Steam valve for a coffee maker

Details Steam valve for a coffee maker Steam valve for a coffee maker

2006-03-07

2006-03-07

Alexander, Reginald L. (Department: 1761)

Foods and beverages: apparatus

Beverage

Infusors

C099S279000, C137S543230

Reexamination Certificate

active

07007591

ABSTRACT:
A steam valve for a coffee maker comprises a valve, a valve seat, a valve block, a spring, a steam tube and a cap, wherein the valve has a plate on the top, the valve seat has a through hole, notches interconnected with the through hole, and a conical hole underneath the through hole, the valve block has a conical shape at the top, the valve block is placed in the conical hole, the lower portion of the valve is inserted in the valve block, the upper portion of the steam tube is secured with the valve seat, the lower portion of the valve is inserted into the valve block, the upper portion of the steam tube is secured with the valve seat, the spring seats in the steam tube with its top end urging the valve block to engage with the upper portion of the conical hole of the valve seat, whereas the conical shape of the valve block blocks the through hole and the notches of the valve seat, by pushing the plate of the valve downward, the stem pushes the valve block downward, thus the though hole and the notches are in open status.

REFERENCES:
patent: 3568708 (1971-03-01), Ashman
patent: 5033506 (1991-07-01), Bofinger et al.
patent: 5388502 (1995-02-01), Hufnagl
patent: 6360651 (2002-03-01), Kim et al.
patent: 6647862 (2003-11-01), Lin

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