EP2735523A1 - Anordnung für die Sicherung/Freigabe eines Deckels an/von einem Behälter - Google Patents

Anordnung für die Sicherung/Freigabe eines Deckels an/von einem Behälter Download PDF

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Publication number
EP2735523A1
EP2735523A1 EP12193577.9A EP12193577A EP2735523A1 EP 2735523 A1 EP2735523 A1 EP 2735523A1 EP 12193577 A EP12193577 A EP 12193577A EP 2735523 A1 EP2735523 A1 EP 2735523A1
Authority
EP
European Patent Office
Prior art keywords
flange
container
lid
stable position
arrangement according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12193577.9A
Other languages
English (en)
French (fr)
Other versions
EP2735523B1 (de
Inventor
Leif Hall
Helge Steg
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.)
Arta Plast AB
Original Assignee
Arta Plast AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arta Plast AB filed Critical Arta Plast AB
Priority to DK12193577.9T priority Critical patent/DK2735523T3/en
Priority to EP12193577.9A priority patent/EP2735523B1/de
Publication of EP2735523A1 publication Critical patent/EP2735523A1/de
Application granted granted Critical
Publication of EP2735523B1 publication Critical patent/EP2735523B1/de
Active 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
    • 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
    • B65D2543/00444—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
    • B65D2543/00648—Flange or lip
    • 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
    • B65D2543/00759—Flange or lip
    • 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
    • B65D2543/00824—Means for facilitating removing of the closure

