JPS60101309A - Wood fixing method - 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 The present invention involves drilling a tapered hole extending through all of the overlapping pieces of wood at a predetermined location, and then press-fitting a tapered shaft-shaped nail piece into the hole. The present invention relates to a method for fixing wood that can firmly and reliably integrate overlapping pieces of wood by embedding the wood and has excellent workability.

For example, when nailing flooring material (&) to joists (b) as shown in Figure 7, in order to prevent the nail head (0) from being exposed on the floor surface, it is necessary to Blind hole for nailing (d
) and nail the flooring material (&) to the joist (b) by driving a nail at the bottom of the blind nailing hole (d),
The nail head (0) is hidden by press-fitting and embedding the lumber (1) into the blind nailing hole (d). In such a case, if the nailing process and the wood filling process can be performed in one process, the work efficiency can be dramatically improved.

The present invention aims, for example, to provide a method for fixing wood that can meet such demands, and one embodiment thereof will be described below with reference to the drawings.

Figures 1 and 2 show the wood (2) that is the flooring material (2&)
81L) is fixed to the wood (3) using nail pieces (4), and a base board (5) is interposed between the joist (8a) and the flooring (2a). There is.

The flooring material (2&) has a material that penetrates the base plate (5) at a predetermined location on the joist (8a) and has a thickness of approximately 2A, which is the thickness of the joist (8&).
A continuous tapered hole (6) is drilled up to a certain extent. Note that the hole (6) may penetrate through the joist (8a).

The nail piece (4) is made of the same quality raw material as the flooring material (2&) and the joist (8&), and is formed into a tabular shaft shape with a circular cross section, and its length is equal to the depth of the hole (6). It is set a little longer than Sayo. The diameter of each longitudinal portion of the lead piece (4) is larger than the inner diameter of the corresponding portion of the hole (6) so that the lead piece (4) can be press-fitted into the hole (6). It is formed slightly larger. Note that the above-mentioned raw materials of similar quality are not limited to raw materials of the same quality, but also include raw materials whose materials are similar to the extent that they do not cause problems in fixing the wood. It can be manufactured as follows. That is, as shown in Figure 8, flooring material (21L)%
The center layer part (9) of the round cut material (7) is made by cutting into rounds a log of the same or similar tree species as the joist (8a), or a log with a comparatively small internal diameter and having a thickness similar to that of a branch. ,
As shown in Figure 4, the cylindrical blade (
The cylindrical blade Q0 is inserted between II and the pressing tool αυ, and the pressing tool Oη is advanced toward the cylindrical blade 0G.
The columnar body (2) is manufactured by punching out the central layer portion (9) to form a columnar body σ bar, and then finishing the curved surface of the columnar body (2) into a tapered shape.

However, the small diameter end portion (4a) of the lead piece (4) is inserted into the hole (6).
When the lead piece (4) is pressed into the hole (6) by pressing the lead piece (4) into the hole (6) and hitting the large diameter end face (4S) with a hammer or the like,
As shown in FIG. 2, the lead piece (4) is embedded in close contact with its circumferential surface pushing outward and expanding the inner circumferential surface ae of the hole (6), and as a result, The floor material (2a) is made of lead pieces (4
) through which the joists (a a) C are fixed. After the lead piece (4) is embedded, final finishing is performed with a plane or the like as appropriate so that the large-diameter end face of the lead piece (4) is flush with the floor surface.

At that time, an adhesive may be interposed between the lead piece (4) and the hole (6) as necessary, and in particular, the peripheral surface of the lead piece (4) (
2), as shown in Fig. 5, or if four parts (171) are formed as shown by the dashed line in the same figure, the lead piece (4) has a circumferential surface a. Ensures the adhesion of the applied adhesive and improves adhesive strength.

Furthermore, as shown in FIG. 5, on the inner circumferential surface (g) of the hole (6), a thin groove aI is formed so as to face the thin groove a or the four parts 0' when the lead piece (4) is embedded. In the case where a groove is provided around the circumference or a recessed part is provided, the bonding strength can be further improved. This is an example of a lead piece (4) in which multiple fin-like protrusions (C) protruding toward the large diameter end (C) are arranged around the large diameter end. (4) Lifting up is more reliably prevented.

As described above, the method of the present invention involves forming a tapered hole (6) in a predetermined portion of the overlapping pieces of wood, extending through all of these pieces of wood.
After drilling the hole m(
As a result of press-fitting and embedding into the lead piece (4), the peripheral surface of the lead piece (4) and the hole (
The inner circumferential surface (to) of 6) is in close contact with the inner circumferential surface Q0 of the hole (6) in a state where the circumferential surface 0 pushes the inner circumferential surface Q0 of the hole (6) outward, and therefore all the wood to be fixed is attached to the lead piece (4). Unify through. Furthermore, since the lead piece (4) has a tapered shaft shape, the small-diameter end portion (4a) of the lead piece (4) can be easily inserted into the hole (6). Press-in work can be done efficiently and the workability is excellent.

In particular, when the method of the present invention is applied to the case of fixing various types of wood such as flooring materials, wall boards, ceiling boards, square timbers, etc. to the base material as described above, the nailing process and the wood embedding process are performed. This can be done in one step, improving work efficiency. In the method of the present invention, the lead piece may be a synthetic resin, etc., as long as it does not interfere with achieving the purpose of the present invention.
It is also possible to form it using materials other than wood. Furthermore, the method of the present invention can be widely applied not only to the case shown in the embodiments but also to the case of integrating overlapping pieces of wood, such as fixing frame members to each other during assembly work of furniture, cabinets, etc.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view explaining the present invention in detail, Fig. 2 is a sectional view thereof, Fig. 8 is a perspective view illustrating a round cut material used for manufacturing nail pieces, and Fig. 4 is a center of the round cut material. Fig. 6 is a partially cutaway side view illustrating the procedure for punching out the layered portion; Fig. 6 is a perspective view showing another example of the lead piece, along with how it is press-fitted and embedded in the hole; FIG. 7 is a perspective view showing an example, and FIG. 7 is a sectional view showing a state in which a lumber is press-fitted into a blind hole for nailing. (2) (3n... wood, (4) '' lead piece, (6n... hole. Patent applicant Yasukiyo Inoue Figure 3 9' \---- Figure 4 Figure 6 figure

Claims (1)

[Claims] (1) After drilling a continuous tapered hole in a predetermined part of the overlapping pieces of wood so that it opens on at least one outer wood surface,
A nail piece with a circular cross section and a shaft shape is press-fitted into the hole,
A method for fixing wood that is characterized by integrating overlapping pieces of wood by embedding.