JP2024003809A - Laminate member and method for producing laminate member - Google Patents

Laminate member and method for producing laminate member Download PDF

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JP2024003809A
JP2024003809A JP2022103091A JP2022103091A JP2024003809A JP 2024003809 A JP2024003809 A JP 2024003809A JP 2022103091 A JP2022103091 A JP 2022103091A JP 2022103091 A JP2022103091 A JP 2022103091A JP 2024003809 A JP2024003809 A JP 2024003809A
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laminated
rubber foam
paint
rubber
laminate
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洋平 若松
Yohei Wakamatsu
康之 川西
Yasuyuki Kawanishi
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Inoac Corp
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Inoac Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a laminate member and a method for producing a laminate member, which enable both anti-slippage and color addition to be achieved without causing cost increase.
SOLUTION: A laminate member 20/120 includes a plate-like rubber foam member 21/121, and a surface member 22/122 formed of a coating 12a so as to cover a surface (upper surface) of the rubber foam member 21/121 and shaped into a prescribed shape on the surface (upper surface) side.
SELECTED DRAWING: Figure 1B
COPYRIGHT: (C)2024,JPO&INPIT

Description

特許法第３０条第２項適用申請有り 販売日 令和４年４月２５日 販売した場所 株式会社甲南Patent Act Article 30, Paragraph 2 application filed Date of sale: April 25, 2020 Place of sale: Konan Co., Ltd.

本発明は、積層部材及び積層部材の製造方法に関するものである。 The present invention relates to a laminated member and a method for manufacturing the laminated member.

積層部材として、特許文献１には、基板１上に前縁滑り止め３およびエンボス突起２を設けたゴム板状から形成された消音マットが開示されている。
また、他の積層部材として、特許文献２には、マット全体又はその裏面層を柔軟性を有する合成樹脂や合成ゴム又は天然ゴムなどの高分子材料で形成すると共に、その下面に吸盤部を成形した吸盤部付きマットが開示されている。 As a laminated member, Patent Document 1 discloses a sound deadening mat formed from a rubber plate shape having a front edge anti-slip 3 and embossed protrusions 2 on a substrate 1.
In addition, as another laminated member, Patent Document 2 discloses that the entire mat or its back layer is formed of a flexible polymeric material such as synthetic resin, synthetic rubber, or natural rubber, and a suction cup portion is formed on the lower surface of the mat. A mat with a suction cup portion is disclosed.

実開昭５６－１８７８２号公報Utility Model Publication No. 56-18782 特開平１１－２１６０６０号公報Japanese Patent Application Publication No. 11-216060

上述した特許文献１及び特許文献２に開示されている積層部材においては、エンボス突起２及び吸盤部により滑り止め効果を有するものの、意匠性を向上させるため色彩を付加することが要請されている。この要請に対して、マットの素材そのものに着色することが考えられるが、コスト高となる恐れがあった。 Although the laminated members disclosed in Patent Document 1 and Patent Document 2 described above have an anti-slip effect due to the embossed protrusions 2 and the suction cup portions, it is required to add color to improve the design. In response to this request, it has been considered to color the mat material itself, but there was a risk that the cost would be high.

本発明は、上述した問題を解消するためになされたもので、コスト高を招くことなく、滑り止めと色彩の付加とを両立することができる積層部材及び積層部材の製造方法を提供することを目的とする。 The present invention has been made in order to solve the above-mentioned problems, and aims to provide a laminated member and a method for manufacturing the laminated member that can achieve both anti-slip properties and addition of color without increasing costs. purpose.

上記の課題を解決するため、本発明に係る積層部材は、板状のゴム発泡部材と、前記ゴム発泡部材の表面を覆うように塗料で形成され、かつ表面側が所定形状に成形された表面部材と、を備えたことを特徴とする。 In order to solve the above problems, the laminated member according to the present invention includes a plate-shaped rubber foam member, and a surface member formed with paint so as to cover the surface of the rubber foam member, and whose front side is molded into a predetermined shape. It is characterized by having the following.

この発明に係る積層部材によれば、ゴム発泡部材の表面に、表面側に所定形状を成形できる表面部材を設けるので、積層部材に滑り止め機能を設定することが可能となる。さらに、表面部材は塗料で形成されるので、比較的低コストにて積層部材に色彩を付加することが可能となる。このように、コスト高を招くことなく、滑り止めと色彩の付加とを両立することができる積層部材を提供することが可能となる。 According to the laminated member according to the present invention, since the surface member that can be molded into a predetermined shape is provided on the surface of the rubber foam member, it is possible to provide the laminated member with an anti-slip function. Furthermore, since the surface member is formed of paint, it is possible to add color to the laminated member at a relatively low cost. In this way, it is possible to provide a laminated member that can provide both anti-slip properties and the addition of color without increasing costs.

また、本発明による積層部材においては、前記ゴム発泡部材の表面は切断面であることが好ましい。これによれば、塗料を切断面に積層するので、ゴム発泡部材の表面に確実に表面部材を形成（積層）することが可能となる。よって、表面部材すなわち積層部材の表面部の摩耗性、撥水性を向上させることが可能となる。 Moreover, in the laminated member according to the present invention, it is preferable that the surface of the rubber foam member is a cut surface. According to this, since the paint is laminated on the cut surface, it becomes possible to reliably form (laminate) the surface member on the surface of the rubber foam member. Therefore, it is possible to improve the abrasion resistance and water repellency of the surface member, that is, the surface portion of the laminated member.

また、本発明に係る積層部材の製造方法は、上述した積層部材の製造方法であって、前記ゴム発泡部材の表面に、塗料で形成された表面部材が積層された積層体を、所定形状に成形する圧縮工程を有することを特徴とする。
この発明に係る積層部材の製造方法によれば、圧縮工程において、積層体の表面部材の表面側に所定形状を成形できるので、積層部材に滑り止め機能を設定することが可能となる。さらに、表面部材は塗料で形成されるので、比較的低コストにて積層部材に色彩を付加することが可能となる。このように、コスト高を招くことなく、滑り止めと色彩の付加とを両立することができる積層部材の製造方法を提供することが可能となる。 Further, the method for manufacturing a laminated member according to the present invention is the method for manufacturing a laminated member described above, in which a laminated body in which a surface member formed of paint is laminated on the surface of the rubber foam member is shaped into a predetermined shape. It is characterized by having a compression step of molding.
According to the method for manufacturing a laminated member according to the present invention, a predetermined shape can be formed on the surface side of the surface member of the laminated body in the compression step, so that it is possible to provide the laminated member with an anti-slip function. Furthermore, since the surface member is formed of paint, it is possible to add color to the laminated member at a relatively low cost. In this way, it is possible to provide a method for manufacturing a laminated member that can provide both anti-slip properties and addition of color without increasing costs.

