• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention provides a method for assembling a filter element (8) with a cup-shaped capsule body (2) using a combined welding head (70) and mold (80), comprising the steps of positioning the filter element (8) in or near a mouth of the cup-shaped capsule body (2), moving the welding head (70) and mold (80) combined to contact and drive the filter element (8 ) to the cup-shaped capsule body (2), the filter element (8) being deformed by a spring-driven mold (80) of the welding head (70) and mold (80) combined to form an element filter cup (56), and use a welding head (70) from the welding head (70) and mold (80) combined to consolidate the cup-shaped filter element (56) into the capsule body in bowl shape (2). The present invention further provides a method for making a beverage capsule and a beverage capsule produced using this method.
    公开号:BR112015008845B1
    申请号:R112015008845-7
    申请日:2013-10-16
    公开日:2021-01-26
    发明作者:Nicholas Hansen；Mark Norton
    申请人:Koninklijke Douwe Egberts B.V.；
    IPC主号:
    专利说明:

    The present order refers to improvements in capsules or related to them. Specifically, it refers to a welding head and mold to be used in the assembly of capsules, such as capsules with drink. The order also refers to methods of assembly using said welding head and mold, and the use of capsules produced by said methods. Background
    Capsules for containing beverage ingredients are well known. A known type of capsule is described in US 5,840,189 and comprises a cup-shaped capsule body with a base, a truncated tapered sidewall and an open mouth. The open upper mouth is hermetically sealed by a lid. The cup-shaped capsule body and the lid define a volume of capsule in which a filter element and a portion of beverage ingredients are located. In use, the cap and the base are both perforated to allow the injection of hot water into the capsule volume, and the release of a drink extracted from the capsule volume. The filter element serves to allow the extracted drink to pass through it while retaining the solid residue from the beverage ingredients. In US 5,840,189, the filter element is permanently attached to an inner surface of the tapered sidewall at a location adjacent to the open mouth.
    US 6,440,256 describes a method for forming and inserting a filter element into a cup-shaped capsule body of the type described in US 5,840,189. In particular, the method requires, first, the folding and sealing of a filter material to form a filter element. The filter element is then transferred to the location of a cup-shaped capsule body by a first mandrel. A probe is then lowered in relation to the first mandrel to remove the filter element from the first mandrel with a heated tip of the probe used to spot-weld a bottom of the filter element to the base of the cup-shaped body. Then, the probe is removed and a forming mandrel is inserted to radially expand the filter element against the inner side wall of the cup-shaped capsule body. The forming mandrel is then removed and a welding mandrel is inserted to make a peripheral weld between the filter element and the side wall.
    This prior art method involves numerous individual steps and requires three separate mandrels. It is also incompatible to mount a filter element in a capsule in cases where the filter element does not extend to the base of the capsule body in the shape of a cup. Summary of revelation
    According to the present description, a method of assembling a filter element with a cup-shaped capsule body using a combined welding head and mold is presented, which comprises the steps of: a) positioning the filter element in the , or close to a mouth of the capsule-shaped body of the capsule; b) move the combined welding head and mold so that they come into contact and orient the filter element in the bowl-shaped capsule; c) being that, during step b), the filter element is deformed by a spring-driven mold of the welding head and mold combined to form a bowl-shaped filter element; and d) using a welding head from the combined welding head and mold to consolidate the cup-shaped filter element into the cup-shaped capsule body.
    Advantageously, the combined welding head and mold obtain, in an individual operation, the multiple functions of inserting the filter element into the cup-shaped capsule body, the modeling of the filter element to the inside of the shaped filter element bowl, and the consolidation of the filter element in the shape of a bowl and the body of the capsule in the shape of a bowl. This allows for a less complicated and faster assembly procedure. The method is also suitable for mounting a filter element in a capsule, in cases where the filter element does not extend to a base of the capsule body in the shape of a bowl.
    A magnitude of a peak force applied to the filter element by the spring driven mold can be limited by allowing the spring driven mold to move relative to the welding head against spring action.
