The apparatus for making ice blocks comprises a hollow body containing projecting parts faced downwards. Referigerating fluid and heating fluid are circulated separately through this body. A tray is around the projecting parts in its uppermost position. This tray is supported by a mechanism between an...http://www.google.co.uk/patents/US4207750?utm_source=gb-gplus-sharePatent US4207750 - Apparatus for making ice blocks
