WO2013129224A1 - Wire harness protective layer, and wire harness - Google Patents
Wire harness protective layer, and wire harness Download PDFInfo
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- WO2013129224A1 WO2013129224A1 PCT/JP2013/054301 JP2013054301W WO2013129224A1 WO 2013129224 A1 WO2013129224 A1 WO 2013129224A1 JP 2013054301 W JP2013054301 W JP 2013054301W WO 2013129224 A1 WO2013129224 A1 WO 2013129224A1
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- wire harness
- fibers
- protective material
- colored
- nonwoven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
Definitions
- the present invention relates to a wire harness protective material and a wire harness.
- the wire harness a bundle of wires made up of a plurality of wires is assembled in advance in a form necessary for wiring.
- the wire harness is formed by forming necessary branches, attaching a connector to the terminal, etc., and winding a wire harness protective material around the outer periphery of the wire bundle.
- the wire harness protective material is made of a non-woven fabric or other protective material formed into various shapes such as a groove shape or a tube shape, and is formed into a predetermined shape by covering the periphery of the wire bundle Is done.
- non-woven fabrics made from short fibers are used in a wide variety of fields such as filters, cushion materials, car seat materials, car ceiling materials, and the like.
- the present applicants have previously proposed a wire harness protective material using a nonwoven fabric (see Patent Document 1).
- the nonwoven fabric using uncolored uncolored fibers becomes a white nonwoven fabric, and a white wire harness protective material is formed.
- the white wire harness protective material is used in a portion that is directly irradiated with sunlight or the like, there is a problem that the white wire harness protective material is deteriorated by ultraviolet rays.
- the present invention is intended to solve the above-described problems of the prior art, and an object of the present invention is to provide a wire harness protective material and a wire harness that have good weather resistance even when used in a portion that is directly irradiated with sunlight.
- the wire harness protective material of the present invention is a wire harness protective material in which a nonwoven fabric is formed into a predetermined shape, and is summarized in that the nonwoven fabric has colored fibers.
- the non-woven fabric is a mixture of colorless fibers and colored fibers, and the colored fibers are blended in a proportion of 5% by mass or more.
- the colored fibers are black fibers colored in black.
- the colorless fiber is a non-colored fiber and / or a white fiber colored in white.
- the nonwoven fabric has thermoformability.
- the gist of the wire harness of the present invention is that the periphery of the wire bundle is covered with the wire harness protective material.
- the wire harness protective material of the present invention is a wire harness protective material in which a non-woven fabric is molded into a predetermined shape, and the non-woven fabric has colored fibers. Compared to the protective material, it is difficult to transmit light due to the blending of the colored fibers, so that deterioration due to ultraviolet rays can be prevented and weather resistance can be improved.
- the wire harness of this invention can obtain the wire harness excellent in weather resistance because the circumference
- FIG. 1 is an external perspective view showing an example of the wire harness of the present invention.
- FIG. 1 is an external perspective view showing an example of the wire harness of the present invention.
- the wire harness protective material 2 is formed into a predetermined shape using nonwoven fabrics 1 and 1.
- the wire bundle 4 is covered with the wire harness protective material 2.
- the wire harness protective material 2 is formed by thermoforming a non-woven fabric made of polyethylene terephthalate fiber (hereinafter sometimes referred to as PET fiber), and has the function of maintaining the shape of the wire harness 3 and protecting the wire bundle 4. Have.
- PET fiber polyethylene terephthalate fiber
- the nonwoven fabric 1 constituting the wire harness protective material 2 is a mixture of colorless fibers and colored fibers.
- the amount of the colorless fibers in the nonwoven fabric is preferably less than 95% by mass.
- the colored fiber a fiber colored other than white with a pigment or a dye is used.
- the amount of the colored fiber in the nonwoven fabric is preferably 5% by mass or more in the fibers constituting the nonwoven fabric. If the amount of the colored fiber is less than 5% by mass, the effect of improving weather resistance may be insufficient. A more preferable amount of the colored fiber is 10% by mass or more. When the amount of the colored fiber is increased, the effect of improving the weather resistance is further improved.
