EP3119699B1 - Packaging unit with lock and method for packing products - Google Patents

Packaging unit with lock and method for packing products Download PDF

Info

Publication number: EP3119699B1
Authority: EP; European Patent Office
Prior art keywords: packaging unit; locking element; cover part; front surface; length
Prior art date: 2014-04-15
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

EP15726373.2A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP3119699A1 (en

Inventor

Sandor Klaas Veenje

Wijbe Dijkstra

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.)

Huhtamaki Molded Fiber Technology BV

Original Assignee

Huhtamaki Molded Fiber Technology 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.)

2014-04-15

Filing date

2015-04-14

Publication date

2017-06-07

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=53276230&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3119699(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2014-04-15 Priority claimed from NL2012623A external-priority patent/NL2012623B1/en

2014-06-17 Priority claimed from NL2013011A external-priority patent/NL2013011B1/en

2015-04-14 Application filed by Huhtamaki Molded Fiber Technology BV filed Critical Huhtamaki Molded Fiber Technology BV

2015-04-14 Priority to HRP20171098TT priority Critical patent/HRP20171098T1/hr

2015-04-14 Priority to PL15726373T priority patent/PL3119699T3/pl

2017-01-25 Publication of EP3119699A1 publication Critical patent/EP3119699A1/en

2017-06-07 Application granted granted Critical

2017-06-07 Publication of EP3119699B1 publication Critical patent/EP3119699B1/en

Status Active legal-status Critical Current

2035-04-14 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
- B65D85/32—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for eggs
- B65D85/324—Containers with compartments made of pressed material
- 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
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- 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
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- B65D2203/02—Labels

