| 摘要 |
A hose with a joint fitting for conveying a carbon dioxide refrigerant has a hose body and a joint fitting. The joint fitting is provided with an insert pipe inserted in an end portion of the hose body, and a socket fitting including a sleeve and a radially inwardly directed collar portion on an axial end of the sleeve. An axial blocking layer blocking an axial leakage path of the refrigerant is provided between an outer surface of the insert pipe and an inner surface of the hose body, and a radial blocking layer blocking a radial leakage path of the refrigerant is provided between an inner surface of the collar portion and an end surface of the hose body.
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