Definitions

  • the present invention relates to an arrangement for assisted securing/releasing of a lid to/from a container.
  • the disclosed container comprises a flat lid element attached to a circumferential collar ellement of the container.
  • the container is formed by a plastic material that makes it possible to manufacture the container to a resonable cost and provide the desired sealing between the container and the lid to ensure that the content with the container maintains the desired characteristics.
  • the present invention provides an arrangement for assisted securing/releasing of a lid to/from a container.
  • the claimed arrangement for assisted securing/releasing of a lid to/from a container comprises:
  • the claimed arrangement fulfils the needs defined above since the bistable characteristics of the flange that is used for connecting the lid to the container will assist both the securing of the lid to the container and the releasing of the lid from the container as soon as the required force is applied on the lid to flip the flange.
  • the flange Before the lid is secured to the container, the flange is arranged in the first stable position.
  • the lid In order to secure the lid and close the container, the lid is arranged in the intended position covering the opening and with the shoulder engaging the outer end of the flange.
  • a force is applied on the lid, and consequently at the same time on the flange, in the direction towards the second stable shape of the flange.
  • the applied force should be large enough to flip the flange from the first to the second stable shape. Due to the bistable characteristic of the flange, the lid will be drawn towards the container together with the flange when the flipping takes place and thereby close the opening of the container in a more convenient way than for containers of previous known types.
  • each specific flange design has a spring force resulting from the shape and dimensions of the flange as well as the material of the flange.
  • the flange is designed to have a mechanical bistable characteristic which means that it has two different stable positions. These stable positions are arranged on opposite sides of the plane F defined by the flange base on the container wall, or collar of the lid.
  • the bistable character is achieved by the design of the flange in combination with an elastic material that makes it possible for the flange to flip from one position to the other without breaking.
  • the design of the flange and the selection of material are both parameters that could be used in order to design a flange with the desired properties, such as for example the spring force of the flange.
  • a flange made of a material with higher E-module will require a larger force to flip from one position to the other than a flange made of a material with lower E-module, and a flange with less thickness will be easier to flip from one position to the other than a flange with larger thickness if the same material is used.
  • Equally a flange made of a material with higher E-module will have a larger spring force than a flange made of a material with lower E-module.
  • the flange extend around the entire opening of the container and the shoulder around the entire collar of the lid, alternatively around the entire collar of the lid and the shoulder around the entire container wall.
  • the first and second stable position of the flange are arranged on opposite sides of a plane F parallel to the plane A of the opening. This embodiment privides an arrangement that makes it easy to attach the lid to the container and achive the desired flipping of the flange.
  • the container wall has an edge surrounding the opening, said edge is substantially flat and parallel to the plane A, or rounded, said edge is intended to be in contact with the surface of the lid that is facing the container.
  • the flat or rounded edge in contact with the side of the lid that is facing the container provides a tight and reliably sealing between the container and the lid.
  • the distance S between the surface of the lid that is in contact with the edge of the container and the shoulder on the collar is equal or less than the vertical distance E between the edge of the container and the second stable position of the bistable flange if the flange is extending from the container wall.
  • the distance S is larger than the distance between the plane F and the first stable position of the flange, and less than the distance between the edge and the second stable position to ensure that the lid is maintained in contact with the edge of the container wall.
  • the angle ( ⁇ ) between the first and second stable position of the flange is within the range of 60° to 135°.
  • a bistable flange with this characteristic provides the desired assisted closing of the container and a reliable securing of the lid to the container.
  • the container opening and the lid are substantialy circular. It has turned out that the claimed arrangement is particullarly advantagous for use in combination with a circular opening since the the flange could have a continous shape and extend around the entire opening which result in both the desired assisted closing of the container and a strong securing of the lid around the entired peripery of the opening.
  • At least the flange of the container or lid is made of an elastic plastic material able to withstand repeated deformations without breaking and provide a container that could be closed and opened the desired number of times.
  • the container opening and the lid are substantialy circular.
  • An embodiment with circular opening and lid ensures a strong and reliable closing and sealing between the container and lid since the force provided by the bistable flange will be substantially constant around the entire opening / lid.
  • at least the flange is made of an elastic plastic material able to withstand repeated deformations without breaking in order to ensure that the arrangement is usable for a number of operation cycles.
  • the lid has a substantially flat circular central section formed by a folie with a thickness between 50 and 500 ⁇ m. This emodiments is favourable since the folie due to its limited thickness will be in contact with the edge surrounding the opening and provide a very sattisfying sealing between the lid and the container.
  • the flange is arranged on the container and the shoulder on the collar of the lid. This embodiment provides a container and lid that could be produced in an efficient and economically beneficial way.
  • the flange comprises a flange base secured to, or formed together with the container wall or collar, and a flange protrusion extending from said flange base.
  • This embodiment of the flange both provides the reliable closing as well as a flange that is producable in an efficient way.
  • the flange protrusion has a substantially constant thickness and a rounded outer end. This embodiment of the flange both provides the reliable closing as well as a flange that is producable in an efficient way
  • the thickness of the flange base is smaller than the tickness of the flange protrusion. This embodiment is favourable since the flipping from one stable position to the other is facilitated.
  • FIG 1a to 1c selected parts of a container 10, 20, 30 are illustrated.
  • the container could have any possible shape and size depending on the intended use of the container.
  • the container 10, 20, 30 comprises a container wall 11, 21, 31 with a substantially constant thickness.
  • the containers are substantially cup-shaped with a substantially circular horizontal cross section.
  • the diameters of the containers are increasing slightly towards the top of the container, and for example made of a suitable plastic material.
  • an opening 12, 22, 32 is formed in the top part of the containers.
  • the openings are substantially circular and arranged in a plane A.
  • the plane A is in the illustrated embodiments arranged substantially horizontal and perpendicular to a vertical axis V of the containers extending through the centre of the container. A number of other positions of the openings are however also possible if the container is adapted for different contents.
  • a flange 13, 23, 33 is extending outwards from the container.
  • the flange is preferably continuous and extending around the entire opening 12, 22, 32.
  • the flange comprises a flange base 14, 24, 34 and a flange protrusion 15, 25, 35 extending from the flange base 14, 24, 34.
