US20190084729A1 - Heat-shrink secondary-closure capsule and use of the skirt of a secondary-closure capsule to produce a drip stop spout - Google Patents

Heat-shrink secondary-closure capsule and use of the skirt of a secondary-closure capsule to produce a drip stop spout Download PDF

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Publication number
US20190084729A1
US20190084729A1 US16/081,702 US201716081702A US2019084729A1 US 20190084729 A1 US20190084729 A1 US 20190084729A1 US 201716081702 A US201716081702 A US 201716081702A US 2019084729 A1 US2019084729 A1 US 2019084729A1
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Prior art keywords
resistance
line
tear
skirt
strip
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Abandoned
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US16/081,702
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English (en)
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Bertrand ZUFFEREY
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    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/62—Secondary protective cap-like outer covers for closure members
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/06—Integral drip catchers or drip-preventing means
    • B65D23/065—Loose or loosely-attached drip catchers or drip preventing means
    • 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
    • B65D47/40—Closures with filling and discharging, or with discharging, devices with drip catchers or drip-preventing means

Definitions

  • the present invention generally relates to a secondary-closure capsule having a head and a skirt formed of a heat-shrink piece of foil. It also relates to a bottle or similar container having a closed neck and capped with such a secondary-closure capsule.
  • the present invention also relates to an anti-drip spout, which is disposable after use and which is intended to be inserted into the neck of a bottle-type container or the like. Finally, the present invention relates more particularly to the use of the skirt of a secondary-closure capsule of the aforementioned type to produce such an anti-drip spout.
  • Containers of the bottle type are usually closed by a stopper.
  • the stopper may be inserted into the opening of the neck or alternatively it can cap the neck of the container.
  • the term “stopper” or “capsule” is used interchangeably.
  • a stopper may be frictionally inserted into the opening of the neck, screwed onto the neck or into the opening, crimped onto the neck, etc.
  • Secondary-closure capsules are known of the type mentioned in the preamble above. These capsules are formed of a heat-shrink cylindrical sleeve, which is closed at one end by a top disk. To put the capsule in place on a bottle or similar container, you first cap the neck of the container with the capsule, before heating the capsule. The material of which the capsule is made shrinks under the effect of heat, so that the wall of the cylindrical sleeve tightens around the neck. Once the secondary-closure capsule has contracted around the neck, it is no longer possible to remove it without tearing it. Secondary-closure capsules that have a tear strip are particularly appreciated because they can be opened without the need for an instrument such as a knife.
  • Anti-drip spouts are also known, which are intended to be inserted into the neck of a bottle-type container or the like. Indeed, a well-known problem with containers of the bottle type is that, when the container is put back upright after pouring part of its contents, a drop of liquid is often found hanging from the rim surrounding the orifice of the container. This drop then tends to flow on the outer wall of the container under the effect of gravitation, from the orifice towards the bottom of the container. The anti-drip spouts are therefore intended to avoid this problem.
  • 5,651,481 discloses a spout having an anti-drip beak, and which consists of a piece of flexible and elastic foil material rolled into a hollow tube having a circular cross section. Once rolled into the form of a tube, the piece of foil is intended to be inserted into the neck of a bottle containing a liquid intended to be poured from the bottle in a drop-free manner. Due to its elasticity, the rolled piece of foil exerts a centrifugal pressure on the entire inner wall of the neck. This pressure causes sufficient adhesion of the piece of foil to the inner wall to provide a seal between the inner wall and the foil. Part of the tube formed by the rolled piece of foil material protrudes from the neck and constitutes the beak of the anti-drip spout.
  • U.S. Pat. No. 5,651,481 further indicates that before being rolled, the elastic piece of foil is flat and convex in shape.
  • the end of the beak of the spout is formed by a portion of the convex edge of the piece of foil.
  • the prior document further explains that in order for the spout to be satisfactory as an anti-drip spout, it is necessary in particular for the piece of foil material to have a small thickness, to have sharp edges, and for the surface of the foil material to have little affinity with the liquid contained in the container.
  • a disadvantage of this known spout is that it is normally supplied to the consumer separately from the container and its contents.
  • a consumer has emptied all the contents of a first container and opens a second, he is supposed to keep the stop spout to transfer it to the second container. It will be understood that this way of proceeding is likely to cause hygiene problems.
  • more prosaically it is not always easy to get one's hands on the spout when it is needed again.
  • Document U.S. Pat. No. 5,651,481 clearly contemplates the possibility of supplying the spout with the container and discarding it after use.
  • it is necessary to provide a protective envelope for the elastic piece of foil; which has a cost, failing which hygiene problems can crop up.
  • Patent document WO2006/048673 proposes to overcome the disadvantages of the prior art that have just been described by providing a heat shrinkable plastic secondary-closure capsule for a bottle of wine.
