EP0575382A1 - Agencement pour le pompage et la distribution de liquides hautement visqueux. - Google Patents

Agencement pour le pompage et la distribution de liquides hautement visqueux.

Info

Publication number
EP0575382A1
EP0575382A1 EP92905752A EP92905752A EP0575382A1 EP 0575382 A1 EP0575382 A1 EP 0575382A1 EP 92905752 A EP92905752 A EP 92905752A EP 92905752 A EP92905752 A EP 92905752A EP 0575382 A1 EP0575382 A1 EP 0575382A1
Authority
EP
European Patent Office
Prior art keywords
hose
delivery
conveyed
pressure
arrangement according
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.)
Granted
Application number
EP92905752A
Other languages
German (de)
English (en)
Other versions
EP0575382B1 (fr
Inventor
Bernd Schenk
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.)
Schenk Helga
Original Assignee
Schenk Helga
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schenk Helga filed Critical Schenk Helga
Publication of EP0575382A1 publication Critical patent/EP0575382A1/fr
Application granted granted Critical
Publication of EP0575382B1 publication Critical patent/EP0575382B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
    • B67D1/0462—Squeezing collapsible or flexible beverage containers, e.g. bag-in-box containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/10—Pump mechanism
    • B67D1/108—Pump mechanism of the peristaltic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/082—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism

