Patent ID: 7017616
Filing Date: 2006-03-28
Classification: F16L,Y10T

Abstract:
1. A reinforced hose comprising: an inner rubber layer; an outer rubber layer; and at least two reinforcing layers provided between the inner rubber layer and the outer rubber layer, including a lower yarn layer formed on the inner rubber layer and an upper yarn layer formed outside of the lower yarn layer, wherein the lower yarn layer is braided from a reinforcing yarn at a braid angle of 59±2° with respect to an axial direction of the hose, the reinforcing yarn being made of polyester yarn having a tensile strength of not lower than 6.9 g per unit dtex and having a stretchability of 2.6±1.0% at 2.7 g load per unit dtex; wherein the upper yarn layer is braided from the reinforcing yarn at the braid angle of 59±2°, the braid angle being larger than a repose angle with respect to an axial direction of the hose; and wherein the polyester yarn comprises a high-modulus PET yarn.