| 摘要 |
A cooling element comprises two layers of a foil material (1, 2), fastened to one another by welding connections (14) in such a manner that a compartment (5) closed for liquid is formed between them and at least one of the layers is vapour- transmitting over at least a portion of its surface area. The two layers of foil material comprise thermoplastic plastic, in particular polyurethane, polypropylene or polyethylene. Alternatively or additionally, the layers of foil material comprise a weldable material at least at the sides that face one another, and said connections are formed by welded connections. The layers of foil material and the intermediate layer may be manufactured from thermoplastic plastics. |
