JP2010116308A - Floor tile and method for manufacturing the same - Google Patents

Floor tile and method for manufacturing the same Download PDF

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Publication number
JP2010116308A
JP2010116308A JP2008292361A JP2008292361A JP2010116308A JP 2010116308 A JP2010116308 A JP 2010116308A JP 2008292361 A JP2008292361 A JP 2008292361A JP 2008292361 A JP2008292361 A JP 2008292361A JP 2010116308 A JP2010116308 A JP 2010116308A
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Prior art keywords
tile
floor tile
floor
polished
substrate
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JP2008292361A
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Japanese (ja)
Inventor
Shuji Sugiyama
修司 杉山
Michihiro Takeda
道弘 竹田
Seiji Shinkai
誠司 新開
Masaki Sakai
正樹 酒井
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Inax Corp
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Inax Corp
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Priority to JP2008292361A priority Critical patent/JP2010116308A/en
Priority to TW098124872A priority patent/TW201020378A/en
Priority to KR1020090085979A priority patent/KR20100054715A/en
Priority to CN200910226038XA priority patent/CN101736885B/en
Publication of JP2010116308A publication Critical patent/JP2010116308A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/022—Flooring consisting of parquetry tiles on a non-rollable sub-layer of other material, e.g. board, concrete, cork
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/08—Apparatus or processes for treating or working the shaped or preshaped articles for reshaping the surface, e.g. smoothing, roughening, corrugating, making screw-threads
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/08—Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Floor Finish (AREA)
  • Finishing Walls (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a floor tile which is stain-resistant and not slippery even in case where people walk with shoes, and a method for manufacturing the same. <P>SOLUTION: This floor tile has a tile substrate 1, a glaze layer 2 provided on the surface of the substrate 1, and projected parts 3 for the slip stopper arranged like scattered spots on the surface of the glaze layer 2. The surface of the glaze layer 2 is polished. The height t of the projected part 3 is 0.1-1 mm, and the basement area of the projected part 3 is 0.28-50 mm<SP>2</SP>per one piece. The distance L between adjacent nearest projected parts 3 is 1-10 mm. The array density of the projected parts 3 is 1-100 pieces/cm<SP>2</SP>. Unglazed tile not provided with the glaze layer 2 may be used also, and in such case, projected parts 3 are provided after the surface of the tile substrate 1A is polished. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、滑り止め用の凸部を有した床タイルとその製造方法に関する。   The present invention relates to a floor tile having a non-slip projection and a method for manufacturing the floor tile.

滑り止めを目的として凸部を表面に設けた床タイルとしては、下記特許文献１〜４に記載されたものがある。   As floor tiles having convex portions on the surface for the purpose of preventing slipping, there are those described in Patent Documents 1 to 4 below.

特許文献１（特開平５−１０５５５９）に記載の滑り止めタイルは、第２図に示したように、タイル素地４の表面に釉層５が形成されると共に、この釉層５の表面から粒径５０〜３００μｍの硬質粒子６の一部を突出させたものである。この硬質粒子はアルミナ、ジルコン等よりなり、タイル表面の１ｃｍ２当り１０〜４０個配置される。この滑り止めタイルは、生の又は仮焼された素地の表面に釉掛けし、次いで硬質粒子を散布し、焼成して素地を焼結させると共に、釉を素地に融着させ、且つ、硬質粒子の下半側を釉層内に没入させるようにして製造される。 As shown in FIG. 2, the anti-slip tile described in Patent Document 1 (Japanese Patent Application Laid-Open No. 5-105559) has a cocoon layer 5 formed on the surface of the tile substrate 4 and particles from the surface of the cocoon layer 5. A part of the hard particles 6 having a diameter of 50 to 300 μm is protruded. These hard particles are made of alumina, zircon or the like, and 10 to 40 particles are arranged per 1 cm 2 of the tile surface. This anti-slip tile is hung on the surface of a raw or calcined substrate, then sprayed with hard particles, fired to sinter the substrate, and fuse the wrinkles to the substrate, and hard particles Manufactured so that the lower half side is immersed in the eaves layer.

