JPH09187201A - Production of impact resistant float and its product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a float excellent in impact resistance, of which surface pattern is hardly peeled off, and suitable for a fishing in a place where there are many rocks and breakwater blocks by covering the core of the float with a carbon fiber, etc. SOLUTION: This method for producing an impact resistant float is to fill a foaming material into a mold for molding a core by putting a steel rod of a suitable outer diameter in the mold to form the core 20 and removing the steel rod after the molding. After covering the outside part of the core 20 with a carbon fiber or a carbon fiber cloth 4 adapting to the shape of the core 20 and, putting it into the mold for forming, the steel rod is returned into a hole 21 of the core 20 for heating and forming. The surface of the core 20 is treated after removing the steel rod, a plastic cylindrical tube 22 is fixed, and it is subjected to an under wax treatment and an upper wax treatment and then drawing lines and spraying of a transparent wax for finishing. A suitable weight 12 is allowed to be installed in the core 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a shock-resistant float used for fishing and a product thereof, and more particularly to a method of manufacturing a core of a float with carbon fiber or carbon fiber cloth and a product thereof.

[0002]

2. Description of the Related Art Conventional floats are generally made of wood or plastic foam material, and their material is relatively fragile. Therefore, when used in places with a lot of rocks and breakwaters, the surface is damaged by the gaps. It was also easy to rupture on impact.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of manufacturing an impact resistant float and its product.

[0004]

According to a first aspect of the present invention, a mold for molding a core of a float is manufactured, a steel rod having an appropriate outer diameter is placed on the mold, and then foamed in the mold. After filling the material and after forming, the steel rod is removed to form a core, and the outside of the core is coated with carbon fiber or carbon fiber cloth according to the shape of the core, and then placed in a carbon fiber molding die. After returning the steel rod to the hole of the core, cover it with a carbon fiber molding die and heat-mold it to tightly bond the core of the foam material and the carbon fiber, remove the carbon fiber molding die and the steel rod, and later surface treatment Then, the lower wax coating, the upper wax coating, and the transparent wax spraying for wire drawing and finishing are performed to obtain a float product, which is a method for manufacturing an impact resistant float.

According to a second aspect of the present invention, a mold for molding a core of a float is manufactured, a mandrel rod having an appropriate outer diameter is placed on the mold, and then a foam material is filled in the mold. After molding, the outside of the core is covered with carbon fiber or carbon fiber cloth in accordance with the shape of the core, placed in a carbon fiber molding die, covered with the carbon fiber molding die, and heat-molded to form a foam material core. After closely bonding the carbon fibers and removing the mold, surface treatment is performed, lower waxing, upper waxing, transparent wax spraying for wire drawing and finishing, attaching the display rod and leg rod, and attaching the float product. The eggplant is used as a manufacturing method for impact-resistant floats.

According to the third aspect of the present invention, the temperature in the mold at the time of molding the foam material is controlled to 75 ° C. to 95 ° C., and the pressurizing time is about 5 minutes.

According to the fourth aspect of the invention, the core taken out from the mold is immersed in toluene for about 5 minutes before the carbon fiber molding and sufficiently stirred to wash the mold release agent on the core surface.

In the invention of claim 5, the carbon fiber or carbon fiber cloth used has a specific gravity of 1.150 to 1.175.

According to the sixth aspect of the present invention, the temperature in the carbon fiber molding die is controlled at 140 ° C. to 145 ° C. during the carbon fiber molding, and the pressurizing time is about 10 minutes.

According to the invention of claim 7, a plastic circular pipe is fixed to the center hole of the core after removing the carbon fiber molding die and the steel rod.

According to the invention of claim 8, a weight is fitted to the steel rod as required.

In the ninth aspect of the invention, the mandrel rod is made of carbon fiber or glass fiber material.

According to the tenth aspect of the invention, weights are fitted to the mandrel rods as needed.

The eleventh aspect of the invention is an impact resistant float in which the outer surface of the float is covered with carbon fiber or carbon fiber cloth.

According to the twelfth aspect of the present invention, one center hole is provided in the axial center of the float, and the plastic circular tube is fitted in the center hole.

In the thirteenth aspect of the present invention, the mandrel rod is provided so as to penetrate the shaft center of the float.

According to the fourteenth aspect of the present invention, one weight is fitted on the mandrel rod at the lower end inside the float.

In the fifteenth aspect of the invention, one weight is fitted on the plastic circular pipe at the lower end of the float.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a mold is manufactured, a foam material is injected into the mold to form a core, and the outside is covered with a carbon fiber or a carbon fiber cloth along the shape of the core, Also, place in a carbon fiber molding die, cover with a die and heat-mold,
After closely bonding the core of the foamed material and the carbon fiber, and further subjecting the wax-treated surface to wax treatment after surface treatment,
Apply clear wax to complete the float.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The steps in the manufacturing process of the first and second embodiments of the present invention will be described below in the order of numbers with reference to the drawings.

