| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat insulation hose of regular size having end connection segments at both ends that can be connected to a drain hose and the like without damaging heat insulation function.SOLUTION: This invention relates to a heat insulation hose in which a heat insulation material having a rectangular section is wound in a helical form on an inner layer pipe made of soft synthetic resin having a reinforcement core wire wound in a helical manner at a specified pitch to form a heat insulation layer and at the same time this heat insulation layer is covered by an outer layer pipe made of soft synthetic resin to form a heat insulation hose main body A1, connection end segments A2 having both inner and outer layer pipes integrally installed without arranging any heat insulation layer are protruded at both ends of this heat insulation hose main body, and both end surfaces of the heat insulation layer are formed as end surfaces that are continuous in flush on a circumference crossing at a right angle with a center line of the hose.SELECTED DRAWING: Figure 1 |
