Cartridges containing substances for beverage preparation
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United States of America Patent
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Apr 27, 1999
Issued Date -
N/A
app pub date -
Feb 28, 1994
filing date -
May 8, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sealed cartridge, which need have no marks for weakening and inside which, no filter is needed, contains a substance, such as roasted and ground coffee, for being extracted under pressure. The cartridge has a cup having a base and a lateral wall extending from the base to a lip which extends laterally away from the wall about a cup opening, and the cartridge has a cover sealed to the lip to cover the opening. Either the cover or the base provides a tear face which is torn under stress during extraction of the substance under pressure for preparation of a beverage.
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