Technologies

In this section it is possible to view, also through targeted research, the technologies inserted in the PROMO-TT Database. For further information on the technologies and to contact the CNR Research Teams who developed them, it is necessary to contact the Project Manager (see the references at the bottom of each record card).

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Vacuum Tight Threaded Junction (VTTJ)

# Record card
134
Description

The working principle of VTTJ is extremely simple. Two parts (at least one with tube shape) are screwed one into the other with a mechanical interference that creates a metallic seal. One part presents a cylindrical slot, the other presents a conical ring, whose diameter is slightly larger than the one of the cylindrical slot. When the two parts are screwed together, a plastic deformation occurs in the mechanical interference region.

Thematic areas
Aerospace and Earth Science
Energy and environmental sustainability
Energy and environmental sustainability / Nuclear fission/nuclear fusion
Additive and advanced industrial manufacturing
Additive and advanced industrial manufacturing / Vacuum/High vacuum technologies
Materials