JPS61181325A - Production of lure head made of natural shell - 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 lure head used in the sea, rivers, ponds, etc., particularly for trolling lures and casting lures. The present invention relates to a method for producing a product whose material is a natural shell layer.

(Prior Art) FIG. 1 is a partially cutaway side view of a general trolling lure. As shown in this figure, the trolling lure is one in which an artificial bait called octopus bait is attached to the rear of the lure head a via an artificial bait attachment part 1. By towing the bait by a Harris 3 inserted through the Harris insertion hole 2 passing through the lure head a in the direction of the entire length of the bait, fish can be caught using the fishing hook C fastened to the Harris 3 and installed inside the lure. It refers to fishing gear used to catch fish. At this time, in the lure a,
Various types of natural seashell pieces are embedded in transparent synthetic resin lures, or these are bonded to the core of a synthetic resin lure head, or cow horn is used in the lure itself. By reflecting light in the water, these pieces of shells and cow horns emit a shine that resembles the small fish they feed on, and as a result, they have the effect of attracting fish. Furthermore, the artificial bait called octopus bait is a cylindrical sheet made of flexible and elastic resin, and is shaped like a skirt or streamer with many slits formed in the longitudinal direction, and is shaped like an octopus or squid. When the lure is towed in water, this skirt-like artificial bait swings to attract fish, which is the prey, thereby bringing about a fish-attracting effect.

Next, the conventional manufacturing method will be explained in detail with reference to the drawings. First, as an example, a method for manufacturing a lure head conventionally called a crystal head will be explained. this is,
Cut out the central part 4 of the seashell shown by the broken line in Fig. 2 (here, Mexican seaweed is used as an example of the raw material seashell),
This is cut into a plurality of pieces to obtain rectangular lure head materials 4°, 4', 4"- (hereinafter referred to as head materials) as shown in Fig. 3. By grinding and polishing the outer shell surface layer 5 of each shell, a glossy surface 6 is exposed, and this is poured into a transparent resin liquid poured into a lure head mold and solidified, resulting in a glossy surface as shown in Fig. 4. A transparent resin crystal head is obtained in which a head material 4" having a surface is embedded so that it can be observed from the outside. Next, as another example of the manufacturing method, the head material 4" is inserted into the body of a lure head a. What is exposed on the outer surface of the periphery will be explained.This is made of a plurality of head materials 4'', 4', 4'' as shown in FIG. 3, similar to the crystal head described above.
After obtaining the flange 8, a flange 8 is attached to the rear of the body, which has a circular cross section and whose front end surface 7 is a flat inclined surface that slopes backward from the lower part to the upper part, as shown in FIG. At the same time, an artificial bait attachment part 1 with a tapered circular cross section that becomes larger in diameter toward the rear is fitted to the rear part of the flange 8,
Furthermore, a plurality of pieces of the head material 4° are attached to the outer surface of the body circumference of the lure head core a+ (hereinafter referred to as the head core) in which the Harris insertion hole 2 is bored in the axial direction. The unfinished lure head as shown in FIG. 6 is obtained by fixing the lure head so that it coincides with the direction of the body a' axis and using an adhesive or the like with the pearlescent inner surface 6 as the attachment surface. Furthermore, the outer shell surface layer 5.5.5- of this unfinished lure head body was ground and polished, and the head material 4'' was exposed on the outer surface of the body circumference.
A lure head a as shown in FIG. 7 is obtained.

(Problems to be Solved by the Invention) As mentioned above, the lure head stimulates the visual sense of fish by reflecting light in the water, and is therefore expected to attract fish. Therefore, the ideal conditions for a lure head are generally considered to be as follows.

(a) Something that shines gold or silver in whole or in part.

(a) Something with strong diagonal streaks of light or luster.

(1) The pattern has clear divisions and the pattern is preferred by fish.

(1) Something with a deep luster that seems to come from deep within.

(e) The surface absorbs a certain amount of water when submerged in water, giving the surface the appearance of living cells.

