Patent ID: 7360799

Claim:
Cladding for a portion of a bend, comprising in combination: a plurality of separate segments in the form of thin sheets of cladding material; each said segment including a first edge opposite a second edge; said first edge non-parallel with said second edge; at least one fastener between adjacent segments, said fastener adapted to couple said first edge of one of said segments to said second edge of an adjacent said segment; said first edge and said second edge adapted to extend only partially around the bend in a circumferential direction; wherein said first edge includes a rib thereon extending along at least a portion of said first edge; wherein said rib extends only partially along said first edge, with said rib shorter than a length of said first edge and with said rib located closer to an end of said first edge which is most distant from said second edge; wherein said second edge includes crimping along at least a portion of said second edge; and wherein said crimping extends adjacent only a portion of said second edge, said crimping located closer to an end of said second edge which is most distant from said first edge.