Patent ID: 7445029

Claim:
A hose for feeding cold or hot water for use in piping for feeding cold or hot water, the hose comprising: an inner layer structured with an elastic tube wherein the inner layer has a double layer structure including an innermost layer and an outer layer; an inner reinforcing layer structured with a fiber yarn wound in a spiral provided on the inner layer; and an outer reinforcing layer structured with a woven metallic hard wire provided on the inner reinforcing layer; wherein the inner reinforcing layer includes two layers which are fiber yarn wound in spiral and a covering layer formed of a resin on the outer reinforcing layer; wherein a weaving density of the metallic hard wire forming the outer reinforcing layer is in a range from 15% to 55% and; wherein at least the innermost surface of the inner layer in contact with cold water or hot water is structured with a polybutene resin or a cross-linking polyethylene resin and the outer layer of the inner layer is structured with a polyolefine elastomer; wherein a count of twist of the fiber yarn forming the inner reinforcing layer is in a range from 0 time/10 cm to 10 times/10 cm.