Patent ID: 9617800
Date: 2017-04-11
CPC Classifications: E21B,F16L

Claim:
1. A connector assembly for interconnecting tubular elements, comprising: at least one pin member having a threaded outer surface; at least one box member having a threaded inner surface corresponding to the threaded outer surface of the pin member allowing the pin member and the box member to be screwed together; at least one coating layer which is positioned between the threaded outer surface and the threaded inner surface, each coating layer being of a softer material than said threaded surfaces; and removal means for removing excess coating material from the coating layer during screwing of the pin member and the box member together, wherein the coating layer includes a brazing or soldering material, and wherein a brazing or soldering flux is applied to a surface selected from the threaded outer surface of the pin member and the threaded inner surface of the box member to promote bonding of the coating layer to the selected surface upon a temperature increase of the selected surface up to a required temperature.