Cartridge having sheared thinned areas for promoting opening for

Details Cartridge having sheared thinned areas for promoting opening for Cartridge having sheared thinned areas for promoting opening for

1997-03-20

1999-09-07

Weinstein, Steven

Food or edible material: processes, compositions, and products

Foraminous material infusion type, or foraminous container...

426 84, 426112, 426115, 99295, B65B 2902

Patent

active

059484551

ABSTRACT:
A cartridge which contains a substance for preparation of a beverage and for use for preparation of the beverage. The cartridge has a base, a wall, a rim and a cover. The wall extends from the base to form a cup shape which is substantially a frustum shape, the rim extends from the wall and has a diameter greater than the base and the cover is welded to the rim to contain the substance in the cartridge. The base further has sheared areas thinned, with respect to a base remainder, which extend to define arrangements which are spiral, substantially sinusoidal portions, radial segments and concentric arcs of a circle and which, along a line of each sheared area to define thickness, have a thickness which varies along the line, the sheared areas providing, upon extraction of the substance in the cartridge under pressure, openings through the base for filtering and obtaining the beverage.

REFERENCES:
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patent: 2778739 (1957-01-01), Rodth
patent: 2936695 (1960-05-01), Donot
patent: 3292527 (1966-12-01), Strasse
patent: 3589272 (1971-06-01), Bouladon et al.
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patent: 4167899 (1979-09-01), McCormick
patent: 4292332 (1981-09-01), McHam
patent: 4846052 (1989-07-01), Favre et al.
patent: 5242702 (1993-09-01), Fond
patent: 5472719 (1995-12-01), Favre
patent: 5656311 (1997-08-01), Fond
Baker, Ed., The Wiley Encyclopedia of Packing Technology, John Wiley and Sons, NY, 1986, pp. 48-53 and 270-275.

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