Device and method for removing asbestos-containing material from

Details Device and method for removing asbestos-containing material from Device and method for removing asbestos-containing material from

1989-04-26

1991-09-10

Pal, Asok

Cleaning and liquid contact with solids

Processes

Including use of vacuum, suction, or inert atmosphere

15364, 15383, 51273, 134 32, 134 251, 2104161, 210513, B08B 100, B08B 304, B08B 1300

Patent

active

050470892

ABSTRACT:
A device for removing and cleaning asbestos containing material from a surface is disclosd. The device has a housing which is moved in a path to clear a swath of asbestos-containing material from a surface. A plurality of knives are positioned on an open face of the housing to make a plurality of incisions in the asbestos-containing material layer as the housing is moved along the surface. A scraping blade trailing the knives scrapes the asbestos-containing material from between the incisions. A sheet of water from a pressurized source is sprayed onto the scraped surface at an oblique angle to wash residual asbestos-containing material from the surface. The liquid spray and asbestos-containing material is aspirated together by a vacuum source connected to the housing, and the mixture of liquid and asbestos-containing material is removed in a separating receptacle.

REFERENCES:
patent: 3711891 (1973-01-01), Conway
patent: 3843198 (1974-10-01), Reynolds
patent: 4158575 (1979-01-01), Townsend
patent: 4274676 (1981-06-01), Chapel
patent: 4438977 (1984-03-01), Chapel
patent: 4547928 (1985-10-01), Ludscheidt

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