EP3778427A1 - Récipient pour denrées alimentaires - Google Patents

Récipient pour denrées alimentaires Download PDF

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Publication number
EP3778427A1
EP3778427A1 EP20188357.6A EP20188357A EP3778427A1 EP 3778427 A1 EP3778427 A1 EP 3778427A1 EP 20188357 A EP20188357 A EP 20188357A EP 3778427 A1 EP3778427 A1 EP 3778427A1
Authority
EP
European Patent Office
Prior art keywords
base
container
film section
depressions
holes
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.)
Pending
Application number
EP20188357.6A
Other languages
German (de)
English (en)
Inventor
Matthias Bünker
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.)
Pro Pac Ostendorf Plastic Thermoformfolien und Verpackungen & Co KG GmbH
Original Assignee
Pro Pac Ostendorf Plastic Thermoformfolien und Verpackungen & Co KG GmbH
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 Pro Pac Ostendorf Plastic Thermoformfolien und Verpackungen & Co KG GmbH filed Critical Pro Pac Ostendorf Plastic Thermoformfolien und Verpackungen & Co KG GmbH
Publication of EP3778427A1 publication Critical patent/EP3778427A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/261—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for draining or collecting liquids without absorbing them
    • B65D81/262—Rigid containers having false bottoms provided with passages for draining and receiving liquids

