Abstract: A box section including a rim portion formed from an elongated strip appropriately shaped and interconnected at opposite ends thereof by means of interengaging tab portions adapted to be bent over one another and received within adjacent depressions of the opposite tab member in such a manner that a variety of decorative and functional coverings, including those of a relatively thick nature, may be applied to such box section without interfering with the construction thereof including its desirable visual and strength characteristics.

Abstract: A box section and method of making same comprising an elongated strip of flexible material having a reversely bent flange along one longitudinal edge thereof, said flange defining a shoulder spaced from the opposite longitudinal edge of said strip, said strip being formed so that its opposite ends are in abutting relation whereby to define a peripheral rim with the aforesaid shoulder on the inner surface of the rim, the section further comprising a cover member of the same configuration as said peripheral rim, said cover member comprising a wall having a marginal flange extending perpendicularly therefrom, said marginal flange being inserted through the said opposite edge of said rim and being snugly received therein with the end of the marginal flange abutting the aforesaid shoulder, and means securing said cover member to said peripheral rim.