Apparatus and method for the automated cleaning of articles
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47L-015/00
A47L-025/00
출원번호
UP-0212340
(2005-08-26)
등록번호
US-7725976
(2010-06-22)
발명자
/ 주소
Crank, Douglas
Johnson, Jr., Arthur H.
Meyers, William F.
Allen, Clinton L.
출원인 / 주소
The Sherwin-Williams Company
대리인 / 주소
Fuhrer, Eryne Ace
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
An apparatus, formulation and method for cleaning soils, such as paint drips or splashes, from the outside surface of filled aerosol paint cans and other articles is provided. The apparatus comprises a plurality of reservoirs containing liquids for cleaning and rinsing articles. Articles to be clean
An apparatus, formulation and method for cleaning soils, such as paint drips or splashes, from the outside surface of filled aerosol paint cans and other articles is provided. The apparatus comprises a plurality of reservoirs containing liquids for cleaning and rinsing articles. Articles to be cleaned travel on a conveyor system comprised of one or more mechanical conveyors. During the cleaning operation, one or more brushes apply cleaning solution to the articles, an air knife blows excess cleaning solution and/or solid soils off of the articles, and a jet spray rinses the articles. Another air knife may be used to dry the cleaned articles. The apparatus also includes a plurality of recirculation devices for removing solids from the cleaning and rinsing liquids so that these liquids may be reused in the cleaning operations. A cleaning formulation comprised of a glycol ether and hydrocarbon solvent is also provided.
대표청구항▼
The invention claimed is: 1. An apparatus for cleaning articles, the apparatus comprising: a first reservoir for holding a first liquid; a first conveyor running through said first reservoir; a second reservoir for holding a second liquid; a second conveyor running through said second reservoir; a
The invention claimed is: 1. An apparatus for cleaning articles, the apparatus comprising: a first reservoir for holding a first liquid; a first conveyor running through said first reservoir; a second reservoir for holding a second liquid; a second conveyor running through said second reservoir; a pair of rotatable brushes positioned above said first conveyor; a first distribution manifold adapted to apply liquid from said first reservoir onto said pair of rotatable brushes; a first pump for delivering liquid from said first reservoir to said distribution manifold; a first filter system positioned between said first reservoir and said first pump; an air knife positioned above said first conveyor; a second distribution manifold positioned above said second conveyor; a second pump for delivering liquid from said second reservoir to said distribution manifold; a second filter system positioned between said second reservoir and said second pump; and a plate positioned between said first and second conveyors, said plate adapted to receive an article as said article passes from said first conveyor. 2. The apparatus as recited in claim 1, wherein said first liquid is a cleaning solution. 3. The apparatus as recited in claim 2, wherein said cleaning solution comprises a mixture of a glycol ether and an insoparaffin hydrocarbon solvent. 4. The apparatus as recited in claim 2, wherein the cleaning solution comprises a mixture of propylene glycol mono-n-propyl ether and a mixture of C13-C16 isolakanes. 5. The apparatus as recited in claim 4, wherein the propylene glycol n-propyl ether comprises about 50% by weight of the cleaning solution and the mixture of C13-C16 isoalkanes comprises about 50% by weight of the cleaning solution. 6. The apparatus as recited in claim 4, wherein the second liquid is water. 7. The apparatus as recited in claim 1, wherein said article is a filled aerosol paint can. 8. An apparatus for washing articles using a cleaning solution and water, the apparatus comprising: an elongated cleaning solution reservoir comprising a lower section, a pair of lateral side walls extending upwardly from said lower section, and first and second end walls enclosing opposite ends of said lower section and said lateral side walls; first and second tunnels formed in each of said first and second walls in said cleaning solution reservoir, wherein said tunnels are adapted to allow an article to pass through said tunnel; a first conveyor running through said cleaning solution reservoir, said conveyor adapted to transport said article through said cleaning solution reservoir; an elongated water reservoir comprising a lower section, a pair of lateral side walls extending upwardly from said section, and first and second end walls enclosing opposite ends of said lower section and said lateral side walls; first and second tunnels formed in each of said first and second end walls, wherein said tunnels are adapted to allow said article to pass through said tunnels; a second conveyor running through said water reservoir, said conveyor adapted to transport said article through said water reservoir; a rectangular plate positioned between said first conveyor and said second conveyor, wherein said plate is level with said first and second conveyors, and wherein a gap of about 0.125 inches separates the plate from each of said first and second conveyors; guide rails for guiding the movement of said article between said first and second conveyor; a first brush, having a plurality of bristles, positioned above said first conveyor proximate to said first end wall of said cleaning solution reservoir, wherein said first brush is mounted on a first rotatable horizontal shaft; a reduction gear transmission connected to said first rotatable horizontal shaft; a motor coupled to said reduction gear transmission; a second brush, having a plurality of bristles, positioned above said first conveyor proximate to said first end wall of said cleaning solution reservoir, wherein said second brush is mounted on a second rotatable horizontal shaft and wherein the bristles of said second brush overlap with the bristles of said first brush so that rotation of said first brush imparts rotational movement to said second brush; a cleaning solution distribution manifold positioned above said first and second brushes for dispensing a cleaning solution from said cleaning solution reservoir onto said brushes; a first pump for pumping cleaning solution from said cleaning solution reservoir to said cleaning solution distribution manifold; a first recirculation device positioned between said cleaning solution reservoir and said first pump, comprising an intake and at least one filter for removing particles from said cleaning solution as it passes through said recirculation device to said first pump; an air knife positioned above said first conveyor proximate to said second end wall of said cleaning solution reservoir; a high pressure water distribution manifold positioned above said second conveyor for dispensing water onto cans traveling on said conveyor in a predetermined pattern; a second pump for pumping water from said water reservoir to said high pressure water distribution manifold; a second recirculation device positioned between said water reservoir and said second pump, comprising an intake and at least one filter for removing particles from water as it passes through said recirculation device to said second pump; a first hood positioned over said cleaning solution reservoir, said brushes, said cleaning distribution manifold, and said air knife; and a second hood positioned over said water reservoir and said water distribution manifold. 9. The apparatus as recited in claim 8 wherein said cleaning solution is a mixture of about 50% by weight propylene glycol mono-n-propyl ether and about 50% by weight C13-C16 isoalkanes. 10. An apparatus for washing filled aerosol paint cans comprising: a reservoir for holding a cleaning liquid; a reservoir for holding a rinse liquid; a conveyor running through said reservoirs; a pair of rotatable brushes positioned above said conveyor for applying said cleaning liquid to said cans; an air knife positioned above said conveyor; a shower head adapted to apply said rinse liquid to said cans; means for filtering said first and second liquids before said cleaning liquid and said rinse liquid are applied to said cans; and guide rails positioned along the conveyor for controlling movement of the cans along the conveyor.
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