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JP2004076498A - Ceramic building plate, and printing method and printing roll for the same - Google Patents

Ceramic building plate, and printing method and printing roll for the same Download PDF

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JP2004076498A
JP2004076498A JP2002241042A JP2002241042A JP2004076498A JP 2004076498 A JP2004076498 A JP 2004076498A JP 2002241042 A JP2002241042 A JP 2002241042A JP 2002241042 A JP2002241042 A JP 2002241042A JP 2004076498 A JP2004076498 A JP 2004076498A
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ink
printing
design
building board
ceramic building
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JP4060147B2 (en
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Daizo Mizuno
水野 大造
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Nichiha Corp
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Nichiha Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceramic building plate hard to be recognized as a printed matter with ink and capable of providing an appearance design having natural aspects such as the appearance design of burned bricks and natural stones, and to provide a printing method and a printing roll for the same. <P>SOLUTION: This ceramic building plate 1 has a plurality of design projections 23 divided by a plurality of continuous joint parts 22 and a plurality of crossing joint parts 23, and the design projection 21 is formed with a designed pattern 301 by printing ink with the printing roll 4. The ceramic building plate 1 is formed with the designed pattern 301 in the design projection 21 even at an end 211 close to the continuous joint part 22, and the designed pattern part 301 has a non-continuous design pattern 302 which is not continuously formed even in an adjacent design projection 210 formed adjacent to the described design projection 21 through the continuous joint part 22. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【技術分野】
