DE1586282A1 - Device for sterile packaging of goods in disposable packaging - Google Patents

Description

PATENT LAWYERS DIPL-ING. HANS BEGRICH. DIPL-ING. ALFONS WASMEIER

REGENSBURG 3 LESSINGSTRASSE 10

Patent attorneys, Anbich Wusmeier, 8400 Regensburg 3, Postfach 11

To the
German Patent Office

8 Munich 2

Zweibrückenstrasse 1 2

Telephone 0941/31055 Bayer. State Bank, Regensburg 507 Postal check account: Munich 89369 Telegrams: Begpatent Regensburg

Your sign Your message from

Please state our reference in the answer

a / p

17. Kov. 1967 W / we

öocaltra üociete Alsacienne d ¹ Etudes et de Travaux,

6, bis, rue des Graviers, Reuilly-sur-Seine, Hauts-ae-Seine,

France

Device for sterile packaging of goods in disposable packaging

The invention "refers to a device for sterile Packaging of sterilized goods in liquid, doughy or granular iorm, especially food, in disposable containers.

The object of the invention is to provide a device which an effective sterilization of the packaging is guaranteed and it is under construction. According to the invention, the device the following features:

A tight case with a magazine inside plastic material or multi-layer material such as plastic ode

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Cardboard aluminum in strips.fo.rm, which forms a coil, a device for producing a container from this strip, a device for filling aes to be packaged Good things in the container .wahrena its manufacture, a facility to maintain a clean atmosphere inside the housing, a device for the emission of penetrating sterilizing radiation (e.g. X-ray ore Gamma rays) for sterilizing the dispute made of plastic, a device for sealing the items with the sterilized items filled packaging and a device for separating it Packaging of the subsequent packaging in production.

To increase the effectiveness of the system, a ready-to-use reflector is placed around the source for the sterilizing system. The facility can also act as a supervisory authority. _ü an uncontaminated .atmosphäre ii / i inside the housing consist of a pressurized feed of a clean gas. The source for the sterilizing radiation is arranged, for example, at the point where the quarrel begins to assume its tubular shape for the manufacture of the container. The tire coil is preferably arranged at a point where it is also exposed to the action of the sterilizing radiation. . Between the 'coil and the device for producing aes container, the arguing can be carried out over vValzen, which give it a loop-shaped course in the area of the sterilizing radiation.

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The housing is e.g. equipped with a heating device and has a burst device with a burst arrangement Purification of quarreling with Hilie a sterilizing liquid on. Furthermore, in the 'pick of the coil a Einricntung for Connection of the end of the expired, strip with the aniang of the new strip.

The housing is preferably divided into two parts by a partition divided, one of which is movable and a magazine bilaet, wiinrenä the other, above all, the equipment for producing the packaging container as the source of the decongested radiation contains. The partition wall here has an opening for the inlet of strife, which is endowed with an institution, which can be closed as needed to provide the second light To ensure part of the housing when the first part is opened in order to insert a new btreiiei.Si.uie into it their connection with the ab ^ e ^ outside coil: .determine. the Partition wall can also have a window that allows the sterilizing Radiation enables the strip tape inserted in the magazine to reach. It is an advantage to close the window with the help of a movable flap, even in front of the window We closed the au magazine.

Le.r solid housing part has ir.scesaiiviere an exit opening for the filled, but not yet closed container. A bead for an ir'asserspaltuna can be attached to this opening a device for supplying the lost water

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from this water gap seal onto the electrodes of the welding device be provided for the container for their cooling. This facility is e.g. a tropiring.

The source for the sterilizing radiation is preferably from a rotatable holder carried whose axis to the axis of the tubular Part for the production of the packaging container coaxially lies. A device with a low speed drive is preferably provided for rotating this holder.

The rotatable part can contain several magazines arranged in a star shape and be mounted on the fixed part of the housing. For this purpose, the solid part has a cylindrical shape * Between the oeiden Ring seals can be provided for exact parts. The rotatable part can with the help of a locking device in a certain angular position can be fixed, so that each magazine the Heine to be locked in front of the opening of the fixed part can.

The Swiss company for the container filled with the goods has e.g. an ultrasound machine. The ultrasound generator preferably has a porm that allows the use of a / tool allowed, whose energy acts on an abutment. as Variants can also be provided with two ultrasonic generators that are opposite one another.