特許文献２（特開昭５３−７８６２９）の第２頁左下欄第１行〜右下欄第５行にも同様の微小突出部を有した滑り止めタイルの製造方法が記載されている。特に、この特許文献２の第２頁左下欄１５〜１６行には、第３図の通り、素地７と、該素地７上の第１釉層９ａと、該第１釉層９ａ上の硬質粒子８と、該硬質粒子８を覆うように設けられた第２釉層９ｂとを有した滑り止めタイルが記載されている。この硬質粒子８を存在させることにより、第２釉層９ｂの表面に微小突出部が形成される。   Patent Document 2 (Japanese Patent Laid-Open No. 53-78629), page 2, lower left column, line 1 to lower right column, line 5 describes a method for manufacturing a non-slip tile having the same minute protrusion. In particular, in the lower left column 15 to 16 of the second page of Patent Document 2, as shown in FIG. 3, the substrate 7, the first ridge layer 9a on the substrate 7, and the hard layer on the first ridge layer 9a An anti-slip tile having particles 8 and a second ridge layer 9b provided so as to cover the hard particles 8 is described. Due to the presence of the hard particles 8, minute protrusions are formed on the surface of the second soot layer 9b.

特許文献２の第３頁左下欄第５行には、微小突出部の突出高さは０．１〜０．７ｍｍと記載されている。   In the third page of the lower left column of page 3 of Patent Document 2, the protrusion height of the minute protrusion is described as 0.1 to 0.7 mm.

なお、この特許文献２の第５図には、微小突出部によって模様を描くことが記載されている。   Note that FIG. 5 of Patent Document 2 describes that a pattern is drawn by a minute protrusion.

特許文献３（特開昭６１−２４２２５６）には、第４図の通り、タイル素地１０と、その上の凹凸状模様１１と、これを覆うマット釉１２とを有した滑り止めタイルが記載されている。特許文献３の第２頁左下欄４〜５行には、凹凸の高さは０．３ｍｍ以上、好ましくは０．５〜２．０ｍｍと記載されている。   Patent Document 3 (Japanese Patent Laid-Open No. 61-242256) describes a non-slip tile having a tile substrate 10, an uneven pattern 11 thereon, and a mat ridge 12 covering the same, as shown in FIG. ing. In the second page, lower left column, lines 4 to 5 of Patent Document 3, the height of the unevenness is described as 0.3 mm or more, preferably 0.5 to 2.0 mm.

特許文献４（特開２０００−１０９３８４）には、第５図のように、タイル本体１３の表面の釉薬層１４の上に微小な凹凸１５をインクによって設けることが記載されている。特許文献４の０００４段落には、凹凸の高さは３０〜１００μｍ、間隔は２００〜４００μｍと記載されている。
特開平５−１０５５５９ 特開昭５３−７８６２９ 特開昭６１−２４２２５６ 特開２０００−１０９３８４ Patent Document 4 (Japanese Patent Laid-Open No. 2000-109384) describes that fine irregularities 15 are provided with ink on the glaze layer 14 on the surface of the tile body 13 as shown in FIG. In paragraph 0004 of Patent Document 4, the height of the unevenness is described as 30 to 100 μm, and the interval is described as 200 to 400 μm.
JP-A-5-105559 JP 53-78629 A JP 61-242256 A JP 2000-109384 A

硬質粒子を散布して焼き付けるようにした滑り止め床タイルの場合、硬質粒子同士が凝集し、粒子間に汚れが溜り易い。   In the case of a non-slip floor tile in which hard particles are dispersed and baked, the hard particles are aggregated and dirt is easily accumulated between the particles.

また、一般に、滑り止め用の凸部を多くすると、滑り止め効果は高くなるが床タイルに汚れが付き易くなる。特に靴を履いて歩行する建物エントランスやロビーなどにあっては、汚れの付着が顕著になり易い。   In general, when the number of anti-slip protrusions is increased, the anti-slip effect is enhanced, but the floor tiles are easily soiled. Especially in building entrances and lobbies where people walk with shoes on, dirt is likely to be noticeable.

また、表面が研磨された磨きタイルの場合、滑り止め用凸部の数を多くしたり面積を大きくすると、磨き面の美観が低下することになる。   Further, in the case of a polished tile having a polished surface, the aesthetic appearance of the polished surface decreases if the number of anti-slip protrusions is increased or the area is increased.