また、本発明による積層部材の製造方法においては、前記ゴム発泡部材を成形する成形工程と、前記成形工程にて成形された前記ゴム発泡部材を切断する切断工程と、前記切断工程にて切断された前記ゴム発泡部材の切断面に前記塗料で形成された表面部材を積層して前記積層体を形成する積層工程と、をさらに有することが好ましい。これによれば、積層工程において、塗料をゴム発泡部材の切断面に積層することにより積層体ひいては積層部材を製造するので、ゴム発泡部材の表面に確実に表面部材を形成（積層）することが可能となる。よって、表面部材すなわち積層部材の表面部の摩耗性、撥水性を向上させることが可能となる。 Further, in the method for manufacturing a laminated member according to the present invention, there is provided a molding step of molding the rubber foam member, a cutting step of cutting the rubber foam member molded in the molding step, and a step of cutting the rubber foam member molded in the molding step. It is preferable to further include a laminating step of laminating a surface member formed of the paint on the cut surface of the rubber foam member to form the laminated body. According to this, in the lamination process, the paint is laminated on the cut surface of the rubber foam member to produce a laminate and thus a laminate member, so it is possible to reliably form (laminate) the surface member on the surface of the rubber foam member. It becomes possible. Therefore, it is possible to improve the abrasion resistance and water repellency of the surface member, that is, the surface portion of the laminated member.

この発明によれば、コスト高を招くことなく、滑り止めと色彩の付加とを両立することができる積層部材及び積層部材の製造方法を提供することが可能となる。 According to the present invention, it is possible to provide a laminated member and a method for manufacturing the laminated member that can achieve both anti-slip properties and addition of color without increasing costs.

本発明による積層部材２０の一実施形態の一部分を示す平面図である。FIG. 2 is a plan view showing a portion of an embodiment of a laminated member 20 according to the present invention. 図１の積層部材２０を示す１Ｂ－１Ｂ線に沿った端面図である。2 is an end view taken along line 1B-1B showing the laminated member 20 of FIG. 1. FIG. 本発明による積層部材２０の製造方法の一実施形態を示す断面図である。1 is a cross-sectional view showing an embodiment of a method for manufacturing a laminated member 20 according to the present invention. 本発明による積層部材２０の製造方法の一実施形態を示す断面図である。1 is a cross-sectional view showing an embodiment of a method for manufacturing a laminated member 20 according to the present invention. 第１変形例による積層部材１２０を示す断面図である。It is a sectional view showing a laminated member 120 according to a first modification.

以下、本発明による積層部材２０及びその製造方法の一実施形態について図面を参照して説明する。ただし、本発明は、この実施形態に限定されるものではなく、当業者の知識に基づいて種々の変更、改良を施した種々の態様で実施することができる。 EMBODIMENT OF THE INVENTION Hereinafter, one embodiment of the laminated member 20 and its manufacturing method by this invention is described with reference to drawings. However, the present invention is not limited to this embodiment, and can be implemented in various forms with various changes and improvements based on the knowledge of those skilled in the art.

（積層部材）
図１Ａ，１Ｂに示すように、積層部材２０は、ゴム発泡部材２１及び表面部材２２を備えている。ゴム発泡部材２１は、発泡ゴムで板状に形成されている。発泡ゴムは、ゴム材を発泡させて形成されている。ゴム材としては、天然ゴム、若しくは、エチレンプロピレンジエンゴム（ＥＰＤＭ）、スチレンブタジエンゴム（ＳＢＲ）、クロロプレンゴム（ＣＲ）、ニトリルゴム（ＮＢＲ）、ブタジエンゴム（ＢＲ）、ブチルゴム（イソプチレン・イソプレンゴム）（ＩＩＲ）、シリコーンゴム、フッ素ゴムなどの合成ゴムが採用されるのが好ましい。尚、ゴム発泡部材２１の厚みは、５ｍｍ～３０ｍｍに設定されるのが好ましい。 (Laminated member)
As shown in FIGS. 1A and 1B, the laminated member 20 includes a rubber foam member 21 and a surface member 22. The rubber foam member 21 is formed of foam rubber into a plate shape. Foamed rubber is formed by foaming a rubber material. Rubber materials include natural rubber, ethylene propylene diene rubber (EPDM), styrene butadiene rubber (SBR), chloroprene rubber (CR), nitrile rubber (NBR), butadiene rubber (BR), butyl rubber (isoptylene/isoprene rubber). (IIR), silicone rubber, fluororubber, and other synthetic rubbers are preferably used. Note that the thickness of the rubber foam member 21 is preferably set to 5 mm to 30 mm.

尚、上述した積層部材２０においては、ゴム発泡部材２１に代えてゴム発泡部材以外の発泡部材を備えるようにしてもよい。この場合、積層部材は、発泡部材及び表面部材２２を備えればよい。発泡部材としては、合成樹脂フォーム（合成樹脂発泡体）が挙げられる。合成樹脂フォームとしては、軟質ポリウレタンフォーム、硬質ポリウレタンフォーム、ポリスチレンフォーム、ポリエチレンフォーム、ポリプロピレンフォーム、ＥＶＡ架橋発泡体、ＰＥＴ樹脂発泡体、フェノールフォーム、シリコーンフォーム、ポリ塩化ビニルフォーム、ユリアフォーム、アクリルフォーム、ポリイミドフォーム、ＥＰＤＭフォームなどが採用可能である。 Note that in the laminated member 20 described above, the rubber foam member 21 may be replaced with a foam member other than the rubber foam member. In this case, the laminated member may include the foamed member and the surface member 22. Examples of the foamed member include synthetic resin foam (synthetic resin foam). Examples of synthetic resin foams include flexible polyurethane foam, rigid polyurethane foam, polystyrene foam, polyethylene foam, polypropylene foam, EVA crosslinked foam, PET resin foam, phenol foam, silicone foam, polyvinyl chloride foam, urea foam, acrylic foam, Polyimide foam, EPDM foam, etc. can be used.

