JPH09258141A - Nylol frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably fix lenses by compressing and crushing the front ends of a half eyewire, forming these front ends into a plate form to form a fixing plate and inserting metal filaments into the holes of the fixing plate, thereby fixing the lenses. SOLUTION: The wire diameter of the half eyewire is about 1.0mm and its front end is compressed and is formed into a plate form. The fixing piece 2 crushed to the plate form is formed to have a thickness T and is provided with the two holes by penetrating the fixing piece apart a prescribed spacing. The metal filament 4 for holding the lens by fitting into a hollow groove formed on the outer periphery of the lens is inserted into these holes. The metal filament 4 is detained and fixed into the two holes when prescribed tension acts thereon. The metal filament 4 inserted into the holes 3a, 3b does not break if the fixing piece 2 is formed to have some thickness T. In such a case, the metal filament 4 full to the hole diameter is passed into both holes disposed in proximity, by which the metal filament 4 is detained in the holes and is prevented from being removed. The formation of rugged patterns on the surface of the fixing piece 2 is possible as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nylon roll frame having nylon threads.

[0002]

2. Description of the Related Art The Nyroll frame is known as one type of spectacle frame. The Nyroll frame is a frame for holding the lens with water thread, and has a form as shown in FIG. 4, for example. The frame shown in the figure is just a basic form, and in reality it will be configured with various designs, but the half rim (a) has only the upper half and the lower half uses water thread. There is. That is, the lens (b) is half-rimmed with the lower half of the thread.
It is fixed to (a), and both ends of the water thread are fixed to the rim (a).

FIG. 5 is an enlarged view taken along the line AA of FIG. 4, and FIG. 6 is an enlarged view taken along the line BB. A concave groove (c) is formed on the outer periphery of the lens (b). The half rim (a) is fitted in (c), and the water thread (e) is also fitted in this groove (c).
By configuring the spectacle frame in this way, the half rim (a) is not exposed in the front and the half rim (a) does not exist in the lower half, so it is configured as a very light and slim frame, Moreover, it is used because it has the advantage of widening the field of view. Of course, as the form of the half rim, other than the one shown in the figure, there is a case where a nylon cushion material is interposed between the rim and the lens, or a T-shaped rim.

By the way, this water thread (e) is used as a half rim (a)
It has a small hole through which the water thread (e) can be inserted. Fig. 7 shows the tip of the half rim (a). As is clear from the figure, a fastening plate (f) is brazed to the tip, and two fastening plates (f) are attached to the fastening plate (f). The holes (g) and (g) are penetrating side by side. There are various half-rim (a) cross-sectional shapes, but when using a wire with a thin circular cross-section, the diameter D is generally 0.6 m.
m.

Therefore, if the end portion of the half rim (a) is compressed and crushed into a plate shape to form the fastening plate (f), the thickness becomes too thin, and the holes (g), (g) The water thread (e) inserted in the box will break. Further, the half rim (a) made of such a thin wire material lacks the strength and rigidity of the Nyroll frame. Of course, if a thick wire is used, the concave groove (C) formed on the outer circumference of the lens becomes wide, which causes a problem such as cracking of the outer circumference of the lens.

[0006]

As described above, the conventional Nyroll frame has the above-mentioned problems. The problems to be solved by the present invention are these problems, and it is possible to stably fix the lens and improve the strength and rigidity of the half rim, while at the same time, the fixing plate for fixing the water thread. Provide a Nyroll frame that does not require brazing.

[0007]

The basic structure of the Nyroll frame of the present invention is the same as the conventional one, but the thickness of the wire used as the half rim is increased. Conventionally, it was about 0.6 mm, but in the present invention, a wire rod having a thickness of about 1.0 mm is used as a half rim. Therefore, although the lens concave groove into which the half rim is fitted is wide, a reinforced lens such as polycarbonate may be used so that the lens is not cracked or chipped.

