JPWO2018198492A1 - Yarn package - Google Patents
Yarn package Download PDFInfo
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- JPWO2018198492A1 JPWO2018198492A1 JP2019515112A JP2019515112A JPWO2018198492A1 JP WO2018198492 A1 JPWO2018198492 A1 JP WO2018198492A1 JP 2019515112 A JP2019515112 A JP 2019515112A JP 2019515112 A JP2019515112 A JP 2019515112A JP WO2018198492 A1 JPWO2018198492 A1 JP WO2018198492A1
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- Prior art keywords
- yarn
- winding
- bobbin
- length
- height
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 131
- 239000002759 woven fabric Substances 0.000 abstract description 10
- 239000011521 glass Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 10
- 239000004744 fabric Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- -1 polypropylene Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
- B65H54/16—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers forming bottle bobbin packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H55/00—Wound packages of filamentary material
Abstract
糸口無しや巻崩れを防止し、解舒されたヤーンを用いて製造される織物等に毛羽が発生することを抑制できるヤーンパッケージを提供する。ヤーンパッケージ１は、ボビン２と、ボビン２に巻き取られたヤーン３とからなる。円筒形状をとる第１の巻取部７と、第２の巻取部８とを備える。第２の巻取部８は下部の円筒形状部９と、上部の円錐台形状部１０とからなる。第２の巻取部８の始端部は第１の巻取部７の終端部に連続し、第１の巻取部７の下端と第２の巻取部８の下端とのボビン２の底部４からの高さが実質的に同一であり、第１の巻取部７の全高Ｈ１に対する第２の巻取部８の全高Ｈ２の割合が９６．０〜９９．９％であり、ボビン表面被覆率が７５％以上である。Provided is a yarn package capable of preventing a lack of a thread and a winding collapse, and suppressing generation of fluff in a woven fabric or the like manufactured using the unwound yarn. The yarn package 1 includes a bobbin 2 and a yarn 3 wound around the bobbin 2. A first winding unit 7 having a cylindrical shape and a second winding unit 8 are provided. The second winding unit 8 includes a lower cylindrical portion 9 and an upper truncated cone portion 10. The start end of the second winding unit 8 is continuous with the end of the first winding unit 7, and the bottom of the bobbin 2 at the lower end of the first winding unit 7 and the lower end of the second winding unit 8. 4, the ratio of the total height H2 of the second winding section 8 to the total height H1 of the first winding section 7 is 96.0 to 99.9%, and the bobbin surface The coverage is 75% or more.
Description
本発明は、ヤーンパッケージに関する。 The present invention relates to a yarn package.
従来、ボビンと、該ボビンに巻き取られたヤーンとからなるヤーンパッケージが知られている。前記ヤーンは例えばガラス繊維からなるヤーン（以下、ガラスヤーンと略記する）であり、ガラス繊維織物等の製造に用いられる。 Conventionally, a yarn package including a bobbin and a yarn wound around the bobbin is known. The yarn is, for example, a yarn made of glass fiber (hereinafter abbreviated as glass yarn), and is used for manufacturing a glass fiber fabric or the like.
前記ガラスヤーンのヤーンパッケージとして、例えば、第１の巻取部と、第２の巻取部とを備えるヤーンパッケージが知られている（例えば、特許文献１参照）。前記第１の巻取部は、ボビンの芯部の表面をほぼ覆うように所定量のガラスヤーンが巻き取られて形成されている。また、前記第２の巻取部は、前記ガラスヤーンが連続して前記ボビンの芯部に所定量巻き取られて形成されている。 As a yarn package of the glass yarn, for example, a yarn package including a first winding unit and a second winding unit is known (for example, see Patent Document 1). The first winding unit is formed by winding a predetermined amount of glass yarn so as to substantially cover the surface of the bobbin core. The second winding unit is formed by winding the glass yarn continuously around the core of the bobbin by a predetermined amount.
また、前記ガラスヤーンのヤーンパッケージとして、前記第２の巻取部の下端から全高の３０〜７０％の範囲の高さの部分を円筒形状とし、残りの高さの部分を円錐台形状としたヤーンパッケージが知られている（例えば、特許文献２参照）。 Further, as the yarn package of the glass yarn, a portion having a height in a range of 30 to 70% of the total height from the lower end of the second winding portion is formed in a cylindrical shape, and a portion having the remaining height is formed in a truncated cone shape. A yarn package is known (for example, see Patent Document 2).
しかしながら、前記従来のヤーンパッケージでは、ヤーンを引き出して解舒する際に該ヤーンが切断する現象や、端部にほつれが発生する現象が発生したり、解舒されたヤーンを用いて製造される織物等の製品に毛羽が発生したりするという不都合がある。 However, in the conventional yarn package, when the yarn is pulled out and unwound, a phenomenon that the yarn is cut or a phenomenon that a fray occurs at an end occurs, or the yarn is manufactured using the unwound yarn. There is an inconvenience that fluff is generated in products such as woven fabrics.
前記ヤーンが切断する現象は、「糸口無し」と呼ばれる。また、前記端部にほつれが発生する現象は「巻崩れ」と呼ばれる。 The phenomenon in which the yarn breaks is called "no clasp". Further, the phenomenon in which the ends are frayed is referred to as "roll collapse".
本発明は、かかる不都合を解消して、糸口無しや巻崩れを防止し、さらに解舒されたヤーンを用いて製造される織物等の製品に毛羽が発生することを抑制することができるヤーンパッケージを提供することを目的とする。 The present invention eliminates such inconveniences, prevents yarn breaks and winding breaks, and further suppresses the generation of fluff in products such as woven fabrics manufactured using unwound yarns. The purpose is to provide.
