A sandwich structure does not permit the permeation of water and a sandwich structure repairing method is capable of easily repairing the sandwich structure. A sandwich structure (1) includes a core (4) formed of a closed-cell foam plastic material, and surface plates (2, 3) formed of a fiber-reinforced...http://www.google.es/patents/US6770349?utm_source=gb-gplus-sharePatente US6770349 - Sandwich structure and method of repairing the same
Sandwich structure and method of repairing the same
