EP2982613B1 - Emballage pour produit alimentaire avec couvercle présentant un contact par encliquetage - Google Patents

Emballage pour produit alimentaire avec couvercle présentant un contact par encliquetage Download PDF

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Publication number
EP2982613B1
EP2982613B1 EP15179813.9A EP15179813A EP2982613B1 EP 2982613 B1 EP2982613 B1 EP 2982613B1 EP 15179813 A EP15179813 A EP 15179813A EP 2982613 B1 EP2982613 B1 EP 2982613B1
Authority
EP
European Patent Office
Prior art keywords
projections
covering element
lateral wall
mould
wall
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.)
Not-in-force
Application number
EP15179813.9A
Other languages
German (de)
English (en)
Other versions
EP2982613A1 (fr
Inventor
Rodolfo Anghileri
Stefano Villa
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.)
Novacart SpA
Original Assignee
Novacart SpA
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Filing date
Publication date
Application filed by Novacart SpA filed Critical Novacart SpA
Publication of EP2982613A1 publication Critical patent/EP2982613A1/fr
Application granted granted Critical
Publication of EP2982613B1 publication Critical patent/EP2982613B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-like
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00638—Rolled edge
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00731—Groove or hollow bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00805—Segments

Definitions

  • the present invention refers to a package for displaying, storing and/or transporting food products, particularly for cakes or the like. Further, the invention refers to a distinct covering element, particularly for food packages and containers.
  • the known packages can consist of a containing body and an associated cover made in one piece, usually (but not necessarily) of paper material, and assembled by folding the different portions forming the flat blank; alternatively, the packages, according to the state of the art, can consist of a base element and a cover distinct and separated from each other. Possibly, the cover can be transparent, in order to enable to see and display the food also when this latter is inside the package.
  • the cover is usually adapted to be applied to the base; however, the covering element can be coupled to the base in different ways.
  • covers non- detachably associated to the base which can be for example hinged to the base, are known.
  • Such coupling enables to open and close the package by rotating the cover around the axis of the hinge itself.
  • the packages made in one piece and the packages provided with a cover undetachably coupled to the base do not exhibit a satisfying convenience and flexibility of use, because they enable to remove the covering element only by compromising the integrity of the package itself. Further, under this situation, typically the base and the cover are made of the same material (in other words paper or plastics).
  • covers which can be simply abutted on the base are known; however, such covers and packages using such covers do not ensure a stable coupling of the base to the cover.
  • the instability of such coupling is particularly disadvantageous for example when the package itself is transported.
  • the cover has an abutment surface and projections: a rim of the container body is received between the abutment surface and the projections of the covering element.
  • An object of the present invention consists of providing a covering element and a package using such covering element capable of ensuring a high flexibility of use.
  • a further object of the present invention consists of providing a covering element and a package using such covering element capable of simplifying the opening and closure of the package itself, by maintaining anyway an optimal reliability when the package itself is used.
  • the mould (2) is of the one-piece type, said bottom wall (23) and said lateral wall (24) of the mould (2) being joined, without interruption, at the circular perimeter of the bottom wall (23).
  • the bottom wall (23) and lateral wall (24) of the mould (2) are joined in one piece, particularly to define a single body.
  • the mould is made by drawing a flat blank of paper material.
  • the covering element (3) is of a one-piece type.
  • the curled edge (4) develops outwardly the mould (2) cavity (25).
  • the covering element (3) exhibits a diameter (D3) and height (H3) defined along a direction substantially normal to the upper wall (33), the height (H3) being formed by a first portion (H3') and a second portion (H3").
  • the second portion (H3") of the height (H3) characterizing the lower portion (36) of the lateral wall (34) of the covering element (3).
  • the diameter (D3) of the covering element (3) continuously varies along the first portion (H3') of the height (H3), particularly the diameter (D3) increases in a substantially radial direction at the height (H3') by forming a step at the lower portion (36) of the lateral wall (34) of the covering element (3), optionally the step defining the abutment surface (37) at the inner surface (31) of the covering element (3).
  • the diameter (D3) varies at the lower portion (36) of the lateral wall (34) of the covering element (3) along said second portion (H3").
  • the height (H3) of the covering element is not less than 0.5 cm.
  • the upper surface (33) of the covering element (3) exhibits a diameter (D3') not less than 7 cm.
  • the mould (2) exhibits a height (H2) not less than 1 cm.
  • the mould (2) exhibits a diameter (D2) varying along the height (H2).
  • the bottom wall (23) of said mould (2) exhibits a diameter (D2) not less than 7 cm.
  • a predetermined number of projections (5) exhibits a first length (L') in a plane substantially parallel to the upper wall (33) and a predetermined number of other projections (5) exhibits a second length (L") in the same plane substantially parallel to the upper wall (33), said second length (L") being greater than said first length (L').