かかる目的を達成するために、本発明のヤーンパッケージは、ボビンと、該ボビンに巻き取られたヤーンとからなるヤーンパッケージであって、該ヤーンが該ボビンに接して巻き取られ円筒形状をとる第１の巻取部と、該ヤーンが該第１の巻取部に接して巻き取られ、下部が円筒形状をとり、上部が円錐台形状をとり、始端部が該第１の巻取部の終端部に連続している第２の巻取部とを備え、該第１の巻取部の下端の該ボビンの底部からの高さと、該第２の巻取部の下端の該ボビンの底部からの高さとが実質的に同一であり、該第１の巻取部の全高に対する該第２の巻取部の全高の割合が９６．０〜９９．９％の範囲であり、該第１の巻取部に巻き取られた該ヤーンの全体もしくは一部の長さ単独又は、該第１の巻取部に巻き取られた該ヤーンの全体の長さと該第２の巻取部に巻き取られた該ヤーンの全体もしくは一部の長さとの合計の長さが２０００ｍとなる際の該ボビンの表面被覆率が７５％以上であることを特徴とする。 In order to achieve the above object, a yarn package of the present invention is a yarn package including a bobbin and a yarn wound around the bobbin, wherein the yarn is wound in contact with the bobbin and takes a cylindrical shape. A first winding portion, wherein the yarn is wound in contact with the first winding portion, a lower portion has a cylindrical shape, an upper portion has a truncated conical shape, and a starting end portion is the first winding portion. A second winding portion continuous with the end portion of the bobbin, and a height of the lower end of the first winding portion from the bottom of the bobbin, and a height of the bobbin at the lower end of the second winding portion. The height from the bottom is substantially the same, and the ratio of the total height of the second winding section to the total height of the first winding section is in the range of 96.0 to 99.9%; One or all of the length of the yarn wound around the first winding portion, or the length of the yarn wound around the first winding portion. When the total length of the entire length of the bobbin and the entire length or a part of the length of the yarn wound on the second winding portion is 2000 m, the surface coverage of the bobbin is 75% or more. It is characterized by the following.
本発明のヤーンパッケージは、前記第１の巻取部の下端の前記ボビンの底部からの高さと、前記第２の巻取部の下端の該ボビンの底部からの高さとが実質的に同一であり、該第１の巻取部の全高に対する該第２の巻取部の全高の割合が９６．０〜９９．９％の範囲であることにより、解舒する際の巻崩れの発生を防止することができ、さらに解舒されたヤーンを用いて製造される織物等の製品に毛羽が発生することを抑制することができる。 In the yarn package of the present invention, the height of the lower end of the first winding unit from the bottom of the bobbin is substantially the same as the height of the lower end of the second winding unit from the bottom of the bobbin. Since the ratio of the total height of the second winding portion to the total height of the first winding portion is in the range of 96.0 to 99.9%, the occurrence of winding collapse when unwinding is prevented. Further, generation of fluff on a product such as a woven fabric manufactured using the unwound yarn can be suppressed.
なお、本明細書において、前記「実質的に同一」とは、前記第１の巻取部の下端の前記ボビンの底部からの高さと、前記第２の巻取部の下端の該ボビンの底部からの高さとの差が０．１ｍｍ以内であることを意味する。 In the present specification, the term “substantially the same” refers to the height of the lower end of the first winding unit from the bottom of the bobbin and the bottom of the bobbin at the lower end of the second winding unit. Means that the difference from the height is within 0.1 mm.
前記第１の巻取部の全高に対する前記第２の巻取部の全高の割合が９６．０％未満であるときには、解舒されたヤーンを用いて製造される織物等の製品に毛羽が発生することを抑制することができない。また、前記第１の巻取部の全高に対する前記第２の巻取部の全高の割合が９９．９％を超えるときには、解舒する際の巻崩れの発生を防止することができない。 When the ratio of the total height of the second winding portion to the total height of the first winding portion is less than 96.0%, fluff is generated in a product such as a fabric manufactured using the unwound yarn. Cannot be suppressed. Further, when the ratio of the total height of the second winding portion to the total height of the first winding portion exceeds 99.9%, it is not possible to prevent the occurrence of winding collapse when unwinding.
また、本発明のヤーンパッケージは、前記第１の巻取部に巻き取られた前記ヤーンの全体もしくは一部の長さ単独又は、該第１の巻取部に巻き取られた該ヤーンの全体の長さと前記第２の巻取部に巻き取られた該ヤーンの全体もしくは一部の長さとの合計の長さが２０００ｍとなる際の前記ボビンの表面被覆率が７５％以上であることにより、解舒の際に糸口無しの発生を防止することができる。一方、前記ボビンの表面被覆率が７５％未満であるときには、解舒の際に糸口無しの発生を防止することができない。 Further, the yarn package of the present invention may be configured such that the whole length or a part of the length of the yarn wound around the first winding portion or the entire length of the yarn wound around the first winding portion is used. The bobbin has a surface coverage of 75% or more when the total length of the length of the yarn wound on the second winding portion and the entire length or a part of the length of the yarn becomes 2000 m. In addition, it is possible to prevent the occurrence of no clue at the time of unwinding. On the other hand, if the surface coverage of the bobbin is less than 75%, it is not possible to prevent the occurrence of no clasps during unwinding.
