CN1759064A

CN1759064A - Method of draining a flexible container housing a viscous product

Info

Publication number: CN1759064A
Application number: CN200480006603.7A
Authority: CN
Inventors: 弗雷德里克·莫热; 朱利安·克拉普莱; 弗雷德里克·让
Original assignee: Rhone Poulenc Chimie SA
Current assignee: Rhodia Chimie SAS
Priority date: 2003-02-13
Filing date: 2004-02-03
Publication date: 2006-04-12
Anticipated expiration: 2024-02-03
Also published as: UA85671C2; FR2851241A1; FR2851241B1; CN1759064B

Abstract

The invention relates to a method and a kit for draining a flexible container housing a viscous product which is selected from the group of products having a viscosity of between 10 Pa.s and 200 000 Pa.s, e.g. silicon gums or oils. The inventive draining method essentially consists in: using a flexible container (3); optionally, moving the container (3) to be drained from the storage site thereof to a drainage site; ensuring that the viscous product (2) can flow from the container (3) through at least one outlet (9) which is preferably disposed in the lower part of same; exerting a pressure on at least one defined area of the flexible container (3) using pressurising means which preferably consist of at least one pressure member (5) and/or a pressure fluid, such as to (i) maintain the container (3) in the inflated or partially-inflated state and (ii) hasten the flow; and, finally, removing the pressure once the container has been drained. The drainage kit consists of the viscous product (silicon mastic), a big-bag-type flexible container (3) and a draining device comprising at least one pressure member [piston (5) or set of rollers] and/or a pressure fluid.

Description

Emptying accommodates the method for the flexible container of viscous product

The present invention relates to continuously a kind of or discharge the method be contained in the viscous product in flexible container, especially the sack type container discontinuously, wherein carry out emptying by the opening that is positioned at the flexible container bottom.

The invention still further relates to a kind of emptying external member, it is particularly including an equipment that is used for discharging the viscous product that is contained in flexible container.

The viscous product that the present invention relates to refers in particular to those and uses known method at 25 ℃ and 0.01s ^-1The viscosity measured down of shear gradient be at least 10Pa.s, and preferred 10 to 200000Pa.s product,, i.e. silicone oil; Silica gel; Can form the elastomeric constituent polyorganosiloxane composition form of aqueous emulsion (randomly with) by addition polymerization, polycondensation or dehydrogenative condensation (gathering) cross-linking reaction; That injects solvent or water-bearing media comprises active organosilicon the group organic polymer and the composite of (being called the MS poly-mer), and it comprises acrylic polymer and can be by the dry elastic body that be cross-linked to form.Particularly, it can be silicone putty (silicone putties) or other viscosity polymerization product such as polyurethanes or viscosity printing ink.

Viscous product the perfusion or be expelled to other container before or be packed into other the packing before, can be stored in force in the sack type flexible container.

With regard to discharging product or carrying between container, the heavy body of these pasty products is the important techniques restriction naturally.

With the similar field of the present invention in, i.e. the field of the graininess/dusty material of lazy flow, patent application DE-A-3429167 has described a kind of method and apparatus that emptying holds the flexible container of granular product in batches that is used for.According to the document, on the one hand this sack type flexible container is that handle with its outfit is hanging, it is inclusive in the feeder hopper on the other hand, and this feeder hopper can rotate mobile eccentric stent by one and two other support that is installed on the spring shakes.As if this oscillating mode emptier be not suitable for being contained in the viscous product in the soft sack.

The known technology that also has emptying that the rigid cartridge of viscous product is housed by the cartridge type compression machine, this cartridge type compression machine comprises a pressing plate, be used for being pressed into tube and in tube, move, under pressure, to discharge the viscous product that is contained in the foil-type plastic bag of making such as polyethylene.

Also have the method for discharging the extrudate that contains viscosity silicone product by a kind of equipment, this equipment is formed by a pipe that is used to receive extrudate, and a piston that is used to push viscous product is wherein arranged, and piston can move and make extrudate be discharged from outside the pipe.

Also comprise the system of the container that is used for emptying stiff cardboard box composition in the lot of background technology, wherein accommodate the thin Polythene Bag that viscous product is housed in the cardboard case.This class container carries out emptying by means of pressing plate, and this pressing plate can be discharged viscous product in Polythene Bag, and before viscous product was transported to downstream components, described viscous product was then collected by the pump of collecting viscous product.

Last these three kinds of known technologies have exceeded scope of the present invention, scope of the present invention be emptying sack type flexible container rather than in these technology used special use and complicated container (tube, jar, steel container or special-purpose carboard).

Here, basic purpose of the present invention provides the method that the flexible container of viscous product is equipped with in a kind of emptying, and this method should be used easily and be economical.

Another basic purpose of the present invention provides a kind of emptying capacity more than or equal to 250 liters and the method for the container of viscous product is housed.

Another basic purpose of the present invention provides the method that the flexible container of viscous product is equipped with in a kind of emptying, this method is simple and economical, and produces few spillage of material, for example is less than or equal to 1.5%, or even 0.8%, and require few cleaning apparatus or do not need cleaning apparatus.

Another basic purpose of the present invention provides a kind of external member that the sack type flexible container of viscous product is equipped with in emptying that is used for, it has simple and economical structure, and can the emptying capacity more than or equal to 250 liters soft bag, it uses simple and produces few spillage of material (being less than or equal to 1.5%), and seldom or not needs to clean.

Another basic purpose of the present invention provides the external member that the flexible container of viscous product is equipped with in a kind of emptying, and wherein flexible container meets industrial transport and supply requirement best.

Especially can reach these purposes by the present invention, the present invention at first relates to the method that a kind of emptying accommodates the flexible container of viscous product, it is characterized in that following points:

● viscous product is selected from the product that viscosity is at least 10pa.s, and preferred viscosities is 10 to 200000pa.s, i.e. silicone oil; Silica gel; Can form the elastomeric constituent polyorganosiloxane composition form of aqueous emulsion (randomly with) by addition polymerization, polycondensation or dehydrogenative condensation (gathering) cross-linking reaction; , the organic polymer that comprises the active organosilicon group (being called the MS poly-mer) and the composite of injection solvent or water-bearing media, it comprises acrylic polymer and can be cross-linked to form elastic body by drying;

● this method consists essentially of:

-use flexible container;

-will treat that the container of emptying randomly moves to evacuate position from its storage location;

-guarantee at least one discharge orifice so that the viscous product flow container, preferred discharge orifice places the container bottom;

-to exert pressure at least one localized area of flexible container by means of pressure device, it preferably is made up of at least one pressure-producing part and/or pressure fluid, on the one hand container is remained on the state of expansion or demi-inflation, quickens on the other hand to flow;

-decompression when emptying finishes.

