SETT ATT HOS EN REGENERATIV FUKT- OCH VERMEVEXLARE OMBILDA UTSIDAN AV DESS ICKE-HYGROSKOPISKA FOLIER EL LIKN TILL ETT HYGROSKOPISKT YTSKIKT

摘要

1525067 Moistening air SVENSKA FLAKTFABRIKEN AB 28 June 1976 [24 Nov 1975] 26863/76 Addition to 1496127 Heading B1R A contact body as described in Parent Specification 1496127 wherein the plates and the spacers to hold the plates apart comprise a substrate of non hygroscopic material and an integral layer of hygroscopic material formed therein. The plates are preferably of metal e.g. aluminium with an integral layer of metal oxide formed by oxidizing, heating in a humid atmosphere or pickling. The surface layer may be impregnated with a hygroscopic salt.