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EP3081505B1 - Fermeture inviolable et ensemble constitué d'une fermeture inviolable et d'un récipient - Google Patents

Fermeture inviolable et ensemble constitué d'une fermeture inviolable et d'un récipient Download PDF

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Publication number
EP3081505B1
EP3081505B1 EP15305573.6A EP15305573A EP3081505B1 EP 3081505 B1 EP3081505 B1 EP 3081505B1 EP 15305573 A EP15305573 A EP 15305573A EP 3081505 B1 EP3081505 B1 EP 3081505B1
Authority
EP
European Patent Office
Prior art keywords
tamper
wall
evident closure
container
sidewall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15305573.6A
Other languages
German (de)
English (en)
Other versions
EP3081505A1 (fr
Inventor
Dominique Bois
Valère Logel
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.)
Airnov Inc
Original Assignee
Airnov Inc
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 Airnov Inc filed Critical Airnov Inc
Priority to EP15305573.6A priority Critical patent/EP3081505B1/fr
Priority to CN201680027000.8A priority patent/CN107646016A/zh
Priority to PCT/EP2016/058093 priority patent/WO2016166145A1/fr
Priority to US15/566,883 priority patent/US20180118423A1/en
Publication of EP3081505A1 publication Critical patent/EP3081505A1/fr
Application granted granted Critical
Publication of EP3081505B1 publication Critical patent/EP3081505B1/fr
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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage
    • B65D47/0809—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage and elastically biased towards both the open and the closed positions
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/30—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials for desiccators
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal

Definitions

  • the invention relates to a tamper-evident closure for the attachment to a container body, and a tamper-evident closure and container assembly for receiving loosely stored products, such as drugs, pills, tablets, test strips, granulate and even powder.
  • loosely stored products such as drugs, pills, tablets, test strips, granulate and even powder.
  • Such containers should be moisture tight.
  • Closure caps for containers are known and common to the skilled person.
  • flip-top closures are used for the attachment to sidewalls of a container which define an opening of the container.
  • Closures for containers are typically manufactured or moulded separately from the container body.
  • the closures are then connected to the container body after the products to be stored, in particular pills, tablets or test strips have been introduced into the container body.
  • the container body is typically a cylindrical tube having an opening at one end face and being closed at the opposite end face. After the loosely stored products have been introduced into the respective container body, the closure cap is attached to the container body.
  • Previously known closure caps may comprise a ring part which snaps over a bead around the opening of the container body and which connects the closure firmly to the container body by a positive lock.
  • the closure usually comprises a cap portion hinged to a ring part of the closure.
  • hinges there are two basic types of hinges used.
  • a first basic possibility is the use of two-part hinges with two separate parts on the closure element and ring part, which can be snapped into each other and allow a relative rotation in order to open and close the cap element.
  • An example of such hinge is given in US 2007/084735 .
  • Such hinges are disadvantageous in that they cannot be manufactured in one piece. Further, the axis of rotation usually radially exceeds the size of the cover part and the ring part.
  • a second basic concept uses a film hinge, for example as used in US 2008/0251573 A1 .
  • Film hinges have a localized decrease in the thickness that function as a bending point for opening and closing of the container. Due to a largely reduced wall thickness of the film hinge connecting a cap portion to the ring part for attachment to the container body, the position of the pivot axis is well defined. However, film hinges are sometimes prone to breaking along the pivot line because the film part of the hinge easily breaks when the closure and container assembly inadvertently drops on a hard surface, or even in regular use after a high number of opening and closure movements.
  • US 2007/0272646 A1 discloses a relatively rigid hinge which is formed from two film hinges spaced from each other, making the connection between the cap element and the attachment ring rigid. Also in this type of hinge, the axis of rotation is well defined. Further, the hinge radially exceeds the size of the cover part and the ring part.
  • Another type of film hinge does not radially project beyond the size of the cover part and the ring part, but forms a depression on the outer surface of the ring part with a concave shape, for example as used in US 2011/062176 . At the position where the wall thickness is smallest, there is the pivot axis of the hinge.
  • US 2005/115968 A1 discloses a hinged guarantee closure produced by being injection moulded in the closed state, i.e., with an associated ring member for connection to the container on which the disclosure is to be used.
  • the ring member is separated from the reset of the closure by an axial gap which is spanned by a hinge portion and a guarantee connection.
