CN102905797B

CN102905797B - For medium being coated to the coating equipment on the fibrous cloth width both sides of movement and method

Info

Publication number: CN102905797B
Application number: CN201080067038.0A
Authority: CN
Inventors: H.奥斯特; A.希尔兹; U.舒马赫
Original assignee: Voith Paper Patent GmbH
Current assignee: Voith Patent GmbH
Priority date: 2010-03-26
Filing date: 2010-12-23
Publication date: 2016-11-23
Anticipated expiration: 2030-12-23
Also published as: EP2550111A1; CN102905797A; EP2550111B1; WO2011116846A1

Abstract

nullThe present invention relates to a kind of fibrous cloth width (3) for the medium of liquid or pasty state (2) being coated to movement，Especially paper web、Banknote paper web、Coating equipment (1) on the both sides of board web or packaging paper web，This coating equipment has the first applicator roll (5.1) and the second applicator roll (5.2)，Described first applicator roll (5.1) and the second applicator roll (5.2) at least extend on the width of the fibrous cloth width of described movement (3) and form the roll gap (N) with roller ingress area (6)，The fibrous cloth width (3) of described movement can be guided through described roll gap (N)，And this coating equipment has the conveying equipment (7) in the roller ingress area (6) for the medium (2) of described liquid or pasty state inputs said two applicator roll (5.1.5.2)，Wherein，In the roller ingress area (6) of said two applicator roll (5.1.5.2), the material fluid bath (8) that the fibrous cloth width (3) of described movement runs through is formed when described coating equipment (1) runs，And the liquid level (9) of described material fluid bath (8) can be regulated by described roller ingress area.Coating equipment (1) according to the present invention is characterised by, sees from the breadth traffic direction (L) of the fibrous cloth width (3) of described movement and arranged that at least one also accommodated the dipping bath equipment (10) of the medium of described liquid or pasty state (2) before described material fluid bath (8) and described roll gap (N).

Description

For medium being coated to the coating equipment on the fibrous cloth width both sides of movement and method

Technical field

The present invention relates to a kind of fibrous cloth width for the medium of liquid or pasty state being coated to movement, especially paper web, Coating equipment on the both sides of banknote paper web, board web or packaging paper web, this coating equipment has the first applicator roll and second and is coated with Cloth rewinder roll, this first applicator roll and the second applicator roll at least extend on the width of the fibrous cloth width of movement and are formed and have roller and lead Entering the roll gap in region, the fibrous cloth width of movement can be guided through this roll gap, and this coating equipment has for by liquid Or the conveying equipment in the roller ingress area of medium two applicator rolls of input of pasty state, wherein, when coating equipment runs two The roller ingress area of individual applicator roll is formed the material fluid bath run through by the fibrous cloth width of movement, and imports by described roller Region can regulate the liquid level of described material fluid bath.

Additionally, relate to a kind of fibrous cloth width for the medium of liquid or pasty state being coated to movement of the present invention, especially Method on the both sides of paper web, banknote paper web, board web or packaging paper web.

Background technology

This equipment is impregnated with for liquid, such as colloidal suspension liquid or the like when manufacture and/or quenched fibrous cloth width This fibrous cloth width.Thus change or improve the particular characteristics of fibrous cloth width.Therefore, bank-note paper is typically glued with PVA.In order to permissible Reaching required intensity level, action time is conclusive.

In the prior art, when manufacture and/or quenched bank-note paper, at least one dipping bath pond is set below extruder (" dipping bath pond working method ").But this being arranged in the most time-consumingly is transformed and is changed in the case of breadth runs guiding and can not make (" bath working method ") is run for the glue pressing machine with bath working method.

Known a kind of equipment for bath work from publication DE29610446U1, wherein, is using for medium Rationing device time between two backing rolls formed material fluid bath.Rationing device can so regulate so that material fluid bath Liquid level keep constant or approximately constant.To by making fibrous cloth width be directed through the roll gap between this material fluid bath and backing roll The medium of liquid or pasty state is coated on fibrous cloth width.Because liquid level is generally limited by minimum roller diameter, so liquid or paste The time that the medium of shape is applied on fibrous cloth width is only improved by the speed reducing fibrous cloth width.