表面部材２２は、ゴム発泡部材２１の表面を覆うように塗料で形成されている。表面部材２２は、塗料でシート状、薄膜状に形成されている。シート状、薄膜状に形成された表面部材２２の表面側は、圧縮工程（後述する）にて所定形状に成形可能である。尚、表面部材２２の厚みは、２０μｍ～２００μｍに設定されるのが好ましい。 The surface member 22 is made of paint so as to cover the surface of the rubber foam member 21. The surface member 22 is formed of paint in the form of a sheet or a thin film. The surface side of the surface member 22 formed in the form of a sheet or a thin film can be molded into a predetermined shape in a compression process (described later). Note that the thickness of the surface member 22 is preferably set to 20 μm to 200 μm.

塗料は、流動体物質を物体（対象物）の表面に塗り広げて層をつくり、のちに固化して物体の表面の保護、着色などのために用いられるものである。換言すると、塗料は、一般に液状で、溶剤の揮発・乾燥によって固化・密着し、表面に塗膜を形成して、対象物の美観を整え、保護するものである。 Paint is a material that spreads a fluid substance on the surface of an object (object) to create a layer, which is then solidified and is used to protect or color the surface of the object. In other words, paint is generally liquid and solidifies and adheres to the object by volatilization and drying of the solvent, forming a coating film on the surface to improve the appearance and protect the object.

塗料の主成分は、塗膜形成成分、希釈剤（溶剤）、添加剤、及び顔料（染料も含む。）である。塗膜形成成分としては、乾性油、樹脂、セルロースなどが用いられる。樹脂としては、アルキド樹脂、不飽和ポリエステル樹脂、メラミン樹脂・尿素樹脂（アミノ樹脂）、フェノール樹脂、エポキシ樹脂、塩化ビニル樹脂、アクリル樹脂、アクリルウレタン樹脂、ウレタン樹脂、シリコーン樹脂、アクリルシリコーン樹脂、フッ素樹脂などが用いられる。 The main components of paints are film-forming components, diluents (solvents), additives, and pigments (including dyes). As the coating film forming component, drying oil, resin, cellulose, etc. are used. Resins include alkyd resins, unsaturated polyester resins, melamine resins/urea resins (amino resins), phenolic resins, epoxy resins, vinyl chloride resins, acrylic resins, acrylic urethane resins, urethane resins, silicone resins, acrylic silicone resins, and fluorine resins. Resin etc. are used.

添加剤は、レベリング剤（リターダー）、スリップ剤、可塑剤、増粘剤、乳化剤、乾燥剤、消泡剤などが用いられる。希釈剤（溶剤）は、流動性を調整するためのものであり、水、有機溶剤（エタノール、ベンゼン、アセトン、クロロホルムなど）などである。顔料は、着色に用いる粉末で水や油に不溶のものであり、染料は、水などの溶媒に溶解させて着色に用いる有色の物質である。尚、顔料または染料を所望の色に選定することにより、塗料を所望の色彩にて着色することができ、ひいては、表面部材２２を所望の色彩にて着色することができる。 As additives, a leveling agent (retarder), a slip agent, a plasticizer, a thickener, an emulsifier, a desiccant, an antifoaming agent, etc. are used. The diluent (solvent) is used to adjust fluidity, and includes water, organic solvents (ethanol, benzene, acetone, chloroform, etc.), and the like. Pigments are powders used for coloring that are insoluble in water or oil, and dyes are colored substances that are dissolved in a solvent such as water and used for coloring. Note that by selecting a desired color of the pigment or dye, the paint can be colored in a desired color, and in turn, the surface member 22 can be colored in a desired color.

尚、上述した表面部材２２は、塗料で形成したが、これに限定されず、顔料を含んだ溶液を物体（対象物）の表面に塗布し、溶剤の揮発・乾燥によって固化・密着し、表面に被膜を形成して、対象物の表面を保護したり着色したりする、他の液状物質（すなわち被膜形成用溶液）で形成するようにしてもよい。塗料は、被膜形成用溶液と称してもよい。 The surface member 22 described above is formed of paint, but is not limited to this. A solution containing a pigment is applied to the surface of an object (object), solidified and adhered by volatilization and drying of the solvent, and the surface member 22 is formed of paint. The coating may be formed using another liquid substance (ie, a coating forming solution) that protects or colors the surface of the object. The paint may also be referred to as a coating solution.

また、塗料は、塗料の塗布対象に応じて選定されるのが好ましい。本実施形態では、塗布対象がゴム発泡部材２１であるので、素材のゴムを溶解しない水性塗料が使用されるのが好ましい。 Moreover, it is preferable that the paint is selected depending on the object to which the paint is applied. In this embodiment, since the rubber foam member 21 is to be coated, it is preferable to use a water-based paint that does not dissolve the rubber material.

さらに、表面部材２２の表面側が所定形状に成形されている。所定形状は、滑り止め機能を発揮する凹凸形状であるのが好ましい。所定形状としては、網目（平織金網の網目）状模様、シボ模様、格子状に配置された凸部（または凹部）を有する模様などがある。本実施形態では、網目状模様の凹凸形状が成形されている。 Furthermore, the surface side of the surface member 22 is formed into a predetermined shape. Preferably, the predetermined shape is an uneven shape that exhibits an anti-slip function. Examples of the predetermined shape include a mesh pattern (mesh of plain woven wire mesh), a grain pattern, a pattern having convex portions (or concave portions) arranged in a lattice pattern, and the like. In this embodiment, an uneven shape having a mesh pattern is formed.

表面部材２２の所定形状は、所定形状（例えば正方形の板状）のゴム発泡部材１１ａの表面に塗料を塗布して乾燥した後に、後述する圧縮工程にて熱プレス加工により成形される。このとき、表面側をプレスする型（上型）の内壁面に網目状模様が形成されており、この内壁面の網目状模様によって、表面部材２２の表面側に網目状模様の凹凸形状が成形される。 The predetermined shape of the surface member 22 is formed by applying a paint to the surface of the rubber foam member 11a having a predetermined shape (for example, a square plate shape), drying it, and then performing hot press processing in a compression process to be described later. At this time, a mesh pattern is formed on the inner wall surface of the mold (upper mold) that presses the surface side, and the mesh pattern on the inner wall surface forms the uneven shape of the mesh pattern on the surface side of the surface member 22. be done.