また、本発明のヤーンパッケージは、前記第２の巻取部の全高に対する該第２の巻取部の下部の前記円筒形状をとる部分（以下、円筒形状部と略記することがある）の高さの割合が７１．５〜９０．０％の範囲であることが好ましい。本発明のヤーンパッケージは、前記第２の巻取部の全高に対する該第２の巻取部の円筒形状部の高さの割合が前記範囲であることにより、優れた解舒性を得ることができ、解舒の際に糸口無しの発生を特に効果的に防止することができる。 Further, in the yarn package of the present invention, the height of the cylindrical portion below the second winding portion with respect to the total height of the second winding portion (hereinafter, may be abbreviated as a cylindrical portion). It is preferable that the ratio of the thickness be in the range of 71.5 to 90.0%. The yarn package of the present invention can obtain excellent unwinding property by the ratio of the height of the cylindrical portion of the second winding portion to the total height of the second winding portion being within the above range. It is possible to particularly effectively prevent the occurrence of no thread at the time of unwinding.
また、本発明のヤーンパッケージは、前記第２の巻取部の上部の前記円錐台形状をとる部分（以下、円錐台形状部と略記することがある）の円錐台形状部分割率が２．０〜１５．０の範囲であることが好ましい。本発明のヤーンパッケージは、前記円錐台形状部分割率が２．０％以上であることにより、解舒の際に糸口無しの発生を特に効果的に防止することができる。一方、前記円錐台形状部分割率が１５．０％以下であることにより、巻崩れの発生を特に効果的に防止することができる。 Further, in the yarn package of the present invention, a truncated-cone-shaped portion division ratio of a portion having the truncated-cone shape on the upper portion of the second winding portion (hereinafter, may be abbreviated as a truncated-cone-shaped portion) is 2. It is preferably in the range of 0 to 15.0. In the yarn package according to the present invention, when the truncated cone-shaped portion division ratio is 2.0% or more, it is possible to particularly effectively prevent the occurrence of no thread at the time of unwinding. On the other hand, when the truncated cone-shaped part dividing ratio is 15.0% or less, the occurrence of winding collapse can be particularly effectively prevented.
また、本発明のヤーンパッケージは、該ヤーンパッケージに巻き取られる前記ヤーンの全糸長に対し、前記第１の巻取部に巻き取られる該ヤーンの糸長の割合は、０．１〜１０．０％の範囲であることが好ましい。前記ヤーンパッケージに巻き取られる前記ヤーンの全糸長に対する前記第１の巻取部に巻き取られる該ヤーンの糸長の割合が前記範囲にあることにより、解舒の際に糸口無しの発生を防止することができる。 Further, in the yarn package of the present invention, the ratio of the yarn length of the yarn wound around the first winding section to the total yarn length of the yarn wound around the yarn package is 0.1 to 10%. It is preferably in the range of 0.0%. When the ratio of the yarn length of the yarn wound around the first winding section to the total yarn length of the yarn wound around the yarn package is within the above range, the occurrence of no splicer at the time of unwinding can be prevented. Can be prevented.
次に、添付の図面を参照しながら本発明の実施の形態についてさらに詳しく説明する。 Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
図１に示すように、本実施形態のヤーンパッケージ１は、ボビン２と、ボビン２に巻き取られたヤーン３とからなる。ヤーン３は、ポリアミド繊維、アラミド繊維等の有機繊維ヤーンでもよく、ガラス繊維、炭素繊維等の無機繊維ヤーンでもよいが、ガラスヤーンであることが好ましい。 As shown in FIG. 1, the yarn package 1 of the present embodiment includes a bobbin 2 and a yarn 3 wound around the bobbin 2. The yarn 3 may be an organic fiber yarn such as a polyamide fiber or an aramid fiber, or may be an inorganic fiber yarn such as a glass fiber or a carbon fiber, but is preferably a glass yarn.
ヤーン３がガラスヤーンである場合には、モノフィラメントヤーンであってもよく、マルチフィラメントヤーンであってもよい。マルチフィラメントヤーンの場合、１つのガラスフィラメントの繊維径は３〜３０μｍであり、１０〜１５００本のガラスフィラメントが集束されてヤーンを形成している。前記ガラスヤーンの重量は、例えば、０．５〜２００ｔｅｘ（ｇ／ｋｍ）である。 When the yarn 3 is a glass yarn, it may be a monofilament yarn or a multifilament yarn. In the case of a multifilament yarn, one glass filament has a fiber diameter of 3 to 30 μm, and 10 to 1500 glass filaments are bundled to form a yarn. The weight of the glass yarn is, for example, 0.5 to 200 tex (g / km).
前記マルチフィラメントヤーンであるガラスヤーンは、溶融炉で溶融された溶融ガラスをブッシングのノズルから引き出して形成されたガラスフィラメントを複数本集束してガラスストランドとし、該ガラスストランドを巻き取りチューブに巻き取ってケーキとした後、該ケーキからボビンに該ストランドを巻き戻し、通常、０．２〜１．５Ｚの撚りをかけることにより形成される。なお、ストランドの巻き戻しの際に撚りをかけない場合もあるし、０．２〜１．５Ｓの撚りをかける場合もある。ここで、数値末尾の「Ｚ」は、「Ｚ撚り」（撚り方向が右ネジの方向に撚られていること）を意味し、数値末尾の「Ｓ」は「Ｓ撚り」（撚り方向が左ネジの方向に撚られていること）を意味する。 The glass filament, which is the multifilament yarn, is configured such that a plurality of glass filaments formed by drawing molten glass melted in a melting furnace from a bushing nozzle are bundled into a glass strand, and the glass strand is wound into a winding tube. After forming a cake, the strand is unwound from the cake to a bobbin, and is usually formed by twisting 0.2 to 1.5Z. In addition, when unwinding a strand, twist may not be applied, and twist of 0.2 to 1.5 S may be applied. Here, “Z” at the end of the numerical value means “Z twist” (the twist direction is twisted in the direction of the right screw), and “S” at the end of the numerical value is “S twist” (the twist direction is left. Twisted in the direction of the screw).
