JPH05239729A - Production of roving - Google Patents
Production of rovingInfo
- Publication number
- JPH05239729A JPH05239729A JP24896992A JP24896992A JPH05239729A JP H05239729 A JPH05239729 A JP H05239729A JP 24896992 A JP24896992 A JP 24896992A JP 24896992 A JP24896992 A JP 24896992A JP H05239729 A JPH05239729 A JP H05239729A
- Authority
- JP
- Japan
- Prior art keywords
- glass fiber
- roving
- fiber bundle
- passage
- fiber bundles
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
- B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
- B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
- B65H2701/312—Fibreglass strands
Landscapes
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ロービングの製造方法
に関する。FIELD OF THE INVENTION The present invention relates to a method of manufacturing rovings.
【０００２】[0002]
【従来の技術】ガラス繊維束は、ブッシングから引出し
たガラス繊維に集束剤を付与して集束し、回転するマン
ドレルに嵌挿された紙管に巻取ることによって製造さ
れ、加熱乾燥炉（ＣＤＯ）中で所定時間乾燥した後使用
される。巻取られたガラス繊維束（ストランド）は、ケ
ーキと呼ばれ、ケーキから引き出されたストランドは連
続的に次の工程へ送られて使用されることが多い。例え
ば、多数のケーキから夫々ストランドを引出し、これら
のストランドを引揃えてロービングとし、このロービン
グを円筒状に巻取る。この際一つのケーキＡが使用し盡
された後、或はストランドが切断した際、このケーキＡ
のストランドの終端と次のケーキＡ´との始端とを接続
固定し、ストランドを連続的に供給する。2. Description of the Related Art A glass fiber bundle is manufactured by applying a sizing agent to a glass fiber pulled out from a bushing, bundling it, and winding the glass fiber around a paper tube inserted into a rotating mandrel. The heating and drying oven (CDO) It is used after being dried for a predetermined time. The wound glass fiber bundle (strand) is called a cake, and the strand drawn from the cake is often continuously sent to the next step for use. For example, a strand is drawn from each of a number of cakes, the strands are aligned and made into a roving, and the roving is wound into a cylindrical shape. At this time, when one cake A is used and the cake A is cut, or when the strand is cut, the cake A
The end of the strand and the beginning of the next cake A ′ are connected and fixed, and the strand is continuously supplied.
【０００３】[0003]
【発明が解決しようとする課題】二本のストランドを接
続固定するため、これらを結び合わせ、或は接着剤で接
着することも行なわれているが、このような方法で得ら
れたロービングを使用してＦＲＰを製造すると、これら
の接続部（連結部）がガイドに引掛ったり、接続部に相
当する箇所のＦＲＰにふくれを生じたり、樹脂の含浸不
良を生じたり、或は接続箇所の固定が不充分となり、接
続部が外れたり、接続部の強度が不充分となり易い難点
がある。上述したケーキＡ´の先端を、空気流を利用し
てロービングに巻付ける方法（実開昭６０−１３９３５
号公報参照）も提案されているが、この方法によるとき
は、Ａ以外のケーキから引出されたストランドで構成さ
れるロービングをケーキＡ´から引出されたストランド
で巻き締めることにより、ケーキＡ´から引出されたス
トランドが固定される。従って、この方法によるときは
ロービングに巻き付いたストランドがロービング中に点
在することとなり、この部分がほぐれて、このロービン
グを使用して得られたクロスの表面に露出したり、次の
工程でロービングをカッターで切断し、エアーで吹付け
て使用する際、散りが充分でないというような難点が生
ずる。本発明は、このような従来技術の難点を解消する
ことを目的としている。In order to connect and fix two strands, they have been tied together or bonded with an adhesive, but the roving obtained by such a method is used. When manufacturing FRP, these connecting parts (connecting parts) are hooked on the guide, the FRP at the part corresponding to the connecting part is bulged, the impregnation of the resin is caused, or the connecting part is fixed. Is insufficient, and the connecting portion may come off, or the strength of the connecting portion tends to be insufficient. A method of winding the tip of the above-mentioned cake A ′ around the roving by using an air flow (Actual No. 60-13935).