本発明は,目地部によって区画した複数の意匠凸部にインク印刷を行った意匠模様を形成してなる窯業系建築板並びにその印刷方法及び印刷ロールに関する。
【0002】
【従来技術】
図14に示すごとく,建築物の外壁に施工する建築板9においては,例えば,施工した際に横方向に位置する横目地部922と,縦方向に位置する縦目地部923とにより区画した複数の意匠凸部921を有するものがある。そして,この複数の意匠凸部921には,種々のロール印刷を行って,建築板9が自然に近い深みのある外観や,高級感のある外観等を呈するよう工夫している。このような建築板9としては,例えば,特許第2995534号公報に示されたものがある。
【0003】
【解決しようとする課題】
しかしながら,上記従来の建築板9においては,ロール印刷によるインクの意匠模様901は,その印刷の容易さより,複数の意匠凸部921に跨って形成している。すなわち,上記意匠模様901は,複数の意匠凸部921の間を連続して形成されたものとなる。そのため,この建築板9は,印刷により製造したものとわかってしまうことがほとんどであり,上記複数の意匠凸部921が焼成レンガや,天然石等の外観意匠性に代表されるような自然な深みのある外観意匠性を呈するには不十分である。
【0004】
本発明は,かかる従来の問題点に鑑みてなされたもので,インク印刷されたものとはわかり難く,焼成レンガや,天然石等の外観意匠性に代表されるような自然な深みのある外観意匠性を呈することができる窯業系建築板並びにその印刷方法及び印刷ロールを提供しようとするものである。
【0005】
【課題の解決手段】
第1の発明は,一方の端部から他方の端部まで連続して形成した連続目地部と,該連続目地部に交錯する方向に形成した交錯目地部とによって区画した複数の意匠凸部を有し,該意匠凸部には,インク印刷を行った意匠模様を形成してなる窯業系建築板において,
上記意匠凸部には,上記連続目地部に近接する端部まで上記意匠模様が形成してあり,かつ,該意匠模様は,当該意匠凸部と上記連続目地部を介して隣り合う隣接意匠凸部までは連続して形成されていないことを特徴とする窯業系建築板にある(請求項1)。
【0006】
本発明の窯業系建築板においては,上記意匠凸部とこれに上記連続目地部を介して隣接する隣接意匠凸部との間は,上記意匠模様が連続していない。そのため,上記意匠凸部と上記隣接意匠凸部とにより,外観意匠性が突如変化した,メリハリのある外観を呈することができる。
それ故,上記窯業系建築板は,インク印刷されたものとはわかり難く,焼成レンガや,天然石等の外観意匠性に代表されるような自然な深みのある外観意匠性を呈することができる。
【0007】
第2の発明は,一方の端部から他方の端部まで連続して形成した連続目地部と,該連続目地部に交錯する方向に形成した交錯目地部とによって区画した複数の意匠凸部を有し,該意匠凸部には,印刷ロールによるインク印刷を行った意匠模様を形成してなる窯業系建築板であって,
上記意匠凸部には,上記連続目地部に近接する端部まで上記意匠模様が形成してあり,かつ,該意匠模様は,当該意匠凸部と上記連続目地部を介して隣り合う隣接意匠凸部までは連続して形成されていない窯業系建築板の印刷方法において,
上記印刷ロールは,その軸方向において,上記窯業系建築板における連続目地部を介して区画される複数の意匠凸部列に,それぞれインク印刷を行うための複数の印刷ロール領域に区画してあると共に,
上記印刷ロール領域には,これに隣接する隣接印刷ロール領域との境界線の近傍までインクを保持させると共に,該インクにおける上記境界線の近傍の端部には,当該インクが上記境界線に近づいたり離れたりして波状に変化した波状インク端部を形成し,
上記窯業系建築板をその上記連続目地部の形成方向に沿って上記印刷ロールに送入すると共に,上記意匠凸部に上記印刷ロール領域に保持したインクを付着させて,上記意匠模様を印刷することを特徴とする窯業系建築板の印刷方法にある(請求項2)。
【0008】
本発明においては,上記窯業系建築板にインク印刷を行うに当たり,上記複数の印刷ロール領域に区画した印刷ロールを用いる。そして,この印刷ロールによってインク印刷を行って,上記意匠凸部の端部まで形成した意匠模様が,上記隣接意匠凸部までは連続して形成されていない窯業系建築板を製造する。
そして,本発明において,注目すべき点は,上記印刷ロール領域の端部まで保持したインクに,上記波状インク端部を形成していることにある。
【0009】
