Patent ID: 8569070

Claim:
A fitting assembly for use in a liquid chromatography system, comprising: a) a nut having a first end and a second end, and having a passageway therethrough, wherein said passageway has an internally tapered portion and a lip proximal said second end of said nut, and wherein said second end of said nut has an externally threaded portion; b) a ferrule having a first externally tapered end and a second end and having a passageway therethrough, wherein said first externally tapered end of said ferrule is adapted to securely engage with said tapered portion of said passageway in said nut; and c) a ferrule tip having a first externally tapered end, a central portion, and a second externally tapered end, and having a passageway therethrough, wherein said first externally tapered end and said central portion define a first lip and said second externally tapered end and said central portion define a second lip, and wherein said first end of said ferrule tip is adapted to abut with said second end of said ferrule within said passageway of said nut, and said first lip of said ferrule tip securely engages said lip of said nut.