Importance

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Abstract

The nozzle swivel joint includes two couplings which are joined together at mutually flat interface surfaces. Each coupling has an axial flow passage, and the two couplings are held together in mutually rotatable position by a manifold with a threaded end; the manifold having inlet and outlet ports respectively aligned to the flow passages in the couplings. The manifold is sealably affixed to one of the couplings, with a gasket forming a seal about the threadable manifold. An O-ring is compressed between the respective flat interface surfaces to provide a limited friction seal for restricting relative rotation between the couplings, while at the same time permitting rotation to occur with a limited amount of force.

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First Claim