本発明は、靴履にて歩行が行われる場合でも滑りにくく且つ汚れが付きにくい床タイルと、その製造方法を提供することを目的とする。   SUMMARY OF THE INVENTION An object of the present invention is to provide a floor tile that is less slippery and less likely to get dirty even when walking in shoes and a method for manufacturing the same.

請求項１の床タイルは、表面に滑り止め用の凸部が設けられた床タイルにおいて、凸部の高さが０．１〜１ｍｍ、凸部の基底部の面積が０．２８〜５０ｍｍ２、隣接する直近の凸部同士の平均距離が１〜１０ｍｍであることを特徴とするものである。 The floor tile according to claim 1 is a floor tile provided with a non-slip protrusion on the surface, the height of the protrusion is 0.1 to 1 mm, and the area of the base of the protrusion is 0.28 to 50 mm 2. The average distance between adjacent adjacent convex portions is 1 to 10 mm.

請求項２の床タイルは、請求項１において、凸部の配置密度が１〜１００個／ｃｍ２であることを特徴とするものである。 The floor tile of claim 2 is characterized in that, in claim 1, the arrangement density of the convex portions is 1 to 100 pieces / cm 2 .

請求項３の床タイルは、請求項１又は２において、凸部と、その周囲の床タイル表面とが同系色であることを特徴とするものである。   A floor tile according to a third aspect is characterized in that, in the first or second aspect, the convex portion and the surface of the surrounding floor tile have a similar color.

請求項４の床タイルは、請求項１ないし３のいずれか１項において、凸部以外の床タイル表面が研磨面となっていることを特徴とするものである。   A floor tile according to a fourth aspect is characterized in that, in any one of the first to third aspects, the surface of the floor tile other than the convex portion is a polished surface.

請求項５の床タイルは、請求項４において、該床タイルは施釉タイルであり、タイル素地と、該タイル素地の表面に設けられた、表面が研磨された釉層と、該釉層の表面に融着した、該釉層の釉よりも低融点の釉よりなる前記凸部とを備えてなることを特徴とするものである。   The floor tile according to claim 5 is the floor tile according to claim 4, wherein the floor tile is a glazed tile, a tile substrate, a glazed layer provided on a surface of the tile substrate, and a surface of the glazed layer. And the protrusions having a melting point lower than that of the ridges of the ridge layer.

請求項６の床タイルは、請求項４において、該床タイルは施釉していない無釉タイルであり、タイル素地表面が研磨されたタイル素地と、該タイル素地の表面に融着した、融点がタイル素地の焼結温度よりも低い釉よりなる前記凸部とを備えてなることを特徴とするものである。   A floor tile according to claim 6 is the tile according to claim 4, wherein the floor tile is an unglazed tile, the tile base surface is polished, and the melting point of the tile base is fused to the surface of the tile base. It is provided with the said convex part which consists of a wrinkles lower than the sintering temperature of a tile base material.

請求項７の床タイルの製造方法は、請求項５の床タイルを製造する方法であって、タイル素地と、該タイル素地に設けられた、表面が研磨された釉層とを有する原タイルを用い、研磨された釉層の表面に、凸部を形成するための釉薬を印刷し、印刷された釉薬を釉層に焼き付けるように焼成することを特徴とするものである。   The method for manufacturing a floor tile according to claim 7 is a method for manufacturing the floor tile according to claim 5, wherein an original tile having a tile base and a glazed layer with a polished surface provided on the tile base is provided. The glaze for forming a convex part is printed on the surface of the used glaze layer, and it is fired so that the printed glaze may be baked on the glaze layer.

請求項８の床タイルの製造方法は、請求項６の床タイルを製造する方法であって、表面が研磨されたタイル素地よりなる無釉の原タイルを用い、研磨されたタイル素地の表面に、凸部を形成するための釉薬を印刷し、印刷された釉薬をタイル素地に焼き付けるように焼成することを特徴とするものである。   The method for manufacturing a floor tile according to claim 8 is a method for manufacturing the floor tile according to claim 6, wherein an unfinished original tile made of a polished tile base is used, and the surface of the polished tile base is used. The glaze for forming the convex portion is printed, and the printed glaze is baked to be baked on the tile substrate.

