Stent spring for pipe repair device
AssigneeMueller International, LLC
InventorAurelian Ioan Furcoiu
Life of this patent
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Abstract
A stent spring for a pipe repair device includes a tubular mesh structure comprising a plurality of strands arranged to define a plurality of spring openings therebetween, the tubular mesh structure defining a circumferential spring top end and a circumferential spring bottom end opposite the circumferential spring top end, a void extending axially through the tubular mesh structure from the circumferential spring bottom end to the circumferential spring top end; a continuous top band extending partially around the circumferential spring top end of the tubular mesh structure; and a continuous bottom band extending partially around the circumferential spring bottom end of the tubular mesh structure.
Claims11
A stent spring for a pipe repair device, the stent spring comprising:
- a tubular mesh structure comprising a plurality of strands arranged to define a plurality of spring openings therebetween, the tubular mesh structure defining a circumferential spring top end and a circumferential spring bottom end opposite the circumferential spring top end, a void extending axially through the tubular mesh structure from the circumferential spring bottom end to the circumferential spring top end;
- a continuous top band extending partially around the circumferential spring top end of the tubular mesh structure;
- and
- a continuous bottom band extending partially around the circumferential spring bottom end of the tubular mesh structure.
A stent spring for a pipe repair device, the stent spring comprising:
- a tubular mesh structure comprising a plurality of strands arranged to define a plurality of spring openings therebetween, the tubular mesh structure defining a circumferential spring top end, a circumferential spring bottom end opposite the circumferential spring top end, and a middle section between the circumferential spring top end and the circumferential spring bottom end, a void extending axially through the tubular mesh structure from the circumferential spring bottom end to the circumferential spring top end;
- wherein a diameter of the middle section is less than a diameter of the circumferential spring top end and a diameter of the circumferential spring bottom end.
Dependencies are inferred from the claim text.