EP3366600B1 - Improved draining tray for containing fresh food - Google Patents

Improved draining tray for containing fresh food Download PDF

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Publication number
EP3366600B1
EP3366600B1 EP18158276.8A EP18158276A EP3366600B1 EP 3366600 B1 EP3366600 B1 EP 3366600B1 EP 18158276 A EP18158276 A EP 18158276A EP 3366600 B1 EP3366600 B1 EP 3366600B1
Authority
EP
European Patent Office
Prior art keywords
bottom layer
tray
discontinuous
structures
improved draining
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.)
Active
Application number
EP18158276.8A
Other languages
German (de)
French (fr)
Other versions
EP3366600A1 (en
Inventor
Stefano Bianucci
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.)
Bianucci Di Bianucci S & C SNC
Original Assignee
Bianucci Di Bianucci S & C SNC
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Filing date
Publication date
Application filed by Bianucci Di Bianucci S & C SNC filed Critical Bianucci Di Bianucci S & C SNC
Publication of EP3366600A1 publication Critical patent/EP3366600A1/en
Application granted granted Critical
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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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers
    • 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
    • B65D81/264—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 absorbing liquids
    • B65D81/265—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 absorbing liquids the absorbent being placed beneath a false bottom

Definitions

  • the invention is directed at the packaging sector of food products for human consumption. More in detail, the invention relates to an improved draining tray for containing fresh food, and is particularly (but not exclusively) directed at the packaging of meat, fish or cheese.
  • draining trays for containing fresh food, such as meat, on sale on supermarket shelves are generally made of expanded polystyrene, prevalently quadrangular in shape, and comprise a bottom layer and raised side walls for containing the product.
  • Patent no. 0001406149 and corresponding European patent application EP 2 540 642 A1 , by the same applicant disclose a draining tray comprising a first bottom layer and side walls, and a second bottom layer, positioned in the inside part of said tray and creating a hollow space with said first bottom layer, where said second bottom layer is provided with through holes for drainage of the liquids released from food products and an absorbent material is arranged in said hollow space for these liquids.
  • This tray also comprises retaining means to join said first bottom layer and said second bottom layer, adapted to maintain the two parts coupled in a stable and durable manner.
  • These retaining means are obtained by means of discontinuous structures, protruding from said first bottom layer towards the inside of the tray, and corresponding discontinuities, or holes, obtained on said second bottom layer, adapted to be engaged by said discontinuous structures.
  • the retaining means do not guarantee stable coupling and their structure does not facilitate the operations to assemble the tray.
  • the second bottom layer might not be arranged perfectly parallel to the first, and can remain slightly tilted and therefore incorrectly positioned, compromising the stability of the coupling and the effect of draining the liquids released by the foods.
  • the two bottom layers can become detached if they are not correctly coupled.
  • the invention intends to overcome these limits by providing a draining tray for containing fresh food that is easily produced, simple and fast to assemble either manually or automatically, and has a structural composition that is stable and therefore more durable and reliable.
  • said vertical alignment means comprise:
  • said tray is substantially rectangular in shape
  • said discontinuous protruding structures are four arranged at the four corners of said first bottom layer
  • said hollow discontinuous structures are four, arranged at the four corners of said second bottom layer.
  • said discontinuous protruding structures are offset from one another along a direction of extension of said tray.
  • discontinuous hollow structures have a lower conicity with respect to said discontinuous protruding structures so that their coupling takes place with friction interference fit.
  • said at least one ridge comprises of discontinuities.
  • said at least one ridge comprises a flat upper profile and said at least one a channel comprises a flat bottom layer.
