Provided is a method for reinforcing a foam material in which a working region is first prescribed. A gap that at least partially encloses the prescribed working region in a two-dimensional manner is created in the foam material. A strut is introduced into the foam material, extending from an entry surface...http://www.google.fr/patents/US7891096?utm_source=gb-gplus-shareBrevet US7891096 - Method for reinforcing a foam material as well as a sandwich component
Method for reinforcing a foam material as well as a sandwich component