Patents Assigned to International Barrier Corporation
  • Roadway barrier
    Patent number: 5054954
    Abstract: An elongated roadway barrier deformable under impact to redirect a vehicle striking the barrier. The barrier includes a plurality of panels arranged in parallel, spaced rows to define a filler cavity. A filler material is disposed in the cavity to support the barrier and to provide a medium for dissipating impact energy. The filler material is stabilized by a bonding agent and has a shear strength of at least about 30 psi and a compressive strength less than about 1200 psi.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: October 8, 1991
    Assignee: International Barrier Corporation
    Inventors: Lincoln C. Cobb, Teddy J. Hirsch
  • Roadway barrier
    Patent number: 4423854
    Abstract: A roadway barrier component adapted to be assembled on a supporting surface with corresponding barrier components removably connected to opposed ends thereof for forming an elongated dismountable roadway barrier for flanking a roadway, the barrier being deformable under vehicle impact to gradually redirect a straying vehicle coming into contact therewith.
    Type: Grant
    Filed: November 7, 1980
    Date of Patent: January 3, 1984
    Assignee: International Barrier Corporation
    Inventors: Lincoln C. Cobb, Raymond A. Wardell