CN103193023B

CN103193023B - Bag film

Info

Publication number: CN103193023B
Application number: CN201210592489.7A
Authority: CN
Inventors: A·德维斯; W·提尔兹
Original assignee: Rudolf Wild GmbH and Co KG
Current assignee: Adm Wilder Europe Ltd
Priority date: 2012-01-04
Filing date: 2012-12-31
Publication date: 2015-12-23
Anticipated expiration: 2032-12-31
Also published as: CN103193023A; JP5783638B2; EP2612826A1; JP2013139297A; US20130170772A1

Abstract

The invention discloses a laminated film bag (1), it is for storage food, particularly beverage concentrate, there is one bag of layer (7), it comprises at least one skin (10), a barrier layer (9), such as, intercept oxygen and/or light, and an internal layer (8), it is characterized in that, described laminated film bag is included in the predetermined breaking-down point (2) on bag film, and it is torn under stress, such as at pressure more than 100kPa, 150kPa, 200kPa, 400kPa or 500kPa, the part without any bag film is torn.

Description

Bag film

Technical field

The present invention relates to the bag film for stored prod, particularly food, as (bubble-tight or the be rich in CO2's) beverage concentrate mixed with water, as soft drink.The present invention also relates to the method for emptying bag film further.

Background technology

Laminated film bag has been well-known, such as, describes in EP0473517 under the effect of laser, and bag film uses and divests type (tear-off) seam, and like this, user can open it more like a cork.But, describe in EP0473517 to open bag film by machine be pretty troublesome.

In USD642068S file, after product is put into container, by thermal process, one oxygen impermeable paper tinsel is welded on container.But container itself does not comprise any oxygen film.The production of container, the filling and multiple processing step of sealing needs, therefore complicated and expensive.The viscosity of product is only limited to liquid and free-pouring product, because they can be rushed out easily or extrude container.For this situation, required complex appts product mix subsequently, such as, is mixed into water in beverage.Like this when product flows through the edge that container do not sterilize, also just add the pollution of bacterium.

Summary of the invention

Therefore, a bag film, a method and an equipment have been the object of this invention is to provide, like this, it just can leave the emptying amorphous thin film bag in any residue ground hardly, and wherein, bag film also comprises the barrier of light and/or oxygen, and it is microbial safety process.

Equipment according to the laminated film bag of the claims in the present invention 1, the method for claim 11 and claim 16 can realize.Favourable embodiment and further improvement are the themes of dependent claims.

According to the laminated film bag with bag layer (bagwall) of the present invention, wherein bag layer comprises at least one skin, a barrier layer, such as blocking oxygen and/or light, and an internal layer, described internal layer comprises one in bag film layer and weakens (weakening), it under the effect of the pressure, can tear as predetermined breaking-down point in a controlled manner, such as at pressure more than 100kPa, 150kPa, 200kPa, 400kPa or 500kPa, namely, particularly such as, in technological process without any the isolation of components of bag film.

The benefit done like this is, no matter the shape of bag film how, can easily and safely machinery turned letter and almost do not leave any residue, and do not have separative bag film parts affect and optionally cause microbial contamination to subsequent processes and product treatment step.

As the reduction of predetermined breaking-down point, it is advantageously attached on the skin of bag film between two parties, and such as, manufacture under the effect of light, advantageously, described reduction can have a prolongation, and it is less than the half, 1/3rd or 1/4th of the prolongation in the outer layer side of predetermined breaking-down point place.Can promote that the machinery of bag film is under stress emptying in the position of the predetermined breaking-down point at the outer center of bag film, therefore can guarantee better, such as, described reduction or predetermined breaking-down point lay respectively at the top of the egress hole of emptying chamber, regardless of bag film rotation in one plane.But the non-central location of the predetermined breaking-down point on bag film skin also can be imagined and obtains.

Advantageously, bag film can have the shape of rectangle and comprise at least one weld seam, and it is for being filled rear enclosed bag film at bag film, and weld seam/many weld seam opposings, higher than the pressure of above-mentioned range of pressure, cause an opening of predetermined breaking-down point.

In addition, predetermined breaking-down point can comprise a lid, such as a protective film, prevents by the fixing pollutants of adhesives and stain, and the tongue of a lid, and it, for before emptying, manually or mechanically removes lid.

