Patent ID: 6129045
Filing Date: 2000-10-10
Classification: C23C,C30B,Y10S,Y10T

Abstract:
An apparatus for exchanging an atmosphere surrounding a spherical object comprising:spiral stream formation means for allowing a carrier fluid to flow in from a tangent direction of a tubular flow passage and forming a spiral stream of the carrier fluid;a supply pipe for supplying a spherical object together with a first atmosphere;a first atmosphere suction and discharge section for bringing the first atmosphere containing the spherical object into contact with the spiral stream in the proximity of an exit of said supply pipe for guiding the spherical object so that the spherical object passes through a center and selectively sucking outward and discharging the first atmosphere together with the spiral stream for removing the first atmosphere; anda second atmosphere supply section for supplying a second fluid for forming a second atmosphere to the spherical object sent out from said suction and discharge section for sending out the spherical object together with the second fluid.