Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Having interior filter or guide
Reexamination Certificate
2003-11-14
2008-10-14
Tran, Len (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Rigid fluid confining distributor
Having interior filter or guide
C239S589000, C239S602000, C239S600000, C604S198000, C604S110000, C604S218000, C604S195000
Reexamination Certificate
active
07434753
ABSTRACT:
A novel hub design that enables removal of nozzle core for disposal while the hub is retained for reuse. The reusable hub provides a cost advantage over a one-piece metal design, enabling the use of a dispensing system that is of high quality and low cost to proliferate the use of the technology in the industry. Using this method, a nozzle hub dispensing system has a very favorable impact on the environment, 90% less hazardous waste with a reusable hub system, as only the lightweight cores are disposed. This nozzle hub provides a positive locking, tool-less mechanical connection of nozzle core to hub, which offers a financial advantage over competitive products.
REFERENCES:
patent: 4994029 (1991-02-01), Rohrbough
patent: 5341993 (1994-08-01), Haber et al.
patent: 5573281 (1996-11-01), Keller
patent: 6610042 (2003-08-01), Leon et al.
patent: 6932280 (2005-08-01), Crouch
Hogan James S
Tran Len
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