EP3696114A1 - Food packaging tray - Google Patents

Food packaging tray Download PDF

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Publication number
EP3696114A1
EP3696114A1 EP20166836.5A EP20166836A EP3696114A1 EP 3696114 A1 EP3696114 A1 EP 3696114A1 EP 20166836 A EP20166836 A EP 20166836A EP 3696114 A1 EP3696114 A1 EP 3696114A1
Authority
EP
European Patent Office
Prior art keywords
food
tray
permeable film
liquid chamber
chamber
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
EP20166836.5A
Other languages
German (de)
French (fr)
Other versions
EP3696114B1 (en
Inventor
Ludo Rutten
Theo Klabbers
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.)
Dampack International Bv
Original Assignee
Dampack International Bv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=51655573&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3696114(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dampack International Bv filed Critical Dampack International Bv
Priority to ES20166836T priority Critical patent/ES2919228T3/en
Priority to DK20166836.5T priority patent/DK3696114T3/en
Priority to PL20166836.5T priority patent/PL3696114T3/en
Priority to EP20166836.5A priority patent/EP3696114B1/en
Publication of EP3696114A1 publication Critical patent/EP3696114A1/en
Application granted granted Critical
Publication of EP3696114B1 publication Critical patent/EP3696114B1/en
Active 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
    • 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
    • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2069—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
    • B65D81/2076—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container

Definitions

  • the invention relates to a food packaging tray.
  • the food of concern may be, fresh or frozen, meat, poultry, fish, fruit and vegetables.
  • the food support is a partition wall dividing the tray into the two chambers and it is perforated so that the modified atmosphere may diffuse in both chambers and, hence, circulate around the food, envelop the food.
  • the gas mixture can come into direct contact with the underside of the food product.
  • EP 2 540 634 teaches such a tray.
  • the perforated partition support is surrounded by a circular opening through which the fluid exuding from the food may flow into the fluid chamber.
  • an absorbing layer as taught for instance in US 6152295 .
  • the absorbent material is full of air (or gas) and, little by little, this air is coming out of the absorbing layer and modifies the modified atmosphere which is thus polluted, with the drawback of reducing the shelf life of the product.
  • the invention of the instant case aims at obviating such a drawback.
  • the invention relates to a closed food packaging tray, for fluid-exuding and oxygen sensitive food, comprising
  • the liquid chamber of the tray of the instant case may even be empty of solid material.
  • the tray of the instant case has two major advantages.
  • the first one is the fact that there is no absorbent in the liquid chamber and, therefore, the modified atmosphere will not be modified or polluted by air. Furthermore, since there is no absorbent, there is no risk that the absorbing layer and the perforated food supporting partition come in direct contact with each other, thus no risk that i) the absorbing layer, through the perforations of the partition, sucks out liquid from the food product and ii) the modified atmosphere does not circulate around the food product anymore.
  • the second advantage is the fact that the exuding fluid cannot flow around the perforated partition but only through its perforations.
  • the flow is very slow and in both ways either from the food chamber to the fluid chamber or, after having inadvertently turned the tray upside down, from the liquid chamber back to the food chamber.
  • the perforated partition is a permeable film, advantageously a moisture permeable film.
  • the permeable film has a liquid communication between the two food and liquid chambers and may also have micro-perforations used for gas circulation only and too small for liquid circulation.
  • the bottom of the liquid chamber may have a capillary honeycomb structure.
  • the food supporting partition is supported by a shelf provided on the inner wall of the tray and, more advantageously, also on pillars having an height, from the bottom of the liquid chamber, such that their free ends and the top surface of the shelf lay in a common plane parallel to the bottom of the liquid chamber.
  • top surface of the shelf is meant the surface supporting the supporting partition.
  • the packaging tray of the instant case has a generally parallelepipedic shape with an outer side wall 1, and a bottom 2.
  • the side wall 1 is extended by a rather thin top border 3, except that the four corners where it is slightly larger.
  • a transparent plastic sheet 4 is secured onto the border 3 for covering and closing the tray.
  • the inner surface 5 of the sidewall 1 is provided with a shelf 6 for supporting a perforated food supporting partition 7, dividing the tray into a food chamber 8 and a liquid chamber 9 ( figure 2 ).
  • the height of the partition 7 above the bottom 2 is small, compared to the height of the closing sheet 4 above the partition 7.
  • the perforated food supporting partition 7 obturates both chambers 8, 9.
  • the liquid chamber 9 is empty of absorbant material. Actually, the chamber is empty of gas releasing material; it could be just empty of air or oxygen releasing material.
  • the bottom 2 of the tray has here a capillary structure 10, here a honeycomb structure, as shown on figure 3 , with, here, hexagonal recesses 16.
  • Pillars 11 are provided on the bottom 2, of an height such that their free ends 12 lie here in the same plane as the top annular surface 13 of the shelf 6 forming a shoulder supporting the partition 7.
  • the perforated partition is a permeable film 7, which could be preferably a moisture permeable film.
  • the tray as described above will be used as follows.
  • the permeable film 7 having been secured onto the annular shoulder 13 of the shelf 6 and a food product 14 - here a piece of meat - having been put on the film 7, the air is taken out of the tray and a modified atmosphere is injected therein prior to closing the tray on top of the food chamber 8 by the plastic sheet 4 secured onto the top boarder 3.
  • the modified atmosphere may diffuse in both chambers 8, 9 and circulate around the piece of meat 14.
  • the fluid chamber 9 being empty of solid material, the modified atmosphere is not polluted.
  • the perforations 15 of the film 7 are designed for liquid circulation. Some of the perforations could be micro-perforations used for gas circulation only and too small for liquid circulation. In any case, the film 7 should be designed for the modified atmosphere to be able to envelop the piece of food 14 and be in contact with the underside of the food product.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)