Definitions

  • the present invention relates to an arrangement for pumping and dispensing highly viscous liquids and / or similar liquids with a high solids content or solids in larger segments according to the preamble of claim 1.
  • An arrangement of the gat directional type is to be regarded as known with regard to normal liquids, in particular drinks, via the disclosure content of DE-OS 22 61 798.
  • Container sizes between 5 and 20 kg are common for the commercial sector.
  • Self-supporting containers are mainly used as packaging.
  • these are usually canisters with screw caps;
  • Flexible packaging eg bags, is mainly intended only for containers without partial removal due to their insufficient seal strength.
  • reusable containers are often required.
  • This packaging can also be completely emptied and disposed of in an environmentally friendly manner.
  • the complete emptiness and the empty volume represent a particular problem.
  • Buckets are somewhat more suitable here, but are difficult to close under extreme conditions.
  • Flat film pouches are excluded from the outset for reasons of insufficient strength and because of the formation of folds and / or dead corners and the like, inadequacies for applications under rough operating conditions.
  • Only the flexible or semi-flexible pouch packaging offered as a compromise for these types of packaging largely meets the different requirements.
  • hose pump systems that are most suitable from a microbiological or cleaning technology point of view are not without problems on the one hand because of the lack of suction capacity and on the other hand because of the restoring moments of the delivery hoses when the pinch rollers rotate. The same applies to the screw pumps known from large-scale technology.
  • the dosing accuracy is of particular importance for the function;
  • the dose accuracy is decisive for the distribution or admixture of spices to, for example, sauces or the ratio of, for example, ketchup to mayonnaise;
  • the quantity of conveyed goods is of interest, since it can be used to infer the amount of a main component loaded with this material - this case plays a role in connection with dressing in salads, for example.
  • the object on which the present invention is based is to eliminate the aforementioned problem points and to provide a dispensing arrangement of the generic type which is of simple construction and which has optimal properties with regard to ecological and hygienic or microbiological conditions and requirements.
  • the essence of the present invention is to enclose and discharge a certain amount in the conveying hose in a quasi step-wise or step-wise manner by means of a corresponding time control or training of the squeeze-oriented goods.
  • the two shown - in subclaims 2 and 6 respectively specified solutions are based on the one hand (claim 2) from a plurality of squeeze valves actuated in a coordinated manner and on the other hand (claim 6) from a hose squeeze pump which also partially includes the delivery pump.
  • the dispenser head can also have several
  • the dispenser head is realized with a sleeve, the material flows can be twisted or intertwined.
  • Figure 1 is a schematic representation of a first embodiment of the arrangement for pumping and dispensing.
  • 2 is an illustration of a dosing cycle of the in FIG.
  • Fig. 3 shows a detail A from Fig. 1 for explanation
  • FIG. 4 shows a basic illustration of an exemplary embodiment of a hose pinch valve
  • Fig. 5 is a schematic diagram of a second Aufzipprin zips of the pinch valves
  • Fig. 6 is a schematic representation of a second embodiment example of the arrangement for pumping and dispensing
  • FIG. 7 shows a basic illustration of a first exemplary embodiment of a dispenser head for two conveyed goods
  • Fig. 8 is a schematic diagram of a second embodiment example of a dispenser head for two goods to be conveyed
  • Fig. 9 shows a preferred in
  • FIG. 10 shows a detail C from FIG. 9 with regard to the passage of the delivery hose through the cover of the pressure vessel
  • Fig. 11 is a perspective view of the plastic container according to Fig. 9;
  • FIG. 12 shows a detail D from FIG. 11 in a longitudinal section
  • FIG. 13 shows an exemplary embodiment of a removal tube for a plastic container
  • 14 shows an exemplary embodiment of a removal lance for an artificial fabric container
  • FIG. 15 shows in four representations the formation of a connection for or with a removal lance according to FIG. 14.
  • the conveyed material to be dispensed is provided in a “semi-lexible plastic art container 1 known per se.
  • This plastic container is filled to the brim and without air pockets.
  • the combination of such a container with an integrated handle enables environmentally friendly transport to the consumer.
  • a particularly favorable embodiment of this type of packaging is the subject of patent application P 39 04 080.
  • the consumer places the flexible container 1 filled with the filling material in a pressure vessel 3.
  • the plastic container 1 has a FÜLL- and removal nozzle 6, which is also pressure-tightly connected to a conveyor ski 7.
  • the filler is also pressure-tightly connected to a conveyor ski 7.
  • a pressure medium preferably compressed air or water
  • a pressure generator 4 and a pressure reducer 5 which causes the flexible plastic container 1 to collapse (see arrow a ) and presses the material to be conveyed into the conveyor L as well.
  • the conveyor hose 7 is the end of the material to be conveyed directly or, if necessary, via a dispenser.
  • Four hose pinch valves 10, 11, 12, 13 are arranged in the illustrated exemplary embodiment along the conveying path, ie the conveying hose 7, each of which is functionally coupled to a control valve 10 ', 11', 12 ', 13'.
  • This control valve Le are in turn coupled to the pressure generator 15 via a second pressure reducer 14; the pressure set via the second pressure reducer 14 and acting on the hose pinch valves 10 ... 13 has an overpressure P2 effective in the pressure vessel 3 compared to a higher pressure value P3.
  • the control valves 10 '... 13' are activated in a specific and mutually coordinated sequence.
  • the Seh L also-squeeze valves 10 ... 13 squeeze the conveyor hose 7 in a certain way and press the conveyed material displaced into the conveyor hose 7 by the collapse of the plastic material container 1 in portions to the end or exit of the conveyor hose
  • the two pinch valves 10, 11 arranged towards the pressure vessel 3 are activated with a subsequent control pulse (sketch 2); the delivery hose 7 is squeezed in the area of these two pinch valves 10, 11. A part of the material to be conveyed is pushed back into the plastic container 1. A defined volume of material to be conveyed is now enclosed in the area between the shut-off pinch valve 13 and the two other pressurized pinch valves 10, 11. In order to avoid end-side spraying of the material to be conveyed when the shut-off pinch valve 13 is opened, the pinch valve which acts as a RELIEF VALVE 11 and shuts off the defined volume on the rear is relaxed. The enclosed conveyed material under pressure partially fills the corresponding part of the conveying tube 7 (see sketch 3). Now the actual dosing process begins.
  • the shut-off pinch valve 13 is opened, whereby the material to be conveyed is open to the end of the leek 7 (sketch 4). If the relief valve 11 and the DOSING-CRUSH VALVE 12 which determine the delivery volume are activated one after the other, the previously separated or enclosed delivery is expressed in terms of rank or applied (sketch 5). If the dosing squeezing element 12 is then opened again, a suction effect occurs at the outlet of the conveyor L 3uch 7 (see sketch 6).