  • a projection (5) characterized by the first length (L') alternates with a projection (5) characterized by the second length (L").
  • said projections (5) exhibit a same length in a plane substantially parallel to the upper wall (33).
  • the lateral wall (34) of the covering element (3) exhibits a first and second substantially rectilinear portions (51, 52) and a third portion (53) receding towards the cavity (35) and characterized by a geometric outline at least partially curvilinear and/or rectilinear, the third portion (53) being interposed between the first and second substantially rectilinear portions (51, 52) and defining the outer outline of the projections (5).
  • the geometric outline of the third portion (53) is defined by an open polygonal chain.
  • the open polygonal chain characterizing the outer outline of said projections (5) comprises at least two substantially rectilinear segments, said two substantially rectilinear segments being reciprocally oriented and with respect to the first and second substantially rectilinear portions (51, 52) in order to define a size of the projections (5), the size radially emerging from the lateral wall (34) at the inner surface (31) of the covering element (3) and projecting inside said cavity (35).
  • the number of the projections (5) of the covering element (3) is comprised between 2 and 20.
  • the covering element (3) exhibits at the lower portion (36) of the lateral wall (3) a rectilinear edge (38) perimetrally developing with respect to the cavity (35), the rectilinear edge (38) defining a surface substantially parallel to said abutment surface (37) and developing towards the outside of the cavity (35) of the covering element (3).
  • said film of oleophobic and/or hydrophobic material is based on polyethylene.
  • the mould (2) exhibits a plurality of ribs at at least one of: the inner surface (21) of the lateral wall (24) and the outer surface (22) of the lateral wall (24).
  • the mould (2) exhibits a plurality of ribs at the curled edge (4).
  • said mould (2) exhibits a substantially frusto-conical shape.
  • a plurality of projections (5) comprise, in a cross-section along a plane normal to the upper wall (33), at least one first segment (80) emerging from the outline of the lateral wall (24) towards the inner cavity (35) substantially normal to the outline to define an undercut (81), the plurality of projections (5) further comprising, in the same cross-section, a second segment (82) emerging from the outline of the lateral wall (34) towards the inner cavity (35) with an angle ( ⁇ ) with respect to the outline of the upper wall (33) comprised between 25° and 85°, particularly comprised between 40° and 65°, preferably with an angle of about 45°.
  • the plurality of projections (5) further comprises, in the same cross-section, a third segment (83) joining the first and second segments (80, 82), said third segment (83) being sloped with respect to the first and second segments (80, 82), particularly the third segment (83) being substantially normal to the outline of the upper wall (33).
  • the second segment (82) defines the outline of a lead-in sloped surface (84) configured for abuttingly receiving and sliding the curled edge (4) during a step of coupling the cooking mould (2) to the covering element (3), and wherein the first segment (80) defines the outline of a flat abutment surface (85) configured for retaining the first curled edge (4) once the cooking mould (2) and covering element (3) are coupled.
  • the flat abutment surface (85) is opposite and substantially parallel to the abutment surface (37) of the covering element (3), under coupling conditions of the cooking mould (2) to the covering element (3), the curled edge (4) being interposed between and retained by said abutment surfaces (85, 37).
  • the first segment (80) has a length of at least 0.7 mm.
  • a predetermined number of projections (5) exhibit a first extension (P') in a plane substantially parallel to the upper wall (33) and in a radial direction and a predetermined number of other projections (5) exhibit a second extension (P") in the same plane substantially parallel to the upper wall (33), said first extension (P') being greater than said second extension (P").
  • a projection (5) characterized by the first extension (P') alternates with a projection (5) characterized by the second extension (P").
  • the predetermined number of projections (5) exhibiting the first length (L') exhibits also the first extension (P')
  • the predetermined number of projections (5) exhibiting the second length (L") exhibits also the second extension (P").
  • all the projections (5) exhibit a same vertical maximum development (H4) in a direction normal to the upper wall (33).
  • the third segment (83) exhibits a height (H5) in a direction normal to the upper wall (33), greater than 2.5 mm.
  • the third segment (83) of the predetermined number of projections (5) exhibiting the first length (L') has a height (H5), in a direction normal to the upper wall (33), greater than the height (H5) of the third segment (83) of the predetermined number of projections (5) exhibiting the second length (L") .
  • the third segment (83) of the predetermined number of projections (5) exhibiting the first extension (P') has a height (H5), in a direction normal to the upper wall (33), less than the height (H5) of the third segment (83) of the predetermined number of projections (5) exhibiting the second extension (P").
