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
Sealed, waterproof digital electronic camera system and method of fabricating same
System and method of improving audio signals for the hearing impaired
Wireless monitoring in process applications
Structural plasticity in spiking neural networks with symmetric dual of an electronic neuron
ActRIIB proteins and variants and uses therefore relating to utrophin induction for muscular dystrophy therapy
Personalized dashboard architecture for displaying data display applications
Printed circuit board unit having routing unit mounted thereon and computer device having the same
  Randomly Featured Patents
Reclining chair with improved actuation
Circuit structure with conductive and depletion regions to form tunable capacitors and resistors
Polarized optical element having differentiated transmittance properties for use in eye-protecting devices
Industrial robot
Flexible mixing bag for mixing solids, liquids and gases
Rush current prevention circuit
Method and apparatus for supporting multiple versions of a web services protocol
Tremor reduction systems suitable for self-application and use in disabled patients
Golf training aid
Dual-module hole-punching and binding machine