本実施形態では、表面部材２２には、複数の凹部２２ａが形成されている。凹部２２ａは、前後方向（第１方向）に沿って細長い溝２２ａ１、及び、前後方向に直交する左右方向（第２方向）に沿って細長い溝２２ａ２を有している。溝２２ａ１及び溝２２ａ２は、長さ（長手方向）及び幅（短手方向）は同一に設定されている。溝２２ａ１及び溝２２ａ２は、前後方向及び左右方向にて所定距離をおいて配置されている。また、表面部材２２の断面は、略波形状に形成されていると称することもできる。断面波形状は、所定の形状が繰り返し形成されたものであり、例えば非正弦波である矩形波状、三角波状、のこぎり波状や、正弦波状などがある。 In this embodiment, the surface member 22 has a plurality of recesses 22a formed therein. The recess 22a has an elongated groove 22a1 along the front-rear direction (first direction) and an elongated groove 22a2 along the left-right direction (second direction) orthogonal to the front-rear direction. The groove 22a1 and the groove 22a2 are set to have the same length (longitudinal direction) and width (width direction). The groove 22a1 and the groove 22a2 are arranged at a predetermined distance in the front-rear direction and the left-right direction. Moreover, the cross section of the surface member 22 can also be said to be formed in a substantially wave shape. The cross-sectional wave shape is formed by repeatedly forming a predetermined shape, and includes, for example, a non-sinusoidal rectangular wave shape, a triangular wave shape, a sawtooth wave shape, and a sine wave shape.

また、ゴム発泡部材２１の表面側には、凹部２２ａにそれぞれ対応した複数の凹部２１ａが形成されている。凹部２１ａは、凹部２２ａと同様に、溝２２ａ１に対応した細長い溝２１ａ１、及び、溝２２ａ２に対応した細長い溝２１ａ２を有している。 Further, on the surface side of the rubber foam member 21, a plurality of recesses 21a are formed, each corresponding to the recess 22a. Like the recess 22a, the recess 21a has an elongated groove 21a1 corresponding to the groove 22a1 and an elongated groove 21a2 corresponding to the groove 22a2.

尚、ゴム発泡部材１１の表面は切断面であることが好ましい。成形用金型に直接接触していたゴム発泡部材１１の表面（皮面）に塗料を塗布した場合、熱プレス加工すると表面側に反りが発生する不具合が生じる可能性がある。これに対して、ゴム発泡部材１１の切断面に塗料を塗布した場合、熱プレス加工しても表面側に発生する反りを抑制することができる。 Note that the surface of the rubber foam member 11 is preferably a cut surface. If a paint is applied to the surface (skin surface) of the rubber foam member 11 that was in direct contact with the molding die, there is a possibility that the surface side will warp during hot press processing. On the other hand, when a paint is applied to the cut surface of the rubber foam member 11, it is possible to suppress the warping that occurs on the surface side even when hot press processing is performed.

（積層部材の製造方法（製造工程））
次に、上述した積層部材２０の製造方法（製造工程）について、図２Ａ，２Ｂを参照して説明する。積層部材２０の製造方法は、成形工程Ｓ１、切断工程Ｓ３、塗布（積層）工程Ｓ５、及び圧縮工程Ｓ７を有している。 (Manufacturing method for laminated members (manufacturing process))
Next, a method (manufacturing process) of the above-described laminated member 20 will be described with reference to FIGS. 2A and 2B. The method for manufacturing the laminated member 20 includes a molding step S1, a cutting step S3, a coating (lamination) step S5, and a compression step S7.

（成形工程・切断工程）
成形工程Ｓ１は、ゴム発泡部材原料を成形用金型内に投入して、ゴム発泡部材１１を成形する。このとき、ゴム発泡部材１１は、例えば、板状、ブロック状に成形される。切断工程Ｓ３は、成形工程Ｓ１にて成形されたゴム発泡部材１１を切断する。切断工程Ｓ３においては、ゴム発泡部材１１は、切断装置（図示省略）によって所定サイズに切断される。切断後のゴム発泡部材の符号は１１ａである。 (Forming process/cutting process)
In the molding step S1, the rubber foam member raw material is put into a mold for molding, and the rubber foam member 11 is molded. At this time, the rubber foam member 11 is formed into, for example, a plate shape or a block shape. In the cutting step S3, the rubber foam member 11 molded in the molding step S1 is cut. In the cutting step S3, the rubber foam member 11 is cut into a predetermined size by a cutting device (not shown). The reference numeral of the rubber foam member after cutting is 11a.

（塗布（積層）工程）
塗布（積層）工程Ｓ５は、成形工程Ｓ１にて成形されたゴム発泡部材１１（または切断工程Ｓ３にて切断されたゴム発泡部材１１ａ）の表面に表面部材１２を積層する。積層工程Ｓ５においては、切断工程Ｓ３にて切断されたゴム発泡部材１１ａ（または成形工程Ｓ１にて成形されたゴム発泡部材１１）の表面に塗料で形成された表面部材１２を積層して積層体１５を形成する。積層工程Ｓ５においては、切断工程Ｓ３にて切断されたゴム発泡部材１１ａの切断面に塗料で形成された表面部材を積層して積層体１５を形成するのが好ましい。 (Coating (lamination) process)
In the coating (lamination) step S5, the surface member 12 is laminated on the surface of the rubber foam member 11 molded in the molding step S1 (or the rubber foam member 11a cut in the cutting step S3). In the lamination step S5, a surface member 12 made of paint is laminated on the surface of the rubber foam member 11a cut in the cutting step S3 (or the rubber foam member 11 molded in the molding step S1) to form a laminate. form 15. In the lamination step S5, it is preferable to form the laminate 15 by laminating a surface member made of paint on the cut surface of the rubber foam member 11a cut in the cutting step S3.

