Patent ID: 6797160
Filing Date: 2004-09-28
Classification: A47J

Abstract:
A percolating steeper, comprises a carafe, a cover body, a filter layer, an isolating layer and a control element, and further comprising a tight unit disposed on a circumferential rim of the isolating layer to contact the carafe, and at least one free moving non-return unit and one passive non-return unit disposed on the isolating layer, the control element indirectly controlling downward or upward movement of the isolating layer and the filter layer by means of the at least one passive non-return unit, and both the at least one free-moving non-return unit and the at least one passive non-return unit comprising a cover body with holes; a valve body situated in a valve door formed on the isolating layer wherein the valve door comprises a valve hole which extends through the isolating layer, and the tight unit of the isolating layer and the tight point of the carafe are disposed higher than the lowest feed water surface in a lower end surface of the isolating layer being used for conducting liquid into the valve hole and with this elevation difference, the visual effect of air isolation is generated when a substance and an infusion is separated.