  • the invention presents numerous advantages.
  • the coupling between said first and second bottom layer takes place only by means of press fitting and with the aid of the retaining means obtained directly from said first and second bottom layer, without undercuts, facilitated by said vertical alignment means, which are adapted to guide the insertion of said second bottom layer in said tray: as the hollow structures are lowered gradually onto the projecting structures, said second bottom layer is arranged centered in the tray and press fitting of the retaining means is facilitated.
  • the lower conicity of the hollow structures with respect to the structures protruding from first bottom layer makes alignment more precise, as the shape coupling between the two structures takes place with friction interference fit. The friction also makes the coupling more stable.
  • the misaligned arrangement of the discontinuous protruding structures, and respectively of the hollow structures means that, during the production stages of the tray, when the components are stored stacked in piles, if they are placed one on top of the other rotated through 180° they do not become packed together but remain at the useful distance for the grippers of the machines to lift each single component part.
  • a draining tray 1 for containing fresh food with a rectangular plan comprising a first bottom layer 2, a second bottom layer 3 and raised retaining side walls 4 projecting from said first bottom layer 2.
  • Said first bottom layer 2 and second bottom layer 3 are maintained at a distance from each other, defining a hollow space.
  • Said second bottom layer 3 is provided with through holes 5, adapted to place the area of the tray 1 for containing the fresh food in communication with said hollow space, and to allow the liquids produced by the foods to percolate.
  • a sheet of absorbent material 6 for food usage for example made of cellulose, adapted to retain said liquids permanently.
  • Said tray 1 comprises retaining means of said first bottom layer 2 and said second bottom layer 3.
  • Said retaining means comprise:
  • said retaining means comprise two ridges 9, arranged parallel to each other along two side walls 4 of said tray 1, and two corresponding channels 10, also parallel to each other, arranged along two sides of said second bottom layer 3.
  • Each ridge 9 and the respective channel 10 have substantially complementary cross sections, so that their shape coupling produces the stable coupling of said first 2 and said second 3 bottom layer.
  • said retaining means comprise a single ridge and a single channel arranged along a closed line.
  • said ridge comprises lowered points, adapted to allow any liquids that have seeped out along the edge of the second bottom layer to return into the hollow space and be absorbed permanently by the cellulose.
  • Said tray 1 also comprises vertical alignment means, adapted to guide the insertion of said second bottom layer 3 in said tray 1, so as to facilitate centering of the ridges 9 with the respective channels 10 during press fitting of the two bottom layers 2, 3.
  • Said vertical alignment means comprise:
  • said discontinuous protruding structures 7 are six and are arranged along the perimeter of said first bottom layer 2.
  • said hollow discontinuous structures 8 are also six, arranged along the perimeter of said second bottom layer 3.
  • Said discontinuous protruding structures 7 and said discontinuous hollow structures 8 are substantially complementary to each other and their progressive shape coupling guides the insertion of said second bottom layer 3 in said tray 1.
  • Fig. 4 which represents a variant of the tray 1 particularly suitable for automated production lines, said discontinuous protruding structures 7, and consequently said hollow discontinuous structures 8, are misaligned with each other by a distance d along a direction of extension of said tray 1.
  • said discontinuous hollow structures 8 have a lower conicity with respect to said discontinuous protruding structures 7 so that their coupling takes place with friction interference fit.
  • Said discontinuous protruding structures 7, said discontinuous hollow structures 8, said ridges 9 and said channels 10 are obtained by relief molding of the two bottom layers 2 and 3, ensuring continuity of the material and facilitating production.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Food Science & Technology (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Cookers (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Table Devices Or Equipment (AREA)

