JP2002276114A - Non-slip staircase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coated non-slip staircase which can be easily constructed, brings about a great non-slip effect including visual recognition, and has excellent durability. SOLUTION: In the non-slip staircase, fine particles F and a coating are applied to a front end of a surface of a wooden treadboard 11 so as to form a non-slip part SP. A paint film layer PL is made thin enough to make the fine particles F protrude partially upward from the film layer PL coated with the coating. A paint film layer higher in lightness than parts except the non-slip part SP of the treadboard 11 is used as the film layer PL so as to highlight visibility of the non-slip part SP, and the film layer PL is made transparent or translucent in order to enable the visual recognition of wood grain of the treadboard 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden staircase provided in a house or the like, in which a step board is provided with a non-slip.

[0002]

2. Description of the Related Art As a tread for stairs in a general house, the sole of which touches the sole directly when climbing up and down, it has a good feeling, is relatively inexpensive, and is made of wood, such as wooden or LVL, which has excellent durability. What a decorative veneer is adhered to the base material is often used. According to various research reports on stair safety published so far, the danger when using the vehicle is lower when climbing than when climbing.
It has also been pointed out that the steeper the slope, the steeper than the straight, the higher the bend, and the insufficient or insufficient handrails / lighting, the higher the height. Accidents often occur, such as being missed, misplaced, or slipping, stepping off, and falling.

[0003] In order to enhance the safety of climbing up and down stairs, it is necessary to eliminate the above factors, but due to restrictions on layout, etc., often sufficient measures cannot be taken. There is still a high expectation that the front end of the tread plate will be easier to recognize and the foot will not slip easily, and there are many conventional examples.

[0004] The conventional example and its problems are listed below. Non-slip groove A plurality of linear grooves formed near the nosing of the tread plate facilitates visual recognition of the front end of the tread plate and increases friction. These can be easily constructed with a slight modification of the processing machine, and are widely implemented, but have the following problems. The anti-slip effect is extremely small. Garbage easily accumulates in the grooves, making it difficult to clean the garbage. The thin decorative material is not suitable because the excavation of the trench exposes the base material and makes it unsightly.

B. Non-slip material It is made of rubber or plastic, has an L-shaped cross section or a flat plate, and is fixed to a tread plate with a double-sided tape or a screw at a factory or site. Due to the shape of the irregularities on the surface, the anti-slip effect and the visual effect are high if colored,
There are the following problems. It is not completely integrated with the tread, and if it is thick and has a large degree of protrusion from the tread, it may be caught on the foot, or if it is thin, the strength will be low, and it may peel off due to repeated friction and other external forces, and it will last Lack of sex. The material of the tread is different from that of the tread.

C. Non-Slip Coating Japanese Patent No. 2653144 (Japanese Patent Application Laid-Open No. 2-171456) discloses a coating having a thickness of, for example, about 150 μm, by applying a coating in which soft fine particles are added to a soft synthetic resin on the surface of a tread plate body. It is described that a layer is formed, and that the application of the soft synthetic resin is such that a large number of irregularities appear on the upper surface of the coating layer along the soft fine particles. Also, Japanese Patent Application Laid-Open No. 7-9100
In JP-A-4, a part of the surface of the painted tread is painted (especially silk screen painting with a screen mesh), and provided with a non-slip portion which is raised, for example, by 100 μ or more, and furthermore, the visibility is improved and / or the appearance is improved. For example, it is described that a coloring pigment, a fluorescent pigment, and the like are mixed with the paint.

However, the former patent 2653144
The means for causing a large number of irregularities to appear on the upper surface of the coating film layer is not clearly shown, and the coating film layer is thicker than the maximum particle size of the fine particles in ordinary coating, for example. If the ratio is low, there is a problem that the fine particles are buried in the coating film layer and irregularities sufficient for preventing slippage do not appear. In addition, since the non-slip portion is less clear than the other portions in terms of visibility, there is a possibility that the slip-off portion may be accidentally removed. Further, the anti-slip effect of the anti-slip portion obtained by the latter JP-A-7-91004 depends on the protuberance, and the protuberance becomes worn during repeated contact with the foot, becomes smooth, and becomes slippery. There is a problem that the stopping effect is lost in a short time.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the drawbacks of the above-mentioned prior art, to facilitate the construction, to have a high anti-slip effect including visual recognition, and to have excellent durability. To provide stairs with stops.

