EP3041746B1 - Dispositif de régulation de débit - Google Patents

Dispositif de régulation de débit Download PDF

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Publication number
EP3041746B1
EP3041746B1 EP14744851.8A EP14744851A EP3041746B1 EP 3041746 B1 EP3041746 B1 EP 3041746B1 EP 14744851 A EP14744851 A EP 14744851A EP 3041746 B1 EP3041746 B1 EP 3041746B1
Authority
EP
European Patent Office
Prior art keywords
sealing
sealing element
valve rod
outlet
run
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP14744851.8A
Other languages
German (de)
English (en)
Other versions
EP3041746A1 (fr
Inventor
Richard Heuser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SIG Combibloc Services AG
Original Assignee
SIG Technology AG
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Filing date
Publication date
Application filed by SIG Technology AG filed Critical SIG Technology AG
Publication of EP3041746A1 publication Critical patent/EP3041746A1/fr
Application granted granted Critical
Publication of EP3041746B1 publication Critical patent/EP3041746B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
    • B67C3/2608—Filling-heads; Means for engaging filling-heads with bottle necks comprising anti-dripping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B2039/009—Multiple outlets

Definitions

  • the invention relates to a device for controlling the flow rate of flowable products, in particular foodstuffs, comprising: a valve rod, a sealing element connected to the valve rod with at least one sealing lip, wherein the sealing element has a ground plane and a contact plane, wherein the sealing lip arranged in the contact plane is, and an outlet element with a stop plane and with at least one outlet channel, wherein the stop plane has at least one sealing lip associated with the sealing region and at least one outlet region connected to the outlet channel.
  • the invention also relates to the use of such a device for the filling of food, in particular for the aseptic filling of food.
  • the flowable products When filling flowable products - such as foods such as fruit juices or milk - it is desirable and necessary to be able to regulate the flow rate.
  • the control of the flow rate often takes place through the following sequence: First, the flowable products are filled into a tank having multiple outputs to different packing trays. At each of these outputs, the flow rate can be adjusted by a reducing valve. Seen in the flow direction, a metering valve is arranged behind the reducing valve, with the aid of which the flow rate can be increased or decreased or the flow can be completely interrupted. For constructive reasons, however, it is often not possible to arrange the metering valve at the end of the flow path, ie immediately before the outlet of the flowable products from the filling machine.
  • nozzles are arranged, which are tailored to the product to be filled and the volume of the package and can be easily replaced.
  • These Arrangement of the valve and nozzle has the consequence that when the metering valve is shut off, a residual amount of the product to be filled remains in the path between the metering valve and the outlet nozzle. Since the metering valve is sealed, the remaining amount does not run out of the nozzle, but remains - as in a pipette - in the flow path between the metering valve and the outlet of the nozzle.
  • the from the EP 0 400 368 B1 known solution has several disadvantages.
  • Another disadvantage is the proposed solution in that vibrations cause dynamic loads on the machine. This can result in increased maintenance and a shorter life of the machine. Also for acoustic reasons, vibrations are undesirable.
  • the parallel connected flow paths of the outlet channels of the outlet element in such a "Ab thoughelvon" emptied different degrees, which may be due to the random location of solid particles contained in the contents, for example. This may result in unwanted Grendifferenzen.
  • An apparatus for controlling the flow rate of flowable products according to the preamble of claim 1 is made WO 2011/049505 A1 known.
  • the invention is therefore based on the object to design the above-mentioned and previously described device in such a way and further, that the drop-free filling of flowable products is made possible in a cost-effective and structurally simple manner.
  • a device initially comprises a valve rod and a sealing element connected to the valve rod with at least one sealing lip.
  • the valve rod can be connected directly or indirectly, ie via other components, with the sealing element.
  • the sealing element be controlled and, for example, raised or lowered onto the surface to be sealed.
  • the sealing element has a ground plane and a contact plane.
  • the plane of contact is the plane in which the lowest edge of the sealing lip lies, that is to say that region of the sealing lip which first touches the surface to be sealed when placed.
  • a device comprises a discharge element with a stop plane and with a plurality of outlet channels.
  • the sealing lips of the sealing element are therefore pressed onto the stop plane of the outlet element.
  • the outlet channels serve the products to be filled as an outlet; they lead from the stop plane towards the bottom of the outlet element.
