US Patent 7921606 Hip, ridge or rake shingle

A hip, ridge or rake shingle comprised of a plurality of panels sandwiched on each panel portion side of a layer of shingle material, such that each panel portion can be folded along a fold line, and wherein tabs are provided for each panel portion, adapted to be bent backwardly upon themselves, sandwiching thickening panels therebetween. The shingles can be laid up on a hip, ridge or rake of a roof, to yield desirable thickened features.