- black fibers are preferably used as the colored fibers.
- the colored fiber may be a color other than black.
- the colored fiber may be composed of only one color fiber, or may be composed of a mixture of a plurality of colored fibers having a different color from the colored fiber.
- the non-woven fabric blended with black fibers has good weather resistance such as a portion where the black fibers suppress ultraviolet deterioration and are directly irradiated with sunlight.
- a part around an engine can be cited as a part that requires weather resistance.
- the wire harness protective material can be suitably used for parts around the engine.
- Nonwoven fabric 1 having a basis weight of 100 to 2000 g / m 2 and a thickness of 0.5 to 30 mm is used.
- the fibers constituting the nonwoven fabric are single fibers having a fiber diameter of 1 to 40 denier and a fiber length of 30 to 120 mm.
- Examples of the fiber shape include a cylindrical type, a hollow type, a side-by-side type, and a core-sheath type. Moreover, you may use the atypical cross-section fiber from which a fiber shape differs.
- the nonwoven fabric 1 can be produced using the above-mentioned colored fiber and colorless fiber by a needle punch or a spunbond method.
- the nonwoven fabric 1 preferably has thermoformability.
- the thermoformability of a nonwoven fabric means that it has thermoplasticity that can be formed into a predetermined shape by heating. When a nonwoven fabric having thermoformability is used, the wire harness protective material can be easily formed into a predetermined shape.
- thermoplastic resin used for the fibers of the nonwoven fabric 1 examples include polyester resins such as modified polyethylene terephthalate and polylactic acid, polyethylene resins, polypropylene resins, polyamide resins such as 6-nylon and 6,6-nylon, acrylic resins, and triacetate resins. , Polytetrafluoroethylene resin, polyvinyl alcohol resin, polyvinyl chloride and the like.
- the fiber used for the nonwoven fabric 1 may be a binder fiber whose periphery is covered with a binder layer.
- the binder layer include a copolymer of polyethylene isophthalate and PET.
- the wire harness 3 is a wire harness 4 in which a plurality of wires are bundled and covered with a wire harness protective material 2.
- the wire harness protective material 2 is formed into a predetermined shape using the nonwoven fabric 1 in which the colored fiber and the colorless fiber are mixed.
- the wire harness 3 for example, a predetermined mold composed of an upper mold and a lower mold which are divided into upper and lower parts is used, and the nonwoven fabric 1 is arranged so as to face each mold and is clamped. The two nonwoven fabrics 1, 1 are heated and molded while sandwiching the wire bundle 4. At the time of molding, a portion protruding outside the wire bundle 4 of the nonwoven fabric 1, 1 is bonded.
- the wire harness of the present invention is not limited to the above form.
- the wire harness may be configured by using a single nonwoven fabric and thermoforming the wire bundle 4 around the wire bundle 4 to form the wire harness protective material 2 in a predetermined shape. Good.
- the wire harness protective material 2 may shape
- the wire harness 3 can be formed by sandwiching and joining the wire bundle 4 between the divided wire harness protective materials 2.
- the wire harness of the present invention can be suitably used as an automobile wire harness or the like.
- Comparative Example 1 A PET nonwoven fabric in which colored PET fibers and colorless PET fibers were blended in the composition shown in Table 1 was used as a test piece for the wire harness protective material. The test piece was subjected to a weather resistance test, and the tensile strength before and after the weather resistance test was measured. Moreover, the test piece before and behind a weather resistance test was observed visually, and discoloration was evaluated. The evaluation results are shown in Table 1. The test method is as follows.
- the test piece was obtained by cutting each nonwoven fabric into a size of 50 mm ⁇ 200 mm (MD direction).
- the tensile test was performed according to JIS L1913 and the above test piece was pulled at a pulling speed of 200 mm / min.
- the weather resistance test is based on Method A defined in JIS K7350-3: Artificial Weathering Cycle No. 100 exposures (1 cycle is 8 hours irradiation + 5 hours irradiation for a total of 12 hours). In the color determination, “ ⁇ ” indicates that no discoloration was observed after the weather resistance test, “ ⁇ ” indicates that the degree of discoloration is small, and “ ⁇ ” indicates that the discoloration is clearly observed.