  • shut-off pinch valve 13 is reactivated for the next dosing cycle; By opening the second SHUT-OFF CRUSH VALVE 10, material can now flow again.
  • the delivery rate can be selected or varied by throttling the air supply to the pressure vessel 3 and by selecting the dosing pinch valve 10 accordingly.
  • the transition from the plastic container 1 to the conveying hose 7 is explained with reference to FIG. 3.
  • the extraction nozzle 16 is closed by a hose lip L 17 provided with a thin point; the interior of the plastic container 1 is thus sealed tightly and cleanly.
  • FIG. 4 An exemplary embodiment with regard to the pinch valves 10 ... 13 is shown in FIG. 4.
  • the conveying valve 7 is inserted into a pinch valve.
  • This has a so-called guide tube 20, which encloses a housing 21, which is connected via a pressure tube 22 to the associated actuation valve 10 '... 13'. If this is activated, the conveying hose becomes via the guide hose 20
  • the guide tubes 20 are required to easily change the immediate
  • Conveying hose 7 can also be integrated in a one-piece unit. This is realized in that a reinforced PVC hose 25 is pushed onto the conveying hose 7. This then becomes the number of four
  • Pinch valve Len according to the inside of its longitudinal line welded longitudinally at a predetermined distance to the guide tube 7, so that 26 pressure or bellows chambers are formed between these - five - weld seams.
  • 26 pressure or bellows chambers are formed between these - five - weld seams.
  • connection piece 27 fixed and bores 28 machined, so pressurizing the conveying hose 7 can be compressed and shut off (compare dash-dotted lines).
  • FIG. 6 shows a second exemplary embodiment of an arrangement for pumping and dispensing.
  • the hose pump 33 shown has four pinch rollers Len 34, which force the material to be conveyed through the conveying hose 7 in a manner specific to the leek pump.
  • the peristaltic pump 33 is slightly turned back (see arrow b), so that a certain negative pressure is created at the end of the delivery hose 7.
  • the material to be conveyed at the end of the conveyor hose 7 is sucked back in this way.
  • a type of nozzle 35 of smaller diameter is plugged onto the end of the delivery hose 7. This acts like a capillary so that no drop can form.
  • a 35 instead of the nozzle elastically closing stopper can be used.
  • a dispenser head 40 which can be used in conjunction with two liquids to be discharged together will be explained.
  • the two liquids are each squeezed out via an arrangement for pumping and dispensing according to FIG. 1 or FIG. 6 and - corresponding to their different viscosities - conveyed in conveying leeks of different diameters.
  • Valve elements can be closed directly.
  • the sleeve 43 is coupled via a plug-in coupling 46 to the motor 41, 42 lying above it.
  • the coupling elements consist of translucent Material, light effects can be achieved due to the preferably different coloring of the goods to be conveyed or irradiated when rotating.
  • a control is provided which activates the connection between the delivery hoses 7, 7 'and the sleeve 43 according to the specific conditions, in particular goods to be conveyed.
  • the dispenser head described with reference to FIG. 7 is preferably suitable for example for ketchup and / or mustard and / or mayonnaise.
  • the dispenser head shown in FIG. 8 is suitable for salad dressings, ie dressings or the like.
  • the basic task of the dispenser head shown in FIG. 8 corresponds to that of FIG. 7.
  • no dispenser head is provided with a rotating quill, and the dispenser head 40 consists of a one-piece cylinder
  • Fig. 9 shows - in two basic views - a particularly suitable in connection with the concept described above plastic container 1.
  • This plastic container 1 is generally produced in the drawing or blow molding process, with two parallel extruded foils in a two-part form be shaped
  • this conception has the particular advantages that the container half 1b, which is softer or more flexible due to the smaller thickness d2, collapses relatively easily and - as indicated by the arrow a - evenly, so that the container contents are ultimately good, ie largely completely, can be squeezed out.
  • the lower representation of FIG. 9 in particular clearly shows how the more flexible container half 1b bites around the resulting inverted seam 1a / b and clings to the stiffer container half 1a from the inside.
  • FIG. 10 shows a special feature relating to the hose bushing (corresponding to the detail C according to FIG. 9) through the cover 2 of the pressure vessel 3.
  • the filling / removal nozzle 6 of the plastic container 1 is drilled in the cover 2 opposite a small hole 60 relative to the outside diameter of the delivery hose 7, then the edge pressure resulting from the internal pressure in the delivery hose 7 and the restoring force of the constriction of the inserted delivery hose 7 is sufficient, to adequately seal the implementation.
  • Fig. 11 shows a plastic container 1 in a perspective view.
  • This can be one made of one and the same foil material L, but also one made of differently rigid foil material according to FIG. 9.
  • the particular embodiment shown in FIG. 11 is that the plastic container has so-called flow channels 65, which - relative to the outside of the container - are realized as raised bulges, in particular a good residual emptying is made possible via these flow channels 65.
  • a novel immersion tube 80 is shown, which is tightly inserted through the filling / removal nozzle 6 of the plastic container 1 and on which the delivery hose 7 is attached.
  • the dip tube 80 has a plurality of holes 81 distributed over its length.
  • Fig. 14 shows an execution example L of a removal lance for a plastic container 1, which is molded in a manner known per se to an externally closed extension 86 (cf. DE-OS 39 28 855).
  • This approach 86 can - as shown in Fig. 14 - in turn have a support on the plastic container 1 handle 87. 15, the handling of the plastic container 1 during filling and emptying is explained.
  • a cap 88 of the extension 86 is cut off (sketch 1) so that the container 1 can be filled.
  • sketch 2 After the filling process itself (sketch 2) - cf.
  • a removal of lance 91 is now pushed across attachment 86 - cf. Sketch 4.
  • the removal of lance 91 is sealed on the two pierced walls of attachment 86 via the lips 92 that form. This sealing effect is further improved in the case of the art fabric container 1 illustrated with the aid of FIG. 9 with a stronger container wall.
  • funnel-shaped bulges 93 are integrally formed on the shoulder 86 during production, which ensure that the removal of the lance 91 as the desired joints of the removal, for the exact positioning thereof.
  • the contents of the container 1 can thus be removed via the bore 94 of the removal lance 91 and the delivery hose 7 attached to it or squeezed out.
  • Gap contamination possibility is possibly the
  • the smooth flow stream channel results in very favorable microbiological behavior; - If the pressurized plastic filled with the material to be conveyed is kept in contact with water, this results in a reduction in the specific
  • pressurized water is preferably used instead of compressed air for the pressurization of the transport container. Due to the complete containment of the transport container in the water, which under certain circumstances can even be tempered by circulating cooling, the dwell time is thus relatively long even in the opened state. Since an uninterrupted cold chain to the consumer should be guaranteed for many foods, overall, clearly cheaper container material can be selected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Pipeline Systems (AREA)
  • Nozzles (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