塗布（積層）工程Ｓ５においては、塗布対象であるゴム発泡部材１１ａの表面に塗布装置３１によって塗料１２ａ（被膜形成用溶液）が塗布される。塗布装置３１は、塗料を噴射（噴出）するタイプ（スプレー塗布）の装置である。尚、塗布装置３１としては、ローラーを使用して塗料を塗るロールコーティングタイプの装置を採用してもよい。いずれのタイプの塗布装置においても、塗料の膜厚を制御可能なものが好ましい。塗布工程Ｓ５において、塗布量は、２００～６００ｇ／ｍ２であることが好ましく、３００～５００ｇ／ｍ２であることがより好ましい。これにより、乾燥後の表面部材１２の膜厚は、３０μｍ～１００μｍに設定することが可能となる。 In the coating (lamination) step S5, the coating device 31 coats the coating material 12a (film-forming solution) on the surface of the rubber foam member 11a to be coated. The coating device 31 is a type of device that injects (sprays) paint (spray coating). Note that the coating device 31 may be a roll coating type device that applies the paint using a roller. In any type of coating device, one that can control the coating film thickness is preferable. In the coating step S5, the coating amount is preferably 200 to 600 g/m 2 , more preferably 300 to 500 g/m 2 . Thereby, the film thickness of the surface member 12 after drying can be set to 30 μm to 100 μm.

塗布（積層）工程Ｓ５においては、塗料を塗布した後、乾燥させるのが好ましい。乾燥させることにより、塗料１２ａが硬化し、表面部材１２がゴム発泡部材１１ａの上面（表面）に積層される。すなわち、表面部材１２がゴム発泡部材１１ａの上面に接着される。 In the coating (lamination) step S5, it is preferable to dry the coating material after coating it. By drying, the paint 12a is cured, and the surface member 12 is laminated on the upper surface (surface) of the rubber foam member 11a. That is, the surface member 12 is adhered to the upper surface of the rubber foam member 11a.

（圧縮工程）
圧縮工程Ｓ７は、積層工程Ｓ５にて積層された積層体１５を、所定条件にて圧縮することにより表面部材１２の表面側を所定形状に成形する。圧縮工程Ｓ７においては、ゴム発泡部材１１ａの表面に、塗料で形成された表面部材１２が積層された積層体１５を、所定形状に成形する。圧縮工程Ｓ７においては、圧縮装置４０によって積層体１５が圧縮成形される。 (compression process)
In the compression step S7, the surface side of the surface member 12 is molded into a predetermined shape by compressing the laminate 15 stacked in the lamination step S5 under predetermined conditions. In the compression step S7, a laminate 15 in which the surface member 12 made of paint is laminated on the surface of the rubber foam member 11a is formed into a predetermined shape. In the compression step S7, the laminate 15 is compression-molded by the compression device 40.

圧縮装置４０は、圧縮対象（積層体１５）を上面に載置するテーブル４１と、テーブル４１の上方にスライド可能に配置されているスライド４２と、を備えている。テーブル４１の上面には、積層体１５の下面側（すなわち表面部材１２の表面側）を上述した所定形状に成形するための所定形状成形部４１ａが形成されている。所定形状成形部４１ａは、所定形状に対応した凹凸部が形成されており、本実施形態では、所定形状成形部４１ａは、網目状模様の凹凸形状である。 The compression device 40 includes a table 41 on which the object to be compressed (laminated body 15) is placed, and a slide 42 slidably disposed above the table 41. A predetermined shape molding portion 41a is formed on the upper surface of the table 41 for molding the lower surface side of the laminate 15 (that is, the surface side of the surface member 12) into the predetermined shape described above. The predetermined shape molded portion 41a is formed with an uneven portion corresponding to a predetermined shape, and in this embodiment, the predetermined shape molded portion 41a has an uneven shape with a mesh pattern.

圧縮装置４０は、加熱装置を有することが好ましい。加熱装置は、スライド４２側またはテーブル４１側の少なくとも何れか一方に設けられている。これにより、圧縮装置４０は、積層体１５を加熱しながら圧縮することができ、すなわち積層体１５を熱プレス加工することができる。 It is preferable that the compression device 40 has a heating device. The heating device is provided on at least one of the slide 42 side and the table 41 side. Thereby, the compression device 40 can compress the laminate 15 while heating it, that is, can heat-press the laminate 15.

圧縮工程Ｓ７は、積層体１５を圧縮装置４０に導入する導入工程Ｓ７ａ、積層体１５を圧縮する圧縮工程Ｓ７ｂ、及び、圧縮成形後の積層部材２０を圧縮装置４０から取り出す導出工程Ｓ７ｃを有している。 The compression step S7 includes an introduction step S7a in which the laminate 15 is introduced into the compression device 40, a compression step S7b in which the laminate 15 is compressed, and a derivation step S7c in which the laminate member 20 after compression molding is taken out from the compression device 40. ing.

導入工程Ｓ７ａにおいては、スライド４２を上方に移動させテーブル４１から引き離すことにより、圧縮装置４０を開き、積層体１５をテーブル４１の上面（所定位置）に載置する。このとき、積層体１５の表面部材１２側を下側にして載置する。 In the introduction step S7a, the slide 42 is moved upward and pulled away from the table 41 to open the compression device 40 and place the laminate 15 on the upper surface (predetermined position) of the table 41. At this time, the laminate 15 is placed with the surface member 12 side facing down.

圧縮工程Ｓ７ｂにおいては、加熱状態のスライド４２を上方位置から下方に移動させ、テーブル４１上の積層体１５を加熱しながら圧縮する。このとき、表面部材２２は、加熱されながら所定形状成形部４１ａに応じた形状に成形される。すなわち、表面部材２２は、複数の凹部２２ａが下方に向けて開放するように形成される。尚、表面部材２２は、熱可塑的に変形されるということもでき、塑性変形されるということもできる。合わせて、ゴム発泡部材２１の表面側（図２Ａにて下面側）には、下方に開放する凹部２２ａにそれぞれ対応した複数の凹部２１ａが形成される。 In the compression step S7b, the heated slide 42 is moved downward from the upper position to compress the stacked body 15 on the table 41 while heating it. At this time, the surface member 22 is molded into a shape corresponding to the predetermined shape molding portion 41a while being heated. That is, the surface member 22 is formed so that a plurality of recesses 22a are opened downward. Note that the surface member 22 can also be said to be thermoplastically deformed or plastically deformed. In addition, a plurality of recesses 21a are formed on the surface side (lower surface side in FIG. 2A) of the rubber foam member 21, each corresponding to the downwardly open recess 22a.