In the following two Ausiührungsbeispiele the invention explained with reference to drawings.

* suitable

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The drawings show i -

1 shows a schematic vertical section through an inventive Device and

Figure 2 is a schematic view of another according to the invention Device with partial cuts in the lower part, which reveal the welding device.

The device shown in Fig. 1 is-in particular for Sterilization treatment of sterilized milk in disposable plastic bottles, preferably made of polyethylene, using a multilayer process suitable,

It has a fixed frame 1, which is not suitable means shown is carried and which carries the device itself, the main part of which is enclosed in a housing which is designated as a whole with 2 and that consists of a fixed part 3 ■ and a movable part 4 which is arranged around the fixed part 3 and therefore also around the vertical geometrical axis indicated at 6 is indicated, is rotatable. The fixed part 3 has a cylindrical or polygonal basic shape and is covered by an upper part 11, while its bottom 14 is supported by a hat 15 that is attached to a support ring 16, which in turn with the frame 1 is firmly connected. The fixed part 3 is also on Frame 1 fixed with its upper part.

The rotatable part 4 consists of a cylindrical wall 21 and a rotatably attached base 22, which is e.g.

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wreath 23 is mounted on the fixed support ring 16 ruiit. the Sealing of the rotatable cylindrical wall 21 with respect to the cylindrical wall of the fixed part 3 is carried out with the aid of ring seals 26, 27, the first of which lies between a collar of the bottom 22 of the drivable part and the second of which lies between the upper part of the cylindrical wall 21 and a cylinder ring 28, which is firmly connected to the fixed part 3.

The rotatable housing part 4 has several magazine 31 (in the example three), which are at regular intervals in a star shape around the vertical Geometric axis of the device are distributed and each accommodate an axis 32 on which a coil 33 with a Strip 34 of suitable plastic material, e.g., polyethylene, is stored which is intended for the production of the one-way packaging.

Each magazine 31 .has a cover 37 with hinges 38 and one suitable sealing device 39. The upper part of the Lid 37 is provided with a sight glass 41.

The strip or film 34 of plastic that extends from the spool 33 should roll., Runs over guide rollers 43, 44, past a large window 41 which is introduced into the wall 21, through an opening 46 in the wall of the fixed part 3, then on further guide rollers 51, 52, 53, 54, 55, which are located inside the fixed part 3 are arranged, as will be explained later. * in the same place as magazine 31

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Located inside the fixed part 3 at the exit of the roller 55 a facility for the shaping of the one-way packaging " This device comprises a fixed outer cylindrical guide 57 carried by the hub 15 and a fixed inner one cylindrical guide 58 extending from the top 11 of the device is worn. The plastic strip runs down between these two guides in such a way that one of them forms a cylinder the two edges of the strip being welded together will. Any suitable, decent institution can do this can be used, e.g., as shown in the diagram, as a roller welding machine 61 shown.

The seal between the cylindrical container 62 and the outer solid cylindrical guide 57 is made by a fluid belt 63, biloet our cn a Bir, gspalt filled with «Yasser, guaranteed, which is closed by an annular bead 64, which on the lower part of the inner surface of the cylindrical Leadership.

Each container is closed after it has been filled by a suitable known Scoveil: facility, the whole is denoted by 66, the two opposite one another Welding heads 67A, 673 and electrodes 6SA and 68B, respectively. Eie These electrodes are cooled by the water droplets which are formed from the water lost in the liquid belt 63 and which peel off your drip ring 71, which is located above the two electrodes of the welding device. That of the

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Water running off the electrodes is caught in a hanging trough 73, from where it passes through a pipeline 74 to a pump 15 which is driven by an electric motor 76. From there it passes through a return pipe 77 into a filter 78, and through a pipe 79 into the device, recycled, thus a part in the Flüasigkeitsgürtel 63 and another part in a (Yascheinrichtung for, broadcasting, which will be discussed later.

The fixed housing part 3 is equipped with a heating device the schematics by electrical Y & resistors 81 is shown.

The goods to be packaged are inlet through the upper part of the device via a pipe 84 which is a tight pressure fitting 85 passes through, which is mounted on the upper part 11 and which opens into the interior of a head 86 for filling the goods into the preformed packaging. This head is so agile that the filling in the packaging bag without contamination of the wall before si cn gent.

