Resources Contact Us Home
Pressure-regulating device for use in storage, transportation and disposal of hazardous wastes

Image Number 3 for United States Patent #4826035.

A pressure-regulating device for impact-resistant containers used for storage, transportation and disposal of hazardous waste materials, is herein disclosed, which comprises a vent fixed to the lid of said container to keep the gaseous phase pressure inside said container at a positive pressure of 50% or less of the pressure resistance of said container, the vent being columnar and made of an alumina-based sintered ceramic and having a porosity of 50% or less, a pore diameter range of 0.4 to 1.4 .mu. and a length (mm)/cross-sectional area (mm.sup.2) ratio of 2 to 10.

  Recently Added Patents
Tablet computer
Methods for enhancing tantalum filament life in hot wire chemical vapor deposition processes
Methods and apparatus for preserving privacy in an RFID system
Data processing method
Bus controller for handling split transactions
Light transformation particle and photobioreactor
  Randomly Featured Patents
Maintaining reserved free space at the end of a physical volume for creating new segments of segmented logical volumes in the reserved free space
Gas-barrier laminate
Magnetic recording medium and process for producing the same
Variable DC feed characteristic in a subscriber line interface circuit
Dual LED/incandescent security fixture
Apparatus for manufacturing hams or the like
Combinations of ET-18-O-CH.sub.3and anti-cancer agents for the treatment of cancer
Method of automatic gain control for multiple receiver front-ends
Ferrofluid piston pump for use with heat pipes or the like
Urea- and urethane-substituted acylureas, process for their preparation and their use