A capsule (1) for obtaining beverages is shown, comprising a side wall (5) and an entry surface (6) for the entrance of water under pressure into the capsule (1), wherein the side wall (5) and the entry surface (6) form the containment volume (V) for containing the infusion product (P). The entry su
A capsule (1) for obtaining beverages is shown, comprising a side wall (5) and an entry surface (6) for the entrance of water under pressure into the capsule (1), wherein the side wall (5) and the entry surface (6) form the containment volume (V) for containing the infusion product (P). The entry surface (6) comprises one or more reduced thickness areas (3) so that, letting water under pressure flow against the entry surface (6), the one or more reduced thickness areas (3) open, so as to allow water under pressure to enter the capsule (1). The capsule (1) may further comprise one or more strengthening ribs (4) provided on the entry surface (6) so as to strengthen the entry surface (6) and simplify the opening of the reduced thickness areas (3) when water under pressure flows against the entry surface (6). A method for the production of beverages is also shown, comprising the following step: flow of water under pressure against the entry surface (6) of the capsule (1) so as to open the reduced thickness areas (3) of the entry surface (6) so as to allow the water under pressure to enter the capsule (1).
대표청구항▼
1. A capsule for obtaining beverages comprising: a side wall, an entry surface, and one or more strengthening ribs provided on the entry surface for the entrance of water under pressure into the capsule, said side wall and said entry surface forming a containment volume for containing an infusion pr
1. A capsule for obtaining beverages comprising: a side wall, an entry surface, and one or more strengthening ribs provided on the entry surface for the entrance of water under pressure into the capsule, said side wall and said entry surface forming a containment volume for containing an infusion product,wherein said entry surface having a first thickness comprises one or more elastically reclosable reduced thickness areas relative to the first thickness so that, letting water under pressure flow against said entry surface, said one or more elastically reclosable reduced thickness areas open so as to allow water under pressure to enter the capsule and said one or more elastically reclosable reduced thickness areas are made of elastic material so that, after having been opened by a flow of water under pressure, the one or more elastically reclosable reduced thickness areas return to a closing position when the flow of water under pressure is stopped. 2. The capsule according to claim 1, wherein said side wall and said entry surface are formed as a single body. 3. The capsule according to claim 1, further comprising a plane for supporting a sealing element so as to hermetically seal said capsule, said plane being provided at the extremity of said side wall opposite said entry surface so that said sealing element forms an exit surface opposite said entry surface for exit of the beverage from the capsule. 4. The capsule according to claim 3, wherein said plane for supporting said sealing element has a uniform thickness or comprises a groove on a surface of said plane which faces said entry surface, said groove being adapted to house a peripheral edge of a production volume of a beverages making machine when said capsule is housed in the production volume so as to seal the production volume. 5. The capsule according to claim 1, wherein said one or more elastically reclosable reduced thickness areas are located along one or more diameters of said entry surface. 6. The capsule according to claim 5, wherein said one or more elastically reclosable reduced thickness areas are placed radially with respect to a center of said entry surface. 7. The capsule according to claim 1 wherein said one or more elastically reclosable reduced thickness areas having circular shape. 8. The capsule according to claim 7, wherein said one or more elastically reclosable reduced thickness areas having circular shape are centered in a center of said entry surface. 9. The capsule according to claim 1, wherein the one or more strengthening ribs provided on said entry surface strengthens said entry surface and ease the opening of the one or more elastically reclosable reduced thickness areas when the flow of water under pressure flows against said entry surface. 10. The capsule according to claim 9, wherein said one or more strengthening ribs do not intersect said one or more elastically reclosable reduced thickness areas of said entry surface. 11. The capsule according to claim 9, wherein at least one of said one or more strengthening ribs intersects a center of said entry surface. 12. The capsule according to claim 9, wherein said one or more strengthening ribs are placed along one or more diameters of said entry surface. 13. The capsule according to claim 12, wherein said one or more strengthening ribs are placed radially with respect to a center of said entry surface. 14. The capsule according to claim 13, wherein said strengthening ribs intersect in the center of said entry surface. 15. The capsule according to claim 9, wherein said one or more strengthening ribs are made of elastic material so as to allow said entry surface to bend from an original configuration under the action of the flow of water under pressure and to return to the original configuration when the flow of water under pressure is stopped. 16. The capsule according to claim 15, wherein an elasticity of the one or more elastically reclosable reduced thickness areas is higher than an elasticity of said one or more strengthening ribs. 17. The capsule according to claim 9, wherein said one or more strengthening ribs are located inside the capsule. 18. The capsule according to claim 9, wherein at least one of said one or more strengthening ribs comprises a base portion substantially parallel and adjacent to said entry surface and an arm at each extremity of said base portion so that the at least one of said strengthening ribs is substantially U-shaped. 19. The capsule according to claim 9, wherein at least one of said one or more strengthening ribs comprises a first portion substantially parallel and adjacent to said side wall and a second portion substantially parallel and adjacent to said entry surface so that the at least one of said one or more strengthening ribs is substantially L-shaped. 20. A method for producing beverages by means of a capsule according to claim 1, wherein said method comprises the following step: flowing water under pressure against the entry surface of the capsule so as to open the one or more elastically reclosable reduced thickness areas of the entry surface so as to allow the flow of water under pressure to enter the capsule, wherein the one or more elastically reclosable reduced thickness areas made of elastic material return to the closing position when the flow of water under pressure is stopped, after having being opened by the flow of water under pressure. 21. The method according to claim 20, further comprising the following step: punching of an exit surface of the capsule opposed with respect to said entry surface so as to allow a beverage to exit from the capsule. 22. A capsule for containing a product used for making an infusion beverage with fluid under pressure comprising: a cup-shape with sidewalls and a bottom entry surface opposing an open end wherein the bottom entry surface has a first thickness and a strengthening riba seal placed over the open end;an elastically reclosable area of reduced thickness relative to the first thickness of the bottom entry surface placed in the bottom entry surface, wherein said elastically reclosable area is made of an elastic material that has sufficient elasticity to open with a force of the fluid under pressure and close without the force of the fluid under pressure,whereby when the fluid under pressure is applied to the bottom entry surface said elastically reclosable area opens and when the fluid under pressure is stopped said elastically reclosable area returns to a closed position preventing undesired flow of the infusion beverage from said capsule once said capsule has been used. 23. The capsule as in claim 22 wherein: wherein said elastically reclosable area comprises a plurality of elastically reclosable areas extending radially from a center of the bottom entry surface;wherein said strengthening rib comprises a plurality of strengthening ribs extending radially from a center of the bottom entry surface; andwherein one each of the plurality of elastically reclosable areas is placed between pairs of the plurality of strengthening ribs.
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이 특허에 인용된 특허 (2)
Favre Eric (Le Mont-Pelerin CHX), Capsule for beverage preparation.
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