The interior of the housing is with a pressurized one Purified gas filled, e.g. with air or stick fuel. For this A pipe 87 is used, which opens into the upper part of the fixed housing part 3 via a tight pressure fitting 8ö.

A special seal designated in its entirety by 91 is arranged around the opening 46 for the admission of the strip into the fixed part 3, aa that a seal of the fixed part

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is reached while the rotatable / bendable part is moving when changing the bobbin will.

The sealing system has, for example, ring-shaped, inflatable lugs 92 on. If these approaches are not inflated, the strip may run freely while the approaches in the inflated state lie against the opening 4b.

The packaging is sterilized with the help of a device 101, which emits penetrating, sterilizing radiation, e.g. X-rays, gamma rays or other effective Rays. The radiation source is in the upper part of the fixed part * arranged, more precisely in the inner cylindrical! guide 58. At 102 the incoming and outgoing supply lines for the cooling liquid of the radiation source are indicated. the Radiation source is carried by a rotatable support 104 which is driven around the vertical axis of the device by a geared motor 105 is set in slow rotation to the effect of the radiation to make uniform over the entire angle of rotation range.

Next is a metallic reflection cylinder 107 on the outside of the packaging being manufactured, specifically at the level of the radiation source 101.

In order to make the best possible use of the sterilizing effect of the radiation source, the individual loops of the plastic strip are allowed to run over the lumps 51, 52, 53, 54, as indicated above, so that the strip is repeatedly covered by the sterilizing radiation - As can be seen from the drawing, “In the wall of the

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Fixed part 3, a window 111 is incorporated, so that a part of the beam from the radiation source, the coil 33 with the Stripes reached. A movable flap 112 allows this window 111 to be closed, while the rotatable part 4 of FIG Device is in motion.

A device 114 with a releasable by a handle 116 Latch 115 allows precise setting of the movable part of the device, so that in each case the relevant Strip magazine just in front of the opening 46 at the inlet of the strip in the fixed part 3 and the window 111 for the passage the sterilizing radiation in the direction of the strip coil 33 is locked. -

It is also possible to have several facilities with antibakeriellai at several selectable favorable locations inside the device Arrange radiation sources.

In addition to the sterilization by the sterilizing radiation the strip 34 is carried out by a brush arrangement 116 and a Washing device 119 in the interior of the magazine in which it is si cn processed. The washing device 119 can be connected to the pipeline 79, which as described above. the filtered water returns, be supplied. ·

Another device is located inside each magazine 31 to connect, with the free end, of a new one

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Strip welded to the end piece of the expired strip can be una which is designated as 121 as a whole.

On the upper part of the fixed housing part 3, a lid with hinges 124 is also indicated, with a lock 125 and an observation window 126 is provided.

The device works as follows: -

It is assumed that all parts are already in motion. The strip 34 made of plastic is stretched under the effect of the pressure of the goods placed in the preformed container 62 and is unrolled from the spool 33 under the effect of the movement of the filling head 86. It runs ü ^ he roller 43 'is subjected to the processing by the brush assembly 116 and that of the washing device 119 and läuit into the opening of the fixed part 3 via the roller 44, then durcn the relaxed special seal 91 and swalzen on the Kihrun _e 51 »52, 53, 54, 55» where it is already on the reel and then on its sinusoidal path over which the rollers are subjected to the sterilizing effect of the rays from the source 101. While the packaging is being formed in the upper part of the device between the inner guide cylinder 58 and the outer guide cylinder 57, it is particularly subject to the sterilizing effect of the radiation from the source 101. This effect is reinforced by the reflection cylinder 107. When the intended quantity of the goods has been filled into the plastic container 62 shaped in this way, the electrodes 68A, 6SB for the vertical welding approach each other and close the packaging. Well is a

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is ς, -.;: ■ Γΐί ;. ?. : I: ■ Work cycle over and the device / ready for the next work cycle.

