Patent ID: 8053701
Filing Date: 2011-11-08
Classification: B23K,F23D

Abstract:
1. An apparatus comprising: a base having a first end, a second end, and a channel system, wherein the channel system is located closed to the first end than the second end of the base; a wall extending from a side of the base to partially enclose the channel system; and an opening in the wall that is located closer to the second end than the first end, wherein a shape of the wall is capable of retaining a gas introduced through the channel system in a welding location and causing the gas to move away from the channel system and through the opening in the wall; and a seal separate from the wall, pivotally attached to the wall, and conforming to a surface of a structure; wherein the channel system comprised a number of holes in the base, wherein the number of holes is capable of receiving a laser beam and an inert gas.