圧縮工程Ｓ７ｂにおいて、圧縮率は１０～３０％に設定されるのが好ましく、本実施形態では、１５％に設定されるのが好適である。また、温度（加熱温度）は１５０～１７０℃に設定されるのが好ましく、本実施形態では、１６０℃に設定されるのが好適である。圧縮時間は、１８０～６００秒に設定されるのが好ましく、本実施形態では、３００秒に設定されるのが好適である。尚、本実施形態では、圧縮工程における所定条件は、圧縮率が１５％であり、加熱温度が１６０℃であり、圧縮時間が３００秒である。また、これらの圧縮条件は、圧縮対象（表面部材１２、ゴム発泡部材１１）の材質等に応じて適宜設定される。 In the compression step S7b, the compression ratio is preferably set to 10 to 30%, and in this embodiment, it is preferably set to 15%. Further, the temperature (heating temperature) is preferably set to 150 to 170°C, and in this embodiment, it is preferably set to 160°C. The compression time is preferably set to 180 to 600 seconds, and in this embodiment, is preferably set to 300 seconds. In this embodiment, the predetermined conditions in the compression step are that the compression ratio is 15%, the heating temperature is 160° C., and the compression time is 300 seconds. Further, these compression conditions are appropriately set depending on the material of the object to be compressed (surface member 12, rubber foam member 11), etc.

導出工程Ｓ７ｃにおいては、積層体１５の圧縮変形が完了すると、スライド４２を上方に移動させて、圧縮装置４０を開き、積層体１５の成形後である積層部材２０をテーブル４１の上面から取り出す。このとき、積層部材２０は、使用状態とは異なり上下が逆となっており、表面部材２２が下に、ゴム発泡部材２１が上に位置している。 In the derivation step S7c, when the compression deformation of the laminate 15 is completed, the slide 42 is moved upward, the compression device 40 is opened, and the laminate member 20 after the laminate 15 has been formed is taken out from the top surface of the table 41. At this time, the laminated member 20 is upside down, unlike the state in which it is used, with the surface member 22 located at the bottom and the rubber foam member 21 located at the top.

尚、所定形状形成部４１ａをテーブル４１側に設けるようにしたが、スライド４２側に設けるようにしてもよい。この場合、スライド４２の下面に、積層体１５の上面側（すなわち表面部材１２の表面側）を上述した所定形状に成形するための所定形状成形部を形成すればよい。 Although the predetermined shape forming portion 41a is provided on the table 41 side, it may be provided on the slide 42 side. In this case, a predetermined shape molding portion for molding the upper surface side of the laminate 15 (ie, the surface side of the surface member 12) into the above-mentioned predetermined shape may be formed on the lower surface of the slide 42.

以下に実施例を示し、本発明をさらに具体的に説明する。ただし、本発明は、この実施例に限定されるものではなく、当業者の知識に基づいて種々の変更、改良を施した種々の態様で実施することができる。 EXAMPLES The present invention will be explained in more detail with reference to Examples below. However, the present invention is not limited to this embodiment, and can be implemented in various forms with various modifications and improvements based on the knowledge of those skilled in the art.

実施例１の積層部材２０は、ゴム発泡部材１１ａ及び塗料１２ａを用いて上述した製造方法により作成されている。ゴム発泡部材１１ａは、ＥＰＤＭ系のゴム素材を３倍～１０倍に発泡させ所定形状（１１００ｍｍ×１１００ｍｍ×１５ｍｍ）に成形（切断）された発泡体である。ゴム発泡部材１１ａは、黒色であり、所定の硬さに設定されている。塗料１２ａは、水溶性ウレタン系であり、所定の色彩（例えば、緑色）を有している。 The laminated member 20 of Example 1 is produced by the above-described manufacturing method using the rubber foam member 11a and the paint 12a. The rubber foam member 11a is a foam made by foaming an EPDM-based rubber material 3 times to 10 times and molding (cutting) it into a predetermined shape (1100 mm x 1100 mm x 15 mm). The rubber foam member 11a is black and has a predetermined hardness. The paint 12a is water-soluble urethane-based and has a predetermined color (for example, green).

積層部材２０は、ゴム発泡部材２１及び表面部材２２を備えている。表面部材２２は、ゴム発泡部材２１の上面に密着している。積層部材２０のサイズは、１１００ｍｍ×１１００ｍｍ×１５ｍｍである。表面部材２２の厚みは、５０μｍである。表面部材２２の色彩は、塗料の色彩と同じである。積層部材２０の表面（上面）には、所望の凹凸形状が形成されており、所定の滑り止め機能を発揮する。このように、積層部材２０においては、表面部材２２の塗料１２ａの顔料の色彩を変更することにより、積層部材２０を所望の色彩に変更（付加）することが可能となる。 The laminated member 20 includes a rubber foam member 21 and a surface member 22. The surface member 22 is in close contact with the upper surface of the rubber foam member 21. The size of the laminated member 20 is 1100 mm x 1100 mm x 15 mm. The thickness of the surface member 22 is 50 μm. The color of the surface member 22 is the same as the color of the paint. A desired uneven shape is formed on the surface (upper surface) of the laminated member 20, and exhibits a predetermined anti-slip function. In this way, in the laminated member 20, by changing the color of the pigment of the paint 12a of the surface member 22, it is possible to change (add) a desired color to the laminated member 20.

一方、ゴム発泡部材１１を使用したマットにおいて、色彩を付加する場合には、ゴム発泡部材自体（すなわちゴム材料自体）に着色することが考えられるが、ゴム材料自体を白色化する必要がある。この場合、ホワイトカーボンや酸化チタンなどの高価な充填材を添加するため、所望の色彩が付加されたゴム材料やゴム発泡部材は比較的高価なものとなる。これに対して、本発明に係る積層部材２０は、表面部材２２は比較的低コストである塗料で形成されるので、比較的低コストにて積層部材２０に所望の色彩を付加することが可能となる。 On the other hand, when adding color to a mat using the rubber foam member 11, it is possible to color the rubber foam member itself (that is, the rubber material itself), but it is necessary to whiten the rubber material itself. In this case, since expensive fillers such as white carbon and titanium oxide are added, the rubber material or rubber foam member to which the desired color is added becomes relatively expensive. On the other hand, in the laminated member 20 according to the present invention, the surface member 22 is formed of a relatively low-cost paint, so it is possible to add a desired color to the laminated member 20 at a relatively low cost. becomes.