  • the stop level can be subdivided into different areas: the sealing area and the outlet areas.
  • the sealing area is assigned to the sealing lip and serves as a stop. In the outlet areas, however, are the inputs of the outlet channels.
  • the contact plane is spaced from the ground plane, so that an offset occurs between the sealing lip and the ground plane.
  • the invention has therefore recognized, instead of a sealing element with a smooth, flat bottom to use a sealing element with a profiled underside.
  • the projecting edge of the sealing lip lies in the contact plane.
  • Between the sealing lips form cavities whose back walls reach back to a level called the ground plane.
  • the sealing element Due to the inventive design of the sealing element is achieved that the size of the offset, so the depth - and thus the volume - of the cavities can be varied depending on the contact force of the sealing element.
  • the sealing element in a first step, the sealing element can be pressed very firmly onto the outlet element, with the result that the flowable products to be filled are no longer pushed through the outlet Device can flow. Due to the high contact pressure and the elasticity of the sealing lips, the sealing lips deform such that the offset between the ground plane and the contact plane is reduced. This has the consequence that the volume of the cavities lying between the sealing lips also decreases. In this first position, a certain amount of flowable products to be filled remains in the outlet channels of the outlet element, forming a flow front at the bottom of the outlet element.
  • the flow front projects beyond the bottom of the spout element, so there is a risk of droplet formation.
  • the inventive design of the sealing element now allows the sealing element is pressed in a second step a little less firmly on the outlet element. In this second position, a sealing effect is still ensured, so that the flowable products to be filled can not flow through the device.
  • the offset between the ground plane and the contact plane - and thus the volume of the cavities - in this position has again increased slightly. This ensures that a portion of the flowable products to be filled from the outlet channels is sucked back into the - now enlarged - cavities, so that forms a modified flow front.
  • the new flow front typically no longer protrudes beyond the underside of the outlet element, so that the risk of droplet formation is markedly reduced.
  • a variation of the volume between the sealing surface and the outlet of the filling nozzle can accordingly be achieved so that the residual quantity of flowable products remaining in this region can be sucked back a small distance.
  • sucking back the flowable products and blockages of the outlet channels can be solved, which can arise, for example, in fibrous or lumpy contents.
  • the offset is at least 1 mm and in particular in the range between 1 mm and 10 mm. Too low an offset would cause a too small volume change of the cavities and thus produce no appreciable suction. A too big offset would In contrast, due to the high elasticity of the sealing element have a reduced sealing effect. A particularly good compromise between sufficient volume change and reliable sealing effect can be achieved by an offset in the range between 2 mm and 5 mm.
  • the sealing element has a lower hardness than the outlet element.
  • the sealing lip has a lower hardness than the outlet element. Due to the different hardness ensures that deform in a contact between the sealing element and the outlet element almost exclusively the sealing element and in particular its sealing lip. This has the advantage that the outlet element provides a firm, even with pressure dimensionally stable stop for the sealing element, whereby the seal between the sealing element and the outlet element is particularly reliable. So that the sealing lip can perform well the desired sealing and rinsegetz inter, it is particularly advantageous if the sealing lip has a thickness of 0.5 mm to 3.0 mm, preferably from 1.0 mm to 1.5 mm.
  • the profile of the sealing lip can assume different configurations. For example, their wall thickness may vary, they may be curved outwardly or inwardly or inclined and be angular or curved, in particular bell-shaped. If only a single sealing lip is provided, it may be annular and have a diameter which is suitable for completely enclosing the surface of the stop plane occupied by the outlet channel inlets. It is particularly advantageous if a plurality of annular sealing lips are provided, which are arranged concentrically, for example. This improves the overlay and extends the life of the seal so that the service interval of the seal can be adapted to that of the filling machine.
  • sealing lips also serve to increase the achievable return and thus suction forces.
  • the sealing lips can be designed to be particularly elastic because the "spring forces" to be generated by them are distributed over two or more sealing lips.
  • each further outwardly displaced sealing lip forms a kind of safety function in the event of possible damage or leakage of a further inner sealing lip.
