Devices for use with espresso machines
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United States of America Patent
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-
Sep 6, 1994
Issued Date -
N/A
app pub date -
Dec 22, 1993
filing date -
Jul 5, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Devices for extraction of a beverage material contained in a cartridge include an extraction head and a water distributing grill, a cartridge holder and a cartridge holder support which engages tightening ramps of a tightening ring of the extraction head to support the holder. Projecting elements extend from the grill in a direction away from a base of the extraction head. The cartridge holder has a frustoconical inner shape and has a seal incorporated in a rim extension.
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