ボビン２は、底部４と、底部４に立設された円筒状の芯部５と、芯部５の上端に設けられた頂部６とからなる。ボビン２は、例えば、底部４から頂部６までの高さが１５０〜７００ｍｍであり、芯部５の直径が３０〜２００ｍｍのものを挙げることができる。 The bobbin 2 includes a bottom 4, a cylindrical core 5 erected on the bottom 4, and a top 6 provided at an upper end of the core 5. The bobbin 2 may have, for example, a height from the bottom 4 to the top 6 of 150 to 700 mm and a diameter of the core 5 of 30 to 200 mm.
ボビン２の素材としては、例えば、アクリロニトリル・ブタジエン・スチレン共重合樹脂、ポリカーボネート樹脂、ポリプロピレン樹脂、ポリブチレンテレフタレート樹脂等の樹脂を挙げることができる。ボビン２は、底部５又は頂部６にフランジを有しても、有さなくてもよく、ヤーン２が巻き取られる芯部５に、溝が設けられていてもよい。 Examples of the material of the bobbin 2 include resins such as acrylonitrile-butadiene-styrene copolymer resin, polycarbonate resin, polypropylene resin, and polybutylene terephthalate resin. The bobbin 2 may or may not have a flange at the bottom 5 or the top 6, and a groove may be provided in the core 5 around which the yarn 2 is wound.
また、ヤーン３はボビン２の芯部５に接して巻き取られ円筒形状をとる第１の巻取部７と、第１の巻取部７に接して巻き取られた第２の巻取部８とからなる。本実施形態のヤーンパッケージ１を用いて織物を製造する場合、第２の巻取部８の終端からヤーンを解舒して用いられていく。第２の巻取部８を構成するヤーンが全て使用された後に、第１の巻取部７の終端からヤーンを解舒して織物製造に用いることが可能であるが、第１の巻取部７を構成するヤーンは織物製造に用いられない場合もある。 Further, the yarn 3 is wound in contact with the core 5 of the bobbin 2 and is wound into a cylindrical shape, and a second winding portion is wound in contact with the first winding portion 7. 8 When fabric is manufactured using the yarn package 1 of the present embodiment, the yarn is unwound from the end of the second winding section 8 and used. After all the yarns constituting the second winding section 8 have been used, the yarn can be unwound from the end of the first winding section 7 and used for fabric production. The yarns constituting part 7 may not be used for fabric production.
第２の巻取部８は、下部が円筒形状をとる円筒形状部９となっており、上部が円錐台形状をとる円錐台形状部１０となっている。また、第２の巻取部８の始端部は第１の巻取部７の終端部に連続しており、第１の巻取部７の下端のボビン２の底部４からの高さと、第２の巻取部８の下端のボビン２の底部４からの高さとは実質的に同一となっている。 The lower part of the second winding part 8 is a cylindrical part 9 having a cylindrical shape, and the upper part is a truncated cone-shaped part 10 having a truncated cone shape. Also, the start end of the second winding unit 8 is continuous with the end of the first winding unit 7, and the height of the lower end of the first winding unit 7 from the bottom 4 of the bobbin 2, The height of the lower end of the winding portion 8 from the bottom 4 of the bobbin 2 is substantially the same.
ヤーンパッケージ１では、第１の巻取部７の全高Ｈ１に対する第２の巻取部８の全高Ｈ２の割合（（Ｈ２／Ｈ１）×１００）が、９６．０〜９９．９％の範囲であることにより、解舒する際の巻崩れの発生を防止することができ、さらに解舒されたヤーン３を用いて製造される織物等の製品に毛羽が発生することを抑制することができる。Ｈ１に対するＨ２の割合は、好ましくは９８．０〜９９．８％の範囲であり、より好ましくは９９．０〜９９．７％の範囲であり、さらに好ましくは９９．２〜９９．６％の範囲である。In the yarn package 1, the ratio ((H 2 / H 1 ) × 100) of the total height H 2 of the second winding section 8 to the total height H 1 of the first winding section 7 is 96.0 to 99.9. %, It is possible to prevent the occurrence of unwinding during unwinding, and further suppress the generation of fluff in a product such as a woven fabric manufactured using the unwound yarn 3. be able to. The ratio of H 2 is for H 1, preferably in the range of 98.0 to 99.8%, more preferably in the range of 99.0 to 99.7%, more preferably 99.2 to 99.6 % Range.
第１の巻取部７の全高Ｈ１は、例えば、１００〜５００ｍｍであり、ボビン２の全高に対して、４０〜９５％の範囲である。The total height H1 of the first winding section 7 is, for example, 100 to 500 mm, and is in the range of 40 to 95% of the total height of the bobbin 2.