In addition, the degree of depth of the predetermined breaking-down point in bag film skin does not arrive darker than barrier layer, and this is favourable.This is conducive to guaranteeing being stored in the impact of product in bag film not light or oxygen, and before opening, light or oxygen can penetrate into the region of predetermined breaking-down point.

Preferably, bag film has the height dimension being less than length and width dimensions.

Similarly, bag film can provide a position detection marks.This contributes in pumping equipment, the verification in bag film tram and direction.

Advantageously, under the effect of the pressure, predetermined breaking-down point can be outwardly and before being torn/tearing, form a convex shape (outwardshape).Then, after bag film is torn under pressure easily, it can more easily and be almost entirely drained and do not leave any residue.

In addition, in evacuation procedure, it may be favourable that bag layer protrudes due to predetermined breaking-down point, and like this, after emptying, predetermined breaking-down point is closed in antidrip mode.

According to the present invention, in bag film, store the liquid that viscosity is greater than 100mPa, can be therefore emptying basically and do not leave any residue.

In the embodiment that the present invention is favourable further, it is conceivable that, a small amount of gas, such as bubble, be located at the sidewall lain low in container, this sidewall is positioned at top and the opposite of predetermined breaking-down point, and when bag film is drained, it can rinse the egress hole of the predetermined breaking-down point of any product.

According to the present invention, emptying bag film can be realized by the method for following pumping equipment.

In this course, bag film is placed in emptying chamber, preferably its physical dimension can adjust, according to width and the height of bag film, the width of adjustment emptying chamber and length, and by pressure device, such as, be reduced on bag film by pressure device, apply pressure on bag film, like this, formed and protrude, when the bag film layer over expansion of the predetermined breaking-down point side of bag film, then open predetermined breaking-down point, such as, the heart wherein, and bag film is drained, and does not almost leave any residue.

In addition, when the pressure is exerted, by the compressible mat on pressure device, the uniformly dispersive pressure of bag film can be crossed.

Advantageously, when pressure device reduces, the mat of pressure device may be expanded in the protrusion of bag film layer, because do not have resistant formation in the egress hole region of emptying chamber, and the product stored in bag film almost can be extruded completely.

When described bag film is drained by the bubble in bag film, described bubble is positioned at the high top point of drain position place bag, also product resistates may be gone out bag film.

And, after bag film is drained, bag film to be discharged in product chambers/on, and rinse product chambers, such as, use commingled water (bubble-tight or be mixed with CO2's) to be possible.

Accompanying drawing explanation

Show accompanying drawing by way of example:

Fig. 1 a is the 3-D view of a bag film exemplary design;

Fig. 1 b is the birds-eye view of Fig. 1 bag film;

Fig. 1 c is the section drawing running through bag film layer;

Fig. 1 d is the birds-eye view of difform predetermined breaking-down point;

Fig. 2 is the 3-D view of a lid;

Fig. 3 a is the emptier partial side elevation view with an insertion bag film;

Fig. 3 b is the section drawing of a step snapshot in the process of emptying bag film;

Fig. 3 c is the section drawing of rinsing step snapshot;

Fig. 4 is the 3-D view of emptying bag film;

Fig. 5 is the exploded side figure of pumping equipment part.

Detailed description of the invention

Fig. 1 a shows the 3-D view of laminated film bag 1 embodiment, and it has the predetermined breaking-down point manufactured under the effect of light.Here, the height 3a of bag film 1 is less than its length 3b and width 3c.

Fig. 1 b shows the view of bag film by way of example, and predetermined breaking-down point is positioned at the side of Fig. 1 bag film.Such as, predetermined breaking-down point is positioned at the bottom 6 of bag film.

In this example, length 3b and the width 3c of container have the identical length of side, but the geometric configuration of bag film 1 also can be designed to another kind of shape, as rectangle, polygon or circle.The weakened locations of the predetermined breaking-down point 2 on the bottom 6 of container 1 can be advantageously located on diagonal line 4 and/or advantageously on the center 5 of bag film 1.But, also can imagine the weakened locations of other predetermined breaking-downs point 2, neither at center also not on the diagonal.In order to ensure operator/machine relative to the plane inserted, no matter it rotates, and can correctly container 1 is placed in emptying chamber 24, bag film 1 can provide a position detection marks 2a as mark.Such as, this position detection marks can be designed to the cut in bag layer, as hole, picture, trace, paster etc.

