| 摘要 |
A joint for the flexible tube is provided that the seal inferiority generated by the insertion failure of the call gate tube is prevented. A joint(10) for the flexible tube comprises a call gate tube(2) having the woman in childbed(4) and curved portion(5), a flexible tube(1) formed with the call gate tube, an opening formed in the end part of joint. The call gate tube is welded to the joint. A fire-retardant sealant(24) is inserted between the joint and call gate tube. The standard sealant(25) showing the predetermined seal function is positioned between the joint and call gate tube. The standard sealant is formed with the length contacting the circumference of the woman in childbed of the call gate tube. The fire-retardant sealant is arranged in the aperture side of the joint than the standard sealant. The fire-retardant sealant is comprised of the member of the thermal expansibility. |