  • a package (1) for displaying food, particularly cakes or the like comprising:
  • a projection (5) characterized by the first extension (P') alternates with a projection (5) characterized by the second extension (P").
  • the predetermined number of projections (5) having the first extension (P') exhibits a first length (L') in a plane substantially parallel to the upper wall (33) and the predetermined number of other projections (5) having the second extension (P") exhibit a second length (L") in the same plane substantially parallel to the upper wall (33), said second length (L") being greater than said first length (L').
  • a plurality of projections comprise, in a cross-section along a plane normal to the upper wall (33), at least one first segment (80) emerging from the outline of the lateral wall (34) towards the inner cavity (35) substantially normal to the outline itself to define an undercut (81), the plurality of projections (5) further comprising, in the same cross-section, a second segment (82) emerging from the outline of the lateral wall (34) towards the inner cavity (35) with an angle with respect to the outline of the upper wall (33) comprised between 25° and 85°, particularly comprised between 40° and 65°, preferably with an angle of about 45°.
  • the plurality of projections (5) further comprises, in the same cross-section, a third segment (83) joining the first and the second segments (80, 82), said third segment (83) being sloped with respect to the first and second segments (80, 82), particularly the third segment (83) being substantially normal to the outline of the upper wall (33).
  • the second segment (82) defines the outline of a lead-in sloped surface (84) configured for abuttingly receiving and sliding the curled edge (4) during a step of coupling the cooking mould (2) to the covering element (3), and wherein the first segment (80) defines the outline of an abutment flat surface (85) configured for retaining the curled edge (4) once the cooking mould (2) and covering element (3) have been coupled.
  • the abutment flat surface (85) is opposite and substantially parallel to the abutment surface (37) of the covering element (3), and wherein, under the conditions of coupling the cooking mould (2) to the covering element (3), the curled edge (4) being interposed and retained by said abutment surfaces (85, 37).
  • the first segment (80) has a length of at least 0.7 mm.
  • the third segment (83) exhibits a height (H5), in a direction normal to the upper surface (33), greater than at least 2.5 mm.
  • the third segment (83) of the predetermined number of projections (5) exhibiting the first length (L') has a height (H5), in a direction normal to the upper wall (33), greater than the height (H5) of the third segment (83) of the predetermined number of projections (5) exhibiting the second length (L") .
  • the third segment (83) of the predetermined number of projections (5) exhibiting the first extension (P') has a height (H5), in a direction normal to the upper wall (33), less than the height (H5) of the third segment (83) of the predetermined number of projections (5) exhibiting the second extension (P").
  • a covering element (3) for packaging food products made of a substantially transparent plastic material, removably coupable to a food cooking mould (2) and exhibiting an inner surface (31) and an outer surface (32), the covering element (3) comprising an upper wall (33) having a substantially circular perimeter and a lateral wall (34) emerging from and perimetrally developing with respect to the upper wall (33), the lateral wall (34) and upper wall (33) defining a cavity (35) delimited, at the top, by the upper wall (33) and laterally by the lateral wall (34), the lateral wall (34) exhibiting a lower portion (36) having a substantially circular perimetral edge, said covering element (3) exhibiting at the lower portion (36) of the lateral wall (34) an abutment surface (37) and a plurality of projections (5), the abutment surface (37) being defined at the inner surface (31) of the covering element (33), the projections (5) emerging towards the cavity (35) at the inner surface (31) of the lateral wall (34) of the covering element (3)
  • the package 1 generally indicates a package for displaying and/or storing and/or transporting food, particularly cakes or the like.
  • the package 1 consists of a food cooking mould 2 and a covering element 3.
  • the mould 2 forms the base of the package 1, and the covering element 3 is configured for being removably coupable to the mould 2.
  • the package 1 can mainly take an open condition and a closed condition; the two conditions distinguish from each other due to the reciprocal positioning of the covering element 3 and mould 2. Under the open condition, the covering element 3 and mould 2 are not coupled ( Figure 1 ), while under the closed condition, the covering element 3 is removably engaged with the mould 2; the open condition is for example illustrated in Figure 1 , the closed condition is not represented.
  • the food cooking mould 2 is configured for receiving at least one food product and possibly for enabling to cook it in an oven.
  • the material forming it is capable of receiving a dough or similar food product and of withstanding the typical temperatures and the required food cooking times; the same mould 2 exhibits an inner surface 21 and an outer surface 22; particularly, the inner surface 21 can be coated by a film of oleophobic and/or hydrophobic material, preferably based on polyethylene (in order to maintain optimal structural characteristics also in the presence of moisture/water and/or oil).
  • Such coating has also the function of preventing a complete adhesion of the food product to the inner surface 21 of the mould 2 during its cooking.
  • the mould 2 exhibits a bottom wall 23 and a lateral wall 24.
