Patent ID: 9562879
Date: 2017-02-07
CPC Classifications: F16L,G01N

Claim:
1. A pipe for a chromatography column, comprising: a tubular metal casing having a first end and a second end and defining an interior pipe passage, the tubular metal casing defining a first inner annular recess at the first end of the tubular metal casing; an inlay comprising a plastic material tube having a first end and second end, the inlay lining the interior pipe passage of the tubular metal casing and extending from proximate the first end of the tubular metal casing to proximate the second end of the tubular metal casing, the first end of the inlay extending through the first inner annular recess to form a first annular channel at the first end of the tubular metal casing; and a first plastic material sealing ring positioned around the inlay proximate the first end of the inlay and positioned at least partially within the first annular channel.