  • the secondary-closure capsule has a head and a skirt formed of a rolled piece of foil, and comprises at least one tear line provided with a tear strip and which delimits a portion of the rolled piece of foil which is adapted to be formed into a spout for the bottle of wine.
  • the document further teaches that two things happen when pulling the tear strip.
  • the secondary-closure capsule is completely removed from the bottle so as to give access to the cork or stopper, and secondly, a lower portion of the secondary-closure capsule is detached from the remainder of the capsule, so that the bottom portion is ready to be used as an anti-drip spout.
  • An object of the present invention is to overcome the aforementioned drawbacks of the prior art by providing a secondary-closure capsule for a bottle of wine, which can be used to make an anti-drip spout, but which also allows to serve the wine without first removing the skirt of the capsule.
  • the present invention achieves the above object as well as others by providing a secondary-closure capsule according to the appended claim 1 .
  • the term “bottle or similar container” here means a container adapted to contain a liquid and which is provided with a neck. It should further be noted that the term “below” (in the claims) refers to a situation where the capsule is oriented with the head upwards. On the other hand, the term “roll” is to be taken as meaning a cylinder made of a piece of rolled-up foil material. In addition, the verb “tear” is to be taken in the sense of “cutting without using a sharp instrument”.
  • the secondary-closure capsule has the advantageous characteristic of being easily transformed into a spout without the need to use an instrument such as a knife to detach the skirt of the secondary-closure capsule from the neck of a container. It will be understood that, thanks to this feature, the invention makes it possible to market together a container and an easy-to-use spout, without significantly altering the usual appearance of the container.
  • the secondary-closure capsule of the invention is also arranged to allow tearing the first tear strip, so as to detach the head from the skirt, while preserving the integrity of the skirt. It will be understood that, thanks to this feature, it is possible to open a container provided with the secondary-closure capsule of the invention, and to pour the liquid without having to remove the skirt of the capsule beforehand.
  • the heat-shrink piece of foil detached from the neck of the container is rolled-up, and the obtained roll is then inserted axially into the uncorked neck of the bottle.
  • the elasticity of the piece of foil is sufficient for it to positively engage the inner wall of the neck with sufficient strength. This requirement can be problematic. Indeed, because of certain properties of heat-shrink materials which are known to those skilled in the art, when heating a secondary-closure capsule sufficiently for it to contract and enclose the neck of a container, the shape of the neck is imprinted into the material.
  • the heat-shrink material adopts and remembers the shape that it has taken under the effect of heat.
  • the skirt of the secondary-closure capsule is removed from the neck to make a pouring nozzle
  • the plastic foil removed from the neck of the container will, naturally and without constraint, keep a rolled configuration.
  • no elasticity prevents the winding of the piece of foil on itself as long as the diameter of the formed roll is not smaller than the outside diameter of the neck from which the skirt has been removed.
  • the difference between the inside diameter and the outside diameter of the neck of most bottles is sufficient to cause the elasticity of the heat-shrink foil material to exert enough force on the inner wall of the neck to ensure the desired seal.
  • the spout with which the neck of a particular container is provided, preferably comes from the secondary-closure capsule of the same container.
  • the invention is not limited to this preferred case. Indeed, the spout could also be made from the secondary-closure capsule of a first container and be mounted on a second container. In the latter case, it is however necessary that the inside diameter of the neck of the second container is smaller than the outside diameter of the neck of the first container.
  • FIG. 1 is a perspective view of a secondary-closure capsule according to a first particular embodiment of the invention, the capsule being shown in place on the neck of a container;
  • FIG. 2 is a perspective view of a spout obtained from the secondary-closure capsule of FIG. 1 , according to a first particular implementation of the method of the invention, the spout being shown in place on top of the neck of a container;
  • FIG. 3 is a perspective view of a secondary-closure capsule according to a second particular embodiment of the invention, the capsule being shown in place on the neck of a container;
  • FIG. 4 is a perspective view of a spout obtained from the secondary-closure capsule of FIG. 3 , according to a second particular implementation of the method of the invention, the spout being shown in place on top of the neck of a container;
  • FIG. 5 is a perspective view of a secondary-closure capsule according to a third particular embodiment of the invention, the capsule being shown in place on the neck of a container;
  • FIG. 6 is a schematic plan view showing the cylindrical wall of the capsule of FIG. 5 after it has been detached from the neck the container, unrolled and cut along the path of least resistance;
  • FIGS. 7A and 7B are perspective views, respectively front and back views, of a secondary-closure capsule according to a fourth particular embodiment of the invention, the figures showing more particularly the arrangement of the two tear strips;
  • FIG. 8 is a diagrammatic plan view showing a piece of heat-shrink foil intended to be rolled up and glued, so as to form the skirt of the capsule of FIGS. 7A and 7B ;
  • FIG. 9 is a perspective view of the secondary-closure capsule of FIGS. 7A, 7B and 8 , shown in place on the neck of a container, the first tear strip being partially torn off.
