Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1988-12-28
1990-03-06
Jones, Larry
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
435285, 435287, 435313, 165169, C12M 110
Patent
active
049065785
ABSTRACT:
An aerobic-cultivation tank of vertical type comprises: a closed outer tank structure of cylindrical shape; an internal cooling jacket secured concentrically to the inner wall surface of said tank structure and having a cylindrical space for accommodating a coolant; a plurality of fluid downcast pipes passed vertically through said space and being open at upper and lower ends thereof to upper and lower interior parts of the tank structure; means for passing the coolant through said space; and means for supplying fluid media into the tank structure, whereby, when the fluid media are supplied into the tank structure to a level above the upper ends of the fluid downcast pipes, the fluid media overflow into and descend through said pipes, while being cooled, into a lower interior part of the tank, while a portion of said fluid media in contact with the inner surface of the cooling jacket is also cooled and descends, the fluid media body as a whole thereby undergoing a natural circulatory flow due to convection.
REFERENCES:
patent: 3460810 (1969-08-01), Mueller
patent: 3681200 (1972-08-01), Ridgeway, Jr.
patent: 4746615 (1988-05-01), Buchholz et al.
Konno Hiroyoshi
Kono Shigeo
Suzuki Akira
Jones Larry
Kirin Beer Kabushiki Kaisha
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