JPH0360931B2 - - Google Patents
Info
- Publication number
- JPH0360931B2 JPH0360931B2 JP9976284A JP9976284A JPH0360931B2 JP H0360931 B2 JPH0360931 B2 JP H0360931B2 JP 9976284 A JP9976284 A JP 9976284A JP 9976284 A JP9976284 A JP 9976284A JP H0360931 B2 JPH0360931 B2 JP H0360931B2
- Authority
- JP
- Japan
- Prior art keywords
- spinneret
- hole
- spinning
- spinning hole
- slit
- 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
- 238000009987 spinning Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000002166 wet spinning Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 1
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、紡糸口金に係わるもので、特に平面
形状が細くて長いスリツト状の紡糸孔を有する湿
式紡糸用の紡糸口金の改良に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a spinneret, and particularly relates to an improvement of a spinneret for wet spinning having a long slit-like spinning hole with a narrow planar shape.
（従来技術）
湿式紡糸法によりフイルム状の糸を作る場合に
は、通常第３図ａ，ｂに示す如く幅0.05〜0.1mm、
長さ10〜50mm、深さ0.05〜0.1mmのスリツト状の
紡糸孔１を有する紡糸口金２が用いられる。(Prior art) When making a film-like yarn by the wet spinning method, the width is usually 0.05 to 0.1 mm, as shown in Figure 3 a and b.
A spinneret 2 having a slit-shaped spinning hole 1 with a length of 10 to 50 mm and a depth of 0.05 to 0.1 mm is used.
（発明が解決しようとする問題点）
ところで斯かるスリツト状の紡糸孔１を有する
紡糸口金２で湿式紡糸したフイルム状の糸３は、
第４図に示す如く両面が円弧状に陥んで中央部が
著しく薄くなるものである。(Problems to be Solved by the Invention) By the way, the film-like yarn 3 wet-spun using the spinneret 2 having the slit-like spinning holes 1 is as follows.
As shown in FIG. 4, both sides are concave in an arcuate shape and the central portion is extremely thin.
これは前記紡糸口金２の紡糸孔１の形成方法に
起因するものである。即ち、紡糸孔１を形成する
には第５図ａに示す如く皿形の紡糸口金板４の中
央にパンチにてＶ形スリツト状の導入孔５を穿
ち、次にこのＶ形スリツト状の導入孔５の底の外
面に突出した膨出部６を第５図ｂに示す如く研摩
して平坦にし、次いで導入孔５の底にリーマにて
第５図ｃに示す如くスリツト状の吐出孔７をスト
レートに貫通穿設し、然る後吐出孔７の先端縁の
ばり８を研摩除去して第５図ｄに示す如く紡糸孔
１を形成しているが、リーマにてスリツト状の吐
出孔７を貫通穿設した際、吐出孔７の幅が狭く長
さが長いので、吐出孔７の中央部の開口縁の材料
が弾性により戻り、吐出孔７の中央部が狭くなつ
て、これより紡糸されるフイルム状の糸３が第４
図のように両面が円弧状に陥んで中央部が著しく
薄くなるものである。 This is due to the method of forming the spinning holes 1 of the spinneret 2. That is, to form the spinning hole 1, a V-shaped slit-shaped introduction hole 5 is punched in the center of the dish-shaped spinneret plate 4 as shown in FIG. The bulge 6 protruding from the outer surface of the bottom of the hole 5 is polished to make it flat as shown in FIG. After that, the burr 8 on the tip edge of the discharge hole 7 is removed by polishing to form the spinning hole 1 as shown in FIG. 7, the width of the discharge hole 7 is narrow and the length is long, so the material on the edge of the opening at the center of the discharge hole 7 returns due to elasticity, and the center of the discharge hole 7 becomes narrower. The film-like yarn 3 to be spun is the fourth
As shown in the figure, both sides are concave in an arc shape, and the center part is extremely thin.
（発明の目的）
本発明は斯かる問題を解消すべくなされたもの
であり、全幅にわたつて均一な厚さのフイルム状
の糸を紡糸することのできる紡糸口金を提供せん
とするものである。(Object of the Invention) The present invention was made to solve this problem, and aims to provide a spinneret that can spin a film-like yarn having a uniform thickness over the entire width. .
以下本発明による紡糸口金の各種の実施例につ
いて説明する。 Various embodiments of the spinneret according to the present invention will be described below.
（実施例）
先ず第１図ａ，ｂに示す紡糸口金２′について
説明すると、１は皿形の紡糸口金板４の中央に設
けた平面形状が細くて長いスリツト状の紡糸孔
で、この紡糸孔１はＶ形スリツト状の導入孔５と
この導入孔５の底に貫通穿設したストレートのス
リツト状の吐出孔７とより成るものである。９は
紡糸孔１の略中央部の両脇に、紡糸孔１と直交す
る方向で対となるように設けた凸部で、該凸部９
は皿形の紡糸口金板４の半径方向に向かつて平面
帯状になされている。(Example) First of all, the spinneret 2' shown in FIGS. The hole 1 consists of a V-shaped slit-like introduction hole 5 and a straight slit-like discharge hole 7 bored through the bottom of the introduction hole 5. Reference numeral 9 denotes convex portions provided on both sides of the approximately central portion of the spinning hole 1 so as to form a pair in a direction perpendicular to the spinning hole 1;
The spinneret plate 4 is shaped like a flat band extending in the radial direction of the dish-shaped spinneret plate 4.
