Patent ID: 9574689
Date: 2017-02-21
CPC Classifications: F16L

Claim:
1. A composite rotary union assembly comprising: an inlet tube constructed from plastic, said inlet tube including a first end and a second end, an inlet tube main body extending between said first end and said second end, said first end constructed and arranged for connection to a pressurized fluid supply, said first end including a metal insert having an outer surface constructed and arranged to provide said connection to said pressurized fluid supply, said first end of said inlet tube includes a plastic core, said plastic core extending through and in substantially continuous contact with said metal insert forming a bi-material first end, a distal surface of said bi-material end being continuous and circular to provide a sealing surface for engaging a seal within a female coupling of said pressurized fluid supply, said inlet tube main body being tubular in construction for passage of said pressurized fluid, said second end constructed and arranged for fluid tight rotational connection to said outlet conduit; an outlet conduit fluidly coupled to said inlet tube for rotational movement therebetween, whereby one of said inlet tube or said outlet conduit is fixed in position while the other is free to rotate while maintaining a fluid tight seal; and a securing member, said securing member constructed and arranged for securing said inlet tube to said outlet conduit while allowing said rotational connection therebetween.