  • FIG. 1 is a perspective view of a secondary-closure capsule according to a first particular embodiment of the invention.
  • the secondary-closure capsule 1 is illustrated capping the neck of a bottle 11 .
  • the capsule 1 is made of a heat-shrink material. It may be for example PVC, Polyethylene (PE), Polypropylene (PP), or any other material that those skilled in the art deem appropriate for the present use.
  • the illustrated secondary-closure capsule has a head 3 and a skirt 5 having the shape of a substantially cylindrical tube, and whose wall is formed of an elastic piece of foil of heat-shrink plastic. It can be seen that the head of the capsule is arranged to close the upper end of the tube formed by the skirt 5 .
  • the head may be made of the same material as the skirt, but it may also consist of an aluminium disk for example.
  • FIG. 1 also shows a first tear strip 7 which encircles the capsule 1 and materialises the boundary between the skirt 5 and the head 3 of the capsule.
  • One end of the strip 7 is provided to act as a gripping member 9 to allow a consumer to grab the strip and tear it off.
  • FIG. 1 also shows a second tear strip 13 extending longitudinally from the bottom of the skirt substantially to the first tear strip. The lower end of the strip 13 is arranged to protrude from the bottom of the skirt 5 , so as to be usable as a gripping member 9 .
  • the outline of the first tear strip 7 defines a circumferential tear line for detaching the head 3 from the skirt 5 of the capsule.
  • the first tear strip extends along a line of least resistance 15 which determines and guides the path of the tear line.
  • the secondary-closure capsule is arranged so that it is possible to tear the first strip 7 in order to open the bottle, without harming the integrity of the skirt 5 .
  • FIG. 2 is a perspective view of a spout obtained from the secondary-closure capsule of FIG. 1 by way of a particular mode of implementation of the method of the invention.
  • the path of the second tear strip 13 defines a second tear line which is oriented vertically and which extends from the bottom of the skirt 5 to the first tear line.
  • the second tear strip 13 extends along a line of least resistance 17 which connects the bottom of the skirt to the vicinity of the first line of least resistance 15 .
  • the secondary-closure capsule is arranged so that it is possible to tear the first strip 7 in order to open the bottle, without harming the integrity of the skirt 5 .
  • the capsule 1 comprises a more resistant small intermediate area (not shown) which is interposed between the first line of least resistance 15 and the upper end of the second line of least resistance 17 .
  • a more resistant small intermediate area (not shown) which is interposed between the first line of least resistance 15 and the upper end of the second line of least resistance 17 .
  • the piece of elastic foil constituting the skirt 5 has been released from the container, it must be rolled up, making sure that the side of the foil which was inside the skirt is now inside the roll obtained (the roll is referenced 19 in FIG. 2 ).
  • the side of the heat-shrink plastic foil which forms the inner face of the skirt is protected from external elements (especially dirt), as long as the skirt remains in place around the neck of the container. Under these circumstances, it is possible to ensure the cleanliness of the inside of the spout, simply by ensuring that the side of the heat-shrink plastic foil that was protected is indeed that which is turned towards the inside of the spout.
  • the next step is to insert axially the roll 19 into the neck of the container, while leaving one end of the roll protruding outside the neck.
  • the outer diameter of the roll is equal or less than the inside diameter of the neck.
  • the container be open, the cork, or stopper, having been previously removed.
  • the end of the roll that protrudes outside the neck is the anti-drip beak 21 of the spout.
  • the liquid passes through the cylindrical duct of the spout and escapes through the beak 21 .
  • the spout is formed by a thin piece of foil, the liquid passes without transition from the spout to the outside.
  • An advantage of this feature is that it limits the probability that a drop of liquid will remain suspended from the beak of the spout.
  • the material of which the piece of foil is made is preferably a material which is only slightly wetted by most common liquids. Indeed, this feature allows to further limit the appearance of drops of liquid suspended at the edge of the spout 21 . The skilled person will have no trouble choosing a material having this characteristic among the large number of materials available today for producing heat-shrink secondary-closure capsules.
  • FIG. 3 is a perspective view of a secondary-closure capsule according to a second particular embodiment of the invention.
  • the secondary-closure capsule 101 is illustrated capping the neck 111 of a container.
  • the secondary-closure capsule 101 comprises a head 103 and a skirt 105 which is in the form of a substantially cylindrical tube whose wall is made of a piece of heat-shrink elastic foil. It can be seen that the head of the capsule is arranged to close the upper end of the tube formed by the skirt 105 .
  • FIG. 3 also shows a first tear strip 107 which surrounds the head 103 of the capsule 101 , and also shows a line of least resistance 123 which is arranged to surround the capsule parallel to the tear strip 107 , below the latter.
  • the line of least resistance 123 materialises the boundary between the skirt 105 itself and the head 103 of the capsule.
  • a second tear strip 113 can be seen extending longitudinally along a line of least resistance 117 which connects the bottom of the skirt to the line of least resistance 123 .
  • a small cut-out at the bottom of the skirt is provided to disengage the lower end of the strip 113 so as to enable it to act as a gripping member 109 .
