Hydraulic sealing assembly for a beverage machine brewing head
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United States of America Patent
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Aug 31, 2010
Issued Date -
N/A
app pub date -
Aug 21, 2006
filing date -
Aug 21, 2006
priority date (Note) -
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status (Latency Note)
Importance
Abstract
This invention uses a hydraulic system to seal the brew chamber of a coffee maker. The sealing mechanism consists of a heating part, sealing part and slider drawer. The heating part provides the hot water and forms a chamber that allows the piston seal to expand for sealing. The slide drawer is the region where the coffee is extracted and the crema is created. The claimed invention differs from that previously known in the art in that it does not employ a mechanical locking system but rather a hydraulic system for locking. This results in a tighter and more secure lock fit of the brew chamber than previously has been known in the art. In addition, because a hydraulic system for locking is used, locking of the brew chamber is accomplished without manual force.
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