JPS6146511Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a plastic eyeglass frame, and more particularly to a plastic eyeglass frame in which a nose piece is integrally molded with the frame body from thermoplastic plastic.

Conventionally, in this type of plastic eyeglass frame, the nose piece, which is referred to as a butterfly by those skilled in the art, is of a fixed type integrally molded with the frame body over its entire length. According to this, since the nose pad piece is integrally molded with the frame body, high productivity and excellent chipping resistance of the nose pad piece can be obtained. On the other hand, because the nose pads are fixed, there are individual differences in the height and shape of the noses of glasses frame users, and they do not always fit well to the nose. There were problems with glasses frames slipping off without being adjusted, and nose pads putting too much pressure on the nose. Moreover, since the entire length of the nose piece is integrally molded with the frame body, there is no flexibility at all, and it is practically impossible to improve the fit by adjusting the nose piece itself.

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the drawbacks of the prior art described above and to provide a plastic eyeglass frame that can easily improve the fit of the nose piece to fit the nose of the user of the eyeglass frame.

To explain the drawings, in the plastic eyeglass frame of the present invention, the nose piece 1 is connected to the frame body 2.
It is a plastic eyeglass frame integrally molded from thermoplastic plastic, and extends from approximately the middle of the connection between the nose piece 1 and the frame body to the lower half or upper half (generally, the connection Form a split groove 3 (which can extend approximately 60% of the length of the
It is also characterized in that a recessed recess 4 cut into the nose pad piece 1 is formed at the rear end of the split groove 3, and in the illustrated case, the lower half side of the nose pad piece 1 is the split groove 3. The cutout 4 may be circular (FIG. 2), square, slit (FIG. 3), or grooved (FIG. 4).

According to the present invention, the nose pad piece 1 is integrally molded with the frame body 2 only on the side opposite to the split groove 3, that is, on the upper half side or the lower half side, so that the nose pad piece 1 can be molded to fit the nose of the eyeglass frame user. The fit of piece 1 can be easily improved. That is, according to the present invention, the dividing groove 3
Since the nose pad piece 1 is free from the frame body 2 at the point, if the nose pad piece 1 is heated and softened,
This can be easily modified to fit the nose with flexibility due to the release at the split groove 3. Moreover, in this case, since the recessed recess 4 cut into the nose pad piece 1 is formed at the inner end of the split groove 3, the correction bending process of the nose pad piece 1 is easy.

Furthermore, the slot 4 at the rear end of the split groove 3 of the nose pad piece 1 in the present invention is
As a result of improving the deformability of the nose piece 1, the integrally molded length of the nose piece 1 is reduced due to the split groove 3, and the strength of the nose piece 1 when integrated with the frame body is reduced accordingly. It is highly resistant to external forces applied during the above-mentioned correction bending process, etc., and the nose pad piece 1 will not come off.

In the present invention, the split groove 3 is incorporated into the nose pad piece 1 that is integrally formed with the frame body 2, so that the improved fit of the nose pad piece 1 due to the above structure can be achieved without secondary processing. This can be easily achieved by injection molding the frame itself, and productivity is not reduced due to the formation of the grooves 3 by secondary processing.

[Brief explanation of drawings]

Figure 1 is a perspective view showing one embodiment of the present invention;
The figure is an enlarged side view of the nose piece part of the frame in the same embodiment, and FIGS. 3 and 4 are enlarged side views showing different examples of modifications of the nose piece. 1 is the nose piece, 2 is the frame body, 3 is the split groove, and 4 is the slot.

Claims (1)

[Scope of utility model registration request] A plastic eyeglass frame in which the nose piece is integrally molded with the frame body from thermoplastic plastic, with a split groove running from approximately the middle of the connection between the nose piece and the frame body to the lower half or the upper half. A plastic eyeglass frame in which a recessed space cut into a nose pad piece is formed at the inner end of the split groove.