（変形例）
尚、上述した実施形態においては、表面部材２２に凹部２２ａを設けるとともにゴム発泡部材２１の表面（上面）に凹部２１ａを設けるようにしたが、図３に示すように、ゴム発泡部材１２１に凹部を設けないで表面部材１２２の表面にのみ凹部１２２ａを設けるようにしてもよい。 (Modified example)
In the above embodiment, the surface member 22 is provided with the recess 22a, and the rubber foam member 21 is provided with the recess 21a on the surface (upper surface). However, as shown in FIG. The recess 122a may be provided only on the surface of the surface member 122 without providing the recess 122a.

第１変形例による積層部材１２０は、ゴム発泡部材１２１及び表面部材１２２を備えている。表面部材１２２の表面には凹部１２２ａが形成されるが、表面部材１２２の裏面（下面）は、上述した凹凸形状を有する表面部材２２の裏面と異なり、平坦に形成されている。また、ゴム発泡部材１２１の上面は、上述した凹凸形状を有するゴム発泡部材２１の上面と異なり、平坦に形成されている。 The laminated member 120 according to the first modification includes a rubber foam member 121 and a surface member 122. Although a recessed portion 122a is formed on the surface of the surface member 122, the back surface (lower surface) of the surface member 122 is formed flat, unlike the back surface of the surface member 22 having the uneven shape described above. Further, the upper surface of the rubber foam member 121 is formed flat, unlike the upper surface of the rubber foam member 21 having the uneven shape described above.

積層部材１２０は、上述した積層部材２０と同様の製造工程にて基本的に製造される。異なる点は、積層工程Ｓ５にて塗布される塗料１２ａの膜厚であり、本積層部材１２０では上述した積層部材２０より厚い膜厚に設定されている。その結果、その後の圧縮工程Ｓ７ｂにおいて熱プレス加工されても、表面部材１１２の表面側のみに凹凸状が形成され、表面部材１１２全体が凹凸状に形成されない。よって、表面にのみ凹部１２２ａを有する表面部材１２２が形成される。 The laminated member 120 is basically manufactured in the same manufacturing process as the laminated member 20 described above. The difference is the thickness of the coating material 12a applied in the lamination step S5, which is set to be thicker in the present laminated member 120 than in the laminated member 20 described above. As a result, even if hot press processing is performed in the subsequent compression step S7b, an uneven shape is formed only on the front side of the surface member 112, and the entire surface member 112 is not formed in an uneven shape. Therefore, a surface member 122 having recesses 122a only on the surface is formed.

また、上述した表面部材２２（または表面部材１２２）に複数の凹部２２ａ（または凹部１２２ａ）を設けるようにしたが、表面部材２２に複数の凸部を設けるようにしてもよい。この場合、圧縮工程Ｓ７において、スライド４２の下面に、積層体１５の上面側（すなわち表面部材１２の表面側）に凸部を形成する凸部成形部が形成されるのが好ましい。 Furthermore, although the surface member 22 (or surface member 122) described above is provided with a plurality of recesses 22a (or recesses 122a), the surface member 22 may be provided with a plurality of convex portions. In this case, in the compression step S7, it is preferable that a convex molded portion is formed on the lower surface of the slide 42 to form a convex portion on the upper surface side of the laminate 15 (that is, on the surface side of the surface member 12).

また、上述した積層部材２０において、塗料に、導電性、抗菌性、熱伝導性を有する成分を含ませることにより、導電性、抗菌性、熱伝導性を有する積層部材を提供することが可能となる。 Further, in the above-described laminated member 20, by including a component having conductivity, antibacterial properties, and thermal conductivity in the paint, it is possible to provide a laminated member having conductivity, antibacterial properties, and thermal conductivity. Become.

（実施形態の作用・効果）
上述した実施形態に係る積層部材２０，１２０は、板状のゴム発泡部材２１，１２１と、ゴム発泡部材２１，１２１の表面（上面）を覆うように塗料１２ａで形成され、かつ表面（上面）側が所定形状に成形された表面部材２２，１２２と、を備えている。 (Actions and effects of embodiments)
The laminated members 20, 120 according to the embodiments described above are formed of plate-shaped rubber foam members 21, 121 and a paint 12a so as to cover the surfaces (upper surfaces) of the rubber foam members 21, 121, and the surfaces (upper surfaces) Surface members 22, 122 whose sides are formed into a predetermined shape are provided.

この積層部材２０，１２０によれば、ゴム発泡部材２１，１２１の表面に、表面側に所定形状を成形できる表面部材２２，１２２を設けるので、積層部材２０，１２０に滑り止め機能を設定することが可能となる。さらに、表面部材２２，１２２は塗料１２ａで形成されるので、比較的低コストにて積層部材２０，１２０に色彩を付加することが可能となる。このように、コスト高を招くことなく、滑り止めと色彩の付加とを両立することができる積層部材２０，１２０を提供することが可能となる。 According to the laminated members 20, 120, since the surface members 22, 122 that can be molded into a predetermined shape are provided on the surfaces of the rubber foam members 21, 121, the laminated members 20, 120 can be provided with an anti-slip function. becomes possible. Furthermore, since the surface members 22, 122 are formed of the paint 12a, it is possible to add color to the laminated members 20, 120 at relatively low cost. In this way, it is possible to provide the laminated members 20, 120 that can provide both anti-slip properties and addition of color without increasing costs.

