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Capsule for preparing a beverage

a beverage and beverage technology, applied in the field of beverage preparation, can solve the problem of not allowing the liquid to flow out through the pierced zone in sufficient degree, and achieve the effect of wide cross section

Inactive Publication Date: 2011-09-01
ETHICAL COFFEE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]By providing the capsule according to the invention with a weakened zone of wide cross section, it is possible to guarantee that there will be outflow space.

Problems solved by technology

If the weakened zone is not of sufficiently wide cross section then the piercing of the capsule by a cutting element will not allow the liquid to flow out sufficiently through the pierced zone.

Method used

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  • Capsule for preparing a beverage
  • Capsule for preparing a beverage
  • Capsule for preparing a beverage

Examples

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Embodiment Construction

[0009]The invention is described in greater detail hereinafter by means of some nonlimiting examples illustrated by the following figures:

[0010]FIG. 1 illustrates a first example of a capsule according to the invention

[0011]FIG. 2 illustrates an alternative form of the top part of the capsule of FIG. 1

[0012]FIG. 3 illustrates another alternative form of the top part of the capsule of FIG. 1

[0013]FIG. 4 shows the inside of the capsule of FIG. 1

[0014]FIG. 5 illustrates an enlargement of part of the inside of the capsule of FIG. 1

[0015]FIG. 6 illustrates a depression on the external face of the side wall

[0016]FIG. 7 shows a second example of a capsule according to the invention

[0017]FIG. 8 shows a third example of a capsule according to the invention

[0018]FIGS. 9 and 10 illustrate the weakened zone positioned on the internal face of the top wall

[0019]FIGS. 11 and 12 illustrate the rupturing of the weakened zone.

[0020]List of numerical references used in the figures:[0021]1. capsule[002...

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Abstract

The invention relates to a capsule for preparing a beverage, for example coffee, comprising a hollow element intended to contain a metered amount, for example of ground coffee, said hollow element including a side wall, a top wall and a bottom wall comprising an extraction membrane; the top wall comprising, on the inner surface thereof, a weakened area capable of moving when an external element exerts a force thereon, thereby providing a passage for the liquid to flow between the outside and the inside of the capsule

Description

FIELD OF THE INVENTION[0001]The present invention falls within the field of the preparation of beverages, e.g. coffee-based beverages, by extraction of a concentrated portion, e.g. of ground coffee, contained in a capsule. It relates more specifically to the portions used for this purpose and to the devices that use such portions.PRIOR ART[0002]Capsules and machines operating on the abovementioned principle have been in existence for many decades.[0003]Patents U.S. Pat. No. 2,899,886, U.S. Pat. No. 2,968,560, U.S. Pat. No. 3,403,617 and U.S. Pat. No. 3,607,297 describe devices in which the capsule is first of all perforated at several points, then has water pass through it under pressure.[0004]The capsule described in patent CH 605 293 or in patent EP 0 242 556 B1 comprises a membrane in its lower part. Water under pressure is first of all introduced into the top part of the capsule, after said capsule has been pierced by means of a cutting element (e.g. a blade), and this causes th...

Claims

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Application Information

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IPC IPC(8): B65B29/02
CPCB65D85/8043B65D65/466B65D85/8046
Inventor MARILLER, ALAIN
Owner ETHICAL COFFEE COMPANY
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