Resources Contact Us Home
Corrugated leaching chamber

Image Number 10 for United States Patent #7189027.

A continuous curve arch shape cross section leaching chamber made of molded thermoplastic has closely spaced corrugations and sidewalls which are perforated with slots which slope downwardly, running from interior to exterior of the chamber. The slot height and or wall thickness vary with slot clevation from the base, to achieve a desired minimum Soil Threshold Angle in the slots, where said Angle parameter relates to resistance to entry of surrounding soil. Slotted wall thickness is less than about two times the thickness of the basic chamber wall thickness elsewhere. The chamber has properties and performance approximating prior art chambers, but has substantially less normalized weight and total weight.

  Recently Added Patents
Reliable event broadcaster with multiplexing and bandwidth control functions
Systems and methods for computer-aided fold detection
Blue box
Audio and music data transmission medium and transmission protocol
Active gate drive circuit
Reception circuit and signal reception method
Superagonistic anti-CD28 antibodies
  Randomly Featured Patents
Device and method for a wiping system
Method of manufacturing CMOS with silicide contacts
Rear structure of motorcycle
Thermal transmission control of wireless data modem
Bandwidth guaranteed provisioning in network-based mobile virtual private network (VPN) services
Osmotic device for administering certain drugs
Structure and method for a fast recovery rectifier structure
Tool for stripping cables, in particular constituted cables
Heteropolymeric protein production methods
Moldable charger with shape-sensing means for an implantable pulse generator