Patent ID: 9371177
Filing Date: 2016-06-21
CPC Classification: A47J,B65D

Claim Text:
1. A coffee pod which can be used in machines for preparing and dispensing coffee beverages of the type comprising at least one extraction chamber and at least one tamping piston to tamp a determined quantity of ground coffee inserted in said extraction chamber, said pod comprising: about 5 to 15 g of compacted aggregate of ground coffee, said compacted aggregate having a density that is about 0.65 to 0.75 kg/dm an external filtering casing formed of at least one permeable, microporous or micro-perforated sheet or film trapping and following the contour of and molded against said compacted aggregate of coffee, wherein said sheet or said film is flexible having stretch properties with an ultimate elongation of at least 30%, an ultimate tensile strength of less than 2,000 N/m and a thickness of about 150 to 500 μm wherein said casing presents solidity and stretch properties allowing de-compacting of the coffee aggregate contained in the casing, by changing shape and increasing volume and allowing the swelling of the moistened pod after injection of pressurized water through the casing, without the casing becoming torn via compression.