Patent ID: 8851527
Filing Date: 2014-10-07
Classification: F16L,Y10S

Abstract:
1. A fitting for use with corrugated tubing, the fitting comprising: a nut having a passage therethrough for receiving the tubing, the tubing being corrugated tubing having a series of peaks and valleys; a plurality of retainers the retainers having a sealing surface for placement in a valley of the corrugated tubing; a body having an annular pocket formed circumferentially around the retainers, the body having a linear body sealing surface, wherein upon sealing of the tubing to the fitting, the tubing is compressed between the sealing surface and the body sealing surface; and a spring positioned within the retainers, the spring driving the retainers into the pocket when the fitting is not sealed; wherein the nut includes a nut surface, the nut surface engaging a retainer surface on the retainer to direct the retainer towards a centerline of the fitting upon engagement of the nut and body; wherein the body includes a tapered body surface, the body surface engaging the retainer to direct the retainer towards a centerline of the fitting during engagement of the nut and body, the body surface being separate from the body sealing surface.