[0009]

In order to achieve the above object, a non-slip staircase according to the first aspect of the present invention is a method in which fine particles (F) and paint are applied to the front end of a wooden tread (11). A non-slip step having a non-slip portion (SP) formed by being applied, such that a part of the fine particles (F) protrudes upward from the coating layer (PL) of the paint. The thickness of the coating layer (PL) is reduced, and the anti-slip portion (S) of the tread plate (11) is used as the coating layer (PL).
The visibility of the non-slip portion (SP) is emphasized by using a material having a higher brightness than the portions other than P), and the coating layer (PL)
Is transparent or translucent so that the grain of the footboard (11) can be visually recognized.

The stairs with non-slip according to the second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, have a thickness of the coating layer (PL) when the average diameter of the fine particles (F) is 50 μm. It is characterized in that the separation resistance is increased by setting it to less than 50 μm.

According to the third aspect of the present invention, a non-slip portion (SP) is formed by applying fine particles (F) and paint to the front end of the surface of the wooden tread plate (11). A non-slip staircase, wherein the fine particles (F)
Are laminated in a state where they are substantially in contact with each other, and the gap is filled with the paint so that a part of the fine particles (F) protrudes upward from the paint film layer (PL). The visibility of the non-slip portion (SP) is emphasized by using a film layer (PL) having a higher brightness than the portion other than the non-slip portion (SP) of the tread (11), and the coating layer (PL) ) Is transparent or translucent so that the grain of the footboard (11) can be visually recognized.

The stairs with a non-slip of the invention according to a fourth aspect of the present invention include, in addition to the configuration according to any one of the first to third aspects of the invention, one or both of a phosphorescent material and a fluorescent material added to the paint. It is characterized by the following.

According to a fifth aspect of the present invention, there is provided a staircase with a non-slip surface according to any one of the first to fourth aspects, wherein the fine particles (F) are made of polypropylene beads, walnut powder, silicon carbide, rubber particles, sand. Or any of the following.

[0014] The symbols in parentheses described in the means for solving the above-mentioned problems correspond to the symbols described in the embodiments of the invention described later and the drawings.

According to the first aspect of the present invention, the disadvantages of the conventional non-slip groove and the non-slip material can be solved. In addition, the problem of insufficient durability due to catching, peeling, and the like of the anti-slip material, which is observed in the non-slip material, is eliminated.

[0016] The anti-slip effect is large.
The problem of burying fine particles therein is eliminated, and a sufficient frictional force is exerted by the fine particles protruding from the coating layer, so that the anti-slip effect is large.

It has excellent durability. Rather than the conventional non-slip which depends on the bump of the coating layer, the coating layer is thin and integrated with the tread, so that the coating layer is hard to peel off and has excellent durability. If a wear-resistant material is used for the fine particles, there is no concern about the wear resistance.

Excellent visibility Since the non-slip portion has a higher brightness than the rest of the tread, it has a strong stimulus to visual sense. That is, since the visibility is excellent, the surrounding area becomes dark and the remaining portion is darkened. Even if it becomes unclear, the anti-slip part emerges relatively clearly,
Accidentally stepping off the landing point is significantly reduced.

There is no sense of incongruity and a high sense of unity in design. In the anti-slip portion, the coating layer is transparent or translucent so that the grain of the tread is visible, so that the sense of unity with the tread is increased, and there is no sense of incongruity. High sense of unity in design.

According to the second aspect of the present invention, in addition to the functions and effects of the first aspect, even if the coating layer is thin, it is hard to be abraded if the fine particles have high abrasion resistance. Is not affected by the thickness, and the anti-slip effect is maintained for a long time. In addition, the thinner the coating layer, the greater the integration with the tread plate, thereby further improving the peel resistance.

According to the third aspect of the present invention, in addition to the effects of the first aspect of the invention, the fine particles have low abrasion resistance, and are abraded or peeled off by friction with the foot. Even if the steel is worn, new fine particles appear one after another, so that the anti-slip effect is maintained for a long time.

According to the invention of claim 4, claims 1 to 3 are provided.
In addition to the functions and effects of any of the inventions described above, since one or both of the phosphorescent material and the fluorescent material are added to the paint, it becomes dark, the surroundings are wrapped in darkness, and even if it becomes invisible, it does not slip. Since only the portion emits light, the leading end of the tread is not mistaken.

According to the invention of claim 5, claims 1 to 4 are provided.
In addition to the functions and effects of any of the inventions described above, all of the listed materials have their respective characteristics such as flexibility and abrasion resistance as an anti-slip material, and have a high affinity for paint, so that It is firmly held in the layer, does not fall off, and can fully exhibit its characteristics.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment
The embodiment will be described with reference to the drawings.
1 is a perspective view, and FIG. 2 is an enlarged sectional view of a main part of FIG.