The contriver successfully develops a kind of method that the flexible container of viscous product is equipped with in emptying that is used for, thereby can not re-use inconvenience, huge and complicated conventional container.

Keep container or soft bag to small part to be in the feature of swelling state, especially can overcome problem, the problem of contaminated materials and the problem of spillage of material that the convention liner bag blocks discharge orifice; The latter can partly solve at least by method of the present invention, and method of the present invention allows to be compressed into pleat (or as concertinist) thereby spillage of material is minimized.

Another advantage of the inventive method is to use capacity greater than 250 liters of containers of 1000 liters for example, with regard to filling and discharge viscous product, can significantly improve capacity rating.

Should be pointed out that in this manual all viscosity numbers of using corresponding to known method 25 ℃ with the 0.01s-1 shear gradient under the viscosity measured.

Thereby one of essential characteristic of the present invention is to use for example sack type flexible container.A kind of like this container is favourable, although the wall of container of this container is soft, yet remains mechanically robust and does not preferably have leakage loss for described viscous product.

According to preferred feature of the present invention, this wall of container consists essentially of:

● at least one provides the element of mechanical strength, and it comprises one deck or above sheet material, and these sheet materials are same to each other or different to each other, preferably fabric;

● and randomly comprise at least one packing element, this element is formed by following material: (i) one deck is preferably the polymer film of coating form at least, and/or (2i) at least one no leakage loss liner bag, this liner bag is by one deck or the above synthetic polymer membranes (polyolefin especially that is selected from, be more preferably polyethylene kind, polypropylene type, polyesters or polyamide-based) or the material of metal (especially aluminium) form, this liner bag is fixed on the wall elements that mechanical strength is provided at least, even more preferably closes and/or be sewn onto on the described element to the small part glue bond.

By the container that a kind of so soft shell forms, with regard to the protection viscous product, be enough packings.Be used in the rigid container transporting and the Polythene Bag of its emptying is compared with being positioned over known method, this container is the independent packaging of being convenient to transport, and for example places it in simply that plate (palette) is gone up and fixing, and perhaps it also can be positioned in the container that other purging method do not relate to.

Be lined with for example fabric (for example polypropylene) bag of thin multilayer bag (polyethylene/aluminium/polyethylene terephthalate) in according to the soft outer casing container of the inventive method for example can being, the gluing combination of this multilayer bag and/or be sewn onto on the fabric, described container is optional advantageously is furnished with handle, thereby can operate with its suspension and with band winch or forklift.

These flexible containers or sack can have high capacity, and for example capacity is between 500～2000 liters.

Especially with regard to transportation and storage, this soft outer casing container can be handled easily.For example, can avoid the supply chain rotation of the complexity of can.

As the product of viscosity grade 3000Pa.s, for example the silicone putty can be used as the example of viscous product of the present invention.

According to method of the present invention, large-scale rate of discharge can be provided, it can be realized by changing outlet diameter or the change institute applied pressure value relevant with described product viscosity.

In the method, desirable cleaning economy is to obtain by the material surface area that contacts with product is minimized.

According to the favorable characteristics of the inventive method, the discharge orifice of container can obtain like this:

-by cutting wall of container;

-and/or be installed to one or with the stopper or the capping (capsules) of upper outlet by removing, and in such cases, described outlet can be furnished with the mouth of pipe (spout) in order to outside the amount discharge container wall;

-and/or by removing the band that is provided in closing any opening on the container.

Therefore, in fact can excise the part wall of flexible container or be equipped with the mouth of pipe, perhaps untie the band and/or the knot of closing any opening to it.

First embodiment according to the inventive method, the emptying equipment that is provided comprises that on the one hand at least one has the pressure element of at least one piston, also comprise at least one emptying vessel on the other hand, these vessel are used to receive the container that will be drained or its liner bag only randomly, be designed to female part with it, when this female part can move at the piston of pressure element with its mutual action and it is played guiding function, particularly with flexible container or the consistent working direction of the compression aspect of its liner bag only randomly.

Variation embodiment according to first embodiment:

● the emptying vessel are designed to can (hermetically) closure;

● piston can move under the pressure fluid effect.

Under the embodiment that changes, it is favourable using the pressure fluid that is contained in the expandable jack (jack) according to the present invention, this jack is arranged between the reversible closing lid of piston (5.1) and vessel (6) and is connected to the pressurized-fluid supply device that is used for its expansion, thereby can mobile piston (5.1), so that viscous product (2) is discharged from vessel (6).

Second embodiment according to the inventive method:

● the emptier that is provided comprises the emptying vessel that at least one can pressurize, and it is used for receiving the flexible container for the treatment of emptying or its liner bag only randomly;

● these vessel by pressure fluid device pressurization in case in the vessel discharged liquid product.

According to the 3rd embodiment of the inventive method, the emptying equipment that is provided comprises:

● on the one hand, at least one has the pressure element of at least one group of assembly, and this assembly comprises at least one roller element and at least one reverse rollers element, be preferably at least two substantially parallel and along its roller of moving of axle rotation separately;

● on the other hand, be used to hang the device of flexible container so that opening is set in the bottom;

Assembly is such design-calculated, so that two rollers can move down and roll simultaneously the flexible container that moves between two rollers, roller is randomly driven by the rotation of at least one motor, this mechanization can be randomly with the mechanization of the flexible container that preferably hangs upwards traction combine or by its replacement.

Used fluid can be gas or liquid in the variation embodiment of first embodiment and second embodiment.It can be the liquid that viscosity is less than or equal to 50Pas.Water can be suitable for such purpose fully.

Although need not to be equipped with the mechanical collection of viscous product at container exit, still effective according to method of the present invention, must transport or pass conduit in far range produces under the situation of big pressure loss, perhaps in order to obtain economic interests thus, by (for example: pump being used for the mechanical element of viscous product emptying, screw rod, twin screw) it also is fully feasible providing boosting.

According to a kind of embodiment, the viscous product of discharge can be transferred to memory storage or packing device.

According to a preferred version of the present invention, the viscous product of only being discharged in its liner bag in flexible container or randomly, with a suitable flow velocity that is greater than or equal to the package component consumption, be supplied at least one packs described product with suitable manner of packing assembly.

Although high as far as possible flow velocity is favourable (for example the viscous product flow velocity for 1000Pa.s surpasses 50 liters of/minute kinds) with regard to the mono-emptying, being beneficial to provides optimum productivity, with regard to supply packing, it also is desirable that high moment flow velocity (for example can greater than 1 liter/per minute) can be provided.Flow velocity depends on all parameters (viscosity, pressure reduction, the geometry of delivery channel) of poiseuille (Poiseuille ' s) law and the key element that hinders viscous product to discharge naturally: valve, filter, roughness.

Explanation for example, package component especially can be that with the suitable flow velocity more than or equal to the package component consumption, wound packages (cartridging) viscous product is the equipment of silicone putty (" product (cartridger) in the tube ") particularly.

