinding roller 35 is designed similarly to the drive for winding the dyed fabric web onto the winding roller 21, The drive for rotating the rewinding roller .35 has two spaced apart

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mutually arranged arms 36 which are pivotably mounted on a strut 37 and which carry a drive roller 38 between them. In the middle part of the arms J> 6 , a guide or spreading roller 39 is rotatably mounted between them. As shown in dash-dotted lines in Fig. 1, the fabric web 10 is wound under the spreader or guide roller 39 and over the drive roller 38 and between the drive roller 38 and the rewinding roller 35 onto the rewinding roller 35 when the drive roller 38 is driven. As a result of the rotation of the drive roller 38, the rewinding roller 35 is rotated in the counterclockwise direction in order to rewind the fabric web from the winding roller 21 onto the rewinding roller 35. The drive rollers 32 and 38 are mounted on their pivot arms JO and 36 in such a way that they follow accordingly when the diameter of the Aufspulbzw. Rewinding roller 21 or 35 increases or decreases with increasing or decreasing winding of the fabric web 10.

When the fabric web has been dyed and wound onto the winding roller 21 of the roller carrier 22 and when the beginning the fabric web has been attached to the rewinding roller 35, the roller carrier 22 is placed as a whole in the pressure vessel 23 brought.

As shown in FIG. 3, there is the pressure vessel essentially a simple, cylindrical container, one joite of which is open and which is large enough to hold the Roll carrier 22 to be included. The pressure vessel 23 has a Closure 23A, with which the pressure vessel 23 is pressure-tight

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can be closed. On the bottom of the pressure vessel 23 are arranged rails 26 with which the rails 5 pounds to the Alignments can be brought on which the roller carrier 22 is on the carriage 27. So if you take the rails 25 on the carriage 27 on which the roller carrier 22 stands, exactly in front of the rails 26 in the pressure vessel, the roller carrier 22 can easily be moved into the pressure vessel 23.

The upper part of the pressure vessel 23 is provided with a cover plate 40 which is arranged at a distance from the top of the container so that between the container wall and the cover plate 40 at this point a gap 41 is created in which a suitable heater 42 is arranged . As will be described further below, the heater 42 serves to heat the cover plate 40, in order to prevent the occurrence of condensation on the cover plate when the temperature is brought in the pressure vessel with steam to about 10O ⁰ C and the corresponding pressure is created in containers . The additional heating device 42 thus ensures that the steam used to heat the container condenses as little as possible in the container. In this way it is achieved that no drops of condensation water fall onto the fabric web during the fixing process. The fixing of the dye or the finishing chemicals in the fabric web takes place when the dyed fabric web is rewound from the winding roller 21 onto the Uniapulwalze 35.

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The speed of winding from the take-up roller 21 to the. Rewinding roller 35 is therefore set so that the dyes are fixed in the fabric. Tests have shown that a fabric web of 4600-5500 m in length fixed on the roller carrier 22 in about 20-30 minutes can be. Therefore, with the method described and with the device described, the storage of the dye Significantly shorten the fixation time required in the fibers of the tissue.

It should be noted that while the described fixing process is being carried out in the pressure vessel 23, a second roller carrier 22 is arranged on the ink vessel I7A and its Winding roller 21 can wind in the manner described above with a dyed fabric while the previously wound Roller carrier 22 for fixing the color in the fabric is located in the pressure vessel.

The embodiment according to FIG. 2 is according to the embodiment Fig. 1 is the same with the exception that the fabric wiö past the paint container I7A. In this embodiment the dye liquor 50 is located in the entry gap of the squeegee rollers 19. The fabric is drawn around the heating rollers 15, where it is preheated to a certain temperature. The fabric then runs over the tension and deflection rollers 16, and by the color solution 50, which in the ßintrittsspalt between the pinch roller I9 is arranged. The coloring in the Entry gap of the squeeze rollers 19 has the advantage that less dye is required, so that the coloring process

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can be better controlled.

In addition, the device according to FIG. 2 is in terms of its Construction and operation of the device described above and shown in Fig. 1 is the same.

