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US 10,520,086 B2Granted
Apparatus and systems for preventing extrusion
AssigneeT-Lon Products, Inc.
InventorJon Scharrer
Life of this patent
Estimating the term…
Abstract
An anti-extrusion ring for supporting a sealing unit of a piston or rod system is disclosed. The anti-extrusion ring is split across two surfaces for ease of installation and the split is configured to effectively prevent extrusion at either split surface and eliminate nibbling of the sealing components.
Claims5
A substantially rigid anti-extrusion ring comprising a circumferential interior surface, a circumferential exterior surface, an annular top surface, and an annular bottom surface,
- wherein said at least one of said top and bottom surfaces is in direct contact with at least one of a top or bottom surface of a sealing member,
- wherein said interior surface has a first cut extending partially radially therethrough and wherein said exterior surface has a second cut extending partially radially therethrough,
- wherein said first and second cuts are offset from one another, and
- wherein a third cut extends through the top and bottom surfaces between the first and second cuts;
- and
- wherein said first and second cuts are between 0.01 and 0.25 inches and said cut is at least as long as said first or second cut.
3 more elements
Dependencies are inferred from the claim text.