First Embodiment: 1. Foam molding step: As shown in FIG. 1, first, a mold 1 is manufactured according to the size and shape of the float to be molded, and an appropriate weight 12 is fitted in the mold 1 as necessary. A steel rod 11 having an outer diameter is placed, and as shown in FIG. 2, a foam material 2 made by mixing a curing agent and a main material in a ratio of 1: 1 is injected through an injection hole 13 to fill the mold 1. As shown in FIG. 3, the steel rod 11 is removed after the pressure forming to form the core 20 of the float. When molding the foam material 2, the temperature inside the mold 1 is 7
The temperature is controlled to 5 ° C to 95 ° C and the pressurization time is 5 minutes. 2. Core surface treatment step: The core 20 formed by the above steps is dipped in toluene for 5 minutes, and sufficiently stirred to wash the release agent adhering to the surface. 3. Carbon fiber coating molding step: As shown in FIG. 4, the carbon fiber having a specific gravity of 1.150 to 1.175 or the carbon fiber cloth 4 is cut into a size and shape capable of covering the outer shape of the core 20, and the outside of the core 20. And then put it in the carbon fiber molding die 3 and return the steel rod 11 used in the above step into the hole 21 of the core 20, cover it with a die and heat the core 20 and the carbon fiber. Tighten 4 together and remove the mold. During the above carbon fiber coating molding step, the temperature in the carbon fiber molding die 3 is 140 ° C. to 145 ° C.
The temperature is controlled to 0 ° C. and the pressurization time is 10 minutes. 4. Surface treatment step: The burrs on the surface of the float after removing the carbon fiber molding die 3 are polished to remove fluff to make it a light slide, and then immersed in toluene for 5 minutes, taken out, and then the surface is dried. 5. Surface coloring step: As shown in FIG. 5, a plastic circular tube 22 is placed in the hole 21 of the float obtained as described above.
Then, the lower wax treatment and the upper wax treatment are performed, and the water level indicator line and the design are printed. 6. Finishing wax treatment step: Wax is applied or sprayed on the surface of the product after the above steps to form a protective wax layer. The wax used in the above-mentioned finishing wax treatment is made transparent with good waterproof property, and by this treatment, the pattern and lines of the float after molding are protected, the colored part becomes clearer, and at the same time the waterproof effect is obtained. can get. 7. As described above, the float product excellent in impact resistance shown in FIG. 6 is obtained.

Second Embodiment: Solid Float Manufacturing Process 1. Foam molding step: As shown in FIG. 7, first, a mold 1 is manufactured according to the size and shape of the float to be molded, and a suitable weight 12 is fitted in the mold 1 as necessary. The mandrel rod 23 having the outer diameter is placed, and as shown in FIG. 8, the foam material 2 is injected through the injection hole 13 to fill the inside of the mold 1, and the mold 1 is removed after the pressure molding. The core 20 of the float shown in FIG. The weight 12 described above makes the float stand upright in water without hanging the weight. If the weight 12 is not provided, the float does not stand upright unless the weight is placed outside. When molding the foamed material 2 described above, the temperature in the mold 1 is controlled to 75 ° C. to 95 ° C., and the pressurizing time is 5 minutes. The aforementioned mandrel rod 23 is generally made of glass fiber or carbon fiber material. 2. Core surface treatment step: The core 20 formed by the above steps is dipped in toluene for 5 minutes, and sufficiently stirred to wash the release agent adhering to the surface. 3. Carbon fiber coating molding step: As shown in FIG. 10, carbon fibers or carbon fiber cloths 4 having the same size are cut according to the shape of the core 20, and the outside of the core 20 is coated, and then the carbon fiber molding die. It is placed in the mold 3, covered with a mold and heated to tightly bond the core 20 and the carbon fiber 4, and the mold is removed to obtain the shape shown in FIG. During the carbon fiber coating molding step described above, the temperature inside the carbon fiber molding die 3 is controlled to 140 ° C. to 145 ° C., and the pressing time is 10 minutes. 4. Surface treatment step: After the carbon fiber molding die 3 is removed, the burrs on the surface of the float are polished to remove fluff to make it light, then immersed in toluene for 5 minutes, taken out, and then the surface is dried. 5. Surface coloring step: The float obtained above is subjected to a lower wax treatment and an upper wax treatment, a water level indicator line and a pattern are printed, and the display rod 5 and the leg rod 6 are attached. 6. Finishing Wax Treatment Step: Wax is applied or sprayed on the surface of the float whose surface has been colored in the above-mentioned step to form a protective wax layer. 7. As described above, the float product excellent in impact resistance shown in FIG. 12 is obtained.

[0023]

By the method of the present invention, excellent impact resistance,
In addition, a float is obtained in which the surface pattern is hard to peel off.

[Brief description of the drawings]

FIG. 1 is a step explanatory view by a sectional view showing a state in which a steel rod and a weight are attached to a mold used for molding a foam material in the first embodiment of the manufacturing process of the present invention.

