JPS635710A - Edge mount method in top plate of desk - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of attaching a synthetic resin edge to the side edge of a top plate of a desk or the like.

[Conventional technology]

When attaching the edge to the peripheral edge of the desk top, the desk top is housed in the formwork, an annular space is formed between the inner surface of the form and the outer surfaces of the four peripheries of the desk top, and the edge is placed inside the space. A method in which synthetic resin such as polyurethane is filled and cured is disclosed in Japanese Utility Model Application Publication No. 58-152139, and according to this method, forming the edge and fixing it to the side surface of the top plate can be done at the same time. There are advantages to being able to do so.

[Problem that the invention seeks to solve]

By the way, if the edge is attached by directly injecting resin onto the side of the table top, the edge will stick to the side of the table top due to the adhesive force of the resin. There is no problem if the edge is formed integrally around the four circumferences, but if it is attached to only the left and right sides, or to the three end faces of the left and right sides and the rear end, it is not a problem if the edge is formed in a simple band shape. If it is attached independently to one side, there is a problem in that it tends to peel off from both ends.

In other words, if the edge is integrally molded into an annular shape,
It is not possible to pull the edge along its length,
To peel off the edge, you need to apply force to the edge from above and pry it open from the long side edge, but there is no grip at the long side edge, so it is difficult to concentrate the force on the narrow part. Therefore, the edges do not peel off easily.

However, if the edge is simply a strip, the end surface of the bonded area at the end of the edge is exposed to the outside, so if an object comes into contact with the edge end surface or is pressed by hand and force is applied, the force will be Peeling occurs mainly in the narrow bonded area at the edge, and once the peeling occurs, the edge becomes a free end, so hold the edge and pull it in the longitudinal direction. It can be easily torn off. In particular, in the case of a desk top made of a thin metal plate, the above-mentioned problem becomes noticeable because the outer peripheral surface is smooth and the adhesive strength of the edges is weak.

For this reason, when attaching the edge independently to one side of the top plate, the edge must be held down with metal fittings, etc.
It took a lot of time to install the edges.

The present invention enables the edge to be fixed to one side of the top plate by directly injecting resin to the edge of the top plate without easily peeling off. This makes it possible to reduce the labor involved in molding and mounting when the edges are provided independently.

[Means for solving problems]

Therefore, in the present invention, when attaching a synthetic resin edge to one side of a top plate of a desk or the like, after forming a protrusion on at least one end of one side of the top plate, the protrusion The one side surface containing the edge is covered with a formwork body that creates a void in the shape of the edge between the one side surface and the one side surface, and then the void is filled with a liquid synthetic resin and cured. It is designed to be cut out.

[Action/effect of the invention]

By filling the void formed between one side of the top plate and the form body with liquid synthetic resin and curing it, the edge is formed and fixed to one side of the top plate. Since a protrusion is formed on at least one of the ends, the cutter is formed with the protrusion buried therein. Therefore, in the area where the protrusion is provided, the adhesive area with the machining/nozzle increases, the adhesive strength increases, and it becomes difficult to peel off, and the edge is engaged with the protrusion, so the protrusion In the vicinity of the edge, even if a force is applied to the edge from the outside, the edge is prevented from shifting, and peeling of the edge from the end is prevented or reduced.

In this way, in the present invention, even if the edge is adhered to one side of the top plate due to the adhesive force of the synthetic resin itself when it hardens, it is possible to prevent it from peeling off from the edge by providing the protrusion in advance on the side of the top plate. Therefore, it is possible to install the workpiece 7 independently on one side of the top plate by filling the space between the one side of the top plate and the form body with resin, and the edge can reduce the hassle of forming and installing the
This also has the effect of reducing the manufacturing cost of top plates for desks and the like.

〔Example〕

Next, an example in which the present invention is applied to a desk top plate is shown in the drawing (
1 to 4), the reference numeral 1 denotes a desk top plate made of a thin metal plate, etc., and the front and rear ends of one side surface 1a of the desk top plate 1 are provided with an appropriate distance from the one side surface 1a. A protruding body 2 having a protruding piece 2a extending in parallel across the two sides is fixed by screwing or explosion welding, and the protruding body 2 is fixed to one side surface 1a.
An edge 3 made of synthetic resin such as foamed polyurethane is installed while the edge is buried.

Attachment of the edge 3 is carried out by the following procedure.

That is, first, the protrusions 2 are fixed to both ends of one side surface 1a of the desk top plate 1, and then @4a having the same shape as the edge 3 is formed on the entire surface 1a. By fitting the body 4, a cavity 5 is formed between the mold body 4 and one side, and after filling the cavity 5 with liquid resin and hardening it, the mold body 4 is replaced. This is done by removing the
The edge 3 is formed with the protrusion 2 buried therein. The edge 3 formed in this way is adhered to one side 1a over its entire length by the adhesive force of the edge itself, and furthermore, the edge 3 has a protruding piece 2a extending parallel to the one side 1a at the end. Since it is buried, this protruding piece 2a
Since the synthetic resin of edge 3 is filled between the edge 3 and one side 1a, the resistance to the force that acts to pry open the edge 3 ends increases, preventing objects from accidentally coming into contact with the edge 3. Even if a person presses it with their hands, it will not peel off from the edge.