According to another preferred version of the present invention, from the flexible container or the viscous product of randomly only discharging from its liner bag, be supplied to the storage viscous product device and/or in order to mobile viscous product to increase the mechanical device of its flow velocity, described mechanical device is preferably selected from pump or (two) screw rod.

Certainly, with regard to emptier and be arranged in that the downstream is used to pack, with regard to the number of the device of storage or mechanical collection, method of the present invention is unqualified to it.

Comprise the flexibility of utilizing the container that accommodates viscous product according to method of the present invention, by on the wall of flexible container, exerting pressure, this pressure almost is transferred on the viscous product fully so that container to small part is kept swelling state, thereby viscous product is discharged.Viscous product by in flexible container opening (for example by cutting, the stopper of outwarding winding is via discharging the mouth of pipe) or carry out continuous or discrete discharge by installing link to each other of being equipped with in the element or above opening of interior or emptier downstream.The swelling state of flexible container is to be caused by the pressure that only is applied to its surface part, and can make the lasting tension force of maintenance in the wall of container, thereby has avoided the folding arbitrarily risk that is easy to cause stopping up the viscous product outlet opening.

Under the situation of directly emptying, applied pressure is for example between 1 to 6 crust, and adjustment pressure makes the discharge velocity of viscous product more than or equal to the consumption of the component arrangement that is arranged in device downstream.

When emptying finishes, according to the present invention with flexible container (with therefore this product) decompress(ion) partially or completely.

If when the container for the treatment of emptying has storage location rather than evacuate position, any residual viscosity product of flexible container and Qi Nei is returned to the storage location.Randomly operation is as far as possible enough fast, finishes to begin calculated example as time of ten minutes at the most to next product emptying thereby can pass through from the before-mentioned products emptying, can not discharge another kind of viscous product with preceding kind of product with mixing.

Method of the present invention comprises:

Control or design flexible container make its size and characteristic be very suitable for the emptying condition;

Flexible container is transported to evacuate position from its storage location and/or transfer cask;

The compression flexible container is so that spillage of material minimizes and avoid to stop up the risk of discharge orifice between its removal period;

The intensity of flexible container can be not breakdown under pressure;

The pressure between removal period and the numerical value of flow parameters;

Transfer time between two different viscous products;

The circuit of advancing with viscous product, itself so that pollute minimum number need the element that cleans subsequently, if possible only be disposable or removable element (for example flexible container and/or its disposable liner bag and soft connecting duct, when when a kind of viscous product becomes another viscous product, it needs to change).

According to another aspect of the present invention, the present invention relates to be used to implement the external member of above-mentioned qualification method, wherein this external member is characterised in that it comprises:

● viscous product, be selected from the product of viscosity more than or equal to 10Pa.s, preferred viscosity ranges is 10Pa.s to 200, between the 000Pa.s;

～promptly, silicone oil; Silica gel; Can pass through addition polymerization, polycondensation or dehydrogenative condensation (gathering) cross-linking reaction forms elastomeric polysiloxane composition (non-imposed aqueous emulsion form), inject the organic polymer that comprises the active organosilicon group (being called the MS poly-mer) and the composite of solvent or aqueous medium, it can comprise acrylic polymer and be cross-linked to form elastic body by drying;

The flexible container of～mechanically robust, it does not have leakage loss and preferably being equipped with for viscous product and is used to the handle that promotes and/or hang;

～emptying equipment, it comprises at least one pressure element and/or at least a pressure fluid;

～at least one assembly randomly, this assembly are used for suitable manner of packing packing viscous product;

～randomly being used for mobile viscous product and increasing the mechanical device of its flow velocity, described mechanical device is preferably selected from pump or (two) screw rod;

～and optional memory storage.

According to a favorable characteristics of the present invention, preferably the wall of flexible container comprises:

At least one provides the element of mechanical strength, and it comprises one deck or the above sheet material that is same to each other or different to each other, and is preferably fabric;

With at least one optional packing element, it is formed by following material: (i) one deck is preferably the polymer film of coating form at least, and/or (2i) at least one no leakage loss liner bag, this liner bag is by one deck or the above synthetic polymer membranes (polyolefin particularly that is selected from, be more preferably polyethylene kind, polypropylene type, polyesters or polyamide-based) or the material of metal (especially aluminium) form, this liner bag is fixed on the wall elements that mechanically robust is provided at least, and even more preferably closes and/or be sewn onto on the described element to the small part glue bond.

Especially preferred, flexible container has mechanically robust and based on the no leakage loss wall of fabric, and the weight of the uncoated state of this fabric is 100 to 300g/m ²Between, the thickness range of liner bag is between 5 to the 500 μ m.

In fact, it can be that to be used to make 1000 liters of containers, density be 150 to 300g/m ²Polypropylene fabric.

The liner bag for example is gluing combination or inside or the outside that is sewn onto the mechanically robust wall.Should approach the thickness of liner bag between 10 to 250 μ m.The fabric thickness that should be understood that wall and liner bag depends on desirable mechanical strength and physical chemistry protection.

Randomly, flexible container is equipped with one or the above emptying mouth of pipe, and its structure can be identical or different with the structure of flexible container.

Certainly, optional each mouth of pipe that provides can be used for emptying or fill described container on flexible container, and can for example use the band of stopper or knotting to be further used for closing any opening.Stopper can be made up of welding and/or gluing joint.

Each optional mouth of pipe can further constitute the element that flexible container is connected to the storage location, downstream, and this storage location, downstream is used for mechanical collection or packing.

According to of the present invention one preferred embodiment, flexible container has at least one big opening or the so-called full opening that opens wide so that charging.Big opening can be by welding and/or knotting and/or gluing joint closure.Opposite with the above-mentioned opening and/or the discharge mouth of pipe, preferably only so big opening is used for charging.

According to first embodiment, emptying equipment comprises that on the one hand at least one has the pressure element of at least one piston, comprise at least one emptying vessel on the other hand, it is used to receive the flexible container that will be drained or its liner bag only randomly, the emptying vessel are designed to female part, this female part plays guiding function with its mutual action and to it when can move in the male part that the piston of pressure element constitutes, particularly with flexible container or randomly only be the consistent working direction of compression aspect of its liner bag.

In the first embodiment, even more preferably following emptying equipment:

● the piston of pressure element has (circular) head that is connected with bar, it is used for carrying out motion of translation repeatedly with fixing jack mutual action so that drive, described jack is installed on the fixed sturcture, and described head is used to be pressed into emptying receptacles so that the compression flexible container;

● and the emptying vessel, it comprises the evacuation port of at least one viscous product and preferably is equipped with mobile device (preferred roller), preferred its formed by being used to receive the hollow circuit cylinder that flexible container and piston head can slide within it, head be preferably circle and its diameter preferably can be enough near the internal diameter of container so that can guarantee not have leakage loss for viscous product, advantageously, by means of the O-ring packing that is preferably mounted on piston head chamfered edge and the container inner wall periphery.

