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This patent provides details of a rotary joint that is designed for the transfer of low-temperature refrigerant with a minimal running cost. The joint has a series of bellows-type mechanical seals isolating the transfer passages. Patent WO/2009/122782 appears to provide more detail on the sealing system which involves applying a vacuum to the outer sealing chambers.
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This patent describes a seal structure which has a seal member integrally formed on a flexible wiring board without peeling out an insulating layer on the wiring board. The seal is directly
additional time and expense of draining the cylinder head to replace the copper cooling sleeve around the injector. The gasket is formed from a resilient metal ring with a sealing bead.
This invention relates to a seal assembly for use in equipment in the electronics manufacturing industry that has a replaceable barrier to shield an elastomeric seal from direct exposure to a plasma. Commercially available seal and barrier shield assemblies comprise a bonded rubber seal and a contin