WO2005049427A1 - Appareil et procede de remplissage de recipients - Google Patents

Appareil et procede de remplissage de recipients Download PDF

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Publication number
WO2005049427A1
WO2005049427A1 PCT/EP2004/003798 EP2004003798W WO2005049427A1 WO 2005049427 A1 WO2005049427 A1 WO 2005049427A1 EP 2004003798 W EP2004003798 W EP 2004003798W WO 2005049427 A1 WO2005049427 A1 WO 2005049427A1
Authority
WO
WIPO (PCT)
Prior art keywords
product
shutter member
outlet
piston
nozzle body
Prior art date
Application number
PCT/EP2004/003798
Other languages
English (en)
Inventor
Massimo Boselli
Original Assignee
Procomac S.P.A.
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 Procomac S.P.A. filed Critical Procomac S.P.A.
Priority to EP04726451A priority Critical patent/EP1687205A1/fr
Publication of WO2005049427A1 publication Critical patent/WO2005049427A1/fr

Links

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
    • 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

Definitions

  • the invention concerns a filling machine and a method for the filling of containers with a fluid food product, for example a liquid product, having a density comprised within a wide density range and possibly comprising solid parts dispersed in the liquid.
  • a fluid food product for example a liquid product, having a density comprised within a wide density range and possibly comprising solid parts dispersed in the liquid.
  • the invention refers in particular to the sector of filling of containers with food preserves.
  • the prior-art filling machines known as "piston filler” machines, comprise a supply line of containers to be filled, an evacuation line of the filled containers and a filling apparatus placed between the supply line and the evacuation line.
  • the filling apparatus is generally inserted into a rotating structure and comprises a piston filler, wherein a piston is mobile with reciprocating movement inside a cylindrical liner in such a way as to suck the product from a system of supply conduits and subsequently direct it towards a nozzle that is located near an inlet mouth of a container waiting to be filled.
  • hot filling machines are completely unsuitable for processing fluid products that have largish solid parts, for example pieces of tomato or mushroom or meat, dispersed in a liquid. This inasmuch as the transition sections of the different conduits and in particular the section of the nozzles clog up when crossed by solid parts.
  • One object of the invention is to improve prior-art filling machines . Another object is to avoid having to resort to different filling machines according to whether a substantially liquid product or a fluid product containing largish solid elements has to be delivered into the containers. A yet further object is to provide a filling machine that is more versatile than those of the prior art.
  • a further object is to provide a machine that can fill a product that is maintained at a preset temperature. Another further object is to provide a "piston filler" filling machine that can package in an optimum manner products that are normally packaged in "hot fill” filling machines and with the typical performance of the latter.
  • an apparatus for filling containers, comprising a nozzle body having an inlet and an outlet, characterised in that said nozzle body may alternatively receive a first shutter member or a second shutter member, both being shiftable between an open position, wherein they allow the passage of a product respectively less and more homogenous through said outlet and a closed position wherein they prevent the passage of said product .
  • a method is provided for filling containers, comprising predisposing a nozzle body having an inlet and an outlet, characterised in that said predisposing comprises .
  • first shutter member or a second shutter member both being shiftable between an open position, wherein they allow the passage of a respectively less and more homogenous product through said outlet and a closed position wherein they prevent the passage of said product .
  • first member when the first member is mounted in the nozzle body, and is kept in a position far from the outlet, that a product comprising largish solid parts will pass through the body of the nozzle and exit from said outlet to- fill the container.
  • the second member when the second member is mounted, the latter may be taken to a position wherein it interferes with said outlet in such a way that the openings with which ' it is equipped enable a substantially liquid product to exit towards the container.
  • the nozzle body is mounted on a filling machine provided with a piston metering apparatus, arranged upstream of the aforesaid nozzle body.
  • the piston can be kept stationary in relation to the liner wherein it is inserted, as the substantially liquid product that flows through the body of the nozzle can descend through force of gravity from a container thereabove .
  • a filling machine equipped with a piston metering unit is provided for, wherein a product to be packaged is made to flow towards a container to be filled whilst the piston of said piston metering unit is kept stationary in relation to the liner wherein it is inserted.
  • the product to be packaged may proceed towards the container to be filled through the effect of gravity, or through the effect of slight overpressure in relation to the inside of the container.
  • Figure 1 is a diagram of a filling machine of containers
  • Figure 2 is an enlarged detail of a piston metering unit and of a nozzle body for filling a container
  • Figure 3 is a longitudinal section of a nozzle body and of a first shutter member in a closed position
  • Figure 4 is a section like the one in Figure 3, but with the first shutter member in an open position
  • Figure 5 is a section like the one in Figure 3, but showing a second shutter member mounted in place of the first shutter member;
  • Figure 6 is a section like the one in Figure 4, but showing a second shutter member mounted in place of the first shutter member .
  • a filling machine 2 is shown near a conveying line of containers 6 to be filled and/or a line of evacuation of the filled containers 6.
  • the filling machine 2 comprises a plurality of filling apparatuses 8 wherein the containers 6 are located to be filled.
  • Each filling apparatus 8 is equipped with a mobile plate 9 the height of which is adjustable, whereupon the bottom of each container 6 to be filled is located.
  • a main tank 10 containing a product P to be packaged is located at a greater height than the filling apparatuses 8.
  • a main supply conduit 12 of the product P leads away from a bottom portion of the main tank 10, which main supply conduit 12 discharges into a manifold 14 located immediately above the filling apparatuses 8.
  • a plurality of secondary supply conduits 16 lead away, each one of which supplies a piston metering unit 18 with interposition of a respective shut-off valve 20.
  • an intermediate conduit 22 emerges along which a nozzle delivering device 24 is located having an outlet 25 directed towards a mouth of a respective container 6 to be filled.