Then, the tip end of the half rim is compressed and crushed to be formed into a plate shape to form a fastening plate, and a plurality of holes are formed side by side through the fastening plate. Water threads for holding the lens will be inserted into this hole and it will be fixed,
Since the fastening plate has a certain thickness, it will not break even if tension is applied to the water thread inserted through the hole and fastened. Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 illustrates the half rim end of the present invention. The wire diameter of the half rim 1 is about 1.0 mm, which is thicker than the conventional one, and therefore the tip can be compressed to form a plate shape. The thickness of the fastening piece 2 crushed into a plate is T, and the two holes 3
a and 3b are provided so as to penetrate at a predetermined interval.

A water thread for fitting the lens into the groove formed on the outer circumference of the lens is passed through the holes 3a and 3b, and if a predetermined tension is applied, the two holes 3a and 3b are inserted into the holes 3a and 3b. The water thread is locked and locked. The water thread passed through the holes 3a and 3b does not break because the thickness T of the fastening piece 2 is set to some extent. FIG. 2 shows a case where the water thread 4 is fixed to the fixing piece 2 of the half rim 1.

Here, the method of inserting the water thread 4 into the both holes 3a, 3b is not limited, but as shown in the figure, the water thread 4 having a full hole diameter is inserted into the both holes 3a, 3b provided close to each other. By passing it, the water thread 4 is locked in the holes 3a and 3b and cannot be pulled out. Although the fastening piece 2 shown in the figure is a substantially rectangular plate, it is also possible to form an appropriate uneven pattern on the surface and to form the outer periphery into an appropriate shape. The garment 2 provides the decorative effect of the Nyroll frame.

On the other hand, the linear shape of the half rim 1 is about 1.0 mm.
When the thickness is set to 2, the lens can be held in a partially fitted state as shown in FIG. 3 without being completely fitted in the lens concave groove as shown in FIG. Groove 5 as shown
The width of the concave groove 5 may be small if it is only partially fitted into the concave groove 5, and the half rim 1 will come off from the concave groove 5 when an unreasonable external force acts on the lens 6. .

Further, the cross-sectional shape of the half rim 1 does not necessarily have to be a circular cross section, but may be an elliptical cross section, or may be a flattened cross section. As described above, the Nyroll frame of the present invention is one in which the thickness of the half rim is increased and the tip is compressed to form the fastening piece, and the following effects can be obtained.

[0014]

Since the half roll rim of the Nyroll frame of the present invention is thicker than the conventional one, the strength and rigidity of the frame as a whole are increased. Further, since the wire diameter of the half rim is large, it is possible to directly braze and attach an endowment or a connecting member. Further, in order to fix the water thread for holding the lens, there is a fastening piece at the end of the half rim, and this fastening piece can be formed by compressing the rim wire. It is possible to penetrate the hole through which the water thread passes.

In this case, since the rim wire diameter is large, the compression-molded fastening piece has a certain thickness, so that the water thread inserted into the hole and fastened is not broken, and another member is brazed. It is easier to manufacture as compared with the case where the fastening piece is attached and the fastening piece is not detached.

[Brief description of drawings]

FIG. 1 is a fastening piece formed at the tip of a half rim according to the present invention.

FIG. 2 shows a case where a water thread is attached to a fastening piece.

FIG. 3 shows a case where a part of a half rim is fitted in the lens groove.

FIG. 4 is a specific example of a Nyroll frame.

5 is an enlarged cross-sectional view taken along the line AA of FIG.

6 is an enlarged view taken along line BB of FIG.

FIG. 7 shows a conventional half rim end shape.

[Explanation of symbols]

 1 Half rim 2 Fixing piece 3 Hole 4 Water thread 5 Recessed groove 6 Lens

Claims (1)

[Claims] 1. A half rim for restraining about half of the outer circumference of a lens, and a nai roll frame for holding a lens by connecting a high tension thread such as water thread to the rim end. A spectacle frame characterized by forming a wearing piece, penetrating a plurality of holes in the vicinity of the fastening piece, and inserting the high tension thread into the holes to fasten the wearing piece.