Summary of the invention

Therefore, the technical problem to be solved is to provide a kind of for being coated to by the medium of liquid or pasty state Coating equipment on the both sides of the fibrous cloth width of movement, especially paper web, banknote paper web, board web or packaging paper web and side Method, this coating equipment or method allow between bath working method and dipping bath working method quick-replaceable and can both with than The most higher web speed is again to run than the most longer time being applied on fiber web.

This technical problem is thus solved by the present invention by starting the coating equipment of described type, (the fiber material along movement The breadth traffic direction of width is seen) dipping bath of at least one medium also accommodating liquid or pasty state was set before material fluid bath and roll gap Equipment.

Completely address by this way by the technical problem of the present invention.

Dipping bath equipment liquid or the Filled Dielectrics of pasty state, in order to the medium that can extend liquid or pasty state is applied to fiber Action length in web or action time or improve web speed.

The medium of liquid or pasty state in order to coat q.s on the fibrous cloth width of movement, dipping bath equipment preferably has The liquid level of the medium of in the range of 100 to 2000mm, preferably 200 to 1000mm, especially 300 to 800mm, liquid or pasty state is high Degree.

Dipping bath equipment is preferably designed in the roller ingress area of the roll gap at two rollers the defeated of the material fluid bath of structure Send equipment.Therefore, it can save and the medium of liquid or pasty state is inputted material fluid bath with expending discretely and probably.

Dipping bath equipment is preferably also designed to be made up of two parts, and it the most also has preferred adjustable nozzle seam Gap, this die gap includes the nozzle wall of two preferred parallel interval, and the fibrous cloth width of movement can be steered through die gap And die gap can be opened to make the fibrous cloth width of movement penetrate.Fibrous cloth width is in the dipping bath equipment that preferred minute surface is symmetrical Initial stage penetrate the trend of the fibrous cloth width moved along in an advantageous manner and carry out.

Here, die gap can immerse in material fluid bath but it also may and this material fluid bath is spaced..

Additionally, the die gap of dipping bath equipment have the most adjustable, at 0.2 to 3mm, preferably 0.4 to 1.5mm, especially It is the gap width in the range of 0.5 to 1mm.The regulation direction of gap width can be with the direction of motion opening dipping bath equipment Identical.Furthermore, it is possible to give no thought in discharging region, say, that use the parts of movement in the region of die gap.

The regulation of dipping bath equipment die gap is preferably borrowed at least one spiral lifting drive mechanism and is associated with its manipulation Device is carried out.Therefore, the gap width of die gap can the most accurately and infinitely regulate.Therefore, adjustable liquid or The medium of the pasty state time of staying in dipping bath equipment and the material fluid bath liquid level in the roller ingress area of two applicator rolls.

Additionally, two in coating equipment runs separately and the nozzle wall that forms die gap be designed to be rigidity 's.The structure of the uniform flow export that this is resistant to bending, have on the whole width of the fibrous cloth width of movement is constantly and mistake Journey reliably ensures an outlet physical dimension defined.

Alternatively, two in coating equipment works separately and at least one of the nozzle wall that forms die gap Preferably it is designed to be flexibility at outlet side.Here, at the nozzle wall of outlet side flexibility design, say, that discharging gap soft Property sealing device include bending scraping blade or the preferred pretension of a preferably at least preferred pretension in an advantageous manner at outlet side Rubber lip, especially windscreen wiper lip, wiper or the like.In this embodiment, some in the fibrous cloth width of movement lack It is trapped in the case of fibrous cloth width does not rupture and is avoided.Circulation can also be minimized, because combining gap regulation, with Known mode and liquid or the liquid level of the medium of pasty state and the relevant flow of viscosity can also be filled by flexible sealing The pretightning force put changes and infinitely regulates.Run additionally, a kind of, namely the equipment working method with extra small gap is feasible , and this allow movement fibrous cloth width in defect time and the least in the abrasion of sealing device, preferably without time be Feasible.