    Typically, the filter material is produced from a material that has a relatively low breaking strength. The present applicant has observed that the use of a solid, non-malleable mold to drive the filter element into the cup-shaped capsule body can lead to tearing of the filter element if a very high load is applied to the filter element by mold. With the use of the spring driven mold of the present description, the probability of tearing the filter element is reduced or avoided since the peak force applied by the mold to the filter element can be moderated by the conformity of the mold.
    Consequently, the magnitude of the peak force applied to the filter element is preferably less than the force required to tear the bowl-shaped filter element. For example, the magnitude of the peak force applied to the filter element may be less than 45N, preferably less than 40N, more preferably less than 30N.
    At the end of step b), a portion of the cup-shaped filter element can be maintained in contact with the cup-shaped capsule body by the welding head. Advantageously, this allows the consolidation of the cup-shaped filter element and the cup-shaped capsule body to allocate after the filter element has been deformed within the cup-shaped filter element. In other words, a single movement of the combined welding head and mold not only inserts and deforms the filter element into the required shape, but also prepares the bowl-shaped filter element for a consolidation step. This avoids the need for a plurality of reciprocal machine movements to insert, deform and consolidate the filter element, which in this way results in a faster assembly process.
    The cup-shaped filter element can be consolidated into the cup-shaped capsule body so that the cup-shaped filter element is suspended inside the cup-shaped capsule body, with a base of the filter element in the shape of a bowl without contact with a base of the capsule body in the shape of a bowl.
    During step d), a portion of the bowl-shaped filter element can be consolidated to the body of the bowl-shaped capsule using a heated portion of the welding head. The welding head can be heated by a resistance heater coil or resistance band. The heated portion may comprise a heated ceramic component.
    During step d), at least a portion of the cup-shaped capsule body can be softened by the heated portion of the welding head, thereby allowing the welding head to move further into the capsule body in bowl shape.
    The heat applied to the cup-shaped capsule body may result in the softening of the material in the cup-shaped capsule body and / or may result in localized thinning of a side wall of the cup-shaped capsule body. In any case, this can also allow the welding head to move additionally into the cup-shaped capsule body since the reaction force applied to the welding head by the cup-shaped body can reduced by material softening.
    During said additional movements of the welding head within the cup-shaped body, additional movements of the spring-driven mold within the cup-shaped capsule body can be limited or avoided by allowing the spring-driven mold to become move in relation to the welding head against a spring actuation.
    Advantageously, even in cases where the welding head moves more distantly within the cup-shaped capsule body, additional movement of the mold within the cup-shaped capsule body is limited or avoided due to the mold being spring-loaded. In other words, the additional displacement of the welding head is partially or totally accommodated by the compression of the spring action existing between the welding head and the mold. This significantly decreases or eliminates any additional loading to be applied to the bowl-shaped filter element during the consolidation step.
    The spring driven mold can be slidably coupled to the welding head, with a compression spring extending between the spring driven mold and the welding head. As an alternative to a compression spring, the mold can be spring-loaded by, for example, using an elastomeric spring, a gas spring, a gas piston, or other arrangement providing conformity between the welding head and the mold or conformity within the mold itself. The conforming element can be a separate element or it can form an integral part of the welding head or the mold. The material and / or shape of the mold can produce conformity.
    The method may additionally comprise the step of: e) removing the combined welding head and mold from the cup-shaped capsule body.
    During step e) the spring driven mold can be flexible to help separate the spring driven mold from the bowl-shaped filter element.
    The mold can be formed from a rigid material. In some respects, the use of a flexible mold can reduce the risk of the bowl-shaped filter element being torn when removing the combined welding head and mold. A part or all of the mold can therefore be formed from a flexible material. Alternatively, the mold can comprise a geometric shape providing inherent flexibility.
    The present description also presents a method for making a beverage capsule, comprising the steps of: i) filling the portion of one or more beverage ingredients in a cup-shaped capsule body that has a consolidated filter element a this by the method described above; and ii) close and seal the capsule body in the shape of a cup using a lid.
