CA1291021C - Packaging machine having individual controlled atmosphere chamber means for each package - Google Patents

Packaging machine having individual controlled atmosphere chamber means for each package

Info

Publication number
CA1291021C
CA1291021C CA000557012A CA557012A CA1291021C CA 1291021 C CA1291021 C CA 1291021C CA 000557012 A CA000557012 A CA 000557012A CA 557012 A CA557012 A CA 557012A CA 1291021 C CA1291021 C CA 1291021C
Authority
CA
Canada
Prior art keywords
package
conveyor
receptacle
bag
path
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.)
Expired - Lifetime
Application number
CA000557012A
Other languages
French (fr)
Inventor
Gino Rapparini
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.)
I C A SpA
Original Assignee
I C A SpA
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
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Application filed by I C A SpA filed Critical I C A SpA
Application granted granted Critical
Publication of CA1291021C publication Critical patent/CA1291021C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/022Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas the chambers moving in an endless path

Abstract

ABSTRACT OF THE DISCLOSURE

In a packaging machine, a plurality of upwardly open recep-tacles are moved along a first path by a first conveyor and a plurality of packages are formed and inserted into each recepta-cle respectively. The packages may be filled before or after insertion into the receptacle. A plurality of covers are movable on a second closed path by a second conveyor and are brought into sealed engagement with a respective receptacle to define a sealed chamber. A pressure control device is connected to each chamber by means of a rotatable plenum chamber and a plurality of flexible conduits connected between the rotatable plenum chamber and each sealed chamber. After subjecting the contents of each package to the desired pressure, each package is sealed and subsequently removed from the receptacle.

Description

~g~oz~

The present invention is directed to an automatic packaging machine having individual controlled atmosphere chambers for each package movable along a conveyor and more specifically to controlled atmosphere chamber means comprised of a plurality of package receiving base members movable along a first closed path conveyor and a plurality of covers connected to a common atmosphere controlling means movable along a second closed path partially overlapping the first closed path for sealing engagement lo with the base members.
It is well know from industrial practice, technical magazines and international patent literature that various packaging machines are provided with means for controlling the atmosphere completely or partially during the package filling and sealing operation. In such machines, the empty bags are transferred from a forming station to a filling conveyor and subsequent to being filled, the bags are transferred into a chamber which is then sealed. The interior of the sealed chamber is then subjecting to a vacuum or other controlled atmosphere depending upon the nature of the packaging operation.
During the transfer of the bags from the forming stations to the filling stations and from there to the controlled atmosphere chambers, numerous disadvantages can arise which would restrict the efficiency of the entire packaging process. There is always the possibility of mishandling the bag during the numerous transfers with the possible consequent spilling of the content of the bag before the bag can be sealed. The frequent transferring of the bag also leads to the possibility of the bunching up of the bags or a jamming of the bags on the various conveyors utilized in the multiple transfer operation.
According to the present invention, there is provided a packaging machine comprising first conveyor means movable along a first path; a plurality of upwardly open receptacles mounted on said first conveyor means for ~k ~9~

movement therewith along said first path; means for forming and directly inserting a package vertically downwardly in~o each of said upwardly open receptacles, second conveyor means disp~sed above said first conveyor means ~or movement along a second path at least partially coincident with said first path; a plurality of cover means carried by said second conveyor means for movement into sealing engagement with a respective upwardly open receptacle having an open package therein to define a sealed chamber; atmosphere controlling means connected to each of said cover means for controlling the atmosphere in each sealed chamber; and means for removing each package from a respective receptacle; wherein said means ~or forming and directly inserting a package into each of said receptacles includes package forming means comprised of a plurality of vertically disposed mandrels movable about a circular path at least partially coincident with said first closed path;
sheet feeding means for supplying package forming material to each mandrel in sequence; and means associated with each mandrel for inserting an open package downwardly into each receptacle.
Thus, the present invention provides a new and improved packaging machine which overcomes all of the shortcomings of the prior art packaging machines by introducing the bags immediately after their formation directly into the base portion o~ the controlled atmosphere chamber and leaving each bag in the same base member during all subsequent operations before removal as a completely filled sealed bag. As a result, possible jamming and mishandling of the bags is prevented.
Embodiments of the invention will now be described, by way of example, with reference to the accompanying drawings, in which:
Figure 1 is a schematic perspective view of an embodiment of packaging machine according to the present ~29~)2~