Definitions

the present invention relates to a packaging unit made of moulded pulp for products like eggs and similar products like kiwis and tomatoes, for example.
Egg cases, containers or cartons known in practice are generally fabricated from carton made from moulded pulp originating from paper material. Such units comprise a bottom part, provided with compartments for individual products, and a cover part that is often hingedly connected to the bottom part. Products like eggs are transported in these units and displayed on shelves in supermarkets, for example.
the lock that is provided to secure the cover part to the bottom part in the closed position of the packaging unit needs to be sufficiently stable.
the lock is not always sufficiently stable, such that the cover part is not sufficiently locked to the bottom part in the closed position of the packaging unit. This may result in product damage and even product loss during transport and/or storage.
the present invention has for its object to obviate or at least reduce the above stated problems in known packaging units such as egg cases or egg cartons.
the present invention provides for this purpose a packaging unit according to claim 1.
the cover part is hingedly connected to the bottom part on the rear side thereof.
a lock is provided on the front side comprising a first locking element on the bottom part and a second locking element on the cover part.
the first locking element extends upwardly from the bottom part, thereby defining a cam structure with an at least partly downwardly facing locking plane having a length and a width.
the first locking element is hingedly connected to the bottom part and capable of some rotating movement.
the cam is provided with a closed outer contour/surface without openings the plane corresponds to the at least partly downwardly facing locking surface of the cam.
the cam When the packaging unit is in a closed position, the cam partly extends through an opening that is provided in the front surface of the cover part. This provides a lock capable of locking the packaging unit according to the invention to prevent unintentional opening of the packaging unit.
the second locking element having a length and a width, extends inwardly from the front surface of the cover part over a certain length. This further improves the locking function and more specifically improves the stability of the lock over a broad range of conditions involving forces acting on the packaging unit, wear, and production tolerances.
the second locking element is preferably shaped as a lip or edge that is preferably provided at or near the bottom edge of the opening in the front surface of the cover part.
the first and second locking elements are configured such that the locking elements are capable of engaging each other over the length of the locking element, more specifically the second locking element is configured such that it is capable of engaging, with its length, the first locking element in a locking state of the packaging unit.
This enables an increase in the effective locking area, i.e. the surface of the first and second locking elements that may contact each other, thereby improving locking security.
the second locking element comes into contact with the at least partially downward facing locking plane of the first locking element when an upwards acting force is applied to the cover part, while it is not the intention to open the packaging unit. This improves the locking function and stability of the packaging unit.
the ratio of the length of the cam and the length of the second locking element is in the range of 1.25-3 mm, preferably in the range of 1.5-2.5 mm, more preferably in the range of 1.6-2.2 mm, and most preferably the ratio is about 1.8 mm.
the second locking element that is preferably shaped as a lip or edge, has a length of about 3.5-8 mm, more preferably, the length is about 5 mm. It is shown that providing a significant length, preferably 5 mm, for the second locking element contributes to guaranteeing a sufficient locking function when the packaging unit according to the present invention is used in practice with disturbing effects. This further improves the stability of the lock of the packaging unit, thereby reducing the risk of damaging products therein.
the plane of the first locking element is provided with an angle relative to the horizontal in the range of 3°-20°, preferably in the range of 5°-15°, and most preferably the angle is about 10°.
the second locking element is confronted with a locking force that has a component in an inward direction of the packaging unit. This further stabilises the lock of the packaging unit.
the second locking element is provided at an angle relative to the front surface of the cover part in the range of 20°-60°, preferably in the range of 30°-50°, and most preferably the angle is about 40°.
This angle is relative to the front surface of the cover part.
the first and second locking elements are arranged such that an increasing contact surface between the locking elements is achieved when an upwards directed force acts on the cover part in case of unintentional opening of the packaging unit. As an effect of such force the second locking element bends relative to the front surface of the cover part. Increasing the contact surface increases the strength of the locking function, thereby improving the stability of the lock.
