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US 12,487,211 B2Granted
Ferrule sleeve for preventing excessive ferrule deformation causing leaks and stuck ferrules
AssigneeThermo Finnigan LLC
InventorsGeorge B. Guckenberger, Adam D. Bryant
Life of this patent
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Abstract
A ferrule includes a deformable portion and a rigid sleeve surrounding at least a portion of the deformable portion. The deformable portion includes between about 5% and about 50% graphite. The deformable portion further includes between about 50% and about 95% polyimide. The rigid sleeve can include a metal, such as stainless steel.
Claims8
A ferrule, comprising:
- a deformable portion comprising between 5% and 50% graphite and between 50% and 95% polyimide;
- and
- a integrated ferrule sleeve surrounding at least a portion of the deformable portion.
Dependencies are inferred from the claim text.