Fig. 1 c shows the partial view running through laminated film bag layer 7.The inner wall layer 8 of bag film layer can advantageously be made up of thermoplastic plastic, such as PE, PP, PET, PA or other natural rubber or rubber, and can weld.Preferably, be greater than 1 newton in the prolongation of low compression force, but be less than 100 newton, preferably 20 newton.

One central barrier layer 9 plays the effect of protection product 33, and it such as, for masking light radiation and/or gas diffusion, oxygen diffusion, and can by such as, and aluminium forms.

The same with inner wall layer 8, the outer wall layer 10 of bag film layer 7 also can advantageously be made up of thermoplastic plastic, such as PE, PP, PET, PA or other natural rubber or rubber, and is being greater than 1 newton, but be less than 100 newton, under being preferably the low compression force of 20 newton, there is prolongation.

In one exemplary embodiment, bag film can have the barrier layer 9 of inner wall layer 8,7 μm of aluminium and the outer wall layer of 12 μm of PET of 40 μm of PE.All these thickness specifications can have the difference of up or down 10% or 20% or more, and namely the thickness of PE layer can be such as 40 μm ± 10 or 20%, but also can be larger.

Under the effect of light, the reduction being manufactured to predetermined breaking-down point 2 can have a degree of depth 11, it is advantageously until the surface of barrier layer 9, thus is used in the pressure opening bag film layer 7 and applies to be minimum, and now the function of barrier layer is unaffected or be subject to little impact.Such as, but predetermined breaking-down point 2 also can be produced by additive method, passes through scratch.

When predetermined breaking-down point 2 produces, the integraty of at least the most beneath barrier layer 9 can be guaranteed by the method for Nd:YAG or CO2 LASER Light Source.

Fig. 1 d shows the birds-eye view of the predetermined breaking-down point 2 of the different exemplary shape 13a produced by the effect of light.For the selection of difformity 13a, maximum reduction from the center 14 of predetermined breaking-down point 2 is favourable, when bag film 1 is opened from predetermined breaking-down point 2, thus create unified protrusion 30, and therefore can realize unified outside shape 13, and affect the angle of spray 41 of product.But the maximum reduction of predetermined breaking-down point 2 can start at Bu Congqi center, also can use other forms.But star 13 is preferred predetermined breaking-down point shapes.

Fig. 2 shows the 3-D view of an exemplary lid 15, the predetermined breaking-down point 2 of lid 15 cover film bag 1.Such as, the size of the lid 15 of predetermined breaking-down point 2 is determined by the cross-sectional area of emptying chamber 24, and therefore, in the process transported by operator/machine or operate, the point contacted with product in emptying chamber can keep health and clean.Like this, in the process of emptying bag film 1, the bacterial contamination of the product 33 caused by germ can be avoided.Such as, by the mode of adhesives, lid 15 can be fixed on bag film 1, and conveniently the operation of operator/machine is to remove lid from bag layer, and described lid 15 also comprises the tongue 16 of a lid, it is not be fixed to bag film by the mode of adhesives, but can be started, like this, by catching the tongue of lid and tractive, can separating lid 15.

Fig. 3 a shows exemplary pumping equipment 17 partial side elevation view with the bag film 1 inserting emptying chamber 24, and pressure device 18 stops/leans against on pumping equipment.The exemplary location of bag film 1 causes bubble 34 to be positioned at the opposite of the predetermined breaking-down point of bag film.Emptying chamber 24 can have at least one egress hole 36, and it is connected by product chambers 32.In addition, pressure device 18 can comprise a compressible mat 21.Same, emptying chamber 24 can have a flushing to connect, and can rinse the part of product chambers or emptying chamber and the part of bag film by this connection, such as, with commingled water (bubble-tight or be mixed with CO2's).

Fig. 3 b shows in the process steps snapshot of the bag film 1 of emptying insertion, the side cross-sectional views of an exemplary pumping equipment 17.

By the pressurization of pressure device 18, wall of container 7 can to extend in the egress hole 36 of emptying chamber and form protrusion 30 in this process, thus causing the prolongation of predetermined breaking-down point 2 rent exceed and open bag film 1, such product 33 just can flow out bag film.Advantageously, the compression motion of pressure device can increase at leisure, such as, at 5 to 30 seconds, or in 1 to 100 seconds, be increased to 200kPa from 0, or be increased to 500kPa or more from 0, such as spray phenomenon to realize better, such as, the product angle of spray sprayed from bag film by limits product is less than 180 °.