  • the closure comprises a cap with an integral closing member for cooperation with an opening in the container.
  • US 5,605,240 A discloses a cap moulded in one piece, comprising a ring having on the inside a bead for attaching it to the neck of the container to be capped, a stopper joined by a hinge to said ring and having a sealing skirt, and a tamperproof strip joining the stopper to the ring until the first time the cap is opened.
  • the stopper To cap a container having a neck with a single attachment flange, the stopper includes an annular bearing surface bearing on the supper edge of the neck and surrounding said skirt, said skirt projecting from said bearing surface over a length at least equal to the distance between the lower side of the flange and the upper edge of the neck, and the hinge is offset relative to said annular bearing surface towards the ring by an amount at least equal to said distance.
  • a tamper-evident closure for the attachment to a container body comprises a cap portion comprising a top wall, a peripheral wall extending from the top wall, an attachment portion preferably aligned with the peripheral wall, a tamper proof means arranged and integrally formed between the cap portion and the attachment portion, and a hinge portion comprising at least one wall section which is integrally formed with the peripheral wall and the attachment portion and connects the cap portion and the attachment portion.
  • the at least one wall section of the hinge portion is formed between at least two cut outs, wherein each cut-out starts from a gap between the peripheral wall and the attachment portion and extends into the wall of the peripheral wall or the attachment portion, each wall section of the hinge portion does not extend beyond an envelope defined by an outer surface of the peripheral wall and an outer surface of the attachment portion, and each wall section of the hinge portion has a substantially constant wall thickness and in a horizontal plane section follows the outer curvature of the peripheral wall of the cap portion. Further, the wall thickness of the hinge portion is essentially the same as the wall thickness of the peripheral wall.
  • top, bottom, vertical, horizontal and others relate to a tamper-evident closure and container assembly with closed cap standing upright on its bottom element on a horizontal surface.
  • the separate tamper-evident closure for the attachment to such a container body is also described in such a position.
  • the inventive type of closure introduces a completely new concept. Since the at least one wall section of the hinge portion has a substantially constant wall thickness, there is no defined vertical position of the rotational axis provided by the hinge portion. Accordingly, the closure according to the invention has no film hinge. Nevertheless, it is made in one piece in closed position. This is important in order to form a tamper-evident means.
  • the hinge according to the present invention has the further advantage that it does not radially exceed the size of the cap portion and cover portion, nor is there a concave depression on the outer side in order to define the position of the rotational axis.
  • the inventive closure has a superior aesthetical appearance.
  • closure such that no part of the closure extends beyond the outer dimensions of the container body. This makes it possible to densely pack a high number of closure and container assemblies together without the need to take care of any protruding parts between adjacent containers.
  • the inventive tamper-evident closure and container assembly for receiving loosely stored products comprises a container comprising a bottom element and at least one sidewall integrally formed with the bottom element at a lower end of the at least one sidewall and extending perpendicularly from the bottom element and forming an opening opposed to the bottom element.
  • the at least one sidewall has an upper end to which a tamper-evident closure according to the invention is attached, for example by means of a rib formed on the sidewall of the container that interact with a corresponding part of the attachment portion of the closure.
  • a basic advantage of the inventive closure is that there is no longer a defined position of the axis of rotation. It is the at least one wall section of the hinge portion as such which deforms in order to allow the opening movement of the cap portion relative to the attachment portion. This reduces the high stresses suffered by the film hinges in the prior art and reduces the risk of an inadvertent breaking of the hinge leading to a higher endurance.
  • the strain does not concentrate in a small zone. This increases the endurance of the closure and the elasticity of the hinge is maintained over an extended period of time as compared to a film hinge made of the same material.
  • inventive closure is easier to manufacture using an injection moulding process.
  • it has to be moulded in the closed position.
  • a film hinge with a small cross-sectional area impedes the flow of molten plastic material.
  • a higher pressure has to be applied which, because of increased shear forces, also causes a temperature increase.
  • the inventive closure with a substantially constant wall thickness of the hinge portion between the attachment portion and the peripheral wall of the cap portion allows for an improved flow of material and reduces the moulding cycle time.
  • Another advantage of the inventive closure resides in the fact that the hinge allows to increase the distance between the moveable cap portion and the attachment portion, when the cap portion is opened. In such a way, an opening angle of more than 180°, even up to 270°, can be realized which improves the access to the products inside the container.