Description

  • The invention is directed at the packaging sector of food products for human consumption. More in detail, the invention relates to an improved draining tray for containing fresh food, and is particularly (but not exclusively) directed at the packaging of meat, fish or cheese.
  • According to the prior art, draining trays for containing fresh food, such as meat, on sale on supermarket shelves, are generally made of expanded polystyrene, prevalently quadrangular in shape, and comprise a bottom layer and raised side walls for containing the product.
  • Patent no. 0001406149 , and corresponding European patent application EP 2 540 642 A1 , by the same applicant disclose a draining tray comprising a first bottom layer and side walls, and a second bottom layer, positioned in the inside part of said tray and creating a hollow space with said first bottom layer, where said second bottom layer is provided with through holes for drainage of the liquids released from food products and an absorbent material is arranged in said hollow space for these liquids.
  • This tray also comprises retaining means to join said first bottom layer and said second bottom layer, adapted to maintain the two parts coupled in a stable and durable manner.
  • These retaining means are obtained by means of discontinuous structures, protruding from said first bottom layer towards the inside of the tray, and corresponding discontinuities, or holes, obtained on said second bottom layer, adapted to be engaged by said discontinuous structures.
  • Further draining trays are known from documents DE 297 11 265 U1 and EP 0 495 230 A2 .
  • These trays have some disadvantages.
  • The retaining means do not guarantee stable coupling and their structure does not facilitate the operations to assemble the tray.
  • To position the second bottom layer inside the tray great care must be taken to align it with the first bottom layer to allow the discontinuities to be centered with the discontinuous protruding structure.
  • If alignment is not precise, the second bottom layer might not be arranged perfectly parallel to the first, and can remain slightly tilted and therefore incorrectly positioned, compromising the stability of the coupling and the effect of draining the liquids released by the foods.
  • Moreover, when the trays are moved from one shelf to another or handled without holding them perfectly horizontal, or transported loosely in a shopping bag, the two bottom layers can become detached if they are not correctly coupled.
  • Finally, the technical solution used does not facilitate picking up of the two components to couple them in an automated packaging line.
  • The invention intends to overcome these limits by providing a draining tray for containing fresh food that is easily produced, simple and fast to assemble either manually or automatically, and has a structural composition that is stable and therefore more durable and reliable.
  • These objects are achieved with an improved draining tray according to claim 1 for containing fresh food, comprising:
    • a first bottom layer and raised side walls;
    • a second bottom layer positioned in the inside part of said tray and creating a hollow space with said first bottom layer, wherein said second bottom layer is provided with through holes;
    • a layer of absorbent material suitable for contact with foods arranged in said hollow space;
    • retaining means of said second bottom layer on said first bottom layer,
    characterized in that:
    • said retaining means comprise:
      • at least one ridge projecting from said first bottom layer towards the inside of the tray, arranged at least along one section of the contour of said first bottom layer;
      • at least one corresponding channel obtained on said second bottom layer, with the cavity facing towards the inside of said tray,
      wherein said ridge and said channel are substantially complementary to each other and their shape coupling facilitates the stable coupling of said first bottom layer and said second bottom layer;
    • said improved draining tray also comprises vertical alignment means, adapted to guide the insertion of said second bottom layer in said tray.
  • According to a first aspect of the invention, said vertical alignment means comprise:
    • discontinuous truncated cone shaped protruding structures, obtained on said first bottom layer and projecting towards the inside of said tray;
    • discontinuous truncated cone shaped hollow structures, obtained on said second bottom layer, having the cavity facing towards the inside of said tray,
    wherein said discontinuous protruding structures and said discontinuous hollow structures are substantially complementary to each other and their progressive shape coupling guides the insertion of said second bottom layer in said tray.
  • In a possible variant of embodiment, said tray is substantially rectangular in shape, said discontinuous protruding structures are four arranged at the four corners of said first bottom layer, and said hollow discontinuous structures are four, arranged at the four corners of said second bottom layer.
  • Advantageously, said discontinuous protruding structures are offset from one another along a direction of extension of said tray.
  • In particular, said discontinuous hollow structures have a lower conicity with respect to said discontinuous protruding structures so that their coupling takes place with friction interference fit.
  • In a preferred variant, said at least one ridge comprises of discontinuities.
  • Moreover, said at least one ridge comprises a flat upper profile and said at least one a channel comprises a flat bottom layer.
  • The invention presents numerous advantages.
  • The coupling between said first and second bottom layer takes place only by means of press fitting and with the aid of the retaining means obtained directly from said first and second bottom layer, without undercuts, facilitated by said vertical alignment means, which are adapted to guide the insertion of said second bottom layer in said tray: as the hollow structures are lowered gradually onto the projecting structures, said second bottom layer is arranged centered in the tray and press fitting of the retaining means is facilitated.