Abstract

The tray is for fluid-exuding and oxygen sensitive food (14). It comprises a food chamber (8), a liquid chamber (9), a perforated partition (7) between the two chambers (8, 9) for supporting the food (14). The tray is filled up with modified atmosphere enveloping the food (14) thanks to the perforations (15) of the perforated partition (7). The partition (7) obturates both chambers (8, 9) and the liquid chamber (9) is empty of gas releasing material. Thanks to the invention, the modified atmosphere is not polluted. The flow of exuding fluid from on chamber to the other is very slow.

Description

  • The invention relates to a food packaging tray. The food of concern may be, fresh or frozen, meat, poultry, fish, fruit and vegetables.
  • It is already known, for extending the shelf life, to package perishable food in a modified gaseous environment, in taking the air out of the tray, prior to injecting the modified atmosphere and closing the tray hermetically.
  • This is of a particular interest for fluid-exuding and oxygen sensitive food.
  • Accordingly, trays are known, which are divided into
    • a food chamber, where the food is received on a support, and
    • a liquid chamber, where the exuding fluid is received.
  • Preferably, the food support is a partition wall dividing the tray into the two chambers and it is perforated so that the modified atmosphere may diffuse in both chambers and, hence, circulate around the food, envelop the food. The gas mixture can come into direct contact with the underside of the food product. EP 2 540 634 teaches such a tray.
  • In the tray of this prior art reference, the perforated partition support is surrounded by a circular opening through which the fluid exuding from the food may flow into the fluid chamber. For that reason, it has been often proposed to cover the bottom of the fluid chamber with an absorbing layer (absorbent), as taught for instance in US 6152295 . However, the absorbent material is full of air (or gas) and, little by little, this air is coming out of the absorbing layer and modifies the modified atmosphere which is thus polluted, with the drawback of reducing the shelf life of the product.
  • The invention of the instant case aims at obviating such a drawback.
  • To this end, the invention relates to
    a closed food packaging tray, for fluid-exuding and oxygen sensitive food, comprising
    • a food chamber,
    • a liquid chamber,
    • a perforated partition between the two chambers, arranged for supporting the food,
    • the tray, for extending the shelf life of the food, being filled up with modified atmosphere enveloping the food thanks to the perforations of the perforated partition,
      characterized in that
    • the perforated food supporting partition obturates both chambers, and
    • the liquid chamber is empty of gas releasing material.
  • The liquid chamber of the tray of the instant case may even be empty of solid material.
  • The tray of the instant case has two major advantages.
  • The first one is the fact that there is no absorbent in the liquid chamber and, therefore, the modified atmosphere will not be modified or polluted by air. Furthermore, since there is no absorbent, there is no risk that the absorbing layer and the perforated food supporting partition come in direct contact with each other, thus no risk that i) the absorbing layer, through the perforations of the partition, sucks out liquid from the food product and ii) the modified atmosphere does not circulate around the food product anymore.
  • The second advantage is the fact that the exuding fluid cannot flow around the perforated partition but only through its perforations. The flow is very slow and in both ways either from the food chamber to the fluid chamber or, after having inadvertently turned the tray upside down, from the liquid chamber back to the food chamber.
  • In the preferred embodiment of the invention, the perforated partition is a permeable film, advantageously a moisture permeable film. The permeable film has a liquid communication between the two food and liquid chambers and may also have micro-perforations used for gas circulation only and too small for liquid circulation.
