Blowout preventer packing unit with slanted reinforcing inserts
An annular blowout preventer packing unit having a longitudinal axis incorporates metallic inserts having webs that extend both longitudinally and about that axis to define surfaces which have longitudinally facing extents to anchor and resist longitudinal displacement of packer elastomeric material...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An annular blowout preventer packing unit having a longitudinal axis incorporates metallic inserts having webs that extend both longitudinally and about that axis to define surfaces which have longitudinally facing extents to anchor and resist longitudinal displacement of packer elastomeric material. The webs may typically have upper and lower portions with oppositely directed curvatures, respectively. |
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