本発明の床タイルは、凸部を、相互間の間隔を広めにして設けたものであり、靴を履いて歩行する床面に施工された場合の滑り止め効果が高く、汚れも付きにくい。また、凸部とその周囲の床タイル表面とを同系色とすることにより、凸部も目立たず、美観が良好となる。   The floor tile of the present invention is provided with convex portions with a wider interval between them, and has a high anti-slip effect when applied to a floor surface that is worn with shoes and is not easily soiled. Further, by making the convex part and the surrounding floor tile surface have similar colors, the convex part is not conspicuous and the aesthetic appearance is improved.

本発明の床タイルは、凸部以外の表面が研磨面となっている場合に適用するのに好適である。この研磨面は、滑り易いところから、上記のように凸部を設けた場合の効果が大である。   The floor tile of the present invention is suitable for application when the surface other than the convex portion is a polished surface. Since this polished surface is slippery, the effect when the convex portions are provided as described above is significant.

本発明の床タイルを表面が研磨された磨きタイルに適用する場合、凸部は、釉薬をこの研磨されたタイル表面に焼き付けることにより形成されたものであることが好ましい。かかるタイルは美感に優れ、また凸部も堅牢であり、耐久性に優れる。   When the floor tile of the present invention is applied to a polished tile having a polished surface, the convex portion is preferably formed by baking glaze on the polished tile surface. Such tiles are excellent in aesthetics, and the convex portions are also robust and excellent in durability.

以下、図面を参照して実施の形態について説明する。   Hereinafter, embodiments will be described with reference to the drawings.

［第１の実施の形態］
第１図（ａ）は第１の実施の形態に係る床タイルの斜視図、第１図（ｂ）はこの床タイルの拡大断面図である。 [First Embodiment]
FIG. 1 (a) is a perspective view of a floor tile according to the first embodiment, and FIG. 1 (b) is an enlarged sectional view of the floor tile.

この床タイルは、タイル素地１と、この素地１の表面に設けられた釉層２と、この釉層２の表面に散点状に設けられた滑り止め用凸部３とを有する。   This floor tile has a tile base 1, an eaves layer 2 provided on the surface of the eaves 1, and a non-slip protrusion 3 provided in a dotted pattern on the surface of the eaves layer 2.

この実施の形態では、釉層２の表面は研磨されており、この表面に釉層２の釉薬よりも融点が低い釉薬よりなる凸部３が融着されている。   In this embodiment, the surface of the glaze layer 2 is polished, and the convex portion 3 made of a glaze having a melting point lower than that of the glaze of the glaze layer 2 is fused to the surface.

釉層２の厚さは０．２〜５ｍｍ特に０．５〜１．５ｍｍ程度が好適である。   The thickness of the eaves layer 2 is preferably about 0.2 to 5 mm, particularly about 0.5 to 1.5 mm.

［第２の実施の形態］
第６図は第２の実施の形態に係る床タイルの拡大断面図である。 [Second Embodiment]
FIG. 6 is an enlarged cross-sectional view of the floor tile according to the second embodiment.

この床タイルは、タイル素地１Ａと、この素地１の表面に散点状に設けられた滑り止め用凸部３とを有する。   This floor tile has a tile base 1A and anti-slip convex portions 3 provided in a dotted pattern on the surface of the base 1.

この実施の形態では、釉層２は設けられておらず、タイル素地１Ａの表面は研磨されており、この表面に釉薬よりなる凸部３が融着されている。この場合の釉薬としては、この凸部３を融着させるときの焼成によってタイル素地１Ａに収縮が生じさせない程度に融点がタイル素地１Ａの焼結温度よりも低いものが用いられる。   In this embodiment, the eaves layer 2 is not provided, the surface of the tile base 1A is polished, and the projection 3 made of glaze is fused to this surface. As the glaze in this case, a glaze whose melting point is lower than the sintering temperature of the tile base 1A is used to such an extent that the tile base 1A is not contracted by firing when the convex portions 3 are fused.