また、ヤーンパッケージ１では、第１の巻取部７に巻き取られたヤーン３の全体もしくは一部の長さ単独又は、第１の巻取部７に巻き取られたヤーン３の全体の長さと第２の巻取部８に巻き取られたヤーン３の全体もしくは一部の長さとの合計の長さが２０００ｍとなる際のボビン２の表面被覆率（以下、ボビン表面被覆率と略記する）が７５％以上であることにより、解舒の際に糸口無しの発生を防止することができる。ボビン表面被覆率は、好ましくは８０％以上であり、より好ましくは８５％以上であり、さらに好ましくは９０％以上であり、特に好ましくは９２％以上であり、殊に好ましくは９４％以上であり、最も好ましくは９６％以上である。 In the yarn package 1, the length of the whole or a part of the yarn 3 wound around the first winding section 7 or the entire length of the yarn 3 wound around the first winding section 7 is used. When the total length of the yarn 3 and the whole or a part of the length of the yarn 3 wound on the second winding portion 8 becomes 2000 m (hereinafter, abbreviated as bobbin surface coverage). ) Is 75% or more, it is possible to prevent the occurrence of no clasp at the time of unwinding. The bobbin surface coverage is preferably 80% or more, more preferably 85% or more, further preferably 90% or more, particularly preferably 92% or more, and particularly preferably 94% or more. , Most preferably 96% or more.
ボビン２の表面被覆率は、次のようにして求めることができる。まず、ボビン２の重量及びヤーン３の単位長さあたりの質量（例えば、テックス（ｇ／ｋｍ））を求めた上で、ヤーンパッケージ１の重量を測定しながら、第２の巻取部８の終端からヤーン３を解舒していき、ヤーンパッケージ１の重量が、ボビン２の重量及び２０００ｍの長さに相当するヤーン３の重量の合計量になるまで、ヤーン３を解舒する。次いで、第１の巻取部７の上端から垂直下方向に３０ｍｍの点を中心とする１０ｍｍ四方の四角形領域を画像処理装置で２値化し、前記領域全体の面積に対するヤーン３が巻き取られた部分の面積の割合を求めることによりボビン表面被覆率を求めることができる。前記画像処理装置による２値化は、例えば、ヤーン３が巻き取られている部分を白とし、ヤーン３が巻き取られていない部分を黒とすることにより行う。 The surface coverage of the bobbin 2 can be determined as follows. First, the weight of the bobbin 2 and the mass per unit length of the yarn 3 (for example, tex (g / km)) are determined. The yarn 3 is unwound from the end, and the yarn 3 is unwound until the weight of the yarn package 1 becomes the total amount of the weight of the bobbin 2 and the weight of the yarn 3 corresponding to a length of 2000 m. Next, a 10 mm square region centered on a point 30 mm vertically downward from the upper end of the first winding unit 7 was binarized by an image processing device, and the yarn 3 with respect to the entire area of the region was wound. By determining the ratio of the area of the portion, the bobbin surface coverage can be determined. The binarization by the image processing apparatus is performed, for example, by setting a portion where the yarn 3 is wound up as white and a portion where the yarn 3 is not wound up as black.
また、ヤーンパッケージ１において、第２の巻取部８の全高Ｈ２に対する第２の巻取部８の下部の円筒形状部９の高さｈ１の割合（（ｈ１／Ｈ２）×１００が７１．５〜９０．０％の範囲であることにより、優れた解舒性を得ることができ、解舒の際に糸口無しの発生を特に効果的に防止することができる。Ｈ２に対するｈ１の割合は、好ましくは７５．０〜９０．０％の範囲であり、より好ましくは７６．０〜８９．０％の範囲である。Further, in the yarn package 1, a height ratio of h 1 of the lower cylindrical portion 9 of the second winding section 8 for the overall height of H 2 second winding section 8 ((h 1 / H 2 ) × 100 by There is a range of 71.5 to 90.0%, for .H 2 excellent unwinding properties could be obtained, it is possible to particularly effectively prevent the generation of free clues during unwinding ratio of h 1 is preferably in the range of 75.0 to 90.0%, more preferably in the range of 76.0 to 89.0%.
また、ヤーンパッケージ１において、第２の巻取部８の上部の円錐台形状部１０の円錐台形状部分割率が２．０〜１５．０の範囲であり、好ましくは２．５〜１０．０の範囲であり、より好ましくは３．０〜８．０の範囲であり、さらに好ましくは３．５〜７．０の範囲にあることにより、解舒の際に糸口無しの発生及び巻崩れの発生を特に効果的に防止することができる。 Further, in the yarn package 1, the division ratio of the truncated cone portion of the truncated cone portion 10 on the upper part of the second winding portion 8 is in the range of 2.0 to 15.0, preferably 2.5 to 15.0. 0, more preferably in the range of 3.0 to 8.0, and still more preferably in the range of 3.5 to 7.0. Can be particularly effectively prevented.
前記円錐台形状部分割率は、円錐台形状部１０の高さ（ｍｍ）を、円錐台形状部階層数で除すことにより求めることができる。前記円錐台形状部階層数は、第２の巻取部８のヤーン３を解舒する際、リフト長が最も長い地点（円錐台形状部１０の上端）に巻かれたヤーン３が解舒されるまでのターン数を数えることにより求めることができる。ここで、前記リフト長は、第２の巻取部８にヤーン３が巻かれる際のボビン２の底部４からの巻高さであり、巻高さが変わることにより円錐台形状部１０が形成される。 The truncated cone-shaped part dividing ratio can be obtained by dividing the height (mm) of the truncated cone shaped part 10 by the number of layers of the truncated cone shaped part. When the yarn 3 of the second winding section 8 is unwound, the yarn 3 wound at the point where the lift length is the longest (the upper end of the frustoconical section 10) is unwound. It can be obtained by counting the number of turns until the start. Here, the lift length is a winding height from the bottom 4 of the bobbin 2 when the yarn 3 is wound around the second winding portion 8, and the frustoconical portion 10 is formed by changing the winding height. Is done.
