Patent ID: 9518790
Filing Date: 2016-12-13
CPC Classification: F16L,F28F

Claim Text:
1. A plug for sealing the end of a tube, comprising: a tubular housing having an outer diameter and a wall of annealed material having a modulus of elasticity of between 10,000 ksi to 30,000 ksi that extends from a first thickness that is between about three percent and about eight percent of said outer diameter to a second thickness that is that is between about five percent and about eleven percent of said outer diameter, wherein said wall is deformable by said ferrule to expand to a new outer diameter that is up to ten percent of said outer diameter; an insert post extending along a longitudinal axis from a first, free end to a second end that is positioned within said tubular housing; a ferrule having a taper of at least four degrees relative to said longitudinal axis positioned about said post; and a nut positioned on said post, wherein movement of said nut along said post will cause said ferrule to engage said wall of said tubular housing.