However, in the case of this method, the roving composed of strands drawn from a cake other than A is wound around the strands drawn from the cake A ′ to form the cake from the cake A ′. The drawn strand is fixed. Therefore, when this method is used, the strands wound around the roving are scattered during the roving, and this portion is loosened and exposed on the surface of the cloth obtained by using this roving, or in the roving in the next step. However, when the product is cut with a cutter and blown with air, it is difficult to disperse it. SUMMARY OF THE INVENTION The present invention aims to overcome such drawbacks of the conventional techniques.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、本発明においては、二本のガラス繊維束の端部を重
ね合わせ、ガラス繊維束挿入用スリットを備えた円形断
面を有する通路に挿入し、該通路にこれと直交する空気
吹込口から圧縮空気を吹込んで上記ガラス繊維束の端部
を開繊し、ガラス繊維束を構成するガラス繊維同志を混
り合わせて結合し、上記工程で得られたガラス繊維束連
絡体を複数本、結合部が長手方向に沿ってずれた位置に
なるよう引揃えることによりロービングの製造する。In order to achieve the above object, in the present invention, the ends of two glass fiber bundles are overlapped with each other to form a passage having a circular cross section with slits for inserting glass fiber bundles. Insert, blow compressed air from the air blowing port orthogonal to this into the passage to open the end of the glass fiber bundle, and mix and bond the glass fibers constituting the glass fiber bundle, The roving is manufactured by aligning a plurality of the glass fiber bundle connecting bodies obtained in (3) so that the joint portions are displaced in the longitudinal direction.
【０００５】次に、本発明を添付図面に就いて更に具体
的に説明する。ガラス繊維束（ストランド）１，２とし
ては、太さ５〜２０μ、好ましくは９〜１３μのガラス
繊維に集束剤を附与し５０〜４，０００本、好ましくは
１００〜４００本集束したものが好適に使用できる。集
束剤の種類に特に限定はないが、ポリ酢酸ビニル、ポリ
ウレタン、エポキシ等の皮膜形成剤を０，０２〜９ｗｔ
％、好ましくは０．０５〜４．５ｗｔ％、ビニルシラ
ン、アクリルシラン、ボラン等のカップリング剤を０．
００１〜１ｗｔ％、好ましくは０．００５〜０．５ｗｔ
％、テトラエチレンペンタミンとステアリン酸の縮合物
等の潤滑剤を０．００１〜１ｗｔ％、好ましくは０．０
０５〜０．５ｗｔ％含むものが適当であり、、又集束剤
の付与量は、ガラス繊維に対し、固型分として０．０１
〜１０ｗｔ％、好ましくは０．１〜５ｗｔ％とするのが
望ましい。Next, the present invention will be described more specifically with reference to the accompanying drawings. The glass fiber bundles (strands) 1 and 2 are those in which glass fibers having a thickness of 5 to 20 μm, preferably 9 to 13 μm are provided with a sizing agent and 50 to 4,000, preferably 100 to 400, are bundled. It can be used preferably. The type of sizing agent is not particularly limited, but 0.02 to 9 wt% of a film forming agent such as polyvinyl acetate, polyurethane, or epoxy is used.
%, Preferably 0.05 to 4.5 wt%, and a coupling agent such as vinyl silane, acryl silane, borane, etc.
001 to 1 wt%, preferably 0.005 to 0.5 wt
%, A lubricant such as a condensate of tetraethylenepentamine and stearic acid in an amount of 0.001 to 1 wt%, preferably 0.0
The content of the sizing agent is preferably 0.01 to 0.5% by weight, and the amount of the sizing agent applied is 0.01 to the glass fiber as a solid content.
It is desirable to set the content to 10 wt%, preferably 0.1 to 5 wt%.
【０００６】ガラス繊維束（ストランド）１，２を図
１，２に示すような、ストランドを挿入するためのスリ
ット３を有する円形断面を有する円形通路４に、ストラ
ンド１，２の端部を重ね合わせて挿入し、円形通路４に
直角に該通路に開孔する空気吹込孔５から、３〜７Ｋｇ
／ｃｍ2 Ｇ程度の圧縮空気を吹込む。なお、空気吹込孔
５は図１に示すように円形通路の中央に設け、又図２に
示すように円形通路の中心から若干ずれた位置に開孔せ
しめるのが適当である。なお、この際、円形通路の断面
積をストランド断面積のほぼ１０〜５００倍程度とし、
又ストランドが自由に撚れないようストランドを通路両
端に設けた固定具６，６を用いて軽く拘束するのが適当
である。なお、結合部の長さは０．５〜１０ｃｍ望まし
くは１〜３ｃｍとするのが適当である。The ends of the strands 1 and 2 are superposed on a circular passage 4 having a circular cross section having slits 3 for inserting the strands of glass fiber bundles (strands) 1 and 2 as shown in FIGS. 3 to 7 kg from the air blowing hole 5 which is inserted together and opened at right angles to the circular passage 4 in the passage.
