JPH0723677A - Production of line guide device for telescopic fishing rod - Google Patents

Abstract

PURPOSE:To readily produce a line guide device for a telescopic fishing rod. CONSTITUTION:A prepreg sheet 4 is wound around a mandrel 16 and a long hole 6 is made at a prescribed position. A line guide member 7 is engaged with the long hole and a prepreg sheet is wound so as to cover the line guide member. After a thermosetting treatment is applied to the prepreg sheet, the mandrel is removed. Thus, forming of a fishing rod and attachment of the line guide member can be simultaneously carried out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a fishing line guide device for a hollow fishing rod.

[0002]

2. Description of the Related Art As conventional fishing line guide devices for hollow fishing rods, for example, JP-A-4-248945 and 4-10.
No. 0377 and No. 2-20233.

JP-A-4-248945 and 4-100.
The fishing line guide device of No. 377 is such that a prepreg sheet is wound around a mandrel and heat-cured to obtain a fishing rod, and then a long hole is provided at a predetermined position thereof, and a separate fishing line guide member is attached thereto by using an adhesive or the like. It is manufactured by mounting.

In the fishing line guide device of Japanese Patent Laid-Open No. 2-20233, a convex portion forming die is slidably mounted on a mandrel, a prepreg sheet is wound on the mandrel, heat-cured, and then the mandrel is pulled out. It is manufactured by hitting the convex part forming die from the outside and then making a hole in the bulging part and fitting a tubular member into the hole.

[0005]

However, in the former Japanese Patent Laid-Open Nos. 4-248945 and 4-100377, in order to provide the fishing line guide member, first, the fishing rod main body is subjected to a heat curing treatment of the prepreg sheet. It is necessary to form a long hole in the fishing rod before and after the molding, and then bond the fishing line guide member. Therefore, it is troublesome to attach the fishing line guide member in at least two steps.

In the latter case, it is troublesome to remove the convex forming mold from the molded product. Further, since it is necessary to hit the molded product when removing it, the fishing rod may be damaged. Therefore, an object of the present invention is to provide a method for easily manufacturing a fishing line guide device for a hollow fishing rod.

[0007]

In order to achieve the above object, the present invention is to wind a prepreg sheet around a mandrel, form a long hole at a predetermined position of the laminated body, and insert a fishing line guide member into the long hole. A procedure is adopted in which a prepreg sheet is wound on the fishing line guide member, the prepreg sheet is heat-cured, and then the mandrel is removed.

[0008]

According to the method of manufacturing a fishing line guide device for a hollow fishing rod according to the present invention, a prepreg sheet is wound around a mandrel to provide the elongated hole at a predetermined position, and a fishing line guide member is applied to the elongated hole to guide the fishing line guide. Since the prepreg sheet is wound on the member and the prepreg sheet is heat-cured, the fishing rod can be molded and the fishing line guide member can be attached at the same time.

Further, since the fishing line guide member is covered with a covering layer made of a prepreg sheet from above, and the frame member can be adhered by the resin of the prepreg sheet of the fishing rod body which is melted during the heat treatment, the fishing line guide member can be attached to the fishing rod body by Can be firmly fixed.

[0010]

Embodiments of the present invention will now be described with reference to the drawings. As shown in FIG. 2, in this hollow fishing rod, the fishing line 2 paid out from the reel 1 passes through the hollow of the fishing rod and is pulled out from the tip of the fishing rod, and the fishing line 2 enters the main body 8 of the fishing rod. A fishing line guide device 3 as shown in FIG. 1 is provided at the entry position.

The main body 8 of the hollow fishing rod is, for example, as shown in FIGS. 6 to 9, a tubular shape in which a prepreg sheet 4 in which reinforcing fibers such as carbon fibers are impregnated with a thermosetting resin is wound. The laminated body 5 is formed by heat curing treatment. In FIG. 1, reference numeral 5a indicates a wall of a fishing rod main body 8 obtained by thermosetting a laminated body of prepreg sheets, and an elongated hole 6 is provided at a position where the fishing line 2 of the main fishing rod main body 8 is introduced. A fishing line guide member 7 is fitted into the fishing rod so as to extend along the length direction of the fishing rod.

As shown in FIGS. 3 to 5, the fishing line guide member 7 has a cavity 9 inside so that the fishing line 2 can pass therethrough, and its upper wall 7a faces from the front part to the rear part. It has a curved surface that gradually rises along with. As shown in FIG. 4, the left and right sides of the upper wall 7a are curved so as to be flush with the surface of the main body 8 of the fishing rod. Further, the rear end of the fishing line guide member 7 is an end wall 7b inclined rearward.
Closed, and the lower wall 7c is formed as a curved surface that matches the surface of the fishing rod. The lower wall 7c is provided with an annular projection 10 that fits into the edge of the elongated hole 6.

An end wall 7b of the fishing line guide member 7 is provided with a fishing line introducing hole 11, and an inner edge of the fishing line introducing hole 11 is made of, for example, a ceramic first surface having a smooth abrasion resistant surface. The fishing line guide ring 12 of FIG. In addition, inside the annular projection 10 of the fishing line guide member 7, the first
The second fishing line guide ring 13 made of the same material as the fishing line guide ring 12 of FIG.

The fishing line guide member 7 is fixed to the fishing rod body 8 by inserting the annular projection 10 into the elongated hole 6 and adhering the lower wall 7c to the surface of the fishing rod body 8. There is.