［凸部３の詳細な説明］
第１及び第２の実施の形態において、凸部３の高さｔは０．１〜１ｍｍであり、好ましくは０．２〜０．５ｍｍである。凸部３の基底部の直径ｄの平均値は０．３〜４ｍｍ特に０．５〜２ｍｍが好ましく、この基底部の面積は、１個当り０．２８〜５０ｍｍ２特に０．７９〜１３ｍｍ２程度が好ましい。隣接する直近の凸部３同士の距離（凸部３の中心間の距離）Ｌの平均値は１〜１０ｍｍ特に２〜８ｍｍとりわけ３〜５ｍｍ程度が好ましい。凸部３の配置密度は１〜１００個／ｃｍ２特に２〜５０個／ｃｍ２とりわけ４〜１６個／ｃｍ２程度が好ましい。 [Detailed description of convex part 3]
In 1st and 2nd embodiment, the height t of the convex part 3 is 0.1-1 mm, Preferably it is 0.2-0.5 mm. The average value of the diameter d of the base part of the convex part 3 is preferably 0.3-4 mm, particularly 0.5-2 mm, and the area of this base part is 0.28-50 mm 2 per piece, especially 0.79-13 mm 2. The degree is preferred. The average value of the distances L between adjacent adjacent convex portions 3 (the distance between the centers of the convex portions 3) L is preferably about 1 to 10 mm, particularly 2 to 8 mm, especially about 3 to 5 mm. The arrangement density of the convex portions 3 is preferably about 1 to 100 pieces / cm 2, particularly 2 to 50 pieces / cm 2, particularly about 4 to 16 pieces / cm 2 .

凸部３の形状は円形、楕円形、三角形、四角形、五角形以上の多角形などのいずれでもよいが、等方的であると共に印刷し易いところから円形が好ましい。   The shape of the convex portion 3 may be any of a circle, an ellipse, a triangle, a quadrangle, a pentagon or more, and a circle is preferable because it is isotropic and easy to print.

このように凸部３を釉層２又はタイル素地１Ａの磨き面上に設けた床タイルは、磨き面特有の平滑性及び光沢を有し、滑り止め性に優れ、しかも長期にわたって汚れが付きにくい。   Thus, the floor tile provided with the convex portion 3 on the polished surface of the eaves layer 2 or the tile substrate 1A has smoothness and luster peculiar to the polished surface, is excellent in anti-slip property, and is difficult to be stained for a long time. .

この床タイルを製造するには、まずタイル用原料を用いて生素地を成形する。   In order to manufacture this floor tile, first, a green body is formed using a tile raw material.

タイル素地の原料としては、長石、陶石、粘土などを用いることができる。   As a raw material of the tile substrate, feldspar, porcelain stone, clay and the like can be used.

通常採用される配合の一例を示すと次の通りである。   An example of a composition that is usually employed is as follows.

粘土 ２０〜５０重量部
陶石 ０〜４５重量部
長石 ２０〜７０重量部 20 to 50 parts by weight of clay 0 to 45 parts by weight of porcelain 20 to 70 parts by weight of feldspar

この素地組成物は、乾式プレスや湿式による押出成形など適宜の方法で成形体（生素地）とされる。成形体の厚さは３〜２５ｍｍ、一辺の長さは５０〜１８００ｍｍ程度が好ましい。第１の実施の形態（施釉タイル）の場合、この生素地は、施釉前に仮焼されてもよい。   The green body composition is formed into a molded body (raw green body) by an appropriate method such as dry pressing or wet extrusion. The thickness of the molded body is preferably 3 to 25 mm, and the length of one side is preferably about 50 to 1800 mm. In the case of the first embodiment (glazed tile), this raw material may be calcined before glazing.

第１の実施の形態では、その後、この素地に釉掛けし、乾燥後、焼成し、素地を焼結させると共に、釉層２を形成する。第２の実施の形態では、釉掛けすることなく、乾燥後、焼成してタイル素地１Ａの焼結体とする。   In the first embodiment, the base material is then laid, dried, fired, the base material is sintered, and the heel layer 2 is formed. In the second embodiment, without drying, it is dried and fired to obtain a sintered body of the tile substrate 1A.

第１の実施の形態では、釉層２及び凸部３を構成するための釉薬としては、長石、珪砂、炭酸カルシウム、粘土、亜鉛華、ジルコン、アルミナ、ペタライト、硼砂などの釉薬原料を調合してなる各種の一般的な床タイル用の釉薬を用いることができる。釉層２については融点が７００〜１３００℃特に９５０〜１２００℃程度のものが好ましく、凸部３の釉としては、それよりも融点が１００〜７００℃特に３００〜５５０℃程度低いものが好ましい。   In the first embodiment, the glaze for forming the glaze layer 2 and the convex portion 3 is prepared by blending glaze raw materials such as feldspar, quartz sand, calcium carbonate, clay, zinc white, zircon, alumina, petalite, and borax. Various common floor tile glazes can be used. The heel layer 2 preferably has a melting point of 700 to 1300 ° C., particularly about 950 to 1200 ° C., and the ridge of the convex portion 3 preferably has a melting point lower by 100 to 700 ° C., particularly about 300 to 550 ° C.

