Conveyors: fluid current – Having means for maintaining load in suspension along flow path – By load supporting jets
Patent
1992-12-29
1994-04-05
Mitchell, David M.
Conveyors: fluid current
Having means for maintaining load in suspension along flow path
By load supporting jets
406191, 406193, B65G 5103
Patent
active
052998894
ABSTRACT:
A pneumatic conveyor apparatus for conveying articles, such as empty aluminum cans and plastic bottles, includes first and second air ducts for supplying pneumatic pressure to move the articles along a predetermined path. The first and second air ducts are positionable on respective opposite sides of the path. The first air duct has a first plurality of vents in a laterally facing surface thereof and the second air duct has a second plurality of vents in a laterally facing surface thereof. The first and second plurality of vents cooperate to direct a flow of air on the articles to move the articles along the predetermined path and to exert a lifting force on the articles as the articles are moved downstream. In one embodiment, selected ones of the first and second plurality of vents are inclined at respective predetermined angles of inclination for exerting a lifting force on the articles as the articles are moved along the predetermined path. In another embodiment, selected ones of the air vents are positionable for directing a flow of air on the respective bottom surfaces of the articles to provide the lifting force.
REFERENCES:
patent: 711964 (1902-10-01), Heaton
patent: 3734567 (1973-05-01), Fong
patent: 3747922 (1973-07-01), Groeber
patent: 3941070 (1976-03-01), Kaminski
patent: 4284370 (1981-08-01), Danler et al.
patent: 5028174 (1991-07-01), Karass
patent: 5161919 (1992-11-01), Smith et al.
Langenbeck Grandchildren's Irrevocable Trust
McCord W. Kirk
Mitchell David M.
Pike Andrew C.
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