- Example 1 As shown in Table 1, discoloration was clearly observed in Comparative Example 1 in which no black PET fiber was blended. On the other hand, Example 1 in which black PET fiber was blended had a small degree of discoloration, and Examples 2 to 5 showed no discoloration. Also, with respect to the tensile strength after the weather resistance test, Examples 2 to 5 had better values than Comparative Example 1.
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- Details Of Indoor Wiring (AREA)
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Abstract
Provided are a wire harness protective layer and a wire harness exhibiting weatherability even when used at a site that is irradiated with ultraviolet rays. A non-woven fabric (1, 1) in which colorless fibers and black fibers are mixed is used and a wire harness protective layer (2) is formed by molding the non-woven fabric (1, 1) into a predetermined shape. A wire harness (3) is configured by covering the periphery of a wire bundle (4) with the wire harness protective layer (2).
Description
本発明は、ワイヤーハーネス保護材及びワイヤーハーネスに関するものである。
The present invention relates to a wire harness protective material and a wire harness.
近年、自動車や電化製品を中心に高性能化、高機能化が進められている。自動車や電化製品等の様々なエレクトロニクス設備を正確に作動させるため、自動車や電化製品等の内部配線には、複数の電線が使用されている。一般に、これら複数の電線は、ワイヤーハーネスの形態で使用される。
In recent years, high performance and high functionality have been promoted mainly in automobiles and electrical appliances. In order to accurately operate various electronic equipment such as automobiles and electrical appliances, a plurality of electric wires are used for internal wiring of automobiles and electrical appliances. Generally, these several electric wires are used with the form of a wire harness.
ワイヤーハーネスは、複数の電線からなる電線束が予め配線に必要な形態に組み上げられている。例えばワイヤーハーネスは、必要な分岐が形成され、その端末へのコネクタ付け等が施され、ワイヤーハーネス保護材が電線束の外周に巻装されて形成されている。
In the wire harness, a bundle of wires made up of a plurality of wires is assembled in advance in a form necessary for wiring. For example, the wire harness is formed by forming necessary branches, attaching a connector to the terminal, etc., and winding a wire harness protective material around the outer periphery of the wire bundle.
上記ワイヤーハーネス保護材は、不織布等からなる保護材料が、凹溝状、チューブ状等の種々の形状に形成されているものが用いられ、電線束の周囲を被覆することで所定の形状に形成される。
The wire harness protective material is made of a non-woven fabric or other protective material formed into various shapes such as a groove shape or a tube shape, and is formed into a predetermined shape by covering the periphery of the wire bundle Is done.
一般に、短繊維を用いて作成された不織布は、例えば、フィルターやクッション材、車内シート材、車内天井材等のように、多種多様な分野で利用されている。本出願人等は、不織布を用いたワイヤーハーネス保護材を先に提案している（特許文献１参照）。
Generally, non-woven fabrics made from short fibers are used in a wide variety of fields such as filters, cushion materials, car seat materials, car ceiling materials, and the like. The present applicants have previously proposed a wire harness protective material using a nonwoven fabric (see Patent Document 1).
不織布をワイヤーハーネス保護材として使用した場合、着色されていない非着色繊維を使用した不織布は白色の不織布となり、白色のワイヤーハーネス保護材が形成される。しかし白色のワイヤーハーネス保護材は、太陽光等が直接照射される部分で使用されると、紫外線により劣化してしまうという問題があった。
When a nonwoven fabric is used as a wire harness protective material, the nonwoven fabric using uncolored uncolored fibers becomes a white nonwoven fabric, and a white wire harness protective material is formed. However, when the white wire harness protective material is used in a portion that is directly irradiated with sunlight or the like, there is a problem that the white wire harness protective material is deteriorated by ultraviolet rays.
