Capsule, device and method for preparing a beverage by extraction
A container and beverage technology, applied in a device for preparing beverages, such a container, an assembly of such a container and a device, and the field of perforated structures, to achieve the effect of improving sealing
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[0025] figure 1 shows a perspective view of a first embodiment of a container 1 according to the invention, and figure 2 A cross section is shown. The container 1 comprises for this purpose a substantially frusto-conical (frusto-conical) housing 2 at least partially filled with a substance to be extracted and / or dissolved, such as ground coffee, tea, cocoa, milk powder, etc. The housing 2 comprises a perforable upper wall 3 forming the supply side of the container 1 . The upper wall will be perforated in the container holder of the device for preparing beverages, after which water (in practice usually a mixture of water and gas) is pressed into the container 1 at a pressure between 1 and 20 bar. The housing 2 also comprises a peripheral wall 4 integrally connected to the upper wall 3 and tapering to a certain extent in the direction of the upper wall 3 , wherein in the case shown the peripheral wall 4 encloses an angle between 5° and 7° from the vertical. °, this angle of...
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