すなわち,一般に,上記印刷ロールに形成した印刷ロール領域と上記窯業系建築板における意匠凸部とを,上記印刷ロールの軸方向にずれなく対応させてインク印刷を行うことは困難である。つまり,このことは,上記意匠凸部の端部までインク印刷を行い,これに隣り合う隣接意匠凸部にはインク印刷を行わないでおくことが困難であることを意味する。
【0010】
そこで,本発明においては,上記波状インク端部を形成しており,例えば,上記窯業系建築板の送入の際に,上記インク印刷を行わない隣接意匠凸部が,上記インクを保持させた印刷ロール領域に近づく方向にずれて送入された場合でも,上記隣接意匠凸部には,上記波状インク端部におけるインクの一部が付着される。そのため,この隣接意匠凸部には,波状に,あるいはまだらにしかインクが付着することがない。そのため,上記隣接意匠凸部にインクが付着しながらも,この付着がほとんど目立たないようにすることができる。
【0011】
また,上記送入のずれが発生した場合に,上記連続目地部と上記隣接意匠凸部との間に形成された傾斜部にインクが付着することもある。この場合でも,傾斜部において,波状に,あるいはまだらにしかインクが付着することがなく,この付着がほとんど目立たないようにすることができる。
【0012】
一方で,上記送入の際に,上記インク印刷を行わない隣接意匠凸部が,上記と反対の方向,すなわち上記インクを保持させた印刷ロール領域より離れる方向にずれて送入された場合でも,上記インク印刷を行う意匠凸部における上記連続目地部の近傍の端部には,上記波状インク端部により波状にインクが付着される。そのため,上記意匠凸部における連続目地部の近傍の端部に,インクの付着がない無インク部分が形成されることを抑制することができる。そのため,インクの付着が少ないながらも,上記意匠凸部には,上記連続目地部の近傍の端部まで意匠模様を形成することができる。
【0013】
上記のようにして,上記窯業系建築板が上記印刷ロールの軸方向におけるいずれかの方向にずれて送入されたとしても,上記意匠凸部における上記連続目地部の近傍の端部まで上記インクを付着させて上記意匠模様を形成し,この意匠模様が上記隣接意匠凸部までは連続して形成されていない窯業系建築板を製造することができる。
それ故,本発明の印刷方法によれば,インク印刷されたものとはわかり難く,焼成レンガや,天然石等の外観意匠性に代表されるような自然な深みのある外観意匠性を呈することができる窯業系建築板を製造することができる。
【0014】
第3の発明は,上記窯業系建築板の印刷方法に用いる印刷ロールであって,
該印刷ロールの印刷ロール領域には,これに隣接する隣接印刷ロール領域との境界線の近傍まで,上記意匠模様を形成するための多数の凹部よりなるインク保持部を有すると共に,該インク保持部における上記境界線の近傍の端部には,当該インク保持部が上記境界線に近づいたり離れたりして波状に変化した波状インク保持端部を有していることを特徴とする窯業系建築板の印刷ロールにある(請求項6)。
【0015】
本発明においては,上記印刷方法の発明に用いる印刷ロールにおける印刷ロール領域に,上記インク保持部及び上記波状インク保持端部を形成している。そして,これらに保持させたインクを上記窯業系建築板に付着させることにより上記意匠凸部における上記連続目地部の近傍の端部まで上記意匠模様を形成し,この意匠模様が上記隣接意匠凸部までは連続して形成されていない窯業系建築板を製造することができる。
それ故,本発明の印刷ロールを用いれば,上記印刷方法の発明に示した優れた作用効果を得ることができる。
【0016】
【発明の実施の形態】
上述した本発明における好ましい実施の形態につき説明する。
上記第1の発明において,上記インク印刷は,上記窯業系建築板を,その連続目地部の形成方向に沿って印刷ロールに送入して行うことが好ましい。この場合には,上記窯業系建築板を容易に量産することができる。
【0017】
また,上記第2の発明においては,上記波状インク端部よりもさらに上記境界線に近い部分には,インク量を少なくした少量インク部を形成すると共に,該少量インク部の先端部には,当該少量インク部におけるインクが上記境界線に近づいたり離れたりして波状に変化した少量波状インク端部を形成していることが好ましい(請求項3)。
【0018】