Additionally, the fibrous cloth width of movement Relative vertical line in the range of dipping bath equipment has less than 90 °, do not surpass Cross 45 °, the breadth angle of especially no more than 5 °.Therefore, can use at the bigger model of size by the coating equipment of the present invention In enclosing.The breadth trend of the substantially any fibrous cloth width for movement can realize, and exists by the coating equipment of the present invention The already present machine for being manufactured fibrous cloth width by least one fibrous suspension it is provided in the case of there is no bigger difficulty On.

By the technical problem of the present invention by a kind of fibrous cloth width for the medium of liquid or pasty state being coated to movement, The especially method on the both sides of paper web, banknote paper web, board web or packaging paper web solves, and the method utilizes and at least moving Fibrous cloth width whole width on extend and formed and have what roller ingress area, movement fibrous cloth width was guided through First applicator roll of roll gap and the second applicator roll and the medium of liquid or pasty state is inputted the conveying in described roller ingress area Equipment is carried out, and wherein, when coating equipment runs, forms material fluid bath in roller ingress area, and the fibrous cloth width of movement runs warp Cross material fluid bath, and by the liquid level of this roller ingress area regulation material fluid bath.By the present invention, the fibrous cloth width of movement is (along mobile The breadth traffic direction of fibrous cloth width see) before material fluid bath and roll gap, be guided through at least one also there is liquid or paste The dipping bath equipment of the medium of shape.

Have been resolved the most completely by the technical problem of the present invention, and obtain already described excellent by the present invention Point.

The liquid level of the material fluid bath in the roller ingress area of two applicator rolls regulates preferably by dipping bath equipment.The most permissible Do not consider to use other, the most at work and cost is high in maintenance device.

Additionally, dipping bath equipment preferably has preferred adjustable die gap, regulate two paintings by this die gap The liquid level of the material fluid bath in the roller ingress area of cloth rewinder roll.Therefore can not consider to use other, run and keep in repair into if desired This higher device.

In order to the liquid of q.s or the medium of pasty state are coated on the fibrous cloth width of movement, liquid or the medium of pasty state The time being applied on the fibrous cloth width of movement preferably at 0.04 to 4s, preferably 0.08 to 2s, especially 0.12 to 1.6s scope In.

When taking into full account in terms of Technology and practicality, the medium of liquid or pasty state preferably includes at least PVA.PVA Being the abbreviation of polyvinyl alcohol, polyvinyl alcohol is also referred to as PVOH once in a while.Polyvinyl alcohol is artificial, thermoplastic and water miscible moulds Material, it is manufactured by hydrolysed ethylene polyester (being generally readily available polyvinyl acetate).Directly synthetic method is not Feasible.It tolerates oil, fat and lytic agent and has prominent layering, emulsibility and viscosity.Additionally, it has higher drawing Stretch intensity and flexibility.

Cover by the painting on the both sides of the fibrous cloth width for the medium of liquid or pasty state being coated to movement of the present invention Standby being adapted for use with in the way of particularly pertinent is manufactured fibrous cloth width, especially paper web, banknote by least one fibrous suspension In the machine of paper web, board web or packaging paper web.

Accompanying drawing explanation

Its its feature of the present invention and advantage obtain in the explanation of multiple preferred embodiments with reference to accompanying drawing from below.? In accompanying drawing:

Fig. 1 is by the coating on the both sides of the fiber web for liquid or paste medium are coated to movement of the present invention The cross section of the preferred implementing form of equipment；

Fig. 2 is the schematic diagram of the preferred implementing form by the dipping bath equipment of the coating equipment of the present invention；

Fig. 3 is the schematic cross section of the die gap of the preferred implementing form by the dipping bath equipment of the coating equipment of the present invention Detailed view；

Fig. 4 is the schematic diagram of alternative operation conditions " bath work "；

Fig. 5 is the signal of the preferred implementing form of the governor motion for the die gap by the coating equipment of the present invention Figure；And

Fig. 6 to Figure 10 is the schematic diagram of the preferred implementing form of the die gap by the coating equipment of the present invention.

