Patent ID: 6875944

Claim:
A method for welding/brazing a tube to a container comprising the steps of: a) obtaining a tube having an axially-extending first portion and having a tube form which extends transversely from the first portion; b) obtaining a container having an outer surface, an inner surface and an orifice; c) obtaining a support tool with an expandable head having an unexpanded state and an expanded state; d) disposing the tube form proximate the outer surface of the container and surrounding the orifice; e) passing the unexpanded head of the support tool through the orifice of the container; f) expanding the head of the support tool inside the container; g) supporting the inner surface of the container with the expanded head of the support tool; and h) creating a resistance current path through the tube form and the container creating a weld/braze zone which includes at least some of the tube form and at least some of the container.