前記ターン数は、前記リフト長が最も短い地点からボビン２の底部４に向かってヤーン３が解舒され、ボビン２の底部４で折り返して、リフト長が２番目に短い地点でヤーン３が解舒されるまでを１ターン目とする。また、リフト長が２番目に短い地点からボビン２の底部４に向かってヤーン３が解舒され、ボビン２の底部４で折り返して、リフト長が３番目に短い地点でヤーン３が解舒されるまでを２ターン目とする。そして、この操作を繰り返すことによりターン数を数えることができる。 The number of turns is such that the yarn 3 is unwound from the point where the lift length is the shortest toward the bottom 4 of the bobbin 2 and turned back at the bottom 4 of the bobbin 2 and the yarn 3 is unwound at the point where the lift length is the second shortest. The first turn is defined as the turn. In addition, the yarn 3 is unwound from the point where the lift length is the second shortest toward the bottom 4 of the bobbin 2 and turned back at the bottom 4 of the bobbin 2 to unwind the yarn 3 at the point where the lift length is the third shortest. Until the second turn. Then, by repeating this operation, the number of turns can be counted.
また、ヤーンパッケージ１において、ヤーンを下端から上端方向に巻き取る際の巻き取りピッチ（上端方向巻き取りピッチ）は０．４〜２．５ｍｍの範囲とすることができ、ヤーンを上端から下端方向に巻き取る際の巻き取りピッチ（下端方向巻き取りピッチ）は１．０〜３．５ｍｍの範囲とすることができる。上端方向巻き取りピッチが０．６〜２．２ｍｍの範囲であり、かつ、下端方向巻き取りピッチが１．４〜３．０ｍｍの範囲であることが好ましく、上端方向巻き取りピッチが０．８〜１．８ｍｍの範囲であり、かつ、下端方向巻き取りピッチが１．８〜２．８ｍｍの範囲であることがさらに好ましい。 Further, in the yarn package 1, the winding pitch (upper direction winding pitch) when winding the yarn from the lower end to the upper end can be in the range of 0.4 to 2.5 mm, and the yarn is wound from the upper end to the lower end. The winding pitch (winding pitch in the lower end direction) at the time of winding can be in the range of 1.0 to 3.5 mm. Preferably, the upper-end winding pitch is in the range of 0.6 to 2.2 mm, and the lower-end winding pitch is in the range of 1.4 to 3.0 mm, and the upper-end winding pitch is 0.8. It is more preferable that it is in the range of 1.8 to 1.8 mm and the winding pitch in the lower end direction is in the range of 1.8 to 2.8 mm.
また、ヤーンパッケージ１において、ヤーンパッケージ１に巻き取られるヤーン３の全糸長に対し、第１の巻取部７に巻き取られるヤーン３の糸長の割合は、０．１〜１０．０％の範囲であることにより解舒の際に糸口無しの発生を防止することができる。また、ヤーンパッケージ１に巻き取られるヤーン３の全糸長に対し、第１の巻取部７に巻き取られるヤーン３の糸長の割合は、０．７〜７．０％の範囲であることが、解舒の際に糸口無しの発生を特に効果的に防止することができるので好ましい。ヤーンパッケージ１に巻き取られるヤーン３の全糸長に対する第１の巻取部７に巻き取られるヤーン３の糸長の割合は、より好ましくは１．０〜４．０％の範囲であり、さらに好ましくは１．１〜３．０％の範囲であり、特に好ましくは１．２〜２．０％の範囲であり、最も好ましくは、１．３〜１．８％の範囲である。 In the yarn package 1, the ratio of the yarn length of the yarn 3 wound around the first winding unit 7 to the total yarn length of the yarn 3 wound around the yarn package 1 is 0.1 to 10.0. %, It is possible to prevent the occurrence of no yarn clasp at the time of unwinding. The ratio of the yarn length of the yarn 3 wound on the first winding unit 7 to the total yarn length of the yarn 3 wound on the yarn package 1 is in the range of 0.7 to 7.0%. This is particularly preferable because the occurrence of no thread clasp during unwinding can be particularly effectively prevented. The ratio of the yarn length of the yarn 3 wound on the first winding section 7 to the total yarn length of the yarn 3 wound on the yarn package 1 is more preferably in the range of 1.0 to 4.0%, It is more preferably in the range of 1.1 to 3.0%, particularly preferably in the range of 1.2 to 2.0%, and most preferably in the range of 1.3 to 1.8%.
次に、本発明の実施例及び比較例を示す。 Next, Examples and Comparative Examples of the present invention will be described.
〔実施例１〜７及び比較例１〜３〕
本実施例及び比較例では、まず、ケーキからボビンに巻き戻されたストランドに撚りをかけながらボビン２の芯部５に接してヤーン３を巻き取ることにより第１の巻取部７を形成した。ヤーン３は、フィラメント径４．０μｍのガラスフィラメントを５０本集束して形成され、１．６５ｔｅｘの重量を備えている。次に、ケーキから巻き戻されたストランドに撚りをかけながら第１の巻取部７に接してヤーン３を巻き取ることにより第２の巻取部８を形成した。[Examples 1 to 7 and Comparative Examples 1 to 3]
In the present example and the comparative example, first, the first wound portion 7 was formed by winding the yarn 3 in contact with the core portion 5 of the bobbin 2 while twisting the strand unwound from the cake to the bobbin. . The yarn 3 is formed by bundling 50 glass filaments having a filament diameter of 4.0 μm and has a weight of 1.65 tex. Next, while twisting the strand unwound from the cake, the yarn 3 was wound in contact with the first winding section 7 to form the second winding section 8.