Emptier can be designed to like this: pressure device can be arranged in a controlled manner.In this course, pressure device uses suitable method to adjust position, and whether this location not affected by the existence of bag film.Such as, pressure device is standby is preset the speed movement of also continuous variable with one, and whether this not affected by the existence of bag film.The speed preset can be, such as 0.1,0.5,1.0,2.0,5.0,10,20 or 40 mm/min or more.The speed preset also can lower than in these values.

Such as, in 5 to 30 seconds or 1 to 100 seconds, the change of pressure can from 0 to 200kPa or from 0 to 500kPa.This will contribute to realizing an in check pressure and increase in bag film, and therefore can avoid the unexpected of pressure device or uncontrolledly to fall, and can avoid throwing open with unexpected container.For this situation, such as, pressure device is moved by hydraulic way or electronic mode, wherein pressure device kinematic velocity with one definition hydraulic pressurization flow velocity/propellant in hydraulic actuating cylinder or motor, move to make pressure device, or such as, define with the motor running speed (a such as electro-motor, a stepping or asynchronous motor) of a definition.Such as, as explained above, by the mode by electro-motor or hydraulically powered thread rod, control or the pressurization of pressure device can also be realized.

Such as, the speed that the emptying action need of bag film one realizing controlling is minimum, 0.05,0.10,1.00 or 20 millimeter of per minute, such as, guarantee that a bag film slowly also controlled is opened, speed is lower than maximum speed 100,200 or 500 millimeters of per minutes.

Pressure device can have a compressible mat 32, when pressure device reduces/depresses, mat 32 extends in protrusion 23 in this process, reach in the region of egress hole 36 of emptying chamber 32, do not meet obstructions, and by this way product residue thing can be extruded bag film, particularly in the convex place 31 of the predetermined breaking-down point of the bag film be substantially drained.

Fig. 3 c shows in the process snapshot rinsed with commingled water/mixture, the side cross-sectional views of an exemplary pumping equipment 17.By sparge water import 39, can rinse the protrusion of bag film 30 and the outside shape of the predetermined breaking-down point of bag film and the part of emptying chamber and product chambers, such as, water mixes with CO2, like this, has product residue thing hardly and stays.Therefore, the product such as serving as bland and irrigation can be found in mixing can 43.

Fig. 4 shows the 3-D view of the exemplary film's bag 1 be almost emptied completely, it has the outside shape 31 of the unification at the center 14 around predetermined breaking-down point, predetermined breaking-down point by pressurized operation/add be pressed in along bag film outstanding 30 forming process in stretch and produce.

Fig. 5 shows the side cross-sectional views of an exemplary means 17 of emptying bag film 1.Preferably, pumping equipment 17 is made up of emptying chamber 24, and the physical dimension of emptying chamber 24 can be suitable for the size of container 1 length 3b and width 3c, and like this, the container 1 filling product can be inserted in emptying chamber, almost without any space.Here, the distance 26 around pressure device to inwall 25 between 0.01 millimeter to 20 millimeters, but can be preferably 1 ± 0.5 millimeter.Thus can avoid in pressure process, vessel pressure is entered and/or is sandwiched in the distance 26 between emptying chamber and pressure device 18.The shape of emptying chamber 24 can be, such as, rectangle or square, wherein emptying chamber 24 is passable, such as, forms a plate, and its sidewall design or inwall 25 are respectively higher than the container filling product flatly inserted.

Pumping equipment can comprise a pressure device 18, and such as, be furnished with a pressure plate or piston 18a, its physical dimension is slightly less than surrounding's inwall 25 of emptying chamber 24, but preferably, it can be inserted in emptying chamber accurate match.

By pressure device, pressure can be applied on the container 1 in insertion emptying chamber.Here, container can protrude through in the products export hole of emptying chamber, until predetermined breaking-down point is opened and emptying receptacles.Such as, relative to Fig. 3 b, as described above, the actuator of pressure device can be designed by hydraulic way or electronic mode.

Pressure device can comprise a compressible mat 21 at its bottom position, and such as air cushion or elastic body, can be applied pressure on bag film by them.In this course, compressible mat can reflect the profile of container, thus forms uniform distribution of pressure on container and on possible weld seam, and can realize crumple (pleat) of container.

Emptying chamber 24 can comprise the opening 36 of products export, and such as, opening 36 is positioned at bottom 27 central authorities of emptying chamber.But, also can have multiple opening.

When on the container using the pressure device 36 being furnished with compressible mat 21 to apply pressure to fill product, mat can extend in the products export hole 36 of emptying chamber, thus emptying receptacles better.

