Removable end cap

Abstract

A cardboard box having removable endcaps which slide into an enclosure formed from a single piece of cardboard having opposing endrails secured thereto. The endrails have a captive endrail groove for engaging the sides of the endcaps.

What is claimed is: 
     
         1 . A cardboard box comprising:
 a second sidewall secured a first sidewall, said second sidewall having two or more endrails secured thereon, each endrail having a captive endrail groove;   a third sidewall having a extended flap for overlapping said first sidewall;   a fourth sidewall, said fourth sidewall having two or more endrails secured thereon, wherein said second sidewall and said fourth sidewall are configured to oppose each other by folding a single piece of cardboard along a second fold and a third fold and thereby create a third sidewall; and   a center cap for slidbly engaging opposing endrails along a captive endrail groove disposed along each said endrail.   
     
     
         2 . The cardboard box according to  claim 1 , wherein said center cap shaped as an I-Beam for capitally engaging a said endrail groove. 
     
     
         3 . The cardboard box according to  claim 1 , wherein each said endrail is secured to opposing sidewalls using double-sided adhesive.