本発明は、上記従来技術の問題点を解決しようとするものであり、太陽光が直接照射される部分で使用されても耐候性が良好なワイヤーハーネス保護材及びワイヤーハーネスを提供することを目的とする。
The present invention is intended to solve the above-described problems of the prior art, and an object of the present invention is to provide a wire harness protective material and a wire harness that have good weather resistance even when used in a portion that is directly irradiated with sunlight. And
上記課題を解決するために本発明のワイヤーハーネス保護材は、不織布が所定の形状に成形されているワイヤーハーネス保護材であって、前記不織布が有色繊維を有することを要旨とするものである。
In order to solve the above-mentioned problems, the wire harness protective material of the present invention is a wire harness protective material in which a nonwoven fabric is formed into a predetermined shape, and is summarized in that the nonwoven fabric has colored fibers.
上記ワイヤーハーネス保護材において、前記不織布が、無色繊維と有色繊維が混綿されているものであり、前記有色繊維が５質量％以上の割合で配合されていることが好ましい。
In the wire harness protective material, it is preferable that the non-woven fabric is a mixture of colorless fibers and colored fibers, and the colored fibers are blended in a proportion of 5% by mass or more.
上記ワイヤーハーネス保護材において、前記有色繊維が、黒色に着色された黒色繊維であることが好ましい。
In the wire harness protective material, it is preferable that the colored fibers are black fibers colored in black.
上記ワイヤーハーネス保護材において、前記無色繊維が、非着色繊維及び／又は白色に着色された白色繊維であることが好ましい。
In the wire harness protective material, it is preferable that the colorless fiber is a non-colored fiber and / or a white fiber colored in white.
上記ワイヤーハーネス用保護材料において、前記不織布が熱成形性を有することが好ましい。
In the protective material for wire harness, it is preferable that the nonwoven fabric has thermoformability.
本発明のワイヤーハーネスは、上記のワイヤーハーネス保護材により電線束の周囲が被覆されていることを要旨とするものである。
The gist of the wire harness of the present invention is that the periphery of the wire bundle is covered with the wire harness protective material.
本発明のワイヤーハーネス保護材は、不織布が所定の形状に成形されているワイヤーハーネス保護材であって、前記不織布が有色繊維を有するものであるから、無色繊維１００％の不織布を用いたワイヤーハーネス保護材と比較して、有色繊維の配合により光を透過し難くなっているので、紫外線による劣化を防止して耐候性を向上させることができる。
The wire harness protective material of the present invention is a wire harness protective material in which a non-woven fabric is molded into a predetermined shape, and the non-woven fabric has colored fibers. Compared to the protective material, it is difficult to transmit light due to the blending of the colored fibers, so that deterioration due to ultraviolet rays can be prevented and weather resistance can be improved.
また本発明のワイヤーハーネスは、上記のワイヤーハーネス保護材により電線束の周囲が被覆されていることにより、耐候性に優れたワイヤーハーネスが得られる。
Moreover, the wire harness of this invention can obtain the wire harness excellent in weather resistance because the circumference | surroundings of an electric wire bundle are coat | covered with said wire harness protective material.
以下、図面を用いて本発明の実施形態について詳細に説明する。図１は本発明のワイヤーハーネスの一例を示す外観斜視図である。図１に示すように、ワイヤーハーネス保護材２は不織布１、１を用いて、所定の形状に成形されている。ワイヤーハーネス３は、前記ワイヤーハーネス保護材２により電線束４の周囲が被覆されているものである。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an external perspective view showing an example of the wire harness of the present invention. As shown in FIG. 1, the wire harness protective material 2 is formed into a predetermined shape using nonwoven fabrics 1 and 1. In the wire harness 3, the wire bundle 4 is covered with the wire harness protective material 2.
ワイヤーハーネス保護材２は、ポリエチレンテレフタレート繊維（以下、ＰＥＴ繊維ということもある）からなる不織布が熱成形されたものであり、ワイヤーハーネス３の形状保持と、電線束４の保護材としての機能を有する。
The wire harness protective material 2 is formed by thermoforming a non-woven fabric made of polyethylene terephthalate fiber (hereinafter sometimes referred to as PET fiber), and has the function of maintaining the shape of the wire harness 3 and protecting the wire bundle 4. Have.