  • FIG. 4 is a perspective view of a spout obtained from the secondary-closure capsule of FIG. 3 , according to a second particular implementation of the method of the invention.
  • the second tear strip To provide the stop spout 119 illustrated in FIG. 4 , it is necessary to first remove the skirt 105 from the container 111 by means of the second tear strip. It can be seen in FIG. 3 , that the path of the second tear strip 113 forms a section of a second tear line, this section being oriented vertically and extending from the bottom of the skirt 105 to the line of least resistance 123 . The first step to removing the skirt, is to tear the second tear strip 113 .
  • the second tear line is not limited to the section defined by the second tear strip, but also comprises a second section which encircles the capsule. This second section is formed by the line of least resistance 123 . It is worthwhile to note that the second section is not directly associated with a tear strip.
  • the embodiment of FIGS. 3 and 4 allows tearing the first tear strip 107 to open the container, without harming the integrity of the skirt 105 .
  • the embodiment of FIGS. 3 and 4 also allows reciprocity; that is to say to remove the skirt of the secondary-closure capsule without removing the head thereof.
  • FIG. 5 is a perspective view of a secondary-closure capsule according to a third particular embodiment of the invention.
  • the secondary-closure capsule 201 is illustrated capping the neck 211 of a container.
  • the secondary-closure capsule of FIG. 5 has a lot of features in common with the secondary-closure capsule of FIG. 1 . These characteristics will therefore not be described again in detail.
  • a first difference between the third embodiment that is the subject matter of this example and the two previous embodiments is that the tear line 217 defined by the second tear strip 213 is not rectilinear and longitudinal but curvilinear and generally inclined. Referring to FIG. 5 , it can be understood that the lateral edges of the tear strip 213 are formed by two curvilinear lines of least resistance which go from the bottom of the skirt substantially to the first tear strip 207 . According to the invention and to what has already been explained in connection with the first embodiment, the secondary-closure capsule is arranged so that it is possible to tear the first strip 7 in order to open the bottle, without harming the integrity of the skirt 205 a, 205 b.
  • a more resistant small intermediate part can be inserted between the top of the tear strip 213 and the tear strip 207 .
  • the skirt 205 a 205 b is provided with an additional line of least resistance (referenced 225 ) which is arranged at a distance from the tear strip 213 , and which also extends from the bottom of the skirt substantially to the tear strip 207 .
  • FIG. 6 is a schematic plan view showing the skirt of the capsule of FIG. 5 after it has been detached from the neck of the container, unrolled and cut along the tear line 217 and the additional line of least resistance 225 .
  • the tear line 217 and the line of least resistance 225 are generally parallel and offset by about 40°.
  • the tearing line 217 and the line of least resistance 225 split the skirt 205 into two distinct parts referenced respectively 205 a and 205 b.
  • the part 205 a is designed to be rolled up in order to form the spout.
  • the part 205 b is waste foil, and is not intended to be used.
  • FIGS. 7A and 7B are perspective views, respectively front and back views, of a secondary-closure capsule according to a fourth particular embodiment of the invention.
  • the capsule 301 of the present example is made of a multilayer material comprising at least one layer of heat-shrink foil.
  • the secondary-closure is shown without the bottle for which it is intended, so as to show the inside of the skirt of the capsule.
  • FIGS. 7A and 7B still show a first tear strip 307 which goes around the capsule 301 and allows to remove the head 303 of the capsule so as to open the bottle.
  • one end of the strip ends with a tab 309 which acts as a gripping member.
  • the capsule illustrated also comprises a second tear strip 313 which extends longitudinally substantially between the lower edge of the skirt 305 and the first tear strip 307 .
  • a particularity of the capsule 301 is that, as long as the capsule has not been opened using the first tear strip 307 , no gripping member associated with the second tear strip 313 is visible externally.
  • An advantage of this feature is that the secondary-closure capsule that is described in the present example has an appearance almost identical to that of the usual secondary-closure capsules provided with a single tear strip.
  • FIG. 7B The rear view of FIG. 7B is a cut-away view showing the skirt 305 of the capsule from the inside
  • FIG. 8 is a plan view showing the inside of the capsule, the wall of the capsule having been unrolled and laid flat. Comparing these two figures, it will be understood that certain details, which are visible in the diagram of FIG. 8 , have been omitted in FIG. 7B so as not to overload the drawing.
  • the first tear strip 307 is bordered on either side by a line of least resistance ( 315 a and 315 b respectively) surrounding the capsule.
  • the second tear strip 313 is also bordered on both sides by two parallel lines of least resistance 317 a, 317 b which extend longitudinally from the lower edge of the skirt 305 substantially up to the level of the line of least resistance 315 b.
  • the lines of least resistance 315 a, 315 b and 317 a, 317 b are each formed of a succession of small straight slots arranged along a line and spaced apart from each other.
  • each small straight slot of a line of least resistance lies directly across from one of the small straight slots of the line of least resistance on the other side of the tear strip. It will be observed in the drawings that these lines formed of small dashes are easily distinguished from other lines drawn in dotted lines, and which conventionally represent elements visible in transparency.