この場合には,上記窯業系建築板を上記印刷ロールに送入する際に,例えば,上記インク印刷を行わない隣接意匠凸部が,上記インクを保持させた印刷ロール領域に近づく方向にずれて送入された場合でも,上記隣接意匠凸部には,上記少量波状インク端部におけるインクの一部が付着される。そのため,この隣接意匠凸部には,上記インクが薄く,かつ波状に,あるいはまだらにしか付着することがない。そのため,上記隣接意匠凸部にインクが付着しながらも,この付着が一層目立たないようにすることができる。
【0019】
また,上記送入のずれが発生した場合に,上記連続目地部と隣接意匠凸部との間に形成された傾斜部にインクが付着した場合でも,この傾斜部において,上記インクが薄く,かつ波状に,あるいはまだらにしかインクが付着することがなく,この付着が一層目立たないようにすることができる。
【0020】
また,上記印刷ロールの印刷ロール領域を区画する上記境界線は,上記窯業系建築板の連続目地部の中心線に対応するよう設けることが好ましい(請求項4)。この場合には,上記窯業系建築板を上記印刷ロールに送入する際に,上記窯業系建築板が上記印刷ロールの軸方向におけるどちらの方向にずれて送入されても,上記意匠凸部における上記連続目地部の近傍の端部まで上記意匠模様を形成すると共に,この意匠模様が上記隣接意匠凸部までは連続して形成されていない窯業系建築板を容易に製造することができる。
【0021】
また,上記連続目地部の幅は,部分的に広くなった幅広部と部分的に狭くなった狭小部とにより変化しており,上記狭小部の幅は4〜6mmであることが好ましい(請求項5)。
上記優れた作用効果を呈する窯業系建築板の印刷方法は,上記連続目地部における狭小部の幅が4〜6mmと狭いときに,特に有効である。すなわち,上記窯業系建築板が上記印刷ロールの軸方向に対してずれて送入されるずれの範囲は,一般に左右に4.5mm程度までの範囲と考えられる。そのため,上記のように狭小部が狭いときに特に有効である。
【0022】
上記第3の発明においては,上記波状インク保持端部よりもさらに上記境界線に近い部分には,上記インク保持部よりも上記凹部の密度が低い少量インク保持部を形成していると共に,該少量インク保持部の先端部には,当該少量インク保持部における凹部が上記境界線に近づいたり離れたりして波状に変化した少量波状インク保持端部を形成していることが好ましい(請求項7)。
【0023】
この場合には,上記窯業系建築板を印刷ロールに送入する際に,上記インク印刷を行わない隣接意匠凸部が,上記インクを保持させた印刷ロール領域に近づく方向にずれて送入された場合でも,上記隣接意匠凸部には,上記少量波状インク保持端部におけるインクの一部が付着される。そのため,この隣接意匠凸部には,上記インクが薄く,かつ波状に,あるいはまだらにしか付着することがない。そのため,上記隣接意匠凸部にインクが付着しながらも,この付着が一層目立たないようにすることができる。
【0024】
【実施例】
以下に,図1〜図13を用いて,本発明の窯業系建築板並びにその印刷方法及び印刷ロールにかかる実施例につき説明する。
図1に示すごとく,本例において製造する窯業系建築板1は,一方の端部11から他方の端部11まで連続して形成した複数の連続目地部22と,この複数の連続目地部22にそれぞれ交錯する方向に形成した複数の交錯目地部23とによって区画した複数の意匠凸部21を有する。上記連続目地部22及び交錯目地部23のいずれもは,上記意匠凸部21より凹んだ凹状溝により形成されている。そして,上記複数の意匠凸部21には,以下のインク印刷を行った意匠模様301が形成してある。
【0025】
本例において製造する窯業系建築板1は,各意匠凸部21に,上記連続目地部22に近接する端部211まで上記意匠模様301を形成しているが,この意匠模様301は,各意匠凸部21と上記連続目地部22を介して隣り合う隣接意匠凸部210までは連続して形成していないものである。すなわち,本例において製造する窯業系建築板1は,互いに隣接する意匠凸部21同士の間で上記意匠模様301が不連続である不連続意匠模様302を有するものである。
【0026】
そして,本例においては,上記インク印刷を以下の印刷ロール4を用いて行う。
図5に示すごとく,本例の印刷ロール4は,グラビアロール5とオフセットロール6とを用いて構成してある。そして,上記インク印刷は,グラビアロール5に保持したインク3をオフセットロール6に転写し,このオフセットロール6に上記窯業系建築板1を圧接させてインク印刷を行うグラビアオフセット印刷である。
【0027】
図3に示すごとく,本例で用いるグラビアロール5は,その軸方向において,上記窯業系建築板1における連続目地部22を介して区画される複数の意匠凸部列201(図1参照)に,それぞれインク印刷を行うための複数の印刷ロール領域51に区画してある。なお,上記複数の意匠凸部列201は,それぞれ複数の意匠凸部21によって形成されている。
