Patent attributes
A device and a method for vacuum-sealing cooling medium is to allow a work piece being vacuumed for the cooling medium being introduced into the work piece. The device provides a first passage, a second passage, a sucking unit, a cooling medium supply unit and a sealing passage. The first passage and the second passage each have an end being connected to the sucking unit and the cooling medium supply unit respectively. The sealing passage communicates with another end of the first passage and another end of the second passage respectively and provides a sealing component, wherein a conveying passage is provided at the sealing component for the work piece being vacuumed or introduced with the cooling medium via said first passage or said second passage.
