JPH0366408B2 - - Google Patents

Info

Publication number
JPH0366408B2
JPH0366408B2 JP63213708A JP21370888A JPH0366408B2 JP H0366408 B2 JPH0366408 B2 JP H0366408B2 JP 63213708 A JP63213708 A JP 63213708A JP 21370888 A JP21370888 A JP 21370888A JP H0366408 B2 JPH0366408 B2 JP H0366408B2
Authority
JP
Japan
Prior art keywords
glass fiber
roving
fiber bundle
passage
strands
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
Application number
JP63213708A
Other languages
Japanese (ja)
Other versions
JPH0268322A (en
Inventor
Hirohide Myazaki
Shingo Hirayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Fiber Glass Co Ltd
Original Assignee
Asahi Fiber Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Fiber Glass Co Ltd filed Critical Asahi Fiber Glass Co Ltd
Priority to JP21370888A priority Critical patent/JPH0268322A/en
Publication of JPH0268322A publication Critical patent/JPH0268322A/en
Publication of JPH0366408B2 publication Critical patent/JPH0366408B2/ja
Granted legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/16—Yarns or threads made from mineral substances
    • D02G3/18—Yarns or threads made from mineral substances from glass or the like
    • 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、ロービング並びにロービングの製造
方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a roving and a method for manufacturing a roving.

［従来の技術］ ガラス繊維束は、ブツ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つて製
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。[Prior Art] Glass fiber bundles are manufactured by applying a sizing agent to glass fibers pulled out from a bushing, converging them, and winding them around a paper tube fitted into a rotating mandrel. It is used after drying in CDO for a specified period of time.

巻取られたガラス繊維束（ストランド）は、ケ
ーキから引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。 The wound glass fiber bundle (strand) is often drawn out from the cake and continuously sent to the next process for use.

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′との終端とを接続固定し、
ストランドを連続的に送給する。 For example, strands are drawn from each of a number of cakes, these strands are pulled together to form a roving, and this roving is wound into a cylindrical shape. At this time, after one cake A is used and filled, or when the strand is cut, the end of the strand of this cake A and the end of the next cake A' are connected and fixed,
Feed the strands continuously.

［発明が解決しようとす課題］ 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、このような方法て得られたロービ
ングを使用してFRPを製造すると、これらの接
続部（連結部）がガイドに引掛つたり接続部に相
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。[Problem to be solved by the invention] In order to connect and fix two strands, they are tied together or bonded with adhesive, but it is not possible to use roving obtained by such a method. If FRP is manufactured using these methods, these connections (connections) may get caught on guides, bulges may occur in the FRP at the locations corresponding to the connections, poor resin impregnation may occur, or the connection locations may not be fixed properly. There is a problem in that the strength of the connection part is likely to be insufficient, causing the connection part to come off or the strength of the connection part to be insufficient.

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。 A method of wrapping the tip of the cake A′ mentioned above around a roving using air flow (Utility Model No. 60-13935)
(Refer to the publication No.) has also been proposed, but when using this method, by wrapping the roving made up of strands drawn from cakes other than cake A with the strands drawn from cake A', The drawn strand is fixed.

従つて、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ツターで切断し、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。 Therefore, when using this method, the strands wrapped around the roving will be scattered throughout the roving, and these parts will unravel and be exposed on the surface of the cloth obtained using this roving.
In the next step, when the roving is cut with a cutter and blown with air, there are problems such as insufficient scattering.

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。 The present invention aims to solve these problems of the prior art.

［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夫々ほぼ単繊維
に開繊し、この開繊された二つのガラス繊維束の
繊維同志を混り合わせて結合部を形成し、且つこ
の結合部の中央部には撚りを与えず、中央部の両
側の結合部には逆方向の撚りを与えることにより
ガラス繊維束を連結し、このガラス繊維束を複数
本、ガラス繊維束の連結部がガラス繊維束の長手
方向に沿つてずれた位置となるようにガラス繊維
束を引揃えてロービングとし、又二本のガラス繊
維束の端部を重ね合わせ、ガラス繊維束挿入用ス
リツ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つてずれた
位置になるよう引揃えることによりロービングを
製造する。[Means for Solving the Problems] In order to achieve the above object, in the present invention, the ends of two glass fiber bundles are each opened into substantially single fibers, and the two opened glass fibers are The fibers of the bundle are mixed together to form a joint, and the center of this joint is not twisted, but the joints on both sides of the center are twisted in opposite directions to form a glass fiber bundle. A plurality of these glass fiber bundles are connected, and the glass fiber bundles are aligned so that the connected portions of the glass fiber bundles are shifted in the longitudinal direction of the glass fiber bundles to form a roving, and two glass fiber bundles are The ends of the bundle are overlapped and inserted into a channel having a circular cross section with a slit for inserting the fiberglass bundle,
Compressed air is blown into the passage from an air blowing port perpendicular to the passage to open the ends of the glass fiber bundle, and the glass fibers constituting the glass fiber bundle are mixed and bonded to each other, and the glass fibers obtained in the above step are mixed and bonded. A roving is manufactured by arranging a plurality of connected glass fiber bundles so that the joints are at shifted positions along the longitudinal direction.

