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    • 1. 发明专利
    • HANDRAIL FOR PASSENGER CONVEYOR AND MANUFACTURE THEREOF
    • JPH05178573A
    • 1993-07-20
    • JP34130391
    • 1991-12-24
    • SHOWA ELECTRIC WIRE & CABLE CO
    • MORI JIYUNICHIROUMARUYAMA SHIGERU
    • B66B23/24
    • PURPOSE:To improve the decorative properties of a hand rail by forming a decorative rubber layer in a state that a plurality of different color rubber simple substances are joined together in the direction of length and approximately in a vertical direction, in a substance wherein a decorative layer is formed on the outer periphery of a core formed approximately in a C-shape in cross section. CONSTITUTION:A hand rail 10 for a passenger conveyor has a core 12 formed approximately in a C-shape in cross section such that end parts 11a on both sides of belt-like canvasses 11 laminated together through adhesive are bent. The core 12 has durability which is improved by means of a plurality of tension members 13 formed of a steel wire and nipped between the canvasses 11. A decorative layer 14 is laminated on the outer periphery of the core 12. In the so formed hand rail 10, the decorative rubber layer 14 is formed such that different color rubbers (first and second belt-like rubber materials 22 and 23) are joined together at an irregular jointing line 26 in a state that seams are blurred with each other. The jointing is formed in a way that a rubber material at the jointing end part of different color unvulcanized is decrease/increased or cut in a folded line-form manner.