  • the second or further sealing lip may divide the cavity formed by the first sealing lip into at least two chambers, wherein the influencing of the volume of the adjoining chambers takes place in accordance with the design or the profile of the sealing lips.
  • Concentrically arranged sealing lip rings may be interconnected.
  • star-shaped or radially extending from the middle web-shaped sealing lips are provided.
  • the web-shaped sealing lips can have the same wall thickness as a sealing lip ring, but the wall thickness can also vary.
  • the wall thicknesses of the individual sealing lip rings can vary as well.
  • the sealing element in particular the sealing lip made of an elastomer, in particular made of silicone.
  • the sealing lip is made of an elastomer.
  • Elastomers and especially silicone are characterized by a high elasticity and can therefore particularly well - never perfectly smooth - adapt the surface of the outlet element. This feature ensures a reliable seal between the sealing element and the outlet element.
  • Further advantages of elastomers and, in particular, silicone are the low producibility and the variable shaping.
  • elastomers and especially silicone meet Also, the hygienic requirements, for example, in the filling of food.
  • the sealing element in particular the sealing lip to a hardness of 75 Shore A or less.
  • the hardness is preferably in the range between 55 Shore-A and 65 Shore-A.
  • the unit Shore-A is measured by pressing a needle with a blunt tip into the plastic to be tested to measure the penetration depth.
  • the end face of the truncated cone has a standard diameter of 0.79 mm, the opening angle is 35 °, the weight 1 kg and the holding time 15 s (DIN 53505 and DIN 7868). On a scale of 0 to 100, a higher number means greater hardness.
  • the specified degrees of hardness ensure high elasticity and at the same time sufficient dimensional stability of the sealing element and its sealing lip.
  • valve rod is made of plastic and / or metal.
  • Plastics are characterized by their variable shape, low weight and low costs.
  • many plastics meet the hygienic requirements when filling food. Due to its high strength, its temperature resistance and above all because of its high abrasion resistance, PEEK (polyether ether ketone) is a particularly suitable plastic.
  • PEEK polyether ether ketone
  • metals can be used to achieve very high rigidity, strength and hardness.
  • certain stainless steels can be used, which are particularly resistant to corrosion and are therefore suitable for use in the filling of foodstuffs.
  • an embodiment of the invention provides a production of plastic and / or metal.
  • the outlet element is preferably made of metal, since in particular a high rigidity and hardness are required in order to serve as a stop for the sealing element.
  • Both the valve rod and the outlet element are also combinations Plastic and metal possible, for example, a metal core with a coating of plastic.
  • the sealing element has a stiffening element made of metal.
  • the metal stiffening element can form a core which has a coating of an elastomer, in particular of silicone.
  • a stiffening element By a stiffening element, the dimensional stability of the sealing element can be increased.
  • a stiffening element made of metal can fulfill a supporting function that holds the sealing element in its basic form. The use of a stiffening element made of metal thus allows the use of particularly soft, elastic sealing elements.
  • Another advantage of a stiffening element made of metal is that the sealing element can be connected via the stiffening element particularly reliable with the valve rod, for example via a screw connection.
  • the invention can be advantageously developed by an intermediate element which is arranged between the valve rod and the sealing element and connects the valve rod with the sealing element.
  • Intermediate elements may have different lengths and be interchangeable. In this way, the distance between the valve rod and the sealing element can be varied.
  • the intermediate element can fulfill an adapter function, so that the same valve rod can be equipped by the use of corresponding intermediate elements with different sealing elements.
  • the intermediate element comprises two opposing threads, wherein the one thread of the valve rod is associated and wherein the other thread is associated with the sealing element.
  • the valve rod and the sealing element can be particularly well aligned and connected in the aligned position with the intermediate element.
  • the valve rod for example, must be aligned such that a drive can be coupled.
  • the sealing element must be aligned so that the position of the sealing lip and the cavities corresponds to the position of the outlet channels in the outlet element.
  • the intermediate element can be screwed by rotation in one direction simultaneously with the aligned valve rod and with the aligned sealing element.
  • the intermediate element has at least two surfaces arranged parallel to one another, against which an open-end wrench can engage.
  • the assembly can be facilitated by an assembly aid.