En relation avec un agencement pour le pompage et la distribution de liquides hautement visqueux avec une part importante de matières solides, ou des matières solides sous forme de segments de grande taille, en particulier destinées à l'utilisation pour aliments visqueux, la matière étant fournie dans un récipient en matière plastique (1) souple repliable, lequel est placé d'une part dans une enceinte sous pression (3) reliée à un générateur de pression (4) par l'intermédiaire duquel l'espace entre le récipient en matière plastique et l'enceinte sous pression est rempli par un fluide de pression, notamment par de l'air ou de l'eau, et lequel est relié d'autre part, de manière étanche à la pression, à un tuyau souple de distribution (7) qui déverse à son extrémité la matière transportée, il est proposé d'associer au tuyau souple de distribution un dispositif servant à exprimer la matière (10-13), lequel est réalisé par une pluralité d'éléments de compression fonctionnellement associés entre eux, par lesquels la matière transportée est menée à travers le tuyau souple de distribution. Il est proposé ainsi un agencement pour la distribution de liquides visqueux, lequel est de structure simple et présente des qualités écologiques et microbiologiques optimales.
EP92905752A 1991-03-14 1992-03-10 Agencement pour le pompage et la distribution de liquides hautement visqueux Expired - Lifetime EP0575382B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4108586 1991-03-14
DE4108586A DE4108586A1 (de) 1991-03-14 1991-03-14 Anordnung zum pumpen und dispensieren von hochviskosen fluessigkeiten oder dergleichen
PCT/DE1992/000196 WO1992016450A1 (fr) 1991-03-14 1992-03-10 Agencement pour le pompage et la distribution de liquides hautement visqueux

