EP0180840A1 - Procédé et installation automatique pour l'emballage d'aliments, spécialement des saucisses - Google Patents

Procédé et installation automatique pour l'emballage d'aliments, spécialement des saucisses Download PDF

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Publication number
EP0180840A1
EP0180840A1 EP85113316A EP85113316A EP0180840A1 EP 0180840 A1 EP0180840 A1 EP 0180840A1 EP 85113316 A EP85113316 A EP 85113316A EP 85113316 A EP85113316 A EP 85113316A EP 0180840 A1 EP0180840 A1 EP 0180840A1
Authority
EP
European Patent Office
Prior art keywords
trays
bulges
film web
shells
film
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
EP85113316A
Other languages
German (de)
English (en)
Other versions
EP0180840B1 (fr
Inventor
Attilo Lombardi
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.)
Rapelli SA
Original Assignee
Rapelli SA
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 Rapelli SA filed Critical Rapelli SA
Priority to AT85113316T priority Critical patent/ATE29857T1/de
Publication of EP0180840A1 publication Critical patent/EP0180840A1/fr
Application granted granted Critical
Publication of EP0180840B1 publication Critical patent/EP0180840B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material

Definitions

  • the invention relates to a method for packaging foods, in particular sausages, according to the preamble of claim 1 and an automatic system for carrying out the method according to the preamble of claim 11.
  • Packaging processes of this type are used in particular for packaging sliced sausages. They are to be distinguished from those processes in which the first film web is not preformed for packaging the sausage slices, but is used as a flat web just like the second film web, so that the sausage slices lying between the two flat film sections of the finished packaging are compressed when the packaging is gripped will. In order to avoid this, bulges are formed in the first film web in the packaging process mentioned at the beginning.
  • the first film web is usually, as described for example in CH-PS 581 046, passed through a hot forming station, in which several bulges are formed side by side in a transverse row in the first film web.
  • the first film web provided with the bulges is then moved through a filling zone, where the sausage slices to be packaged are filled into the bulges either by hand or automatically.
  • the sausage slices are inserted into the bulges in the working cycle of the deformation station. This means that you cut the sausage in advance and then quickly distribute it into the bulges of a transverse row according to the work cycle of the deformation station. There is a risk that the sausage slices will be damaged and look unappetizing. And even a brief delay in the sausage slice feed causes an interruption in the conveying cycle of the film webs and thus the risk of malfunctions in the formation of the bulges and the welding (sealing) of the film webs.
  • the object of the invention is to introduce the foodstuffs, in particular sausage slices, carefully and yet quickly, namely in the cycle in which the bulges are formed.
  • the system should be fully automatic and without handling, i.e. work without operator intervention.
  • the conveying speed or the conveying cycle of the conveying the prefabricated shells can be adapted precisely to the time required for the introduction of the food.
  • the foodstuffs, in particular sausages can be cut open according to claims 3 and 6 directly over a conveying path on which the trays are conveyed, so that the sausage slices each fall directly into a tray and thus avoid any contact with the slices when entering the trays becomes.
  • the trays can be grouped in such a way that the trays of a group are in the correct mutual arrangement for introduction into the bulges of one or more successive transverse rows.
  • the shells grouped in this way are then conveyed to the first film web by the second conveying device and inserted into the bulges in groups.
  • the fact that the loaded trays are transported independently of the loading process by the second conveyor device can compensate for short delays in processing the food and loading the trays, ie the second conveyor device has a buffering effect.
  • a buffer zone can also be provided in which the loaded trays are temporarily stored.
  • Another advantage of the invention is that, by suitable choice of the material of the trays and the film webs, all packaging requirements can be met. So far this has not been possible. Rather, one had to make compromises in the choice of material for the first film web, because there are requirements that cannot be met in common, such as easy deformability, high flexural strength and environmentally friendly shredding. In contrast, in the method according to the invention, the material for the lower film web and that for the trays can be used choose so that both together optimally meet the different requirements.
  • a flexible, easily deformable and gas-tight material can be used for the film web and a relatively rigid ("semi-hard”) material and, if necessary, porous material for absorbing liquid, both materials preferably consisting of chlorine-free plastic for environmental reasons.
  • the system has a magazine 1 in which two stacks of prefabricated shells 2 are stored.
  • the shells 2 which are rectangular in plan view (FIG. 5) are chamfered at one corner and have an outwardly projecting collar 3 which runs around the entire circumference of the shell. They are arranged in magazine 1 in such a way that their long sides in the conveying direction are described below Conveyor belts lie.
  • the trays 2 are placed in pairs by an automatic device (not shown) from the magazine 1 onto a conveyor belt 4, to which a conveyor belt 5 connects, which conveys the trays to a cutting machine 6.
  • Connected to the conveyor belt 5 are two conveyor belts 7, 8 running next to one another at a distance, each of which receives one of the trays 2 fed alongside one another on the belt.
  • the novel cutting machine 6 is arranged on a frame 10 bridging the conveyor belts 5, 7 and 8, so that the trays conveyed by the conveyor belts 5, 7 and 8 reach directly under the cutting zone.
  • the cutting machine 6 has a relatively large diameter, directly above the conveyor belts 7 and 8 arranged cutting knife, the cutting plane is inclined to the vertical.
  • Two pieces of the food to be cut for example two salami sausages, are introduced into a holding device 15 of the machine 6 by means of a loading device 14, which holds the two salami sausages and guides them with respect to the cutting knife.
  • the two conveyor belts 7, 8 are reversibly driven and laterally displaceable by means of a shifting device (not shown).
  • the drive and the displacement device are controlled in such a way that the shell 2 placed on the conveyor belt 7 or 8 first passes under the cutting knife of the cutting machine 6 in the conveying direction 16, then is shifted laterally, and then against the conveying direction 16 under the cutting knife runs back and is finally conveyed again in the conveying direction 16 to a conveyor belt 17 adjoining the belts 7, 8.