Blow in compressed air of about / cm 2 G. Incidentally, it is appropriate that the air blowing hole 5 is provided at the center of the circular passage as shown in FIG. 1 and is opened at a position slightly deviated from the center of the circular passage as shown in FIG. At this time, the cross-sectional area of the circular passage is set to about 10 to 500 times the cross-sectional area of the strand,
Further, it is suitable that the strands are lightly restrained by using fixtures 6 and 6 provided at both ends of the passage so that the strands are not twisted freely. The length of the joint is 0.5 to 10 cm, preferably 1 to 3 cm.
【０００７】円形通路４に流入した圧縮空気は、該通路
に沿って流れその両端から流出するが、この空気の流れ
によりストランドは、これを構成するガラス繊維に開繊
されてまざり合って結合し、結合部７で結合されたガラ
ス繊維束連結体８が得られる。図３は、このようにして
得られた結合部の構造を示す斜視図である。ストランド
１，２の端部は、ほぼ単繊維状に開繊され、この開繊さ
れた繊維同志が混り合って結合部７が形成されている。
この結合部７の中央部９には撚りが与えられておらず、
中央部の両側の結合部には互いに逆方向の撚り（図にお
いては左側には左撚り、右側には右撚り）が与えられて
いる。The compressed air which has flowed into the circular passage 4 flows along the passage and flows out from both ends thereof. Due to the flow of the air, the strands are spread into the glass fibers constituting the strands and are combined with each other. The glass fiber bundle connected body 8 bonded at the bonding portion 7 is obtained. FIG. 3 is a perspective view showing the structure of the joint portion thus obtained. The ends of the strands 1 and 2 are opened into a substantially single fiber shape, and the opened fibers are mixed to form a joint 7.
No twist is given to the central portion 9 of the joint portion 7,
Twisting in opposite directions (left twisting on the left side and right twisting on the right side in the figure) is applied to the connecting portions on both sides of the central portion.
【０００８】このようにして得られたガラス繊維束連結
体を複数本、その結合部が長手方向に沿ってずれた位置
に設けられるようにストランドを複数本常法により引揃
えてロービング（図示せず）とする。なお、ストランド
の結合部の位置がずれるとは、全ストランド或は大部分
のストランドの結合部の位置が長手方向に沿って重なり
合わないことを意味するものであり、２〜３本程度のス
トランドの結合部の位置が同一となることを排除するも
のではない。なお、結合部と結合部の平均距離は１００
ｍ以上とするのが適当である。A plurality of glass fiber bundle connected bodies thus obtained, and a plurality of strands are aligned by a conventional method so that the joints are provided at positions displaced in the longitudinal direction, and roving (not shown). No)). It should be noted that misalignment of the connecting portions of the strands means that the positions of the connecting portions of all strands or most of the strands do not overlap along the longitudinal direction, and the number of strands of about 2 to 3 It does not preclude that the positions of the joints are the same. The average distance between the joints is 100.
It is suitable to be m or more.
【０００９】[0009]
【作用】二本のガラス繊維束の端部を重ね合わせ、ガラ
ス繊維束挿入用スリットを備えた円形断面を有する通路
に挿入し、該通路にこれと直交する空気吹込口から圧縮
空気を吹込んで上記ガラス繊維束の端部を開繊し、ガラ
ス繊維束を構成するガラス繊維同志を混り合わせて結合
し、上記工程で得られたガラス繊維束連結体を複数本、
結合部が長手方向に沿ってずれた位置になるよう引揃え
てロービングとすることにより、該ロービングに強い張
力を与えた場合にも結合部が外れたり、ほどけたりする
ことがなく、樹脂の含浸性も均一、良好であり、高性能
のロービングを工業的に容易に製造することを可能なら
しめる。Operation: The ends of two glass fiber bundles are overlapped and inserted into a passage having a circular cross section having a slit for inserting the glass fiber bundle, and compressed air is blown into the passage from an air blowing port orthogonal to the passage. The end portion of the glass fiber bundle is opened, the glass fibers constituting the glass fiber bundle are mixed together and bonded, and a plurality of glass fiber bundle linked bodies obtained in the above step,
By aligning the joints so that they are displaced along the longitudinal direction to form rovings, the joints will not come off or unravel even when a strong tension is applied to the rovings, and the resin impregnation will not occur. The properties are uniform and good, which makes it possible to easily produce high-performance rovings industrially.
