JPH0213595B2 - - Google Patents
Info
- Publication number
- JPH0213595B2 JPH0213595B2 JP58094361A JP9436183A JPH0213595B2 JP H0213595 B2 JPH0213595 B2 JP H0213595B2 JP 58094361 A JP58094361 A JP 58094361A JP 9436183 A JP9436183 A JP 9436183A JP H0213595 B2 JPH0213595 B2 JP H0213595B2
- Authority
- JP
- Japan
- Prior art keywords
- sphere
- display
- hole
- groove
- spherical surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Pens And Brushes (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ゲートボール等の表示付ボールの成
型方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for molding a ball with a display such as a gate ball.
従来の技術
従来のプラスチツク成型のゲートボール用ボー
ルは、球面に設けた幅２〜３ミリメートル程度の
数字形溝に塗料を施したものであつた。BACKGROUND OF THE INVENTION Conventional plastic-molded gateball balls have number-shaped grooves about 2 to 3 millimeters wide provided on a spherical surface coated with paint.
また、別個に成型した数字体を球体の球面に埋
込成型したプラスチツク製ボールが知られてい
る。 Also known is a plastic ball in which separately molded numbers are embedded into the spherical surface of a sphere.
さらに、表面の球面に設けた数字孔の底に通孔
を穿設し、数字孔と通孔に数字記号部を嵌合した
ゲートボール競技用ボールが実開昭57−160761号
公報として提案されている。 Furthermore, a game ball for gateball was proposed in Japanese Utility Model Application Publication No. 160761/1983, in which a through hole was formed at the bottom of the number hole provided in the spherical surface, and a number symbol part was fitted into the number hole and the through hole. There is.
発明が解決しようとする課題
ところが、上述した球面の数字形溝に塗料を施
したものは、数字形溝の数字が細くて見えにく
く、使用中、数字形溝に土が入つたり、数字形溝
の角から欠けやすいものであつた。Problems to be Solved by the Invention However, with the above-mentioned spherical number grooves coated with paint, the numbers in the number grooves are thin and hard to see. It was easy to chip from the corners of the groove.
また、数字体を球体の球面に埋込成型したもの
は、数字体と球体の境界に隙間を生じやすく、打
球衝撃を繰返しているうちに、数字体が振動によ
り、球体から飛び出してくることが避けられなか
つた。 In addition, when the numbers are embedded into the spherical surface of the sphere, gaps tend to form at the boundary between the numbers and the sphere, and during repeated impact, the numbers may come out of the sphere due to vibrations. It was inevitable.
さらに、実開昭57−160761号公報記載のもの
は、球面の球体の上下両端部をそれぞれ削成して
上下突板部を設けた本体木部を構成し、上下突板
部をその中心を通る位置で縦断して本体木部上下
両端部に達する縦割溝をそれぞれ設け、表面の球
面に数字孔を有するプラスチツク製傘状嵌体を本
体木部の上下両端部にそれぞれ嵌付け、球面外周
の両球面と同一球面を形成する外皮部及び上下縦
割溝内の上下連通杆部並びに通孔を介して縦割溝
と通ずる上下数字孔内の上下数字記号部をプラス
チツクの一体成形によつて連結固定的に設けるよ
うにし、傘状嵌体と外皮部との接触面に、その何
れか一方または双方に突縁部を設けて一体成形し
たものであり、本体木部の上下両端部に嵌合する
傘状嵌体を必要とするなど、成型工程が手数を要
して面倒であつた。 Furthermore, the one described in Japanese Utility Model Application Publication No. 57-160761 has a main body wooden part in which upper and lower veneers are provided by cutting both the upper and lower ends of a spherical body, and the upper and lower veneers are located at a position passing through the center of the body. A plastic umbrella-shaped fitting body with number holes in the spherical surface of the main body is fitted into each of the upper and lower ends of the main body wood, and vertically divided grooves are provided that reach both the upper and lower ends of the main body wood. The outer skin part that forms the same spherical surface as the spherical surface, the upper and lower communication rod parts in the upper and lower vertically divided grooves, and the upper and lower number symbol parts in the upper and lower number holes that communicate with the vertical grooves through the through holes are connected and fixed by integral molding of plastic. A projecting edge is provided on one or both of the contact surfaces of the umbrella-shaped fitting and the outer skin, and is integrally molded to fit into both the upper and lower ends of the wooden body. The molding process was time-consuming and troublesome, as it required an umbrella-shaped fitting.