Detailed description of the invention

Fig. 1 illustrates the coating equipment on the both sides of the fibrous cloth width 3 for the medium 2 of liquid or pasty state is coated to movement The cross section of 1.Shown fibrous cloth width can be such as bank-note paper breadth 3, and wherein, this fibrous cloth width is generally using as liquid Or the PVA of the medium of pasty state is glued.

Slewing rollers 4 and two applicator rolls, the i.e. first applicator roll 5.1a and the second applicator roll 5.2 are relative to the fiber material of movement 3 position in this wise so that fibrous cloth width 3 imports in the nip N formed by two applicator roll 5.1.5.2.Two applicator rolls The most at least upper extension of whole width B (arrow) and nip N at the fibrous cloth width 3 of movement constitutes one Roller ingress area 6, the fibrous cloth width 3 of movement is guided through this roller ingress area 6.

Additionally, coating equipment 1 has the conveying equipment 7 in the medium 2 input roller ingress area 6 of liquid or pasty state, its In, when coating equipment 1 runs, the material fluid bath 8 that the fibrous cloth width 3 of movement runs through is formed at two applicator roll 5.1.5.2 Roller ingress area 6 in, and by the liquid level 9 of this roller ingress area scalable material fluid bath 8.

Regulation now, breadth traffic direction L (arrow) along fibrous cloth width 3 is seen, arranges before material fluid bath 8 and nip N Also the dipping bath equipment 10 of the medium 2 of liquid or pasty state is accommodated.

The liquid level 12 of material fluid bath 11 by unshowned conveyer device (arrow) with consume correspondingly keep constant or Approximately constant.

Dipping bath equipment 10 has at 100 to 2000mm, preferably 200 to 1000mm, in the range of especially 300 to 800mm, The liquid level 12 of the medium 2 of liquid or pasty state.Additionally, it is designed for leading at the roller of the nip N of two roller 5.1.5.2 Enter the conveying equipment 7 of the material fluid bath 8 of structure in region 6.

The die gap 13 of dipping bath equipment 10 also has at 0.2 to 3mm, preferably 0.4 to 1.5mm, especially 0.5 to 1mm In the range of, preferred adjustable gap width (with reference to Fig. 3).

Dipping bath equipment 10 is also configured to so that die gap 13 stretches into the roller ingress area 6 at two applicator roll 5.1.5.2 In material fluid bath 8.

After running through dipping bath equipment 10, the fibrous cloth width 3 of movement is from the nozzle of the lower end at dipping bath equipment 10 Gap 13 exports and is input to the material fluid bath 8 in the roller ingress area 6 of two applicator roll 5.1.5.2.The fiber web 3 of movement Then the nip N run through forms extruding gap or rationing gap.

The fibrous cloth width 3 of movement becomes less than 90 ° with vertical line V in the region of dipping bath equipment 10, preferably more than 45 °, the breadth angle A of especially no more than 5 ° (schematically illustrating).In this form of implementation, fibrous cloth width 3 have example with Vertical line V becomes the breadth angle A of about 3 °.

Fig. 2 illustrates the both sides by the fibrous cloth width 3 for the medium 2 of liquid or pasty state is coated to movement of the present invention The preferred implementing form schematic diagram in the on-state of dipping bath equipment 10 of coating equipment 1.

In this embodiment, can open or alternatively run the dipping bath equipment 10 for making fibrous cloth width 3 penetrate, as Shown in Fig. 4.Because shown dipping bath equipment 10 is corresponding to the dipping bath equipment 10 shown in Fig. 1 in principle, so in this reference Accompanying drawing explanation.

