Patent ID: 9709197
Date: 2017-07-18
CPC Classifications: F16J,F16L,Y10T

Claim:
1. A seal for connecting to a tube having a wall, the seal comprising: an elongated cavity for receiving an end of a tube, the elongated cavity comprising a cone-shaped groove having a narrow side facing the tube and a wide side distal to the tube; a first elastic ring in the cone-shaped groove of the elongated cavity, wherein the first elastic ring has a circular or elliptical cross section, and wherein a minimum diameter of the circular or elliptical cross section is larger than a minimum distance between the walls of the cone-shaped groove; and a fluid inlet distal to the elongated cavity for passing fluid into the cone-shaped groove, thereby: wherein an angle between walls of the cone-shaped groove is constant from the narrow side to the wide side, and wherein the angle facilitates a release of the first elastic ring when pressure from the fluid inlet is released.