JPH0237706Y2 - - Google Patents
Info
- Publication number
- JPH0237706Y2 JPH0237706Y2 JP1984009571U JP957184U JPH0237706Y2 JP H0237706 Y2 JPH0237706 Y2 JP H0237706Y2 JP 1984009571 U JP1984009571 U JP 1984009571U JP 957184 U JP957184 U JP 957184U JP H0237706 Y2 JPH0237706 Y2 JP H0237706Y2
- Authority
- JP
- Japan
- Prior art keywords
- string
- core material
- center hole
- ball
- string ball
- 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
Links
- 239000011162 core material Substances 0.000 claims description 31
- 238000004804 winding Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、中抜き用紐玉に関する。[Detailed explanation of the idea] (Industrial application field) The present invention relates to a string ball for hollowing out.
（従来の技術）
周知の如く、中抜き用紐玉は、第１図に示すよ
うに紐１を円筒状に巻き取つて紐玉２を形成し、
その外周をシユリンク包装３すると共に、使用に
際しては、紐玉２の中心穴４より紐１を繰り出し
て使用するものである。即ち、中抜き用紐玉２
は、その中心穴４より紐１を繰り出して使用する
ため、使用時にはその中心穴４には芯材等が嵌合
されていてはならず、フリーな状態でなければな
らないものである。(Prior Art) As is well known, a string ball for hollow cutting is made by winding a string 1 into a cylindrical shape to form a string ball 2, as shown in FIG.
Its outer periphery is wrapped in a shrink wrap 3, and when it is used, the string 1 is let out from the center hole 4 of the string ball 2. That is, string ball 2 for hollowing out
Since the cord 1 is used by letting it out from the center hole 4, the center hole 4 must not be fitted with a core material or the like and must be in a free state during use.
従つて、例えば第２図に示すように、紐玉成形
の巻き取り作業においては、径が拡縮自在な巻取
りボビン５に、紐を直接巻き取り、その後ボビン
５の径を縮少して紐玉２を抜き取つていた。この
巻取りボビン５は径が拡縮自在なため、その周方
向に所定間隔をおいてわずかな間隙Ｓを有してお
り、この間隙Ｓに巻き取られる紐が喰い込み、そ
の結果、紐玉２の中心穴４内面が波うち状を呈し
ていた。 Therefore, as shown in FIG. 2, for example, in the winding operation for forming a string ball, the string is directly wound onto a winding bobbin 5 whose diameter can be expanded and contracted, and then the diameter of the bobbin 5 is reduced to form a string ball. I had pulled out 2. Since the diameter of the winding bobbin 5 can be expanded and contracted, it has small gaps S at predetermined intervals in the circumferential direction, and the string to be wound up bites into these gaps S, and as a result, the string ball 2 The inner surface of the center hole 4 had a wavy shape.
かかる波うち状態のまま、長期間保管しておく
と、外周面のシユリンク包装３の締め付け力、及
び紐自身の巻き締め力により、その波うち状態が
進行し、第３図に示すように、その中心穴４は崩
壊するに至り、もはやこの状態ではその中心穴４
より円滑に紐１を繰り出すことが不可能となり、
かかる紐玉２は、不良品として廃棄処分しなけれ
ばならなかつた。 If it is stored in such a wavy state for a long period of time, the wavy state will progress due to the tightening force of the Shrink packaging 3 on the outer peripheral surface and the winding force of the string itself, and as shown in FIG. 3, the wavy state will progress. The center hole 4 has come to collapse, and in this state, the center hole 4
It becomes impossible to let out string 1 more smoothly,
Such a string ball 2 had to be disposed of as a defective product.
そこで、例えば実開昭52−107843号公報に記載
されたロールペーパーと同様に、円筒状の巻取芯
材に、紐を直接巻き取り、外周面をシユリンク包
装したものを、使用時に前記巻取芯材を抜き取る
ようにしたものが考えられる。しかしこの巻取芯
材の抜き取りは、紐自身の巻き締め力、及び前記
シユリンク包装の締め付け力のために極めて困難
である。このため、例えば実開昭51−141645号公
報に記載されたロールペーパー容器のようにロー
ルペーパーの巻取芯材を嵌込んでロールペーパー
を押圧することにより巻取芯材が突出する内方突
出壁を設けた容体からなるものによつて巻取芯材
の抜き取りを容易化するための手法が考えられ
る。 Therefore, for example, similar to the roll paper described in Japanese Utility Model Application Publication No. 52-107843, a string is directly wound around a cylindrical winding core material and the outer circumferential surface is shrink wrapped. One possibility is to remove the core material. However, it is extremely difficult to remove the wound core material due to the winding force of the string itself and the tightening force of the shrink wrap. For this reason, for example, as in the roll paper container described in Japanese Utility Model Publication No. 51-141645, the core material of the roll paper is inserted into the container and pressed against the roll paper, so that the core material protrudes inward. A possible method is to use a container provided with walls to facilitate the removal of the core material.