  • the valve rod, the intermediate element and the sealing element are initially screwed only loosely together. Subsequently, both the valve rod and the sealing element in the mounting aid are fixed against rotation.
  • the assembly aid - such as an open-end wrench - acts on two mutually parallel surfaces, which are provided for this purpose on the valve rod and the sealing element or the associated pressure plate.
  • the screwing is finally done by the intermediate element - for example, with an open-end wrench - is rotated, tightening both opposing threads simultaneously.
  • the intermediate element comprises a threaded bolt and a spacer element.
  • the threaded bolt may have at its ends two opposing threads, one of which is associated with a thread of the valve rod and of which the other thread is associated with the sealing element. Between the two threads, the threaded bolt can have a threadless profile, for example a square profile, onto which the spacer element can be plugged in a form-fitting manner.
  • the threaded bolt and the spacer can be moved in this case in the axial direction relative to each other; However, they are connected to each other in a rotationally secure manner.
  • the spacer element may have at least two surfaces arranged parallel to one another, against which an open-end wrench can engage.
  • the intermediate element is sealed on both sides with an O-ring, in particular with a coated O-ring.
  • O-ring At a O-ring is an annular sealing element whose cross-section is approximately O-shaped.
  • O-rings with a coating that reduces friction have proven particularly advantageous. This can be a nano-coating.
  • Such O-rings are sold, for example, under the registered trademark "RFN” (Reduced Friction by Nano-Technology) Freudenberg.
  • O-rings with particularly low friction have the advantage that they slide when screwing on the screwed together components and therefore not damaged or torn. Because they align concentrically to the axis passing through the screw axis, they facilitate assembly and also offer by their closed and smooth surface germs no possibility for storage.
  • a further embodiment of the invention provides a pressure plate, which is arranged between the sealing element and the valve rod, in particular between the sealing element and the intermediate element.
  • the pressure plate fulfills the function of transmitting the force originating from the valve stem as evenly as possible to the sealing element. For this purpose, a diameter jump must often be overcome, since the valve rod usually has a substantially smaller cross-sectional area than the sealing element.
  • the pressure plate can also fulfill an adapter function, so that the same valve rod can be equipped with different sealing elements by using corresponding pressure plates.
  • the sealing areas and the outlet areas are arranged in a common plane. Due to the profiled design of the sealing element, the sealing areas and the outlet areas of the outlet element can be formed flat. This makes it possible to prevent the formation of depressions - so-called "pockets" - between the sealing areas, which are conventionally raised in relation to the outlet areas. On this way, the risk of unwanted accumulations or deposits can be significantly reduced. In known outlet elements, such accumulations or deposits occur in particular in those depressions to which no outlet openings are assigned. In addition, turbulence can occur in the depressions when opening the valve, since the depressions are often very shallow and therefore have unfavorable flow cross sections. By arranging the sealing areas and the outlet areas in a common plane, these problems can be counteracted.
  • the device described above can be used particularly well in all illustrated embodiments for filling foodstuffs, in particular for aseptically filling foodstuffs.
  • the foods may be, for example, fruit juices, milk, sauces, yoghurt or pudding.
  • Fig. 1 shows a valve rod 1 of a device according to the invention in a perspective view.
  • the valve rod 1 has a coupling 2, via which the valve rod 1 can be moved up and down during operation by positive engagement of a drive.
  • the valve rod 1 is connected in its lower region via a spacer element 3 and a pressure plate 4 with a sealing element 5.
  • the connection can be made by a - in Fig. 1 not shown - threaded bolt 6 done, which has two opposing thread. A thread of the threaded bolt 6 is screwed into the valve rod 1, the other thread of the threaded bolt 6 is screwed into the sealing element 5.
  • the spacer element 3 and the pressure plate 4 are merely stuck to the threaded bolt 6 without being screwed to this.
  • the sealing element 5 is on a flat surface, so that the valve rod 1 is perpendicular to the top.
  • the spacer element 3, the pressure plate 4 and the sealing element 5 is centrally a central axis. 8
  • Fig. 2 the valve stem 1 is off Fig. 1 shown in perspective view.
  • the main difference to the in Fig. 1 shown view is that the valve rod 1 is laterally on a flat surface, so that the underside of the sealing element 5 is visible.
  • Fig. 2 provided with corresponding reference numerals.
  • the sealing element 5 has on its underside projecting sealing lips 9, which in a - in Fig. 2 not shown - contact level 10 are.