ワイヤーハーネス保護材２を構成する不織布１は、無色繊維と有色繊維が混綿されている。無色繊維は、非着色の繊維、又は白色に着色した繊維、或いは非着色の繊維と白色に着色した繊維の混合したものが用いられる。不織布における無色繊維の配合量は、９５質量％未満であるのが好ましい。
The nonwoven fabric 1 constituting the wire harness protective material 2 is a mixture of colorless fibers and colored fibers. As the colorless fibers, non-colored fibers, white-colored fibers, or a mixture of non-colored fibers and white-colored fibers are used. The amount of the colorless fibers in the nonwoven fabric is preferably less than 95% by mass.
有色繊維は、顔料や染料等で白色以外に着色した繊維が用いられる。不織布における有色繊維の配合量は、不織布を構成する繊維中の５質量％以上用いるのが好ましい。有色繊維の配合量が５質量％未満では、耐候性の向上効果が不十分となるおそれがある。更に好ましい有色繊維の配合量は１０質量％以上である。有色繊維の配合量が多くなると耐候性の向上効果も更に良好となる。
As the colored fiber, a fiber colored other than white with a pigment or a dye is used. The amount of the colored fiber in the nonwoven fabric is preferably 5% by mass or more in the fibers constituting the nonwoven fabric. If the amount of the colored fiber is less than 5% by mass, the effect of improving weather resistance may be insufficient. A more preferable amount of the colored fiber is 10% by mass or more. When the amount of the colored fiber is increased, the effect of improving the weather resistance is further improved.
有色繊維は、例えば、黒色繊維が好ましく用いられる。黒色の有色繊維と無色繊維を配合すると、灰色の不織布が得られる。また有色繊維は、黒色以外の色でもよい。有色繊維は、一色の繊維のみで構成してもよいし、前記有色繊維とは異なる色の有色繊維を複数色、混合して構成してもよい。
For example, black fibers are preferably used as the colored fibers. When black colored fibers and colorless fibers are blended, a gray nonwoven fabric is obtained. The colored fiber may be a color other than black. The colored fiber may be composed of only one color fiber, or may be composed of a mixture of a plurality of colored fibers having a different color from the colored fiber.
黒色繊維を配合した不織布は、黒色繊維が紫外線劣化を抑制し、太陽光が直接照射される部分等の耐候性が良好である。例えば、車両等に使用されるワイヤーハーネスでは、耐候性が要求される部位としては、エンジン周辺の部位等が挙げられる。ワイヤーハーネス保護材は、エンジン周辺等の部位に好適に利用可能である。
The non-woven fabric blended with black fibers has good weather resistance such as a portion where the black fibers suppress ultraviolet deterioration and are directly irradiated with sunlight. For example, in a wire harness used for a vehicle or the like, a part around an engine can be cited as a part that requires weather resistance. The wire harness protective material can be suitably used for parts around the engine.
不織布１は、目付１００～２０００ｇ／ｍ２、厚み０．５～３０ｍｍのものが用いられる。不織布を構成する繊維は、繊維径１～４０デニール、繊維長３０～１２０ｍｍの単繊維である。繊維形状は、円筒型、中空型、サイドバイサイド型、芯鞘型等が挙げられる。また繊維は繊維形状の異なる異型断面繊維を使用してもよい。
Nonwoven fabric 1 having a basis weight of 100 to 2000 g / m 2 and a thickness of 0.5 to 30 mm is used. The fibers constituting the nonwoven fabric are single fibers having a fiber diameter of 1 to 40 denier and a fiber length of 30 to 120 mm. Examples of the fiber shape include a cylindrical type, a hollow type, a side-by-side type, and a core-sheath type. Moreover, you may use the atypical cross-section fiber from which a fiber shape differs.
不織布１は、上記の有色繊維と無色繊維を用いて、ニードルパンチやスパンボンド法で作製することができる。
The nonwoven fabric 1 can be produced using the above-mentioned colored fiber and colorless fiber by a needle punch or a spunbond method.