The prepreg sheet 4 is also wound from above the fishing line guide member 7 and heat-cured to form a coating layer 4a. Therefore, according to the fishing line guide device 3 of the hollow fishing rod, as shown in FIG. 1, the first fishing line guide ring 12 and the second fishing line are provided while the fishing line 2 extends from the outside of the fishing rod to the inside of the hollow of the fishing rod. It is supported and guided at two points with the guide ring 13. For this reason, the fishing line 2 smoothly travels in the fishing line guide device 3 without being damaged when it is wound.

In addition, in the case where the hollow fishing rod is of the swing type instead of the side-by-side type, a stopper 14 is provided in the hollow of the fishing rod directly below the fishing line guide member 7, as shown in FIG.
As shown in FIG. 14, the stopper 14 is provided with a groove 15 along the path of the fishing line 2 so as not to interfere with the fishing line 2. When the stopper 14 is provided in the fishing rod in this way, the second fishing line guide ring 13 may be provided at the tip of the stopper 14 as shown in FIG.

Next, the fishing line guide device 3 for the above-mentioned hollow fishing rod.
The manufacturing method will be described with reference to FIGS. 6 to 12. (1) First, the prepreg sheet 4 is wound around the mandrel 16 (FIGS. 6 and 7). The prepreg sheet 4 is wound in a plurality of layers. When the direction of the fibers or threads of the prepreg sheet 4 is one direction, the prepreg sheet 4 is wound so that the directions of the fibers intersect between the layers as shown in FIG. (2) Next, the prepreg sheet 4 from above the mandrel 16
The long hole 6 is bored at a predetermined position of the position with a punch or a knife (FIGS. 8 and 9). (3) The fishing line guide member 7 is applied from above the wound prepreg sheet 4, and the annular projection 10 is fitted into the elongated hole 6. Further, the flanged lower wall 7c surface of the fishing line guide member 7 is adhered to the surface of the prepreg sheet 4 by using an adhesive such as an epoxy adhesive as necessary (FIG. 1).
0). It should be noted that the fishing line guide member 7 already has the above first and second
The fishing line guide rings 12 and 13 are attached. (4) The tape-shaped prepreg sheet 4 is wound on the upper wall 7a of the fishing line guide member 7 (see FIGS. 11 and 1).
2). As described above, since the surface of the upper wall 7a of the fishing line guide member 7 is flush with the surface of the fishing rod main body 8, the surface of the prepreg sheet 4 and the fishing line guide member 7 and the fishing rod main body when the prepreg sheet 4 is wound. No gap is formed between the surface and the surface of No. 8, and therefore the strength and appearance are not impaired. (5) Then, the prepreg sheet 4 is heat-cured. At that time, as shown in FIG. 10, the lower end of the annular projection 10 of the fishing line guide member 7 contacts the surface of the mandrel 16 to prevent the melted resin of the prepreg sheet 4 from flowing into the inside of the fishing line guide ring 13. . (6) The mandrel 16 is extracted from the hardened layer of the prepreg sheet to obtain the main body 8 of the hollow fishing rod equipped with the fishing line guide device 3.

[0018]

According to the method of manufacturing a fishing line guide device for a hollow fishing rod according to the present invention, a prepreg sheet is wound around a mandrel to form the elongated hole at a predetermined position, and a fishing line guide member is applied to the elongated hole. Since the prepreg sheet is wound on the fishing line guide member and the prepreg sheet is heat-cured, the fishing rod can be molded and the fishing line guide member can be attached at the same time. Therefore, the hollow fishing rod can be manufactured easily and quickly.

Further, the fishing line guide member can be covered with a covering layer made of a prepreg sheet from above, and the frame member can be adhered by the resin of the prepreg sheet of the fishing rod body which is melted during the heat treatment. It can be firmly fixed to the main body.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a portion I in FIG. 2 showing a fishing line guide device for a hollow fishing rod made by a manufacturing method according to the present invention.

FIG. 2 is a side view of a hollow fishing rod made by the manufacturing method according to the present invention.

FIG. 3 is a plan view of a fishing line guide member used in the manufacturing method according to the present invention.

FIG. 4 is an elevation view of the fishing line guide member as viewed from the rear.

FIG. 5 is a vertical sectional view of the fishing line guide member.

FIG. 6 is an explanatory diagram of a step of winding the prepreg sheet around the mandrel in the manufacturing method according to the present invention.

FIG. 7 is an explanatory diagram showing a state in which the prepreg sheet has been wound around a mandrel.

FIG. 8 is an explanatory diagram of a step of forming a long hole in the prepreg sheet.

9 is a sectional view taken along line IX-IX in FIG.

FIG. 10 is an explanatory diagram of a step of attaching a fishing line guide member to the elongated hole of the prepreg sheet.

FIG. 11 is an explanatory diagram of a step of winding a prepreg sheet from above the fishing line guide member.

12 is a sectional view taken along line XII-XII in FIG.

FIG. 13 is a vertical cross-sectional view of another fishing line guide device manufactured by the manufacturing method according to the present invention.

FIG. 14 is a perspective view of a stopper in FIG.

FIG. 15 is a vertical cross-sectional view of still another fishing line guide device manufactured by the manufacturing method according to the present invention.

[Explanation of symbols]

 3 ... Fishing line guide device 4 ... Prepreg sheet 5 ... Laminated body 6 ... Long hole 7 ... Fishing line guide member 16 ... Mandrel

Claims (1)

[Claims] 1. A prepreg sheet is wound around a mandrel, an elongated hole is bored at a predetermined position of the laminated body, a fishing line guide member is fitted into the elongated hole, and the prepreg sheet is wound from above the fishing line guide member, and the prepreg is formed. A method of manufacturing a fishing line guide device for a hollow fishing rod, which comprises heat-curing a sheet and then removing the mandrel.