It should also be noted that the above-described process steps for dyeing a fabric are the same as the process steps used for sizing a previously dyed one Tissue applies. The only difference between dyeing and sizing a fabric is that one different chemicals used. Otherwise, the process sequence for dyeing and finishing is in accordance with the present one Invention the same in every way.

The drive for the rewinding roller ^ 5 can have a suitable motor, which is arranged in the pressure vessel 2ji and is remotely controlled, but this motor can also be arranged outside the pressure vessel and have an output shaft which protrudes through the pressure vessel wall into the interior of the pressure vessel and here it is coupled with the roller of the drive roller for di (, - rewinding roller y3. The arrangement can be such that, if the roller carrier 22 rests properly in the pressure vessel, (Ue output; .rv \ - e: l] (? do -> ni ent shown Uo tijr.7 with the drive shaft eier AntrJeb ^ v.vü r ..?>'inKupplyejiifU'jff koniiit. iv ^ nii then on -Iieao Mo.i :> e die Aiitriebowa]: ^- e ■ "·! ■■ ri]) r; {rtriebon v-; ii ^: (3, tiHiil ^ t ülf. '· v. j'i-.ioruin αϊ« - Ui ..: 3 ] '! Uli \' al :. · .: \> in D: 'i-jn'j cijt Uli; - an.

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The method used according to the invention for dyeing a fabric and in particular a synthetic fiber fabric provides that a roll 10A of this fabric A to be treated is brought to a preheating device 15 *, for example steam-heated rollers, and the fabric is then pulled from the supply roll over the heated rollers to make it preheat. The preheated fabric is then brought to the ink container I7A in order, after having passed through this ink container I7A, to be wound onto a winding roller 21 mounted on a movable support. After a certain amount of the fabric has been wound onto the winding roller 21, the free end of the fabric is attached or wound onto a corresponding winding roller 35, this winding roller 35 likewise being mounted on the movable roller carrier. The roll carrier 22 is then placed in a pressure vessel and this pressure vessel is then sealed with its shutter 23A. The container is then placed a ** eii to a predetermined temperature and a predetermined pressure, for example to a temperature of 121-132 ⁰ C at 1.05 to 1.27 kg / cm, and at this elevated temperature, and this elevated pressure The dyed fabric is then rewound from the winding roller 21 onto the rewinding roller 35. The color is fixed in the fibers of the fabric treated in this way. After the end of the fixation time, the temperature and the pressure in the pressure vessel are lowered to such an extent that the tissue can be removed from the pressure vessel. The fabric removed from the pressure vessel can then be washed and rinsed and then cleaned and / or prepared for finishing.

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Note that the same procedure and device Can be used to subsequently finish to undertake. The only difference between the finish and the coloring is that instead of the Dyes used in paint container 17A, finishing chemicals will. The procedure and the device are otherwise the same in all respects.

The finishing chemicals are intended to make the fibers of the fabric more grippy and make it more permanent. In general, finishing takes place after dyeing and after cleaning the dyed one Tissue.

When using the method and device described here, the dyeing or application of paint that takes place outside the pressure vessel can be carried out on a certain amount of tissue in 30 minutes; this is followed by the fixation time of the order of 20 to 50 minutes for a web of tissue about 4600 m in length.

According to the invention, both large and small sets of fabric can be used treat effectively without adversely affecting the fixation time.

Of course, those described above and in the Drawings illustrated embodiments of the invention only to explain and not to delimit them. In the context of the present invention, of course, numerous modifications to these exemplary embodiments are possible.

P a t e η t a η s ρ r ü c h e

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Claims (1)