本発明の目的は、上述した問題点に対処して、
球体の球面の表示形溝に表示体を確実に位置さ
せ、従来のゲートボール競技用ボールのような数
字孔を有する傘状嵌体を全く必要とせず、成型工
程が少なくてすみ、表示体の根部がしつかりと球
体の孔に喰込んで、表示体が打球衝撃に耐えると
共に、充分な強度を有し、長期間の激しい使用に
も耐え、表示体が球体の球面より浮かび上がるこ
とが防止できる表示付ボールの成型方法を提供す
ることにある。 It is an object of the present invention to address the above-mentioned problems and to
The display body is reliably positioned in the display groove on the spherical surface of the sphere, and there is no need for an umbrella-shaped fitting with number holes like in conventional gateball balls, and the molding process is reduced. It firmly bites into the hole of the sphere, allowing the display to withstand the impact of the ball, and has sufficient strength to withstand long-term heavy use, preventing the display from rising above the spherical surface of the sphere. An object of the present invention is to provide a method for molding a ball with a display.
課題を解決するための手段
本発明の表示付ボールの成型方法は、球体１の
球面に設けた表示形溝２の底３に数個の孔４を前
記表示形溝２に沿つて穿設し、その後、前記球体
１の表示形溝２に相当する部分に球凹面を有する
金型を配置し、前記球体１の表示形溝２及び孔４
に合成樹脂材料を充填し、前記表示形溝２に嵌合
する表示２′と前記孔４に嵌合する根部４′とを有
する表示体１′を形成することを特徴とするもの
である。Means for Solving the Problems The method for molding a ball with an indication according to the present invention involves drilling several holes 4 in the bottom 3 of an indication groove 2 provided on the spherical surface of a sphere 1 along the indication groove 2. , Then, a mold having a spherical concave surface is placed in a portion corresponding to the display groove 2 of the sphere 1, and the display groove 2 and the hole 4 of the sphere 1 are
The display body 1' is filled with a synthetic resin material to form a display body 1' having a display 2' that fits into the display groove 2 and a root 4' that fits into the hole 4.
作 用
以下、本発明を図面に基づいて詳細に説明す
る。Function The present invention will be explained in detail below based on the drawings.
第１図において、１は表示付ボールとなるプラ
スチツク製ゲートボールの球体で、球体１の球面
には第２図に示すように幅８ミリメートル、深さ
３ミリメートル位の数字形溝２からなる表示形溝
が設けられている。 In Fig. 1, numeral 1 is a spherical plastic gate ball with an indicator, and the spherical surface of the sphere 1 has an indicator with a number-shaped groove 2 with a width of 8 mm and a depth of about 3 mm, as shown in Fig. 2. A groove is provided.
球体１の数字形溝２は球体１の射出成型時に金
型に凸部を設けて同時成型するか、球体１を成型
した後、球体１の球面に彫刻しても良い。 The number-shaped grooves 2 of the sphere 1 may be molded simultaneously by providing a convex portion in the mold during injection molding of the sphere 1, or may be carved into the spherical surface of the sphere 1 after the sphere 1 is molded.
球体１の数字形溝２の底３には直径３ミリメー
トル位の数個の孔４が数字形溝２の数字の形にな
らつて穿設され、孔４はその軸が互いに平行では
なく、任意角度で穿設されている。 Several holes 4 with a diameter of about 3 mm are bored in the bottom 3 of the number-shaped groove 2 of the sphere 1, following the shape of the numbers in the number-shaped groove 2. It is drilled at an angle.