  • opening and closing motions are not a rotational motion.
  • Such complex opening and closing movements is advantageous when engaging or disengaging the sealing skirt with the sidewall of a container.
  • the cap portion comprises a sealing abutment for sealing with the inner surface of a sidewall of the container body;
  • the attachment portion comprises a snap portion for snapping to a corresponding portion on the outer surface of the sidewall of the container; and a maximum distance between the snap portion and the sealing abutment is less than a minimum distance between the snap portion and an end of the at least two cut outs closest to the top wall, where each distance is taken in a downward direction from the top wall.
  • the cap portion comprises a sealing abutment for sealing with the inner surface of a sidewall of the container body, the sealing abutment being further away from the top wall of the cap portion than a bottom end of the at least two cut outs.
  • the attachment portion is shaped to be attached to a tubular wall of a container body. This is the most frequently used geometry of the container bodies and the description of preferred embodiments will also focus on a tubular wall of a container body.
  • the tamper-evident closure according to the invention can also have a different shape and might be attached to e.g. a container body with a rectangular or ovoidal cross section.
  • the at least two cut outs include an essentially U-shaped cut out delimiting a blocking portion extending downwards from the cap portion, said blocking portion being dimensioned to hold the cap portion in an opened position by interacting with at least one sidewall of the container body.
  • the function of such blocking portion will be explained in more detail by reference to a specific embodiment of the invention.
  • the provision and suitable dimensioning of such blocking portion makes it possible to interact with the at least one sidewall of a corresponding container, once the closure has been attached to the container.
  • the blocking portion acts like a deflectable tongue which is slightly deflected and slides over the top of the sidewall of the container. In another embodiment, it slides over a supplemental bead provided on the upper part of the sidewall of the container.
  • the blocking portion snaps back into its relaxed position and forms a positive lock at the outer surface of the wall of the container. This keeps the cap portion in its open position until a user closes the cap which again deflects the blocking portion in a radially outward direction followed by its movement over the top edge or the bead of the at least one sidewall of the container.
  • the tamper-evident means comprises a plurality of frangible bridges between the peripheral wall of the cap portion and the attachment portion.
  • frangible bridges between the peripheral wall of the cap portion and the attachment portion.
  • Such structure is easy to manufacture in one piece and also contributes to an aesthetically pleasing appearance of the closure because the peripheral wall of the cap portion and the attachment portion as well as the at least one wall section of the hinge portion can be provided such that their outer surfaces form one vertical straight surface which is only interrupted by the at least two cut outs of the hinge portion and the slots between the frangible bridges of the tamper-evident means.
  • the provision of the frangible bridges at the side of the closure is easy to see so that a user will notice in case the closure has been opened before its intended first use.
  • the tamper-evident means can comprise a tearable band between the cap portion and the attachment portion, preferably between the peripheral wall and the attachment portion.
  • the closure can be provided with an aesthetically pleasing outer appearance and, at the same time, the tamper-evident means gives a clear indication to the user once the closure has been opened for the first time.
  • the hinge portion consists of a single wall section which is formed between two cut outs, which are preferably vertical. In such a case, a single wall section forms the hinge element.
  • the hinge portion consists of two separate wall sections formed between vertical cut outs, respectively.
  • the provision of two separate wall sections can be advantageous in that the movement of the cap portion relative to the attachment portion is more defined because the two wall sections acting as a hinge are at a distance to each other.
  • a cut out between the two separate wall sections consists of an opening in the hinge portion, the width of the opening in a horizontal direction being preferably at least twice the width of the two individual separate wall sections.
  • the cut outs can be provided in the peripheral wall of the cap portion and/or in the attachment portion.
  • the cut outs are formed in the peripheral wall of the cap portion because the holding of the attachment portion on a container is not impeded.
  • the cover comprises a means for generating or maintaining a controlled atmosphere, preferably an adsorbent means.
  • the adsorbent means can be a desiccant means, especially a desiccant chamber filled with a suitable desiccant material, like zeolites.
  • the adsorbent means can be provided with scavengers which reduce the oxygen contents inside the closed container.
  • the end sections of the cut outs are rounded. This avoids the formation at cracks at the position of sharp edges.
