JPH07237876A - Hand rail - Google Patents

Abstract

PURPOSE:To embed a tensile strength material in a core of a hand rail, which is formed by laminating decorative rubber on the top surface of a core formed by laminating plural canvas clothes, by arranging a canvas cloth, which is obtained by weaving tensile strength material as a warp, in the core along the longitudinal direction of a hand rail. CONSTITUTION:A hand rail is used for a moving hand rail for escalator or the like. In a hand rail, decorative rubber 3 is laminated on the top surface of a core 4, which is formed by laminating plural canvas clothes 41-43 and which has a nearly C-shape cross section. In this case, a canvas sloth 5, in which a tensile strength material is woven as a warp, is arranged inside of a core 4 along the longitudinal direction of a hand rail. As a tensile strength material, one kind selected among steel cord, polyester cord, aliphatic polyamide cord, aromatic polyamide cord, glass fiber cord is used. In the canvas cloth, a thread made of one kind selected among cotton thread, polyester thread, polyvinyl alcoholic thread is woven as a weft.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail used as a moving handrail such as an escalator or a walking sidewalk. More specifically, the present invention relates to a handrail having high tensile strength.

[0002]

2. Description of the Related Art Handrails are widely used with the spread of escalators and walkways. Since this handrail is used as an endless moving handrail by rotating through a plurality of rollers, it is important that it does not extend in the longitudinal direction.

Therefore, it is customary to embed a strength member in the longitudinal direction of the handrail.

FIG. 3 is a cross sectional explanatory view of a conventional handrail.

In FIG. 3, reference numeral 1 denotes a core body having a substantially C-shaped cross section, and the core body 1 is formed by laminating and bonding a plurality of thick woven canvases. In this case, both sides of the canvas are coated with a rubber paste or a thin unvulcanized rubber sheet is topped. Then, after stacking the canvas, the core body 1 having a substantially C-shaped cross section is formed by press vulcanization or the like at a high temperature. Further, in FIG. 3, reference numeral 2 is a strength member, and when the strength members 2 are laminated with a plurality of thick woven fabrics, a plurality of the strength members 2 are arranged so as to be straight and parallel in the longitudinal direction to the intermediate layer of the plurality of fabrics. It is embedded. The strength member 2 used in this case is a steel cord.

Further, in FIG. 3, reference numeral 3 is a decorative rubber made of chlorosulfonated polyethylene rubber or the like which is vulcanized and adhered to the outer peripheral surface of the core 1.

However, in such a conventional handrail, it is extremely troublesome to embed the tensile strength members 2 in the core body 1 in parallel at equal intervals in a straight line without meandering and so as not to overlap with each other. It was a major obstacle to improving sex. Further, if the tensile strength member meanders or is embedded, the tensile strength and dimensional accuracy of the handrail will deteriorate.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of such a point, and its object is to eliminate the above-mentioned drawbacks of the prior art and to quickly provide a tensile strength body inside the core body. Another object of the present invention is to provide a handrail which can be easily embedded and has a high tensile strength and which is easy to manufacture.

[0009]

The gist of the present invention is to provide a handrail in which a decorative rubber is laminated on an upper layer of a core body having a substantially C-shaped cross section formed by laminating a plurality of canvas cloths, A handrail is characterized in that a canvas body woven with a tensile body as warp yarns is present inside the core body along the longitudinal direction of the handrail.

In the present invention, as the tensile strength member, one selected from steel cord, polyester cord, aliphatic polyamide cord, aromatic polyamide cord and glass fiber cord is suitable.

In the present invention, the filamentous material is cotton thread,
Polyester yarn, polyvinyl alcohol yarn, etc. are used.

[0012]

In the handrail of the present invention, since the canvas body woven with the tensile body as the warp yarn is provided inside the core body, the canvas body itself plays the role of the conventional tensile body. Since it is in the form of a single sheet, the work of embedding it inside the core can be performed quickly and extremely easily, and as a result, the productivity, tensile strength and dimensional accuracy of the handrail can be significantly improved.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the handrail of the present invention will be described with reference to the drawings.

FIG. 1 is a cross-sectional explanatory view showing an embodiment of the handrail of the present invention.

In FIG. 1, 4 is a core body of the present invention,
The core body 4 of the present invention includes three canvas cloths 41, 42 and 43,
Tensile canvas body 5 embedded between the canvases 41 and 42
And are laminated and adhered.

And, the canvas body 5 which is embedded is
As shown in FIG. 2, a tensile strength member 51 as a warp yarn and a filamentous member 52 as a weft yarn are woven.

Therefore, in the handrail according to one embodiment of the present invention, the tensile canvas body 6 is placed on the center of the canvas 41, then the canvases 41 and 42 are sequentially mounted thereon, and then compressed to approximately C. The C-shaped core body 4 can be manufactured quickly and easily by laminating and molding in a V shape.

Then, the obtained C-shaped core body 4 of the present invention is obtained.
A vulcanized handrail according to an embodiment of the present invention can be obtained by placing an unvulcanized decorative rubber on the above, then putting it in a handrail vulcanizing mold and then vulcanizing at high temperature and high pressure.

The handrail of one embodiment of the present invention thus obtained has a high productivity because the workability of embedding the canvas body 5 is excellent at the time of manufacturing, and the handrail body 5 is manufactured after manufacturing.
Exhibits a high tensile strength because it is firmly bonded straight between the upper and lower canvases 41 and 42 without meandering through the thread 52 having good adhesiveness. Moreover, since there is no meandering embedding of the strength member 2 as in the conventional case, the thickness accuracy of the handrail can be significantly improved.

[0020]

INDUSTRIAL APPLICABILITY The handrail of the present invention is industrially useful because it has high productivity at the time of manufacturing, exhibits excellent tensile strength after manufacturing, and can secure high dimensional accuracy.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view showing an embodiment of a handrail of the present invention.

FIG. 2 is an enlarged cross-sectional view of a tensile canvas body used in one embodiment of the handrail of the present invention.

FIG. 3 is a cross-sectional explanatory view of a conventional handrail.

[Explanation of symbols]

 1 Conventional Core 2 Tensile Body 3 Decorative Rubber 4 Core Body of the Present Invention 41, 42, 43 Canvas 5 Tensile Canvas Body 51 Tensile Body 52 Filiform

Claims (3)

[Claims] 1. A cross section formed by laminating a plurality of canvases is substantially C.
A handrail formed by laminating decorative rubber on a V-shaped core body, wherein a canvas body woven with a tensile strength body as warp yarns is present inside the core body along the longitudinal direction of the handrail. And the handrail. 2. The handrail according to claim 1, wherein the tensile strength member is one selected from steel cords, polyester cords, aliphatic polyamide cords, aromatic polyamide cords and glass fiber cords. 3. The handrail according to claim 2, wherein the canvas body is woven with a weft thread made of one kind selected from cotton thread, polyester thread and polyvinyl alcohol thread. .