  • the remaining areas of the sealing element 5 are offset in relation to the sealing lips 9 to the rear, ie offset in the direction of the valve rod 1, and extend to a - in Fig. 2 also not shown - Ground level 11 back. This has the consequence that cavities 12 form in the areas between the sealing lips 9 when placing the sealing element 5 on a flat surface.
  • Fig. 3 shows a spout element 13 of a device according to the invention in a perspective view.
  • the outlet element 13 has a stop plane 14, the surface of which can be subdivided into sealing regions 15 and outlet regions 16.
  • the sealing regions 15 are intended for the sealing engagement of the sealing lips 9 of the sealing element 5.
  • each outlet region 16 comprises a plurality of outlet channels 17.
  • Through the outlet element 13 centrally extends a central axis 8 '.
  • the sealing areas 15 and the outlet areas 16 are arranged in a common plane.
  • Fig. 4 is the outlet element 13 made Fig. 3 shown in perspective view.
  • the outlet element 13 is located with its the sealing element 5 associated side on a flat surface, so that the underside of the outlet element 13 is visible.
  • Fig. 4 provided with corresponding reference numerals.
  • the outputs of the outlet channels 17 are visible.
  • a large part of the underside of the outlet element 13 is covered by the outputs of the outlet channels 17, so that between the outputs of the outlet channels 17 only narrow webs 18 are present.
  • Fig. 5 shows a device 19 according to the invention in a sectional view in an open position.
  • Device 19 shown by way of example includes, among others, those already known Fig. 1 and Fig. 2 known valve rod 1 with the sealing element 5 and the already made FIG. 3 and FIG. 4 known outlet element 13.
  • the already associated with Fig. 1 to Fig. 4 described areas of the device 19 are in Fig. 5 provided with corresponding reference numerals.
  • the Valve rod 1 and the indirectly connected sealing element 5 are arranged relative to the outlet element 13 such that the central axis 8 of the valve rod 1 and the sealing element 5 and the central axis 8 'of the outlet element 13 congruent, so run collinear.
  • the sealing element 5 has a stiffening element 20 in its interior.
  • the sectional view allows a view of the hidden by the spacer element 3 threaded bolt 6, which connects the valve rod 1 with the sealing element 5, and its stiffening element 20.
  • the sealing element 5 initially has a contact plane 10, in which the lower edges of the protruding sealing lips 9 lie.
  • the remaining areas of the sealing element 5 are offset in the direction of the valve rod 1 upwards, so that 9 cavities 12 form between the sealing lips, the back walls extend back to a ground plane 11.
  • the stop plane 14 is shown, which is a plane of the outlet element 13.
  • both parts of the device 19 can be moved toward and away from each other along the central axes 8, 8 '.
  • the sealing element 5 and the outlet element 13 are aligned such that upon contact between these two components, the sealing lips 9 of the sealing element 5 are pressed onto the sealing regions 15 of the outlet element 13 to securely seal the outlet channels 17.
  • the sealing lips 9 are lifted back from the sealing areas 15, the outlet channels 17 can be released again.
  • At the in Fig. 5 shown position is an open position. In this position, there is no contact between the sealing lips 9 of the sealing element 5 and the stop plane 14 of the outlet element 13, so that the products to be filled in Direction of in Fig. 5 shown arrows can flow through the device 19 to be filled in packages 22 can.
  • Fig. 6 the device 19 is off Fig. 5 shown in a first closed position.
  • Fig. 6 already related to Fig. 5 described areas of the device 19 are in Fig. 6 provided with corresponding reference numerals.
  • the main difference to the in Fig. 5 shown position is that the sealing lips 9 at the in Fig. 6 position shown pressed firmly on the stop plane 14, so that the flowable products to be filled, the device 19 can not flow through. Due to the high contact pressure and the elasticity of the sealing lips 9, the sealing lips 9 deform such that the distance between the contact plane 10 and the Ground plane 11 reduced.
  • an offset 21 ' which is less than that in Fig. 5 shown offset 21. This has the consequence that the volume of the cavities 12 is also reduced.
  • a certain amount of flowable products to be filled remains in the outlet channels 17 and forms a flow front 23 on the underside of the outlet element 13.
  • the flow front 23 protrudes beyond the underside of the outlet element 13, so that there is a risk of droplet formation.
  • Fig. 7 shows the device 19 from Fig. 5 in a second closed position.
  • Fig. 7 shows the sealing lips 9 are pressed less firmly on the stop plane 14.
  • Fig. 6 also exists in Fig. 7 a sealing contact between the sealing lips 9 and the outlet element 13, so that the flowable products to be filled, the device 19 can not flow through. Due to the contact between the sealing lips 9 and the sealing regions 15 of the outlet element 13, the contact plane 10 is therefore located also at the in Fig.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)

