COOLING ELEMENT EQUIPPED WITH ADSORBENT AND METHOD FOR VACUUMIZING THE COOLING ELEMENT

PROBLEM TO BE SOLVED: To provide an inexpensive adsorption cooling element, for one time use only. SOLUTION: The entire cooling element is air-tightly covered by a gas-tight multilayered sheet. The multilayered sheet is constituted flexibly, and surrounds a control mechanism (3), a working medium vapor duct (4), and an evaporator (2) under negative pressure to run working medium vapor toward the adsorent through only the control mechanism (3) with the evaporator (2) and the working medium steam duct (4) kept flexible. Further, the multilayered sheet incorporates a spacer composed of polypropylene in a region of a sealing seam. A vacuum pump vacuumizes an internal chamber of the cooling element via the spacer, and after the vacuumizing, the spacer is heated to a degree where the spacer melts with a sealing layer of the multilayered sheet and the cooling element gas-tightly vacuumized is formed. COPYRIGHT: (C)2008,JPO&INPIT