（考案が解決しようとする問題点）
しかし、ロールペーパーの場合は紙自身の巻き
締め力は紐の場合に比して弱いため巻芯の抜き取
りは比較的容易であるのに対し、紐玉の場合はこ
のような特殊な容器を使つても巻取芯材の抜き取
りはやはり困難がともなう。(Problem that the invention aims to solve) However, in the case of roll paper, the winding force of the paper itself is weaker than in the case of string, so it is relatively easy to remove the core, whereas Even if such a special container is used, it is still difficult to remove the core material.
又、巻取芯材を抜き取るために、このような特
殊な構造の容器を常に用意することは不便であ
る。 Furthermore, it is inconvenient to always prepare a container with such a special structure in order to remove the core material.
（問題点を解決するための手段）
本考案は上記のような問題点を解決することを
目的として、中心穴１３より紐１１を繰り出す中
抜き用紐玉１０の中心穴１３に、該中心穴１３内
面の崩れを防止する円筒状芯材１４が、軸心方向
抜き出し可能に内嵌されているものにおいて、該
芯材１４は外周面をテーパー面に成形されてお
り、紐引き出し部１５は前記芯材１４の小径D1
側の開口端縁１４ａを引つ掛けて小径D1側から
芯材１４の中心孔１４ｃを通り、大径D2側の開
口端縁１４ｂの外側に引き出された構成を採用し
たものである。(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention has a center hole 13 in the center hole 13 of the string ball 10 for hollowing out the string 11 from which the string 11 is fed out. 13 A cylindrical core material 14 that prevents the inner surface from collapsing is fitted inside so that it can be pulled out in the axial direction. Small diameter D 1 of core material 14
The opening edge 14a on the side is hooked, passes through the center hole 14c of the core material 14 from the small diameter D1 side, and is drawn out to the outside of the opening edge 14b on the large diameter D2 side.
（作用）
中抜き用紐玉１０の使用に際して、第４図に示
すように、紐引き出し端１５ａをつまみ紐引き出
し部１５を図示矢印ａ方向に引くと、芯材１４の
小径D1を大径D2側へ押し出すことになり、芯材
１４は、紐１１を引き出すことにより簡単に中心
穴１３から離脱し、その後適宜、該芯材１４を紐
１１から抜き取ればよい。(Function) When using the string ball 10 for hollowing out, as shown in FIG. 4, by pinching the string pulling end 15a and pulling the string drawing part 15 in the direction of the arrow a, the small diameter D 1 of the core material 14 changes from the large diameter. The core material 14 can be easily removed from the center hole 13 by pulling out the string 11, and then the core material 14 can be pulled out from the string 11 as appropriate.
（実施例）
以下、本考案の実施例を図面に基づき詳述す
る。(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.
第４図に示す如く、本考案に係る中抜き用紐玉
１０は、合成樹脂から成る結束用紐１１を円筒状
に巻き取り成形して成る。該紐玉１０の外周面に
はシユリンク包装１２がされ、外周面の崩れが防
止されている。この紐玉１０の中心穴１３には、
円筒状芯材１４が軸心方向抜き出し可能に内嵌さ
れ、該中心穴１３の内面の崩れを防止している。 As shown in FIG. 4, the hollow string ball 10 according to the present invention is formed by winding and molding a binding string 11 made of synthetic resin into a cylindrical shape. A shrink wrap 12 is placed on the outer peripheral surface of the string ball 10 to prevent the outer peripheral surface from collapsing. In the center hole 13 of this string ball 10,
A cylindrical core member 14 is fitted inside the center hole 13 so as to be removable in the axial direction, thereby preventing the inner surface of the center hole 13 from collapsing.
上記円筒状芯材１４は、ダンボール等の厚紙を
円筒状に丸めて成形したものであり、紐玉１０の
中心穴１３に嵌合して、中心穴１３に作用するシ
ユリンク包装１２の締付け力及び紐自身の巻き締
め力を十分支承できるものである。従つて、この
芯材１４は厚紙から成形されたものに限定される
ものではなく、プラスチツク製の筒体であつても
よい。 The cylindrical core material 14 is formed by rolling a thick paper such as cardboard into a cylindrical shape, and is fitted into the center hole 13 of the string ball 10 to absorb the tightening force of the Shrink packaging 12 acting on the center hole 13. It can sufficiently support the winding force of the string itself. Therefore, the core material 14 is not limited to one made of cardboard, but may be a cylinder made of plastic.
前記芯材１４は、紐玉１０の使用に際して抜き
出さなければならないため、その抜き出しを容易
とするため外周面をテーパー面に成形されてい
る。即ち、第４図に示す如く、芯材１４の開口両
端縁１４ａ，１４ｂの外径は、D1＜D2の関係に
設定されている。 Since the core material 14 must be extracted when the string ball 10 is used, its outer peripheral surface is formed into a tapered surface to facilitate its extraction. That is, as shown in FIG. 4, the outer diameters of both opening edges 14a and 14b of the core material 14 are set to satisfy the relationship D 1 <D 2 .