  • The bottom of the liquid chamber may have a capillary honeycomb structure.
  • Advantageously, in the tray of the instant application, the food supporting partition is supported by a shelf provided on the inner wall of the tray and, more advantageously, also on pillars having an height, from the bottom of the liquid chamber, such that their free ends and the top surface of the shelf lay in a common plane parallel to the bottom of the liquid chamber. By top surface of the shelf is meant the surface supporting the supporting partition.
  • The invention shall be better understood upon reading the following description while reverting to the attached drawing in which
    • figure 1 is a perspective top view of the tray of the invention;
    • figure 2 is a simplified cross-sectional view of the tray of figure 1;
    • figure 3 is a top view, at a larger scale, of a portion of the bottom of the liquid chamber of the tray of figure 1 and
    • figure 4 is a simplified view of the perforated food supporting partition of the tray of figure 1.
  • Referring to figures 1, 2, the packaging tray of the instant case has a generally parallelepipedic shape with an outer side wall 1, and a bottom 2. In a plane generally parallel to the bottom 2, the side wall 1 is extended by a rather thin top border 3, except that the four corners where it is slightly larger. A transparent plastic sheet 4 is secured onto the border 3 for covering and closing the tray.
  • The inner surface 5 of the sidewall 1 is provided with a shelf 6 for supporting a perforated food supporting partition 7, dividing the tray into a food chamber 8 and a liquid chamber 9 (figure 2).
  • The height of the partition 7 above the bottom 2 is small, compared to the height of the closing sheet 4 above the partition 7.
  • The perforated food supporting partition 7 obturates both chambers 8, 9.
  • The liquid chamber 9 is empty of absorbant material. Actually, the chamber is empty of gas releasing material; it could be just empty of air or oxygen releasing material.
  • The bottom 2 of the tray has here a capillary structure 10, here a honeycomb structure, as shown on figure 3, with, here, hexagonal recesses 16.
  • Pillars 11 are provided on the bottom 2, of an height such that their free ends 12 lie here in the same plane as the top annular surface 13 of the shelf 6 forming a shoulder supporting the partition 7.
  • In the instant case, the perforated partition is a permeable film 7, which could be preferably a moisture permeable film.
  • The tray as described above will be used as follows.
  • The permeable film 7 having been secured onto the annular shoulder 13 of the shelf 6 and a food product 14 - here a piece of meat - having been put on the film 7, the air is taken out of the tray and a modified atmosphere is injected therein prior to closing the tray on top of the food chamber 8 by the plastic sheet 4 secured onto the top boarder 3.
  • Thanks to the invention and particularly to the perforations of the film 7, the modified atmosphere may diffuse in both chambers 8, 9 and circulate around the piece of meat 14. The fluid chamber 9 being empty of solid material, the modified atmosphere is not polluted.
  • The film 7 obturating both chambers 8, 9, in case of the piece of meat exuding fluid (blood) which can thus flow through the perforations of the film 7, exclusively, the flow is very slow and there is very little liquid which can flow to the liquid chamber. And if the tray has been turned upside down, the fluid in the liquid chamber 9 can hardly return to the food chamber 8.
  • In the instant case, the perforations 15 of the film 7 are designed for liquid circulation. Some of the perforations could be micro-perforations used for gas circulation only and too small for liquid circulation. In any case, the film 7 should be designed for the modified atmosphere to be able to envelop the piece of food 14 and be in contact with the underside of the food product.

