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US 2020/0362989 A1Published application
Valve Leak Repair Packing Material and Method of Using the Same
AssigneeWhitmore Manufacturing, LLC
InventorsDonald A. Oldiges, Tom Blake, Rodney Roth, Gregory Paul Bruckner, Dennis Wayne Jones
Life of this patent
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Abstract
A non-curable injectable ester containing packing material for use in the repair of leaking valves contains a calcium sulfonate grease containing at least one polyalphaolefin, an ester, an anti-wear/anti-galling agent, a binding/thickening agent and a plasticizing agent.
Claims20
A valve packing composition comprising:
- (a) a calcium sulfonate complex grease comprising at least one polyalphaolefin and at least one ester;
- (b) at least one anti-wear/anti-galling agent;
- (c) at least one binding/thickening agent;
- and
- (d) a plasticizing agent miscible with the ester of the calcium sulfonate complex grease.
2 more elements
An incurable valve packing composition comprising:
- (a) a calcium sulfonate complex grease comprising at least one polyalphaolefin;
- (b) at least one anti-wear/anti-galling agent
- (c) at least one binding/thickening agent;
- (d) an ester;
- and
- (e) a plasticizing agent.
3 more elements
Dependencies are inferred from the claim text.