Patent ID: 9611949
Date: 2017-04-04
CPC Classifications: F16K,F16L

Claim:
1. A break-away assembly for a liquefied chemical transportation system, the break-away assembly comprising: a first adapter portion configured for releasable attachment to a liquefied chemical source and a second adapter portion configured for releasable attachment to a liquefied chemical destination, the first adapter portion and the second adapter portion being operatively connected to one another by a hose portion; a first valve assembly disposed within the first adapter portion; a second valve assembly disposed within the second adapter portion; and a stem connector operatively connecting the first valve assembly and the second valve assembly, wherein each of the first adapter portion and the second adapter portion includes, an outer coupling portion having a body including a central bore with the female threads, an inner flange extending radially inward from the body at one end, and an annular channel formed in the central bore, the annular channel being positioned proximate the inner flange; a center conduit portion having a body including a central bore, the central bore having a first portion with a first diameter, a second portion with a second diameter that is different from the first diameter, and a third portion having a third diameter that is different from the second diameter, and an outer annular flange that is sized and shaped to be at least partially received within the annular channel on the outer coupling; and an inner coupling portion having a body including a central bore and an outer annular extension that separates a first mating portion from a second mating portion, the first mating portion including outer threads configured to grip a portion of the hose portion, and the second mating portion including outer threads configured threadedly engage inner threads on the third portion of the center conduit.