Publications (2)

Publication Number Publication Date
EP0575382A1 true EP0575382A1 (fr) 1993-12-29
EP0575382B1 EP0575382B1 (fr) 1996-01-24

Family

ID=6427456

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92905752A Expired - Lifetime EP0575382B1 (fr) 1991-03-14 1992-03-10 Agencement pour le pompage et la distribution de liquides hautement visqueux

Country Status (6)

Country Link
EP (1) EP0575382B1 (fr)
JP (1) JPH06505316A (fr)
AT (1) ATE133395T1 (fr)
AU (1) AU1355192A (fr)
DE (2) DE4108586A1 (fr)
WO (1) WO1992016450A1 (fr)

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US5727713A (en) * 1990-08-06 1998-03-17 Kateman Family Limited Partnership Closed dispenser product supply unit
AU6387094A (en) * 1993-03-22 1994-10-11 Precision Dispensing Systems Limited Flexible tube pump
US5368195A (en) * 1993-05-13 1994-11-29 Pleet; Lawrence Pressurized bag-in-bottle liquid dispensing system
US5516004A (en) * 1994-06-23 1996-05-14 Quoin Industrial, Inc. Pressure regulator and amplifier
US5526957A (en) * 1994-06-23 1996-06-18 Insta-Foam Products, Inc. Multi-component dispenser with self-pressurization system
DE9412073U1 (de) * 1994-07-26 1994-10-13 Wolf, Hans Bernd, Dr., 55252 Mainz-Kastel Flüssigkeitsbehälter
DE4431427C2 (de) * 1994-08-19 1998-07-23 Schenk Helga Anordnung zum portionsweisen Dispensieren von hochviskosen Medien wie zum Beispiel Waschpaste oder Lebensmittel
US6213739B1 (en) 1997-01-17 2001-04-10 Niagara Pump Corporation Linear peristaltic pump
US6036166A (en) * 1997-09-25 2000-03-14 Imi Cornelius Inc. Chamber valve
DE10059217C5 (de) * 2000-11-29 2010-10-14 Brand Gmbh + Co Kg Verfahen zum Abgeben von Flüssigkeitsvolumina sowie Abgabevorrichtung dafür
US7555979B2 (en) * 2005-01-28 2009-07-07 Emil Shultis Apparatus for producing a beverage
DE102008001204A1 (de) * 2008-04-16 2009-10-22 Robert Bosch Gmbh Einweg-Füllvorrichtung
DE202008015061U1 (de) * 2008-10-25 2009-02-19 Otto, Andreas Folienbeutel/Foliensack
DE102009003205A1 (de) * 2009-05-19 2010-11-25 Robert Bosch Gmbh Kombifüllstation
BE1019327A3 (nl) 2010-05-07 2012-06-05 Tatjana Yazgheche Een modulaire doseringsinrichting en een verdeelinrichting, omvattende een dergelijke doseringsinrichting.
ITTO20111093A1 (it) * 2011-11-28 2013-05-29 Claudio Fantolino Macchina distributrice di dosi di sostanze alimentari allo stato fluido
JP6906889B2 (ja) * 2015-03-19 2021-07-21 サントリーホールディングス株式会社 液体ディスペンサ

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Also Published As

Publication number Publication date
DE4108586A1 (de) 1992-09-17
EP0575382B1 (fr) 1996-01-24
JPH06505316A (ja) 1994-06-16
WO1992016450A1 (fr) 1992-10-01
AU1355192A (en) 1992-10-21
DE59205183D1 (de) 1996-03-07
ATE133395T1 (de) 1996-02-15

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