  • the closure is integrally molded from plastic material, preferably polyolefin based polymers.
  • the cap portion comprises a sealing skirt being suitable to provide air-tightness when the cap portion is in a closed position.
  • a sealing skirt of the cap portion is shaped and arranged so that, in a closed position of the cap portion on a corresponding container, it comes into sealing abutment with the at least one sidewall of the container close to its opening and prevents the ingress of air and especially moisture.
  • the tamper-evident closure and container assembly is for receiving products like effervescent tablets, moisture sensitive drug products or diagnostic test strips, the provision of air-tightness is of high importance.
  • the peripheral wall can be arranged outside of the sealing skirt forming a gap of predetermined width between the sealing skirt and the outer wall. In such a way, a tight pressing contact between the at least one sidewall of the container and the sealing skirt is provided. Since the upper end of the at least on sidewall of the container enters the gap between the sealing skirt and the outer wall, it is fixed in this position in which the sealing skirt provides a sealing abutment to the inner surface of the at least one sidewall of the container.
  • the container has one tubular sidewall.
  • the distance between the two cut outs is preferably about 8% to 53% of the diameter of the cap portion.
  • the angle between the two cuts is between 10° and 60°.
  • the width of the hinge/the distance between the two cuts (not necessarily vertical) is sufficient to provide a spring effect to the hinge due to the curvature of the hinge portion.
  • the tamper-evident closure 1 as shown therein is a flip-top closure for attachment to a tube of a container.
  • the tamper-evident flip-top closure 1 can be moulded in one piece from plastic material and generally comprises a cover part 3 which, as will be explained in more detail later, can provide for an air-tight sealing engagement with the tubular sidewall around the opening of a container.
  • the cover part 3 has a top wall 2 and a peripheral wall 7 extending downwardly from the top wall 2 which is essentially horizontally arranged.
  • the peripheral wall 7 extends perpendicularly downwardly from the top wall and, therefore, extends in a vertical direction.
  • references to geometrical positions have to be understood in the context of a closure and container assembly with closed cover part 3 and with the container standing with its bottom on a horizontal surface.
  • the top wall 2 is additionally provided with a tab which allows a user to grip the tab 8 in order to lift it up to open the cover part 3.
  • the tab 8 does not extend beyond the periphery of the top wall of the cover part 3 (and beyond an envelope defined by an outer surface of the attachment portion 4).
  • This tab 8 is provided by a brim above a recess formed by an interruption of the vertical peripheral wall 7 on the front of the cover part (see Fig. 12 ).
  • tab 8 is shown throughout the embodiments, it is not a limiting feature and the closure could be provided without a tab.
  • a tab could be provided which is displaceable into a position in which it protrudes beyond the periphery of the top wall so that it can be gripped. Such a displaceable tab further provides child resistance properties to the closure. Further, the tab could be provided at the peripheral wall 7.
  • the closure 1 is further provided with an attachment portion 4 for the attachment to a container.
  • the attachment portion once attached to the container, maintains its position relative to the container, whereas the cap portion 3 can be moved relative to the attachment portion when opening the cover part 3.
  • the attachment portion comprises a ring part 4.
  • the outer surface of the ring part 4 is aligned with the outer surface of the peripheral wall 7 of the cover part 3.
  • the attachment portion also comprises a snap portion 41 on the inner surface of the ring part formed by a recess fitting to a corresponding rib 26 on the outer surface of the sidewall of the container.
  • the closure is provided with a means for generating or maintaining a controlled atmosphere.
  • Such means 5 can be an adsorption means.
  • the adsorption means is a desiccant chamber formed by a cylindrical wall 54, in which a desiccant is provided, and closed by a permeable cardboard 56.
  • the breathable cardboard 56 is conventionally attached to the wall of the desiccant chamber, here by means of heat for crimping the lower end of the wall of the desiccant chamber.
  • frangible bridges 6 serving as a tamper proof means placed between the cover part 3 and the ring part 4. Upon first opening of the cover part 3, the frangible bridges 6 break as an indication that the closure has been opened. Between the frangible bridges, a gap 9 is formed which extends around most of the radial extension of the closure.
  • the hinge portion 10 is formed by a wall section 11 which is integrally formed with the peripheral wall 7 and the ring part 4.
  • the wall section 11 of the hinge portion 10 is formed between two cut outs 12.