第２の実施の形態では、凸部３を構成する釉薬としては、融点が６００〜１０５０℃特に６５０〜９５０℃程度のものが好ましい。   In 2nd Embodiment, as a glaze which comprises the convex part 3, that whose melting | fusing point is 600-1050 degreeC especially about 650-950 degreeC is preferable.

次いで、第１の実施の形態では、釉層２の表面を、第２の実施の形態ではタイル素地１Ａの表面を研磨装置で研磨する。研磨装置としては湿式研磨装置、乾式研磨装置、バフ型研磨装置、ディスク型研磨装置などを用いることができる。   Next, in the first embodiment, the surface of the eaves layer 2 is polished by a polishing apparatus, and in the second embodiment, the surface of the tile substrate 1A is polished by a polishing apparatus. As the polishing apparatus, a wet polishing apparatus, a dry polishing apparatus, a buff type polishing apparatus, a disk type polishing apparatus, or the like can be used.

その後、この研磨面にスクリーン印刷、凹版印刷などによって凸部３を形成するための釉薬を印刷する。乾燥後、この釉薬の融点よりも２０〜３００℃程度高い温度で焼成し、釉薬を融着（焼き付け）して凸部３を形成する。   Then, the glaze for forming the convex part 3 is printed by this screen printing, intaglio printing, etc. on this grinding | polishing surface. After drying, firing is performed at a temperature about 20 to 300 ° C. higher than the melting point of the glaze, and the glaze is fused (baked) to form the convex portion 3.

なお、他社で製造された磨き施釉タイル又は磨き無釉タイルを購入し、これに上記のようにして凸部３を形成してもよい。また、他社で製造された磨いてない施釉タイル又は無釉タイルを購入し、これを研磨した後、上記のように凸部３を形成してもよい。   Note that a polished glazed tile or a polished unglazed tile manufactured by another company may be purchased, and the convex portions 3 may be formed on the glazed tile or the polished glazed tile as described above. In addition, after purchasing an unpolished glazed tile or glazed tile manufactured by another company and polishing it, the convex portion 3 may be formed as described above.

実施例１
下記配合の素地を乾式プレス（プレス圧３００Ｋｇ／ｃｍ２）にて厚さ９ｍｍ、大きさ１５０×１５０ｍｍの板状に成形した。 Example 1
A substrate having the following composition was formed into a plate shape having a thickness of 9 mm and a size of 150 × 150 mm by a dry press (press pressure: 300 kg / cm 2 ).

素地配合
粘土 ４０重量部
長石 ５０重量部
陶石 １０重量部 Base mix clay 40 parts by weight feldspar 50 parts by weight porcelain stone 10 parts by weight

この素地の上に下記組成の釉を乾式重量ベースにて素地表面１ｃｍ２当り８ｇの割合で釉掛けした。 On the substrate, a candy having the following composition was laid on a dry weight basis at a rate of 8 g per 1 cm 2 of the substrate surface.

釉薬組成
長石 ４８重量部
珪砂 １４重量部
炭酸カルシウム ２５重量部
蛙目粘土 ７重量部
亜鉛華 ２重量部
アルミナ １重量部
硼砂 ３重量部 Glaze composition 48 parts by weight feldspar 14 parts by weight Silica sand 14 parts by weight Calcium carbonate 25 parts by weight Sasame clay 7 parts by weight Zinc white 2 parts by weight Alumina 1 part by weight Borax 3 parts by weight

次に、これを乾燥した後、ローラーハースキルンにて１２５０℃にて焼成した。その後、乾式バフ型研磨装置で釉層の表面を研磨し、厚さ０．８ｍｍの釉層を形成した。   Next, after drying this, it baked at 1250 degreeC with the roller hearth kiln. Thereafter, the surface of the cocoon layer was polished by a dry buff type polishing apparatus to form a cocoon layer having a thickness of 0.8 mm.

