In the case of common trough mangles (1) used for the smoothing and drying of wet laundry pieces (11) wherein the hollow rollers (2) provided with roller wrappings (3) are only partially surrounded by heated pressing troughs (4, 5), a considerable amount of energy is wasted due to the absorption of cooler...http://www.google.es/patents/US4599814?utm_source=gb-gplus-sharePatente US4599814 - Method and equipment for mangling wet laundry