  • the lateral wall 24 emerges from and perimetrally develops with respect to the bottom wall 23, which can be characterized by a substantially circular perimeter.
  • the lateral wall 24 and bottom wall 23 of the mould 2 are joined, without interruption, at the circular perimeter of the bottom wall 23.
  • the mould 2 is made in one piece by drawing a flat blank having a substantially circular shape.
  • the lateral wall 24 and bottom wall 23 are reciprocally oriented in order to define a cavity 25.
  • the lateral wall 24 emerges away from the bottom wall 23, in order to define a cavity 25 delimited, at the bottom, by the bottom wall 23 and laterally by the lateral wall 24, as illustrated with reference to the mould 2 shown in Figure 1 .
  • the term "operative conditions" of the mould 2 means the normal conditions of use of the mould 2.
  • the mould 2 is characterized by a slightly flared and/or frusto-conical shape.
  • the mould 2 lateral wall 24 exhibits an end upper portion 26 opposite to the bottom wall 23; the end upper portion 26 exhibits an edge projecting from the lateral wall 24.
  • the end upper portion 26 is at least partially rolled on itself such as to form a curled edge 4.
  • the curled edge 4 is the mould 2 portion which, under closed conditions of the package 1, is engaged with the covering element 3 at a respective seat.
  • the curled edge 4 perimetrally develops with respect to the cavity 25, to describe substantially a circumference, as illustrated in Figure 4 .
  • the curled edge 4 exhibits an upper portion 41 and a lower portion 42, which are adapted to get at least partially in contact with one or more abutment surfaces of the covering element 3, as will be described herein below.
  • the mould 2 can exhibit at least, at the inner surface 21, of the outer surface 22 or curled edge 4, a plurality of ribs.
  • Such ribs are due to the excess of material resulting from the deformation from the flat blank to the three-dimensional arrangement during the step of making the mould itself.
  • the material excess could define a determined number of pleats uniformly distributed along the development of the lateral wall, or, alternatively, could be simply pressed during the drawing step, giving rise to uneven ripples along all the wall.
  • the mould 2 exhibits a diameter D2 and a height H2, defined in a plane normal to the bottom wall 23, preferably along a substantially vertical direction.
  • the mould 2 can exhibit a constant diameter D2; alternatively, the diameter D2 can vary along the height H2, for example, by linearly varying along the height H2.
  • the diameter D2 can take a value, for example not less than 7 cm, at the bottom wall 23 of the mould 2, then increases from the bottom wall 23 towards the end upper portion 26 along the height H2.
  • the mould 2 has a flared shape and is substantially of the frusto-conical type.
  • the height H2 is not less than 1 cm.
  • the food cooking mould 2 can be made of paper material; particularly, the mould 2 is of a one-piece type and can be made by drawing a flat blank of paper material.
  • the covering element 3 is removably coupable to the food cooking mould 2.
  • the covering element 3 can be made of a plastic material, for example a flexible one, particularly of a substantially transparent plastic material.
  • the covering element 3 exhibits an inner surface 31 and an outer surface 32.
  • the covering element 3 comprises an upper wall 33 and a lateral wall 34.
  • the lateral wall 34 emerges from and perimetrally develops with respect to the upper wall 33, which is preferably characterized by a substantially circular perimeter.
  • the lateral wall 34 develops by emerging from the upper wall 33; in other terms, the lateral wall 34 and the upper wall 33 can be reciprocally oriented in order to define a cavity 35. Under a normal condition of use of the covering element 3, the cavity 35 is delimited at the top by the upper wall 33 and laterally by the lateral wall 34.
  • the lateral wall 33 of the covering element 3 can exhibit a lower portion 36 having a substantially circular perimetral edge. At the lower portion 36, the covering element 3 exhibits an abutment surface 37 and a plurality of projections 5; the abutment surface 37 is defined at the inner surface 31 of the covering element and exhibits a substantially flat trend parallel to the upper wall 33.
  • the projections 5 emerge from the lateral wall 34, particularly at the inner surface 31 of the lateral wall 34, in a substantially radial direction 34 towards the cavity 35.
  • each projection 5 circumferentially develops with respect to the cavity along an arc of circle, as illustrated for example in Figure 3 .
  • the abutment surface 37 and projections 5 reciprocally delimit, at the cavity 5, a space which under closed conditions of the package acts as a housing seat of the curled edge 4.
  • the abutment surface 37 and/or projections 5 are adapted to be brought at least partially in contact with the curled edge 4 under closed conditions of the package 1, the abutment surface 37 is in contact with the upper portion 41 of the curled edge 4 and a portion of one or more projections 5 is in contact with the lower portion 42 of the curled edge 4, as it will be more particularly described herein below.