Therefore, dipping bath equipment 10 is designed as being made up of and have preferred adjustable die gap 13, this spray two parts Mouth gap 13 includes two nozzle walls being spaced 14.1,14.2, and the fibrous cloth width 3 of movement is guided through the spray at the two interval Mouth wall 14.1,14.2 and the two nozzle wall 14.1,14.2 can open to make the fibrous cloth width 3 of movement penetrate.

Fig. 3 illustrates the both sides by the fibrous cloth width 3 for the medium 2 of liquid or pasty state is coated to movement of the present invention The schematic section detail view of die gap 13 of preferred implementing form of dipping bath equipment 10 of coating equipment 1.

Dipping bath equipment 10 has preferred adjustable die gap 13, and this die gap 13 includes two nozzle walls being spaced 14.1,14.2, the fibrous cloth width 3 of movement is guided through the two nozzle wall 14.1,14.2.

The regulation of the die gap 13 of rigidity is moving into by the jet expansion plate 15.1,15.2 of two bendings at this OK.But in order to regulate die gap 13, this die gap 13 can also be by unshowned but well known by persons skilled in the art Equipment is adjusted (double-head arrow).

The die gap 13 of dipping bath equipment 10 also has at 0.2 to 3mm, preferably 0.4 to 1.5mm, especially 0.5 to 1mm In the range of, adjustable gap width (with reference to Fig. 3).

Fig. 4 illustrates the method for operation " bath working method " of replacement, wherein, only uses material fluid bath 8 in roller ingress area 6 The medium 2 of liquid or pasty state is coated on the both sides of fibrous cloth width 3 of movement.Here, as shown, it is possible to use the most defeated Send equipment 16 to input the medium 2 of liquid or pasty state.This dipping bath equipment 10 rests at this and penetrates in position.But it is the most feasible It is that the dipping bath equipment 10 of the nozzle wall 14.1,14.2 with two intervals is used only as conveying equipment 7, say, that do not have dipping bath Effect.

Therefore, shown can advantageously act as that there is bath working method glue pressing machine by the coating equipment 1 of the present invention Or there is the film extruder operation of dipping bath working method and need not transform or change breadth and guide.

Fig. 5 illustrates for the both sides by the fibrous cloth width 3 that the medium 2 of liquid or pasty state is coated to movement of the present invention The schematic diagram of preferred implementing form of governor motion 17 of die gap 13 of coating equipment 1.

The die gap 13 of dipping bath equipment 10 by two spiral lifting drive mechanisms 18 and be associated with they, respectively altogether Same-action manipulation device 19 on nozzle wall 14.1,14.2 regulates.Whole governor motion 17 is installed in again the framework 20 of equipment On.Due to the two spiral lifting drive mechanism 18, two nozzle walls 14.1,14.2 can move independently of each other or regulate, So that the characteristic of die gap can be directly affected.

But the spiral lifting transmission that only one the most directly or indirectly acts on two nozzle walls can certainly be set Mechanism.

Fig. 6 to Figure 10 schematically illustrates by the fiber material for the medium 2 of liquid or pasty state is coated to movement of the present invention Die gap 13 preferred implementing form of the coating equipment 1 on 3 both sides.

Therefore, in the form of implementation shown in Fig. 6, two are spaced and are formed nozzle seam in the work of coating equipment 1 The nozzle wall 14.1,14.2 of gap 13 is designed to rigidity.The die gap 13 of this dipping bath equipment 10 " rigidity " has the most adjustable Gap width (also referring to Fig. 3) that save, at 0.2 to 3mm, in the range of preferably 0.4 to 1.5mm, especially 0.5 to 1mm.

In the form of implementation shown in Fig. 7 to Figure 10, two are spaced in coating equipment 1 works and form die gap One of nozzle wall 14.1,14.2 of 13 is designed to flexibility at outlet side.Certainly, two nozzle walls forming die gap are going out Mouth side can also be designed to flexibility.