invention showing the specific components of each conveyor in a first position;
Figure 2 is a schematic view of a packaying machine similar to that shown in Figure 1 with the components of the conveyor systems disposed in a second position;
Figure 3 is a perspective view of a packaging machine similar to that shown in Figure 2 with the components of each conveyor system and disposed in a third position;
Figures 4 - 8 show different configurations of the first and second conveyor paths with the portions thereof which are adapted to be disposed in coincident overlapping relation shown in heavy solid lines;
Figures 9 - 13 show a plurality of additional closed path configurations wherein the first and second conveyor means are shown with the coincident overlapping portions shown in heavy solid lines and wherein the path of the bag forming means is shown adjacent the opposite end of the first closed path;
Figure 14 is a schematic view similar to Figure 1 but utilizing a second modified bag forming means; and Figures 15 - 18 are schematic views similar to Figure 1 but utilizing a third, fourth, fifth and sixth modified bag forminy means.
The packaging machine as shown in Figures 1 - 3, inclusive, is comprised of a first endless conveyor 25 and a second endless conveyor 26 disposed in two superimposed parallel planes such that the second endless conveyor 26 is disposed above the first endless conveyor 25 with a substantial proportion of the second conveyor 26 being aligned with the first conveyor 25. The plurality of upwardly open receptacles 1 - 2~ are mounted on the first endless conveyor 25 in equally spaced relation for movement along a first closed path. A plurality of covers for the open receptacles identified by I-X are mounted on the ~.' ..

~9~ 2~

second endles~ conveyor 26 in equally spaced relation with the spacing between each cover being equal to the spacing between each receptacle on the first endless conveyor 25.
A driving arrangement is provided for the conveyors 25 and 26 so as to synchronize the movement of the receptacles 1 - 24 with the covers I-X upon movement of the covers and receptacles along their respective closed paths. Each cover will be brought into sealing engagement with a respective receptacle to define a sealed chamber therein.
A vacuum pump 29 is connected to a rotatable plenum chamber 28 by means of a pipe 30 and the plenum chamber 28 which is rotatable with the conveyor 26 is connected to each cover I-X by means of a flexible conduit 28'. The vacuum pump 29 is provided with a suitable pressure gauge 29' and each of the sealed 2~

chambers defined by the receptacles 1-24 and covers I-X are provided with a pressure gauge 60.
Sealing jaws (not shown) are located inside each cover member for heat sealin~ the packages after the chambers have been pressurized to the desired value. The packages are heat sealed by the sealing jaws which are connected by suitable wiring through the flexible conduit 28' to the rotary pulse distributor 32 which in turn in connected by slip rings to a pulse generator 31.
The first conveyor 25 has a generally oblong configuration with the pressure treatment apparatus for the filled bags being located at one ourved end of the conveyor. A bag forming appara-tus is located at the opposite curved end of the conveyor and is comprised of a rotatable mandrel 42 having a plurality of arms upon which the bag is formed. A supply of flexible film 43 is located above the mandrel, whereby the package forming material is fed vertically downwardly into close proximity with the radial outer face of an arm o~ the mandrel. The lower end of the sheet material is clamped against the mandrel by means of a clamp 46 and a sheet of material 124 for forrning a single package is severed from the remaining sheet supply by means of a cutter 47.
The endless sheet supply may be already preprinted with labels for the packages so that the individual sheets 124-129 will be already laid out on the endless sheet supply. Each cut sheet is held on the respective arm of the mandrel by a vacuum system (not shown) so that as the mandrel 42 is rotated, the individual sheets are formed into packages as indicated by the various stages of bag formation 120-123. As shown in Figure 1, a com-pletely formed bag 119 has been ejected from the mandrel into the receptacle 1 on the conveyor 25 by means of a plunger mechanism ~Z 9~ V2~

45 controlled by the cam 44. The entire bag forming and ejection apparatus is old and well known in the art and does not ~orm a part o~ the present invention, but is used ln con~unction with the upwardly open receptacles 1-24 inclusive which constitute part of the presen-t invention~
As the conveyor moves the receptacles 1-24 along the closed path, each bag will stop at a filiing station 3~, whereby the bag is filled with the desired contents. The contents for the present invention may be a loose granular material such as coffee or the like. The filled bag will then move to a tamping station 34, where a tamper will press the filled material firmly into the bag. As the filled bag is moving from the filling station 33 to the tamping station 34, a projection extending from the bottom of the receptacle will pass over a vibrating member in order to vibrate the loose granular material in the package to settle it evenly within the package or bag. The projection extending from the bottom of each receptacle is connected to a movable bottom wall in the receptacle.
The bag then moves to a measuring station 36 having conven-tional means for measuring the level of the filled material within the bag. The bag will then move to a station 37 having suitable fin~ers for forming the bellows in the sides of the bay to facilitate a subse~uent closing operation. The bag will then move to the next station, wherein a cutter 38 will sever the excess material o~ the bag.
After these preliminar~ operations, the bag which is still in the open condition, will move to a station wherein the cover on the second conveyor 26 will be mated with the upwardly open receptacle on the conveyor 25, so as to enclose the filled bag in a sealed chamber. Assuming it is desirable to evacuate the air . ., ,.,.. , .:, .