  • the mould 2 curled edge 4 can be engaged with the covering element 3 between the abutment surface 37 and the projections 5.
  • the covering element 3 does not exhibit a single continuous projection, but a plurality of projections 5.
  • the covering element 3 exhibits a number of projections comprised between 2 and 20, more particularly an even number of projections for example between 4 and 12 and particularly 8 distinct projections.
  • the lateral wall 34 of the covering element 3 exhibits a first and second substantially rectilinear portions 51, 52 and a third portion 53 interposed between the first and second portions 51, 52 and receding towards the cavity 35, as illustrated in Figure 6 .
  • the third portion 53 can be characterized by a geometric outline at least partially curvilinear and/or at least partially rectilinear, particularly defined by an open polygonal chain.
  • the geometric outline characterizing the third portion 53 defines the outer outline of the projections 5.
  • the geometric outline of the projections 5 can be at least partially of the rectilinear and/or curvilinear type.
  • the geometric outline of the projections 5 can be defined by an open polygonal chain which can comprise at least two substantially rectilinear segments reciprocally oriented and/or oriented with respect to the first and second portions 51, 52 in order to define the size of the projections 5.
  • Each projection 5 emerges from the lateral wall 34 at the inner surface 31 of the covering element 3, by projecting towards the cavity 35 of the covering element 3 and by defining a substantially radial size.
  • the covering element 3 can exhibit a height H3 and a diameter D3.
  • the height H3 can be defined in a plane normal to the upper wall 33, preferably along a substantially vertical direction.
  • the height H3 can consist of a first portion H3' and a second portion H3"; the second portion H3" is the height of the lateral wall 34 of the lower portion 36 of the covering element 3.
  • the diameter D3 can vary along the height H3; particularly the diameter D3 can continuously vary along the first portion H3' of the height H3 and then increase in a substantially radial direction at the height H3' (as illustrated in Figure 4 ), such as to form a step at the lower portion 36 of the lateral wall 34 of the covering element 3.
  • Such step defines at the inner surface 31 of the lateral wall 34 of the covering element 3 the abutment surface 37 adapted to be brought in contact with the upper portion 41 of the mould 2 curled edge 4.
  • the diameter D3 can vary, continuously and/or by steps, at the lower portion 36 of the lateral wall 34 of the covering element 3 along the second portion H3" of the height H3. From the dimensional point of view, the height H3 of the covering element 3 is not less than 0.5 cm and the upper wall 33 of the covering element 3 exhibits a diameter D3' not less than 7 cm.
  • the covering element 3 can exhibit at the lower portion 36 of the lateral wall 34 a rectilinear edge 38 which can perimetrally develop, particularly circumferentially, with respect to the cavity 35 of the covering element 3.
  • the rectilinear edge 38 can further define a surface substantially parallel to the abutment surface 37; such surface can radially develop away from the cavity 35 of the covering element 3.
  • the projections 5 With reference to the geometric shape of the projections 5, they can longitudinally and radially develop in a plane substantially parallel to the upper wall 33 of the covering element 3 and vertically in a direction substantially normal to the upper wall 33.
  • each projections 5 circumferentially extend at the inner surface 31 of the covering element 3 for a determined length defined in a plane substantially parallel to the upper wall 33; the length of the projections 5 can be calculated in a rectilinear direction or along the circumferential development of the projections 5.
  • the projections 5 can have the same length or can exhibit lengths different from each other.
  • a predetermined number of projections 5 can exhibit a first length L' in a plane substantially parallel to the upper wall 33 and a predetermined number of other projections 5 can exhibit a second length L" in the same plane.
  • the second length L" is greater than the first length L'.
  • a projection 5 characterized by the first length L' alternates with a projection 5 characterized by the second length L".
  • the projections 5 With reference to the size of the projections 5 towards the cavity 35 of the covering element 3, they extend in a plane substantially parallel to the upper wall 33, along a substantially radial direction; particularly, a predetermined number of projections 5 exhibit a first extension P' and a predetermined number of other projections 5 exhibit a second extension P".
  • the first extension P' is greater than the second extension P", in other words, the projections 5 characterized by the first extension P' exhibit a radial size greater than the one of the projections 5 characterized by the second extension P".
  • the projections 5, exhibiting a radial size characterized by a first or a second extension P', P" enable the covering element 3, under closed conditions of the package 1, to retain the curled edge 4 in the seat defined between the abutment surface 37 and the projections 5.
  • the projections 5 responsible for holding the coupling between the covering 3 and the mould 2 are those characterized by the first radial extension P' which, being greater than the second extension P", ensures to more stably retain the curled edge 4 in the respective seat (see Figure 3 ).