In addition, by fixing the protrusion 2 over the entire one side surface 1a, the fixing force may be strengthened over the entire surface, or conversely, like an edge provided on the side surface of a desk, force may be applied to the rear end surface. In a case where there is almost no interference, the protrusion 2 may be provided only on the front end of the side end face.

The second embodiment shown in FIG. 5 is an example in which the protrusion 2 is formed by screwing a screw 6 into one side surface 1a.A commercially available screw 6 can be used and installation is easy. . In this case as well, since the screw 6 is buried with its head and screw thread biting into the inside of the edge 3, it is possible to reliably prevent the screw 6 from coming off from the attachment point, as in the previous embodiment. .

The third embodiment shown in FIGS. 6 and 7 is an example in which a perforated metal plate 7 is fixed as the protrusion 2. In this case as well, the edges 3 are formed with a large number of holes 7a. The adhesive area increases, the adhesive strength increases, and it becomes difficult to peel off, and since the perforated metal plate 7 is engaged with the edge 3, it will not peel off even if force is applied to the front end surface of the edge 3. is prevented.

FIG. 8 shows a fourth embodiment in which a bent expanded metal 8 formed by perforating appropriate locations on a bent metal plate is used for the protrusion 2, and resin enters through the hole 8a and expands the expanded band. Since the metal 8 and the edge 3 are integrated, the first
As in the embodiment, peeling from the end portions can be reliably prevented.

FIGS. 9 and 10 show an example in which a protrusion 2 is formed over the entire one side surface 1a of a desk top plate 1 made of a thin metal plate by bending the side plate 1b. Among these, in the fifth embodiment shown in FIG. 9, the protrusion 2 is formed in a wedge-shaped cross-sectional shape that widens in the vertical direction toward the outside, so that the edge 3 can be turned over from above or below in the longitudinal direction. Is it resistant to action?

- On the other hand, in the sixth embodiment shown in FIG. 10, the protrusion 2 is formed to have a rectangular cross section. Since an appropriate gap is formed between the lower surface of the flat plate IC such as the top plate of the desk top plate 1 and the protrusion 2, similar to the fifth embodiment, there is This means that it can strongly resist the turning action.

In addition, in each of the embodiments shown in FIGS. 5 to 10, similarly to the first embodiment, the protrusion 2 is provided at one end or both ends of one side surface 1a, or over the entire one side surface 1a. The shape of the protrusion 2 is not limited to the shape of the above embodiment, and the shape of the protrusion 2 is not limited to the shape of the above embodiment. It goes without saying that a form of .

Furthermore, it goes without saying that the edges 3 may be attached to multiple sides of the four circumferences of the desk top plate 1 using the same method. Furthermore, it goes without saying that the present invention can also be applied to wooden desk tops.

As described above, according to the method of the present invention, by providing the protrusion 2 on at least one end of the one side surface 1a, the edge 3 is simply stuck to its own adhesive force. Even if there is no edge 3, it is preferable to provide the edge 3 independently on one side 1a of the desk top plate 1, because it can prevent the protrusion from peeling off from the end where the protrusion is provided.
This can be done by direct injection molding of resin onto the surface, and it is extremely easy to attach the edge 3 independently to one side surface 1a.

It goes without saying that the present invention can be similarly applied to tabletops other than desk tops.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a perspective view of the desk top, FIG. 2 is a sectional view taken along line nn of FIG. 1, FIG. 3 is a partial side view of the desk top, and The figure is a partial front view of the desk top plate, FIG. 5 is a sectional view showing the second embodiment, and FIG. 6 is a plan view of the third embodiment.
7 is a side view of FIG. 6, FIG. 8 is a partially cutaway plan view of the fourth embodiment, FIG. 9 is a sectional view showing the fifth embodiment, and FIG.
The figure is a sectional view showing the sixth embodiment. 1...Desk top plate, 1a...One side, 2...Protrusion, 3...Edge, 4...Form body, 4a...
...Groove, 5...Vacancy.

Claims (1)

[Claims] (1) In attaching a synthetic resin edge to one side of a top plate of a desk or the like, after forming a protrusion on at least one end of one side of the top plate, the protrusion is included. Covering the one side with a formwork that creates a space between it and the one side according to the shape of the edge, and then
A method for attaching an edge to a top plate of a desk or the like, characterized in that the space is filled with liquid synthetic resin, cured, and then die cut.