  • The lower conicity of the hollow structures with respect to the structures protruding from first bottom layer makes alignment more precise, as the shape coupling between the two structures takes place with friction interference fit. The friction also makes the coupling more stable.
  • The misaligned arrangement of the discontinuous protruding structures, and respectively of the hollow structures, means that, during the production stages of the tray, when the components are stored stacked in piles, if they are placed one on top of the other rotated through 180° they do not become packed together but remain at the useful distance for the grippers of the machines to lift each single component part.
  • The advantages of the invention will be made clearer below with the description of a preferred embodiment, provided by way of non-limiting example, and with the aid of the drawings wherein:
    • Fig. 1 represents a generic exploded cross section of an improved draining tray for containing fresh food according to the invention;
    • Figs. 2 and 3 represent, in an axonometric top view, two components of the tray of Fig. 1;
    • Fig. 4 represents, in a top plan view, the tray assembled according to the invention;
    • Fig. 5 represents a detail of the section of Fig. 1, wherein the proportions are changed for clarity of representation;
  • With reference to the figures, there is shown a draining tray 1 for containing fresh food with a rectangular plan, comprising a first bottom layer 2, a second bottom layer 3 and raised retaining side walls 4 projecting from said first bottom layer 2.
  • Said first bottom layer 2 and second bottom layer 3 are maintained at a distance from each other, defining a hollow space.
  • Said second bottom layer 3 is provided with through holes 5, adapted to place the area of the tray 1 for containing the fresh food in communication with said hollow space, and to allow the liquids produced by the foods to percolate.
  • On the inside of said hollow space there is arranged a sheet of absorbent material 6 for food usage, for example made of cellulose, adapted to retain said liquids permanently.
  • Said tray 1 comprises retaining means of said first bottom layer 2 and said second bottom layer 3.
  • Said retaining means comprise:
    • at least one ridge 9 projecting from said first bottom layer 2 towards the inside of the tray 1, arranged at least along one section of the contour of said first bottom layer 2;
    • at least one corresponding channel 10 obtained on said second bottom layer 3 with the cavity facing towards the inside of said tray 1.
  • In the variant illustrated, said retaining means comprise two ridges 9, arranged parallel to each other along two side walls 4 of said tray 1, and two corresponding channels 10, also parallel to each other, arranged along two sides of said second bottom layer 3.
  • Each ridge 9 and the respective channel 10 have substantially complementary cross sections, so that their shape coupling produces the stable coupling of said first 2 and said second 3 bottom layer.
  • To ensure greater stability and to increase the contact surface between ridge 9 and channel 10, both comprise a flat portion: the ridge 9 comprises a flat upper profile 9' and the channel 10 comprises a flat bottom 10'.
  • In a variant not illustrated, said retaining means comprise a single ridge and a single channel arranged along a closed line.
  • In this case, said ridge comprises lowered points, adapted to allow any liquids that have seeped out along the edge of the second bottom layer to return into the hollow space and be absorbed permanently by the cellulose.
  • The coupling between said first 2 and second 3 bottom layer, and therefore the insertion of said ridges 9 in said channels 10, takes place by interference, by press fitting thereof.
  • Said tray 1 also comprises vertical alignment means, adapted to guide the insertion of said second bottom layer 3 in said tray 1, so as to facilitate centering of the ridges 9 with the respective channels 10 during press fitting of the two bottom layers 2, 3.
  • Said vertical alignment means comprise:
    • discontinuous truncated cone shaped protruding structures 7, obtained on said first bottom layer 2 and projecting towards the inside of said tray 1;
    • discontinuous truncated cone shaped hollow structures 8, obtained on said second bottom layer 3, with the cavity facing towards the inside of said tray 1,
  • In the variant illustrated, said discontinuous protruding structures 7 are six and are arranged along the perimeter of said first bottom layer 2.
  • In the same way, said hollow discontinuous structures 8 are also six, arranged along the perimeter of said second bottom layer 3.
  • Said discontinuous protruding structures 7 and said discontinuous hollow structures 8 are substantially complementary to each other and their progressive shape coupling guides the insertion of said second bottom layer 3 in said tray 1.
  • As can be seen from Fig. 4, which represents a variant of the tray 1 particularly suitable for automated production lines, said discontinuous protruding structures 7, and consequently said hollow discontinuous structures 8, are misaligned with each other by a distance d along a direction of extension of said tray 1.
  • As can be seen from Fig. 5, said discontinuous hollow structures 8 have a lower conicity with respect to said discontinuous protruding structures 7 so that their coupling takes place with friction interference fit.
  • Said discontinuous protruding structures 7, said discontinuous hollow structures 8, said ridges 9 and said channels 10 are obtained by relief molding of the two bottom layers 2 and 3, ensuring continuity of the material and facilitating production.
  • Finally, all the components that form the tray according to the invention are made of natural materials, biodegradable, and above all suitable for food usage.