both the first and the second locking elements are provided at their respective angles, and the combination of these two features further improves the stability of the lock beyond the sum of the individual effects.
the front surface of the cover part comprises two parts that are provided substantially above each other in vertical direction at an angle relative to each other, with a first lower part and a second part above the first part comprising the one or more openings in the front surface.
a visual effect is achieved, such that a consumer has a good view on the (stack of) packaging units irrespective of the position of the consumer relative to the packaging unit.
the lock capability of handling forces acting under various angles on the packaging unit is improved.
a slightly inwardly inclined second part of the front surface is provided such that the contribution of the front surface of the cover part to the correct functioning of the lock is improved.
the first locking element is provided with a front surface comprising an embossing.
the consumer can be provided with visual information about the egg.
This visual information may relate to the contents of the packaging unit and/or indication of a location for opening the packaging unit.
the packaging unit comprises a label that is provided on the cover part, wherein the label comprises a cut to enable the first locking element to partly extend through the opening in the front surface of the cover part.
the first locking element is capable of extending through the opening in the front surface.
the cut can be shaped as an opening such that the first locking element extends through the opening in the front surface of the cover part and the label that is provided thereon.
a groove-shaped cut, incision or slit is provided that enables the first locking element to slightly deform the label.
the consumer is provided with information that the lock is correctly achieved. Furthermore, this provides the consumer with a visual indication of where, and how, to open the packaging unit.
the cut comprises a curved cut that is configured to enable the cam to partly extend through the opening in the cover part. More specifically, the curved cut is preferably positioned relative to the cam such that in a closed position of the packaging unit the cam defines a buckling or deflected part in the label and keeping the cam substantially behind the label as seen in a front view of the packaging unit in a closed position thereof.
This further enhances the display surface and provides an additional three-dimensional effect on the label.
this three-dimensional effect is further enhanced by providing the cam with an egg-shape. This is particular useful in case of packing egg-products for a visual indication to consumers of the products inside the packaging unit.
the egg-shaped cam distributes forces over the label in all relevant directions such that the risk of the label cracking or bursting when closing the packaging unit is significantly reduced.
the curved cut comprises a circular shape with one curve radius. Providing a single curve radius provides a cut that is well defined and is capable of distributing forces acting on the label in all relevant directions to prevent cracking or bursting of the label.
the curved cut comprises more than one curve radius. Providing more than one curve radius enables providing a cut with any desired length. This provides additional flexibility for the dimensions of the packaging unit.
the first locking element is formed by moulding and/or pressing and is provided with a closed surface or closed outer contour.
the first locking element By designing the first locking element as a cam that is preferably provided with a nose shape, the first locking element can be formed during the manufacturing process involving moulding and/or pressing. This also enables providing the cam shaped first locking element with a closed surface or closed outer contour, i.e. substantially without openings in the contact surfaces of the lock. This improves the contact between the downward facing plane/surface of the first locking element and the second locking element.
the present invention further relates to a method for packing products like eggs, comprising the steps of providing a packaging unit as described above, and placing therein one or more of the products.
a packaging unit 2 ( Figures 1-2 ) comprises a first unit 2a and a second unit 2b. Each unit comprises a bottom part 4 with a front surface 6, two side surfaces 8, a back side 10, and a bottom side 12.
a cover part 14 is hingedly connected with hinge 16 to bottom part 4 to allow cover part 14 to move relatively to bottom part 4 between an open and a closed position.
Cover part 14 further comprises front surface 18, two side surfaces 20, a back side surface 22 and a top surface 24.
bottom part 4 product receiving compartments 26 having contours matching at least partially the outer contours of the products, like eggs, kiwis and tomatoes, for example.
Support cones 28 are provided to add stability and strength to packaging unit 2.