【００１０】[0010]
【実施例】直径１０μのガラス繊維にエポキシ系集束剤
を固型分として０．５ｗｔ％附与し、５００本集束して
ストランドとした。このストランドの端部を７ｃｍ重ね
合わせ、図１，２に示すような通路（長さ５ｃｍ、直径
６ｍｍ）に挿入し、両端を軽く押さえて、６Ｋｇ／ｃｍ
2 Ｇの圧縮空気を吹き込むことにより、このストランド
を２本、図３に示したような結合部を形成させて連結し
た。結合部の諸元は次の通りである。 中央部の長さ 約２０ｍｍ 中央部の両端の撚りを与えた部分の長さ 各約１０ｍｍ 撚りの回数 ４回 このストランドの結合部の引張り強度（１０個の平均
値）は１，４０００ｇであった。これに対し、ストラン
ドを手結びした場合の引張り強度は５４０ｇであった。
上記のストランドを結合部が長手方向に沿ってずれた位
置となるよう１０本、引揃えてロービングとした。結合
部の位置のずれの平均値は５００ｍである。このロービ
ングに液状の不飽和ポリエステテル樹脂をロービングに
対し２００ｗｔ％含浸せしめたが含浸は均一に行なわれ
た。又このロービングをスプレーガンに送って切断した
がロービングがガイド或はガンに引掛かることはなかっ
た。これに対し従来の方法で得られたロービングでは１
５〜２５回の引掛りが生じた。EXAMPLE An epoxy sizing agent was added as a solid component to glass fibers having a diameter of 10 μm in an amount of 0.5 wt% and 500 strands were bundled into strands. The ends of this strand are overlapped by 7 cm and inserted into a passage (length 5 cm, diameter 6 mm) as shown in FIGS. 1 and 2, and both ends are lightly pressed to give 6 kg / cm.
By blowing in 2 G compressed air, two of these strands were connected to each other to form a joint as shown in FIG. The specifications of the joint are as follows. The length of the central portion is about 20 mm. The length of the twisted portion at both ends of the central portion is about 10 mm. The number of times of twisting is 4 times. The tensile strength (average value of 10 pieces) of the joint portion of this strand was 1,4000 g. .. On the other hand, the tensile strength when the strand was knotted was 540 g.
Ten strands of the above-mentioned strands were aligned so that the bonded portions were displaced along the longitudinal direction to form a roving. The average value of the displacement of the joint portion is 500 m. The roving was impregnated with a liquid unsaturated polyester ester resin in an amount of 200 wt% with respect to the roving, but the impregnation was performed uniformly. The roving was sent to a spray gun and cut, but the roving did not catch on the guide or the gun. On the other hand, the roving obtained by the conventional method is 1
The hooking occurred 5 to 25 times.
【００１１】[0011]
【発明の効果】本発明の方法により得られたロービング
は、引張り強度も大きく、樹脂の含浸も均一に行なわれ
る。又、このロービングは、樹脂の含浸も均一であり、
ロービングを引出して使用する際の引掛り等のトラブル
もなく、ロービングを切断する際の散りも良好である。
又本発明のロービングを使用することにより品質の良好
なクロスを得ることができる。本発明によるときはこの
ような高性能のロービングを工業的に容易に製造でき
る。The roving obtained by the method of the present invention has a large tensile strength and is uniformly impregnated with resin. In addition, this roving has a uniform resin impregnation,
There is no trouble such as catching when the roving is pulled out and used, and scattering when cutting the roving is also good.
Further, by using the roving of the present invention, a cloth of good quality can be obtained. According to the present invention, such a high-performance roving can be easily manufactured industrially.
【００１２】[0012]
【図１】本発明の方法を説明するための斜視図である。FIG. 1 is a perspective view for explaining a method of the present invention.
【図２】図１のＡ−Ａ断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】本発明の方法によって得られるガラス繊維束の
結合部の構造を示す斜視図である。FIG. 3 is a perspective view showing a structure of a joint portion of a glass fiber bundle obtained by the method of the present invention.
１ ガラス繊維束 ２ ガラス繊維束 ３ スリット ４ 円形通路 ５ 空気吹込孔 ６ 固定具 ７ 結合部 ８ ガラス繊維束連結体 ９ 中央部 1 Glass Fiber Bundle 2 Glass Fiber Bundle 3 Slit 4 Circular Passage 5 Air Blow Hole 6 Fixing Tool 7 Joining Part 8 Glass Fiber Bundle Connection 9 Central Part
Claims (6)
せ、ガラス繊維束挿入用スリットを備えた円形断面を有
する通路に挿入し、該通路にこれと直交する空気吹込口
から圧縮空気を吹込んで上記ガラス繊維束の端部を開繊
し、ガラス繊維束を構成するガラス繊維同志を混り合わ
せて結合し、上記工程で得られたガラス繊維束連結体を
複数本、結合部が長手方向に沿ってずれた位置になるよ
う引揃えることを特徴とするロービングの製造方法。1. The ends of two glass fiber bundles are overlapped with each other and inserted into a passage having a circular cross section having a slit for inserting the glass fiber bundle, and compressed air is introduced into the passage from an air blowing port orthogonal to the passage. Blowing to open the end of the glass fiber bundle, the glass fibers constituting the glass fiber bundle are mixed and combined, a plurality of glass fiber bundle connected body obtained in the above step, the connecting portion is long A method of manufacturing roving, characterized in that the rovings are aligned so as to be displaced along the direction.
