Patents Assigned to Decol Co., Ltd.
  • Metal strip for preventing invasion
    Patent number: 4404778
    Abstract: A barbed metal tape or strip for preventing invasion of any bird, animal or unauthorized person into a building, or the like comprises a multiplicity of V-shaped projections extending from its surface substantially perpendicularly thereto, and positioned close to one another so that a force acting on the strip may be uniformly distributed on the projections. It is extremely effective for crime prevention, maintenance of safety, protection of buildings, etc., and easy to install.
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: September 20, 1983
    Assignee: Decol Co., Ltd.
    Inventor: Chuji Ushimaru