Patent ID: 6220779
Filing Date: 2001-04-24
Classification: B29C,B29L,B65D,F16B,F17C,Y10T

Abstract:
A joint in a body portion of a multi-cell pressure vessel, the body portion having a substantially uniform cross section and comprising a plurality of arcuate outer wall segments connected with at least one internal web segment, the joint attaching adjacent ends of two of the arcuate outer wall segments and an end of the internal web segment, the joint having a cross section comprising:tabs respectively configured at the adjacent ends of the arcuate outer wall segments, the tabs of the adjacent ends configured for contiguous engagement to form a boss having a proximate neck portion and a distal body portion, the neck portion of the boss having a width smaller than the width of the body portion of the boss; anda retaining member configured at the end of the internal web segment, the retaining member configured to capture the boss formed at the adjacent ends of the two arcuate outer wall segments.