  • Each intermediate conduit 22 ' extends into a respective secondary return conduit 26, with interposition of a further shut-off valve 28.
  • the secondary return conduits 26 discharge into a return manifold 30, wherefrom a main return conduit 32 emerges, discharging into a recovery tank 34 of the product P. From a portion of the bottom of the intermediate tank 34, an extraction conduit ' 36 leads away, through which, by means of a pump 38, the product
  • the piston metering unit 18 comprises a liner 42 inside which a me ' tering piston- 44 is slidable with a reciprocating movement that ⁇ aspirates the product P from the secondary supply conduit 16 through the shut-off valve 20 and an elbow conduit 46 mounted on a head 48, to which the liner 42 is screwed.
  • the apparatus operates as a "piston filler”
  • the shut-off valve 20 is activated so that. when the piston 44 nears the head 48, the product P cannot retreat along the secondary supply conduit 16 but has to proceed along an initial stretch of the intermediate conduit 22, which leads to the delivering nozzle 24.
  • the delivering nozzle 24 comprises a nozzle body 50 equipped with an inlet 52 communicating with the outlet 25 by means of a tubular cavity 54.
  • a first shutter member 56 is slidingly mounted having an elongated cylindrical form that has one of its ends coupled with a transversal element 58 fixed to a corresponding end of a rod 62 of a further actuating piston 60 slidable in a further cavity 64 obtained in the nozzle body 50 and arranged parallel to the cavity 54.
  • the further piston 60 may run inside the further cavity 64 through the action of pressurised air that acts alternatively on each of its faces.
  • the free end of the first shutter member 56 i.e.
  • the end opposite the end engaged by the transversal element 58 occupies the outlet 25, thereby preventing the product P from exiting through the latter.
  • the product P pushed by the action of the piston' 44, may flow along the elbow conduit 46 if the further shut-off valve 28 is kept shut and the shut-off valve 20 is kept open.
  • the product P may pass from the inlet 52 to a return chamber 66 of the nozzle body 50 and proceed along the secondary return conduit 26 after the further shut-off valve 28 has been opened and the shut-off valve 20 is kept shut.
  • This second operating mode enables the different conduits and the valves .with which the product P interacts to be kept at a temperature near the temperature of the product P .
  • FIG. 4 an open position of the first shutter member 56 is shown wherein the first shutter member 56 is shifted by the further piston 60 to a position far from the outlet 25 in such a way that the product P can freely flow from the inlet 52 to the outlet 25 under the action of the piston 44, whereas the further shut-off valve 28 is in a closed position, wherein it prevents the product P from flowing along the secondary return conduit 26.
  • the dimensions of the inlet 52 and of the tubular cavity 54 and of the return chamber 66 are selected in such a way that a flowing product P containing largish solid parts that are not shown can pass through them.
  • the outlet 25 is defined in its part nearest the container to be filled 6 by an end body 65 connected to the nozzle body 50 by a first screw 84.
  • the same delivering nozzle 24 is shown wherein, instead of the first shutter member 56, a second shutter member 68 is mounted in the cavity 54.
  • the part of the second shutter member 68 furthest from the transversal element 58 has a through transversal hole 70 that does not communicate with the inlet 52.
  • the inlet 52 on the other hand communicates with an annular chamber 72 defined between the tubular cavity 54 and an intermediate stretch 74 of the second shutter member 68 having a smaller transversal dimension than the remaining part of the second shutter member 68.
  • the annular chamber 72 furthermore communicates with a bypass conduit 76 that discharges in the return chamber 66.
  • the outlet 25 is obstructed by a terminal part 78 of the second shutter member 68 that is provided with a gasket 4 that prevents the passage of the product P through the outlet 25.
  • the product P may pass from the inlet 52 to the return chamber 66 through the annular chamber 72 and the bypass conduit 76 through for example the action of the force of gravity whereas the piston 44 is kept stationary, i.e. motionless inside the liner 42.
  • the bypass conduit 76 is partly situated inside a further end body 77 that is mounted on the nozzle body 50 in place of the terminal body 65.
  • the further piston 60 has shifted the second shutter member 68 to a position wherein the second shutter member 68 has its terminal part 78 protruding from the outlet 25.
  • the inlet 52 communicates with the transversal hole 70 and the product P can pass through a longitudinal conduit 80 that extends from the transversal hole 70 along the intermediate stretch 74 until it reaches the end part 78 and discharges laterally therefrom. From the transversal hole 70 the product P can thus pass along the longitudinal conduit 80 and emerge from the end part 78 into the container 8 to be filled.
  • a resilient ring 82 for example in rubber or in elastomeric material, is fitted in a position near the outlet 25, in such a way as to guarantee that the containers 8 are tightly positioned against it in a filling configuration.
  • the air initially contained in the container 6 exits therefrom through an air space 5 defined between the housing of the end part 78 and the intermediate stretch 74 and can be discharged to the outside through the return chamber 66: in this way the machine operates as a "hot fill" filling machine.
  • the pistons 44 of each filling apparatus 8 are kept stationary in the respective liners 42 by acting on the tilt ⁇ of a disk cam 11 by which all the pistons 44 are controlled.
  • the cam 11 is adjusted in such a way as to form a sui-table angle in relation to a horizontal plane so that the pistons 44 can perform a desired stroke, when the apparatus is operating in "hot fill” mode, this angle is eliminated, so that the pistons 44 do not perform any stroke in the liners 42.
  • a comparison between the embodiments in figures 3, 4 and 5, 6 shows how it is possible in quite a simple manner to remove the first shutter member 56 from the cavity 54 after loosening a screw 86 connecting to the transversal element 58 and. after dismantling the end body 65.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un appareil destiné à remplir des récipients (8) et comprenant un corps de buse (50) possédant une entrée (52) et une sortie (25), ce corps de bus (50) permettant de recevoir, en alternance, un premier volet (56) ou un second volet (68), ces deux volets pouvant passer d'une position ouverte, dans laquelle ils permettent le passage d'un produit (P) relativement homogène par l'intermédiaire de la sortie (25), à une position fermée, dans laquelle ils empêchent le passage dudit produit (P).
PCT/EP2004/003798 2003-11-19 2004-04-08 Appareil et procede de remplissage de recipients WO2005049427A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04726451A EP1687205A1 (fr) 2003-11-19 2004-04-08 Appareil et procede de remplissage de recipients