The process starts over and over again until the Tape spool is empty. Now you close the flap 112 and the special seal 91, open the lock 114 and pivot the rotatable jacket of the device by a third of a turn further, so that in front of the window 111 and the opening 46 of the fixed Housing part 3 another magazine of the removable part 4 arrives, that previously with a new spool with strips of plastic has been filled »

Now the cover 37 of this magazine is raised and the connection of the end of the expired strip, daö still from the Opening 46 of the fixed part 3 protrudes with the beginning of the Strip of the new coil. The tight cover 37 is now closed again, the flap 112 is opened and the special

the seal 91 released. Now the new coil is / sterilizing Exposed to radiation and the next packaging operation can begin, Sufficient remains during the manufacture of the packaging Time to fill the other two magazines that are in operation with quills. During this preparatory Working remains the tightness of the active part of the device obtain. Partition walls (not shown) between the fixed cylinder surface 3 and the rotatable cylinder surface 21 ensure this on both sides of the window 111. "■ '.-

When starting up, sterilization is started by moving the S-radiation head reached in the tube.

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In Pig »2 a device is shown which differs from that according to Fig. 1 only in that the welding device for the packaging is of a different type. It has an electronic generator and an ultrasonic transmitter (sonotrodes) . '"■■' ■:. '■ ..

The generator, not shown, is of a known and suitable type Design type. It is supplied from an alternating voltage network and consists of a control stage that controls the power tubes, a power stage with all parts and power tubes necessary for the supply of high and low voltage, e.g. approx 1000 watts and a supply block for the generator of the ultrasonic waves «According to a variant of the invention, the Tubes be replaced by semiconductor components.

The magnetostriction device that acts as the source for the ultrasonic waves is suitable, has a frequency to which the generator is tuned is.

This magnetostriction device, designated 133 as a whole has a magnetostriction part 134 and a transmitting part 135 on »The magnetostriction part consists essentially of an arrangement of metallic, magnetostrictive rods Ferrite or ceramic surrounded by an induction coil, which is traversed by a variable current and which the electronic energy of adjustable frequency that it emits from Generator receives fed into mechanical energy by constant Expanding and contracting transforms. This arrangement is

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housed inside a housing in which a suitable, Liquid or gaseous coolant flows and is carried by a holding part 139. The transmitting part 13b of conical Form is mounted on the implement 136 and guaranteed in this the concentration of the magnetostrictive ^! device 134 outgoing ultra-bang energy. At 137 an abutment is indicated, which is preferably fastened elastically, e.g. with Using a spindle 138 which is attached to the frame .1 of the device in is attached in the same way as the magnetostriction device 133.

The abutment 137 is arranged exactly opposite the implement 136, so that the two parts are on both sides of the material to be welded against each other and two Opposite inner sides of the wall, as in the drawing shown. The filled milk prevents the Ultrasenallenwäi: Process not. To carry out this welding process can also other ultrasonic generators than the one described and shown be used.

The previous process of longitudinal welding of the two Edges of the strip of plastic together for the production of an endless tube container could also with a similar ultrasound arrangement can be carried out »

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Claims (1)

