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Applicant: ACC La Jonchere, France This invention relates to a seal particularly intended for connecting together two fluid or gas flow ducts. It includes a sliding member located between the male and female sections of the join. The sliding member includes a stack of at least two layers of an inter-metal material that prevents any spread of a crack from one layer to the next.
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Because of elastic deformation of the reduced portion, the second valve is capable of radial deformation. The patent includes 42 drawings.
This patent describes a tandem radial shaft seal that is specifically designed for automotive cooling systems. A partial vacuum may be applied to the system for leak testing and then filling. This can cause a conventional lip seal to vent air inwards. This seal has a support ring on the atmospheric
I, lOmy Torr) and thereby an efficient sealing of a chamber measuring at least 48 x 48 inches. The seal must work in a harsh environment -high temperature, high voltage and high contact pressure. Seals used include elastomer types such as Viton. This O-ring is recessed into a machined groove within