このとき、第１の巻取部７の全高Ｈ１を２１８ｍｍ、第１の巻取部７及び第２の巻取部８における上端方向巻き取りピッチを０．９ｍｍ、第１の巻取部７及び第２の巻取部８における上端方向巻き取りピッチを２．５ｍｍとし、第１の巻取部７に巻き取られたヤーン３の糸長Ｌ１、第２の巻取部８の全高Ｈ２、円筒形状部９の高さｈ１、円錐台形状部１０の高さｈ２、円錐台形状部１０の階層数、円錐台形状部分割率、第２の巻取部８に巻き取られたヤーン３の糸長Ｌ２を変量して、実施例１〜７及び比較例１〜３のヤーンパッケージ１を製造した。At this time, the total height H1 of the first winding unit 7 is 218 mm, the upper-end direction winding pitch of the first winding unit 7 and the second winding unit 8 is 0.9 mm, and the first winding unit 7 And the upper-end winding pitch in the second winding unit 8 is 2.5 mm, the yarn length L 1 of the yarn 3 wound on the first winding unit 7, and the overall height H of the second winding unit 8. 2 , the height h 1 of the cylindrical portion 9, the height h 2 of the truncated cone portion 10, the number of layers of the truncated cone portion 10, the division ratio of the truncated cone portion, and the second winding portion 8 It was to variate the yarn length L 2 of the yarn 3 was produced yarn package 1 of examples 1 to 7 and Comparative examples 1 to 3.
次に、実施例１〜７及び比較例１〜３のヤーンパッケージ１について、ボビン表面被覆率、第１の巻取部７の全高Ｈ１に対する第２の巻取部８の全高Ｈ２の割合（Ｈ２／Ｈ１）、ヤーン３の全糸長（Ｌ１＋Ｌ２）に対する第１の巻取部７に巻き取られたヤーン３の糸長Ｌ１の割合（Ｌ１／（Ｌ１＋Ｌ２））を求めた。Next, the yarn package 1 of Examples 1 to 7 and Comparative Examples 1 to 3, the bobbin surface coverage proportion of the total height of H 2 second winding section 8 for the total height H 1 of the first winding part 7 (H 2 / H 1 ), the ratio of the yarn length L 1 of the yarn 3 wound around the first winding section 7 to the total yarn length (L 1 + L 2 ) of the yarn 3 (L 1 / (L 1 + L) 2 )) was determined.
次に、実施例１〜７及び比較例１〜３のヤーンパッケージ１について、糸口無し発生防止性能、織物毛羽発生防止性能、巻崩れ発生防止性能、解舒性を評価した。 Next, with respect to the yarn packages 1 of Examples 1 to 7 and Comparative Examples 1 to 3, the performance of preventing the occurrence of no splinters, the performance of preventing the generation of nap of the woven fabric, the performance of preventing the occurrence of unwinding, and the unwinding property were evaluated.
前記糸口無し発生防止性能は、１０００本のヤーンパッケージ１について第２の巻取部８の終端からヤーン３を解舒した際に、ヤーンパッケージ１中の糸長（Ｌ１＋Ｌ２）のうち、第1の巻取部７の始端から２０００ｍの地点まで解舒するまでに糸口無しが発生する割合が０．３％以下の場合を「◎」（良）、０．３％を超え１．０％以下の場合を「○」（可）、１．０％を超える場合を「×」（不可）として評価した。When the yarn 3 is unwound from the end of the second winding section 8 for 1000 yarn packages 1 when the yarn 3 is unwound from the yarn length (L 1 + L 2 ) in the yarn package 1, "A" (good), when the rate of occurrence of no clasp before unwinding up to a point 2000 m from the start end of the first winding section 7 is 0.3% or less, exceeds 0.3% and exceeds 1.0%. % Or less was evaluated as “○” (acceptable), and the case where it exceeded 1.0% was evaluated as “x” (impossible).
前記織物毛羽発生防止性能は、ヤーンパッケージ１からヤーン３を解舒しながら、全長１０００ｍ、幅１３００ｍｍ、織密度が経糸及び緯糸共に９５本／２５ｍｍの織物を製造した際に、織物中の毛羽発生個数が３個以下の場合を「○」（可）、３個を超える場合を「×」（不可）として評価した。 The performance of preventing the generation of fluff in the woven fabric is as follows. When the woven fabric having a total length of 1,000 m, a width of 1,300 mm, and a woven density of 95/25 mm for both warp and weft is manufactured while unwinding the yarn 3 from the yarn package 1, the fluff is generated in the woven fabric. The case where the number was 3 or less was evaluated as “○” (acceptable), and the case where the number exceeded 3 was evaluated as “x” (impossible).
前記巻崩れ発生防止性能は、１０００本のヤーンパッケージ１について、巻崩れが発生する確率が０．１％以下の場合を「◎」（良）、０．１％を超え０．３％以下の場合を「○」（可）、０．３％を超える場合を「×」（不可）として評価した。 The above-mentioned roll collapse prevention performance is evaluated as “（” (good) when the probability of roll collapse is 0.1% or less for 1,000 yarn packages 1, and more than 0.1% and 0.3% or less. The case was evaluated as “○” (acceptable), and the case exceeding 0.3% was evaluated as “x” (impossible).
