Cleaning and liquid contact with solids – Processes – Work handled in bulk or groups
Patent
1986-01-21
1986-10-14
Coe, Philip R.
Cleaning and liquid contact with solids
Processes
Work handled in bulk or groups
134 26, 422 28, B08B 304
Patent
active
046170650
ABSTRACT:
A method for disinfecting articles placed within an apparatus for use with a conventional supply of fluid. The apparatus includes an outer vessel, an inner vessel so disposed within the outer vessel that an outer chamber is defined therebetween, means for covering the inner vessel, means of introducing fluid into the inner vessel, and means for selectively draining the inner and outer vessels. There may also be means for agitating the fluid in the inner vessel. The method includes the step of washing the articles, rinsing with fluid, so applying disinfectant to the articles that the disinfectant fills the inner vessel and flows through an interface between the inner vessel and a cover on the inner vessel to so fill the outer chamber that the inner vessel is submerged, draining the inner and outer vessel, spraying sterile fluid onto the articles, so filling the inner vessel with the sterile fluid that the articles are submerged and the sterile fluid overflows through the interface and over the exterior surface of the cover to establish a direction of flow which prevents the entrance of contaminants into the inner vessel, but does not fill the outer chamber so that the exterior of the inner vessel is not submerged. The sterile fluid flows over the exterior of the inner vessel. The sterile fluid is agitated in the inner vessel, then drained from the inner and outer vessels.
REFERENCES:
patent: 484927 (1892-10-01), Boeckmann
patent: 553561 (1896-01-01), Lundholm
patent: 1433216 (1922-10-01), McCutchen
patent: 1473209 (1923-11-01), Cook
patent: 2314673 (1943-03-01), Walker
patent: 2676088 (1954-04-01), Bilde et al.
American Sterilizer Company
Coe Philip R.
Ethridge Christine R.
Yeager Robert D.
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