【0028】
そして,上記グラビアロール5の印刷ロール領域51には,これに隣接する隣接印刷ロール領域510との境界線52の近傍まで,上記意匠模様301を形成するための多数の凹部よりなるインク保持部40が形成してある。このインク保持部40における上記境界線52の近傍の端部には,当該インク保持部40が上記境界線52に近づいたり離れたりして波状に変化した波状インク保持端部41が形成してある。
こうして,グラビアロール5の各印刷ロール領域51には,複数のインク保持部40による柄模様401が形成してある。
【0029】
そして,図3に示すごとく,上記グラビアロール5を用いて上記窯業系建築板1にインク印刷を行うに際しては,上記印刷ロール領域51における上記インク保持部40にインク3を保持させて,上記印刷ロール領域51には,これに隣接する隣接印刷ロール領域510との境界線52の近傍までインク3を保持させる。このとき,上記波状インク保持端部41にもインク3は保持されており,上記印刷ロール領域51には,上記インク3が上記境界線52に近づいたり離れたりして波状に変化した波状インク端部31が形成される。
【0030】
そして,図4,図5に示すごとく,上記グラビアロール5に上記オフセットロール6を接触させて,グラビアロール5に保持したインク3を,ほぼそのままオフセットロール6に転写する。このとき,オフセットロール6には,上記グラビアロール5の境界線52に対応する境界線62の近傍において,上記波状インク端部31も転写される。
【0031】
そして,図4に示すごとく,インク3を保持した上記オフセットロール6に対して,上記窯業系建築板1を送入する。このとき,この窯業系建築板1は,その上記連続目地部22の形成方向に沿って上記オフセットロール6に対して送入する。これにより,上記窯業系建築板1の各意匠凸部21に,上記グラビアロール5の各印刷ロール領域51に保持したインク3を付着させて,上記意匠模様301を印刷する。そして,上記不連続意匠模様302を有する窯業系建築板1を製造する。
【0032】
なお,本例にいう上記隣接意匠凸部210は,上記複数の意匠凸部21のうちの特別な意匠凸部21をいうのではなく,上記意匠模様301を印刷する意匠凸部21の部分に,上記連続目地部22を介して隣り合う意匠凸部21の部分をいう。そして,図1に示すごとく,上記不連続意匠模様302は,複数の意匠凸部21の部分とこれらにそれぞれ隣り合う各意匠凸部21の部分との間に形成されている。
【0033】
以下に,これを詳説する。
図2に示すごとく,上記窯業系建築板1においては,その長手方向に複数の中心線221を設定し,この中心線221に沿って上記連続目地部22を形成している。本例では,この連続目地部22の幅は,部分的に広くなった幅広部222と部分的に狭くなった狭小部223とにより変化させている。本例の幅広部222の幅は8〜16mmの範囲内で変化しており,本例の狭小部223の幅は4〜6mmの範囲内で変化している。
【0034】
そして,上記中心線221は,上記狭小部223の幅方向における中心を通るよう設定されており,上記中心線221から上記意匠凸部21の端部211及び上記隣接意匠凸部210の端部212までの幅Wは,少なくとも2mm以上となっている。
また,上記窯業系建築板1においては,上記交錯目地部23に交錯する方向,すなわち上記連続目地部22の形成方向において,補助目地部231が形成されている部分もある。
【0035】
また,図3に示すごとく,本例のグラビアロール5の各印刷ロール領域51においては,上記波状インク保持端部41よりもさらに上記境界線52に近い部分には,上記インク保持部40よりも上記複数の凹部の密度が低い少量インク保持部42が形成してある。そして,この少量インク保持部42の先端部420には,当該少量インク保持部42における凹部が上記境界線52に近づいたり離れたりして波状に変化した少量波状インク保持端部421が形成してある。
【0036】
そして,同図に示すごとく,上記窯業系建築板1にインク印刷を行う際には,上記印刷ロール領域51における上記少量インク保持部42に上記インク3を保持することにより,上記波状インク保持端部41に保持したインク3による波状インク端部31よりもさらに上記境界線52に近い部分には,インク量を少なくした少量インク部32が形成される。そして,図4に示すごとく,この少量インク部32は,上記オフセットロール6に,ほぼそのまま転写される。