  • the cutting machine 6 is put into operation, with that of the cutting knife cut slices 19 fall directly into the shells 2.
  • the inclined position of the cutting knife ensures that the disks 19 lie flat against one another in the shell. Because of the lateral displacement of the belt 7 and 8 between the forward and backward movement, each tray 2 is loaded with two rows of disks 19 arranged next to one another and partially overlapping one another, as shown in FIG. 5.
  • the conveyor belt 17 conveys the loaded trays 2 to a table 18, on which the trays are rotated through 90 ° by means of a (not shown) rotating device and are brought in pairs onto a slide 20, from which they slide onto a conveyor belt 21.
  • Two pairs of guide rails can be arranged on the slide 20 and / or at the end of the table 18 in order to correctly position the trays transversely to the conveying direction 16 for the group formation described below.
  • a grouping and positioning device 22 is arranged above the conveyor belt 21, by means of which the shells 2 are grouped into groups of six 23. The six shells of a group are brought into the correct position for insertion into the bulges of a first film web described below.
  • the device 22 has three shafts 24 to 26 which extend transversely across the conveyor belt 21 and to which stops 27 are attached, which can be rotated into and out of the conveying path of the shells by rotating the shafts and serve to line up the shells.
  • the stops 27 of the foremost shaft 24 are first rotated into the conveying path, and after the first pair of shells has struck against them, the stops of the middle shaft 25 and finally the stops of the rearmost shaft 26 are rotated into the conveying path. That way Finally, the first pair of shells on shaft 26 and a further pair of shells on shafts 25 and 24.
  • all stops 27 are unscrewed from the conveyor so that shell group 23 is conveyed on by conveyor belt 21 becomes.
  • the conveyor belt 21 conveys the shell groups 23 to a first film web 30 guided transversely to it.
  • bulges 32 adapted to the shells 2 are formed into the film web 30 drawn off from a supply roll 31.
  • two transverse rows, each with three bulges 32, that is to say a group of a total of six bulges, are simultaneously formed in a conventional hot deformation device 33.
  • the tray group 23, which is conveyed by the conveyor belt 21 to the film web 30, is lifted off the conveyor belt 21 by means of a fork-shaped organ 35, brought over the bulges 32 of the film web 30 and lowered into this, as indicated by arrows 36 in FIG.
  • the fork-shaped organ 35 has two arm pairs 37 38, which extend in the longitudinal direction of the conveyor belt 21 and which are guided under the collars 3 of the three successively arranged pairs of shells 2 of the respective group, so that all six shells of the group are lifted off the conveyor belt 21 at their collars 3 and into the bulges 32 can be brought in. Thereafter, the A are rmpaare 37, 38 retracted, the shells 2 remain in the recesses 32 and the collar 3 engage over the edges of the bulges.
  • the film web 30 is then guided to a welding station 40.
  • a second film web 42 drawn off from a supply roll 41 is attached to the first film web 30 performed and a protective gas of nitrogen and carbon dioxide slides between the foils 30, 42, the air present being removed.
  • the two film webs 30, 42 are then welded together around the collar 3 of the shells 2.
  • the collar of the shells is also welded to the second film web 42 (or to both film webs) so that the shells are firmly seated in the bulges 32.
  • the interconnected film webs are then guided into a cutting station 43, in which the packages 45 obtained in the manner described coherently are separated from one another.
  • the shells 2 are chamfered at one corner, the collar corner 47 in question also being chamfered.
  • the bulges 32 are chamfered at a corner.
  • the two film webs 30, 42 like the rest of the shell circumference, are also welded at the chamfered corner immediately adjacent to the collar.
  • the packaging 45 in the cutting station 43 is separated exactly rectangular.
  • the film web 42 of the packaging 45 receives a corner 48 which is not welded to the film web 30 and which serves as a tear-open corner for tearing open the packaging 45.
  • Polystyrene with admixed K-resin is preferably used as the material for the shells 2.
  • Polyamide-polyethylene composite film is particularly suitable for the first (lower) film web 30, and cellophane-polyethylene composite film for the second (upper) film web 42. Since the shells 2 are to be welded to the foils on their collar 3, polystyrene shells coated with polyethylene are used. For reasons of environmental protection, as mentioned, it is essential that chlorine-free plastics are used for the trays and the film webs.
  • the system enables high packaging rates of e.g. 60 packs per minute, because the sausage slices are inserted into the trays independently of the conveying cycle of the film webs, lead to interruptions in processing, e.g. as a result of loading new salami sausages into the holding device 15, not causing interruptions and consequent disruptions in the processing of the film.
  • the weight of the sausage slices inserted can be continuously monitored and it can be ensured that the total weight of the slices entered in a tray remains constant, so that the price labeling is simplified.
  • the thickness of the slices can be changed by appropriate control of the cutting machine 6 if the continuously determined weights of the individual slices show that the desired total weight does not correspond to an integral multiple of the weight of the individual slices. Any handling of the sausage slices is preferably avoided even during weighing, that is to say the shell is weighed during loading and the weight of the individual slices is determined as the differential weight.
  • the method according to the invention is also suitable for packaging other foods, in particular those which should be packed immediately after processing, if possible without further handling. If the processing takes a relatively long time, the trays can also be conveyed to a central location on a plurality of independent conveying paths, grouped there and then conveyed in groups to the first film web and introduced into the bulges.
EP85113316A 1984-11-02 1985-10-21 Procédé et installation automatique pour l'emballage d'aliments, spécialement des saucisses Expired EP0180840B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85113316T ATE29857T1 (de) 1984-11-02 1985-10-21 Verfahren und automatische anlage zum verpacken von lebensmitteln, insbesondere von wurstwaren.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5257/84 1984-11-02
CH525784 1984-11-02