    The present description also features a beverage capsule produced using the method described above.
    One or more ingredients in the drink can be an extractable / infusible ingredient such as roasted coffee beans or tea leaf. The beverage ingredients can be a mixture of extractable / infusible ingredients and water-soluble ingredients. The water-soluble ingredient can be, for example, instant spray-dried or freeze-dried coffee, powdered chocolate, powdered milk or powdered cream. Powdered milk may include skimmed-milk powder, semi-skimmed-milk powder and whole milk, concentrates, isolates and fractions of powdered milk protein, or any combination thereof. Powdered creams can be made from dairy-based ingredients or not and typically contain protein-stabilized emulsified fat or modified starch dispersed in a vehicle that facilitates drying, especially spray drying. The powdered ingredient can be agglomerated.
    The present description also features a combined welding head and mold for use in assembling the beverage capsule, which comprises a welding head and a mold, the mold being spring-loaded.
    The spring driven mold can be slidably coupled to the welding head, with a spring extending between the spring driven mold and the welding head.
    As noted above, the spring can be a compression spring, an elastomeric spring, a gas spring, a gas piston or other arrangement providing conformity between the welding head and the mold. The conforming element can be a separate element or it can form an integral part of the welding head or the mold.
    The spring-driven mold may comprise a forming body.
    At least a portion of the forming body can be flexible.
    The present description also provides for the use of a combined welding head and mold, as described above, to assemble a filter element with a cup-shaped capsule body.
    The cup-shaped capsule body can be formed from a polymeric material. For example, it can be formed from polypropylene, polyester, polystyrene, nylon, polyurethane, acetal, methylene polyoxide (acetal) copolymer (eg, Centrodal C), or other engineering plastics.
    The body of the cup-shaped capsule may comprise a laminated material. For example, the cup-shaped capsule body may comprise a polystyrene and polyethylene laminate. In another example, the bowl-shaped body can be formed from a laminate having layers of polystyrene, ethylene vinyl alcohol (EVOH) and polyethylene.
    The body of the cup-shaped capsule may comprise a barrier layer. The barrier layer can form a layer of a laminated structure of the body of the capsule in the shape of a cup. The barrier layer may be substantially impermeable to oxygen / air and / or moisture. Preferably, the barrier layer acts to preserve the contents of the capsule from possible degradation due to exposure to oxygen / air and / or moisture. An example of a suitable barrier layer is EVOH.
    Suitable materials for the filter element include heat-sealable materials, fabrics and non-fabrics, paper and cellulose, as well as plastics such as polypropylene and polyethylene. The paper or cellulose material may contain fibers from another material, for example, polypropylene or polyethylene.
    The spring-loaded mold can be produced wholly or partially from a material that is heat resistant. The spring-driven mold can be formed of a rigid material such as aluminum, mild steel, copper, brass or stainless steel. It can also be produced from a non-metallic material such as ceramic or polymer. The polymer may comprise consolidated synthetic resin fabric, for example, a phenol formaldehyde resin including additional cotton or linen fabrics. An example of this is Tufnol (RTM) available from Tufnol Composites Ltd., Birmingham, United Kingdom. The spring-driven mold can be produced wholly or in part from a material that is flexible. One example is silicone. Description of the drawings
    Aspects of the present disclosure will be described below, by way of example only, with reference to the attached drawings, in which: Figure 1 is a cross-sectional representation of a combined welding head and mold, a cup-shaped capsule body and a filter element before assembly; Figure 2 is a cross-sectional representation of the filter element to be inserted into the body of the capsule in the shape of a bowl by the combined welding head and mold; Figure 3 is a cross-sectional representation of the filter element inserted inside the body of the capsule in the shape of a cup and ready for consolidation; Figure 4 is a cross-sectional representation of the combined welding head and mold taken from the cup-shaped capsule body; and Figure 5 is a perspective representation of a capsule formed using the body of the capsule in the shape of Figure 4. Detailed Description
    A capsule 1, which can be, for example, a beverage capsule, containing a portion of one or more beverage ingredients, is shown in Figure 5. Capsule 1 comprises a cup-shaped capsule body 2 that has a base 4 of a circular shape and a side wall 5 extending upwards. An open upper end of the bowl-shaped capsule body 2 is closed and sealed by a lid 3. The capsule 1 contains a bowl-shaped filter element 56 (shown in Figure 4) that serves to allow a liquid to pass through through it while retaining a solid residue. The cap 3 has an upper perforating surface of the capsule 1. The base 4 has an upper perforating surface of the capsule 1.
