Dual Hardness Sealing Elements for Blowout Preventer
The present invention relates to sealing elements for blowout preventers comprising a sealing interface region, and a second region, wherein said sealing interface region is formed of a first polymer and said second region is formed of a second polymer, the first and second polymers having different...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
07.04.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to sealing elements for blowout preventers comprising a sealing interface region, and a second region, wherein said sealing interface region is formed of a first polymer and said second region is formed of a second polymer, the first and second polymers having different Shore A hardnesses, including sealing elements made of dual hardness polyurethane. |
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Bibliography: | Application Number: US202017426682 |