この釉層の上に、凸部３を形成するために次の釉薬組成の釉薬スリップをスクリーン印刷にて印刷し、乾燥後、ローラーハースキルンで７６０℃にて焼成し、本発明の床タイルを製造した。   On this glaze layer, the glaze slip of the following glaze composition is printed by screen printing in order to form the convex part 3, and after drying, it bakes at 760 degreeC with a roller hearth kiln, and the floor tile of this invention is Manufactured.

釉薬組成
長石 ３８重量部
珪砂 １９重量部
炭酸カルシウム ８重量部
蛙目粘土 １０重量部
硼砂 ２５重量部 Glaze composition feldspar 38 parts by weight Silica sand 19 parts by weight Calcium carbonate 8 parts by weight Sasame clay 10 parts by weight Borax 25 parts by weight

この床タイルの凸部３は円形であり、基底部の平均直径は１ｍｍ、基底部の平均面積は０．７９ｍｍ２、凸部３の平均高さは０．３４ｍｍである。隣接する直近の凸部３同士の距離Ｌの平均値は３ｍｍであり、凸部３の配置密度は１２．５個／ｃｍ２である。なお、凸部３は、第１図（ａ）の通り、正方形の枡目の交点上に位置するように配列されている。 The convex part 3 of this floor tile is circular, the average diameter of the base part is 1 mm, the average area of the base part is 0.79 mm 2 , and the average height of the convex part 3 is 0.34 mm. The average value of the distances L between adjacent adjacent convex portions 3 is 3 mm, and the arrangement density of the convex portions 3 is 12.5 pieces / cm 2 . In addition, the convex part 3 is arranged so that it may be located on the intersection of a square cell as FIG. 1 (a).

この床タイルは、磨きタイル特有の平滑性及び光沢を有し、美観に優れている。   This floor tile has smoothness and luster peculiar to polished tile, and is excellent in aesthetics.

この床タイルの表面の摩擦特性を次のようにして測定した。   The frictional properties of the floor tile surface were measured as follows.

測定するタイルに水を散布し、紳士靴の踵部分を測定片とし、該タイルに静置し、該測定片に体重８０ｋｇ相当の荷重を該測定片に対して垂直にかけ、該測定片を一定の速度で水平に引っ張り、このとき水平方向に引っ張るのに要した荷重を測定し、該測定片の垂直方向にかかっている荷重で割った数値を摩擦係数とする。この摩擦係数が大きければ摩擦抵抗が大きく、該タイルは滑りにくく、この摩擦係数が小さければ摩擦抵抗が小さく、該タイルは滑りやすい。   Sprinkle water on the tile to be measured, use the heel part of the men's shoes as a measurement piece, leave it on the tile, apply a weight equivalent to 80 kg on the measurement piece perpendicularly to the measurement piece, and keep the measurement piece constant. The load required to pull in the horizontal direction at this time is measured, and the value divided by the load applied in the vertical direction of the measurement piece is taken as the coefficient of friction. If this coefficient of friction is large, the frictional resistance is large and the tile is difficult to slip, and if this coefficient of friction is small, the frictional resistance is small and the tile is easy to slip.

この方法で実施例１の床タイルを測定したところ、摩擦係数は０．７６であった。   When the floor tile of Example 1 was measured by this method, the friction coefficient was 0.76.

実施例２〜６、比較例１〜３
凸部３の大きさ（基底部面積）、高さ、配置密度を表１のように変えた他は実施例１と同様にして床タイルを製造し、表面の摩擦特性を測定した。結果を表１に示す。 Examples 2-6, Comparative Examples 1-3
Floor tiles were produced in the same manner as in Example 1 except that the size (base area), height, and arrangement density of the protrusions 3 were changed as shown in Table 1, and the friction characteristics of the surfaces were measured. The results are shown in Table 1.

Figure 2010116308
Figure 2010116308

表１の通り、本発明の床タイルは、美観が良好であり、しかも靴を履いて歩行する場合の滑り止め特性に優れる。   As shown in Table 1, the floor tile of the present invention has a good aesthetic appearance and excellent slip resistance when walking with shoes on.