５０〜４，０００本よりなるストランドである請求項１
記載のロービングの製造方法。2. The glass fiber bundle is a strand composed of 50 to 4,000 glass fibers of 5 to 20 μm.
A method for producing the roving described.
６０本である請求項２記載のロービングの製造方法。3. The number of aligned strand connecting bodies is 3 to
The method for producing rovings according to claim 2, wherein the number is 60.
１０〜５００倍である請求項１，２又は３記載のロービ
ングの製造方法。4. The method of manufacturing a roving according to claim 1, wherein the cross-sectional area of the passage is 10 to 500 times the cross-sectional responsibility of the glass fiber bundle.
である請求項１，２，３又は４記載のロービングの製造
方法。5. The pressure of compressed air is 3 to 7 kg / cm 2 G
The method for producing roving according to claim 1, 2, 3, or 4.
束を軽く固定しながら開繊する請求項２，３，４，５又
は６記載のロービングの製造方法。6. The method of manufacturing a roving according to claim 2, 3, 4, 5 or 6, wherein the glass fiber bundle is opened while being lightly fixed by a fixture provided at both ends of the passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24896992A JPH05239729A (en) | 1992-08-26 | 1992-08-26 | Production of roving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24896992A JPH05239729A (en) | 1992-08-26 | 1992-08-26 | Production of roving |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21370888A Division JPH0268322A (en) | 1988-08-30 | 1988-08-30 | Connecting structure of glass fiber bundle, roving and production of roving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05239729A true JPH05239729A (en) | 1993-09-17 |
Family
ID=17186085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24896992A Pending JPH05239729A (en) | 1992-08-26 | 1992-08-26 | Production of roving |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05239729A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001064569A3 (en) * | 2000-03-02 | 2002-07-25 | Owens Corning Fiberglass Corp | A package of strand and a method and apparatus for manufacturing the same |
| EP1712506A1 (en) * | 2000-03-02 | 2006-10-18 | Owens Corning | A package of strand and a method and apparatus for manufacturing the same |
| WO2022018364A1 (en) | 2020-07-23 | 2022-01-27 | Compagnie Generale Des Etablissements Michelin | Method and device for splicing multifilament textile fibres |
| EP3553009B1 (en) * | 2018-04-12 | 2022-03-30 | TMT Machinery, Inc. | Synthetic yarn splicer |
| EP3553008B1 (en) * | 2018-04-12 | 2023-03-29 | TMT Machinery, Inc. | Synthetic yarn splicer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5781068A (en) * | 1980-09-26 | 1982-05-20 | Murata Mach Ltd | Spun-yarn ending apparatus |
| JPS6015370A (en) * | 1983-07-04 | 1985-01-26 | Nippon Glass Seni Kk | Coupling method of glass fiber roving |
-
1992
- 1992-08-26 JP JP24896992A patent/JPH05239729A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5781068A (en) * | 1980-09-26 | 1982-05-20 | Murata Mach Ltd | Spun-yarn ending apparatus |
| JPS6015370A (en) * | 1983-07-04 | 1985-01-26 | Nippon Glass Seni Kk | Coupling method of glass fiber roving |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001064569A3 (en) * | 2000-03-02 | 2002-07-25 | Owens Corning Fiberglass Corp | A package of strand and a method and apparatus for manufacturing the same |
| EP1712506A1 (en) * | 2000-03-02 | 2006-10-18 | Owens Corning | A package of strand and a method and apparatus for manufacturing the same |
| EP3553009B1 (en) * | 2018-04-12 | 2022-03-30 | TMT Machinery, Inc. | Synthetic yarn splicer |
| EP3553008B1 (en) * | 2018-04-12 | 2023-03-29 | TMT Machinery, Inc. | Synthetic yarn splicer |
| WO2022018364A1 (en) | 2020-07-23 | 2022-01-27 | Compagnie Generale Des Etablissements Michelin | Method and device for splicing multifilament textile fibres |
| FR3112762A1 (en) | 2020-07-23 | 2022-01-28 | Compagnie Generale Des Etablissements Michelin | METHOD AND DEVICE FOR JOINING MULTI-FILAMENT TEXTILE FIBERS |
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