  • the distance between the two cut outs 12 is preferably 8% to 53% of the outer diameter of the peripheral wall 7.
  • the cut outs run essentially in a vertical direction and are essentially parallel to each other.
  • the cut outs 12 start at the gap 9 and extend in an upwards direction towards the top wall 2 of the closure. Accordingly, the cut outs extend over a part of the height of the peripheral wall 7.
  • the wall section 11 of the hinge portion 10 has the same wall thickness as the peripheral wall 7 and the ring part 4.
  • the wall section 11 of the hinge portion 10 does not extend beyond an envelope defined by an outer surface of the peripheral wall 7 and an outer surface of the ring part 4 of the attachment portion. Further, the wall thickness of the wall section 11 in a vertical section plane is constant. Accordingly, there is no pre-defined axis of rotation of the hinge portion 10.
  • the constant wall thickness of the wall section 11 can also be seen in the cross-sectional view of Fig. 3 .
  • Fig. 2 it can be seen that the wall section 11 is flush with the outer surface of the peripheral wall 7 and the ring part 4.
  • Fig. 3 is a cross-sectional view of the closure according to Fig. 1 , it can be seen that the wall section 11 of the hinge portion does not extend beyond an envelope defined by an outer surface of the peripheral wall 7 and an outer surface of the attachment portion 4. Further, it can be seen that there is no defined weakening of the wall section 11 forming a hinge portion. Instead, the whole wall section 11 serves as the hinge without a defined axis of rotation. Further it can be seen in Fig. 8 , that there is a chamber 52 inside the adsorption means 5 for receiving an adsorbent material.
  • Fig. 4 is identical to that as described with reference to Figs. 1 to 4 except for the shape of the cut outs 12 which generate a wall section 11 of varying length in a circumferential direction of the closure. At the position with the smallest length, there is the preferred position of the wall section 11 which will bend most when the cap portion will be opened.
  • FIG. 5 to 9 a further embodiment of the invention is shown.
  • the embodiment is identical to that as shown in Figs. 1 to 3 except for the geometry of the hinge portion 10. Accordingly, the description of the other elements is omitted and reference can be made to the description of the embodiment as shown in Figs. 1 to 3 .
  • the hinge portion comprises two wall sections 11a and 11b. Further, there is an opening 13 in the hinge portion acting as a common cut out between the wall sections 11a, 11b.
  • the cut outs 12 are similar to those as shown in the first embodiment according to Figs. 1 to 3 .
  • the first wall section 11a is formed between the first cut out 12 starting from gap 9 and the opening 13 in the hinge portion 10.
  • the wall section 11b of the hinge portion is formed between the second cut out 12 also starting from the gap 9 and the opening 13 in the hinge portion.
  • the width of the opening 13 in a horizontal direction is at least twice the width of the two individual separate wall sections 11a, 11b.
  • the provision of two separate wall sections 11, 11b of the hinge portion which are at a distance to each other being at least twice the individual width of each wall section provides for a well-defined opening movement of the cover part when opening the closure 1.
  • the two wall sections 11a, 11b have a constant wall thickness when considered in a vertical section plane.
  • the wall thickness corresponds to the wall thickness of the peripheral wall 7 as well as the ring part 4.
  • the outer surface of the wall sections 11a, 11b, the peripheral wall 7 in the region of the hinge and the ring part in the region of the hinge are flush with each other such that an envelope defined by an outer surface of the peripheral wall, the ring part and the wall sections is a curved plane with a curvature only in a horizontal direction, whereas the vertical direction of the envelope is straight.
  • Fig. 9 which is a cross-sectional view according to A-A in Fig. 7 , it can be derived that the wall sections 11a, 11b are arranged so as to form an angle ⁇ between their remotest positions.
  • the angle ⁇ preferably ranges from 10° to 60°.
  • Figs. 10 to 13 show a further embodiment of the invention. Again, it distinguishes from the above-described embodiments only with respect to the geometry of the hinge section such that the description of the other parts can be omitted and reference can be made to the detailed description of the embodiment of Figs. 1 to 3 .
