JPH11225840A - Pipe leg non-slip cover and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively prevent a slip on a floor and the damage of a floor surface by winding a pipe leg non-slip cover around a pipe leg of furniture like a coil due to the spring back action that curls due to restoration and elastic force of a belt material itself having rubberlike cushioning quality to bring sides on longitudinal sides close mutually and obliquely. SOLUTION: A belt material 1 which is made of a soft polyurethane resin material and has rubberlike cushioning quality is molded in such a way that it is crumpled like a coil by curving obliquely so as to bring an acute angle part 13 and an obtuse angle part 14 close to each other and make them meet and bringing sides 11, 12 on longitudinal sides close mutually by releasing external force. The belt material 1 having cushioning quality which is obtained in this way is cut to a fixed dimension by a cutter and is aligned to complete a pipe leg non-slip cover. This pipe leg non-slip cover is wound around a pipe leg of furniture like a coil. Consequently, it is possible to prevent a slip on a floor and the damage of a floor surface effectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-slip cover for floor furniture (for example, a chair) and a method of manufacturing the same, and more particularly to a method for restoring a curl habit in which opposite sides of a flexible band are approached. By applying, it is possible to effectively prevent slippage on the floor and damage to the floor surface by being freely wound in a coil shape around the target pipe leg without being limited by the diameter of the pipe leg of the floor furniture. With a pipe leg non-slip cover,
The present invention relates to the manufacturing method.

[0002]

2. Description of the Related Art Some floor furniture such as chairs, desks, and tables are used in such a manner that pipe-shaped pipe legs are grounded in line contact with the floor surface. This type of floor-standing furniture with pipe legs can be easily manufactured by simply bending round bars (metal, synthetic resin, bamboo, wisteria, etc.). Widely used in ordinary households.

[0003] However, furniture such as a chair installed on the floor with such pipe legs, such as a chair, has a problem that in addition to slipping on the floor surface, the floor surface is easily damaged by frequent sliding. Was. In view of the above, conventionally, a floor synthetic floor cover as shown in FIG. 1 is fitted with a cover made of a soft synthetic resin as shown in FIG.

However, the conventional pipe leg cover material shown in FIG. 1 has a shape in which a cylindrical wall T of a cylindrical synthetic resin molded body is simply linearly opened and closed so as to be openable and closable. When subjected to this, the disadvantage that the portion of the opening / closing slit O is easily opened and easily detached by elastic deformation is inevitable. For this reason, in the conventional tubular pipe leg cover material, when the clasp K is attached to the opening / closing slit O and fitted to the pipe leg F, the opening / closing slit O is locked by the clasp K. Operation was required.

Needless to say, such a clasp C
However, this increases the manufacturing cost of the conventional pipe leg cover material and causes inconvenience in use.

[0006]

DISCLOSURE OF THE INVENTION The present invention has the above-mentioned drawbacks in articles which have been conventionally provided to prevent slippage or to prevent damage to the floor surface by being attached to the pipe legs of furniture (particularly, chairs). It was made in view of the above, and is not limited to the diameter of the pipe leg of the floor furniture, it is coiled on the target pipe leg in free size without using any auxiliary parts for fixing. It is a technical object to provide a pipe leg non-slip cover that can be effectively wound to prevent slip on the floor and floor damage, and a rational manufacturing method thereof.

[0007]

Means adopted by the present inventor to solve the above technical problem will be described below with reference to the accompanying drawings.

First, the pipe leg non-slip cover provided by the present invention is a rubber-like cushioning band material 1, which is curled by its own restoring elasticity so that the long sides 11 and 12 are inclined. Furniture pipe legs F due to the approaching springback action
It is characterized in that it is configured to be wound in a coil shape.

Incidentally, the material of the rubber-like buffer material is a polyolefin resin such as polyethylene resin or polypropylene, a soft synthetic resin such as polyurethane resin, nylon resin or soft vinyl chloride, or urethane rubber, isoprene rubber, or the like. Synthetic rubber such as chloroprene rubber, butyl rubber, nitrile butadiene rubber and the like can be used. In addition, as for this band material 1, as needed,
It is possible to reinforce by enclosing fibers, knitted fabrics, and fabrics, and it is also possible to provide a slight adhesion, that is, a blocking property to the inner surface to be wound around the pipe leg F, and to prevent slipping on the pipe leg F. It is more effective. This blocking property can be provided by layering a low-density polyethylene resin or applying a slightly adhesive rubber paste.

Next, as a method of industrially mass-producing the above-mentioned pipe leg non-slip cover, the following forming means can be employed.

In the first method, a soft synthetic resin material or a synthetic rubber material is extruded into a tube to produce a buffer-shaped tubular molded body H having rubber elasticity, and a tube wall h of the tubular molded body H is formed. After making a long strip 1a of rubber-like cushioning material having elasticity for restoring the curl habit by making a helical incision, the long strip 1a is traversed to a required size to form a coil-like shape on a pipe leg of furniture or the like. And a pipe leg non-slip cover that can be wound on the cover.

