Patent ID: 7338090

Claim:
An end connector for permanent attachment to wire reinforced rubber hose, comprising: a stem having a coupling end, a hose end and an outside; a ferrule secured to said stem near said coupling end wherein said ferrule has an inside and extends concentrically about said stem towards said hose end thereof; thereby forming a circular cavity adapted to receive one end of the wire reinforced rubber hose wherein said cavity is divided into three separate areas, a first area adapted as an expansion area, a second area adapted as gripping and sealing area and a third area adapted as a stress reduction and sealing area; wherein said first area is located at said coupling end, said third area is located at said hose end, and said second area is located between said first area and said third area, and wherein: said gripping and sealing area comprises a complementary set of lands and nodes within said ferrule assuming the shape of a sloped sine wave within said inside of said ferrule such that the amplitude of said land is greatest nearest said first area and is least nearest said third area and a complementary set of flutes and grooves assuming the shape of a modified sine wave on said outside of said stem, and wherein said stress reduction and sealing area comprises a complementary set of sectionally sloped surfaces said within said ferrule wherein the slope of said sloped surfaces increases the distance between said inside of said ferrule and said outside of said stem such that the minimum distance is nearest said second area and maximum at said hose end of said ferrule and a complementary set of ridges formed on said outside of said stem.