Patent ID: 9644655
Date: 2017-05-09
CPC Classifications: B23K,F16B

Claim:
1. A method for joining two structures, said method comprising: providing a first sandwich structure including opposing first and second face sheets defining a space therebetween and a core positioned in the space between the first and second face sheets of the first structure so that an open area remains in the space between the first and second face sheets of the first structure at one end, said first structure further including a cooling region at an end of the core of the first structure adjacent to the open area, said cooling region of the first structure including a barrier preventing cooling fluid from entering the core of the first structure; providing a welding insert in the open area of the first structure so that a portion of the welding insert extends beyond an end of the first and second face sheets of the first structure; providing a second sandwich structure; positioning the first structure against the second structure; and welding the first structure and the second structure together using the welding insert.