Such as, the product chambers 32 that its volume 35 can receive complete product 33 can connect described opening 36, and wherein product 33 is arranged in bag film 1.In addition, product chambers can comprise a product chambers egress hole 38, and such as, in the vertical direction of product chambers, or such as, at downward gravity direction, wherein egress hole 38 can have a part less than product chambers; Such as, the cross-sectional plane of egress hole is less than 1% to 90% of product chambers cross-sectional plane, thus generation product gathers (back-up) 42.Such as, the width of product chambers, as diameter 30 millimeters, and preferred egress hole is, as 6 millimeters.Such as, the design of product chambers egress hole 38 can extension coning on the direction of gravity.

In addition, the opening 35 of product chambers can comprise the entrance 40 that a flushing connects 39, such as, just in time in the bottom of emptying chamber 24.Preferably, such as, entrance can design tangentially.After container is drained, the commingled water being such as mixed with CO2 can by rinsing connection 39 and entrance 40, and be supplied to region immediately below product chambers and/or emptying chamber products export hole 36, product chambers then can rinse by this way.

In addition, for receive product 33 and/or mixing/mixing can 43 of sparge water can be arranged in the below of egress hole 38.

Reference number as used herein is as follows:

1 bag film/laminated film bag

2 predetermined breaking-downs point

The position probing of 2a bag film

The height of 3a bag film

The length of 3b bag film

The width of 3c bag film

4 diagonal positions

The center of 5 bag films

The bottom of 6 bag films

Wall/bag the layer of 7 bag films

The inner wall layer of 8 bag films

The barrier layer of 9 bag films

The outer wall layer of 10 bags of layers

The degree of depth of 11 predetermined breaking-downs point

The width of 12 predetermined breaking-downs point

The predefined breaking-down point of 13 stars

The difform predefined breaking-down point of 13a

The center of 14 predetermined breaking-downs point

The lid of 15 predetermined breaking-downs point

The tongue of 16 lids

The pumping equipment of 17 bag films

The pressure device of 18 emptying bag films

Piston/the pressing plate of 18a pressure device

The size of 19 pressure devices

The outer rim of 20 pressure devices

The mat of 21 pressure devices

22 compressible mats

The protrusion of the mat of 23 compressions

24 emptying chambers

The inwall of 25 emptying chambers

Distance between 26 emptying locular walls and pressure device

The bottom of 27 emptying chambers

The sealing of 28 containers bottom emptying chamber

The bag film of 29 skies

30 skies or the protrusion that is substantially empty bag film and/or predetermined breaking-down point open the protrusion of front bag film

31 skies or the outside shape of the predetermined breaking-down point that is substantially empty bag film

The product chambers of 32 pumping equipments

Product in 33 bag films

Foaming in 34 bag films

The volume of 35 emptying chambers

The egress hole of 36 emptying chambers

The egress hole of 38 product chambers

The flushing of 39 product chambers connects

40 rinse the tangential inlet connected

41 in bag film evacuation procedure the angle of spray of product

Product in 42 product chambers gathers

43 mixing cans

Claims

1. laminated film bag (1), it is for storage food, there is one bag of layer (7), described bag layer (7) comprises at least one skin (10), a barrier layer (9), and an internal layer (8), described barrier layer (9) is set to for intercepting oxygen and/or light, it is characterized in that, described laminated film bag is included in the predetermined breaking-down point (2) on laminated film bag, described breaking-down point (2) is more than 100kPa, 150kPa, 200kPa, outwardly and tear under the pressure of 400kPa or 500kPa, and tear without any the part of laminated film bag, wherein said predetermined breaking-down point (2) is positioned on the skin (10) of laminated film bag (1), and described predetermined breaking-down point is positioned at the center of skin (10).

2. laminated film bag according to claim 1 (1), it is characterized in that, described laminated film bag has rectangular shape and/or comprises a weld seam at least side, and the pressure that weld seam/many weld seam bears is on the range of pressure causing described predetermined breaking-down point to be opened.

3. laminated film bag according to claim 1 (1), it is characterized in that, described predetermined breaking-down point comprises an antipollution lid (15), wherein said lid is fixed by adhesives, and comprise the tongue (16) of a lid, wherein, lid (15) manually or is mechanically removed by the tongue (16) of lid.

4. laminated film bag according to claim 1 (1), is characterized in that, described predetermined breaking-down point (2) is produced by the effect of light.