（ａ）は実施の形態に係る床タイルの斜視図、（ｂ）はこの床タイルの拡大断面図である。(A) is a perspective view of the floor tile which concerns on embodiment, (b) is an expanded sectional view of this floor tile. 従来の床タイルの断面図である。It is sectional drawing of the conventional floor tile. 従来の床タイルの断面図である。It is sectional drawing of the conventional floor tile. 従来の床タイルの断面図である。It is sectional drawing of the conventional floor tile. 従来の床タイルの断面図である。It is sectional drawing of the conventional floor tile. 別の実施の形態に係る床タイルの拡大断面図である。It is an expanded sectional view of the floor tile which concerns on another embodiment.

符号の説明Explanation of symbols

１，１Ａ タイル素地
２ 釉層
３ 凸部 1,1A tile base 2 cocoon layer 3 convex

Claims (8)

表面に滑り止め用の凸部が設けられた床タイルにおいて、凸部の高さが０．１〜１ｍｍ、凸部の基底部の面積が０．２８〜５０ｍｍ２、隣接する直近の凸部同士の平均距離が１〜１０ｍｍであることを特徴とする床タイル。 In floor tiles with anti-slip protrusions on the surface, the height of the protrusions is 0.1 to 1 mm, the area of the base of the protrusions is 0.28 to 50 mm 2 , and adjacent adjacent protrusions Floor tiles characterized by an average distance of 1 to 10 mm. 請求項１において、凸部の配置密度が１〜１００個／ｃｍ２であることを特徴とする床タイル。 According to claim 1, floor tile arrangement density of the projections is characterized by a 1 to 100 / cm 2. 請求項１又は２において、凸部と、その周囲の床タイル表面とが同系色であることを特徴とする床タイル。   The floor tile according to claim 1 or 2, wherein the convex portion and the surrounding floor tile surface have a similar color. 請求項１ないし３のいずれか１項において、凸部以外の床タイル表面が研磨面となっていることを特徴とする床タイル。   The floor tile according to any one of claims 1 to 3, wherein the floor tile surface other than the convex portion is a polished surface. 請求項４において、該床タイルは施釉タイルであり、
タイル素地と、該タイル素地の表面に設けられた、表面が研磨された釉層と、該釉層の表面に融着した、該釉層の釉よりも低融点の釉よりなる前記凸部と
を備えてなることを特徴とする床タイル。 The floor tile according to claim 4, wherein the floor tile is a glazed tile.
A tile substrate, a ridge layer provided on the surface of the tile substrate, the surface of which is polished, and the convex portion fused to the surface of the ridge layer and made of ridges having a melting point lower than that of the ridge layer. A floor tile characterized by comprising: 請求項４において、該床タイルは施釉していない無釉タイルであり、
タイル素地表面が研磨されたタイル素地と、該タイル素地の表面に融着した、融点がタイル素地の焼結温度よりも低い釉よりなる前記凸部と
を備えてなることを特徴とする床タイル。 The floor tile according to claim 4, wherein the floor tile is an unglazed tile.
A floor tile comprising: a tile substrate having a polished surface of the tile substrate; and the convex portion fused with the tile substrate and having a melting point lower than a sintering temperature of the tile substrate. . 請求項５の床タイルを製造する方法であって、
タイル素地と、該タイル素地に設けられた、表面が研磨された釉層とを有する原タイルを用い、
研磨された釉層の表面に、凸部を形成するための釉薬を印刷し、
印刷された釉薬を釉層に焼き付けるように焼成する
ことを特徴とする床タイルの製造方法。 A method of manufacturing a floor tile according to claim 5, comprising:
Using an original tile having a tile base and a glazed layer with a polished surface provided on the tile base,
Print the glaze to form the convex part on the surface of the polished glaze layer,
A method for producing a floor tile, wherein the printed glaze is baked so as to be baked on the cocoon layer. 請求項６の床タイルを製造する方法であって、
表面が研磨されたタイル素地よりなる無釉の原タイルを用い、
研磨されたタイル素地の表面に、凸部を形成するための釉薬を印刷し、
印刷された釉薬をタイル素地に焼き付けるように焼成する
ことを特徴とする床タイル製造方法。 A method of manufacturing the floor tile of claim 6, comprising:
Using unfinished original tiles made of tiled surfaces with polished surfaces,
Print glaze to form convex parts on the surface of the polished tile base,
A method for producing a floor tile, wherein the printed glaze is baked so as to be baked on the tile substrate.
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