Definitions

  • the invention relates to a container with an interior space for holding liquid-releasing foodstuffs according to the preamble of claim 1.
  • plastic containers are widely used in food markets, which are lightweight, transparent, easy to open and food-safe. They often consist of PP (polypropylene) or PET (polyethylene terephthalate). Furthermore, multilayer films can also be used for this purpose.
  • PP polypropylene
  • PET polyethylene terephthalate
  • multilayer films can also be used for this purpose.
  • PP is a semi-crystalline thermoplastic that is processed in the deep-drawing process and is well suited for trays and containers in the food industry, since no plasticizers are required and the corresponding containers are relatively stiff.
  • a further problem can arise if the container is provided with a modified atmosphere during filling, which allows longer freshness. On the side of the piece of meat on which the piece of meat lies on the base of the container, however, the piece of meat is not in contact with the modified atmosphere, so that the piece of meat shows a color change on the underside after a short time when it is removed from the container, which is unsightly for the buyer, or microbiological problems can arise.
  • a packaging container which, in order to avoid this problem, uses a film above the base which has micro-perforations in the form of approximately several million perforations per square meter, through which the piece of meat is intended to remain in contact with the modified atmosphere. Liquid escaping from the piece of meat does not penetrate through the perforations, but runs over the edge of the film into depressions below. This has However, the disadvantage is that meat juice can accumulate on the contact surface with the film and does not flow off. Furthermore, the emerging meat juice cannot be evenly distributed over the surface of the base. In order to improve contact with the modified atmosphere, this document also provides for the foil to be held at a distance from the base using support points.
  • a similar packaging container in which the container is divided into an upper part for receiving the food and a lower part for liquid separated by a perforated film.
  • the perforated film is attached to the edge on a step of the shell wall. Liquid collects in the lower part of the container and the perforations in the film allow the modified atmosphere to come into contact with the underside of the food.
  • the subdivision of the container is, however, complex to produce and also reduces the volume of the container. It is also unsightly for the user if larger amounts of liquid are visible in the lower part of the container.
  • packaging containers for food which contain an insert made of absorbent material, which becomes unsightly after a short time if it has absorbed too large quantities of meat juice.
  • Another problem is that a packaging container should be recyclable and should accordingly be made of pure material. This requirement can usually not be met with an insert made of absorbent material.
  • the invention is therefore based on the object of specifying a packaging container for receiving liquid-releasing foodstuffs, which is recyclable, has a simple design, keeps released liquid away from the foodstuff and can be produced inexpensively.
  • the invention is based on a container with an interior space for holding liquid-releasing foodstuffs, with a flat base and a circumferentially ascending side wall formed in one piece with the base, the base being provided on its underside with a plurality of bowl-shaped depressions that are guided by the The base protrudes downwards and is open at the top of the base.
  • the base can be covered with a film section which has a plurality of holes through which the liquid escaping from the food can pass into the bowl-shaped depressions, the film section being attached to the base.
  • the container and the film section are preferably made of essentially the same recyclable plastic material.
  • the container is preferably provided with a single interior space. However, it can also contain several chambers arranged next to one another, which are separated from one another by one or several vertical partition walls. Each individual chamber can contain a suitable film section.
  • the subject matter of the invention can be used both for containers with a normal atmosphere and for containers with a modified atmosphere.
  • a food releases liquid, it passes through the plurality of holes in the film section into depressions formed underneath in the base of the container, in which it is held in particular by capillary force and is no longer in contact with the food.
  • the film section is preferably made of the same material as the container or of a material whose weight percentage in the total container is less than 5%. It can be colored, e.g. white, green or black. This means that it is not immediately obvious whether liquid has escaped from the food.
  • the material of the film section is preferably made of OPP (biaxially oriented PP).
  • OPP biaxially oriented PP
  • the material of the film section is preferably also made of PET.
  • the film section is preferably only fastened to the base in the middle area at one point or a few distributed points (especially two) of the container or in corresponding areas of formed chambers, the respective fastening surface not being provided with depressions to provide a larger holding surface for the film section.
  • the base can also contain elevations that are flat on the top and are arranged on the base and are at a small distance from the inside of the base. This makes it possible to better distribute the liquid emerging from the food over the surface of the base.
  • the surface shape of the film section preferably corresponds to the inside of the base or of the chambers in order to cover essentially the entire inside of the base.
  • the number of holes in the film section corresponds to at least the number of depressions in the base and more preferably at least twice the number of depressions in the base.
  • the diameter of the holes is preferably between 0.1 and 2 mm.
  • the holes can be designed as needled, punched or lasered holes.
  • the laser-cut variant is particularly recommended for the version in which the film section rests on raised areas, while a film section with needled or punched holes can also lie directly on the base, since when punching or (hot) needles are usually on the edge of the holes small projections of material remain, which leave a small vertical free space for better distribution of liquid between the film section and the inside of the base.
  • the depressions in the base preferably contain a diameter of 3-7 mm at the top of the base, the heights of the depressions being 2-6 mm.
  • the depressions preferably have a conical, pyramidal or hemispherical cross-section, which is preferably flattened on the underside in order to achieve a better stand of the container on the one hand and greater protection against damage on the other. It is also advantageous if the transition of the depressions to the inside of the base is sharp-edged in order to improve the capillary action of the depressions.
  • connection of the film section and the base or the raised support points of the base is preferably carried out by means of a moisture-resistant adhesive material customary in the food sector or by means of high-frequency or thermal welding.
  • a connection can additionally or alternatively be made in the edge areas, in particular on four corner-shaped raised fastening surfaces of the base or on storage steps at the corners of the side wall or chamber walls.
  • the container additionally contains a series of elevations distributed over the base in order to surround the film section Essential to keep in one plane.
  • the fastening surfaces preferably have a diameter of 0.5-1.5 cm.
  • the height of the elevations relative to the base can also be varied over the area of the base in such a way that the film section is given a roof-like shape with a ridge angle of 170-175 ° when it is attached to the elevations. In this way, liquid that does not pass through the holes can also run off the side of the film section.
  • the principle according to the invention can be used with containers of different sizes.
  • the preferred sizes are between 10 x 15 and 30 x 40 cm.
  • the invention can be used in a corresponding manner both for containers with one chamber and for containers with two or more chambers formed next to one another.
  • FIG. 1 The perspective view shown of a first embodiment of a container according to the invention shows the underside of a rectangular container 1 which contains a base 5 on which a plurality of half-shell-shaped recesses 4 are formed.
  • the side wall 2 contains a profile 9 for better stabilization of the container, which is made of thin-walled PP plastic.
  • Marking areas 7 which contain symbols for use, recyclability, logos, etc. are formed at the corners of the container.
  • a flat surface area 6 of the base is formed which does not contain any depressions
  • Figure 2 shows the container in plan view.
  • the depressions 4 formed in the base 5 are distributed over almost the entire base 5 with the exception of the surface area 6.
  • the volume of all depressions together results in sufficient space to accommodate the meat juice exiting from a piece of meat placed in the interior 3 of the container 1 for a long time to be able to without the liquid protruding over the edge of the depressions 4 or running out of it.
  • the container 1 is shown in side view.
  • the edge 8 of the container can be closed with a sealing film after a foodstuff has been inserted.
  • Figure 4 shows a sectional view of the container into which a film section 11 made of OPP is inserted and attached to the surface area 6 by means of a suitable adhesive or high-frequency welding.
  • the film section thus remains attached to the base 5 even after the food has been removed, so that the container 1 can be disposed of together with the film section 11.
  • the recess 4 is half-shell-shaped with a height of about 3 mm and a diameter of about 6 mm, its underside having a flat 10 which improves the stability of the container and at the same time reduces the sensitivity of the underside of the container to damage.
  • the Figures 4 and 5 also show that the film section 11 rests directly on the base 5 and is fastened to it in the fastening area 6.
  • the film section is shown in plan view. This consists of a thin film about 0.05 mm thick made of the same or equivalent material as the container.
  • the film section can be colored, for example in the colors green, white or black. It has a large number of holes 15 which are evenly distributed on the film section. The diameter of the holes 15 is selected to be so large that liquid can easily pass through the holes.
  • the holes can be lasered, punched or needled.
  • Figure 7 shows a lasered film in which the holes are very sharp-edged and the shape of the film remains flat at the holes.
  • Figure 8 shows a section through a hot-needled film. It can be seen here that the underside of the film protrudes slightly at the hole edges of the holes 16 and also contains irregular hole edges (not shown). This has the advantage that liquid passing through the holes 16 can easily be distributed over a flat surface, even if such a film section rests directly on the flat surface.
  • Figure 9 Fig. 4 shows a container formed according to a second embodiment. No surface area in the middle of the base is required here.
  • the base contains fastening surfaces 13 at the four corner points to which the film section can be fastened and tensioned, either by gluing or welding.
  • the base 5 has a series of evenly distributed elevations 14 on which the film section is held in a plane with the fastening surfaces.
  • FIG 10 a container according to the second embodiment with inserted film section 11 is shown.
  • the film section is anchored to the fastening surfaces 13 and is stretched in a plane over the elevations 14, not shown in this figure.
  • a piece of meat placed in the interior is therefore held on the film section.
  • Escaping liquid can pass both through the holes 15 and to the side of the film section into the space below and into the depressions there collected from the base. Because of the free space between the film section and the base, holes in the film section can also be dispensed with in cases in which only small amounts of liquid occur.
  • Figure 11 shows how the film section 11 rests on the elevations 14 of the base 5.
  • An enlarged view is in Figure 12 shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP20188357.6A 2019-08-15 2020-07-29 Récipient pour denrées alimentaires Pending EP3778427A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019121993.0A DE102019121993A1 (de) 2019-08-15 2019-08-15 Behälter zur Aufnahme von Lebensmitteln