The non-slip stairs 10 of the present invention can be applied to what is referred to as a "final staircase" shown in FIG. 1 in terms of, for example, ease of implementation. More specifically, a plurality of steps 11 are mounted on a pair of left and right bases provided between upper and lower floors, and a non-slip portion SP is provided at the front end of the surface of the step 11. The application of the non-slip portion SP is preferably performed by a coating device such as a curtain flow coater, a roll coater, and a spray before shipment from a factory.

The non-slip portion SP is formed by applying the fine particles F and the paint in a strip shape along the front end of the surface of the tread plate 11. In addition, the coating layer PL is formed sufficiently thin so that at least a part of the fine particles F (for example, a portion having a large particle diameter) protrudes upward (the upper part of the particles) from the coating layer PL made of paint. ing.

For this purpose, it is preferable that the fine particles F are stacked in one stage or at most about two stages, rather than stacked in multiple stages. Moreover, the fine particles F are laminated,
When the coating layer PL is thickened to such an extent that a part thereof protrudes, most of the fine particles F are buried in the coating film PL and do not contribute to the non-slip, so that a large amount of the fine particles F and the paint are required. Therefore, the thickness may be a value necessary for fixing the fine particles F, and is the same order as the particle diameter of the fine particles, for example, less than 100 μm when the average diameter of the fine particles is 50 μm, preferably 5 μm.
About 0μ is preferable.

In addition, the non-slip portion SP is more stimulating to the sight than the rest of the tread 11 so that it can be distinguished from other portions even when it becomes dark as well as when it is bright. That is, the visibility of the non-slip portion SP is emphasized by using a layer having a higher brightness than the portion other than the non-slip portion SP of the tread plate 11 as the coating film layer PL. Moreover, the coating layer PL is transparent or translucent so that the grain of the tread 11 can be visually recognized. For example, it is colored in a transparent or translucent white / yellow / fluorescent color. Preferably, one or both of a phosphorescent material and a fluorescent material are added to the paint.

Further, each of the fine particles F is desirably one of polypropylene beads, walnut powder, silicon carbide, rubber particles, and sand, each of which has characteristics as a non-slip material and has a high affinity for paint.

The stairs 1 with anti-slip constructed as described above
According to 0, the exposure of the base material under the decorative material and the accumulation of garbage on the groove bottom, which were observed in the conventional non-slip groove, were eliminated, and the conventional non-slip material was caught by the foot, The problem of insufficient durability due to peeling or the like is solved.

Further, since the coating layer PL is sufficiently thin, the problem of embedding the fine particles F in the conventional anti-slip coating is solved, and the fine particles F protruding from the coating layer PL are sufficient. Since the frictional force is exerted, the anti-slip effect is large.

Further, the coating layer PL is thin and integrated with the tread plate 11 instead of the conventional non-slip which depends on the protrusion of the coating layer, so that it is hard to peel off and has excellent durability.
It should be noted that the thinner the coating layer PL, the higher the integration with the tread plate 11, and thus the higher the peel resistance. Since the wear resistance depends on the wear resistance of the fine particles F, if a wear-resistant material is used for the fine particles F,
There is no worry about abrasion resistance.

Further, since the non-slip portion SP has a higher brightness than the remaining portion of the tread plate 11, it has a strong stimulus to the sight, that is, the visibility is excellent, so that the periphery is dark and the remaining portion is not good. Even if it becomes clear, the non-slip portion SP rises relatively clearly, and the possibility of erroneously stepping off the landing point is significantly reduced. Moreover, if one or both of the phosphorescent material and the fluorescent material are added to the paint, it becomes darker,
Even if the surroundings are wrapped in darkness and cannot be seen, the non-slip part SP
Since only the light is emitted, the leading end of the tread is not misunderstood.

In the non-slip portion SP, the coating layer P
Since L is transparent or translucent so that the grain of the tread plate 11 can be visually recognized, the sense of unity with the tread plate 11 is increased, there is no sense of incongruity, and the sense of unity in design is high.

The fine particles F enumerated as described above
All have characteristics such as flexibility and abrasion resistance as a non-slip material, and have a high affinity for paint, so that they are firmly held on the coating layer PL and do not fall off. Can be fully demonstrated.

Next, the second embodiment will be described with reference to FIG. 3. The configuration of the second embodiment is different from that of the first embodiment in the following points. That is, the thickness of the coating layer PL is large, and the fine particles F are laminated in a state where they are substantially in contact with each other,
The gap is filled with a paint component, whereby the fine particles F
(The proportion of the paint to the amount of the paint varies depending on the porosity, but preferably exceeds 30%).