According to the variation embodiment of the 3rd embodiment, the emptying vessel be designed to can (hermetically) closure and piston can under the pressure fluid effect, move.

In the scope that changes embodiment, according to the present invention, emptying equipment advantageously comprises expandable jack, and it is arranged between the reversible closing lid of piston and container and is connected in order to the pressure fluid feeding mechanism with its expansion, mobile piston is discharged viscous product in container then.

Preferably, the pressure fluid feeding mechanism comprises at least one pressure fluid memory device, the device that is used for the transmission pressure fluid and conduit, and catheter cartridge has these devices and pressure fluid memory device and inflatable jack are coupled together.

In fact, pressure fluid for example is selected from incompressible fluid, is preferably selected from water or oil, perhaps is selected from the fluid that can compress, and is preferably air.

According to second embodiment, emptying equipment comprises at least one emptying vessel, and it is used to receive the flexible container for the treatment of emptying or its liner bag only, can be by the pressure fluid device with its compression in vessel, to discharge viscous product.

In the variation embodiment of first embodiment and second embodiment, be applied to the pressure fluid that the partial pressure on the flexible container is made up of any liquid state or gaseous fluid from (indirect or direct), preferred liquid, pressure is less than 50Pa.s.This is to take the emptying vessel are designed to as autoclave, and it has the outlet that at least one can open and close, and this outlet is used for introducing and/or the hold-off pressure fluid.Certainly, this autoclave-type emptying receptacles also comprises the opening of at least one viscous product.

According to the 3rd embodiment, emptying equipment comprises the pressure element with at least one group of assembly on the one hand, this assembly comprises at least one roller element and at least one reverse rollers element, be preferably at least two substantially parallel and along its roller of moving of axle rotation separately, comprise on the other hand being used to hang the device of flexible container so that opening is set in the bottom; Assembly is such design-calculated, so that two rollers can move down and roll the flexible container that moves between two rollers, roller is randomly driven by the rotation of at least one motor, this mechanization can be randomly with the mechanization of the flexible container that preferably hangs upwards traction combine or by its replacement.

The emptying equipment of the 3rd embodiment even more preferably such:

● flexible container is equipped with at least one handle of clamping with its suspension at an upper portion thereof, has at least one viscous product discharge orifice in the bottom, and randomly it is equipped with the mouth of pipe, and container advantageously has the outer whole pyriform profile that part forms substrate of opening;

● two rollers can mechanization also can not mechanization, two rollers are arranged in any side of flexible container so that push flexible container when it moves down, and the system of wheelbase was to adapt to the extruding level of flexible container in described roll assembly was equipped with and is used to adjust.

In first and second embodiments, form according to equipment of the present invention according to these embodiment emptying receptacles, preferred flexible container is selected like this with the size of its separable liner bag of choosing wantonly, makes that this container keeps the state of expansion or demi-inflation in pressure process.Only therefore flexible container and/or its liner bag keep tension force, and it has limited undesirable folding risk, and this folds and may cause stopping up discharge orifice.Thereby, adopt the emptying vessel to have substantially the same shape with flexible container and/or liner bag, the size of preferred flexible container and/or liner bag is than little 2% to 15% the ratio of size of emptying vessel.

In the 3rd embodiment, reverse rollers randomly is the plate that links to each other with or above roller.Without any restriction, plate also can be replaced by smooth upholder, and it for example can be vertical wall or horizontal plane (floor).

When using plate and two rollers, a roller is installed on the face of plate, and another plate is installed on another face of plate and suits, and flexible container is inserted between a roller and the plate.Such layout can balancing force.

According to another favorable characteristics of the present invention, flexible container and/or its liner bag do not have irregular surface (for example vertical suture or vertical protrusion or projection) in basic vertical direction, on its at least a portion highly, so that flexible container and/or its liner bag contact with the inside face of emptying vessel and produce anchor ring join domain basically, thereby formation is to the obstacle of viscous product.Can prevent between removal period that viscous product from moving, and makes vessel inside can not polluted by viscous product basically between the wall top of vessel inside face and flexible container and/or liner bag like this.

According to following elaboration, and provide non-restrictive example, two preferred embodiments of promptly described emptying external member, and some variation pattern, and with reference to the accompanying drawings, will more be expressly understood method of the present invention and emptying external member, wherein:

Fig. 1 represents the sketch of a kind of embodiment of emptying external member of the present invention.

The sketch of the variation embodiment of Fig. 2 presentation graphs 1 embodiment.

Fig. 3 represents the sketch of the another kind of embodiment of emptying external member of the present invention.

Fig. 1 illustrates the external member that is used to discharge viscous product (viscosity＞50Pa.s, for example the silicone putty of 3000Pa.s), and it comprises and is used to discharge the equipment 1 that is contained in the viscous product 2 in the flexible container 3.

Emptying equipment 1 comprises structure or framework 4, and jack 5 is fixed on structure or the framework 4, and jack 5 comprises piston 5.1 and very heavy acrosome 5.2.The latter is used for driving pressure piston 5.1.The latter's maximum outside diameter is than the minimum diameter of vessel slightly little (little 0.1% to 2.5%).

Be equipped with the emptying vessel 6 of roller 7, constitute another element of emptying equipment 1.Emptying vessel 6 are the monnolithic cases that open wide and have flat cylinder, have the discharge conduit 8 of viscous product 2 in its underpart.To the resistance of pressure be furnished with roller 7 it is moved easily.

Flexible container 3 is contained in emptying vessel 6 inside.Flexible container 3 forms discharge orifice 9 in its underpart, it is towards the emptying conduit 8 of emptying vessel 6.With flexible container 3 after its storage location and/or transporting position are transported to the evacuate position that is limited by emptying receptacles 6, by pressure element-5,5.1, before 5.2 pressurizations, form discharge orifice 9 just.

Flexible container 3 has shell 10, and it comprises:

● arbitrary multilayer mechanically robust wall (for example being made by polypropylene fabric) is randomly sewed up and/or glue bond is incorporated into the thin Polythene Bag of inner fabric wall;

● or only from the inner liner bag of extracting out of flexible container.The CONSTRUCTED SPECIFICATION of shell ~ 1 will give more detailed description in the accompanying drawing below.

Flexible container 3 should design with the minimal losses of guaranteeing material so particularly less than 2%.