Dr. Ing. E. BER-KENFELD · Diploma. H. BERKENFELD, patent attorneys, Cologne Attachment file number for the entry of 24th AUgUSt 1967 Sch + Name d. Note UlJITED PIECE DYE WORKS Patent claims (1 J device for dyeing and / or finishing a fabric web under high temperature, characterized by a at one end open pressure vessel (23), through a lid (; jJ / V) 'to seal the open end of the pressure vessel tightly, by means of supplying heat to the pressure vessel, through one in and out of the pressure vessel movable Y / al carrier (22) on which a winding roller (21) and a rewinding roller (35) are rotatably supported by a device arranged outside the pressure vessel (17A, 5O) for applying the color for dyeing the wide web ■ (10), by means of devices arranged outside the pressure vessel (32) for winding the web after dyeing onto the winding roller (21) and by means (38) for rewinding the wide web on the rewinding roller (35) of the salt carrier s (i-2) inside the pressure vessel at elevated temperature and increased pressure to improve the binding of the color with the pahn " d. Device according to claim 1, characterized by several enlivened Uaj:; on [ _{Vj) s} around · which the web (10) which is to be colored is guided to · ΙονίκΛζηη · ^ before the! ■ ■ - 19 - 109824/1363 for receiving the dye liquor, through several in the paint container arranged deflection rollers (18) around which the web (10) is guided, and through two squeegee rollers (19) * the k over the ink container (17A) are arranged and between which the Web runs through before it is on the take-up roller (21) of the Roll carrier (22) is performed. 3. Apparatus according to claim 1 or 2, characterized in that the means for applying the wide-lying Web (10) on the winding roller (21) from a pivot arm (30) and a drive roller (32) on this pivot arm exist, which in rolling contact with the Aufapulwalze (21) is arranged, the web around the drive roller and between this and the winding roller through onto the winding roller runs. 4. Apparatus according to claim 3 * characterized in that that a spreading or holding roller (33) is arranged in the central part of the pivot arm (30). * 5 · Device according to claim 1, characterized in that the pressure vessel (23) has a shielding plate (4ö) arranged at a distance from the container wall on its upper side and a heating device (42) in the space (4-1) between the container wall and the shielding plate. to prevent condensation on the container wall during operation. 6. Device after. Claim !, characterized 10 9824/1363 . '■' ΊΜ ■■ ■■ · ^ ^/:; . that on the bottom of the pressure vessel "· (25) rails (26) are arranged are and that the roller carrier (22) corresponding Wheels (24) for guiding the roller carrier on these rails having in or out of the pressure vessel. 7 · Device according to claim 6, 'characterized in that outside the pressure container (2j5) rails (25,29) for Moving the roller carrier (22) provided with wheels (24) are provided. 8. Apparatus according to claim Ί, characterized in that the roller carrier (22) is arranged to be mobile on a carriage (27) provided with wheels, the rails (28) of the carriage being arranged at right angles to the roller carrier rails (25,26,29) are. -. 9. Apparatus according to claim 1 and 2, characterized / that a pair of squeezing rollers (19) and: in the entry _gap: this pair of squeezing rollers, an ink container (50) is arranged. . _ 10. Device according to one of the preceding claims, characterized characterized in that the means for rewinding the Web (10) from the winding roller (21) to the rewinding roller (55) have a drive, which consists of one with one end on the roller carrier (22) mounted swivel arm (36) and one on the other The end of the swivel arm fastened against the winding roller (35) adjacent drive roller (> 8), around which the web (10) is on running around on their way from the winding roller to the rewinding roller. - - ■■■ -'-- "■ '- ■■ - 21 - 10882471363. Ψ ■ 11 * A process for dyeing and / or finishing a fabric web under high temperature and high pressure, characterized in that the web is drawn off from a supply source and preheated, that the preheated web is then first passed through a dye liquor under atmospheric conditions and then wound on a wind-up roll, that then brings the wound ..Aufspulwalze in a pressure vessel and temperature in the pressure vessel increases above 100 ⁰ C and the pressure in the container above atmospheric pressure and in that the colored web then ^v containers in Druckbe- in this unwinds increased temperature and this increased pressure from the winding roller. 12. The method according to claim 11, characterized in that to dye part of the web and put it on the take-up spool spools while another portion of the web is being processed in the pressure vessel, in a substantially continuous process to achieve. 13. The method according to claim 11 or T2, characterized in that that the web is dyed broadly. , --'-- 14. The method according to claim 11, 12 or 1 ^ _1, characterized in that the temperature is increased to 121-132 ⁰ C and the pressure to 1.05-1.27 kg / ren ² in the pressure vessel. 15., The method according to any one of claims 11-14, characterized characterized in that the over the wound web (10) the lying part of the pressure vessel wall is heated to a temperature in which no condensation occurs on this part of the wall, ■■ .- '■■' ■ - - '. - 22 / 109824/1363 so that no drops of condensation water fall on the web. 109824/1363