US 12,078,572 B2
Hydrant nozzle cap
Daryl Lee Gibson, Chattanooga, TN (US); William Mark O'Brien, Toronto (CA); Sebastien Perrier, Petersborough (CA); and Paul S. Gifford, Chattanooga, TN (US)
Assigned to Mueller International, LLC, Atlanta, GA (US)
Filed by Mueller International, LLC, Atlanta, GA (US)
Filed on Feb. 6, 2023, as Appl. No. 18/106,190.
Application 18/106,190 is a continuation of application No. 17/245,419, filed on Apr. 30, 2021, granted, now 11,624,674.
Application 17/245,419 is a continuation of application No. 16/428,744, filed on May 31, 2019, granted, now 11,473,993, issued on Oct. 18, 2022.
Prior Publication US 2023/0184617 A1, Jun. 15, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01M 3/24 (2006.01); E03B 7/00 (2006.01); E03B 9/02 (2006.01); F16L 55/115 (2006.01)
CPC G01M 3/24 (2013.01) [E03B 7/003 (2013.01); E03B 9/02 (2013.01); F16L 55/1152 (2013.01); F16L 55/1155 (2013.01)] 14 Claims
OG exemplary drawing
 
10. A nozzle cap for a fire hydrant comprising:
a cap cover comprising a metal material;
a cap body defining a cap axis, the cap body comprising:
an inner housing comprising a metal material; and
an outer housing comprising a non-metal material, the outer housing disposed axially between the inner housing and the cap cover, the outer housing comprising a substantially circumferential wall, the substantially circumferential wall defining a cavity between the inner housing and the cap cover, wherein a first end of the substantially circumferential wall engages the inner housing; and
a housing lid ultrasonically welded to the outer housing and configured to enclose the cavity;
wherein:
the outer housing defines an outer fastener hole;
the housing lid defines a lid fastener hole;
a fastener extends through the outer fastener hole and the lid fastener hole;
the outer housing further comprises a locating pin configured to engage a lid recess formed in the housing lid to align the outer fastener hole of the outer housing with the lid fastener hole of the housing lid;
the cap cover defines a cover recess and a cap fastener hole; and
the locating pin extends through the lid recess of the housing lid and engages the cover recess of the cap cover to align the cap fastener hole with the outer fastener hole and the lid fastener hole.