In the form of implementation shown in Fig. 7 and Fig. 8, the nozzle wall 14.1 in the design of outlet side flexibility includes excellent at outlet side Selecting the bending scraping blade 21 of pretension together with holding means 22, this bending scraping blade 21 abuts in separately in the resting state of coating equipment 1 On one opposed nozzle wall 14.2 and together with nozzle wall 14.2 opposed with another in the running status of coating equipment 1 Constitute the die gap 13 of opening.Each bending scraping blade 21 can be with pretension (with reference to Fig. 7) or loosen (reference Fig. 8).

In the form of implementation shown in Fig. 9 and Figure 10, the nozzle wall 14.1 in the design of outlet side flexibility is distinguished at outlet side Including the rubber lip 23 of preferred pretension, especially windscreen wiper lip 23.1 (with reference to Fig. 9), wiper 23.2 (with reference to Figure 10) or similar Thing.Each rubber lip 23 abuts on another opposed nozzle wall 14.2 and in coating in the resting state of coating equipment 1 In the running status of equipment 1, its nozzle wall 14.2 opposed with another constitutes the die gap 13 of an opening.Additionally, this rubber Glue lip 23 arranges and is bearing in by corresponding holding means 24 on nozzle wall 14.1.

Illustrate at least in part in Fig. 1 to Figure 10 is particularly suitable for implementing by the present invention by the coating equipment 1 of the present invention The fibrous cloth width 3 for the medium 2 of liquid or pasty state being coated to movement, especially paper web, banknote paper web, board web or bag Method on the both sides of dress paper web.

Here, the fibrous cloth width 3 of movement is seen at material fluid bath 8 along breadth traffic direction L (arrow) of the fibrous cloth width 3 of movement With the dipping bath equipment 10 being guided through at least one medium 2 also accommodating liquid or pasty state before nip N.

The liquid level 9 of the material fluid bath 8 in the roller ingress area 6 of two applicator rolls 5.1,5.2 regulates by dipping bath equipment 10. Dipping bath equipment 10 has again preferred adjustable die gap 13, regulates at two applicator rolls 5.1 by this die gap 13, The liquid level 9 of the material fluid bath 8 in the roller ingress area 6 of 5.2.

The medium 2 of liquid or pasty state t action time on the fibrous cloth width 3 of movement is in 0.04 to 4s, and preferably 0.08 To 2s, in the range of especially 0.12 to 1.6s (with reference to Fig. 1).The medium 2 of liquid or pasty state includes at least PVA.

The coating equipment 1 at least partly illustrated in Fig. 1 to Figure 10 respectively is suitable for use of and is being hanged by least one fiber Supernatant liquid manufactures in fibrous cloth width 3, the especially machine 100 of paper web, banknote paper web, board web or packaging paper web.

In a word, saying certainly, which improved coating equipment and the method starting described type by the present invention so that energy It is enough that between bath working method and dipping bath working method, quick-replaceable and this coating equipment both can be with more higher than so far Web speed again can be with than the most longer work action time on material web.

Reference numerals list

1 coating equipment

2 liquid or the medium of pasty state

3 fibrous cloth widths；Banknote paper web

4 slewing rollers

5.1 first applicator rolls

5.2 second applicator rolls

6 roller ingress areas

7 conveying equipments

8 material fluid baths

9 liquid levels (material fluid bath)

10 dipping bath equipment

11 material fluid baths

12 liquid levels (material fluid bath)

13 die gaps

14.1 nozzle walls

14.2 nozzle walls

15.1 jet expansion plate

15.2 jet expansion plate

16 conveying equipments

17 governor motions

18 spiral lifting drive mechanisms

19 manipulation devices

20 frameworks

21 bending scraping blades

22 holding meanss

23 rubber lips

23.1 windscreen wiper lip

23.2 wipers

24 holding meanss

A breadth angle

B width (arrow)

L breadth traffic direction (arrow)