Flexible container 3 preferably has the sack type container of cylindrical bottom portion, does not have vertical suture, and its diameter is slightly smaller than the diameter of emptying vessel 6, and the expansion that flexible container is stood when with box lunch it being pressurizeed makes the wall of flexible container 2 keep tension force in evacuation procedure.Under current mentioned situation, this wall is made up of polypropylene fabric, and polypropylene fabric has the internal layer of gluing combination, and this internal layer is formed by the thin polyethylene liner of gluing combination.Such mechanically robust wall has protective effect in transportation and storing process, its internal layer (inside liner) guarantees not have leakage loss in evacuation procedure simultaneously, and when it was pressurizeed, viscous product only flowed out from the evacuation port of flexible container shell like this.

Realize no leakage loss by being equipped with O-ring packing 11 between the inside face of piston head 5.1 (pressure element) and emptying vessel 6, the sealing part forms and stops viscous product 2 to move to the barrier of piston head 5.1 tops.O-ring packing 11 for example its cross-sectional plane has the diameter of 50mm ± 20mm, its length equals the internal circumference of emptying vessel 6, be preferably the compressibility of elastomeric material like this by the material of regulating formation O-ring packing 11, can guarantee the continuity of O-ring packing 11.It is arranged in the space that the annular region of cylindrical emptying vessel 6 inside faces and piston 5.1 diagonal planves (45 ° of chamferings) limit.Using chamfering is for applying oblique force on elasticity O-ring seals 11, thereby makes its inside face that perfectly is pressed on vessel that good no leakage loss is provided.

By forklift or movable crane, flexible container for example is transported to evacuate position from its storage location.For carrying out this operation, preferred flexible container for example has one or above firm handle, and feedway promotes it by this handle.

According to the embodiment of a variation, delivery channel 8 can be arranged on the piston head 5.1.Owing to have pressure reduction between the inside and outside pressure of flexible container 3, delivery channel 8 allows viscous product to discharge from emptying vessel 6.The diameter of delivery channel for example is 76mm.

Delivery channel 8 can comprise flexible pipe, and it can be transported to viscous product 2 and be arranged in that the downstream is used to pack, the device of storage or mechanical collection.This flexible pipe advantageously can dismounting, so that it can be replaced each product that is used for being discharged from.

Change embodiment according to other, can provide a plurality of discharge orifices viscous product 2 to be assigned to a plurality ofly to be used to pack, the device of storage or mechanical collection with this.

According to the receptor in delivery channel/flexible pipe 8 downstreams (wrapping machine (for example wound packages machine (cartridger)) for example, collecting pump, mixing screw, under specified pressure or the container under the barometric pressure) flow velocity that received, and the size of the receiver element that passes through according to the downstream, can there be certain pressure at 8 places in outlet.This pressure is less than or equal to the pressure that viscous product 2 is subjected in flexible container 3.

Owing to there is pressure-applying unit 5 (piston 5.1 and jack 5.2), make and can on flexible container, exert pressure, because product 2 is viscosity and desired flow velocity height, so pressure quite big (for example up to 6.5 crust, also not having technical difficulty).Use first approximation by Poiseuille law especially with experience, the pressure P that therefore product 2 that is held in the flexible container 3 stands=(8QNL)/π R ⁴, the relative pressure represented with pascal with respect to barometric pressure of P=wherein, Q=is desirable with m ³The volumetric flowrate that/s represents, the equal length of the delivery channel 8 that the kinetic viscosity of the product that N=represents with Pa.s, L=are represented with m and the radius of the described conduit 8 of R=.

According to method of the present invention, the distortion of flexible container is controlled in evacuation procedure, and container can not torn and can be best folding and do not stop up discharge orifice 9 like this.

Volumetric flowrate is measured with the quality that flows through in the given time and the density of product 2.

For those skilled in the art, have multiple mode can form discharge orifice 9:

● by delivery channel 8 with parting tool (for example blade) thus introduce and to pierce through flexible container 2.It is favourable piercing through when container 2 does not also pressurize, and should take essential measure to determine the position of perforation simultaneously.

● use the discharge mouth of pipe (mouth of pipe can be the mouth of pipe that before be used for charging) integrally formed with flexible container 2, this mouth of pipe can be opened by cutting its closing end, the for example described in the case mouth of pipe can advantageously be entered delivery channel 8 by cutting thread, and it is routine operations in those skilled in the art's scope that this mouth of pipe is connected to delivery channel 8.

● open the stopper that is provided on the flexible container 2, be connected to for the short tube of opening except that unstopper (neck), delivery channel 8 direct connections also are fine by the short tube of opening except that unstopper with regard to discharging the mouth of pipe.

Fig. 2 illustrates the similar equipment with above-mentioned Fig. 1, is used to wherein realize that the pressure fluid that pressurizes is contained in the soft inflatable jack 12, and jack is arranged in the emptying vessel 60, at the dividing plate that forms piston 5.10 with cover between 13.By using the reversible securing device by 14 expressions of Reference numeral among Fig. 2, the latter can be by the reversible top that is fixed to emptying vessel 6.Device 14 for example is a bolt.

Soft expansion jack 12 for example can be by the commercially available type of PRONAL.

Emptying vessel 60 for example can be capacity as 1000 liters stainless steel ware.

In an opposite side of soft expansion jack 12, relative with dividing plate/piston 5.10, emptying receptacles 60 holds the flexible container 30 that comprises viscous product 2 in its underpart.The bottom of flexible container has discharge orifice 90.With according to the method identical, before pressurizeing, on flexible container 30, form discharge orifice 90 just by means of soft expansion jack 12 with Fig. 1 embodiment.

Elastic sealing element 110 is inserted between dividing plate/piston 5.10.Elastic sealing element 110 is O-ring packings, and it is carried out with Fig. 1 internal label as mentioned above is 11 parts identical functions.Thereby piston plate 5.10 either sides are for the viscous product 2 no leakage losses that comprised in the flexible container 30.

By the pipe 17 that is equipped with transmitting device 17, soft expansion jack 12 is connected on the pressure fluid memory device 16.

According to the present invention, pressure fluid can be an incompressible fluid, promptly as the liquid of water or oil, and perhaps compressible fluid air for example.

At it is incompressible fluid for example under water or the oil condition, and device 17 is used for the fluids in the memory device 15 are transferred to soft inflatable jack 12 through managing 16, and device 17 is made up of for example suitable pump.When pressure fluid was formed by pressurized air, described transmitting device 17 was corresponding with pressurized air lines, and pressurized air lines has all known suitable parts (valve, switch etc.).

Pressure fluid is preferably incompressible fluid for example oil or water.Preferably in soft inflatable jack 12, provide the cushion rubber that is filled with coercible gas (for example air) then.Such cushion rubber plays the effect of energy disperser, and it can make flow rate of fluid steadily also limit or even eliminate the delay time that viscous product flow to emptying vessel opening.

Use the advantage of soft inflatable jack 12 to be embodied in economy and ease especially.And inflatable jack 12 adds any extra obstacle for the emptying vessel.Therefore be easy to the imagination and use dual system that it also can be operated in wait time, this will significantly improve capacity rating.

