Collecting and packaging hazardous particulate materials

Details Collecting and packaging hazardous particulate materials Collecting and packaging hazardous particulate materials

1988-12-30

1990-11-13

Sipos, John

Package making

Methods

Filling preformed receptacle and closing

53432, 134 21, 134 254, B65B 728

Patent

active

049693115

ABSTRACT:
A method and apparatus is described for vacuum collecting and packaging of particulate materials, such as hazardous radiation contaminated concrete dust generated by floor scabbling, which avoids release of even small quantities of the material into the surrounding air. Each drum is positioned with its open mouth rim closely adjacent to the downwardly facing material-outlet of the vacuum collecting system. In one of the embodiments, an inflatable sealing gasket seals the spacing therebetween during filling. In another embodiment, the vacuum collecting system is vertically movable, and the vacuum collecting head, with a non-inflatable gasket is moved into engagement with the drum to provide the seal during filling. When filled, deflation of the gasket or vertical movement of the vacuum head again provides the narrow spacing, and both the container lid and a cover for the material outlet are passed therethrough. The material outlet cover is held against the outlet by vacuum while the filled container is covered and replaced with an empty container. The disposable cover is then dropped into the second container after is has been similarly sealed to the vacuum system for filling.

REFERENCES:
patent: 1170438 (1916-02-01), Fahrney
patent: 4643776 (1987-02-01), Hollonell
Industrial Portable Vacuum Cleaners, The Total Difference, Bulletin PC-1010A of Hoffman Air & Filtration Systems-3/83.

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