Device for the extraction of cartridges

Details Device for the extraction of cartridges Device for the extraction of cartridges

A - Human Necessities

47

J

A47J 31/30 (2006.01) A47J 31/40 (2006.01)

Patent

CA 2072289

- 11 - Abstract A device for the extraction of cartridges The invention relates to a device for the extraction of cartridges containing a substance for the preparation of a beverage which is designed to be fitted to an extraction head (1) comprising a primary water injection system (26,7), a primary tightening ring (2) with tightening ramps (3) coaxial with the water injection system and a seal (4). This device comprises a secondary fixing means, a cartridge holder (14) and a secondary water injector (19,18), the secondary fixing means comprising on the outside tightening lugs (10) designed to engage the tightening ramps of the primary tightening ring and, on the inside, a secondary tightening ring. (11) having tightening ramps (12) engaged by the fixing lugs of the cartridge holder. Fig. 1

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