次に、この表示付ボールの成型法を説明する。 Next, a method for molding this display ball will be explained.
球体１の球面に設けた数字形溝２の底３に数個
の孔４を数字形溝２にならつて穿設し、その後、
第３図に示すように、球体１の数字形溝２に相当
する部分に図示しない射出成型機に取付けた球凹
面を有する金型５を圧接して配置し、次いで、球
体１の数字形溝２及び孔４に球体１と異色同種の
合形樹脂材料を射出成型によつて充填し、第４図
に示すように、数字２′からなる表示と根部４′と
を一体に成型し、球体１の数字形溝２に嵌合する
数字２′と孔４に嵌合する根部４′とを有する数字
体１′からなる表示体を形成すると共に、この数
字体１′の数字２′と根部４′とは第９図及び第１
０図に示すように、球体１の数字形溝２と孔４と
にそれぞれ嵌合する。 Several holes 4 are drilled in the bottom 3 of the number-shaped groove 2 provided on the spherical surface of the sphere 1, following the number-shaped groove 2, and then,
As shown in FIG. 3, a mold 5 having a spherical concave surface attached to an injection molding machine (not shown) is placed in pressure contact with a portion corresponding to the numerical groove 2 of the sphere 1, and then 2 and the hole 4 are filled with a composite resin material of the same color and type as the sphere 1 by injection molding, and as shown in FIG. A display body is formed of a numeral body 1' having a numeral 2' that fits into the numeral groove 2 of 1 and a root 4' that fits into the hole 4. 4' means Fig. 9 and 1
As shown in Figure 0, they fit into the numerical grooves 2 and holes 4 of the sphere 1, respectively.
第５図は本発明の他の実施例を示すものであ
り、球体１の球面に設けた数字形溝２の数字が10
の場合は、１の数字と０の数字の数字形溝２が
別々でつながつていないので、１の数字の数字形
溝２の底に穿設した孔４１と０の数字の数字形溝
２の底に穿設した孔４２とを、第６図に示すよう
に、球体１内で交わるように穿設し、０の数字の
数字形溝２の底に穿設した孔４２近傍に対する一
回の射出成型により、１と０すなわち10の数字体
が一挙に得る。 FIG. 5 shows another embodiment of the present invention, in which the number of the number-shaped groove 2 provided on the spherical surface of the sphere 1 is 10.
In the case of , the number-shaped groove 2 for the number 1 and the number 0 are separate and not connected, so the hole 41 drilled at the bottom of the number-shaped groove 2 for the number 1 and the number-shaped groove 2 for the number 0 are connected. As shown in FIG. By injection molding, 1 and 0, that is, 10 digits, are obtained all at once.
第７図は本発明の別の実施例を示すものであ
り、球体１の球面に設けた８の数字の数字形溝２
の底の中央部分に穿設した孔４３が、第８図に示
すように、球体１の数字形溝２の反対側に位置す
る球面に設けた数字形溝２に貫通している。 FIG. 7 shows another embodiment of the present invention, in which a number-shaped groove 2 with the number 8 is provided on the spherical surface of the sphere 1.
As shown in FIG. 8, a hole 43 bored in the center of the bottom of the sphere 1 passes through the number-shaped groove 2 provided in the spherical surface located on the opposite side of the number-shaped groove 2 of the sphere 1.
