Patent ID: 6068902
Filing Date: 2000-05-30
Classification: B64C,Y02T,Y10T

Abstract:
A composite shell shaped as a body of revolution, comprising:a load-bearing framework of a multilayer structure made of layers repeating throughout the thickness of its wall and consisting of systems of crossing spiral and annular strips arranged at intervals and forming cross nodes and stiffening ribs therebetween;an outer load-bearing shell;said spiral and annular strips and the outer load-bearing shell being formed of unidirectional fibers and a polymer binder bonding said unidirectional fibers;box-shaped cover plates of rectangular cross-section, which are secured with glue in the cross nodes and surround them;thin-walled plates mounted on an external surface of the outer shell; andsaid box-like cover plates, arranged along an internal surface of said load-bearing framework, are secured to said thin-walled plates by threaded rod elements to form reinforcement zones arranged uniformly along the contour of the shell.