In the second method, a soft synthetic resin material or a synthetic rubber material is extruded into a tubular shape while forming a spiral incision slit in a tube wall h, and a long length of a cushioning material having elasticity for restoring curl habit. The present invention is characterized in that a band material 1a is produced, and a tube leg non-slip cover which can be wound in a coil shape around a tube leg of furniture or the like by traversing the long band material 1a to a required dimension is obtained.

Further, a third method is to produce a buffered tubular molded body H having rubber elasticity by extruding a soft synthetic resin material or a synthetic rubber material into a tubular shape.
The tubular molded body H can be traversed to a required dimension, and the tube wall h of the tubular molded body H thus produced can be spirally cut and wrapped in a coil shape around a pipe leg of furniture or the like by the elasticity for restoring the curl habit. It is characterized by obtaining a pipe leg non-slip cover.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a non-slip cover according to an embodiment of the present invention; FIG.

FIG. 2 is a perspective explanatory view showing a state in which the pipe leg non-slip cover according to the embodiment of the present invention is curled into a coil shape and restored from a deployed state (broken line).

In FIG. 2, what is indicated by reference numeral 1 is a rubber-like cushioning band formed of a soft polyurethane resin, which forms a parallelogram in a developed state as shown by a broken line. When the deployment force is released, it has a habit of curving in a coil shape with its own restoration elasticity. More specifically, when the external force is released, the rubber-like buffer material strip 1 is bent obliquely so that the recent acute angle portions 13 and obtuse angle portions 14 are close to each other, and are associated with each other.
Are formed so that they come close to each other and roll into a coil shape.

Thus, the pipe leg non-slip cover according to the present embodiment can be used by being attached to the pipe leg F of a pipe chair as shown in FIG. 3, but in this case, the thin portion as shown in FIG. also pipe leg F ₁ diameter, also it is possible with free size to wound to pipe leg F ₂ of large diameter such shown in FIG. 5, like the related-art clasp, to require any fasteners such as screws It is possible to stably attach it to the pipe legs.

Next, a specific method of manufacturing the pipe leg non-slip cover of the present invention will be described with reference to FIGS.

FIG. 6 is a partially enlarged perspective view illustrating a first method of manufacturing the pipe leg non-slip according to the present invention.

In FIG. 6, reference numeral E denotes an extruder. A resin material (polyurethane resin in this example) heated and melted by rotating a built-in screw conveyor S is fed to a die D.
, And is continuously extruded as a buffer-shaped tubular molded body H having rubber elasticity. Since the die D of the extruder E is configured to be continuously rotatable at a predetermined speed by the timing belt B, the extruded polyurethane resin tubular molded body H is rotated around an axis and extruded. come. Symbol M is a motor for rotating the die.

The tubular molded body H, which is extruded while rotating from the die D, contacts the cutter C disposed in the vicinity of the die while still in the heat-softening state, so that the tubular wall H is formed. h is spirally incised to form a long buffer material 1a having elasticity for restoring curl habit.

The buffer material long strip 1a thus obtained is obtained.
Is completed as a pipe leg non-slip cover by cutting it to a certain size by a transverse cutter (not shown).

E in FIG. 7 is also an extruder, and a resin material (butyl rubber in this example) heated and melted by rotating a built-in screw conveyor S is formed from a die D into a buffered tubular molded article having rubber elasticity. Extruded continuously as H. Thus, Yes and projecting incision edge D ₁ in the vicinity of the discharge port to the die D of the extruder E in FIG. 7, similarly to the case of FIG. 6, the continuous rotation at a predetermined speed the die D by the timing belt B do.

Therefore, although the molded product of butyl rubber extruded from the die D has a tubular shape, a spiral cut slit is formed in the tube wall h, and the curl habit is restored. The elastic long strip 1a having elasticity is obtained.

[0025] The buffer material long strip 1a thus obtained is obtained.
Also, a non-slip tube leg cover is completed by trimming to a certain size with a transverse cutter (not shown).

Although the pipe leg non-slip cover and the method of manufacturing the same specifically disclosed in this specification are generally as described above, the present invention is not limited to the above description and illustrated examples. Various changes can be made within the description of the claims.

For example, although not specifically described in the above embodiment, the inner surface of the buffer material band to be wound around the pipe leg is provided with a blocking property, and the inner surface of the buffer leg is slightly wound around the surface of the pipe leg. Such a configuration naturally belongs to the technical scope of the present invention.

Also, in this specification, only the case where the pipe leg non-slip cover is mounted on the pipe leg of a chair is illustrated, but it can also be used for saddle mounts, work tables, and various equipment for indoor gymnastics. Needless to say, the technical scope of the present invention naturally extends to such applications.

Further, in the present specification, as a specific example of the method of manufacturing the pipe leg non-slip cover according to the present invention, the pipe wall h is cut in a spiral shape to produce a long buffer material 1a having a curl habit. Although only the method of traversing to a certain size is mentioned later, it can also be obtained by preparing a short buffered tubular molded body of a predetermined size, and then spirally incising these tube walls. Also, it belongs to the technical scope of the present invention.