  • a projection characterized by the first extension P' can alternate with a projection characterized by the second extension P".
  • the predetermined number of projections 5 characterized by the first length L' radially extend for a first extension P'
  • the predetermined number of other projections 5 characterized by the second length L" radially extend for a second extension P.
  • a plurality of projections 5, particularly all the projections 5, can comprise, in a cross-section along a plane normal to the upper wall 33 (such as the sectional plane VI-VI illustrated in Figure 3 - see Figure 8 ), at least a first segment 80 and a second segment 82.
  • the first segment 80 emerges from the outline of the lateral wall 34 towards the inner cavity 35 in a direction substantially normal to the outline of the lateral wall 34 such as to form an undercut 81, as illustrated in Figure 8 . From the size point of view, the first segment 80 has a length of at least 0.7 mm.
  • the first segment 80 defines the outline of an abutment flat surface 85 which is opposite and substantially parallel to the abutment surface 37 of the covering element 3.
  • the mould 2 curled edge 4 is interposed between and retained by the abutment surfaces 85, 37 in the seat defined between them.
  • the upper portion 41 of the curled edge 4 is at least partially in contact with the abutment surface 37, and the lower portion 42 of the curled edge 4 is at least partially in contact with the abutment surface 85.
  • the second segment 82 With reference to the second segment 82, it emerges from the outline of the lateral wall 34 towards the inner cavity 35 such as to form an angle ⁇ with respect to the outline of the upper wall 33; the angle ⁇ is comprised between 25° and 85°, particularly between 40° and 65°, preferably of about 45°. Further, the second segment 82 defines the outline of a lead-in sloped surface 84 configured for abuttingly receiving and sliding the curled edge 4 during the step of coupling the cooking mould 2 to the covering element 3.
  • a plurality of projections 5, particularly all the projections 5, can further comprise a third segment 83 defined in a cross-section along a plane normal to the upper wall 33; particularly, the third segment 83 joins the first and second segments 80, 82 and is interposed between them.
  • the third segment 83 is sloped with respect to the first and second segments 80, 82; preferably, the third segment 83 is substantially normal to the outline of the upper wall 33.
  • the reciprocal orientation of the first, second and third segments 80, 82, 83 of a projection 5 is for example illustrated in Figure 8 .
  • the third segment 83 exhibits a height H5 developing normal to the upper wall 33. From the dimensional point of view, the height H5 is greater than at least 2.5 mm.
  • the third segment 83 of the predetermined number of projections 5 exhibiting the first length L' can have a height H5 greater than the height H5 of the third segment 83 of the predetermined number of projections 5 exhibiting the second length L".
  • the third segment 83 of the predetermined number of projections 5 exhibiting the first extension P' can have a height H5 less than the height H5 of the third segment 83 of the predetermined number of projections 5 exhibiting the second extension P".
  • a predetermined number of projections 5 radially developing towards the cavity 35 for an extension greater than a predetermined number of other projections can exhibit, with respect to these latter, a smaller height H5 of the third segment 83.
  • the predetermined number of projections 5 exhibiting the first extension P' and a height H5 of the third segment 83 less than the height H5 of the third segment 83 of the predetermined number of projections 5 exhibiting the second extension P" can further be characterized by the first length L', while the predetermined number of projections 5 exhibiting the second extension P" can be characterized by the second length L".
  • the covering element 3 With reference to the operation of coupling the covering element 3 to the mould 2, it is necessary to push the covering element 3 against the mould 2, preferably in a direction substantially normal to the upper wall 33 of the covering element 3 and to the bottom wall 23 of the mould 2. Pushing the covering element 3 against the mould 2, the lead-in sloped surface 84 of one or more projections 5 of the covering element is brought in contact with the curled edge 4, particularly to the upper portion 41 thereof, enabling the curled edge 4 to slide along the lead-in surfaces 84 of the projections 5.
  • the present invention enables to obtain one or more of the following advantages and to solve one or more of the problems encountered in the known art.
  • the invention enables to ensure to more reliable couple the mould to the covering element.