Publications (1)

Publication Number Publication Date
EP3778427A1 true EP3778427A1 (fr) 2021-02-17

Family

ID=71846270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20188357.6A Pending EP3778427A1 (fr) 2019-08-15 2020-07-29 Récipient pour denrées alimentaires

Country Status (2)

Country Link
EP (1) EP3778427A1 (fr)
DE (1) DE102019121993A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53121230U (fr) * 1977-03-04 1978-09-27
US4576278A (en) * 1982-11-23 1986-03-18 W. R. Grace & Co., Cryovac Div. Purge trap tray
DE202008005595U1 (de) * 2008-04-22 2008-07-10 Huhtamäki Oyj Schale
DE202012102319U1 (de) 2011-06-29 2012-09-21 Dampack International Bv Nahrungsmittel-Verpackungsbehälter
EP3002231A1 (fr) 2014-09-30 2016-04-06 Dampack International BV Plateau d'emballage alimentaire fermé
DE102015104015A1 (de) * 2015-03-18 2016-09-22 Mezger Verpackungen GmbH & Co. KG Behälter zur Aufnahme von Lebensmitteln und Verfahren zur Herstellung desselben

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091031B (de) * 1958-07-23 1960-10-13 Diamond Gardner Corp Behaelter aus fester und schwach saugfaehiger Fasermasse, insbesondere zum Verpackenvon Fleisch und Gefluegel
NL9400389A (nl) * 1994-03-11 1995-10-02 Hordijk Verpakkingsind Bv Schaalvormige verpakking.
MX2007007557A (es) * 2004-12-22 2008-01-28 Easy Pad Ltd Bandeja de empaque.
US20100189848A1 (en) * 2006-10-05 2010-07-29 Mabry Ronald D Food packaging system for extended shelf life
US20100031829A1 (en) * 2008-08-08 2010-02-11 Terry Vovan Food container liquid isolation
GB2543074A (en) * 2015-10-07 2017-04-12 Linpac Packaging Ltd Container

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53121230U (fr) * 1977-03-04 1978-09-27
US4576278A (en) * 1982-11-23 1986-03-18 W. R. Grace & Co., Cryovac Div. Purge trap tray
DE202008005595U1 (de) * 2008-04-22 2008-07-10 Huhtamäki Oyj Schale
DE202012102319U1 (de) 2011-06-29 2012-09-21 Dampack International Bv Nahrungsmittel-Verpackungsbehälter
EP3002231A1 (fr) 2014-09-30 2016-04-06 Dampack International BV Plateau d'emballage alimentaire fermé
DE102015104015A1 (de) * 2015-03-18 2016-09-22 Mezger Verpackungen GmbH & Co. KG Behälter zur Aufnahme von Lebensmitteln und Verfahren zur Herstellung desselben

Also Published As

Publication number Publication date
DE102019121993A1 (de) 2021-02-18

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