Baths – closets – sinks – and spittoons – Flush closet – Bowl
Reexamination Certificate
2008-07-01
2008-07-01
Phillips, Charles E. (Department: 3751)
Baths, closets, sinks, and spittoons
Flush closet
Bowl
Reexamination Certificate
active
07392550
ABSTRACT:
A muffling apparatus capable of attaining the prevention of the occurrence of a noise reliably while making concrete the reduction of the manufacturing cost and the easiness of the assembling of the same apparatus, and a feed water apparatus having such a muffling effect are provided. The muffling apparatus2is an apparatus connected to a jet pipe1adapted to send out the water, which flows in a feed water passage1ain the interior thereof, into storage water W. The apparatus has a tubular portion4connected to an upstream side portion of the jet pipe1so that the tubular portion4extend downward, and having therein a water supply passage4acommunicating with the feed water passage1a, and a housing3connected water-tightly to an upstream side portion of the jet pipe1and an upper section of the tubular portion4, enclosing a lower section of the tubular portion4, connected water-tightly to a downstream side portion of the jet pipe1, and capable of storing the air, which is in the interior of the jet pipe1, in the portion of the interior of the housing3which is outside the tubular portion4. The tubular portion4is provided at an upper section thereof with an air hole4bmade through a wall thereof so as to communicate the water supply passage4awith the interior of the housing3.
REFERENCES:
patent: 1630861 (1927-05-01), Opdyke
patent: 5832546 (1998-11-01), Inch
patent: 4-177051 (1992-06-01), None
patent: 2002-106044 (2002-04-01), None
patent: 2003-147841 (2003-05-01), None
Ito Ken-ichi
Miwa Koji
Inax Corporation
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Phillips Charles E.
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