Another advantage that is provided by the variation embodiment of Fig. 2 is can be easily and the such equipment of assembly and disassembly apace.

Yet according to one of Fig. 2 equipment optional useful feature, the lid 13 or even emptying vessel 60 safety valve that is used to discharge overpressure air is equipped with.

With the method identical with Fig. 1 equipment, the equipment of Fig. 2 for example is to be arranged in the upstream that is used to pack viscous product (for example being packaged in the device of (cartridges) in the tube).

The operation of the emptying equipment of Fig. 2 is very simple.Soft jack 12 makes its expansion by means of transmitting device 17, and it is relevant with the needed pressure of emptying viscous product in flexible container 30.

Fig. 3 illustrates another embodiment according to emptying external member of the present invention.This external member comprises the flexible container 21 of emptying equipment 20 and whole pyriform.

Emptying equipment 20 is made up of the roller 22,23 of at least one or two, and roller 22,23 links together by the system of bar 24, thereby the distance between the axle of roller 22 and 23 can change.

Flexible container 21 comprises that mechanically robust wall 25 and glue bond are incorporated into the liner bag 26 of wall 25 inside faces.Flexible container 21 also is equipped with delivery channel 27 in its underpart, it links to each other with the mechanical collection device of being made up of pump 28.Relative, flexible container 21 has lifting or suspension handle 29 on top.

Solid line among Fig. 3 is represented the situation before the pressurization of emptying external member, and long and short dash line is represented the situation of emptying external member when the pressurization beginning.

As horizontal arrow representative among the figure, roller 22,23 is drawn close each other so that push the top of flexible container 21.The roller of drawing close each other by this way 22 and 23 then begins to descend as vertical arrows is represented.Flexible container 21 thereby be extruded gradually to the lower end from its upper end.The viscous product withstanding pressure and the delivery channel 27 of flowing through that container 21 is contained, this pressure depends on the intensity of container.By using pump 28 that viscous product is taken out.

Can find that pressurization has the effect that container 21 is remained in swelling state by reducing roller 22,23.

In fact, the handle 29 of flexible container 21 passes through between roller 22,23, and handle 29 is for example used forklift truck lifts.By being used to control the system of interior wheelbase 24, roller 22,23 is tightened up at the either side on container top.Roller 22,23 descends under himself action of gravity along container, and viscous product is promoted downwards up at the gravity of roller be compressed between the antagonistic force of container 21 and form balance.

When discharge orifice 27 was opened, viscous product (for example silicone putty) flowed, and roller 22,23 descends, gradually all the elements thing in the squeeze receptacle 21.

In this embodiment, for example with about 35 liters/minute operated in flow rate, its discharge orifice has the diameter of 33cm, and two steel rider diameters are 10cm, and weight is 40kg (in order to adhere on the flexible container steel rider rubber-coated well).The liner bag of flexible container 21 by gluing combination or sutured to exterior polypropylene fabric 25.

The mechanization of system is provided, both container can be pulled through slack-free roller 22,23 and/or also can roller self mechanization rotation.Such mechanization only can increase the exit velocity of viscous product.

Use pump 28 can significantly increase the exit velocity (x10) of viscous product.

By the following example, replenish and describe first embodiment.

Embodiment 1

The embodiment of soft shell wound packages silicone putty from pressurization

Employed equipment is represented by Fig. 1 and as mentioned above.Or rather, this embodiment uses the compression machine that has vessel, and it is used to discharge the viscous product that is held in the vessel of diameter up to 1240mm, and described vessel bear operation pressure.

This compression machine has steel structure, and this structure accommodates jack in its upright position.The jack of diameter 20cm be hydraulic pressure and the hydraulic unit transmission 0 to 250 the crust hydraulic pressure under operate.By the pressure piston that jack drives, its diameter is 1220mm ± 3mm.Control station can be controlled the rising and the decline of jack.

Vessel have the degree of depth of internal diameter and the 1000mm of 1235mm ± 10mm, and it is by the corrosion-resistant steel manufacturing and can bear the pressure that surpasses 7 crust.

The discharge orifice of product is positioned at a side of vessel bottom.

The pressure-proof flexible pipe is connected to the outlet of vessel on the proportioner of plainly-packed machine.The length of flexible pipe is 1m, and internal diameter is 76mm.

The sack of being tested is the circular fabric sack of girth 3640mm, promptly much smaller than the interior girth of vessel.This sack has smooth cylindrical bottom portion, and thickness is that the unlimited Polythene Bag of 100 μ m is not to be incorporated on the sack but by the intersection region between the top disk that it is sewn to cylinder (big bag) and closed sack top by glue bond.Sack has the filling mouth of pipe, and it is positioned on the top disk of sack, apart from edge 5cm (discharge the mouth of pipe by this mouth of pipe is used as, this mouth of pipe can be used for realizing " cleaning " emptying, thereby the outlet on the protection pressing plate is not contaminated).The top disk and the mouth of pipe are made by the fabric of polyethylene coating, and it does not have leakage loss to the product that is held.When emptying began, flexible container accommodated the 680kg product.

The product that is used to test that is held in the flexible container is an oximes silicone putty.

Vessel have wheel thereby can move on smooth floor.

The product that is used to test that is held in the flexible container is an acetoxyl group class silicone putty.

With forklift flexible container is put into vessel.Polyethylene film is placed on the flexible container, then uses rubber seal between container.

Flexible container is pierced through by discharge orifice: through measuring the about 10cm of otch.

Flexible pipe is connected to outlet, pressurizes by reducing jack then.

The proportioner of wound packages machine is filled (time is less than 1 second, near 0.5 second) fast

The wound packages machine is operated with 30 strokes of per minute usually.

8.6 liters of the material unaccounted-for (MUF)s of flexible container bottom are less than 1.26%.

The major part of vessel cleans: only contaminated near the part of discharge orifice, and promptly in the about 25cm scope of radius.

Embodiment 2

Discharge the embodiment of silicone putty from the soft shell of pressurization

The vessel internal diameter is 1235mm ± 10mm, and the degree of depth is 1000mm, and it is by the corrosion-resistant steel manufacturing and can bear the pressure that surpasses 7 crust.

The discharge orifice of product is positioned at a side of vessel bottom, apart from the about 15cm of panel edges.

The resistance to compression steel pipe is used for the transmission of the evacuation port of slave plate to the emptying receiver.This pipe is fixed to the outlet of pressing plate by no leakage loss adaptor union.This pipe length overall 2.5m, internal diameter 76mm.