Claims (13)

  1. Dispositif (19) de régulation du débit de produits fluides, notamment des denrées alimentaires, comprenant :
    - une tige de vanne (1)
    - un élément d'étanchéité (5) relié à la tige de vanne (1) avec au moins une lèvre d'étanchéité (9),
    - étant précisé que l'élément d'étanchéité (5) présente un plan de base (11) et un plan de contact (10),
    - étant précisé que la lèvre d'étanchéité (9) est fabriquée dans un élastomère et est disposée dans le plan de contact (10),
    - étant précisé que le plan de contact (10) est espacé par rapport au plan de base (11) de manière à ce qu'il se crée un décalage (21) entre la lèvre d'étanchéité (9) et le plan de base (11), et
    - un élément d'écoulement (13) avec un plan de butée (14) et plusieurs conduits d'écoulement (17),
    - étant précisé que le plan de butée (14) présente au moins une zone d'étanchéité (15) associée à la lèvre d'étanchéité (9) et lui servant de butée et au moins une zone d'écoulement (16) reliée aux canaux d'écoulement (17), et
    - étant précisé que la lèvre d'étanchéité (9) présente une dureté inférieure à celle de l'élément d'écoulement (13),
    caractérisé en ce que
    l'élément d'étanchéité (5) est formé de telle sorte que la taille du décalage (21) peut être modifiée, en fonction de la force de pression de l'élément d'étanchéité (5) pour le refoulement des produits fluides, entre une première position dans laquelle l'élément d'étanchéité (5) est pressé très fortement sur l'élément d'écoulement (13) et le décalage (21) se réduit, et une deuxième position dans laquelle l'élément d'étanchéité (5) est pressé un peu moins fortement sur l'élément d'écoulement (13) et le décalage (21) augmente.
  2. Dispositif conforme à la revendication 1,
    caractérisé en ce que
    le décalage mesure au moins 1 mm et se situe notamment dans une fourchette de 1 à 10 mm.
  3. Dispositif conforme à la revendication 1,
    caractérisé en ce que
    l'élément d'étanchéité (5), notamment la lèvre d'étanchéité (9), présente une dureté Shore- A de 75 ou inférieure.
  4. Dispositif conforme à l'une des revendications 1 à 3,
    caractérisé en ce que
    la tige de vanne (1) est fabriquée en matière plastique et/ou en métal.
  5. Dispositif conforme à l'une des revendications 1 à 4,
    caractérisé en ce que
    l'élément d'écoulement (13) est fabriqué en matière plastique et/ou en métal.
  6. Dispositif conforme à l'une des revendications 1 à 5,
    caractérisé en ce que
    l'élément d'étanchéité (5) présente un élément de renforcement (20) en métal.
  7. Dispositif conforme à l'une des revendications 1 à 6,
    caractérisé par
    un élément intermédiaire disposé entre la tige de vanne (1) et l'élément d'étanchéité (5) et qui relie la tige de vanne (1) à l'élément d'étanchéité (5).
  8. Dispositif conforme à la revendication 7,
    caractérisé en ce que
    l'élément intermédiaire comprend deux filetages inverses, étant précisé que l'un des filetages est associé à la tige de vanne (1) et l'autre filetage, à l'élément d'étanchéité (5).
  9. Dispositif conforme à la revendication 7 ou 8,
    caractérisé en ce que
    l'élément intermédiaire comprend un boulon de filetage (6) et un élément d'écartement (3).
  10. Dispositif conforme à l'une des revendications 7 à 9,
    caractérisé en ce que
    l'élément intermédiaire est garni des deux côtés d'un joint torique (7), notamment d'un joint torique enduit (7).
  11. Dispositif conforme à l'une des revendications 1 à 10,
    caractérisé par
    une plaque de pression (4) disposée entre l'élément d'étanchéité (5) et la tige de vanne (1), en particulier entre l'élément d'étanchéité (5) et l'élément intermédiaire.
  12. Dispositif conforme à l'une des revendications 1 à 11,
    caractérisé en ce que
    les zones d'étanchéité (15) et les zones d'écoulement (16) sont disposées dans un même plan.
  13. Utilisation d'un dispositif (19) conforme à l'une des revendications 1 à 12 pour le remplissage de denrées alimentaires, en particulier le remplissage aseptique de denrées alimentaires.
EP14744851.8A 2013-09-04 2014-07-30 Dispositif de régulation de débit Not-in-force EP3041746B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013109633.6A DE102013109633A1 (de) 2013-09-04 2013-09-04 Vorrichtung zur Steuerung der Durchflussmenge
PCT/EP2014/066361 WO2015032555A1 (fr) 2013-09-04 2014-07-30 Dispositif de régulation de débit

