Toilets with trapways having an air dam

Details Toilets with trapways having an air dam Toilets with trapways having an air dam

2005-09-20

2005-09-20

Phillips, Charles E. (Department: 3751)

Baths, closets, sinks, and spittoons

Flush closet

Bowl

Reexamination Certificate

active

06944891

ABSTRACT:
A toilet has a trapway extending between a bowl opening and an outlet opening. The trapway defines a curved water dam region above the bowl opening, a down leg, and a straight out leg between the down leg and the outlet opening. The out leg has an air dam cavity such that the trapway has an increased cross-sectional area at the air dam.

REFERENCES:
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patent: 5918325 (1999-07-01), Arita et al.
patent: 5983413 (1999-11-01), Hayashi et al.
patent: 6145138 (2000-11-01), Nakamura et al.
patent: 6292956 (2001-09-01), Kayahara

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