Claims (8)

  1. A food packaging tray, for packaging fluid exuding and oxygen sensitive food product under modified atmosphere, the tray being provided with
    - an outer side wall (1) and a bottom (2), the side wall being extended by a top border (3) generally parallel to the bottom (2) for securing a cover to close the tray, the inner surface of the sidewall being provided with a shelf (6) having a top annular surface (13) supporting
    - a food supporting partition (7) dividing the tray into a food chamber (8) above the supporting partition and a liquid chamber (9) between the supporting partition and the bottom of the tray, the food supporting partition being a permeable film obturating both chambers,
    - the liquid chamber being empty of absorbent material and being suitable to collect fluid exuded from a food product placed on the perforated permeable film.
  2. Food packaging tray according to claim 1, wherein the bottom (2) of the liquid chamber (9) is provided with a capillary honeycomb structure.
  3. A tray according to one of claim 1 or 2, wherein the permeable film is a moisture permeable film (7).
  4. A tray according to one of claims 1 to 3, wherein the permeable film (7) has a liquid communication (15) between the food and liquid chambers (8, 9).
  5. A tray according to one of claims 1 to 4, wherein the permeable film (7) has micro-perforations used for gas circulation only and too small for liquid circulation.
  6. A tray according to one of claims 1 to 5, wherein the food supporting partition (7) is supported by a shelf (6) provided on the inner wall (5) of the tray.
  7. A tray according to claim 1, wherein the food supporting partition (7) is supported on pillars (11) having an height, from the bottom (2) of the liquid chamber (9), such that their free ends (12) and the top surface of the shelf (13) lie in a common plane parallel to the bottom (2) of the liquid chamber (9).
  8. A tray according to one of claims 1 to 7, comprising a food product placed on the permeable film (7) under modified atmosphere, the tray being sealed by a plastic sheet (4) secured onto the top border (3).
EP20166836.5A 2014-09-30 2014-09-30 Food packaging tray Active EP3696114B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES20166836T ES2919228T3 (en) 2014-09-30 2014-09-30 food packaging tray
DK20166836.5T DK3696114T3 (en) 2014-09-30 2014-09-30 FOOD PACKAGING TRAY
PL20166836.5T PL3696114T3 (en) 2014-09-30 2014-09-30 Food packaging tray
EP20166836.5A EP3696114B1 (en) 2014-09-30 2014-09-30 Food packaging tray

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14186950.3A EP3002231A1 (en) 2014-09-30 2014-09-30 A closed food packaging tray
EP20166836.5A EP3696114B1 (en) 2014-09-30 2014-09-30 Food packaging tray

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP14186950.3A Division EP3002231A1 (en) 2014-09-30 2014-09-30 A closed food packaging tray
EP14186950.3A Previously-Filed-Application EP3002231A1 (en) 2014-09-30 2014-09-30 A closed food packaging tray

Publications (2)

Publication Number Publication Date
EP3696114A1 true EP3696114A1 (en) 2020-08-19
EP3696114B1 EP3696114B1 (en) 2022-04-06

Family

ID=51655573

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20166836.5A Active EP3696114B1 (en) 2014-09-30 2014-09-30 Food packaging tray
EP14186950.3A Ceased EP3002231A1 (en) 2014-09-30 2014-09-30 A closed food packaging tray

