Chair structure and method of forming the same

Claim 1

A chair structure of the type that includes two first forwardly disposed legs, two second rearwardly disposed tubular legs of greater length than said first legs, with the upper portion of said second legs defining a portion of the back of said chair structure, four substantially horizontal first rungs that are normally disposed to one another and extend between said forwardly and rearwardly disposed legs, a seat, means for supporting said seat in a substantially horizontal position from said first rungs, at least one transverse cross piece that extends between said upper portions of said legs to define said back, two arms that extend between said forward and rearward legs above said seat, said first and second legs, first rungs, cross piece and arms formed from lengths of rigid, non-metallic conduit, said first and second legs of greater diameter than that of said first rungs, cross piece and arms, and having openings therein through which end portions of said first rungs cross piece and arms extend into the confines of said first and second legs, with the portions of said first rungs, cross piece and arms within said confines having pairs of axially aligned openings therein, said first and second legs, rungs, cross piece and arms being formed from a heat bendable conduit and said chair being characterized by: a. two first splines within said first legs that snugly engage said pairs of openings in said arms and rung portions within said first legs; b. two second splines within said second legs that snugly engage said pairs of openings in said arms, rungs and cross piece within said second legs; c. a plurality of caps that close the upper and lower ends of said first and second legs; and d. a quantity of a rigid polymerized foamed resin that fills the interior confines of said first and second legs, rungs, cross piece and arms to cooperate with said first and second splines to hold said chair structure together as an integral unit.