また、積層部材２０，１２０においては、ゴム発泡部材２１，１２１の表面は切断面であることが好ましい。これによれば、塗料１２ａを切断面に積層するので、ゴム発泡部材２１，１２１の表面に確実に表面部材２２，１２２を形成（積層）することが可能となる。よって、表面部材２２，１２２すなわち積層部材２０，１２０の表面部の摩耗性、撥水性を向上させることが可能となる。 Further, in the laminated members 20, 120, the surfaces of the rubber foam members 21, 121 are preferably cut surfaces. According to this, since the paint 12a is laminated on the cut surface, it becomes possible to reliably form (laminate) the surface members 22, 122 on the surfaces of the rubber foam members 21, 121. Therefore, it is possible to improve the abrasion resistance and water repellency of the surface members 22, 122, that is, the surface portions of the laminated members 20, 120.

また、積層部材２０，１２０の製造方法は、ゴム発泡部材２１，１２１の表面に、塗料１２ａで形成された表面部材１２，１１２が積層された積層体１５を、所定形状に成形する圧縮工程Ｓ７を有する。
この積層部材２０，１２０の製造方法によれば、圧縮工程Ｓ７において、積層体１５の表面部材１２，１１２の表面側に所定形状を成形できるので、積層部材２０，１２０に滑り止め機能を設定することが可能となる。さらに、表面部材２２，１２２は塗料１２ａで形成されるので、比較的低コストにて積層部材２０，１２０に色彩を付加することが可能となる。このように、コスト高を招くことなく、滑り止めと色彩の付加とを両立することができる積層部材２０，１２０の製造方法を提供することが可能となる。 Further, the method for manufacturing the laminated members 20, 120 includes a compression step S7 in which a laminated body 15 in which the surface members 12, 112 formed with the paint 12a are laminated on the surface of the rubber foam members 21, 121 is molded into a predetermined shape. has.
According to this method of manufacturing the laminated members 20, 120, a predetermined shape can be formed on the surface side of the surface members 12, 112 of the laminated body 15 in the compression step S7, so that the laminated members 20, 120 are provided with an anti-slip function. becomes possible. Furthermore, since the surface members 22, 122 are formed of the paint 12a, it is possible to add color to the laminated members 20, 120 at relatively low cost. In this way, it is possible to provide a method for manufacturing the laminated members 20, 120 that can provide both anti-slip properties and addition of color without increasing costs.

また、積層部材２０，１２０の製造方法においては、ゴム発泡部材２１，１２１を成形する成形工程Ｓ１と、成形工程Ｓ１にて成形されたゴム発泡部材２１，１２１を切断する切断工程Ｓ３と、切断工程Ｓ３にて切断されたゴム発泡部材２１，１２１の切断面に塗料１２ａで形成された表面部材１２，１１２を積層して積層体１５を形成する積層工程Ｓ５と、をさらに有することが好ましい。これによれば、積層工程Ｓ５において、塗料１２ａをゴム発泡部材２１，１２１の切断面に積層することにより積層体１５ひいては積層部材２０，１２０を製造するので、ゴム発泡部材２１，１２１の表面に確実に表面部材２２，１２２を形成（積層）することが可能となる。よって、表面部材２２，１２２すなわち積層部材２０，１２０の表面部の摩耗性、撥水性を向上させることが可能となる。 In addition, the method for manufacturing the laminated members 20, 120 includes a molding step S1 of molding the rubber foam members 21, 121, a cutting step S3 of cutting the rubber foam members 21, 121 molded in the molding step S1, and a cutting step S3 of cutting the rubber foam members 21, 121 molded in the molding step S1. It is preferable to further include a lamination step S5 of laminating the surface members 12, 112 formed with the paint 12a on the cut surfaces of the rubber foam members 21, 121 cut in step S3 to form the laminate 15. According to this, in the lamination step S5, the laminate 15 and eventually the laminate members 20, 120 are manufactured by laminating the paint 12a on the cut surfaces of the rubber foam members 21, 121, so that It becomes possible to reliably form (laminate) the surface members 22, 122. Therefore, it is possible to improve the abrasion resistance and water repellency of the surface members 22, 122, that is, the surface portions of the laminated members 20, 120.

１１…ゴム発泡部材、１２，１１２…表面部材、１２ａ…塗料、１５…積層体、２０，１２０…積層部材、２１，１２１…ゴム発泡部材、２２，１２２…表面部材、Ｓ１…成形工程、Ｓ３…切断工程、Ｓ５…積層工程、Ｓ７…圧縮工程。 DESCRIPTION OF SYMBOLS 11... Rubber foam member, 12, 112... Surface member, 12a... Paint, 15... Laminated body, 20, 120... Laminated member, 21, 121... Rubber foam member, 22, 122... Surface member, S1... Molding process, S3 ...cutting process, S5... lamination process, S7... compression process.

Claims (4)

板状のゴム発泡部材と、
前記ゴム発泡部材の表面を覆うように塗料で形成され、かつ表面側が所定形状に成形された表面部材と、
を備えたことを特徴とする積層部材。 A plate-shaped rubber foam member,
a surface member formed of paint so as to cover the surface of the rubber foam member, and whose surface side is molded into a predetermined shape;
A laminated member characterized by comprising: 前記ゴム発泡部材の表面は切断面であることを特徴とする請求項１に記載の積層部材。 The laminated member according to claim 1, wherein the surface of the rubber foam member is a cut surface. 請求項１または請求項２に記載の積層部材の製造方法であって、
前記ゴム発泡部材の表面に、塗料で形成された表面部材が積層された積層体を、所定形状に成形する圧縮工程を有することを特徴とする積層部材の製造方法。 A method for manufacturing a laminated member according to claim 1 or 2, comprising:
A method for producing a laminated member, comprising a compression step of molding a laminate in which a surface member made of paint is laminated on the surface of the rubber foam member into a predetermined shape. 前記ゴム発泡部材を成形する成形工程と、
前記成形工程にて成形された前記ゴム発泡部材を切断する切断工程と、
前記切断工程にて切断された前記ゴム発泡部材の切断面に前記塗料で形成された表面部材を積層して前記積層体を形成する積層工程と、
をさらに有することを特徴とする請求項３に記載の積層部材の製造方法。 a molding step of molding the rubber foam member;
a cutting step of cutting the rubber foam member molded in the molding step;
a laminating step of laminating a surface member formed with the paint on the cut surface of the rubber foam member cut in the cutting step to form the laminate;
The method for manufacturing a laminated member according to claim 3, further comprising:
JP2022103091A 2022-06-28 2022-06-28 Laminate member and method for producing laminate member Pending JP2024003809A (en)

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