    The body of the capsule-shaped capsule 2 can be formed from a laminate that has layers of polystyrene, ethylene vinyl alcohol (EVOH) and polyethylene.
    The lid 3 can be formed from polyethylene, polypropylene, polyesters including polyethylene terephthalate, polyvinyl chloride, polyvinylidene chloride, polyamides including nylon, polyurethane, paper, viscose and / or a metallic laminate. The lid may comprise a laminate, be metallized or formed from copolymers. In one example, the cover comprises a polyethylene aluminum laminate.
    Figure 1 shows the bowl-shaped capsule body 2 and a filter element 8 from which the bowl-shaped filter element 56 will be formed. The filter element 8 comprises a circular and flexible piece with a die cut of suitable filter material, which can be heat sealed.
    Figure 1 also shows a combined welding head and mold 60 which are used to mount the filter element 8 with the cup-shaped capsule body 2.
    As shown in Figure 1, the side wall 5 of the cup-shaped capsule body is provided on its internal face with a plurality of grooves 28 that project radially inwardly, in order to define the channels 29 interposed between the grooves 28 that run along a substantial extension of the side wall 5 of the open top end 20 towards the base 4. The side wall 5 is generally frusto-tapered in shape, with a diameter at the open top end 20 that is larger than one diameter on the side wall 5 adjacent to the base 4. An upper region of the side wall 5 adjacent to the upper edge 21 has an inwardly tapered section 22 extending downwardly from the upper edge 21. In addition, the side wall 5 in the region of the base 4 is provided with an outward tapered section 23. An upper end of the outer tapered section 23 connects to the rest of the side wall 5 in an outward-facing projection 24.
    The combined welding head and mold 60 comprise a welding head 70 and a spring driven mold 80.
    The welding head 70 comprises a generally solid body 71 having a through hole 72. The orifice 72 is located in the center of the solid body 71 and oriented along a longitudinal axis of the welding head 70. An upper end of the solid body 71 is provided with a plurality of threaded holes 75 to allow the welding head 70 to be coupled to a mechanism (not shown) that controls the movement and heating of the welding head 70. A face of the lower end 73 of the welding head 70 is perpendicular to the longitudinal axis. A welding zone 74 towards a lower end of the solid body 71 is molded to conform to the cup-shaped capsule body 2. In the illustrated example, the welding zone 74 comprises two tapered surfaces that adapt in shape of the section tapered interior 22 of the cup-shaped capsule body 2. The welding head can be formed from a suitable material capable of transmitting thermal energy through the welding zone 74. Examples include mild steel, aluminum, copper and brass.
    The spring-driven mold 80 comprises a forming body 86, a coupling leg 83 and a spring 84. The forming body 86 comprises a base 82 of a circular shape and a side wall 81 extending upwardly from the base 82 and ends in a circular flap 87. The side wall 81 has a tapered trunk shape, the inclination of which is generally in line with the inclination of the side wall 5 of the capsule-shaped body 2. A corner outer 85 at the junction between the side wall 81 and the base 82 is a radius to prevent any sharp edges that can tear the filter element 8. The coupling leg 83 extends upwards from the base 82 inside the side wall 81 The coupling leg 83 is cylindrical and located in a center of the forming body 86 and is shaped and dimensioned to be received as a sliding fit inside the hole 72 of the welding head 70. The forming body 86 is produced from a rigid material, such as aluminum or copper. Alternatively, a material with a degree of flexibility, such as silicone rubber, can be used.
