Resources Contact Us Home
Drainage valve pipe tap assembly

Image Number 4 for United States Patent #6681796.

A drainage valve tap assembly for connection of a branch line to a main line while simultaneously forming a freeze proof drain comprising a hollow body having a first end and a second end, a cutting tube attached to the first end of the body; a handle having a hollow interior, the handle attached to the second end of the body for rotating the body; and a resilient drain plug extending at least partially in the body for blocking off the flow of water therethrough under a water pressure and for allowing the draining of water therethrough and out of the drainage valve when the water pressure is cut-off.

  Recently Added Patents
Methods and systems for aggregating and graphically representing information associated with a telecommunications circuit
Hybrid interconnect scheme including aluminum metal line in low-k dielectric
Radio communication device and sequence length adjusting method
Toothbrush holder
Plants and seeds of hybrid corn variety CH979678
Scalable architecture for rank order filtering
System for wireless local area network (WLAN) transmission and for coexistence of WLAN and another type of wireless transmission and methods thereof
  Randomly Featured Patents
Magnetic disc arrangements with aerodynamic latch mechanism
Attraction state inspection device, surface mounting apparatus, and part test device
Diaper changing station
Measurement of SC/H phase using a polar display
Multi-domain liquid crystal display device having pixel electrodes with electric field inducing windows
Transmission line apparatus having conductive strips coupled by at least one additional capacitance element
Ski pole handle
Sulfonate ACAT inhibitors
Intravenous pole holder
Combined seal and boot for steering shaft assembly