次に、本発明を添付図面に就いて更に具体的に
説明する。 Next, the present invention will be described in more detail with reference to the accompanying drawings.

ガラス繊維束（ストランド）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50〜4000本、好ましくは100〜400本集
束したものか好適に使用できる。 As a glass fiber bundle (strand), the thickness is 5.
A glass fiber of ~20μ, preferably 9~13μ, to which a sizing agent has been added and bundled in a number of 50 to 4000, preferably 100 to 400, can be suitably used.

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、エポキシ等の被膜形成剤を
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、ボラン等のカツプリン
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0.005〜0.5wt％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
のか望ましい。 There are no particular restrictions on the type of sizing agent, but film forming agents such as polyvinyl acetate, polyurethane, and epoxy may be used.
0.02 to 9 wt%, preferably 0.05 to 4.5 wt%, and 0,001 to 1 wt%, preferably 0.005 to 0.5 wt% of a coupling agent such as vinyl silane, acrylic silane, or borane.
%, containing 0,001 to 1 wt%, preferably 0.005 to 0.5 wt%, of a lubricant such as a condensate of tetraethylenepentamine and stearic acid, and the amount of sizing agent applied is determined based on the glass fiber. It is desirable that the solid content be 0.01 to 10 wt%, preferably 0.1 to 5 wt%.

第１図は本発明の結合部の構造を示す斜視図で
ある。 FIG. 1 is a perspective view showing the structure of a joint according to the present invention.

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つて結
合部３が形成されている。この結合部３の中央部
４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 ends of the strands 1 and 2 are opened into substantially single fibers, and the opened fibers are mixed together to form a joint 3. The central part 4 of this joint part 3 is not twisted, and the joint parts on both sides of the central part are twisted in opposite directions (in the figure, the left side is left-handed and the right side is right-handed). It is being

このようなストランドの結合部は、第２図に示
すような、ストランドを挿入するためのスリツト
５を有する円形断面を有する円形通路６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６に直角に該通路に開孔する空気吹込み孔７
から、３〜７Kg／cm2Ｇ程度の圧縮空気を吹込むこ
とによつて得ることができる。 Such a joint of strands is made by inserting the ends of the strands 1 and 2 into a circular passage 6 having a circular cross section and having a slit 5 for inserting the strands, as shown in FIG. An air blowing hole 7 opening perpendicularly to the circular passage 6 and into the passage.
It can be obtained by blowing compressed air of about 3 to 7 kg/cm 2 G from.

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８，８を用いて軽く拘束するのが適当
である。 At this time, the cross-sectional area of the circular passage is approximately 10 to 500 times the cross-sectional area of the strand, and the strand is lightly restrained using fixtures 8, 8 provided at both ends of the passage so that the strand does not twist freely. is appropriate.

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。 In addition, the length of the joint is 0.5 to 10 cm, preferably 1
~3cm is appropriate.

円形通路６に流入した圧縮空気は、該通路に沿
つ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い、撚りが与えられる。 The compressed air that has entered the circular passage 6 flows along the passage and exits from both ends of the passage, and this air flow causes the strand to open and mix with the glass fibers that make up the strand, giving it a twist.

このようにして得られたストランドを複数本、
その結合部が長手方向に沿つ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
えてロービングする。 Multiple strands obtained in this way,
A plurality of strands are aligned and roved by a conventional method so that the joint portions are provided at shifted positions along the longitudinal direction.

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つ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。 Note that the position of the joints of the strands is shifted means that the positions of the joints of all or most of the strands do not overlap along the longitudinal direction, and only about 2 to 3 strands This does not exclude that the positions of the joints are the same.

なお、結合部と結合部の平均距離は100ｍ以上
とするのが適当である。 Note that it is appropriate that the average distance between the joints is 100 m or more.

［作用］ 二本のガラス繊維束の端部が夫々ほぼ単繊維に
開繊し、この開繊された二つのガラス繊維束の繊
維同志を混り合わせ結合部を形成し、この結合部
の中央部には撚りを与えず、中央部の両側の結合
部には逆方向の撚りを与えることにより、二本の
ガラス繊維束の端部を強固に結合し、且つ樹脂の
含浸を良好ならしめる。[Operation] The ends of the two glass fiber bundles are each opened into almost single fibers, the fibers of the two opened glass fiber bundles are mixed together to form a joint, and the center of this joint is By not twisting the fiberglass fibers in the two glass fiber bundles and twisting them in opposite directions in the connecting portions on both sides of the central portion, the ends of the two glass fiber bundles can be firmly bonded and impregnated with the resin.