5. laminated film bag according to claim 1 (1), it is characterized in that, the degree of depth of the described predetermined breaking-down point (2) in described laminated film bag skin is no more than the distance between barrier layer (9) upper surface and skin (10).

6. laminated film bag according to claim 1 (1), is characterized in that, the size that described laminated film bag has is, its aspect ratio length and width all little.

7. laminated film bag according to claim 1 (1), is characterized in that, described laminated film bag comprises a position detection marks.

8. laminated film bag according to claim 1 (1), it is characterized in that, before described predetermined breaking-down point (2) is torn/opens, under the effect of the pressure, described predetermined breaking-down point (2) outwardly convex, and form a protrusion.

9. laminated film bag according to claim 1 (1), is characterized in that, wherein said food is beverage concentrate.

10. substantially do not leave the method for any residue ground laminated film bag of emptying aforementioned claim wherein described in (1), comprising laminated film bag is placed in emptying chamber (24), wherein, relative to the width of emptying chamber and the length of emptying chamber, the physical dimension of emptying chamber is applicable to the width of laminated film bag and the length of laminated film bag, and apply pressure on laminated film bag by pressure device, thus form a protrusion (30), when laminated film bag layer (7) over expansion in predetermined breaking-down point side, then open the predetermined breaking-down point of the heart wherein, and laminated film bag is drained substantially, almost do not leave any residue, wherein said pressure device (18) moves with a predefined speed, to apply pressure on laminated film bag, wherein laminated film bag to be discharged in product chambers (32)/on, and after emptying laminated film bag, use irrigation to rinse the part of product chambers and laminated film bag, use bubble-tight or be mixed with the commingled water of CO2, product and described irrigation can be found thus in mixed cylinder (43).

11. methods according to claim 10, mat (21) wherein by being connected to pressure device (18) bottom applies uniform pressure on the surface of laminated film bag (1), and mat (21) is compressed under stress.

12. methods according to claim 11, wherein, when pressure be applied to emptying chamber (24) bottom (27) emptying laminated film bag on time, described mat (21) is compressed, mat (21) is forced in the egress hole (36) of emptying chamber, and by the protrusion (30) of laminated film bag layer, the surplus of laminated film bag content is squeezed out laminated film bag from described predetermined breaking-down point, and be almost emptied completely described laminated film bag.

13. according to the method for claim 10-12 wherein described in one, bubble (34) wherein in laminated film bag (1) is positioned at the high top point of drain position place bag, and in evacuation procedure, the resistates of laminated film bag content is flushed out laminated film bag.

14. for the emptying device filling the laminated film bag (1) of the claim 1 of product, comprising the emptying chamber (24) being furnished with at least one egress hole (36) and at least one pressure device (18), it is characterized in that, described pressure device (18) moves with a predefined speed, and be pre-configured to and can realize pressurization, thus cause the emptying of the laminated film bag opened and filled of the predetermined breaking-down point of laminated film bag (1), and wherein emptying chamber (24) has a flushing connection, the part of rinsing product chambers and laminated film bag is connected by this flushing, wherein use bubble-tight or be mixed with the commingled water of CO2, product and irrigation can be found thus in mixed cylinder (43).

15. devices according to claim 14, it is characterized in that, pressure device (18) is configured to speed that is predefined with one and/or continuous variable and moves, wherein said speed or higher than 0.1,0.5,1.0,2.0,5.0,10,20 or 40 mm/min, and/or be configured at 5 to 30 seconds or in 1 to 100 second, reach the pressure change of 0 to 200 or 500kPa, and/or be configured to realize pressure and be applied on laminated film bag (1) more than 50kpa, 100kPa, 200KPa, 400kPa or 500kPa.

16. devices according to claim 14, is characterized in that, the bottom of described pressure device comprises the piston being furnished with compressible mat (21), and described compressible mat (21) is an elastic body.

17. devices according to claim 14, is characterized in that, the bottom of described pressure device comprises the piston being furnished with compressible mat (21), and described compressible mat (21) is an air cushion.

18., according to the device of claim 14 to 17 wherein described in one, is characterized in that, described pressure device to the inwall (25) of described emptying chamber (24) surrounding distance (26) between 0.01 millimeter to 20 millimeters.

19. devices according to claim 18, is characterized in that, described pressure device is 1 millimeter to surrounding's distance (26) of the inwall (25) of described emptying chamber (24).