Patent ID: 6637173
Filing Date: 2003-10-28
Classification: E04B,E04C

Abstract:
A method of fixing the shape of a curved structure in the field of construction comprising:providing an apparatus having a plurality of pivotally connected sections, each section having a base portion, a tab overlapping a portion of the adjacent section and a track portion extending generally perpendicular to the base portion, wherein each section further comprises: a first track portion and a second track portion, the track portions being oppositely positioned and generally parallel such that the track portions and the base portion form a channel, the base portions of adjacent sections overlapping; strap means slidably engaging the first track portion and the second track portion; and pivot means comprising a connection centrally located between the track portions toward each end of the base portion; and impacting the tab to restrict pivotal movement between the adjacent sections, wherein the impacting step further comprises interlocking the base portions of adjacent sections.