connection 32 connects the twin packages 2A, 2B. It will be understood that all features shown for the twin pack configuration 2 can also be used in other configurations, including more conventional packaging units including a unit comprising 6, 10, 12 or any other number of compartments for receiving products like eggs.
FIG. 3A and B Several alternative embodiments of a packaging unit can be envisaged ( Figure 3A and B ), including a packaging unit 34 that is provided with a label 36 wherein label 36 comprises cut 38.
Lock 30 may extend through cut 38 and/or push part of label 36 slightly forward when packaging unit 34 is in a closed position.
cut 38 can be applied, including the groove-shaped cut in a substantially horizontal direction as illustrated in Figure 3A , as well as U-shaped cuts that enable part of label 36 to slightly be pushed upwards by lock 30 when packaging unit 34 is in a closed position.
a further alternative embodiment for packaging unit 40 comprises label 42 wherein an opening 44 ( Figure 3A ) is provided.
alternative units 34, 40 are shown in one twin pack.
front surface of lock 30 is provided with an embossment 46.
the shape of embossment 46 can be related to the product provided inside packaging unit 40, such as an egg-shape, or provide further information to the consumer, such as where to open packaging unit 40.
Alternative embodiments 134, 140 ( Figure 3 B) with lock 130 comprise labels 136, 142 with a ⁇ -shaped cut 138 and a +-shaped cut 138, respectively. It will be understood that other shapes are also possible including U-, V-, ⁇ -, and ⁇ -shaped cuts.
cut 138 is embodied as an incision.
cut 138 can be provided as a cut-away with some label material being removed.
FIG. 3 C Alternative packaging unit 202 ( Figure 3 C) is illustrated in a twin pack-configuration.
Unit 234 is provided with label 236, wherein label 236 comprises cut 238.
label 236 comprises cut 238.
Cam 231 of lock 230 may extend through cut 238 and/or push part of label 236 slightly forward in area 240 when packaging unit 234 is in a closed position.
area 40 will typically have an egg-shape corresponding with the shape of cam 231.
cut 238 comprises a single radius R1, extending in height over distance y1 and in width direction over distance d1. It will be understood that several shapes of cut 238 can be applied.
Unit 242 is provided with label 244 comprising alternative cut 246 with at least two different radii R2a and R2b, extending over distances y2 and d2 defining area 247.
a further alternative embodiment for packaging unit 248 comprises label 250, wherein cut 252 is provided ( Figure 3 D) that extends over distances y3 and d3. Cut 252 is on both ends provided with cross-cuts 254. Cross-cuts 254 enlarge area 256 by increasing distance y3 enabling further buckling or deflection of label 250 caused by cam 231.
Unit 258 comprises label 260 with cut 262 having at least two radii R4a and R4b, and cross-cuts 264. Distances y4 and d4 define area 266.
alternative units 248, 258 are shown in one twin pack.
Lock 30 ( Figures 4-5 ) comprise a nose-shaped cam 48 acting as first locking element.
Cam 48 is provided on flap 50 that is hingedly connected by connection 52 to bottom part 4 of packaging unit 2.
connection 52 is capable of a slightly rotating movement A.
cam 48 defines a closed outer surface or outer contour defining a chamber 54.
the substantially downward facing surface 56 of cam 48 is in the illustrated embodiment a substantially closed surface without openings.
cam 48 partly extends through opening 58 that is provided in the front surface 18 of cover part 14.
the upper edge 60 of opening 58 is provided at a small angle and is slightly pushed inwards.
Front surface 18 of cover part 18 is provided with lower part 62 that in the closed position of packaging unit 2 extends substantially vertical.
a second part 64 is provided directly above first part 62 at an inwards inclined angle ⁇ relative to vertical 70.
the upper edge of second part 64 defines the lower edge 66 of opening 58 and acts as second locking element.
Edge or lip 66 of this second locking element extends over a distance D1 and is provided at an angle ⁇ relative to the second part 64 of front surface 18.
surface 56 of cam 48 is provided at an angle ⁇ relative to horizontal 68.
Surface 56 extends substantially inward over a length D2. In the illustrated embodiment, length D2 is about two times the length D1 of lip 66.
⁇ is about 30°
⁇ is about 5°
⁇ is about 12°
Distance D1 is about 5 mm
distance D2 is about 9 to 10 mm. It will be understood that other configurations and dimensions will also be possible in accordance with the present invention.
lip 66 is provided at a somewhat larger angle relative to horizontal 68 as compared to surface 56.
lip 66 will contact surface 56 and the contact surface between the two locking elements 48, 66 will increase with an increasing upwards directed force. This improves the stability of lock 30.
a chamber 54 is provided by moulding and/or pressing such that plane 56 preferably provides a closed surface. It will be understood that other alternative configurations are also possible in accordance with the invention.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Packaging Frangible Articles (AREA)
Packages (AREA)
Buffer Packaging (AREA)
Auxiliary Devices For And Details Of Packaging Control (AREA)