According to this, even when the coating layer PL is thick, as in the first embodiment, at least a part of the fine particles F is not buried in the coating layer PL. Since it protrudes, the anti-slip effect is high. In addition, unlike the first embodiment, even if the fine particles F have low abrasion resistance due to friction with the foot, and the fine particles F are worn or peeled off, the coating film layer PL is worn accordingly. However, since new fine particles F appear one after another, the anti-slip effect is maintained for a long time.

[0038]

As described above, according to the first aspect of the present invention, the disadvantages of the conventional non-slip groove and the non-slip material can be eliminated. Exposure of the material and accumulation of debris on the groove bottom are eliminated, and the problem of insufficient durability due to catching, peeling, and the like of the anti-slip material is solved.

The anti-slip effect is great.
The problem of burying fine particles therein is eliminated, and a sufficient frictional force is exerted by the fine particles protruding from the coating film layer, so that the anti-slip effect is large.

Excellent Durability Rather than the conventional non-slip which depends on the bump of the coating layer, the coating layer is thin and integrated with the tread, so that the coating layer is hardly peeled off and the durability is improved. Are better. If a wear-resistant material is used for the fine particles, there is no concern about the wear resistance.

Excellent Visibility Since the anti-slip portion is brighter than the rest of the tread, the stimulus to vision is strong. That is, since the visibility is excellent, the surroundings are dark and the remaining portion is dark. Even if it becomes unclear, the anti-slip part emerges relatively clearly,
Accidentally stepping off the landing point is significantly reduced.

There is no sense of incongruity, and the sense of unity is high in design. In the anti-slip portion, the coating layer is transparent or translucent so that the grain of the tread can be visually recognized. High sense of unity in design.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the invention, even if the coating layer is thin, if the fine particles have high abrasion resistance, it is difficult to be worn. Is not affected by the thickness, and the anti-slip effect is maintained for a long time. In addition, the thinner the coating layer, the greater the integration with the tread plate, thereby further improving the peel resistance.

According to the third aspect of the present invention, in addition to the effects of the first aspect, the fine particles have low abrasion resistance, and are abraded or peeled off by friction with the foot. Even if the steel is worn, new fine particles appear one after another, so that the anti-slip effect is maintained for a long time.

According to the invention of claim 4, claims 1 to 3 are provided.
In addition to the functions and effects of any of the inventions described above, since one or both of the phosphorescent material and the fluorescent material are added to the paint, it becomes dark, the surroundings are wrapped in darkness, and even if it becomes invisible, it does not slip. Since only the portion emits light, the leading end of the tread is not mistaken.

According to the invention of claim 5, claims 1 to 4
In addition to the functions and effects of any of the inventions described above, all of the listed materials have their respective characteristics such as flexibility and abrasion resistance as an anti-slip material, and have a high affinity for paint, so that It is firmly held in the layer, does not fall off, and can fully exhibit its characteristics.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

Figure 2 is an enlarged sectional view of FIG.

FIG. 3 is an enlarged sectional view of a main part showing a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 stairs 11 tread plate F fine particles SP non-slip part PL coating layer

Claims (5)

[Claims] 1. A non-slip staircase having a non-slip portion formed by applying fine particles and a paint to a front end portion of a surface of a wooden tread, wherein a part of the fine particles is formed of the paint. The thickness of the coating layer is reduced to such an extent that the coating layer protrudes upward from the coating layer, and the coating layer is made of a non-slip part having a higher brightness than the non-slip part of the tread. A non-slip staircase characterized in that the visibility of the step is emphasized and the grain of the tread is made visible by making the coating layer transparent or translucent. 2. The non-slip staircase according to claim 1, wherein when the average diameter of the fine particles is set to 50 μm, the thickness of the coating layer is reduced to less than 50 μm to enhance the peeling resistance. 3. A non-slip staircase having a non-slip portion formed by applying fine particles and a paint to a front end portion of a surface of a wooden tread plate, wherein the fine particles are substantially in contact with each other. And the gap is filled with the paint to such an extent that a part of the fine particles protrudes upward from the paint film layer, and as the paint film layer, a portion other than the non-slip portion of the tread plate. A non-slip staircase characterized by using a brighter one to enhance the visibility of the non-slip portion, and furthermore, the coating layer is transparent or translucent so that the grain of the tread is visible. 4. The non-slip staircase according to claim 1, wherein one or both of a phosphorescent material and a fluorescent material are added to the paint. 5. The non-slip staircase according to claim 1, wherein the fine particles are selected from the group consisting of polypropylene beads, walnut powder, silicon carbide, rubber particles, and sand.