不織布１は、熱成形性を有することが好ましい。不織布の熱成形性とは、加熱により所定の形状に成形することが可能な熱可塑性を有しているという意味である。熱成形性を有する不織布を用いると、ワイヤーハーネス保護材を容易に所定形状に形成することが可能である。
The nonwoven fabric 1 preferably has thermoformability. The thermoformability of a nonwoven fabric means that it has thermoplasticity that can be formed into a predetermined shape by heating. When a nonwoven fabric having thermoformability is used, the wire harness protective material can be easily formed into a predetermined shape.
不織布１の繊維に用いられる熱可塑性樹脂は、例えば、変性ポリエチレンテレフタレート、ポリ乳酸等のポリエステル樹脂、ポリエチレン樹脂、ポリプロピレン樹脂、６-ナイロン、６，６-ナイロン等のポリアミド樹脂、アクリル樹脂、トリアセテート樹脂、ポリテトラフルオロエチレン樹脂、ポリビニルアルコール樹脂、ポリ塩化ビニル等が挙げられる。
Examples of the thermoplastic resin used for the fibers of the nonwoven fabric 1 include polyester resins such as modified polyethylene terephthalate and polylactic acid, polyethylene resins, polypropylene resins, polyamide resins such as 6-nylon and 6,6-nylon, acrylic resins, and triacetate resins. , Polytetrafluoroethylene resin, polyvinyl alcohol resin, polyvinyl chloride and the like.
また不織布１に用いられる繊維は、周囲をバインダ層により被覆したバインダ繊維を用いてもよい。上記バインダ層としては、例えば、ポリエチレンイソフタレートとＰＥＴとの共重合体等が挙げられる。
Also, the fiber used for the nonwoven fabric 1 may be a binder fiber whose periphery is covered with a binder layer. Examples of the binder layer include a copolymer of polyethylene isophthalate and PET.
図１に示すようにワイヤーハーネス３は、複数の電線を束にした電線束４の周囲がワイヤーハーネス保護材２により被覆されているものである。ワイヤーハーネス保護材２は、上記の有色繊維と無色繊維が混綿された不織布１を用いて所定の形状に成形されたものである。
As shown in FIG. 1, the wire harness 3 is a wire harness 4 in which a plurality of wires are bundled and covered with a wire harness protective material 2. The wire harness protective material 2 is formed into a predetermined shape using the nonwoven fabric 1 in which the colored fiber and the colorless fiber are mixed.
ワイヤーハーネス３を製造するには、例えば、上下に二分割される上型と下型からなる所定の成形型を用い、各成形型に上記不織布１を対向するように配置し、型締めして２枚の前記不織布１、１が電線束４を挟んでいる状態で加熱して成形を行う。成形の際、不織布１、１の電線束４の外側に突出している部分を接着させる。
In order to manufacture the wire harness 3, for example, a predetermined mold composed of an upper mold and a lower mold which are divided into upper and lower parts is used, and the nonwoven fabric 1 is arranged so as to face each mold and is clamped. The two nonwoven fabrics 1, 1 are heated and molded while sandwiching the wire bundle 4. At the time of molding, a portion protruding outside the wire bundle 4 of the nonwoven fabric 1, 1 is bonded.
本発明のワイヤーハーネスは、上記の形態に限定されるものではない。特に図示しないが、ワイヤーハーネスは、１枚の不織布を用いて、電線束４の周囲を巻回した状態で熱成形して、ワイヤーハーネス保護材２を所定の形状に形成して構成してもよい。また、ワイヤーハーネス保護材２は、予め、不織布１を所定の凹溝状に成形して、二つの部材に分割形成しておいてもよい。この分割形成されたワイヤーハーネス保護材２の間に電線束４を挟んで接合してワイヤーハーネス３を構成することができる。
The wire harness of the present invention is not limited to the above form. Although not particularly illustrated, the wire harness may be configured by using a single nonwoven fabric and thermoforming the wire bundle 4 around the wire bundle 4 to form the wire harness protective material 2 in a predetermined shape. Good. Moreover, the wire harness protective material 2 may shape | mold the nonwoven fabric 1 in a predetermined | prescribed ditch | groove shape previously, and may be divided and formed in two members. The wire harness 3 can be formed by sandwiching and joining the wire bundle 4 between the divided wire harness protective materials 2.
