The invention provides a composite material structure comprising a plate having an upper side, an under side and at least first and second beams, each beam having a plurality of faces comprising at least an upper face and a base face and a pair of spaced apart side faces intermediate to and adjoining the upper and base faces, each beam being attached to the underside of the plate at the upper face wherein the first beam has an open ended passage extending between the side faces and the second beam extends through the open ended passage.
申请公布号
DE602006012500(D1)
申请公布日期
2010.04.08
申请号
DE20066012500T
申请日期
2006.08.21
申请人
DONNELLAN, NUALA;NEWTON, JOHN REGINALD;TB COMPOSITES LTD.