EP15726373.2A 2014-04-15 2015-04-14 Packaging unit with lock and method for packing products Active EP3119699B1 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
HRP20171098TT HRP20171098T1 (hr)	2014-04-15	2015-04-14	Jedinica za pakiranje sa zaključavanjem i postupak za pakiranje proizvoda
PL15726373T PL3119699T3 (pl)	2014-04-15	2015-04-14	Jednostka opakowania z zamknięciem oraz sposób pakowania produktów

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
NL2012623A NL2012623B1 (en)	2014-04-15	2014-04-15	Packaging unit with lock and method for packing products.
NL2013011A NL2013011B1 (en)	2014-06-17	2014-06-17	Packaging unit with lock adjusted label, and method for packing products.
PCT/NL2015/050245 WO2015160248A1 (en)	2014-04-15	2015-04-14	Packaging unit with lock and method for packing products

Publications (2)

Publication Number	Publication Date
EP3119699A1 EP3119699A1 (en)	2017-01-25
EP3119699B1 true EP3119699B1 (en)	2017-06-07

Family

ID=53276230

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15726373.2A Active EP3119699B1 (en)	2014-04-15	2015-04-14	Packaging unit with lock and method for packing products

Country Status (8)

Country	Link
EP (1)	EP3119699B1 (lt)
DK (1)	DK3119699T3 (lt)
ES (1)	ES2638302T3 (lt)
HR (1)	HRP20171098T1 (lt)
HU (1)	HUE034419T2 (lt)
LT (1)	LT3119699T (lt)
PL (1)	PL3119699T3 (lt)
WO (1)	WO2015160248A1 (lt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB201205243D0 (en)	2012-03-26	2012-05-09	Kraft Foods R & D Inc	Packaging and method of opening
GB2511559B (en)	2013-03-07	2018-11-14	Mondelez Uk R&D Ltd	Improved Packaging and Method of Forming Packaging
GB2511560B (en)	2013-03-07	2018-11-14	Mondelez Uk R&D Ltd	Improved Packaging and Method of Forming Packaging
NL2024210B1 (en)	2019-11-11	2021-07-28	Huhtamaki Molded Fiber Tech Bv	Packaging unit with ribs and method for packing products
NL2024536B1 (en)	2019-12-20	2021-09-02	Huhtamaki Molded Fiber Tech Bv	Packaging unit from a moulded pulp material with display openings and method for manufacturing such packaging unit
NL2026849B1 (en)	2020-05-27	2022-01-11	Huhtamaki Molded Fiber Tech Bv	Packaging unit from a moulded pulp material with elevated lock and method for manufacturing such packaging unit
US11912494B2 (en)	2020-05-27	2024-02-27	Huhtamaki Molded Fiber Technology B.V.	Packaging unit from a moulded pulp material with elevated lock and method for manufacturing such packaging unit
PL130074U1 (pl)	2021-05-26	2022-11-28	Delta Tadeusz Mucha I Wspólnicy Spółka Jawna	Wystawowe i dystrybucyjne opakowanie jajek z systemem zamykająco – blokującym pokrywę jego pojemnika
NL2029392B1 (en)	2021-06-14	2022-12-21	Huhtamaki Molded Fiber Tech Bv	Packaging unit from a moulded pulp material with a self-aligning element and method for manufacturing such packaging unit
AU2022295633A1 (en)	2021-06-14	2023-12-14	Huhtamaki Molded Fiber Technology B.V.	Packaging unit from a moulded pulp material with a self-aligning element and method for manufacturing such packaging unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20140042169A1 (en)	2011-02-22	2014-02-13	Brødrene Hartmann A/S	Egg Package

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US3398875A (en) *	1966-12-30	1968-08-27	United Ind Syndicate	Egg cartons
NL7810282A (nl) *	1978-10-12	1980-04-15	Leeuwarder Papier	Eierdoos.
US4446088A (en) *	1981-09-08	1984-05-01	Mobil Oil Corporation	Method and mold for making an improved egg carton
EP1373100B1 (en) *	2002-04-17	2005-01-12	Brödrene Hartmann A/S	Display package for articles such as eggs
EP2492215A1 (en) *	2011-02-22	2012-08-29	Brødrene Hartmann A/S	Egg package
EP2834166A1 (en) *	2012-04-02	2015-02-11	Huhtamaki Molded Fiber Technology B.V.	Packaging unit for products like eggs, and mould and method there for
US9650204B2 (en) *	2012-05-03	2017-05-16	Brødrene Hartmann A/S	Egg package
DE202013011737U1 (de) *	2013-03-22	2014-05-23	Omni-Pac Ekco Gmbh Verpackungsmittel	Eierverpackung

2015
- 2015-04-14 DK DK15726373.2T patent/DK3119699T3/en active
- 2015-04-14 HU HUE15726373A patent/HUE034419T2/en unknown
- 2015-04-14 EP EP15726373.2A patent/EP3119699B1/en active Active
- 2015-04-14 ES ES15726373.2T patent/ES2638302T3/es active Active
- 2015-04-14 HR HRP20171098TT patent/HRP20171098T1/hr unknown
- 2015-04-14 LT LTEP15726373.2T patent/LT3119699T/lt unknown
- 2015-04-14 WO PCT/NL2015/050245 patent/WO2015160248A1/en not_active Ceased
- 2015-04-14 PL PL15726373T patent/PL3119699T3/pl unknown

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20140042169A1 (en)	2011-02-22	2014-02-13	Brødrene Hartmann A/S	Egg Package

Also Published As

Publication number	Publication date
LT3119699T (lt)	2017-07-10
DK3119699T3 (en)	2017-09-18
HUE034419T2 (en)	2018-02-28
PL3119699T3 (pl)	2017-11-30
ES2638302T3 (es)	2017-10-19
HRP20171098T1 (hr)	2017-10-06
EP3119699A1 (en)	2017-01-25
WO2015160248A1 (en)	2015-10-22

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