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    • 3. 发明专利
    • INFLATABLE RING BUOY
    • JPS58133989A
    • 1983-08-09
    • JP1335182
    • 1982-02-01
    • FUJIKURA RUBBER WORKS LTD
    • SUGIMOTO ATSUO
    • B63B7/08
    • PURPOSE:To prevent the deformation of a cylindrical inflatable part such as tortion and strain at the time of its inflation by forming one side of said cylindrical inflatable part formed with a plain rubber coated fabric, while combining a biased rubber coated fabric obtained by subjecting a textile base to bias- weaving, with said one side of the cylindrical inflatable part. CONSTITUTION:In a cylindrical inflatable part, a upper side coated fabric 12 and a lower side coated fabric 13 formed by coating rubber on a plain textile base are connected together via a biased rubber coated fabric 15 formed by coating rubber on a biased textile base. This connection is accomplished by sticking the both ends of the biased rubber coated fabric 15 to the one end of the upper side coated fabric 12 and the one end of the lower side coated fabric 13 respectively while reinforcing the outer surface of a stuck part 16 with a reinforcing tape 17. And in case of the biased textile base, a direction in which yarn is led is inclined by a prescribed angle to the generating direction of stress, so that the elongation of the yarn in that part is reduced, and even when the woven directions of the upper side and lower side coated fabrics 12, 13 differ from each other, torsion and strain, etc., at the time of the inflation of the inflatable part are absorbed by the biased rubber coated fabric 15.