Now, when we examined a seashell lure head manufactured using conventional technology against the above-mentioned ideal conditions, we found that, although conventionally all of the head material was obtained from the central part 4 of the seashell, this part As shown in Fig. 3, the head material 4'' obtained from the above is made up of a plurality of ultra-thin flat layers having an outer shell surface N!5 and a glossy surface 6''. This outer shell surface layer 5 is ground to expose the glossy surface 6, but since the glossy surface is a thin plate, the ideal condition (1) cannot be achieved, that is, a deep luster cannot be expected, and since it is a single plate, it is ideal. Conditions (A) and (T), such as the strong diagonal streaks of light and the luster of a clear pattern, cannot be expected, and therefore it cannot be said to be a satisfactory material for a lure head.

Next, when considering the manufacturing method of lure head a,
The crystal head described above has a 4" head material covered with a transparent synthetic resin that does not contain water, so it looks very beautiful and shiny in the air, but it only glows faintly in water, so it is ideal. Since condition (e), in which water is absorbed to some extent and the luster appears to be emitted from living cells, cannot be expected, the fish-attracting effect cannot be said to be satisfactory.On the other hand, the latter Since the head material 4° is exposed on the head body a, the former drawback has been improved, but since the fundamentally thin strip-shaped head material 4° is used, the head body a can be made into a shape other than a round bar. For example, the center part is shaped like a bulging beer barrel.
It cannot be manufactured into the desired shape. In addition, in the manufacturing process, the unfinished lure head shown in FIG. 6 is made, and then the outer shell surface layer 5 is ground and polished.
It is not possible to predict what kind of pattern will be exposed on the outer surface of the body periphery of the head body a, and therefore there are inconveniences such as not being able to form a pattern preferred by the target fish under ideal conditions, and a satisfactory fish attracting effect cannot yet be obtained.

(Means for solving the problem) In order to overcome the problems of the conventional technology as described above and provide a lure head made of shells that meets ideal conditions, we have developed A first step of obtaining a columnar or strip-shaped lure head material by cutting the peripheral edge portion of the surface attached to the surface along the peripheral edge portion and further dividing the same into a plurality of pieces; By grinding the outer shell surface layer of
A second step of exposing the glitter layer running in the longitudinal direction of the ear length to obtain the processed material for the lure, and observing the processed material obtained in the second step with the glitter layer on the outer surface of the body of the lure head. As shown in the figure, a method for manufacturing a lure head made of natural seashells is adopted, which comprises a third step of fixing the core body of the lure head to the outer circumferential surface of the body.

(Example) Below, basic examples of the present invention are shown in FIGS. 2, 5, and 8.
This will be explained with reference to FIGS.

First, regarding the method of obtaining the head material, based on many years of experience and research on the raw materials for lure heads, the present inventor has obtained the rocks of the shell shown in Fig. A glitter layer running in the longitudinal direction of the ear portion 9 is present on the peripheral edge portion 9 of the surface to be attached, and this portion is
It was discovered that the divisions between the thick stratified layers of shells were particularly clear, forming patterns.

Therefore, first, the peripheral edge portion 9 shown in FIGS. 2 and 8 is cut along the longitudinal direction of the ear portion 9 along line B-B in FIG. lure head material 9,
This head material is further divided into 9,9... L
- is ground and polished to the C-C, D-D, E-E, F-F planes shown in FIG. 9, and the head processing material 9' shown in FIGS. , 9', 9
'−・ is obtained. These head processing materials 9″, 9゛9″-
The fifth tube was made of hard synthetic resin or the like in the same way as before.
It is attached to the surface of the head core body a' as shown in the figure. This core body a' has a front end surface 7 which is a flat inclined surface that slopes rearward from the lower part to the upper part, and a flange 8 is provided at the rear of the body with a circular cross section. A bait attachment part 1 with a tapered circular cross section is integrally provided, or a separate piece is fitted thereinto, and a Harris insertion hole 2 is provided which also passes through the bait attachment part 1 in the axial direction. It is something that you have.

Then, a processed material 9"
The axial direction of the head core body a'' and the longitudinal direction of the head processing material 9'' are aligned, and the D-grinding and polishing surface of the head processing material 9'' is placed outside, and the back side thereof, that is, in FIG. 9, the C- C
The head material 4 is adhered and fixed using an adhesive or the like using the surface as an attachment surface, and a conventional head material 4'' is also attached and fixed to the front end surface 7. As a finishing step, the head body thus obtained is polished into the desired shape, but at this time, in order to make the head material absorbent, a little roughness is left so as not to over-polish it, as shown in Figure 12. A head body a of various types is manufactured.