  • the flange base 14, 24, 34 is permanently secured to the container wall, alternatively integrally formed together with the container wall at the same time as the container is manufactured as in the illustrated embodiments.
  • the flange protrusions 15, 25, 35 have a substantially constant thickness along the flange and are ended by a rounded flange edge 16, 26, 36.
  • the flanges 13, 23, 33 of the illustrated containers have bistable characteristics, i.e. they are movable between two different stable positions, a first P1 and a second P2 stable position without breaking.
  • the two stable positions are arranged symmetrically on the different sides of a plane F extending through the centre of the flange base, and the flange is flipped from one stable position to the other when a force is applied on the flange in the direction towards the stable position where the flange not is located.
  • the first stable position P1 is located above plane F
  • the second stable position p2 located below plane F.
  • the bistable characteristic of the flange is achieved by the design of the flange in combination with an elastic material that makes it possible for the flange to withstand repeated deformations that occur when the flange is flipped from one stable position to the other without breaking.
  • the flange is either arranged extending from the edge 17 of the container wall surrounding the opening 12 as illustrated in figure 1a , or extending from the outer side of the container wall 21, 31 and away from the container as in figure 1 b and c .
  • the flange protrusion is in all of the illustrated embodiments extending along a substantially straight line from the flange base away from the container wall.
  • the flange protrusion is ended by a rounded or slightly curved flange end 16, 26, 36.
  • the flange end is moved a distance d along the vertical direction of the container. The length of the distance d depends on the length of the flange protrusion and the angel a between the two stable positions of the flange.
  • the flange base has a smaller thickness than the flange protrusion. This embodiment is favourable since the flipping of the flange from one stable position to the other is facilitated, and a substantially straight flange protrusion without deformations is ensured since the flange base will have an increased elasticity.
  • the container is closed by a lid 40, 50.
  • the lids 40, 50 are substantially circular with a diameter corresponding to the size of the opening in the container.
  • the lids 40, 50 comprise a substantially flat central section 41, 51 and a collar 42, 52 extending substantially perpendicularly from the flat central section 41, 51 towards the container.
  • the collar 42, 52 has an inner diameter corresponding to the outer diameter of the flange 13, 23, 33 in order to enclose the container opening and the flange 13, 23, 33 that extend from the container wall. Furthermore the collar element has a length from the side of the central section that is facing the container that exceeds the vertical distance d that the flange is moved during the transition from one stable position to the other.
  • a shoulder 43, 53 protrude from the collar in order to create a contact surface 44, 54 against which the outer end 16, 26, 36 of the flange 13, 23, 33 can engage.
  • the shoulder has a curved contact surface that will be in contact with the outer end of the flange once the lid is secured to the container. The curvature of the contact surface is designed to correspond to the outer end of the flange of the container to ensure a reliably engagement between the flange and the shoulder.
  • the central section is shaped like a flat plate with a substantially constant thickness.
  • the side 45 of the lid that is facing the container will after the lid has been secured to the container be in contact with the edge surrounding the opening of the container and provide the desired sealing of the container opening.
  • the lid in figure 2b differs from the one in figure 2a in that the central section is formed by a thin film 55.
  • the film is, due to its small thickness, more flexible compared to the flat plate which is advantageous since the flexible film will adapt to the edge of the container and provide a reliably sealing between the container edge and the lid.
  • the central section of the lid could of course also be curved or provided with one or more grooves or protrusions as long as a flat surface or a groove with a shape corresponding to the edge of the container is provided to be in contact with the edge surrounding the opening of the container.
  • FIG 3 one embodiment of the arrangement is illustrated.
  • the lid 40 is secured to the container 10 to close the container opening 12.
  • the flange 13 is arranged in the first stable position P1, i.e. the flange extending upwards from the container wall 11.
  • the lid is arranged over the container opening and the flange end 16 of the container arranged above the shoulder 43 on the collar 42.
  • the lid 40 is moved together with the flange 13 towards the second stable position P2 of the flange 13.
  • the movement of the lid towards the container brings the surface 45 of the central section 41 of the lid in contact with the outer end 17 of the container wall and seals the compartment within the container.
  • the distance S must be larger than the distance between the edge 17 of the container and the plane F in order to make it possible for the flange to flip from the first stable shape to the second stable shape.
  • the distance could not exceed the distance E between the edge 17 of the container and the second stable position P2, i.e. the distance between the plane A and the second stable position P2, to ensure that the surface 45 of the central section 41 is maintained in contact with the edge 17 of the container wall 11.
  • the distance S is smaller than the distance between the edge 17 of the container wall 11 and the second stable position P2 of the flange since the smaller distance S will prevent the flange to reach the second stable position and, due to the characteristic of the bistable flange, apply a force on the shoulder of the lid that is continuously pressing the surface 45 of the central section 41 towards the edge 17 of the container 10.
  • the sealing indicator devices consist of a breakable plastic device that extends between the flange and the container wall or collar.
  • the plastic devices are manufactured together with the container, or lid, and secure the flange in the second stable position of the bistable flange.
  • the sealing indicator devices secure the flange until the sealing indicator is damaged when the container is opened for the first time.
  • Embodiments of the arrangement comprising sealing indicator devices are very advantageous if the container is used for dairy product, provisions or other types of foodstuff since the container is filled and sealed by the lid without using the bistable flange at the prduction plant before they are delivered to the intended user or store.
  • the sealing indicator devices if not damaged, provide a visible verification that the lid has not been removed from the container at an erlier occasion which could be devastaing for quality of the product within the container.
  • an additional sealing between the container edge an the the surface of the lid could be provied.
  • the additional sealing is arranged around the entire opening of the container between the edge of the container and the surface of the lid in contact with the edge and proviedes a breakable sealing that prevents dirt or bacterias from entering the container before the container reaches the intended user. Once the user detaches the lid from the container, the additional sealing is destroyed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP12193577.9A 2012-11-21 2012-11-21 Anordnung für die Sicherung/Freigabe eines Deckels an/von einem Behälter Active EP2735523B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK12193577.9T DK2735523T3 (en) 2012-11-21 2012-11-21 Arrangement for attaching / releasing a lid to / from a container
EP12193577.9A EP2735523B1 (de) 2012-11-21 2012-11-21 Anordnung für die Sicherung/Freigabe eines Deckels an/von einem Behälter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12193577.9A EP2735523B1 (de) 2012-11-21 2012-11-21 Anordnung für die Sicherung/Freigabe eines Deckels an/von einem Behälter