又このようにして結合されたガラス繊維束を複
数本平行に、且つ上記ストランドの結合部が長手
方向に沿つてずれた位置となるように引揃えてロ
ービングすることにより、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、樹脂の含浸性の均一、良好で
あり、高性能のロービングを得ることを可能なら
しめる。更に又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ツトを備えた円
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つてずれた位置になるよう引
揃えることにより前述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。 In addition, by roving a plurality of glass fiber bundles bonded in this way in parallel so that the bonded portions of the strands are shifted in the longitudinal direction, strong tension can be applied to the roving. Even when applied, the bonded portion does not come off or unravel, and the resin impregnation is uniform and good, making it possible to obtain high-performance roving. Furthermore, the ends of two glass fiber bundles are overlapped and inserted into a passage having a circular cross section equipped with a slit for inserting the glass fiber bundle, and compressed air is blown into the passage from an air blowing port perpendicular to the passage. The ends of the glass fiber bundle are opened, the glass fibers constituting the glass fiber bundle are mixed and bonded, and a plurality of connected glass fiber bundles obtained in the above step are connected so that the bonded portion runs along the longitudinal direction. By aligning the rovings so that they are shifted from each other, the above-mentioned rovings can be easily produced industrially.

実施例 １ 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。Example 1 Glass fibers with a diameter of 10 μm were added with 0.5 wt% of epoxy sizing agent as a solid content, and 500 fibers were bundled into a strand.

このストランドの端部を７cm重ね合わせ、第
２，３図に示すような通路（長さ５cm、直径６
mm）に挿入し、両端を軽く押えて、６Kg／cm2Ｇの
圧縮空気を吹き込むことにより、このストランド
を２本第１図に示したような結合部を形成させて
連結した。 The ends of these strands are overlapped by 7 cm, creating a channel (5 cm long, 6 cm diameter) as shown in Figures 2 and 3.
mm), both ends were lightly pressed, and compressed air of 6 kg/cm 2 G was blown into the strands to form a joint as shown in FIG. 1 and connect the two strands.

結合部の諸元は次の通りである。 The specifications of the joint are as follows.

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1400ｇであつた。 Length of the center part: Approximately 20 mm Length of the twisted portions at both ends of the center part: Approximately 10 mm each Number of twists: 4 The tensile strength of the joint of this strand (average value of 10 pieces) was 1400 g.

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であつた。 In contrast, the tensile strength when the strands were tied by hand was 540 g.

上記のストランドを結合部が長手方向に沿つて
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。 Ten of the above strands were arranged so that the joints were shifted in the longitudinal direction to form a roving. The average value of the displacement of the joint is 500 m.

このロービングに液状の不飽和ポリエステル樹
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。 This roving was impregnated with a liquid unsaturated polyester resin at 200 wt % based on the roving, but the impregnation was uniform.

又このロービングをスプレーガンに送つて切断
したがロービングがガイド或はガンに引掛ること
はなかつた。これに対し従来の方法で得られたロ
ービングでは15〜25回の引掛りが生じた。 Also, this roving was sent to a spray gun and cut, but the roving did not get caught in the guide or gun. In contrast, the roving obtained by the conventional method resulted in 15 to 25 snags.

［発明の効果］ 本発明の結合部は、引張り強度も大きく、樹脂
の含浸も均一に行なわれている。[Effects of the Invention] The bonded portion of the present invention has high tensile strength and is uniformly impregnated with resin.

本発明のロービングは、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。 The roving of the present invention is uniformly impregnated with resin, there is no trouble such as catching when the roving is pulled out and used, and the roving is easily scattered when the roving is cut. Furthermore, by using the roving of the present invention, a cloth of good quality can be obtained.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明に係るガラス繊維束の結合部
の構造を示す斜視図、第２図はガラス繊維束を結
合するために使用される方法を説明するための斜
視図、第３図は第２図に示す装置の−断面図
である。 なお、図中１，２はガラス繊維束、３は結合
部、４は中央部、５はスリツト、６は円形通路、
７は空気吹込孔、８は固定具を示す。 FIG. 1 is a perspective view showing the structure of the glass fiber bundle joining part according to the present invention, FIG. 2 is a perspective view illustrating the method used to join the glass fiber bundles, and FIG. FIG. 3 is a cross-sectional view of the device shown in FIG. 2; In addition, in the figure, 1 and 2 are glass fiber bundles, 3 is a joint part, 4 is a central part, 5 is a slit, 6 is a circular passage,
7 indicates an air blow hole, and 8 indicates a fixture.