この実施例の表示付ボールの成型法は、球体１
の球面に対向する位置にそれぞれ設けた数字形溝
２の底に数個の孔４を数字形溝２にならつて穿設
し、数字形溝２と反対側に位置する数字形溝２と
を孔４３を介して連通し、その後、球体１の数字
形溝２に相当する部分に図示しない射出成型機に
取付けた球凹面を有する金型５を圧接して配置す
ると共に、球体１の反対側の球面に設けた数字形
溝２に相当する部分に球凹面を有する金型５を圧
接して配置し、次いで、球体１の数字形溝２及び
孔４に球体１と異色同種の合成樹脂材料を射出成
型によつて充填し、球体１の反対側の数字形溝２
及び孔４に孔４３を通つて球体１と異色同種の合
成樹脂材料を充填させ、一回の射出成型により、
球体１の両面の数字体を一挙に得る。 The method for molding the ball with markings in this example is as follows:
Several holes 4 are bored in the bottoms of the number-shaped grooves 2 provided at positions facing the spherical surface of the figure-shaped grooves 2, following the number-shaped grooves 2, and the number-shaped grooves 2 and the number-shaped grooves 2 located on the opposite side are bored. After that, a mold 5 having a spherical concave surface attached to an injection molding machine (not shown) is placed in pressure contact with a portion corresponding to the numerical groove 2 of the sphere 1, and the other side of the sphere 1 is A mold 5 having a spherical concave surface is placed in pressure contact with a portion corresponding to the number-shaped groove 2 provided on the spherical surface of the sphere 1, and then a synthetic resin material of the same color and different color as that of the sphere 1 is placed in the number-shaped groove 2 and the hole 4 of the sphere 1. is filled by injection molding, and the number-shaped groove 2 on the opposite side of the sphere 1 is filled.
Then, a synthetic resin material of the same color and color as the sphere 1 is filled into the hole 4 through the hole 43, and by one injection molding,
Obtain the numbers on both sides of sphere 1 at once.
なお、球体１の球面に対向する位置にそれぞれ
設けた１〜10の数字の数字形溝２に対して、１〜
10の数字の数字体１′をそれぞれ表示した10種類
の表示付ボールを球凹面を有する一対の金型で全
て成型可能である。 In addition, for the numerical grooves 2 with numbers 1 to 10 provided at positions facing the spherical surface of the sphere 1, numbers 1 to 10 are respectively provided.
It is possible to mold all 10 types of balls with markings, each displaying the numeral 1' of the number 10, using a pair of molds having a spherical concave surface.
発明の効果
以上に述べたように、本発明の表示付ボールの
成型方法によれば、球体１の球面に設けた表字形
溝２の底３に数個の孔４を数字形溝２に沿つて穿
設し、その後、球体１の数字形溝２に相当する部
分に球凹面を有する金型を配置し、球体１の表示
形溝２及び孔４に合成樹脂材料を充填し、表示形
溝２に嵌合する数字２′と孔４に嵌合する根部
４′とを有する表示体１′を形成することにより、
球体１の球面の表示形溝２に表示体１′を確実に
位置することができ、従来のゲートボール競技用
ボールのような数字孔を有する傘状嵌体を全く必
要とせず、成型工程が少なくてすみ、表示体１′
の根部４′がしつかりと球体１の孔４に喰込んで、
あたかも植物が大地に根を張つたような状態で表
示体１′を球体１に対して取付けられるので、表
示体１′が打球衝撃に耐えると共に、充分な強度
を有し、長期間の激しい使用にも耐え、表示体
１′が球体１の球面より浮かび上がることが防止
できる。Effects of the Invention As described above, according to the method for molding a ball with a display according to the present invention, several holes 4 are formed in the bottom 3 of the sign-shaped groove 2 provided on the spherical surface of the sphere 1 along the number-shaped groove 2. Then, a mold having a spherical concave surface is placed in the part corresponding to the number-shaped groove 2 of the sphere 1, and the display-shaped groove 2 and the hole 4 of the sphere 1 are filled with a synthetic resin material. By forming a display body 1' having a numeral 2' that fits into the hole 4 and a root 4' that fits into the hole 4,
The display body 1' can be reliably positioned in the display-shaped groove 2 on the spherical surface of the sphere 1, and there is no need for an umbrella-shaped fitting having number holes like in conventional gateball balls, and the molding process is reduced. Tessumi, display body 1'
The root part 4' of is firmly inserted into the hole 4 of the sphere 1,
Since the display body 1' is attached to the sphere 1 in a state similar to that of a plant with its roots planted in the ground, the display body 1' can withstand impact from hitting the ball and has sufficient strength to withstand heavy use over long periods of time. The display body 1' can be prevented from rising above the spherical surface of the sphere 1.