  • the present invention further ensures a greater comfort and flexibility of use of the package for displaying and storing food. Further, the invention is user-friendly, can be easily implemented and can be easily and economically manufacturable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Claims (14)

  1. Emballage (1) de présentation d'aliment, particulièrement de gâteaux ou similaires, l'emballage (1) comprenant :
    - un moule de cuisson d'aliment (2) en papier et faisant preuve d'une surface interne (21) et d'une surface externe (22), particulièrement la surface interne (21) étant revêtue d'un film d'un matériau oléophobe ou hydrophobe, le moule (2) comprenant une paroi inférieure (23) ayant un périmètre sensiblement circulaire et une paroi latérale (24) émergeant et s'étendant dans le périmètre par rapport à la paroi inférieure (23), sous des conditions de fonctionnement du moule (2) la paroi latérale (24) et la paroi inférieure (23) définissant une cavité (25), la cavité (25) étant délimitée au niveau du fond par la paroi inférieure (23) et latéralement par la paroi latérale (24), la paroi latérale (24) faisant preuve d'une partie d'extrémité supérieure (26), opposée à la paroi inférieure (23), ayant un périmètre sensiblement circulaire, la partie d'extrémité supérieure (26) de la paroi latérale (24) étant au moins partiellement enroulée sur elle-même afin de former un bord recourbé (4), le bord recourbé (4) se développant dans le périmètre par rapport à ladite cavité (25) et présentant une partie supérieure (41) et une partie inférieure (42),
    - un élément de recouvrement (3) constitué d'un matériau en plastique sensiblement transparent, l'élément de recouvrement (3) étant couplé de manière amovible audit moule de cuisson d'aliment (2), l'élément de recouvrement (3) présentant une surface interne (31) et une surface externe (32) et comprenant une paroi supérieure (33) ayant un périmètre sensiblement circulaire et une paroi latérale (34) émergeant et se développant dans le périmètre par rapport à la paroi supérieure (33), la paroi latérale (34) et la paroi supérieure (33) définissant une cavité (35) délimitée au sommet par la paroi supérieure (33) et latéralement par la paroi latérale (34), la paroi latérale (34) présentant une partie inférieure (36) ayant un bord de périmètre sensiblement circulaire, ledit élément de recouvrement (3) présentant - à la partie inférieure (36) de la paroi latérale (34) - une surface de butée (37) et une pluralité de projections (5), la surface de butée (37) étant définie à la surface interne (31) de l'élément de recouvrement (3), les projections (5) émergeant vers la cavité (35) à la surface interne (31) de la paroi latérale (34) de l'élément de recouvrement (3),
    sous des conditions de fermeture dudit emballage (1), l'élément de recouvrement (3) étant couplé au moule (2), le bord recourbé (4) du moule (2) étant interposé entre ladite surface de butée (37) et lesdites projections (5) de l'élément de recouvrement (3), la partie supérieure (41) du bord recourbé (4) étant au moins partiellement en contact avec la surface de butée (37) de l'élément de recouvrement (3) et la partie inférieure (42) du bord recourbé (4) étant au moins partiellement en contact avec les projections (5) de l'élément de recouvrement (3),
    où au niveau desdites projections (5) la paroi latérale (34) de l'élément de recouvrement (3) fait preuve d'une première et d'une seconde parties (51, 52) sensiblement rectilignes et d'une troisième partie (53) en renfoncement vers la cavité (35) et caractérisée par un contour géométrique au moins partiellement curviligne et/ou rectiligne, la troisième partie (53) étant interposée entre la première et la seconde parties sensiblement rectilignes (51, 52) et définissant le contour externe des projections (5),
    l'emballage étant caractérisé en ce qu'une pluralité des projections (5) comprennent, dans un sens transversal selon un plan normal à la paroi supérieure (33), au moins un premier segment (80) émergeant du contour de la paroi latérale (34) vers la cavité interne (35) sensiblement normal au contour lui-même pour définir une découpe inférieure (81), la pluralité des projections (5) comprenant en outre, dans la même coupe transversale, un second segment (82) émergeant du contour de la paroi latérale (34) vers la cavité interne (35) sous un angle (α) par rapport au contour de la paroi supérieure (33) compris entre 25° et 85°.
  2. Emballage selon la revendication 1, dans lequel ledit moule (2) est du type en une pièce, ladite paroi inférieure (23) et ladite paroi latérale (24) du moule (2) étant jointes, sans interruption, au périmètre circulaire de la paroi inférieure (23), et dans lequel ledit élément de recouvrement (3) est d'un type en une pièce.
  3. Emballage selon l'une quelconque des revendications précédentes, dans lequel ledit bord recourbé (4) se développe vers l'extérieur de la cavité (25) du moule (2).
  4. Emballage selon l'une quelconque des revendications précédentes, dans lequel un nombre prédéterminé de projections (5) font preuve d'une première longueur (L') dans un plan sensiblement parallèle à la paroi supérieure (33) et un nombre prédéterminé des autres projections (5) présentent une seconde longueur (L") dans le même plan sensiblement parallèle à la paroi supérieure (33), ladite seconde longueur (L") étant supérieure à ladite première longueur (L').
  5. Emballage selon la revendication précédente, dans lequel le long du développement circonférentiel de la paroi latérale (34) une projection (5) caractérisée par la première longueur (L') alterne avec une projection (5) caractérisée par la seconde longueur (L").