次に第２図ａ，ｂに示す紡糸口金２″について
説明すると、この紡糸口金２″は前記紡糸口金
２′の凸部９の代りに、平面帯状の凹部１０を紡
糸孔１の略中央部の両脇２本づつ紡糸孔１と直交
する方向で対となるように設けたものである。 Next, the spinneret 2'' shown in FIG. Two on each side of the spinning hole 1 are provided in pairs in a direction perpendicular to the spinning hole 1.
尚、上記実施例の紡糸口金２′，２″に於ける凸
部９、凹部１０は平面帯状であるが、紡糸孔１と
直交する方向に向いていれば、いかなる形状でも
良いものである。 Although the convex portions 9 and concave portions 10 in the spinnerets 2', 2'' of the above embodiment are planar strip-shaped, they may have any shape as long as they are oriented in a direction perpendicular to the spinning hole 1.
（作用）
本発明の紡糸口金は、上記各実施例に示される
ように紡糸孔１の略中央部の両脇に、紡糸孔１と
直交する方向で対となる凸部９や凹部１０が設け
られているので、紡糸孔１はその穿設時、特に導
入孔５の底にリーマにて吐出孔７を貫通穿設した
際、前記凸部９や凹部１０が吐出孔７の両側縁を
補強するリブの働きをすることとなつて、吐出孔
７の中央部の開口縁の材料が戻ることがなく、吐
出孔７の開口幅は全長にわたつて均一となる。従
つて、このような吐出孔７から吐出紡糸されるフ
イルム状の糸は全幅にわたつて均一な厚さとな
る。(Function) As shown in the above embodiments, the spinneret of the present invention is provided with a convex portion 9 and a concave portion 10 that form a pair in a direction perpendicular to the spinning hole 1 on both sides of the approximately central portion of the spinning hole 1. Therefore, when drilling the spinning hole 1, especially when drilling the discharge hole 7 through the bottom of the introduction hole 5 with a reamer, the convex portion 9 and the concave portion 10 reinforce both sides of the discharge hole 7. As a result, the material at the opening edge at the center of the discharge hole 7 does not return, and the opening width of the discharge hole 7 becomes uniform over the entire length. Therefore, the film-like yarn discharge-spun from such discharge holes 7 has a uniform thickness over its entire width.
（発明の効果）
以上の説明で判るように本発明の紡糸口金によ
れば、全幅にわたつて均一な厚さのフイルム状の
糸を紡糸することができるので、従来の紡糸口金
にとつて代わることのできる画期的なものと云え
る。(Effects of the Invention) As can be seen from the above explanation, the spinneret of the present invention can spin a film-like yarn with a uniform thickness over the entire width, so it can replace the conventional spinneret. It can be said that it is a groundbreaking thing.
第１図ａ，ｂは本発明の紡糸口金の一実施例を
示す平面図及び縦断面図、第２図ａ，ｂは本発明
の紡糸口金の他の実施例を示す平面図及び縦断面
図、第３図ａ，ｂはスリツト状の紡糸孔を有する
従来の紡糸口金を示す平面図及び縦断面図、第４
図はその紡糸口金により紡糸されるフイルム状の
糸を示す斜視図、第５図ａ乃至ｄは第１図の紡糸
口金の紡糸孔の形成方法の工程を示す拡大縦断面
図、である。
FIGS. 1a and b are a plan view and a longitudinal cross-sectional view showing one embodiment of the spinneret of the present invention, and FIGS. 2 a and b are a plan view and a longitudinal cross-sectional view showing another embodiment of the spinneret of the present invention. , FIGS. 3a and 3b are a plan view and a longitudinal cross-sectional view showing a conventional spinneret having a slit-shaped spinning hole.
The figure is a perspective view showing a film-like yarn spun by the spinneret, and FIGS. 5a to 5d are enlarged longitudinal cross-sectional views showing the steps of the method for forming spinning holes in the spinneret of FIG. 1.
Claims (1)
有する紡糸口金に於いて、前記紡糸孔の略中央部
の両脇に、紡糸孔と直交する方向で対となる凹部
又は凸部を設けたことを特徴とする紡糸口金。1. In a spinneret having a slit-like spinning hole with a long and narrow planar shape, a concave portion or a convex portion is provided on both sides of the approximately central portion of the spinning hole to form a pair in a direction perpendicular to the spinning hole. A spinneret featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9976284A JPS60246809A (en) | 1984-05-18 | 1984-05-18 | Spinneret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9976284A JPS60246809A (en) | 1984-05-18 | 1984-05-18 | Spinneret |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60246809A JPS60246809A (en) | 1985-12-06 |
| JPH0360931B2 true JPH0360931B2 (en) | 1991-09-18 |
Family
ID=14255985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9976284A Granted JPS60246809A (en) | 1984-05-18 | 1984-05-18 | Spinneret |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60246809A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109137103A (en) * | 2018-09-30 | 2019-01-04 | 华祥（中国）高纤有限公司 | A kind of soft heterotypic fibre production special spinning jet of suede |
-
1984
- 1984-05-18 JP JP9976284A patent/JPS60246809A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60246809A (en) | 1985-12-06 |
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