Metal working – Method of mechanical manufacture – Gas and water specific plumbing component making
Reexamination Certificate
2007-02-01
2010-02-09
Yao, Sam Chuan C (Department: 4176)
Metal working
Method of mechanical manufacture
Gas and water specific plumbing component making
C029S890144, C264S238000, C425S577000, C222S144500, C222S129100
Reexamination Certificate
active
07658006
ABSTRACT:
In a method of manufacturing a beverage dispensing head, a first section is molded to include an exit channel and a first portion of a valve bore. A second section is molded to include an entry channel, a passage through the second section, and a second portion of the valve bore. A third section is molded to include a passage through the third section and a third portion of the valve bore. The first section is mated with the second section and the second section is mated with the third section to form a handle including a passageway therethrough. The mating of the first section with the second section and the second section with the third section aligns the first portion with the second portion and the second portion with the third portion to form the valve bore for the passageway. In addition, the entry channel is sealed to form a fluid entry aperture and a fluid entry conduit for the passageway. Further, the exit channel is sealed to form a portion of a fluid exit conduit for the passageway. Still further, the exit channel aligns with the passages to form a portion of the fluid exit conduit and to provide a fluid exit aperture for the passageway. After forming the handle, a valve assembly is placed within the valve bore, and a valve actuator assembly is mounted onto the handle. A nozzle is secured to the handle such that the fluid exit aperture communicates with the nozzle.
REFERENCES:
patent: 4921140 (1990-05-01), Belcham
patent: 4986449 (1991-01-01), Valiyee et al.
patent: 6322051 (2001-11-01), Salmela
Besler Christopher
Makay Christopher L.
Schroeder Industries Inc.
Yao Sam Chuan C
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