  • the embodiment according to Fig. 10 is similar to that as shown in Fig. 5 in that the hinge portion comprises two wall sections 11a and 11b. However, there is a difference in that the cut outs 12 starting from the gap 9 between the peripheral wall 7 and the ring part 4 do not extend vertically upwards from the gap 9 into the wall of the peripheral wall 7, but extend in a downwards direction starting from gap 9. In other words, the cut outs 12 extend into the wall of the ring part 4.
  • a U-shaped cut out 14 is provided.
  • the U-shaped cut out 14 is formed such that the basis 15 of the "U” is horizontally arranged essentially at the lower end of the cut outs 12, whereas the two side pieces 16 of the "U” extend vertically upwards from the basis 15 of the "U” and vertically upwards therefrom.
  • the first wall section 11a is formed between cut out 12 and the adjacent side pieces 16 of the U-shaped cut out 14, whereas the second wall section 11b is formed between its adjacent cut out 12 and the adjacent, second side piece 16 of the U-shaped cut out 14.
  • the two wall sections 11a, 11b form hinges identical to that as explained in more detail with reference to Figs. 5 to 9 .
  • a blocking portion 18 which is integrally formed with the peripheral wall 7 and depends downwardly from the peripheral wall 7.
  • the blocking portion 18 is surrounded by the U-shaped cut out 14.
  • the blocking portion has the function to cooperate, once the closure 1 according to the embodiment of Figs. 8 and 9 has been attached to a container body, as a means for maintaining the cover part 3 of the closure in an open position.
  • a closure and container assembly is shown in Fig. 12 .
  • the container 20 has a sidewall 22 which is integrally formed with the bottom element 24.
  • the tubular sidewall 22 extends perpendicularly from the bottom element and forms an opening 26 opposed to the bottom element 24.
  • the tamper-evident closure is attached to the sidewall 22 close to the opening 26 and is held in place by a rib 28 on the sidewall 22 (best shown in Fig. 13 ).
  • the closure according to this embodiment of the invention is also provided with a receiving structure for a means 5 for generating or maintaining a controlled atmosphere. It can be a conventional stopper element which is provided with desiccant but also other types of active agent like oxygen scavengers are contemplated.
  • the cover part 3 is kept in the opened position.
  • the blocking portion 18 which extends downwards from the cover part 3 and is dimensioned and shaped such that it holds the cover part 3 in an opened position by interacting with the upper end of the sidewall 22 of the container body.
  • the blocking portion 18 is dimensioned such that it slightly bends in a radially inwards direction during the opening of the cover part 3. When bent in an inwards direction, the blocking portion 18 can slip over the upper end of the sidewall 22.
  • the blocking portion 18 When further pivoting the cover part 3, the blocking portion 18 snaps back into its relaxed position and form a form lock by extending over the outer surface of the sidewall of the container body. Since a certain bending force acting on the blocking portion 18 is required to close the cover part 3 again, the cover part 3 is kept in the opened position and does not fall back into the closed position even in case that a means 5 for generating or maintaining a controlled atmosphere is provided with a certain weight. Accordingly, the blocking portion 18 serves for further convenience to a user of the closure and container assembly.
  • Figs. 15 to 17 show another embodiment similar to that according to Figs. 10 and 11 .
  • the only difference lies in the provision of a tear band 67 as a tamper-evident means.
  • the tear band 67 is provided with an extension 68 to conveniently grip and remove the band when opening the container for the first time.
  • the inventive closure and closure and container assembly has the advantage that the closure can be made in one piece and comprises a hinge that is an alternative to the previously known hinges. It can be manufactured in one piece in closed position in order to include the tamper-evident means and is provided with a hinge without a considerable weakening of the material and without a pre-defined position of the rotational axis. In such a way, the hinge will not easily become worn-out and is less prone to breaking.
  • provisions can be made to provide an air-tight sealing of the cover part 3 on the container.
  • Such sealing can be effected either by means of a single sealing structure using a sealing skirt providing air-tightness of the container when the cover is in the closed position.
  • the sealing skirt 32 can be best seen in the cross-sectional views of Figs. 3 and 8 . It is provided with an outwardly protruding, convex projection 34 which serves to abut against the inner surface of the sidewall 22 when the closure 1 is correctly positioned on top of the sidewall of the container body.
  • Such structure provides a sealing contact surface consisting a small contact surface formed by the apex of the convex projection 34 in contact with the inner circumferential surface of the sidewall 22.
  • Such small contact surface has superior sealing properties because the deformation of the convex projection compensates surface irregularities.
