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US 11,079,058 B2Granted
Stent with coiled spring
AssigneeMueller International, LLC
InventorAurelian Ioan Furcoiu
Life of this patent
Estimating the term…
Abstract
Example aspects of a stent for repairing a pipe and a method for repairing a pipe are disclosed. The stent for repairing a pipe can comprise a coiled extension stent spring comprising a plurality of spring coils and a seal assembled with the coiled extension stent spring and configured to engage an inner surface of a pipe, wherein the stent is configurable in an extended configuration and a contracted configuration, the coiled stent spring biasing the stent to the contracted configuration.
Claims11
A stent for repairing a pipe comprising:
- a coiled extension stent spring comprising a plurality of spring coils;
- and
- a seal assembled with the coiled extension stent spring and configured to engage an inner surface of a pipe, the seal defining an elongated tubular sleeve encasing each of the plurality of spring coils, wherein the stent is configurable in an extended configuration and a contracted configuration, the coiled extension stent spring biasing the stent to the contracted configuration.
A stent for repairing a pipe comprising:
- a coiled wrapped stent spring comprising a plurality of spring coils, wherein the spring coils define a plurality of closed coil ends and a plurality of open coil channels;
- and
- a seal assembled with the coiled wrapped stent spring and configured to engage an inner surface of a pipe, wherein the stent is configurable in an compressed configuration and an expanded configuration, the coiled wrapped stent spring biasing the stent to the expanded configuration.
Dependencies are inferred from the claim text.