Claims (7)

  1. Improved draining tray (1) for containing fresh food, comprising:
    - a first bottom layer (2) and raised side walls (4);
    - a second bottom layer (3) positioned in the inside part of said tray (1) and creating a hollow space with said first bottom layer (2), wherein said second bottom layer is provided with through holes (5);
    - a layer of absorbent material (6) suitable for contact with foods arranged in said hollow space;
    - retaining means of said second bottom layer (3) on said first bottom layer (2),
    characterized in that:
    - said retaining means comprise:
    - at least one ridge (9) projecting from said first bottom layer (2) towards the inside of the tray (1), arranged at least along one section of the contour of said first bottom layer (2);
    - at least one corresponding channel (10) obtained on said second bottom layer (3), with the cavity facing the inside of said tray (1), wherein said ridge (9) and said channel (10) are substantially complementary to each other and their shape coupling facilitates the stable coupling of said first bottom layer (2) and said second bottom layer (3);
    - said improved draining tray - also -comprises vertical alignment means, adapted to guide the insertion of said second bottom layer (3) in said tray (1).
  2. Improved draining tray (1) according to claim 1, characterized in that said vertical alignment means comprise:
    - discontinuous truncated cone shaped protruding structures (7), obtained on said first bottom layer (2) and projecting towards the inside of said tray (1);
    - discontinuous truncated cone shaped hollow structures (8), obtained on said second bottom layer (3), having the cavity facing towards the inside of said tray (1),
    wherein said discontinuous protruding structures (7) and said discontinuous hollow structures (8) are substantially complementary to each other and their progressive shape coupling guides the insertion of said second bottom layer (3) in said tray (1).
  3. Improved draining tray (1) according to claim 2, characterized in that said tray (1) has a substantially rectangular shape, said discontinuous protruding structures (7) are four, arranged at the four corners of said first bottom layer (2), and said discontinuous hollow structures (8) are four, arranged at the four corners of said second bottom layer (3).
  4. Improved draining tray (1) according to claim 3, characterized in that said discontinuous protruding structures (7) are offset from one another along a direction of extension of said tray (1).
  5. Improved draining tray (1) according to claim 3, characterized in that said discontinuous hollow structures (8) have a lower conicity with respect to said discontinuous protruding structures (7) so that their coupling takes place with friction interference fit.
  6. Improved draining tray (1) according to claim 1, characterized in that said at least one ridge (9) comprises discontinuities.
  7. Improved draining tray (1) according to claim 1, characterized in that said at least one ridge (9) comprises a flat upper profile (9') and said at least one channel (10) comprises a flat bottom (10').
EP18158276.8A 2017-02-24 2018-02-23 Improved draining tray for containing fresh food Active EP3366600B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000021404A IT201700021404A1 (en) 2017-02-24 2017-02-24 DRAINED DRAINAGE PAN FOR CONTAINING FRESH FOODS

Publications (2)

Publication Number Publication Date
EP3366600A1 EP3366600A1 (en) 2018-08-29
EP3366600B1 true EP3366600B1 (en) 2019-11-27

Family

ID=59521236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18158276.8A Active EP3366600B1 (en) 2017-02-24 2018-02-23 Improved draining tray for containing fresh food

Country Status (3)

Country Link
EP (1) EP3366600B1 (en)
ES (1) ES2774087T3 (en)
IT (1) IT201700021404A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020105364A1 (en) 2020-02-28 2021-09-02 Silver-Plastics GmbH & Co. Kommanditgesellschaft Packaging tray

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495230B1 (en) * 1990-12-27 1997-03-12 Hoechst Aktiengesellschaft Recyclable tray-like container with absorbent means
DE4313334A1 (en) * 1993-03-01 1994-09-08 Linpac Technologie Gmbh Dish for receiving foodstuffs and process for production of the same
DE29711265U1 (en) * 1997-06-27 1997-08-28 Kracht, Achim, 31707 Bad Eilsen Product carrier for food packaging
ITLU20110012A1 (en) * 2011-06-28 2012-12-29 Bianucci Di Bianucci S & C Snc DRAINING PAN FOR CONTAINMENT FOR FRESH FOODS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
IT201700021404A1 (en) 2018-08-24
EP3366600A1 (en) 2018-08-29
ES2774087T3 (en) 2020-07-16

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