FIG. 2 is a step explanatory view in cross section showing a state in which the foam material is injected into the mold in the first embodiment.

FIG. 3 is a step explanatory view in cross section showing a state in which the steel rod is pulled out from the core of the float in the first embodiment.

FIG. 4 is a step explanatory view in sectional view of a step of further performing carbon fiber coating molding on the core of the float in the first embodiment.

FIG. 5 is a sectional view of a float manufactured through the manufacturing process of the first embodiment.

FIG. 6 is a perspective view of a float manufactured through the manufacturing process of the first embodiment.

FIG. 7 is a step explanatory view by a sectional view showing a state in which a core rod and a weight are attached to a mold used for molding a foam material in the second embodiment of the manufacturing process of the present invention.

FIG. 8 is a step explanatory view in cross section showing a state where the foam material is injected into the mold in the second embodiment.

FIG. 9 is a cross-sectional view of the core of the float removed from the mold in the second embodiment.

FIG. 10 is a step explanatory view in sectional view of a step of further performing carbon fiber coating molding on the core of the float in the second embodiment.

FIG. 11 is a sectional view of a float manufactured through the manufacturing process of the second embodiment.

FIG. 12 is a perspective view showing a state in which a display rod 5 and a leg rod 6 are attached to a float manufactured through the manufacturing process of the second embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Mold 12 ... Weight 11 ... Steel rod 2 ... Foaming material 13 ... Injection hole 20 ... Core 4 ... Carbon fiber or carbon fiber cloth 3 ... Carbon fiber Molding die 21 ... Hole 22 ... Plastic circular tube 23 ...
・ Axial rod 5 ・ ・ ・ Display rod 6 ・ ・ ・ Leg rod

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location B29K 105: 22

Claims (15)

[Claims] 1. A mold for molding a core of a float is manufactured, a steel rod having an appropriate outer diameter is placed on the mold, and then a foam material is filled in the mold, and the steel rod is molded. Is removed to form a core, and the outside of the core is coated with carbon fiber or a carbon fiber cloth according to the shape of the core, then placed in a carbon fiber molding die, and the steel rod is returned to the hole of the core. Cover with a carbon fiber molding die and heat-mold, tightly bond the core of the foam material and carbon fiber, remove the carbon fiber molding die and steel rod, and then perform surface treatment,
A method for producing impact-resistant floats, which includes lower waxing, upper waxing, wire drawing and transparent wax spraying for finishing, and forming a float product. 2. A mold for molding a core of a float is manufactured, a mandrel rod having an appropriate outer diameter is placed on the mold, a foam material is filled in the mold, and the core is molded. After covering the outside of the core with carbon fiber or carbon fiber cloth according to the shape of the above, place it in the carbon fiber molding die, cover it with the carbon fiber molding die and heat-mold it, and close the core of the foam material and the carbon fiber tightly Combine,
After removing the mold, surface treatment is performed, lower waxing, upper waxing, transparent wax spraying for wire drawing and finishing, attaching indicator rod and leg rod to make a float product, shock resistant float manufacturing method . 3. The temperature in the mold at the time of molding the foam material is controlled at 75 ° C. to 95 ° C., and the pressurizing time is about 5 minutes.
The method for manufacturing the shock-resistant float according to claim 1. 4. The mold release agent on the core surface is washed by immersing the core taken out from the mold in toluene for about 5 minutes and thoroughly stirring it before carbon fiber molding. Method for manufacturing impact resistant float. 5. The specific gravity of carbon fiber or carbon fiber cloth is 1.
The method for producing an impact-resistant float according to claim 1 or 2, wherein the ratio is 150 to 1.175. 6. The temperature in the carbon fiber molding die is controlled at 140 ° C. to 145 ° C. at the time of carbon fiber molding, and the pressurizing time is about 10 minutes.
The method for manufacturing an impact resistant float according to claim 1 or 2, wherein the time is set to 5 minutes. 7. The method for producing a shock-resistant float according to claim 1, wherein a plastic circular tube is fixed in the center hole of the core after removing the carbon fiber molding die and the steel rod. 8. The method for manufacturing an impact resistant float according to claim 1, wherein a weight is fitted to the steel rod as needed. 9. The method for producing an impact resistant float according to claim 2, wherein the mandrel rod is made of carbon fiber or glass fiber material. 10. The method of manufacturing an impact resistant float according to claim 2, wherein a weight is fitted to the mandrel rod as required. 11. An impact-resistant float in which the outer surface of the float is covered with carbon fiber or carbon fiber cloth. 12. The shock-resistant float according to claim 11, wherein the center of the float is provided with one center hole, and a plastic circular tube is fitted in the center hole. 13. The shock-resistant float according to claim 11, wherein a mandrel rod extends through the center of the float. 14. The shock-resistant float according to claim 13, wherein one weight is fitted on the mandrel rod at the lower end of the float. 15. The shock-resistant float according to claim 12, wherein one weight is fitted on the plastic circular tube at the lower end of the float.