Centrifugal type extraction cell having a deformable sealing joi

Details Centrifugal type extraction cell having a deformable sealing joi Centrifugal type extraction cell having a deformable sealing joi

1995-07-14

1996-10-22

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

210351, 210356, 494 48, A47J 3122

Patent

active

055666051

ABSTRACT:
An extraction cell of the centrifugal type for a hot beverage preparation machine, including a grounds collection drum on which is mounted, in a sealed manner by a sealing structure, a cover provided with a liquid delivery orifice, and a filtration structure, wherein the filtration structure and the sealing structure are constituted by at least one deformable joint, or seal, interposed in a groove between the drum and cover, the joint having deformation properties, and being mounted to be compressed by an amount which is in a pre-established compression range with the aid of a compression controlling means, to insure that below a pre-established operating pressure existing in the cell, fluid tightness of the cell is maintained, and beyond that pressure, filtration of the grounds-liquid mixture occurs by deformation of the joint.

REFERENCES:
patent: 3025781 (1962-03-01), Bossi
patent: 3453083 (1969-07-01), Beeri
patent: 3812773 (1974-05-01), Hultsch
patent: 3967546 (1976-07-01), Cailliot
patent: 4473002 (1984-09-01), Leuschner
patent: 4476776 (1984-10-01), Greutert
patent: 4641572 (1987-02-01), Varga
patent: 4813923 (1989-03-01), Johansson
patent: 4962693 (1990-10-01), Miwa
French Search Report, 3 Aug., 1994 James D. Hardy, "Body Temperature Regulation", Metabolism, pp. 1417-1455.

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