Carrying case

Claim 1

A carrying case comprising a body formed from a single integral strip or blank of plastic material which is substantially rigid but is capable of being longitudinally flexed by manual pressure, with said strip having spaced grooves formed in said material to provide fold lines for said strip so that when said strip is folded it forms a bottom, spaced side walls and a pair of top closure flaps with one of said flaps overlapping the other, said grooves between the side walls and the top closure flaps forming the hinge lines for said closure flaps, said body having separate end walls, in which the end walls are each formed of the same plastic material and provided with spaced marginal grooves which form fold lines for forming side end flanges and a bottom flange, said side end and bottom flanges positioned adjacent the margins of the side walls and bottom of said body, integrally formed channel strip frame formed of metal and substantially rigid and which is of generally Ushaped configuration in end view plan comprising spaced vertical sides connected by a bottom horizontal portion but with an open top, said channel strip also being U-shaped in transverse section with an outer leg and an inner leg and a connecting portion therebetween and securing the side and bottom flanges to the end edges of the side and bottom walls, respectively, and not extending over the top of the end walls, said channel strip having inwardly extending pointed ribs on one of said legs biting into the side flanges to secure said end walls to the side and bottom walls without the use of any stitching or other fastening means and solely by the use of said integrally formed channel strip frame, Said outer leg and connecting portion of said Ushaped channel strip being flat and each having a recessed flat central portion in the outer surface thereof.