专利名称：CONSTRICTING WEDGE DESIGN FOR
PRESSURE-RETAINING SEAL
发明人：Keith C. Johansen,Nicolas G. Snoke申请号：US15902203申请日：20180222
公开号：US20180179846A1公开日：20180628
专利附图：
摘要：High pressure seals for pressure control fittings are disclosed, where suchpressure control fittings are located at a wellhead, for example. Embodiments of camlock seals, a spring-driven ball race seal and wedge seals are disclosed.
申请人：FHE USA LLC
地址：Fruita CO US
国籍：US
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