Airbus Operations (s.a.s.)

Airbus Operations Gmbh

Sophie Gourdon

David Petit

Manuel Paredes

Patricia Morgue

Damien Fraysse

Simon Dols

Geneviève Schubetzer

Serge Vernet

Nicolas Charmes

Mathieu Trindade

Joel Antic

Joël Antic

When coupling tubular parts by fitting, the seal interposed between them may roll on itself, be pinched or damaged. Now, a twisted or damaged seal no longer correctly ensures the seal-tightness and it is very difficult to detect this. The present application discloses a tool for installing a seal between two tubular parts, one male and one female, including a compression ring to encircle the male part and exert a compression on the seal before producing the join. The tool also includes a tongue that can be positioned at a chamfered surface of the female tubular part. The tongue makes it possible to offer the pre-compressed seal with the dimensions of the female part a continuous travel making it possible to prevent any twisting or other effect compromising the seal-tightness.

Tool and method for installing a seal by allowing a precompression to join two tubular parts

A process for checking when tightening a threaded fastener that it has been tightened on the complete threads of the fastener. In order to do this the process comprises detecting different gradients in a tightening graph representing torque as a function of another parameter and comparing each gradient with predetermined values. According to the portions of graph detected and their gradient values it is possible to determine whether tightening is correct and has taken place on the complete threads of the fastener, or if not it is possible to identify a cause of failure.

Process for checking that full threads are engaged in tightening and assembly

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Blagnac, France

Sophie Gourdon