    The spring 84 is located around the coupling leg 83 and extends from an inner face of the base 82 to the face at the lower end 73 of the welding head 70. The spring is a helical compression spring.
    Coupling leg 83 is retained within orifice 72 by means of a threaded pin, orifice and washer arrangement 88 at an upper end of coupling leg 83.
    As assembled and seen in the orientation shown in Figure 1, the spring-driven mold 80 at rest is tilted downwardly away from the welding head 70 by the spring 84, so that a spacing 90 exists between the circular edge 87 of the side wall of the body forming 86 and the face of the lower end 73 of the welding head 70.
    The steps in assembling the filter element 8 with the cup-shaped capsule body 2 are shown in Figures 2 to 4.
    In a first step shown in Figure 2, the cup-shaped capsule body 2 is supported on a suitable support (not shown), and the combined welding head and mold 60 are moved down by mechanical means, so that the filter element 8 is guided downwards at the open top end 20 of the cup-shaped capsule body 2 by the spring-loaded mold 80. This movement causes the previously horizontal filter element 8 to begin to be deformed within the filter element in a bowl shape 56. A central portion of the filter element 8 contacted by the base 82 of the forming body 86 will become a base 52 of the bowl-shaped filter element 56. An intermediate zone 53 of the filter element 8 will form a portion of a side wall 51 of the bowl-shaped filter element 56. A peripheral region 50 of the filter element 8 will form a consolidated zone of the side wall 51 of the bowl-shaped filter element 56. Duran During this first step, the movement resistance of the filter element 8 is low and consequently the spring-driven mold 80 moves in sync with the welding head 70 and the spacing size 90 remains substantially unchanged.
    The insertion of the combined welding head and mold 60 continues until the point is reached, shown in Figure 3, in cases where the filter element 8 has been fully inserted and the welding head 70 has come into contact with the peripheral zone 50 of the element filter element 8. At this point, the filter element 8 has been completely deformed inside the cup-shaped filter element 56. In addition, the welding zone 74 of the welding head 70 acts to firmly maintain the peripheral zone 50 of the welding element. filter 8 against the tapered inward section 22 of the bowl-shaped capsule body 2. As can be seen in Figure 3, the base 52 of the bowl-shaped filter element 56 is kept free of the base 4 of the capsule-shaped capsule. bowl 2 by distance 55. Up to this point, the movement resistance of the filter element 8 remains low and consequently the spring-loaded mold 80 moves in sync with the welding head 70 and the spacing size 90 remains sub substantially unchanged
    The consolidation of the cup-shaped filter element 56 to the cup-shaped capsule body 2 takes place at that time due to the thermal energy of the welding zone 74 causing the localized fusion of the material of the filter element 8 and the shaped capsule body. cup 2. The heating of the material of the cup-shaped capsule body 2 has been shown to have a tendency to soften and / or tune the cup-shaped capsule body 2. This allows the welding head 70 to move downwards , further away inside the cup-shaped capsule body 2. This further movement into the welding head 70 would have a tendency, if the forming body 86 were not spring-loaded, to transmit an increased force to the welding element. bowl-shaped filter 56 (which is now not free to move in relation to the body of the bowl-shaped capsule 2). However, the spring-driven mold 80 means that the furthest movement into the welding head 70 is accommodated by the conformity of the combined welding head and mold 60 - specifically, it is accommodated by the compression of the spring 84 in order to move the body in formation 86 in relation to the welding head in order to reduce the spacing size 90.
    The final step, shown in Figure 4, is to remove the combined welding head and mold 60. In this step, the removal of the forming body 86 from the bowl-shaped filter element 56 can be assisted, in the case where the forming body 86 is formed from a flexible material, by flexing the forming body 86, which reduces the chances of tearing the bowl-shaped filter element 56.
    The assembly of the bowl-shaped filter element 56 and the bowl-shaped capsule body 2 can then be subjected to additional process steps in order to fill the capsule with a portion of one or more beverage ingredients, and apply cap 3.