~91~2~L ' from the bag prior to sealing the bag, the vacuum pump 29 will be operated to evacuate the air rom the sealed chamber having the filled bag th~rein. As the bag continues it~ movement on the conveyor 25, the sealing jaws will heat seal the upper ends of the bag. The chamber will subsequently be returned to atmospher-ic pressure and the cover will be separated from the outwaxdly open mandrel. As indicated by the arrow, the sealed upper end o~
tha bag 102 will then be folded over and upon reaching the statlon 3~, a plunger will press the folded flap against the upper sur~ace of the bag to achieve the ~inal flattening of the bag. At the next station, a tape applying device 40 applies a strip of adhesive tape to hold the Elap down against th~ upper surface of the bag in sealed relation. At the subseguent sta-tion, a transfer device 41 will grip the bag 99 and lif~ it onto a third conveyor 27 for transfer to a suitable packaging station.
To ~acilitate the gripping of the bag 99 by the transfer device 41, the cam track will push the bottom of the upwardly open receptacle upwardly to push the sealed bag ~urther out of the receptacle. The empty receptacle will then continue around the conveyor to receive another empty bag from the bag forming mandrel.
Each of the bags shown in Figure 1 are numbered consecutive-ly ~rom 95 to 119, wh'le the bags belng Eormed are numbered consecutively ~rom 120 to 124. Additional sheets for ~orming the bags are illustrated on a sheet supply by the numerals 125-129.
In Figure 2, which is a substantially identical view to Figure 1, the bags have been moved through ten stations and in Figure 3 the bags have been moved an additional seven stations. Thus, it is clear that once a bag is formed on a bag forming mandrel, it is trans$erred into a receptacle and remains in the same receptacle ., , ... ,., :. ; .,;;.,,,, .i,, ,~,. . .

Z~

during the entire operation until the completely filled, formed and degassed bag is removed from its r~ceptacle by the transfer device 41.
While a vacuum pump has been illustrated in Figures 1-3, it is possible that it may be necessary to subject the filled bag to a pressurized inert gas 3 in which c~se a suitable pump could be provided for connection to each of the sealed chambers for carrying out such a pressurizing operation prior to the sealing of the bags within the sealed chamber.

In the examples shown in Figures 1-3, the first and second conveyors 25 and 26 both move along closed oblong paths, each having the same curvature at one end so that portions of the two paths may be superimposed on each other. Other forms of paths are shown in Figures 4-8 with the portions which will be over-lapped shown in heavy solid lines. Still further arrangements of the two conveyors have been illustrated in Figures 9-13 with the path of the bag forming apparatus being superimposed at the opposite end of the elongated conveyor path oE the first convey-or.
Figure 1~ shows an embodiment similar to Figure 1 insoar as the arrangement oE the firsk and second conveyors 25 and 26 is concerned, but wherei.n the bag forming apparatus is offset to one sicle o the conveyor so that the arm o the mandrel having a completed bag thereon, will come into alignment with an upwardly open receptacle travelling along the Eirst closed path o the first conveyor.
The embodiment of Figure 15 is substantially identical to the embodiment of Figures 1-3 insofar as the first and second conveyors 25 and 26 and the associated apparatus are concerned.

. . . . . ........ .......