Next, FIGS. 13 to 17 show other preferred embodiments of the present invention. First, about the core a゜ of the head.
The one in the figure has a cross-sectional polygon (in the example, 8
A lure head having a polygonal cross section is manufactured using the method of the present invention. Furthermore, in the present invention, the head core a' shown in FIGS. 14 and 15 can also be used. This core body a'' is provided with a Harris insertion hole 2 having a considerably larger diameter than the Harris 3, which is offset upward from the center axis of the head core body a'', and the Harris insertion hole 2 is provided in the bait attachment part 1. A plurality of branch holes 2' and 2' are provided in an outward waving pattern from the communication point toward the rear. In the lure head using this head core a'', the water flow flowing from the Harris insertion hole 2 into the branch hole 2' is accompanied by air bubbles, and from the rear end of the bait attachment part I shown in FIG. Since it is ejected, the artificial bait moves actively and the effect of attracting fish can be made even greater.

Next, FIG. 16 shows the head processing material 9'' being attached and fixed to the head core body a'' in the manufacturing method of the present invention, with respect to the axial direction of the head core body a''. 9
17 shows a head body a manufactured by a method of attaching and fixing the head body with a slight inclination, and FIG. 17 shows a head processing material 9
A head body a manufactured by a method of appropriately mixing and fixing conventional polished head material 4" with
In this case, it is necessary that the surface area of the head processing material 9" is larger than the surface area of the hend material 4",
Of course, these belong to the present invention.

In the above-described embodiments, the head body manufactured by the present invention can be manufactured with a greater variety of types, so it can be closer to the bait preferred by the target fish, or it can stimulate the visual sense of the target fish, thereby increasing the fish-attracting effect. It can be made into a lure head.

(Effects of the Invention) In the present invention, the head material is cut out from the shell peripheral ear portion 9 having the glitter layer 10 to obtain a thick head processed material 9' in the form of a square prism or triangular prism. By exposing the outer surface of the body, the head body a shines brightly in gold or silver in the water, and also absorbs a certain amount of water, making it look like a living cell, making it easier to use as a lure. This excellent head body satisfies all the ideal conditions for a head, and by using this head body a as a trolling lure, it can particularly stimulate the visual sense of fish and have an extremely large effect of attracting fish to lure them.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway side view for explaining the lure, Fig. 2 is a plan view of a shell used in the present invention as seen from the surface of a Mexican rock, etc., and Figs. 3 to 7 are a conventional shell. The manufacturing method is shown. Figure 3 is a perspective view of the head material obtained from the center of the shell, Figure 4 is an external perspective view of the crystal head, Figure 5 is a side view of the head core, and Figure 6 is the head core. A side view showing an unfinished head body obtained by pasting a head material on the outer surface of the body circumference, FIG. 7 is a perspective view of the lure head' which is the completed product shown in FIG. 6, and FIGS. 8 to 12 The figures show one embodiment of the method of the present invention, FIG. 8 is a sectional view taken along the line A-A in FIG. 2, FIG. 9 is an enlarged sectional view of the peripheral edge portion in FIG. 8, and FIGS. Each perspective view of a head processing material, FIG. 12 is a perspective view of a lure head body obtained by the method of the present invention, FIGS. 13 to 17 show other embodiments of the present invention, and FIG. 13 is a head core body. 14 and 15 are cross-sectional views and rear views of other embodiments of the head core, and FIGS. 16 and 17 are external views of the lure head body obtained by the method of the present invention. FIG. 9...-Lure head material, 10-Glitter layer, 9゛-Head processing material, a゛...-Head core body.

Claims (1)

[Claims] 1. Cutting the peripheral ear part of the surface that attaches to rocks, etc. of the shell of the family Erididae, especially abalone, along the peripheral ear part,
Further, a first step of dividing this into a plurality of pieces to obtain a columnar or strip-shaped lure head material, and further, grinding the outer shell surface layer of the material to expose a glitter layer running in the longitudinal direction of the ear length, A second step of obtaining a lure head processed material; and a second step of applying the processed material obtained in the second step to the outer circumference of the core body of the lure head so that the glitter layer can be observed on the outer surface of the lure head main body circumference. A method for manufacturing a lure head made of natural seashells, which comprises a third step of fixing to the side surface.