  6. Emballage selon l'une quelconque des revendications précédentes, dans lequel le contour géométrique de la troisième partie (53) est défini par une chaîne polygonale ouverte, la chaîne polygonale ouverte caractérisant le contour externe desdites projections (5) comprend au moins deux segments sensiblement rectilignes, lesdits deux segments sensiblement rectilignes étant orientés réciproquement et par rapport à la première et à la seconde parties sensiblement rectilignes (51, 52) afin de définir une taille des projections (5), la taille émergeant radialement depuis la paroi latérale (34) à la surface interne (31) de l'élément de recouvrement (3) et se projetant à l'intérieur de ladite cavité (35).
  7. Emballage selon l'une quelconque des revendications précédentes, dans lequel l'angle (α) est compris entre 40° et 65°, est préférablement d'environ 45°.
  8. Emballage selon la revendication précédente, dans lequel la pluralité des projections (5) comprend en outre, dans la même section transversale, un troisième segment (83) joignant le premier et le second segments (80, 82), ledit troisième segment (83) étant en pente par rapport au premier et au second segments (80, 82), particulièrement le troisième segment (83) étant sensiblement normal au contour de la paroi supérieure (33).
  9. Emballage selon l'une quelconque des revendications précédentes, dans lequel le second segment (82) définit le contour d'une surface inclinée de guidage d'entrée (84) configurée pour recevoir et faire coulisser en butée le bord recourbé (4) durant une étape de couplage du moule de cuisson (2) à l'élément de recouvrement (3), et dans lequel le premier segment (80) définit le contour d'une surface plate de butée (85) configurée pour retenir le bord recourbé (4) une fois que le moule de cuisson (2) et l'élément de recouvrement (3) sont couplés.
  10. Emballage selon la revendication précédente, dans lequel la surface plate de butée (85) est opposée et sensiblement parallèle à la surface de butée (37) de l'élément de recouvrement (3), sous des conditions de couplage du moule de cuisson (2) à l'élément de recouvrement (3) le bord recourbé (4) étant interposé entre, et retenu par, lesdites surfaces de butée (85, 37).
  11. Emballage selon l'une quelconque des revendications précédentes, dans lequel un nombre prédéterminé de projections (5) font preuve d'une première extension (P') dans un plan sensiblement parallèle à la paroi supérieure (33) et dans un sens radial, et un nombre prédéterminé d'autres projections (5) présentent une seconde extension (P") dans le même plan sensiblement parallèle à la paroi supérieure (33), ladite première extension (P') étant supérieure à ladite seconde extension (P").
  12. Emballage selon la revendication précédente, dans lequel le long du développement circonférentiel de la paroi latérale (34), une projection (5) caractérisée par la première extension (P') alterne avec une projection (5) caractérisée par la seconde extension (P").
  13. Emballage selon la revendication 11 ou 12, dans lequel le nombre prédéterminé de projections (5) faisant preuve de la première longueur (L') présentent également la première extension (P'), le nombre prédéterminé de projections (5) présentant la seconde longueur (L") présentent également la seconde extension (P").
  14. Emballage selon l'une quelconque des revendications précédentes, dans lequel toutes les projections (5) présentent un même développement maximal vertical (H4) dans un sens normal par rapport à la paroi supérieure (33).
EP15179813.9A 2014-08-05 2015-08-05 Emballage pour produit alimentaire avec couvercle présentant un contact par encliquetage Not-in-force EP2982613B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2014U000254U ITMI20140254U1 (it) 2014-08-05 2014-08-05 Confezione per alimenti con copertura ad impegno a scatto

Publications (2)

Publication Number Publication Date
EP2982613A1 EP2982613A1 (fr) 2016-02-10
EP2982613B1 true EP2982613B1 (fr) 2017-03-29

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Application Number Title Priority Date Filing Date
EP15179813.9A Not-in-force EP2982613B1 (fr) 2014-08-05 2015-08-05 Emballage pour produit alimentaire avec couvercle présentant un contact par encliquetage

Country Status (2)

Country Link
EP (1) EP2982613B1 (fr)
IT (1) ITMI20140254U1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516572A (en) * 1968-09-06 1970-06-23 Sweetheart Plastics Closure having double fastening means
US4026459A (en) * 1975-06-19 1977-05-31 American Can Company Plastic container closure
US4375862A (en) * 1981-12-14 1983-03-08 Ekco Products, Inc. Container with dome cover
US8584929B2 (en) * 2003-10-20 2013-11-19 Dixie Consumer Products Llc Pressed paperboard servingware with improved rigidity and rim stiffness

Non-Patent Citations (1)

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

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EP2982613A1 (fr) 2016-02-10

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