Publications (2)

Publication Number Publication Date
EP2735523A1 true EP2735523A1 (de) 2014-05-28
EP2735523B1 EP2735523B1 (de) 2018-05-02

Family

ID=47278166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12193577.9A Active EP2735523B1 (de) 2012-11-21 2012-11-21 Anordnung für die Sicherung/Freigabe eines Deckels an/von einem Behälter

Country Status (2)

Country Link
EP (1) EP2735523B1 (de)
DK (1) DK2735523T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101954382B1 (ko) * 2017-11-10 2019-03-05 한길산업주식회사 뚜껑 이탈방지 기능을 갖는 컵
WO2019093629A1 (ko) * 2017-11-10 2019-05-16 한길산업주식회사 뚜껑 이탈방지 기능을 갖는 컵

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424342A (en) * 1967-08-14 1969-01-28 Monsanto Co Container
FR2175132A1 (de) * 1972-03-07 1973-10-19 Superfos Emballage As
US5452818A (en) * 1994-04-25 1995-09-26 Yost; Kenneth J. Reusable beverage can closure
WO2005095220A1 (en) * 2004-03-31 2005-10-13 Imperial Chemical Industries Plc Container and closure arrangement
EP2194002A1 (de) 2008-12-08 2010-06-09 Arta Plast Ab Behälter
US20110315650A1 (en) * 2010-06-28 2011-12-29 Mead Johnson Nutrition Company Container Seal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424342A (en) * 1967-08-14 1969-01-28 Monsanto Co Container
FR2175132A1 (de) * 1972-03-07 1973-10-19 Superfos Emballage As
US5452818A (en) * 1994-04-25 1995-09-26 Yost; Kenneth J. Reusable beverage can closure
WO2005095220A1 (en) * 2004-03-31 2005-10-13 Imperial Chemical Industries Plc Container and closure arrangement
EP2194002A1 (de) 2008-12-08 2010-06-09 Arta Plast Ab Behälter
US20110315650A1 (en) * 2010-06-28 2011-12-29 Mead Johnson Nutrition Company Container Seal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101954382B1 (ko) * 2017-11-10 2019-03-05 한길산업주식회사 뚜껑 이탈방지 기능을 갖는 컵
WO2019093629A1 (ko) * 2017-11-10 2019-05-16 한길산업주식회사 뚜껑 이탈방지 기능을 갖는 컵

Also Published As

Publication number Publication date
DK2735523T3 (en) 2018-08-06
EP2735523B1 (de) 2018-05-02

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