Pliant Media Blasting Device

Author:  Lynn, William
Source:  US Patent 5,207,034
Doc ID:  1993029
Year of Publication:  1993
Abstract:  
The invention relates to a pliant particulate media device which includes an air source for supplying air pressure to a supply container, containing a quantity of plaint 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 system for separating the plaint blasting media from the debris and the other unwanted materials and a system for removing undesired liquids and chemicals from the pliant blasting media after use.