前記解舒性は、１０００本のヤーンパッケージ１について、ヤーン３の解舒時に玉崩れ（ヤーン３がもつれて層となって解舒されてしまう現象）が発生する確率が０．１％以下の場合を「◎」（良）、０．１％を超える場合を「○」（可）として評価した。 The unwinding property is such that, for 1000 yarn packages 1, the probability of occurrence of ball collapse (the phenomenon that the yarn 3 is entangled and unwound as a layer) when the yarn 3 is unwound is 0.1% or less. The case was evaluated as “◎” (good), and the case exceeding 0.1% was evaluated as “○” (acceptable).
結果を表１（実施例１〜５）及び表２（実施例６〜７及び比較例１〜３）に示す。 The results are shown in Table 1 (Examples 1 to 5) and Table 2 (Examples 6 and 7 and Comparative Examples 1 to 3).
表１及び表２から、実施例１〜７のヤーンパッケージ１では、糸口無し発生防止性能、織物毛羽発生防止性能、巻崩れ発生防止性能、解舒性のいずれの性能においても優れた性能を備えていることが明らかである。実施例１〜７のヤーンパッケージ１では、第１の巻取部７の全高Ｈ１に対する第２の巻取部８の全高Ｈ２の割合（Ｈ２／Ｈ１）が９６．０〜９９．９％の範囲であり、ボビン表面被覆率が７５％以上である。From Tables 1 and 2, the yarn packages 1 of Examples 1 to 7 have excellent performance in any of the performances of preventing the occurrence of no splinters, preventing the occurrence of napping of woven fabric, preventing the occurrence of unwinding, and unwinding properties. It is clear that. In the yarn package 1 of the Examples 1-7, the ratio of total height of H 2 second winding section 8 for the total height H 1 of the first winding part 7 (H 2 / H 1) is 96.0 to 99. The range is 9%, and the bobbin surface coverage is 75% or more.
一方、ボビン表面被覆率が７５％未満の比較例１のヤーンパッケージ１では糸口無し発生防止性能が低いことが明らかである。また、第１の巻取部７の全高Ｈ１に対する第２の巻取部８の全高Ｈ２の割合（Ｈ２／Ｈ１）が９６．０％未満である比較例２のヤーンパッケージ１では織物毛羽発生防止性能が低いことが明らかである。さらに、第１の巻取部７の全高Ｈ１に対する第２の巻取部８の全高Ｈ２の割合（Ｈ２／Ｈ１）が９９．９％を超える比較例３のヤーンパッケージ１では巻崩れ発生防止性能が低いことが明らかである。On the other hand, it is clear that the yarn package 1 of Comparative Example 1 in which the bobbin surface coverage is less than 75% has a low performance of preventing occurrence of no crease. Further, in the yarn package 1 of Comparative Example 2 in which the ratio (H 2 / H 1 ) of the total height H 2 of the second winding section 8 to the total height H 1 of the first winding section 7 is less than 96.0%. It is clear that the performance of preventing the generation of fluff is low. Furthermore, in the yarn package 1 of Comparative Example 3, the ratio (H 2 / H 1 ) of the total height H 2 of the second winding section 8 to the total height H 1 of the first winding section 7 exceeds 99.9%. It is clear that the collapse prevention performance is low.
１…ヤーンパッケージ、 ２…ボビン、 ３…ヤーン、 ４…底部、 ７…第１の巻取部、 ８…第２の巻取部、 ９…円筒形状部、 １０…円錐台形状部。 DESCRIPTION OF SYMBOLS 1 ... Yarn package, 2 ... Bobbin, 3 ... Yarn, 4 ... Bottom part, 7 ... First winding part, 8 ... Second winding part, 9 ... Cylindrical shape part, 10 ... Truncated cone shape part.
Claims (4)
該ヤーンが該ボビンに接して巻き取られ円筒形状をとる第１の巻取部と、
該ヤーンが該第１の巻取部に接して巻き取られ、下部が円筒形状をとり、上部が円錐台形状をとり、始端部が該第１の巻取部の終端部に連続している第２の巻取部とを備え、
該第１の巻取部の下端の該ボビンの底部からの高さと、該第２の巻取部の下端の該ボビンの底部からの高さとが実質的に同一であり、
該第１の巻取部の全高に対する該第２の巻取部の全高の割合が９６．０〜９９．９％の範囲であり、
該第１の巻取部に巻き取られた該ヤーンの全体もしくは一部の長さ単独又は、該第１の巻取部に巻き取られた該ヤーンの全体の長さと該第２の巻取部に巻き取られた該ヤーンの全体もしくは一部の長さとの合計の長さが２０００ｍとなる際の該ボビンの表面被覆率が７５％以上であることを特徴とするヤーンパッケージ。A yarn package comprising a bobbin and a yarn wound around the bobbin,
A first winding unit in which the yarn is wound in contact with the bobbin and has a cylindrical shape;
The yarn is wound in contact with the first winding portion, the lower portion has a cylindrical shape, the upper portion has a frusto-conical shape, and a starting end portion is continuous with an end portion of the first winding portion. A second winding section,
The height of the lower end of the first winding unit from the bottom of the bobbin is substantially the same as the height of the lower end of the second winding unit from the bottom of the bobbin;
A ratio of the total height of the second winding section to the total height of the first winding section is in a range of 96.0 to 99.9%;
The length of the whole or a part of the yarn wound around the first winding portion alone or the whole length of the yarn wound around the first winding portion and the length of the second winding A yarn package, wherein the bobbin has a surface coverage of 75% or more when the total length of the whole or a part of the yarn wound around the portion is 2000 m.
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