本発明のワイヤーハーネスは、自動車用ワイヤーハーネス等として好適に用いることができる。
The wire harness of the present invention can be suitably used as an automobile wire harness or the like.
以下、本発明の実施例、比較例を示す。尚、本発明はこれら実施例に限定されるものではない。
Hereinafter, examples of the present invention and comparative examples will be shown. The present invention is not limited to these examples.
実施例１～５、比較例１
有色ＰＥＴ繊維と無色ＰＥＴ繊維を表１に示す組成で配合したＰＥＴ不織布をワイヤーハーネス保護材の試験片として用いた。試験片について耐候性試験を行い、耐候性試験前後の引張り強さを測定した。また耐候性試験前後の試験片を目視で観察し、変色について評価した。評価結果を表１に合わせて示す。試験方法は下記の通りである。 Examples 1 to 5, Comparative Example 1
A PET nonwoven fabric in which colored PET fibers and colorless PET fibers were blended in the composition shown in Table 1 was used as a test piece for the wire harness protective material. The test piece was subjected to a weather resistance test, and the tensile strength before and after the weather resistance test was measured. Moreover, the test piece before and behind a weather resistance test was observed visually, and discoloration was evaluated. The evaluation results are shown in Table 1. The test method is as follows.
有色ＰＥＴ繊維と無色ＰＥＴ繊維を表１に示す組成で配合したＰＥＴ不織布をワイヤーハーネス保護材の試験片として用いた。試験片について耐候性試験を行い、耐候性試験前後の引張り強さを測定した。また耐候性試験前後の試験片を目視で観察し、変色について評価した。評価結果を表１に合わせて示す。試験方法は下記の通りである。 Examples 1 to 5, Comparative Example 1
A PET nonwoven fabric in which colored PET fibers and colorless PET fibers were blended in the composition shown in Table 1 was used as a test piece for the wire harness protective material. The test piece was subjected to a weather resistance test, and the tensile strength before and after the weather resistance test was measured. Moreover, the test piece before and behind a weather resistance test was observed visually, and discoloration was evaluated. The evaluation results are shown in Table 1. The test method is as follows.
試験片は、各不織布を５０ｍｍ×２００ｍｍ（ＭＤ方向）の大きさに切断したものを用いた。引張試験は、ＪＩＳ Ｌ１９１３に準拠し、上記の試験片を引張り速度２００ｍｍ／分で実施した。耐候性試験は、ＪＩＳ Ｋ７３５０－３に規定されるＡ法で：人工ウエザリングのサイクルＮｏ．１にて１００サイクル（１サイクルは８時間照射＋５時間照射の合計１２時間）暴露した。色判定は、耐候性試験後に変色が認められないものを『○』とし、変色の度合いが小さいものは『△』、変色が明らかに観察されるものは『×』と判定した。
The test piece was obtained by cutting each nonwoven fabric into a size of 50 mm × 200 mm (MD direction). The tensile test was performed according to JIS L1913 and the above test piece was pulled at a pulling speed of 200 mm / min. The weather resistance test is based on Method A defined in JIS K7350-3: Artificial Weathering Cycle No. 100 exposures (1 cycle is 8 hours irradiation + 5 hours irradiation for a total of 12 hours). In the color determination, “◯” indicates that no discoloration was observed after the weather resistance test, “Δ” indicates that the degree of discoloration is small, and “×” indicates that the discoloration is clearly observed.