[0030]

As described above with reference to the embodiment, according to the pipe leg non-slip cover provided by the present invention, there is no limitation on the diameter of the pipe leg of the floor furniture.
In addition, it is possible to effectively prevent slippage on the floor and damage to the floor surface by winding it around the target pipe leg in a free size without any need for a fixing member to the pipe leg. Even if there is some deviation in the flatness of the tube legs, the band material wound around the tube legs is elastically deformed and absorbs errors, so that the tube legs can be stably installed without play.

Further, the pipe leg non-slip cover of the present invention can be mounted on a pipe leg quickly and simply by a simple banding operation utilizing the resilient elasticity, and is extremely effective when mounted on a large number of chairs such as a large venue. It is.

In addition, since the pipe leg non-slip cover of the present invention can manufacture the pipe leg non-slip cover with high efficiency by applying a conventionally known extruder, no special investment is required, and It can be manufactured at low cost.

As described above, the pipe leg non-slip cover provided by the present invention is inexpensive and practically incomparable with the conventional cover made of a soft synthetic resin, and its production is also efficient. It can be said that its industrial value is extremely high.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a conventional pipe leg cover made of a soft synthetic resin.

FIG. 2 is a perspective explanatory view showing a state in which the pipe leg non-slip cover according to the embodiment of the present invention is curled into a coil shape from an expanded state (broken line) and restored.

FIG. 3 is a perspective explanatory view showing a state in which the pipe leg non-slip cover of the present invention is mounted on a pipe chair.

FIG. 4 is a partially enlarged perspective explanatory view showing a state in which the pipe leg non-slip cover of the present invention is mounted on a small-diameter pipe leg.

FIG. 5 is a partially enlarged perspective explanatory view showing a state where the pipe leg non-slip cover of the present invention is mounted on a large-diameter pipe leg.

FIG. 6 is a partially enlarged perspective explanatory view illustrating a first method of manufacturing a pipe leg non-slip according to the present invention.

FIG. 7 is a partially enlarged perspective view illustrating a second method of manufacturing the pipe leg non-slip according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Flexible strip 11 ・ 12 Longitudinal side 11 ・ 12 13 Sharp part 14 Obtuse part B Timing belt C Cutter D Die D ₁ Cutting edge E Extruder F Pipe leg F ₁ Small diameter pipe leg F ₂ Thick Diameter pipe leg H Elastic tubular molded body h Pipe wall K Clasp M Die rotation motor O Opening / closing slit S Screw conveyor T Tube wall

Claims (8)

[Claims] 1. A rubber-like cushioning band material, which is curled by its own restoring elasticity and formed into a coil-like shape on a tube leg of furniture or the like by a springback effect in which opposite sides on the longitudinal side approach obliquely. A pipe leg non-slip cover that can be wound. 2. The rubber-like cushioning material has a substantially parallelogram shape, and the elasticity of the curl habit is applied so that the recent acute and obtuse angles meet obliquely. The pipe leg non-slip cover according to claim 1. 3. The pipe leg non-slip cover according to claim 1, wherein the rubber-like buffer material is a molded product of a soft synthetic resin material or a rubber material. 4. The method according to claim 1, wherein the inner surface of the band material to be wound around the pipe leg has a blocking property, and can be slightly wound around the pipe leg. , Non-slip cover for pipe legs. 5. A tubular molded article having rubber elasticity is produced by extruding a soft synthetic resin material or a synthetic rubber material into a tubular form, and the tubular wall of the tubular molded article is cut open in a spiral to form a curl habit. After producing a rubber-like elastic buffer strip having a restoring elasticity, the rubber strip can be wrapped in a coil shape around a pipe leg of furniture or the like by traversing the buffer strip. A method of manufacturing a pipe leg non-slip cover, characterized by obtaining a buffer material. 6. A tubular wall of the tubular molded body which is extruded into a heat-softening state while rotating the rubber-elastic buffered tubular body while rotating around an axis, and which is in a heat-softening state by a cutter arranged near the extrusion opening. 6. The method for manufacturing a pipe leg non-slip cover according to claim 5, wherein the pipe wall of the tubular molded body is cut in a spiral shape by contacting the pipe to make a long buffer material. 7. A long band material of a buffer material having a elasticity for restoring curl habits by extruding a soft synthetic resin material or a synthetic rubber material into a tube while forming a spiral incision slit in a tube wall, A method of manufacturing a pipe leg non-slip cover, characterized by obtaining a flexible band material that can be wound in a coil shape around a pipe leg of furniture or the like by traversing the long band material to a required dimension. 8. A buffer-shaped tubular molded body having rubber elasticity is produced by extruding a soft synthetic resin material or a synthetic rubber material into a tubular shape and traverses to a required dimension. A method of manufacturing a pipe leg non-slip cover, characterized in that a rubber-like buffer material that can be spirally cut and wound around a pipe leg of furniture or the like in a coil shape by a restoration elasticity of a curl habit is obtained.