N roll gap

S gap width

T action time

V vertical line

Claims

1. the coating equipment on the both sides that the medium (2) of liquid or pasty state is coated to the fibrous cloth width (3) of movement (1), described coating equipment has the first applicator roll (5.1) and the second applicator roll (5.2), described first applicator roll (5.1) and Two applicator rolls (5.2) at least extend and are formed on the whole width of the fibrous cloth width of described movement (3) and have roller Lead-In Area The roll gap (N) in territory (6), the fibrous cloth width (3) of described movement can be guided through described roll gap (N), and described painting covers Get everything ready for the roller ingress area (6) by the medium (2) input said two applicator roll (5.1.5.2) of described liquid or pasty state In conveying equipment (7), wherein, when described coating equipment (1) runs said two applicator roll (5.1.5.2) roller import Region (6) is formed the material fluid bath (8) that the fibrous cloth width (3) of described movement runs through, and by described roller ingress area The liquid level (9) of described material fluid bath (8) can be regulated, it is characterised in that from the breadth traffic direction of the fibrous cloth width (3) of described movement (L) see and at least one medium also accommodating described liquid or pasty state is set before described material fluid bath (8) and described roll gap (N) (2) dipping bath equipment (10).

2. the coating equipment (1) as described in claim 1, it is characterised in that described dipping bath equipment (10) have 100 to The liquid level (12) of the medium (2) of liquid in the range of 2000mm, described or pasty state.

3. the coating equipment (1) as described in claim 1 or 2, it is characterised in that described dipping bath equipment (10) is designed for institute Stating the conveying equipment (7) of material fluid bath (8), described material fluid bath (8) structure is at the described roll gap of said two applicator roll (5.1.5.2) (N) in described roller ingress area (6).

4. the coating equipment (1) as described in claim 1 or 2, it is characterised in that described dipping bath equipment (10) is designed to by two Being grouped into and have adjustable die gap (13), described die gap (13) includes the nozzle wall of two parallel interval (14.1,14.2), the fibrous cloth width (3) of described movement can be steered through described die gap (13) and described die gap (13) can open to make the fibrous cloth width (3) of described movement penetrate.

5. the coating equipment (1) as described in claim 4, it is characterised in that the described die gap of described dipping bath equipment (10) (13) there is gap width (s) adjustable, in the range of 0.2 to 3mm.

6. the coating equipment (1) as described in claim 4, it is characterised in that the die gap (13) of described dipping bath equipment (10) Regulation by least one spiral lifting drive mechanism (18) and be associated with its manipulation device (19) and carry out.

7. the coating equipment (1) as described in claim 4, it is characterised in that said two nozzle wall (14.1,14.2) is designed to Rigidity, said two nozzle wall (14.1,14.2) is interval in described coating equipment (1) runs and forms described spray Mouth gap (13).

8. the coating equipment (1) as described in claim 4, it is characterised in that said two nozzle wall (14.1,14.2) is at least One is designed at outlet side is flexible, and said two nozzle wall (14.1,14.2) is in the operation of described coating equipment (1) It is to be spaced and form described die gap (13).

9. the coating equipment (1) as described in claim 8, it is characterised in that be designed to the described nozzle wall of flexibility at outlet side (14.1) the bending scraping blade (21) of at least one pretension is included at outlet side.

10. the coating equipment (1) as described in claim 8, it is characterised in that at the described nozzle wall of outlet side flexibility design (14.1) rubber lip (23) of at least one pretension is included at outlet side.

11. coating equipments (1) as described in claim 1 or 2, it is characterised in that the fibrous cloth width (3) of described movement is described The breadth angle (A) less than 90 ° is become with vertical line (V) in the range of dipping bath equipment (10).

12. coating equipments (1) as described in claim 1, it is characterised in that described fibrous cloth width (3) is paper web, bank-note paper Width, board web or packaging paper web.

