Patent ID: 6491431
Filing Date: 2002-12-10
Classification: E02B

Abstract:
A structural construction comprisinga mat having a top side and having a bottom side, wherein the top side of the mat is covered with a first member selected from the group consisting of hook-and-loop male sticking elements and hook-and-loop female connecting elements, and wherein the bottom side of the mat is covered with a second member selected from the group consisting of hook-and-loop male sticking elements and hook-and-loop female connecting elements; an envelope having a top side and having a bottom side, wherein the top side of the envelope is covered with a third member selected from the group consisting of hook-and-loop male sticking elements and hook-and-loop female connecting elements and different from the second member, and wherein the bottom side of the envelope is covered with a fourth member selected from the group consisting of hook-and-loop male sticking elements and hook-and-loop female connecting elements and different from the first member.