S / p 6111. 17.11.67 «/ We. P a ten t ans τ> rühe ehe - Device for sterile packaging of sterilized goods in liquid, doughy or granular form, especially food in disposable containers, characterized by the following features: ELn tight housing (2) inside of which is a magazine (31) with plastic or multilayer material such as plastic or cardboard -Aluminium is in dispute form, which forms a coil (33), a device for producing a container from this Strelien, a device (Ö4-86) for filling the goods to be packaged into the container in the course of its production, a device for maintenance a non-contaminated atmosphere inside the housing (if) a device (101) for emitting a sterilizing urcndrinfcenden radiation (eg X-rays or gamma rays) to sterilize the strip (34) made of plastic, a device (66) for closing the with the sterilized good-filled packaging and a device for separating this packaging from the n Subsequent packaging in the manufacturing process. Device according to claim 1, characterized in that it also has a tubular reflector (1Q7) which is around the Source (101) of the sterilizing stranlung is arranged. Apparatus, according to claim 1 or 2, characterized in that iäie means for maintaining a non-contaminated atmosphere in the interior of the housing consists of an under pressure, AEE & supply (87) of a sauoeren gas, eg Stickstofϊ ie the interior of the 'housing (2) ». U / 0409 BADORiQINAL S / p 6111 17 * 11.6? W / We Vdrriehtüng according to one of claims 1 - 3, - dädurdh gekehnzeiciihet, that oil source (101) for the sterilizing radiation at the point ' is indicated, at which the strip (34) begins, its tube-shaped Take shape to manufacture the container * Device according to one of claims 1 '- 4 * marked thereby, that the strip coil (33) is arranged at one point, - at the ' it is also exposed to the effects of * sterilizing radiation * Device according to one of claims 1-5 characterized gekehhzeichne * ^ that between the coil (33) ühd dör Einiieh'füiig züin H§räteile'ii of the container, the strip-bea ü * tfälzen (5i - W) is performed ₄ 'him a schieifeh-shaped course in the Äefeiöh der ¹ ii Sliahlühg Device häCh GiMm der Ahöpftlghe ¹ 1 - § _t dädtifö'ii that the öehäüäe with MiMt Bäiäeiöriifitüiii (oil j f - äteriiiaie'renäif FlÜsäigictit iod iiäef (ii§) fgfgifigheri iäti uhg liäch a $ & dir iniprlfEe f - 6j Üdürll i efi that in äöi "Slfet der gefeit '(^ f) # in ^ MMiöEMi VefMndgft de§. EhSeS des iBg§läüi§hefi Sff # ifens' Mt dem ihfßng" of the hot ätreifenens forgese ^ iii i§tf - S / p 6111 11/17/67 VV / We Device according to one of Claims 1 to 9, characterized in that the housing (2) is divided into two parts by a partition (3 »4) is divided, one (4) of which is movable and a magazine (3.1) forms, while the other (3) primarily forms the facility for making the packaging container and the source (iu'l) for the sterilizing radiation contains that the partition wall has an opening (46) for the inlet of the strip (34), which is provided with a device (112) which can be closed as required, to ensure the tightness of the second part (3) of the G-e housing, when the first part (4) is opened to insert a ■. - ■ ". Their insert new strip spool (33) and / connect with the expired one Manufacture coil. Apparatus according to claim 10, characterized in that the partition has a window (111) which it provides for the disinfecting Radiation is made possible by the strip reel inserted in the magazine (31) (33), and that the window is provided with a movable flap (112) which, before opening the magazine (31) closed, *. ·, "- ..-.- ■ Device; · according to one of claims 1 to 11, characterized in that the housing part (3) has an outlet opening for the;. filled, but not yet welded container and that a locking bead (64) for a ·; Wa.s ^ erspsiiitd.ich ^ device / 63) is provided at the opening *. - ..,: - ^{;, .., 5} ■■■;.: ..- ■■ - ■ ' Device according to Claim 12, characterized in that the Part (3) of the housing (2), which the opening with the water ■ - • Ί 0098U / 04Q9 S / p 6111 11/17/67 W / We having gap seal (63), with a device for supplying of the lost water on the electrodes of the welding device for the container is equipped to cool them, z. B. with a drip ring (71). . Device according to one of Claims 1 to 15, characterized in that the (source (101) for the sterilizing radiation is carried by a rotatable holder (104), the axis of which is coaxial with the axis of the tubular part for making the package, and means (105) for rotating it Holder is provided with low speed. Device according to one of claims 1-14, characterized in that that several magazines (31) are arranged in a star shape and that the part (4) of the housing (2) which carries them on the other part (3) of the housing (2) is rotatably mounted, the for this purpose has a cylindrical shape, and that ring seals (26, 27) are provided between the two parts (3, 4) of the housing (2) are. Device according to claim 15, characterized in that one Locking device (115) fixing the rotatable Partly (4) in a particular. Angular position allowed so that each magazine (31) in sequence exactly before the opening of the fixed Part (3) can be locked. Device according to one of claims 1 - 16, characterized OO98U / O409 61.11 '17 * 11 * 17 W / We imeti that äie gehweißeinrieiituhg for ä © n with the & üt filled eh .. container has a'Uitfaeenaiige ^ at * naeh Aiiäpruöii 17 »dläüiök geköüiizfeiehhetj that aie g WönigötenS a ^ ft rätör vijü suitable foiin with a tool (136) 4eesen Εϊιέigie iaüf fflifiäeötens a Wiäerlägei (137) acts esh tu ng iiaöii AnOfSi ¹ U on 1ö, daSurön gekennzeiönriöt j visual white facility two UltieöBönailgenefätören wake up »äi§