13. coating equipments (1) as described in claim 1, it is characterised in that described dipping bath equipment (10) have 200 to The liquid level (12) of the medium (2) of liquid in the range of 1000mm, described or pasty state.

14. coating equipments (1) as described in claim 1, it is characterised in that described dipping bath equipment (10) have 300 to The liquid level (12) of the medium (2) of liquid in the range of 800mm, described or pasty state.

15. coating equipments (1) as described in claim 4, it is characterised in that the described die gap of described dipping bath equipment (10) (13) there is gap width (s) adjustable, in the range of 0.4 to 1.5mm.

16. coating equipments (1) as described in claim 4, it is characterised in that the described die gap of described dipping bath equipment (10) (13) there is gap width (s) adjustable, in the range of 0.5 to 1mm.

17. coating equipments (1) as described in claim 10, it is characterised in that described rubber lip (23) be windscreen wiper lip (23.1), Wiper (23.2).

18. coating equipments (1) as described in claim 1 or 2, it is characterised in that the fibrous cloth width (3) of described movement is described The breadth angle (A) less than 45 ° is become with vertical line (V) in the range of dipping bath equipment (10).

19. coating equipments (1) as described in claim 1 or 2, it is characterised in that the fibrous cloth width (3) of described movement is described The breadth angle (A) less than 5 ° is become with vertical line (V) in the range of dipping bath equipment (10).

20. 1 kinds of methods on the both sides that the medium (2) of liquid or pasty state is coated to the fibrous cloth width (3) of movement, should Method utilizes at least to extend and formed on the whole width of the fibrous cloth width (3) of described movement has roller ingress area (6) , first applicator roll (5.1) of the roll gap (N) that the fibrous cloth width (3) of described movement is guided through and the second applicator roll (5.2) And the medium (2) of liquid or pasty state is inputted in the described roller ingress area (6) of two described applicator rolls (5.1.5.2) defeated Send equipment (7), wherein, when running by the coating equipment (1) one of claim 1 to 19 Suo Shu, at said two applicator roll (5.1.5.2) material fluid bath that in roller ingress area (6), the fibrous cloth width (3) of the described movement of formation runs through, and by This roller ingress area regulates the described liquid level (9) of described material fluid bath (8), it is characterised in that fibrous cloth width (3) edge of described movement The breadth traffic direction (L) of the fibrous cloth width of described movement is seen and was directed to lead to before described material fluid bath (8) and described roll gap (N) Cross the dipping bath equipment (10) of at least one medium also with described liquid or pasty state (2).

21. methods as described in claim 20, it is characterised in that regulate two described paintings by described dipping bath equipment (10) In the described roller ingress area (6) of cloth rewinder roll (5.1.5.2), the described liquid level (9) of described material fluid bath (8).

22. methods as described in claim 20 or 21, it is characterised in that described dipping bath equipment (10) has adjustable nozzle Gap (13), regulates the described roller ingress area (6) two described applicator rolls (5.1.5.2) by described die gap (13) In, the described liquid level (9) of described material fluid bath (8).

23. methods as described in claim 20 or 21, it is characterised in that the medium (2) of described liquid or pasty state is in described shifting The dynamic action time (t) on fibrous cloth width (3) is in the range of 0.04 to 4s.

24. methods as described in claim 20 or 21, it is characterised in that the medium (2) of described liquid or pasty state include to Few PVA.

25. methods as described in claim 20 or 21, it is characterised in that the medium (2) of described liquid or pasty state is in described shifting The dynamic action time (t) on fibrous cloth width (3) is in the range of 0.08 to 2s.

26. methods as described in claim 20 or 21, it is characterised in that the medium (2) of described liquid or pasty state is in described shifting The dynamic action time (t) on fibrous cloth width (3) is in the range of 0.12 to 1.6s.

27. 1 kinds for being manufactured the machine of fibrous cloth width (3) by least one fibrous suspension, it is characterised in that described machine Including at least one by the coating equipment (1) one of claim 1 to 19 Suo Shu.