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14186950.3A Ceased EP3002231A1 (en) 2014-09-30 2014-09-30 A closed food packaging tray

Country Status (11)

Country Link
EP (2) EP3696114B1 (en)
AU (1) AU2015327011A1 (en)
BE (1) BE1026851B1 (en)
DK (1) DK3696114T3 (en)
ES (1) ES2919228T3 (en)
FR (1) FR3026391B1 (en)
IE (1) IE86768B1 (en)
IT (1) ITUB20153984A1 (en)
NL (1) NL1041494B1 (en)
PL (1) PL3696114T3 (en)
WO (1) WO2016050736A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107323763A (en) * 2017-06-16 2017-11-07 合肥岭牧农产品有限公司 A kind of fresh meat packing box and its packing method
EP3632217A1 (en) 2018-10-02 2020-04-08 Dampack International BV Modified atmosphere food packaging tray
DE102019121993A1 (en) 2019-08-15 2021-02-18 Pro-Pac Ostendorf Plastic Thermoformfolien und Verpackungen GmbH & Co. KG Containers for holding food
DE202019104500U1 (en) 2019-08-15 2019-08-23 Pro-Pac Ostendorf Plastic Thermoformfolien und Verpackungen GmbH & Co. KG Container for holding food
USD925987S1 (en) 2019-10-01 2021-07-27 Able High International Ltd Tray base
JP7157470B2 (en) * 2020-08-27 2022-10-20 シーピー化成株式会社 tray container

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1004887A6 (en) * 1991-04-17 1993-02-16 Heirman Gustaaf Packaging material
DE19508484A1 (en) * 1994-03-11 1995-10-19 Hordijk Verpakkingsind Bv Dish shaped packaging arrangement for meat
WO2009141213A1 (en) * 2008-05-22 2009-11-26 Cryovac, Inc. Gas barrier and liquid absorbent container for the packaging of food products
EP2540634A1 (en) * 2011-06-29 2013-01-02 Dampack International BV Food packaging container

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564807A1 (en) * 1984-05-22 1985-11-29 Fraigneau Michel Packing intended for the packaging of products exuding liquid, and for separately retaining the liquid, in all positions
IT1274530B (en) * 1995-05-19 1997-07-17 Sirap Gema Spa PLASTIC TRAY FOR SUSCEPTIBLE FOODS TO RELEASE LIQUIDS
US6152295A (en) 1998-03-27 2000-11-28 Brander; William M. Storage container for containing food products
US7487881B2 (en) * 2003-04-11 2009-02-10 Form Plastics Company Dual chamber salad container
FR2898107B1 (en) * 2006-03-06 2010-03-12 Cgl Pack Service ABSORBENT CONTAINER

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1004887A6 (en) * 1991-04-17 1993-02-16 Heirman Gustaaf Packaging material
DE19508484A1 (en) * 1994-03-11 1995-10-19 Hordijk Verpakkingsind Bv Dish shaped packaging arrangement for meat
WO2009141213A1 (en) * 2008-05-22 2009-11-26 Cryovac, Inc. Gas barrier and liquid absorbent container for the packaging of food products
EP2540634A1 (en) * 2011-06-29 2013-01-02 Dampack International BV Food packaging container

Also Published As

Publication number Publication date
ITUB20153984A1 (en) 2017-03-29
DK3696114T3 (en) 2022-06-20
BE1026851B1 (en) 2020-12-23
ES2919228T3 (en) 2022-07-22
FR3026391A1 (en) 2016-04-01
EP3002231A1 (en) 2016-04-06
BE1026851A1 (en) 2020-07-03
IE20150360A1 (en) 2016-04-06
PL3696114T3 (en) 2022-08-22
EP3696114B1 (en) 2022-04-06
AU2015327011A1 (en) 2017-05-04
FR3026391B1 (en) 2020-11-06
NL1041494A (en) 2016-10-10
NL1041494B1 (en) 2021-01-21
IE86768B1 (en) 2016-11-30
WO2016050736A1 (en) 2016-04-07

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