  • Such sealing structure with one sealing element or two cooperating sealing elements can be provided in all embodiments as described above, but also together with a closure and container assembly of a different geometry, e.g. with a plurality of sidewalls and of a rectangular cross-sectional shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Claims (15)

  1. Fermeture inviolable pour la fixation à un corps de récipient, comprenant :
    - une partie capuchon (3) comprenant une paroi supérieure (2) et une paroi périphérique (7) s'étendant vers le bas à partir de la paroi supérieure (2) ; la partie capuchon (3) formant de préférence une fermeture rabattable (1) ;
    - une partie de fixation (4) de préférence alignée avec la paroi périphérique (7) ;
    - un moyen inviolable (6) agencé et formé d'un seul tenant entre la partie capuchon (3) et la partie de fixation (4) ; et
    - une partie charnière (10) comprenant au moins une section de paroi (11 ; 11a, 11b) qui est formée d'un seul tenant avec la paroi périphérique (7) et la partie de fixation (4) et connecte la partie capuchon (3) et la partie de fixation (4) ; dans laquelle
    - chaque section de paroi (11 ; 11a, 11b) de la partie charnière (10) est formée entre au moins deux découpes (12 ; 12, 13 ; 12, 14), dans laquelle chaque découpe (12 ; 12, 13 ; 12, 14) commence à partir d'un espace (9) entre la paroi périphérique (7) et la partie de fixation (4) et s'étend dans la paroi de la paroi périphérique (7) ou de la partie de fixation (4) ;
    - chaque section de paroi (11 ; 11a, 11b) de la partie charnière (10) ne s'étend pas au-delà d'une enveloppe définie par une surface externe de la paroi périphérique (7) et une surface externe de la partie de fixation (4) ; et
    - chaque section de paroi (11 ; 11a, 11b) de la partie charnière (10) dans une section de plan horizontal suit la courbure externe de la paroi périphérique (7) de la partie capuchon (3),
    caractérisée en ce que chaque section de paroi (11 ; 11a, 11b) de la partie charnière (10) présente une épaisseur de paroi sensiblement constante, et en ce que
    l'épaisseur de paroi sensiblement constante est essentiellement la même que l'épaisseur de paroi de la paroi périphérique (7).
  2. Fermeture inviolable selon la revendication 1, dans laquelle :
    - la partie capuchon (3) comprend une butée d'étanchéité (34) pour une étanchéité avec la surface interne d'une paroi latérale (22) du corps de récipient (20),
    - la partie de fixation (4) comprend une partie d'encliquetage (41) pour un encliquetage avec une partie (26) correspondante sur la surface externe de la paroi latérale du récipient ;
    - une distance maximale entre la partie d'encliquetage (41) et la butée d'étanchéité (34) est inférieure à une distance minimale entre la partie d'encliquetage (41) et une extrémité des au moins deux découpes (12 ; 12, 13 ; 12, 14) les plus proches de la paroi supérieures (2), où chaque distance est prise dans une direction descendante à partir de la paroi supérieure (2).
  3. Fermeture inviolable selon la revendication 1 ou 2, dans laquelle la partie capuchon (3) comprend une butée d'étanchéité (34) pour une étanchéité avec la surface interne d'une paroi latérale (22) du corps de récipient (20), dans laquelle la butée d'étanchéité (34) est plus éloignée de la paroi supérieure (2) de la partie capuchon (3) qu'une extrémité inférieure des au moins deux découpes (12 ; 12, 13 ; 12, 14).
  4. Fermeture inviolable selon l'une quelconque des revendications précédentes, dans laquelle la partie de fixation (4) est façonnée pour être fixée à une paroi tubulaire (22) du corps de récipient (20).
  5. Fermeture inviolable selon l'une quelconque des revendications précédentes, dans laquelle les au moins deux découpes incluent une découpe essentiellement en forme de U (14) délimitant une partie de blocage (18) s'étendant vers le bas à partir de la partie capuchon (3), ladite partie de blocage (18) étant dimensionnée pour maintenir la partie capuchon (3) dans une position ouverte par interaction avec la au moins une paroi latérale (22) du corps de récipient (20).