~9~21 However, in Figure 15, the bags are formed by any suitable bag forming appara-tus and convayed along a linear conveyor 49 with the end oE the conveyor 49 being aligned with an upwardly open receptacle. Suitable means are provided on the end of the conveyor ~or transferring an upwardly open bag downwardly into an upwardly open receptacle.
The embodiment of Figure 16 is similar to the embodimen~ of P'igure 14 inasmuch as the bag forming is carried out by means of a rotatable mandrel having a plurality of arms. However, the mandrel 42' in Figure 16 is rotatable hy a horizontal axis and is provided with a plurality of bag forming arms which are all located in a common vertical plane disposed above the path of the first conveyor 26. Thus, a completely filled bag will be present on the vertically downwardly extending arm and transfer means are provided within the arm for transferring the formed bag downward-ly into the upwardly open receptacle aligned therewith.
In the embodiment of Figure 17, the first and second convey-ors and the pressure treatment apparatus are substantially identical to all the previous embodiments. However, in this case, a conventional bag forming and filling apparatus 43 is provided wherein the flaps on the upper end of the bag are flattened into engagement with each other by means o~ a crimping apparatus 48, but the bags are not sealed. The ~illed bag is then deposited into an upwardly open conveyor, thereby eliminat-ing the need ~or the Eilling and level measuring apparatus at subsequent stations. The bags are still vibrated and excess material of the flaps are trimmed oEf by cutter 38 prior to subjecting the bag to a pressurized treatment.
~ he embodiment of Figure 18 is similar to the embodiment of Figure 16, wherein the bag forming apparatus is comprised of a --~3-- . .

129~2~. -matldrel 42' rotatable about a vertically disposed axis and havinga plurality of radially extending arms all disposed in a common horizontal plane. Thus, it is necessary for the first conveyor 25 to have a tilted portion for tilting the receptacles thereon into a horizontal position for insertion of a completed bag from one o the arms of the mandrel 42'' into the receptacle. The receptacle having the bag therein is then tilted back to the upright position for all of the subsequent operations previously descri~ed.
While the lnvention has been particularly shown and de-scribed with reference to preferred embodiments thereof, it will be understood by those in the art that the foregoing and other changes in form and details may be made therein without departing from the spirit and scope of the invention. : :

Claims (5)

1. A packaging machine comprising first conveyor means movable along a first path;
a plurality of upwardly open receptacles mounted on said first conveyor means for movement therewith along said first path;
means for forming and directly inserting a package vertically downwardly into each of said upwardly open receptacles, second conveyor means disposed above said first conveyor means for movement along a second path at least partially coincident with said first path;
a plurality of cover means carried by said second conveyor means for movement into sealing engagement with a respective upwardly open receptacle having an open package therein to define a sealed chamber;
atmosphere controlling means connected to each of said cover means for controlling the atmosphere in each sealed chamber; and means for removing each package from a respective receptacle;
wherein said means for forming and directly inserting a package into each of said receptacles includes package forming means comprised of a plurality of vertically disposed mandrels movable about a circular path at least partially coincident with said first closed path;
sheet feeding means for supplying package forming material to each mandrel in sequence; and means associated with each mandrel for inserting an open package downwardly into each receptacle.
2. A packaging machine as set forth in claim 1, wherein said first and second conveyor means are endless conveyors moving along first and second closed paths with said upwardly open receptacles and said cover means being disposed in equally spaced apart relation to ensure mating of said cover means with said receptacles, respectively.
3. A packaging machine as set forth in claim 1, further comprising rotatable plenum means mounted for synchronous movement with said first and second conveyor means;
flexible conduit means connected between said plenum chamber and each of said cover means for connecting the interior of the plenum chamber with the interior of each of said sealed chambers; and pressure controlling means connected to said plenum chamber for controlling the pressure in each of said sealed chambers.
4. A packaging machine as set forth in claim 1, 2 or 3, further comprising means for filling each package in sequence prior to bringing one of said cover means into sealing engagement with a receptacle having a filled package therein.
5. A packaging machine as set forth in claim 1, 2 or 3, wherein said means for forming and directly inserting a package into each upwardly open receptacle includes means for forming, filling and partially closing each package prior to insertion into a receptive receptacle.
CA000557012A 1987-01-21 1988-01-21 Packaging machine having individual controlled atmosphere chamber means for each package Expired - Lifetime CA1291021C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1.3326A 1987-01-21
IT8703326A IT1207602B (en) 1987-01-21 1987-01-21 MACHINE FOR VACUUM PACKAGING OR IN A CONTROLLED ATMOSPHERE WITH BELLS AND COVERS ALWAYS SOLIDLY WITH TWO DISTINCT ANULAR CONVEYORS

Publications (1)

Publication Number Publication Date
CA1291021C true CA1291021C (en) 1991-10-22

Family

ID=11105030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000557012A Expired - Lifetime CA1291021C (en) 1987-01-21 1988-01-21 Packaging machine having individual controlled atmosphere chamber means for each package

Country Status (19)

