Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasuyuki Itoigawa0
Keiji Kameishi0
Date of Patent
February 2, 2010
0Patent Application Number
117973420
Date Filed
May 2, 2007
0Patent Primary Examiner
Patent abstract
A hand inserting portion is opened at one surface of a casing or at both the one surface and other surface of the casing. The hand inserting portion includes a space in which hands can be accommodated. A high-pressure-airstream generating unit generates a high-speed airstream. A nozzle is provided on each of two opposing sides of the hand inserting portion, from which the high-speed airstream is jetted into the space of the hand inserting portion. The nozzle includes a hole array formed by arranging a plurality of nozzle holes in a row. Air volume of the high-speed airstream is larger at a central portion of the hole array than at other portions of the hole array.
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