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMO20030312 ITMO20030312A1 (it) 2003-11-19 2003-11-19 Apparato e metodo per riempire contenitori.
ITMO2003A000312 2003-11-19

Publications (1)

Publication Number Publication Date
WO2005049427A1 true WO2005049427A1 (fr) 2005-06-02

Family

ID=34611251

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/003798 WO2005049427A1 (fr) 2003-11-19 2004-04-08 Appareil et procede de remplissage de recipients

Country Status (3)

Country Link
EP (1) EP1687205A1 (fr)
IT (1) ITMO20030312A1 (fr)
WO (1) WO2005049427A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB915146A (en) * 1960-06-08 1963-01-09 Kooperativa Foerbundet Improvements relating to filling containers with viscous substances
GB938877A (en) * 1960-11-24 1963-10-09 Richard Hengstenberg Method of and an apparatus for canning sauerkraut, leaf spinach and other leaf vegetables
US3289712A (en) * 1964-02-04 1966-12-06 Chemetron Corp Receptacle filling machines
US4518021A (en) * 1984-02-03 1985-05-21 Apv Anderson Bros. Inc. Machine for filling containers
EP0850838A1 (fr) * 1996-12-23 1998-07-01 RONCHI MARIO S.r.l. Valve avec obturateur commandé pour la distribution dosée de liquides dans les machines automatiques de remplissage de conteneurs ou similaires
EP1310454A1 (fr) * 2001-11-09 2003-05-14 Sig Simonazzi S.P.A. Bec de remplissage pour machine d'embouteillage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB915146A (en) * 1960-06-08 1963-01-09 Kooperativa Foerbundet Improvements relating to filling containers with viscous substances
GB938877A (en) * 1960-11-24 1963-10-09 Richard Hengstenberg Method of and an apparatus for canning sauerkraut, leaf spinach and other leaf vegetables
US3289712A (en) * 1964-02-04 1966-12-06 Chemetron Corp Receptacle filling machines
US4518021A (en) * 1984-02-03 1985-05-21 Apv Anderson Bros. Inc. Machine for filling containers
EP0850838A1 (fr) * 1996-12-23 1998-07-01 RONCHI MARIO S.r.l. Valve avec obturateur commandé pour la distribution dosée de liquides dans les machines automatiques de remplissage de conteneurs ou similaires
EP1310454A1 (fr) * 2001-11-09 2003-05-14 Sig Simonazzi S.P.A. Bec de remplissage pour machine d'embouteillage

Also Published As

Publication number Publication date
EP1687205A1 (fr) 2006-08-09
ITMO20030312A1 (it) 2005-05-20

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