  6. Fermeture inviolable selon l'une quelconque des revendications précédentes, dans laquelle le moyen d'inviolabilité (6) comprend une pluralité de ponts frangibles entre la paroi périphérique (7) de la partie capuchon (3) et la partie de fixation.
  7. Fermeture inviolable selon l'une quelconque des revendications 1 à 5, dans laquelle le moyen d'inviolabilité (6) comprend une bande déchirable (67) entre la partie capuchon (3) et la partie de fixation (4), de préférence entre la paroi périphérique (7) et la partie de fixation (4).
  8. Fermeture inviolable selon l'une quelconque des revendications précédentes, dans laquelle la partie charnière (10) est constituée d'une section de paroi (11) unique qui est formée entre deux découpes verticales (12).
  9. Fermeture inviolable selon l'une quelconque des revendications 1 à 7, dans laquelle la partie charnière est constituée de deux sections de paroi (11a, 11b) séparées formées entre des découpes verticales (12, 13 ; 12, 14).
  10. Fermeture inviolable selon la revendication 9, dans laquelle une découpe (13) entre les deux sections de paroi (11a, 11b) séparées est constituée d'une ouverture (13) dans la partie charnière (10), la largeur de l'ouverture (13) dans une direction horizontale présentant de préférence au moins deux fois la largeur des deux sections de paroi (11a, 11b) séparées individuelles.
  11. Fermeture inviolable selon l'une quelconque des revendications précédentes, dans laquelle le couvercle comprend un moyen (5) pour générer ou maintenir une atmosphère contrôlée, de préférence un moyen adsorbant (5).
  12. Fermeture inviolable selon l'une quelconque des revendications précédentes et étant moulée d'un seul tenant à partir d'un matériau plastique, de préférence des polymères à base de polyoléfine.
  13. Fermeture inviolable selon l'une quelconque des revendications précédentes, dans laquelle la partie capuchon (3) comprend une jupe d'étanchéité (32) étant appropriée pour fournir une étanchéité à l'air lorsque la partie capuchon (3) est dans une position fermée.
  14. Ensemble constitué d'une fermeture inviolable et d'un récipient pour recevoir des produits stockés en vrac, comprenant :
    - un récipient (20) comprenant
    - un élément inférieur (24) ; et
    - au moins une paroi latérale (22) formée d'un seul tenant avec l'élément inférieur (24) au niveau d'une extrémité inférieure de la au moins une paroi latérale (22) et s'étendant perpendiculairement à partir de l'élément inférieur (24), et formant une ouverture (26) opposée à l'élément inférieur (24) ;
    - la au moins une paroi latérale (22) présentant une extrémité supérieure à laquelle une fermeture inviolable (1) selon l'une quelconque des revendications précédentes est fixée et ferme l'ouverture (26) du récipient (20) de manière étanche à l'air.
  15. Ensemble constitué d'une fermeture inviolable et d'un récipient selon la revendication 14, avec une fermeture selon la revendication 13, dans lequel la jupe d'étanchéité (32) coopère avec une surface interne de la paroi latérale (22) du récipient (20).
EP15305573.6A 2015-04-16 2015-04-16 Fermeture inviolable et ensemble constitué d'une fermeture inviolable et d'un récipient Active EP3081505B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15305573.6A EP3081505B1 (fr) 2015-04-16 2015-04-16 Fermeture inviolable et ensemble constitué d'une fermeture inviolable et d'un récipient
CN201680027000.8A CN107646016A (zh) 2015-04-16 2016-04-13 防拆封式关闭件以及防拆封式关闭件‑容器组件
PCT/EP2016/058093 WO2016166145A1 (fr) 2015-04-16 2016-04-13 Fermeture inviolable et fermeture inviolable et ensemble récipient
US15/566,883 US20180118423A1 (en) 2015-04-16 2016-04-13 Tamper-evident closure and tamper-evident closure and container assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15305573.6A EP3081505B1 (fr) 2015-04-16 2015-04-16 Fermeture inviolable et ensemble constitué d'une fermeture inviolable et d'un récipient

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EP3081505B1 true EP3081505B1 (fr) 2022-11-23

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US (1) US20180118423A1 (fr)
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Also Published As

Publication number Publication date
WO2016166145A1 (fr) 2016-10-20
US20180118423A1 (en) 2018-05-03
CN107646016A (zh) 2018-01-30
EP3081505A1 (fr) 2016-10-19

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