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Device for preparing a liquid beverage from a cartridge

A material box and equipment technology, applied in the direction of beverage preparation equipment, application, thin material processing, etc., can solve problems such as unhygienic, peeling, material box crushing, etc.

Active Publication Date: 2010-03-10
NESTEC SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, systems such as this are still relatively complex and require a good fit between the fluid unit of the machine and the injector belonging to the cartridge holder when connecting
Fitting accuracy is difficult to achieve and may be adversely affected during use of the system
This system may also pose the problem that, when the cartridge is pressurized, peeling may occur in the area where the membrane forming the injection face is sealed against the edge of the cartridge body
When clamping is applied to the cartridge itself, a firm grip on the seal itself may cause the cartridge to be crushed, or alternatively may cause the seal and thus the sealing condition to deteriorate rather quickly
Another problem is that if the seal is performed around the edge of the cartridge, the injection fluid may partially cover the outer surface of the cartridge and this is not hygienic

Method used

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  • Device for preparing a liquid beverage from a cartridge
  • Device for preparing a liquid beverage from a cartridge
  • Device for preparing a liquid beverage from a cartridge

Examples

Experimental program
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Effect test

Embodiment Construction

[0096] figure 1 A system for dispensing liquid prepared from a cartridge is shown in simplified form, comprising a device or appliance 1 and a cartridge 10 suitable for said device. The liquid may be a hot or cold drink such as coffee, cappuccino or tea, or some other food preparation such as a sauce, soup or the like.

[0097] Each pod contains one or more food ingredients in solid, liquid, gel or paste form. It can contain, for example, roasted ground coffee powder, instant coffee, milk powder or liquid concentrate, cocoa or tea in leaf or soluble form.

[0098] The cartridge is advantageously of the type described in EP 1472156 B1. In particular, the cartridge may comprise an injection wall 3 in the form of a flexible membrane through which the fluid (i.e. a quantity of hot or cold water) is injected from the supply unit and a duct 44 for directing the prepared liquid directly into the cup middle. The membrane may be attached on the sealing edge of the cartridge body. ...

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Abstract

The device has a capsule holder receiving and supporting a capsule and detachable from a pressurized fluid supply unit. An injection unit (5) is provided through an injection support i.e. disc, of thesupply unit, and movable in engagement to the capsule. An elastic ring (16) is associated with the injection unit for carrying out local and direct sealing between the injection unit and an injectionwall of the capsule. An activation system applies a locking effort of the supply unit against a support side (40) of the capsule holder and an edge (34) of the capsule. An independent claim is also included for a method for reducing liquid resurgence or gas-liquid mixture through an injection point of a capsule.

Description

technical field [0001] The invention relates to a device for preparing a liquid beverage from a cartridge. The invention relates in particular to the preparation of hot or cold drinks from a cartridge containing one or more food ingredients. Background technique [0002] There are various types of systems for preparing beverages from cartridges. It is preferably desirable to insert the cartridge into the machine in a rather straightforward and uncomplicated manner, and to allow easy removal of the cartridge after use. [0003] A problem with some systems comprising cartridge support means incorporated in the machine lies in the fact that it is difficult to prevent any contact between the beverage and the machine. These systems are not suitable for multi-beverage use due to the frequent contact between the beverage and the cartridge support. This creates cross-contamination issues and hygiene issues, especially in the case of certain ingredients such as milk. [0004] Sys...

Claims

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Application Information

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IPC IPC(8): A47J31/06A47J31/40
CPCA47J31/3695Y10T137/0396A47J31/40A47J31/06
Inventor J-L·德尼萨尔A·迈耶E·博纳奇H·P·普莱奇C·塔隆
Owner NESTEC SA
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