Patent ID: 7806442

Claim:
A hose coupling assembly for connecting to a metal tube or tube fitting, comprising: a flexible hose, a nipple, a tubular seal insert telescoped over the nipple, and a crimp collar having a tubular shell portion surrounding and spaced radially outwardly from the seal insert to form an annular space for receiving an end portion of the hose to be connected to the nipple, wherein the tubular seal insert includes a retainer, the retainer being made of one of a metal or a composite material, and at least one annular sealing element made of an elastomeric material integrally joined to the retainer, and the annular sealing element protrudes radially inwardly and outwardly respectively from inner and outer diameter surfaces of the retainer, whereby the end portion of the flexible hose can be closely telescopically positioned between the tubular shell portion and the tubular insert on the nipple, and then the shell portion crimped around the end portion of the tube and the hose with the annular sealing element effecting a seal to the nipple and to an inner diameter surface of the hose.