  • the small slots forming the lines of least resistance 315 a, 315 b and 317 a, 317 b preferably go all the way through the skirt across its entire thickness. It will be understood, however, that the lines of least resistance could be of another type.
  • the tear strip 307 is lined with a reinforcing strip 319 which is bonded to the inner face of the side wall of the capsule.
  • the reinforcing strip 319 is preferably made of a plastic material that is not elastic and is resistant to traction.
  • the tab 309 is formed by one end of the reinforcing strip 319 .
  • the second tear strip 313 is also lined with a reinforcing strip (referenced 321 ).
  • the reinforcing strip 321 is preferably made of a material that is not very elastic and is resistant to traction, but relatively easy to tear and not very adherent, such as aluminium foil for example.
  • tear strips comprising a reinforcing strip are normally usable even in the absence of lines of least resistance to guide the course of the tear line. It will therefore be understood that the reason that, in accordance with the invention, the secondary-closure capsules always have at least one line of least resistance, is primarily to ensure that the edges of the anti-drip spout are sharp and regular.
  • the second tear strip 313 does not extend upwards any further than the line of least resistance 315 b, it can be seen that, in the illustrated example, the reinforcing strip 321 extends beyond the line of least resistance 315 b in the upward direction until it reaches the top of the side wall of the capsule.
  • the two reinforcing strips 319 and 321 are arranged to intersect each other, and at the crossing point, the reinforcing strip 321 is sandwiched between the inner face of the skirt and the reinforcing strip 319 .
  • the line of least resistance 315 a also intersects the reinforcing strip 321 .
  • the strip 321 also presents perforations in the form of small straight slots.
  • the reinforcing strip 321 is made of a material that is easy to tear, and the perforations have the effect of further locally reducing the tear resistance of the reinforcing strip 321 .
  • tearing the first strip 307 has the effect of cutting the reinforcing strip 321 at its intersection with the line of least resistance 315 a. Indeed, this intersection is the place where the reinforcing strip 321 is easiest to tear.
  • the segment of the reinforcing strip 321 which is sandwiched between the reinforcing strip 319 and the inner face of the skirt, is attached only by one side. The segment can therefore disentangle itself form the first tear strip 307 by sliding between the reinforcing strip 319 and the inner face of the skirt.
  • the strip segment thus released is adapted to serve as a tab-shaped gripping member for the second tear strip 313 .
  • the main purpose of the lines of least resistance is to make it possible to have very regular tearing lines with sharp edges.
  • the line of least resistance 315 b stops at the point of its intersection with the extension of the second tear strip 313 . It can therefore be expected that the tear line has a rugged character at this location.
  • the tear line swerves so as to follow temporarily the lateral edge of the reinforcing strip 319 . The tear line then returns to follow the line of least resistance 315 b as soon as it has passed the interruption located at the intersection between the tear strips.
  • the secondary-closure capsule 301 is arranged so that it is possible to tear the strip 307 in order to open the bottle, without harming the integrity of the skirt 305 beneath that strip.
  • the tear line generated by the strip 307 swerves a little upwards, so that it moves away from the top of the lines of least resistance 317 a and 317 b associated with the second tear strip 313 .
  • a bridge of material remains between the tear line associated with the first tear strip 307 and the top of the lines of least resistance 317 a and 317 b associated with the second strip 313 . It will be understood that in order to completely detach the skirt 305 from the container, it is sufficient to pull on the tab of the second tear strip with enough force to break the material bridge.
  • the line of least resistance 315 b could be designed to cross the second tear strip 313 without interruption, as long as it did so without cutting the reinforcing strip 321 .
  • the lines of least resistance 317 a and 317 b are each formed of an alignment of small straight slots spaced from each other, each small slot of a line of least resistance facing one of the small slots of the line of least resistance on the other side of the tear strip. Therefore, it will be understood that each space between two small slots lies directly across from another space on the other side of the tear strip.
  • the mechanical integrity of the tear strip 313 is reinforced by the presence of the reinforcing strip 321 .
  • each of these spaces forms one of the ends of a kind of material bridge connecting two sides of the skirt through the tear strip, and that the other end of this bridge is formed by the space opposite, on the other side of the tear strip. It will therefore be understood that, according to the present example, there are as many material bridges as spaces between the small rectilinear slots. Each of these material bridges is capable of preventing the tearing of the first strip 307 from causing the skirt to rupture at the level of the second tear strip 313 .
  • the second tear strip or wire could surround the capsule along a section on the second tear line, at a distance below the first tear strip or wire.
  • to remove the skirt start by pulling on the second tear strip.
  • the second tear line also includes a portion that extends to the bottom of the skirt, the circumferential tear produced by tearing will naturally propagate a certain distance in the downward direction of the skirt. Then just grab both flaps of the skirt and gently pull on to detach the skirt by tearing it down.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US16/081,702 2016-03-03 2017-03-01 Heat-shrink secondary-closure capsule and use of the skirt of a secondary-closure capsule to produce a drip stop spout Abandoned US20190084729A1 (en)