表１に示すように、黒色ＰＥＴ繊維の配合されていない比較例１は変色が明らかに観察された。これに対し黒色ＰＥＴ繊維が配合されている実施例１は変色の度合いが小さいものであり、実施例２～５は変色が認められなかった。また耐候性試験後の引張強さに関しても、実施例２～５は比較例１と比較して良好な値が得られた
As shown in Table 1, discoloration was clearly observed in Comparative Example 1 in which no black PET fiber was blended. On the other hand, Example 1 in which black PET fiber was blended had a small degree of discoloration, and Examples 2 to 5 showed no discoloration. Also, with respect to the tensile strength after the weather resistance test, Examples 2 to 5 had better values than Comparative Example 1.
以上、本発明の実施例について詳細に説明したが、本発明は、上記実施例に何ら限定されるものではなく、本発明の趣旨を逸脱しない範囲において、種々の改変が可能である。
The embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.
Claims (6)
- 不織布が所定の形状に成形されているワイヤーハーネス保護材であって、前記不織布が有色繊維を有することを特徴とするワイヤーハーネス保護材。 A wire harness protection material in which a nonwoven fabric is formed into a predetermined shape, wherein the nonwoven fabric has colored fibers.
- 前記不織布が、無色繊維と有色繊維が混綿されているものであり、前記有色繊維が５質量％以上の割合で配合されていることを特徴とする請求項１記載のワイヤーハーネス保護材。 The wire harness protective material according to claim 1, wherein the nonwoven fabric is a mixture of colorless fibers and colored fibers, and the colored fibers are blended in a proportion of 5% by mass or more.
- 前記有色繊維が、黒色に着色された黒色繊維であることを特徴とする請求項１又は２記載のワイヤーハーネス保護材。 The wire harness protective material according to claim 1 or 2, wherein the colored fibers are black fibers colored in black.
- 前記無色繊維が、非着色繊維及び／又は白色に着色された白色繊維であることを特徴とする請求項２記載のワイヤーハーネス保護材。 The wire harness protective material according to claim 2, wherein the colorless fibers are non-colored fibers and / or white fibers colored in white.
- 前記不織布が熱成形性を有することを特徴とする請求項１～４のいずれか１項に記載のワイヤーハーネス保護材。 The wire harness protective material according to any one of claims 1 to 4, wherein the nonwoven fabric has thermoformability.
- 請求項１～５のいずれか１項に記載のワイヤーハーネス保護材により電線束の周囲が被覆されていることを特徴とするワイヤーハーネス。 A wire harness characterized in that the wire bundle is covered with the wire harness protective material according to any one of claims 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012039588A JP2013173464A (en) | 2012-02-27 | 2012-02-27 | Wiring harness protection material and wiring harness |
| JP2012-039588 | 2012-02-27 |
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|---|---|
| WO2013129224A1 true WO2013129224A1 (en) | 2013-09-06 |
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| PCT/JP2013/054301 WO2013129224A1 (en) | 2012-02-27 | 2013-02-21 | Wire harness protective layer, and wire harness |
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| WO (1) | WO2013129224A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009503211A (en) * | 2005-08-05 | 2009-01-29 | テーザ・アクチエンゲゼルシャフト | Use of adhesive tape having a nonwoven support that is at least partially coated on one side with a pressure sensitive adhesive |
| JP3166607U (en) * | 2010-12-28 | 2011-03-10 | 帝人ファイバー株式会社 | Coating material |
| JP2011519989A (en) * | 2008-04-30 | 2011-07-14 | テーザ・ソシエタス・ヨーロピア | Adhesive tape |
-
2012
- 2012-02-27 JP JP2012039588A patent/JP2013173464A/en active Pending
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2013
- 2013-02-21 WO PCT/JP2013/054301 patent/WO2013129224A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009503211A (en) * | 2005-08-05 | 2009-01-29 | テーザ・アクチエンゲゼルシャフト | Use of adhesive tape having a nonwoven support that is at least partially coated on one side with a pressure sensitive adhesive |
| JP2011519989A (en) * | 2008-04-30 | 2011-07-14 | テーザ・ソシエタス・ヨーロピア | Adhesive tape |
| JP3166607U (en) * | 2010-12-28 | 2011-03-10 | 帝人ファイバー株式会社 | Coating material |
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