Patent ID: 9216556
Filing Date: 2015-12-22
Classification: B23B,B29C,B32B,Y10T

Abstract:
1. A composite sandwich structure, comprising: a first facesheet and a second facesheet, each comprising composite laminate facesheets; a core including a plurality of core segments sandwiched between the first and second facesheets, the plurality of core segments having a first core segment and a second core segment; and an arrestment feature between the core and each of the first facesheet and the second facesheet for arresting the propagation of an inconsistency in the structure, wherein the arrestment feature wraps around two sides of the first core segment and two sides of the second core segment such that the first facesheet and the second facesheet are both in contact with portions of the arrestment feature; the arrestment feature comprises a first wrap and a second wrap, wherein the first wrap and the second wrap both are generally C-shaped in cross section; the first wrap covers three sides of the first core segment the second wrap covers three sides of the second core segment at least one of a first strap overlies a joint the first strap is sandwiched between the first facesheet and both the first wrap and the second wrap; at least one of a second strap overlies the joint; and the second strap is sandwiched between the second facesheet and both the first wrap and the second wrap.