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A sink drain device includes a tubular main body having a tubular surrounding wall that extends along an axis and that defines a drain channel, and a strainer detachably mounted in the tubular main body. The tubular surrounding wall has an internal thread. The strainer has opposite upper and lower surfaces, a side surrounding surface extending downwardly from a periphery of the upper surface, a non-circular operating hole formed in the upper surface and registered with the axis, a plurality of drain holes extending through the upper and lower surfaces and surrounding the operating hole, and an external thread formed on the side surrounding surface, and being threadedly and removably connected to the internal thread.
A sink drain device includes a tubular main body having a tubular surrounding wall that extends along an axis and that defines a drain channel, and a strainer detachably mounted in the tubular main body. The tubular surrounding wall has an internal thread. The strainer has opposite upper and lower surfaces, a side surrounding surface extending downwardly from a periphery of the upper surface, a non-circular operating hole formed in the upper surface and registered with the axis, a plurality of drain holes extending through the upper and lower surfaces and surrounding the operating hole, and an external thread formed on the side surrounding surface, and being threadedly and removably connected to the internal thread.
Sink Drain Device
CHEN TZU-LIANG (author)
2017-07-20
Patent
Electronic Resource
English
IPC:
E03C
DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER
,
Hausinstallationen für Frisch- oder Abwasser