Patent ID: 7829178
Filing Date: 2010-11-09
Classification: B32B,B64C,E04C,Y10T

Abstract:
1. A delamination development preventable structure for a sandwich panel comprising: a core of a foam synthetic resin; two surface plates bonded respectively to opposite surfaces of the core with respect to a direction parallel to a thickness of the core; and delamination development preventing members protruded inward from the two surface plates so as to sink into the core with respect to directions parallel to the thickness of the core, respectively, wherein the delamination development preventing members are sunk into the core with respect to directions parallel to the thickness of the core by a depth not greater than half of the thickness of the core, and wherein the delamination development preventing members have a semicircular cross section having a semicircular arc part and a straight line part, the semicircular arc part being positioned in the core and the straight line part being positioned along a respective one of the two surface plates.