Publications (2)

Publication Number Publication Date
EP0180840A1 true EP0180840A1 (fr) 1986-05-14
EP0180840B1 EP0180840B1 (fr) 1987-09-23

Family

ID=4290566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85113316A Expired EP0180840B1 (fr) 1984-11-02 1985-10-21 Procédé et installation automatique pour l'emballage d'aliments, spécialement des saucisses

Country Status (3)

Country Link
EP (1) EP0180840B1 (fr)
AT (1) ATE29857T1 (fr)
DE (1) DE3560670D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2629791A1 (fr) * 1988-04-07 1989-10-13 Socopa France Installation de depose et de conditionnement de produits de formes variees alimentaires
EP0386275A2 (fr) * 1988-03-17 1990-09-12 Synbiotics Corporation Méthode de préparation d'imitations du site actif en utilisant des anti-idiotypes
EP3539739A1 (fr) * 2012-01-26 2019-09-18 GEA Food Solutions Germany GmbH Coupe en tranche dans l'emballage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1184483A (en) * 1966-02-09 1970-03-18 Mahaffy & Harder Eng Co Packaging Method and Apparatus
FR2228670A1 (fr) * 1973-05-07 1974-12-06 Grace W R Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1184483A (en) * 1966-02-09 1970-03-18 Mahaffy & Harder Eng Co Packaging Method and Apparatus
FR2228670A1 (fr) * 1973-05-07 1974-12-06 Grace W R Ltd

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386275A2 (fr) * 1988-03-17 1990-09-12 Synbiotics Corporation Méthode de préparation d'imitations du site actif en utilisant des anti-idiotypes
EP0386275A3 (fr) * 1988-03-17 1990-10-03 Synbiotics Corporation Méthode de préparation d'imitations du site actif en utilisant des anti-idiotypes
FR2629791A1 (fr) * 1988-04-07 1989-10-13 Socopa France Installation de depose et de conditionnement de produits de formes variees alimentaires
EP3539739A1 (fr) * 2012-01-26 2019-09-18 GEA Food Solutions Germany GmbH Coupe en tranche dans l'emballage

Also Published As

Publication number Publication date
EP0180840B1 (fr) 1987-09-23
ATE29857T1 (de) 1987-10-15
DE3560670D1 (en) 1987-10-29

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