Patents Assigned to Nicholson Construction Company
  • Apparatus and method for encapsuling drums containing hazardous wastes
    Patent number: 5443177
    Abstract: Apparatus and method are provided for encapsuling hazardous wastes materials stored in drums. The drum is enclosed in an overcapsule that is grouted to the drum and the contents of the drum are stabilized if necessary with a solidification grout. Once the grouts have set, the overcapsule is positioned onto an undercapsule and grouted to the undercapsule so that the entire capsule with the drum containing hazardous waste inside may safely be transported and stored. The capsule is shaped so that the individual capsules may be stacked one on the other.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: August 22, 1995
    Assignee: Nicholson Construction Company
    Inventors: Lynn M. Crayne, Gary J. Zawada
  • Apparatus and method for encapsuling drums containing hazardous wastes
    Patent number: 5416249
    Abstract: Apparatus and method are provided for encapsuling hazardous wastes materials stored in drums. The drum is enclosed in an overcapsule that is grouted to the drum and the contents of the drum are stabilized if necessary with a solidification grout. Once the grouts have set, the overcapsule is positioned onto an undercapsule and grouted to the undercapsule so that the entire capsule with the drum containing hazardous waste inside may safely be transported and stored. The capsule is shaped so that the individual capsules may be stacked one on the other.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: May 16, 1995
    Assignee: Nicholson Construction Company
    Inventors: Lynn M. Crayne, Gary J. Zawada