Method and apparatus for treating surfaces of an article with a

Details Method and apparatus for treating surfaces of an article with a Method and apparatus for treating surfaces of an article with a

1977-12-06

1979-05-01

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 21, 134 22R, 134 25R, 134 30, 134 34, 134 40, 134 48, 134 50, 134 54, 134105, 134170, 118 59, 118602, 427235, 427345, 427350, 427379, B08B 704, B08B 900

Patent

active

041521730

ABSTRACT:
Apparatus for treating open-mouthed cylindrical containers with a fluid adapted to coat, clean or react chemically with the surface of the containers, comprises a turret fitted with pot assemblies spaced around its periphery, each pot assembly having an internal cavity for reception of a container and a lid for closing the cavity, conduit means for passing fluid through the cavity of each pot assembly, a first pump operable to circulate the fluid in a liquid phase from a reservoir through the conduit means and each cavity so that the liquid flows along the surfaces of a container in the cavity and effects treatment of the surfaces, a second pump operable to circulate the fluid in a gaseous phase from a source thereof through the conduit means and each cavity so as to purge liquid from the cavity, a third pump operable to extract fluid in the gaseous phase from each cavity through the conduit means and thereby reduce the pressure therein so as to effect drying of the container and cavity by vaporization of any liquid therein, and a distributor for connecting each of the pumps in succession to the conduit means of each pot assembly in synchronism with rotation of the turret. The gaseous fluid extracted by the third pump from the pot assemblies is compressed and utilized to form the gaseous fluid used in purging liquid from other pot assemblies. The apparatus is particularly suitable for use with toxic fluids since all the fluid remaining on the containers after treatment is removed therefrom for use in subsequent treatment operations.

REFERENCES:
patent: 1972711 (1934-09-01), Kendall
patent: 2650178 (1953-08-01), Martin et al.
patent: 2846335 (1958-08-01), Alholm et al.
patent: 2848353 (1958-08-01), Norris
patent: 4026311 (1977-05-01), Jackson
patent: 4042416 (1977-08-01), Miskech

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