The sack of being tested is the circular fabric sack with compensating band, high 1100mm, and girth 3640mm, the interior girth of container is little a lot.This sack has smooth cylindrical bottom portion, and thickness is that the unlimited Polythene Bag of 100 μ m is not to be incorporated into sack but by the intersection region between the top disk that it is sewn to cylinder (big bag) and closed sack top by glue bond.Sack has the filling mouth of pipe, and it is positioned on the top disk of sack, apart from edge 5cm.The last disk and the mouth of pipe are made by the fabric of polyethylene coating, and it does not have leakage loss for the product that is held.Flexible container accommodates the 680kg product when emptying begins.

Vessel have wheel thereby can move.

, and mainly change near 120 liters/minute greater than 70 liters/minute at the flow velocity in pipe exit, Peak Flow Rate is 145 liters/minute, and at this moment the oil pressure in the jack is 220 crust (they are equivalent to about 5.7 crust in the vessel).

The existence of pipe inner filtration net has also limited flow velocity, if therefore there is not the filtering net flow velocity may be higher.

The quality of flexible container is 12kg after the emptying.The quality of empty flexible container is 2kg.Therefore, material unaccounted-for (MUF) is 10kg, promptly 1.47%.

Embodiment 3

The embodiment of soft shell wound packages silicone putty from pressurization

Employed equipment is represented by Fig. 1 and as mentioned above.More accurate theory, this embodiment uses the vessel compression machine that has firm vessel, and it can bear operation pressure, and diameter is 1240mm.

The internal diameter of vessel is 1235mm ± 10mm, and the degree of depth is 1000mm, and it is by the corrosion-resistant steel manufacturing and can bear the pressure that surpasses 10 crust.

The discharge orifice of product is positioned at a side of vessel bottom.

The pressure-proof flexible pipe is connected to the outlet of vessel on the proportioner of wound packages machine.The long 1m of flexible pipe, internal diameter are 76mm.

The sack of being tested is that girth is the circular fabric sack of 3640mm, and is little more a lot of than the interior girth of vessel.This sack has smooth cylindrical bottom portion, and thickness is that the unlimited Polythene Bag of 100 μ m is not to be incorporated into sack but by the intersection region between the top disk that it is sewn to cylinder (big bag) and closed sack top by glue bond.Sack has as the filling mouth of pipe of discharging the mouth of pipe, and it is positioned on the top disk of sack, and apart from edge 5cm, it is used for carrying out emptying by the outlet in the pressing plate via the top.The last disk and the mouth of pipe are made by the fabric of polyethylene coating, and it does not have leakage loss to the product that is held.

Claims

1. an emptying accommodates the method for the flexible container (3,21) of viscous product, it is characterized in that:

Viscous product (2) is selected from the product that viscosity is at least 10Pa.s, preferred viscosities between 10 to 200000Pa.s, i.e. silicone oil; Silica gel; Can form the elastomeric constituent polyorganosiloxane composition form of aqueous emulsion (randomly with) by addition polymerization, polycondensation or dehydrogenative condensation (gathering) cross-linking reaction; Inject the organic polymer that comprises the active organosilicon group (being called the MS poly-mer) and the composite of solvent or aqueous medium, it comprises acrylic polymer and can be cross-linked to form elastic body by drying;

This method consists essentially of:

-use flexible container (3,21);

-will treat that randomly the container (3,21) of emptying moves to evacuate position from its storage location;

-guarantee at least one discharge orifice (9), preferred described outlet is arranged in the bottom of container (3,21), so that viscous product (2) flow container (3,21);

-by means of pressure device at flexible container (3,21) exert pressure at least one localized area, pressure device is preferably by at least one pressure element (5,22/23) and/or pressure fluid form, so that on the one hand with container (3,21) remain on expansion or demi-inflation state, quicken on the other hand to flow;

-decompression when emptying finishes.

2. the method for claim 1 is characterized in that the wall mechanically robust of container (3,21) and preferably to the no leakage loss of viscous product (2), wherein consists essentially of:

At least one element (25), it provides mechanical strength and comprises one deck or above sheet material, and these sheet materials are same to each other or different to each other, and are preferably fabric;

Randomly comprise at least one packing element (26), this element is formed by following material: (i) one deck is preferably the polymer film of coating form at least, and/or (2i) at least one no leakage loss liner bag, this liner bag is by one deck or the above synthetic polymer membranes (polyolefin especially that is selected from, even be more preferably polyethylene kind, polypropylene type, polyesters or polyamide-based) or the material of metal (especially aluminium) form, this liner bag is fixed on the wall elements that mechanical strength is provided at least, and even more preferably closes and/or be sewn onto on the described element to the small part glue bond.

3. method as claimed in claim 1 or 2, the discharge orifice (9) that it is characterized in that container (3,21) are to obtain like this:

-by cutting the wall of container (3,21);

-and/or be installed to one or with stopper in the upper shed or capping by removing, and in such cases, described opening can be furnished with the mouth of pipe in order to outside amount discharge container (3, the 21) wall;

-and/or be provided in the band that is used for closing any opening on the container (3,21) by removing.

4. as right 1 to 3 any one described method, it is characterized in that, used equipment comprises that on the one hand at least one has the pressure element of at least one piston (5.1) (5), comprise at least one emptying vessel (6) on the other hand, it is used to hold the flexible container (3) that will be drained or its liner bag only randomly, emptying vessel (6) are designed to female part, when can moving at the piston of pressure element (5), this female part plays guiding function with its mutual action and to it, particularly with flexible container (3,21) or randomly only be the working direction of the compression aspect unanimity of its liner bag.

5. method as claimed in claim 4, it is characterized in that emptying vessel (6) be designed to can closure and piston (5.1) can under the effect of pressure fluid, move so that viscous product (2) is discharged from vessel (6).

6. method as claimed in claim 5, it is characterized in that using the pressure fluid that is contained in the expandable jack (jack), this jack is arranged between the reversible closing lid of piston (5.1) and vessel (6) and connects pressurized-fluid supply device and makes its expansion, follow mobile piston (5.1), so that viscous product (2) is discharged from vessel (6).

7. as any one described method of claim 1 to 3, it is characterized in that employed emptying equipment comprises the emptying vessel (6) that at least one can pressurize, it is used to hold the flexible container (3 for the treatment of emptying, 21) its liner bag only or randomly, wherein vessel (6) by the pressure fluid pressurization in case from vessel (6) discharge viscous product (2).

8. as any one described method of claim 1 to 3, it is characterized in that, used emptying equipment comprises at least one pressure element (22/23) on the one hand, this pressure element has at least one group of assembly, this assembly comprises at least one roller element (22) and at least one reverse rollers element (23), is preferably at least two substantially parallel and rollers that can move along its rotation and on the other hand, comprise that the device (29) that is used to hang flexible container (3,21) is so that be provided with opening in the bottom; Assembly is such design-calculated, so that two rollers (22/23) can move down and roll simultaneously and be compressed between two rollers the flexible container that moves, roller is randomly driven by the rotation of at least one motor, this mechanization optional with the mechanization flexible container that preferably hangs upwards traction combine or by its replacement.