Publications (2)

Publication Number Publication Date
EP3041746A1 EP3041746A1 (fr) 2016-07-13
EP3041746B1 true EP3041746B1 (fr) 2018-06-13

Family

ID=51257498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14744851.8A Not-in-force EP3041746B1 (fr) 2013-09-04 2014-07-30 Dispositif de régulation de débit

Country Status (9)

Country Link
US (1) US20160221700A1 (fr)
EP (1) EP3041746B1 (fr)
JP (1) JP6441933B2 (fr)
CN (1) CN105517907B (fr)
AU (1) AU2014317410A1 (fr)
DE (1) DE102013109633A1 (fr)
MX (1) MX2016002315A (fr)
RU (1) RU2016112471A (fr)
WO (1) WO2015032555A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3339817B1 (fr) * 2016-12-22 2022-06-01 Mettler-Toledo GmbH Dispositif de dosage pour substances en poudre
GB2569364B (en) 2017-12-15 2022-11-30 Elopak Gmbh Improved filling device
DE102020100967A1 (de) * 2020-01-16 2021-07-22 Pierburg Gmbh Kombiniertes Rückschlag- und Absperrventil für eine Verbrennungskraftmaschine

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
DE32216C (de) * H. TROTT in London Ausflufs - Ventilhahn
US1679779A (en) * 1926-04-08 1928-08-07 William F Oberhuber Valve and flanged seal
FR1529341A (fr) * 1967-06-28 1968-06-14 Brown Boveri Krupp Reaktor Soupape de fermeture pour fluides gazeux
JPS588872A (ja) * 1981-07-06 1983-01-19 Michitoshi Kitano バルブ
DE3229162C2 (de) 1982-08-04 1986-01-02 Bausch + Ströbel, Maschinenfabrik GmbH + Co, 7174 Ilshofen Flüssigkeits-Abfüllnadel
JPH0520643Y2 (fr) * 1986-03-11 1993-05-28
DE3918008C1 (fr) 1989-06-02 1990-09-27 Pkl Verpackungssysteme Gmbh, 4000 Duesseldorf, De
FR2791033B1 (fr) * 1999-03-17 2001-04-27 Pierre Guillon Systeme de remplissage de recipients
US20050023496A1 (en) * 2003-07-31 2005-02-03 Foster Joseph E. Deformed o-ring face seal for pneumatic valves
JP4654747B2 (ja) * 2005-04-14 2011-03-23 トヨタ自動車株式会社 流体用開閉弁装置
DE102006001178A1 (de) * 2006-01-08 2007-07-12 Theo Arnitz Verfahren zum Abfüllen von Flüssigkeiten und Vorrichtung zur Durchführung des Verfahrens
GB2451251A (en) * 2007-07-24 2009-01-28 Jens Termansen Fluid control arrangement
EP2490949B1 (fr) * 2009-10-23 2016-08-10 Tetra Laval Holdings & Finance S.A. Tête de buse et machine de remplissage ainsi équipée
FR2952047B1 (fr) * 2009-11-04 2011-12-09 Sidel Participations Dispositif de remplissage avec systeme de clapet particulier
NO336424B1 (no) * 2010-02-02 2015-08-17 Statoil Petroleum As Strømningsstyringsanordning, strømningsstyringsfremgangsmåte og anvendelse derav
CN202098112U (zh) * 2011-06-08 2012-01-04 珠海纳思达企业管理有限公司 一种喷墨打印机墨盒

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3041746A1 (fr) 2016-07-13
US20160221700A1 (en) 2016-08-04
JP2016532609A (ja) 2016-10-20
CN105517907A (zh) 2016-04-20
AU2014317410A1 (en) 2016-03-10
CN105517907B (zh) 2019-01-22
MX2016002315A (es) 2016-06-15
JP6441933B2 (ja) 2018-12-19
WO2015032555A1 (fr) 2015-03-12
RU2016112471A (ru) 2017-10-09
DE102013109633A1 (de) 2015-03-05

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