    As part of the assembly method described above, the spring coefficient of the spring driven spring 80 should be chosen as required, depending on the specific geometry of the cup-shaped capsule body 2 and the material of the filter element 8 to ensure that the maximum load given to filter element 8 / bowl-shaped filter element 56 does not exceed its tear strength. The coefficient of the spring of the mold driven by the spring 80 depends not only on the coefficient of the spring 84 itself but also on the effects of friction between the components of the mold 80. In one experiment, a circular piece of the filtering material comprising woven paper and polyethylene of diameter 97 mm and thickness 0.1 mm, was consolidated according to the method described above in a capsule body in the shape of a cup 2 with an internal face formed of polyethylene and an internal diameter in the open upper mouth 20 of 45 mm. The depth of the bowl-shaped filter element 56 formed was 33 mm. For this example, a coefficient of the spring of about 2.0 to 4.0 N / mm, preferably 3.0 N / mm for the spring driven mold 80 was considered to be beneficial. This was achieved using a helical compression spring that has a spring coefficient of about 1.0 to 3.0 N / mm, preferably 2.0 N / mm. EXAMPLES
    Tests were conducted to ascertain the breaking strength of a typical filter element. The results are shown in Table 1 below. The filter element composed of a circular piece of filter material comprises tissue paper and polyethylene with a diameter of 97 mm and a thickness of 0.1 mm. A forming body 86 was actuated at a fixed speed of 100 mm / minute until tearing of the filter element occurred.

    From this, it can be noted that, for this example, limiting the peak force applied to the filter element 8 / bowl-shaped filter element 56 to less than 48N is preferred to reduce or eliminate the chances of tearing.
    Comparative tests were then carried out to compare the peak force applied to filter element 8 / filter element in cup shape 56 using the method of the present description (using a spring-driven mold 80), compared to an assembly method using a welding head and mold that consists of a solid cap mold that is not spring loaded in relation to the welding head. As above, the filter material was composed of tissue paper and polyethylene with a diameter of 97 mm and a thickness of 0.1 mm. The body of the capsule 2 was composed of an internal face formed by polyethylene and an internal diameter in the upper open mouth of 20 to 45 mm. The depth of the bowl-shaped filter element 56 formed was 33 mm. For the combined welding head and mold 60, a spring coefficient of 3.0 N / mm for the spring driven mold 80 was chosen by using a compression spring that has a spring coefficient of 2.0 N / mm . The results are shown in Table 2 below. Table 2


    The use of the spring-loaded mold resulted in a significantly reduced maximum load to be applied to the filter element 8 / bowl-shaped filter element 56 and in each case prevented the material from tearing.
    In the above aspect, the forming body 86 comprises a thin-walled, integral and bulge-shaped structure. However, other shapes of the forming member can be used as part of the spring driven mold 80. For example, the forming body 86 can be formed from a plurality of separate parts. The forming body 86 may comprise a base 82, but not a side wall.
    权利要求:
    Claims (15)
    [0001]
    1. Method of assembling a filter element (8) with a cup-shaped capsule body (2) using a combined welding head and mold (60), characterized by the fact that it comprises the steps of: a) positioning the filter element (8) at or near the mouth (20) of the cup-shaped capsule body (2); b) move the combined welding head and mold (60) in order to make contact and guide the filter element (8) into the cup-shaped body of the capsule (2); c) being that, during step b), the filter element (8) is deformed by a spring driven mold (80) of the combined welding head and mold (60) to form a bowl-shaped filter element ( 56); and d) using a welding head (70) from the combined welding head and mold (60) to consolidate the cup-shaped filter element (56) into the cup-shaped capsule body (2).
    [0002]
    2. Method according to claim 1, characterized by the fact that the magnitude of a peak force applied to the filter element (8) by the spring driven mold (80) is limited, allowing the spring driven mold ( 80) moves in relation to the welding head (70) against a spring actuation.
