Resources Contact Us Home
Enhanced triaxial tester with volume change device for measurement of flow properties of dry cohesive particulate systems under low confining pressures

Image Number 6 for United States Patent #7143653.

Disclosed is a triaxial system for testing particulate matter under substantially dry triaxial load conditions comprising: a housing means fillable with confining fluid for providing confining pressure on a sample of dry particulate matter to be tested, the housing having a channel for introduction therein and removal therefrom of the confining fluid, a load piston sealingly extends for providing a load on the sample, sample mounting means for mounting the sample within the housing, the sample mounting means including a top end platen for mounting at the top and a button end platen for disposition at the bottom of the sample, at least one flexible, impermeable membrane for enclosing the surface of the sample other than its ends, fluid passage means connecting the housing to a volume change sensor for freely delivering confining fluid thereto, and a volume change sensor adapted to measure the volume of confining fluid delivered thereto through the fluid passage means. Also disclosed is a test method for employing the above system to test particulate matter.

  Recently Added Patents
Traveling vehicle system and self-diagnosis method for the traveling vehicle system
Front face of vehicle wheel
Analog-to-digital converter control using signal objects
Canopy light fixture
Pressure-sensitive adhesive composition for optical films, pressure-sensitive adhesive optical film and image display
Computerized on-board system for controlling a train
Method for producing an adhesive fastening element made of plastic
  Randomly Featured Patents
Hydraulic jack
Feed device
Diagnostic markers, especially for in vivo imaging, and assays and methods of use thereof
Catadioptric light emitting diode assembly
Radiation detecting device with a photocathode being inclined to a light incident surface
Process for manufacturing a cellulosic paper product exhibiting reduced malodor
Method and apparatus for a user controlled voicemail management system
Vehicle tire
Vehicle drive control apparatus and method
Apparatus and method for detecting a perforation on a web