Patent ID: 6881005

Claim:
A connection structure for interconnecting two tubular elements, said connection structure comprising: a first tubular element which defines a first internal void therein, said void communicating with the environment through a first port; said first tubular element having a first sidewall defining at least at least one first aperture therein; said first aperture having a first aperture diameter; a first insert element positioned within said first internal void, said first insert member defining at least one first channel therein oriented in registration with said first aperture; a first connection element positioned within said first aperture and said first channel to connect said first tubular element to said first insert element, said first channel having a first tubular diameter, said first tubular diameter being dimensionally larger than said first aperture diameter; and a second tubular element having connection structure forming a connection with said first insert; wherein a portion of said first tubular element proximate said first aperture is bent into said first channel, said portion of said first tubular element being disposed intermediate a sidewall defining said first channel and said connection element.