Country Link
EP (2) EP0275346B1 (en)
JP (1) JPH01501858A (en)
CN (1) CN1015975B (en)
AR (1) AR247164A1 (en)
AT (1) ATE74561T1 (en)
AU (1) AU594479B2 (en)
BG (1) BG49821A3 (en)
BR (1) BR8707636A (en)
CA (1) CA1291021C (en)
CZ (1) CZ279055B6 (en)
DE (1) DE3778142D1 (en)
DK (1) DK522188A (en)
ES (1) ES2030011T3 (en)
FI (1) FI85003C (en)
GR (1) GR3004322T3 (en)
HU (1) HU204466B (en)
IT (1) IT1207602B (en)
SU (1) SU1671158A3 (en)
WO (1) WO1988005401A1 (en)

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DE3901853A1 (en) * 1989-01-23 1990-08-02 Jagenberg Ag FILLING AND SEALING MACHINE FOR ASEPTICALLY PACKING STERILE FILLING GOODS IN A CUP OD. DGL.
CN1039195C (en) * 1995-02-22 1998-07-22 江西制药有限责任公司 Gastric slow-released preparation of curing gastrosia by killing pyloric spirillum
ITMI20022461A1 (en) * 2002-11-19 2004-05-20 Ilapak Macchine Automatiche S A PLANT AND DEVICE FOR CONTINUOUS PACKAGING IN MODIFIED ATMOSPHERE OF FOOD PRODUCTS
CZ293700B6 (en) * 2002-12-23 2004-07-14 Jan Ing. Mašek Packing machine for vacuum packing
US7219480B2 (en) * 2003-08-06 2007-05-22 Alcoa Closure Systems International, Inc. Capping and nitrogen dosing apparatus
US9676351B2 (en) 2013-10-11 2017-06-13 The Boeing Company Modular equipment center solid state primary power switching network
US9183983B2 (en) 2013-10-11 2015-11-10 The Boeing Company Modular equipment center integrated truss sensors
US9561760B2 (en) 2013-10-11 2017-02-07 The Boeing Company Modular equipment center distributed equipment packaging truss
CA2859807C (en) 2013-10-11 2018-08-14 The Boeing Company Modular equipment center solid state primary power switching network
US9533636B2 (en) 2013-10-11 2017-01-03 The Boeing Company Remote modular equipment center architecture
US9511728B2 (en) 2013-10-11 2016-12-06 The Boeing Company Modular equipment center distributed primary power architecture
US9561867B2 (en) 2013-10-11 2017-02-07 The Boeing Company Modular equipment center lightning threat reduction architecture
US9413162B2 (en) 2013-10-11 2016-08-09 The Boeing Company Modular equipment center distributed independent protections
US9561761B2 (en) 2013-10-11 2017-02-07 The Boeing Company Modular equipment center zonal standalone power system control architecture
ES2574850B1 (en) * 2014-12-22 2017-03-28 Pfm Iberica Packaging Machinery, S.A. Procedure for dislodging the oxygen content in flexible, open-top packages, held suspended in a horizontal packaging line and a device suitable for the implementation of the procedure.
PL3040286T3 (en) * 2014-12-30 2017-06-30 Multivac Sepp Haggenmüller Se & Co. Kg Packaging machine with a fluid pump assembly
CN108698717A (en) * 2016-03-02 2018-10-23 西门子工业公司 The system and method for wrapping up automatic bagging

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601210B2 (en) * 1981-05-23 1985-01-12 株式会社古川製作所 automatic packaging machine

Also Published As

Publication number Publication date
IT8703326A0 (en) 1987-01-21
IT1207602B (en) 1989-05-25
BG49821A3 (en) 1992-02-14
CS8800363A2 (en) 1991-10-15
JPH01501858A (en) 1989-06-29
HUT56318A (en) 1991-08-28
EP0275346B1 (en) 1992-04-08
DK522188D0 (en) 1988-09-20
FI884178A (en) 1988-09-12
HU204466B (en) 1992-01-28
EP0298994A1 (en) 1989-01-18
WO1988005401A1 (en) 1988-07-28
BR8707636A (en) 1989-10-31
EP0275346A1 (en) 1988-07-27
CN1015975B (en) 1992-03-25
FI884178A0 (en) 1988-09-12
ES2030011T3 (en) 1992-10-16
GR3004322T3 (en) 1993-03-31
ATE74561T1 (en) 1992-04-15
AU7511687A (en) 1988-08-10
FI85003C (en) 1992-02-25
CZ279055B6 (en) 1994-12-15
AU594479B2 (en) 1990-03-08
AR247164A1 (en) 1994-11-30
DK522188A (en) 1988-09-20
DE3778142D1 (en) 1992-05-14
CN87104757A (en) 1988-08-03
FI85003B (en) 1991-11-15
SU1671158A3 (en) 1991-08-15

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