US 11,885,452 B2
Testable termination fitting
Kiran Muggulla, Madison, WI (US); James Novak, Evansville, WI (US); Todd Breuer, McFarland, WI (US); Justin F. Kuehn, Sun Prairie, WI (US); and Randall Boucher, Saco, ME (US)
Assigned to Franklin Fueling Systems, LLC, Madison, WI (US)
Filed by Franklin Fueling Systems, LLC, Madison, WI (US)
Filed on Oct. 5, 2021, as Appl. No. 17/494,756.
Prior Publication US 2023/0105113 A1, Apr. 6, 2023
Int. Cl. F16L 39/00 (2006.01); F16L 33/23 (2006.01); F16L 9/18 (2006.01); F16L 21/02 (2006.01); F16J 15/06 (2006.01)
CPC F16L 39/005 (2013.01) [F16L 9/18 (2013.01); F16L 33/23 (2013.01); F16J 15/06 (2013.01); F16L 21/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A conduit system comprising:
a conduit comprising a primary pipe positioned centrally within a secondary pipe along a longitudinal axis of the conduit, the conduit having an interstitial space defined between the primary pipe and secondary pipe; and
a termination fitting assembly comprising:
an interior fitting formed as a one-piece, monolithic structure having an inner wall and an outer wall, the inner wall sized and shaped for insertion into and sealing with the primary pipe, and the outer wall extending circumferentially around the secondary pipe of the conduit,
an annular channel defined between the inner wall and the outer wall of the interior fitting and in fluid communication with the interstitial space of the conduit; and
an exterior fitting positioned around the conduit;
wherein the termination fitting assembly further comprises a compression ring and an annular seal positioned about the secondary pipe; and
wherein the exterior fitting comprises at least two exterior fitting portions configured for reversable coupling about the conduit.