US 12,392,442 B2
Pipe repair device
Aurelian Ioan Furcoiu, Oswego, IL (US)
Assigned to Mueller International, LLC, Atlanta, GA (US)
Filed by Mueller International, LLC, Atlanta, GA (US)
Filed on Sep. 22, 2023, as Appl. No. 18/371,987.
Application 18/371,987 is a division of application No. 16/987,106, filed on Aug. 6, 2020, granted, now 11,802,646.
Claims priority of provisional application 62/885,021, filed on Aug. 9, 2019.
Prior Publication US 2024/0093822 A1, Mar. 21, 2024
Int. Cl. F16L 55/163 (2006.01); F16J 15/02 (2006.01)
CPC F16L 55/163 (2013.01) [F16J 15/028 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A pipe repair device comprising:
a gasket defining a substantially cylindrical shape, the gasket defining a gasket top end and a gasket bottom end opposite the gasket top end, a gasket outer surface, and a gasket inner surface opposite the gasket outer surface, the gasket outer surface defining a plurality of raised ridges; and
a spring engaging the gasket inner surface, wherein the pipe repair device is configurable in an expanded configuration and one of a compressed configuration and a folded configuration, and wherein the spring biases the pipe repair device to the expanded configuration;
wherein:
the gasket defines a top annular seal oriented at the gasket top end and a bottom annular seal oriented at the gasket bottom end, and wherein at least some of the raised ridges are substantially concentric with the top annular seal and the bottom annular seal; and
each of the top annular seal and the bottom annular seal defines an annular channel, the gasket top end received in the annular channel of the top annular seal, and the gasket bottom end received in the annular channel of the bottom annular seal.