    [0003]
    3. Method according to claim 2, characterized by the fact that the magnitude of the peak force applied to the filter element (8) is less than the force required to tear the bowl-shaped filter element (56).
    [0004]
    4. Method according to claim 2 or claim 3, characterized by the fact that the magnitude of the peak force applied to the filter element (8) is less than 45N, preferably less than 40N, more preferably less than 30N .
    [0005]
    5. Method according to any one of the preceding claims, characterized by the fact that, at the end of step b), a portion of the bowl-shaped filter element (56) is maintained in contact with the shaped capsule body cup (2) by the welding head (70).
    [0006]
    6. Method according to any one of the preceding claims, characterized by the fact that the bowl-shaped filter element (56) is consolidated to the bowl-shaped capsule body (2), so that the filter element cup-shaped (56) is suspended inside the cup-shaped capsule body (2), with a cup-shaped filter element base (56) without contact with a cup-shaped capsule body base (two).
    [0007]
    Method according to any one of the preceding claims, characterized by the fact that, during step d), a portion of the bowl-shaped filter element (56) is consolidated to the bowl-shaped capsule body (2 ) using a heated portion of the welding head (70).
    [0008]
    8. Method according to claim 7, characterized by the fact that, during step d), at least a portion of the cup-shaped capsule body (2) is softened by the heated portion of the welding head (70) , thus allowing the welding head (70) to move, additionally, to the cup-shaped capsule body (2); and preferably, during said additional movement of the welding head (70) in the body of the cup-shaped capsule (2), the additional movement of the spring-driven mold (80) in the body of the cup-shaped capsule (2) is limited or avoided, allowing the spring-driven mold (80) to move relative to the welding head (70) against a spring actuation.
    [0009]
    9. Method according to any one of the preceding claims, characterized by the fact that the spring-driven mold (80) is slidably coupled to the welding head (70), with a compression spring (84) extending between the spring driven mold (80) and the welding head (70).
    [0010]
    10. Method according to any one of the preceding claims, characterized by the fact that it comprises the additional step of: e) removing the combined welding head and mold (60) from the cup-shaped capsule body (2).
    [0011]
    11. Method according to claim 10, characterized by the fact that, during step e), the spring driven mold (80) flexes to help separate the spring driven mold (80) from the filter element in bowl shape (56).
    [0012]
    12. Method for the manufacture of a beverage capsule (1), characterized by the fact that it comprises the steps of: i) filling a portion of one or more beverage ingredients in a cup-shaped capsule body (2) that it has a filter element (8) consolidated thereto by the method described in any of claims 1 to 11; and ii) close and seal the cup-shaped capsule body (2) using a cap (3).
    [0013]
    13. Combination between welding head and mold (60) for use in the assembly of a beverage capsule (1), in which it comprises a welding head (70) and a mold (80), the mold (80) being spring driven; characterized by the fact that the spring-driven mold (80) comprises a forming body (86); and wherein at least a portion of the forming body (86) is flexible.
    [0014]
    14. Combination between welding head and mold (60), according to claim 13, characterized by the fact that the spring driven mold (80) is slidably coupled to the welding head (70), with a spring ( 84) extending between the spring driven mold (80) and the welding head (70).
    [0015]
    15. Use of a welding head and mold combination (60), as defined in claim 13 or 14, characterized by the fact that it is used to assemble a filter element (8) with a cup-shaped capsule body (2 ).
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    CA2888129A1|2014-04-24|
    EP2909088B1|2017-05-03|
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    法律状态:
    2017-07-18| B25A| Requested transfer of rights approved|Owner name: KONINKLIJKE DOUWE EGBERTS B.V. (NL) |
    2018-11-21| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-05| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-01| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-01-26| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/10/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    GB1218848.8A|GB2509046B|2012-10-19|2012-10-19|Improvement in or relating to capsules|
    GB1218848.8|2012-10-19|
    PCT/IB2013/002515|WO2014060838A1|2012-10-19|2013-10-16|Improvement in or relating to capsules|
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