Precharged ground coffee capsule, method for its production...

Details Precharged ground coffee capsule, method for its production... Precharged ground coffee capsule, method for its production...

2011-03-22

2011-03-22

McNeil, Jennifer C (Department: 1789)

Food or edible material: processes, compositions, and products

Foraminous material infusion type, or foraminous container...

C426S084000, C426S425000, C426S433000, C426S432000, C426S594000, C426S595000, C099S295000, C099S323000, C099S279000

Reexamination Certificate

active

07910145

ABSTRACT:
Taught herein are a precharged ground coffee capsule comprising a polygonal cross-section container body made of a liquid-impermeable material, the container body having an open end and a large axial opening formed in a bottom wall of the container body, two walls made of a liquid-permeable material being arranged on the open end and at the bottom wall respectively, the liquid-impermeable material comprising a metallic material support layer and a thermoplastic material layer, the thermoplastic material layer facing the interior of the container body, the permeable walls being coupled to the container body through the thermoplastic material layer, an outwardly projecting radial flange being provided at the open end of the container body; a method for producing the capsule; and an apparatus for implementing the method.

REFERENCES:
patent: 3445237 (1969-05-01), Gidge
patent: 3823656 (1974-07-01), Vander Veken
patent: 4136202 (1979-01-01), Favre
patent: 5656311 (1997-08-01), Fond
patent: 5897899 (1999-04-01), Fond
patent: 6740345 (2004-05-01), Cai
patent: 2002/0048621 (2002-04-01), Boyd et al.
patent: 2005/0150390 (2005-07-01), Schifferle
patent: 1555218 (2005-07-01), None
patent: 1579791 (2005-09-01), None

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