１５は紐１１の引き出し部であり、前記芯材１
４の小径D1側の開口端縁１４ａを引つ掛けて小
径D1側より芯材１４の中心孔１４ｃを通つて大
径D2側の開口端縁１４ｂの外側に引き出し端１
５ａが引き出されている。 15 is a drawer part of the string 11, and the core material 1
4, the opening edge 14a on the small diameter D 1 side is hooked, and the drawn end 1 is passed from the small diameter D 1 side through the center hole 14c of the core material 14 to the outside of the opening edge 14b on the large diameter D 2 side.
5a is pulled out.
尚、上記円筒状芯材１４は、紐玉１０成形後、
その中心穴１３に挿入嵌着せしめてもよいが、第
５図に示す如く、巻取りボビン１６の外周に予め
巻き付けておき、その上から紐１１を巻き取るよ
うにするのがよい。 Incidentally, the cylindrical core material 14 is formed after forming the string ball 10.
Although it may be inserted and fitted into the center hole 13, it is preferable to wrap the string 11 around the outer periphery of the winding bobbin 16 in advance, as shown in FIG. 5, and then wind the string 11 thereon.
（考案の効果）
本考案によれば、中抜き用紐玉１０の中心穴１
３に、崩れ防止用の円筒状芯材１４が嵌合されて
いるので、該紐玉１０を長期間保管しても、前記
中心穴１３が崩壊するおそれはなく、又運搬中に
紐１１が中心穴１３より自然にもどけて中心穴１
３が崩壊するおそれもない。そして、使用に際し
て、紐１１の引き出しに支障を来たさないように
中心穴１３から芯材１４を抜き出すにあたつて、
特別な器具を用いることもなく、紐１１の引き出
し部１５を引き出すという簡単な操作によつて行
なうことができ極めて便利であり、実用に供して
多大の効果を発揮するものである。(Effect of the invention) According to the invention, the center hole 1 of the string ball 10 for hollowing out
3 is fitted with a cylindrical core material 14 to prevent collapse, so even if the string ball 10 is stored for a long period of time, there is no risk of the center hole 13 collapsing, and the string 11 will not collapse during transportation. Move naturally from center hole 13 to center hole 1
There is no fear that 3 will collapse. Then, when pulling out the core material 14 from the center hole 13 so as not to interfere with the pulling out of the string 11 during use,
This can be done by simply pulling out the drawer part 15 of the string 11 without using any special equipment, which is extremely convenient, and has great effects in practical use.
第１図は従来の中抜き用紐玉を来す断面図、第
２図は従来の製造方法を示す正面図、第３図は従
来の中抜き用紐玉を示す斜視図、第４図は本考案
の実施例を示す断面図、第５図は本考案に係る中
抜き用紐玉の製造工程図である。
１０……中抜き用紐玉、１１……紐、１３……
中心穴、１４……芯材、１５……紐引き出し部。
Fig. 1 is a sectional view showing a conventional string ball for hollowing out, Fig. 2 is a front view showing a conventional manufacturing method, Fig. 3 is a perspective view showing a conventional string ball for hollowing out, and Fig. 4 is a cross-sectional view showing a conventional string ball for hollowing out. A cross-sectional view showing an embodiment of the present invention, and FIG. 5 is a manufacturing process diagram of a string ball for hollowing out according to the present invention. 10... String ball for hollowing out, 11... String, 13...
Center hole, 14...core material, 15...string drawer part.
Claims (1)
１０の中心穴１３に、該中心穴１３内面の崩れを
防止する円筒状芯材１４が、軸心方向抜き出し可
能に内嵌されているものにおいて、該芯材１４は
外周面をテーパー面に成形されており、紐引き出
し部１５は前記芯材１４の小径D1側の開口端縁
１４ａを引つ掛けて小径D1側から芯材１４の中
心孔１４ｃを通り、大径D2側の開口端縁１４ｂ
の外側に引き出されていることを特徴とする中抜
き用紐玉。 A cylindrical core material 14 that prevents the inner surface of the center hole 13 from collapsing is fitted into the center hole 13 of the string ball 10 for hollowing out the string 11 from the center hole 13 so that it can be extracted in the axial direction. The core material 14 has a tapered outer circumferential surface, and the string pull-out section 15 hooks the opening edge 14a of the core material 14 on the small diameter D1 side and extends the core material 14 from the small diameter D1 side. Passing through the center hole 14c, the opening edge 14b on the large diameter D2 side
A string ball for hollowing out, which is characterized by being pulled out to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP957184U JPS60120926U (en) | 1984-01-25 | 1984-01-25 | String ball for hollowing out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP957184U JPS60120926U (en) | 1984-01-25 | 1984-01-25 | String ball for hollowing out |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60120926U JPS60120926U (en) | 1985-08-15 |
| JPH0237706Y2 true JPH0237706Y2 (en) | 1990-10-12 |
Family
ID=30489916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP957184U Granted JPS60120926U (en) | 1984-01-25 | 1984-01-25 | String ball for hollowing out |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60120926U (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51141645U (en) * | 1975-05-08 | 1976-11-15 | ||
| JPS52107843U (en) * | 1976-02-09 | 1977-08-17 |
-
1984
- 1984-01-25 JP JP957184U patent/JPS60120926U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60120926U (en) | 1985-08-15 |
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