第１図は、本発明に係わる数字形溝を設けた球
体の正面図、第２図は、第１図の縦断面図、第３
図は、球体の数字体成型前の半部切断面図、第４
図は、球体の数字体成型後の半部切断面図、第５
図は、本発明の他の実施例に係わる数字形溝を設
けた球体の正面図、第６図は、第５図の半部切断
面図、第７図は、本発明の別の実施例に係わる数
字形溝を設けた球体の正面図、第８図は、第７図
の球体の数字体成型前の縦断面図、第９図は、第
１図の表示付ボールの完成状態を示す正面図、第
１０図は、第９図の半部切断面図である。
１……球体、１′……数字体（表示体）、２……
数字型溝（表示形溝）、２′……数字（表示）、３
……底、４……孔、４′……根部、５……金型、
４１，４２，４３……孔。
FIG. 1 is a front view of a sphere provided with number-shaped grooves according to the present invention, FIG. 2 is a longitudinal sectional view of FIG. 1, and FIG.
The figure is a cross-sectional view of half of the spherical numeral body before molding.
The figure is a half cross-sectional view after molding the spherical number body, No. 5
FIG. 6 is a front view of a sphere provided with numerical grooves according to another embodiment of the present invention, FIG. 6 is a half sectional view of FIG. 5, and FIG. 7 is another embodiment of the present invention. FIG. 8 is a longitudinal cross-sectional view of the sphere shown in FIG. 7 before forming the number body, and FIG. 9 shows the completed state of the ball with the display shown in FIG. 1. The front view, FIG. 10, is a half sectional view of FIG. 9. 1... Sphere, 1'... Number body (display body), 2...
Number type groove (display type groove), 2'...Number (display), 3
... bottom, 4 ... hole, 4' ... root, 5 ... mold,
41, 42, 43... holes.
Claims (1)
個の孔４を前記表示形溝２にならつて穿設し、そ
の後、前記球体１の表示形溝２に相当する部分に
球凹面を有する金型５を配置し、前記球体１の表
示形溝２及び孔４に合成樹脂材料を充填し、前記
表示形溝２に嵌合する表示２′と前記孔４に嵌合
する根部４′とを有する表示体１′を形成すること
を特徴とする表示付ボールの成型方法。1. Several holes 4 are drilled in the bottom 3 of the display groove 2 provided on the spherical surface of the sphere 1 along the same lines as the display groove 2, and then a ball is drilled in the part corresponding to the display groove 2 of the sphere 1. A mold 5 having a concave surface is arranged, and the display groove 2 and hole 4 of the sphere 1 are filled with a synthetic resin material, and the display 2' that fits into the display groove 2 and the root that fits into the hole 4 are formed. 4'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58094361A JPS59222168A (en) | 1983-05-28 | 1983-05-28 | Figure molded gate ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58094361A JPS59222168A (en) | 1983-05-28 | 1983-05-28 | Figure molded gate ball |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59222168A JPS59222168A (en) | 1984-12-13 |
| JPH0213595B2 true JPH0213595B2 (en) | 1990-04-04 |
Family
ID=14108157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58094361A Granted JPS59222168A (en) | 1983-05-28 | 1983-05-28 | Figure molded gate ball |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59222168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129197U (en) * | 1990-04-10 | 1991-12-25 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619645Y2 (en) * | 1981-04-04 | 1986-03-27 |
-
1983
- 1983-05-28 JP JP58094361A patent/JPS59222168A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129197U (en) * | 1990-04-10 | 1991-12-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59222168A (en) | 1984-12-13 |
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