Applications Claiming Priority (3)

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EP16158514 2016-03-03
EP16158514.6 2016-03-03
PCT/IB2017/051188 WO2017149467A1 (fr) 2016-03-03 2017-03-01 Capsule de surbouchage thermoretractable et utilisation de la jupe d'une capsule de surbouchage pour realiser un embout verseur pare gouttes

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EP (1) EP3423368B8 (de)
WO (1) WO2017149467A1 (de)

Cited By (3)

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Publication number Priority date Publication date Assignee Title
USD907488S1 (en) * 2019-05-17 2021-01-12 Maverick Enterprises, Inc. Wine bottle capsule
US11511911B1 (en) * 2022-05-24 2022-11-29 Robert Neal Woodhead Wine drip ring
US11603234B1 (en) * 2019-12-20 2023-03-14 Lisa Paskaly Absorbent disposable device and methods of use

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Publication number Priority date Publication date Assignee Title
EP3594143B1 (de) 2018-07-12 2021-03-31 BillerudKorsnäs AB Kapsel für flasche, flasche mit der kapsel und verfahren

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EP3423368B8 (de) 2023-08-16
WO2017149467A1 (fr) 2017-09-08
EP3423368C0 (de) 2023-07-12
EP3423368B1 (de) 2023-07-12
EP3423368A1 (de) 2019-01-09

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