| 摘要 |
The present invention relates to a heat exchanger comprising a sheet (1) having a multiplicity of passages (11) therein as described in which each end is closed by a manifold portion (14) defining a manifold space and an inlet and/or outlet communicating with at least one of said manifold portions characterised in that the manifold portion is formed by severing a plurality of juxtaposed dividing walls (12) towards each end of the sheet and then closing the ends of the sheet whereby groups of conduits within said sheet portion are interconnected by the manifold portion so formed. |