9. as any one described method of claim 2 to 8, it is characterized in that from flexible container (3,21) in or randomly only from the interior viscous product of being discharged of its liner bag (26), with suitable flow velocity, be supplied at least one to be used for packing the assembly of described product with suitable manner of packing more than or equal to the package component consumption.

10. as any one described method of claim 2 to 9, it is characterized in that from the flexible container or the viscous product of randomly only discharging from its liner bag, be supplied to the mechanical device that is used to store the device of viscous product and/or increases its flow velocity in order to mobile viscous product, described mechanical device is preferably selected from pump or (two) screw rod.

11. be used to implement external member, it is characterized in that it comprises as claim 1-10 method as described in any one:

-viscous product (2), be selected from the product of viscosity more than or equal to 50Pa.s, preferred viscosity ranges is 100Pa.s to 10,000Pa.s between, that is, silicone oil, silica gel, can form elastomeric constituent polyorganosiloxane composition by addition polymerization, polycondensation or dehydrogenative condensation (gathering) cross-linking reaction, and the organic polymer that comprises the active organosilicon group;

The flexible container of-mechanically robust (3,21), it does not have leakage loss for viscous product, preferably is equipped with to be used to the handle (29) that promotes and/or hang;

-emptying equipment, it comprises at least one pressure element (5,22/23) and/or at least a pressure fluid;

-randomly at least one packs the assembly of viscous product (2) with suitable manner of packing;

-optional being used for mobile viscous product to increase the mechanical device of its flow velocity, described mechanical device is preferably selected from: pump or (two) screw rod;

-and optional memory storage.

12. external member as claimed in claim 11 is characterized in that the wall of flexible container (3,21) comprising:

At least one provides the element (25) of mechanical strength, and it comprises sheet material mutually the same or different more than, and these sheet materials are fabric preferably;

And/or at least one packing element (26), this element is formed by following material: (i) one deck is preferably the polymer film of coating form at least, and/or (2i) at least one no leakage loss liner bag, this liner bag is by being selected from synthetic polymer membranes (polyolefin particularly more than one deck, even be more preferably polyethylene kind, polypropylene type, polyesters or polyamide-based) or the material of metal (particularly aluminium) form, this liner bag is fixed on the wall elements that mechanical strength is provided in use at least, and the liner bag preferably closes and/or is sewn onto on the described element to the small part glue bond.

13. external member as claimed in claim 12 is characterized in that flexible container (3,21) has the wall (25) of the mechanically robust made based on fabric and no leakage loss, the weight under its uncoated state 100 to 300g/m ²Between, and wherein the thickness of liner bag (26) between 5 to 500 μ m.

14. as any one described external member of claim 10 to 13, it is characterized in that emptying equipment comprises that on the one hand at least one has the pressure element of at least one piston (5.1) (5), also comprise at least one emptying vessel (6) on the other hand, these vessel are used to hold the flexible container (3 for the treatment of emptying, 21), and be designed to female part, when the male part that is made of the piston (5.1) of pressure element (5) moves, particularly along and flexible container (3,21) or only be the cooresponding working direction of compression aspect of its liner bag when moving, female part is applicable to male part.

15. external member as claimed in claim 14 is characterized in that:

The piston of pressure element (5) has (circular) head (5.1) that is connected with bar, it is used for carrying out motion of translation repeatedly with fixing jack (5.2) mutual action so that drive, described jack (5.2) is installed on the fixed sturcture (4), and described head (5.1) is used to be pressed into emptying vessel (6) so that compression flexible container (3);

With emptying vessel (6), it comprises the discharge orifice (9) of at least one viscous product (2) and randomly is equipped with mobile device (preferred roller (7)), preferred its is made up of hollow circuit cylinder, this hollow circuit cylinder is used to hold flexible container (3) and piston head (5.1) can slide within it, head (5.1) is preferably circle and its diameter enough near the internal diameter of vessel (6), advantageously, by means of the O-ring packing (11) that is preferably mounted on piston head (5.1) chamfered edge and vessel (6) inner peripheral wall, can guarantee for the no leakage loss of viscous product (2).

16. as claim 14 or 15 described external members, it is characterized in that, emptying vessel (6) be designed to can closure and piston (5.1) can under the effect of pressure fluid, move.

17. as any one described external member of claim 10 to 13, it is characterized in that emptying equipment comprises at least one emptying vessel (6), it is used to hold the flexible container (3.21) that will be drained or its liner bag (26) only randomly, can be by pressure fluid to its pressurization so that from vessel (6), discharge viscous product (2).

18. as any one described external member of claim 10 to 17, it is characterized in that emptying equipment comprises inflatable jack (12), this jack places between the reversible closing lid (13) of piston (5.1) and vessel (60) and is connected to pressurized-fluid supply device and is used for its expansion, follow mobile piston (5.10), thereby viscous product (2) can be discharged from vessel (60).

19. external member as claimed in claim 18, it is characterized in that, the pressure fluid feeding mechanism comprises at least one pressure fluid memory device (15), is used for the device (17) and the conduit (16) of transmission pressure fluid, and it is equipped with these devices (17) and pressure fluid memory device (15) and inflatable jack (12) are coupled together.

20. external member as claimed in claim 19 is characterized in that pressure fluid is selected from incompressible fluid, is preferably selected from water or oil, or is selected from compressible fluid, preferred air.

21., it is characterized in that as any one described external member of claim 10 to 13

Emptying equipment comprises pressure element on the one hand, this pressure element has at least one group of assembly, this assembly comprises at least one roller element (22) and at least one reverse rollers element (23), be preferably at least two substantially parallel and along its roller of moving of axle rotation and comprise that on the other hand the device (29) that is used to hang flexible container (21) is so that be provided with opening in the bottom separately; Assembly is such design-calculated, so that two rollers (22/23) can move down and roll simultaneously and be compressed between two rollers the flexible container (21) that moves, roller is randomly driven by the rotation of at least one motor, this mechanization randomly with the mechanization of the flexible container of preferred suspension upwards traction combine or by its replacement.

22. external member as claimed in claim 20 is characterized in that

Flexible container (3,21) be equipped with at an upper portion thereof at least one with its suspension clamp handle (29), have at least one viscous product (2) discharge orifice (9) in the bottom, randomly it is equipped with the mouth of pipe, container (3,21) advantageously has the outer whole pyriform profile that part forms substrate of opening;

Two rollers (22/23) can mechanization also can be without mechanization, two rollers are arranged in any side of flexible container (21) so that push flexible container when it moves down, and described roll assembly (22/23) is equipped with and is used to adjust the system of interior wheelbase (24) so that adapt to the extruding level of flexible container (21).