Patents Assigned to Sponge-Jet, Inc.
  • Patent number: 5146716
    Abstract: The invention relates to a pliant particulate media method which utilizes providing an air source for supplying air pressure to a supply container, containing a quantity of pliant blasting media, and a discharge line. The container is connected with a mechanical feed device that positively meters out a desired quantity of blasting media into a discharge line which conveys the blasting media to a discharge nozzle where it is discharged against a surface to be treated to achieve the desired treatment. The invention additionally relates to a recovery method for separating the pliant blasting media from the debris and the other unwanted materials and a method for removing undesired liquids and chemicals from the pliant blasting media after use.
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: September 15, 1992
    Assignee: Sponge-Jet, Inc.
    Inventor: William R. Lynn