Claims (1)

【特許請求の範囲】 １ 二本のガラス繊維束の端部が夫々ほぼ単繊維
に開繊され、この開繊された二つのガラス繊維束
の繊維同志が混り合つて結合部を形成し、この結
合部の中央部には撚りを与えず、中央部の両側の
結合部には逆方向の撚りを与えることによつて連
結されたガラス繊維束連結体が複数本平行に引揃
えられており、且つ上記ガラス繊維束連結体の結
合部が長手方向に沿つてずれた位置に設けられて
いるロービング。 ２ 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ツ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
方向に沿つ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。 ３ ガラス繊維束は５〜20μのガラス繊維50〜
4000本よりなるよりなるストランドである請求項
２記載のロービングの製造方法。 ４ ストランド連結体の引揃え本数は、３〜60本
である請求項３記載のロービングの製造方法。 ５ 通路断面積はガラス繊維束の断面積の10〜
500倍である請求項２，３又は４記載のロービン
グの製造方法。 ６ 圧縮空気の圧力は３〜７Kg／cm2Ｇである請求
項２，３，４又は５記載のロービングの製造方
法。 ７ 通路の両端に設けた固定具でガラス繊維束を
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。[Claims] 1. The ends of the two glass fiber bundles are each opened into substantially single fibers, and the fibers of the two opened glass fiber bundles are mixed together to form a joint, A plurality of connected glass fiber bundles are arranged in parallel by applying no twist to the center of this joint, and twisting in opposite directions to the joints on both sides of the center. , and a roving in which the connecting portions of the glass fiber bundle connected bodies are provided at positions shifted along the longitudinal direction. 2 The ends of two glass fiber bundles are overlapped and inserted into a passage having a circular cross section equipped with a slit for inserting the glass fiber bundle, and compressed air is blown into the passage from an air blowing port perpendicular to the passage to blow the glass fiber bundle into the glass fiber bundle. The ends of the fiber bundle are opened, the glass fibers constituting the glass fiber bundle are mixed and bonded, and a plurality of connected glass fiber bundles obtained in the above process are formed so that the bonded portion is along the longitudinal direction. A method for manufacturing roving, which comprises aligning the rovings so that they are in shifted positions. 3 Glass fiber bundle is 5~20μ glass fiber 50~
3. The method for manufacturing roving according to claim 2, wherein the roving is made of 4000 strands. 4. The method for manufacturing roving according to claim 3, wherein the number of strands connected is 3 to 60. 5 The cross-sectional area of the passage is 10 to 10 times the cross-sectional area of the glass fiber bundle.
5. The method for manufacturing roving according to claim 2, 3 or 4, wherein the roving is 500 times larger. 6. The method for manufacturing rovings according to claim 2, 3, 4 or 5, wherein the pressure of the compressed air is 3 to 7 kg/cm 2 G. 7. Claims 2, 3, 4, and 5, in which the glass fiber bundle is opened while being lightly fixed with fixtures provided at both ends of the passage.
Or the method for producing rovings according to 6.
JP21370888A 1988-08-30 1988-08-30 Roving and method of manufacturing roving Granted JPH0268322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21370888A JPH0268322A (en) 1988-08-30 1988-08-30 Roving and method of manufacturing roving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21370888A JPH0268322A (en) 1988-08-30 1988-08-30 Roving and method of manufacturing roving

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP12295791A Division JPH0640668A (en) 1991-04-26 1991-04-26 Glass fiber bundle and method for connecting glass fiber bundle
JP24896992A Division JPH05239729A (en) 1992-08-26 1992-08-26 Production of roving

Publications (2)

Publication Number Publication Date
JPH0268322A JPH0268322A (en) 1990-03-07
JPH0366408B2 true JPH0366408B2 (en) 1991-10-17

Family

ID=16643671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21370888A Granted JPH0268322A (en) 1988-08-30 1988-08-30 Roving and method of manufacturing roving

Country Status (1)

Country Link
JP (1) JPH0268322A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102258924B1 (en) * 2019-07-22 2021-06-02 주식회사 와이아이이엔지 Fiber glass bonding apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214338B2 (en) * 1974-06-11 1977-04-21
JPS6052063B2 (en) * 1978-08-17 1985-11-16 村田機械株式会社 Pneumatic splicing method
JPS5531734A (en) * 1978-08-21 1980-03-06 Murata Mach Ltd Air type knotting method
JPS57160870A (en) * 1981-03-25 1982-10-04 Murata Mach Ltd Joint of spun yarn
JPS5874470A (en) * 1981-10-27 1983-05-04 Murata Mach Ltd Pneumatic yarn ending device
JPS6015370A (en) * 1983-07-04 1985-01-26 Nippon Glass Seni Kk Coupling method of glass fiber roving

Also Published As

Publication number Publication date
JPH0268322A (en) 1990-03-07

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