【0037】
さらに,図3に示すごとく,上記印刷ロール領域51における上記少量波状インク保持端部421に上記インク3を保持することにより,上記少量インク部32の先端部320には,当該少量インク部32におけるインク3が上記境界線52に近づいたり離れたりして波状に変化した少量波状インク端部321が形成される。そして,図4に示すごとく,この少量波状インク端部321も,上記オフセットロール6に,ほぼそのまま転写される。
【0038】
こうして,図3に示すごとく,上記各印刷ロール領域51における柄模様401は,上記インク保持部40及び上記少量インク保持部42により形成されている。また,柄模様401は,上記窯業系建築板1の表面に形成する意匠模様301の形状に沿って形成されており,互いに隣接する各印刷ロール領域51における柄模様401はそれぞれ異なっている。
【0039】
また,図4に示すごとく,上記グラビアロール5における上記境界線52及び上記オフセットロール6における上記境界線62は,上記窯業系建築板1の連続目地部22の中心線221に対応するよう設けてある。すなわち,上記グラビアロール5における各印刷ロール領域51の形成間隔は,上記連続目地部22により上記窯業系建築板1に上記各意匠凸部列201を形成した間隔とほぼ同じ間隔になっている。
これにより,上記窯業系建築板1を上記印刷ロール4に送入する際に,窯業系建築板1が印刷ロール4の軸方向におけるどちらの方向にずれて送入されても,上記不連続意匠模様302を容易に形成することができる。
【0040】
また,図5は,窯業系建築板1の印刷装置8を示す。同図に示すごとく,上記グラビアロール5の外周表面501には,インク3を貯留したインク貯留部53よりインク3を掻き出してこれを当該グラビアロール5の柄模様401に保持させるインクロール54が当接している。また,グラビアロール5の外周表面501には,上記柄模様401に保持されなかった不要なインク3を掻き落とすためのドクターブレード55が設けてある。
【0041】
また,上記オフセットロール6の外周表面601には,インク3を窯業系建築板1に付着させた後の不要なインク3を付着させて除去するクリーニングロール56が当接しており,このクリーニングロール56には上記除去した不要なインク3を掻き落とすためのドクターブレード57が設けてある。
【0042】
また,同図に示すごとく,上記窯業系建築板1は,コンベアー7を用いて上記オフセットロール6に送入され,上記窯業系建築板1は,コンベアー7とオフセットロール6との間に挟まれて,オフセットロール6に圧接されるようになっている。本例のコンベアー7は,ロール71にゴム製のベルト72を掛けて構成したベルトコンベアーである。これにより,インク印刷時に発生する窯業系建築板1の横ずれ(窯業系建築板1が上記オフセットロール6の軸方向に対してずれること)を防止している。
【0043】
また,上記オフセットロール6の外周表面601の硬度は,30〜50度にすることが好ましい。本例では,このオフセットロール6の外周部はゴムにより形成してあり,その外周表面601の硬度は約40度としている。上記硬度が30〜50度であることにより,上記インク印刷を容易に行うことができる。
なお,上記硬度の単位である度は,JIS規格におけるJIS K6301「加硫ゴム物理試験方法」に従うものであり,本例では,JISスプリング式硬さ試験機A形を用いて上記硬度の測定を行った。
【0044】
また,上記グラビアロール5におけるインク保持部40及び少量インク保持部42を形成する複数の凹部は,1インチ(25.4mm)当たり150線として形成してある。そして,インク保持部40の凹部の深さは,40〜50μmの範囲で変化しており,上記少量インク保持部42の深さは,10〜15μmの範囲で変化している。また,上記波状インク保持端部41及び上記少量波状インク保持端部421は,波状に上記凹部を形成している。
【0045】
次に,上記窯業系建築板1を製造する方法につき詳説する。
図6に示すごとく,本例の窯業系建築板1は,セメント質原料(セメント,ケイ酸原料等)に,木質原料(木繊維,木チップ等),添加剤及び水等を混合して混合原料とし,これを成形型の成形板上に散布して成形(フォーミング)したものである。そして,この窯業系建築板1の意匠凸部21には,部分的に深く凹んだり突出したりして形状が複雑に変化した多数の微小な凹凸が形成されている。
【0046】
そして,上記印刷ロール4によるインク印刷を行う前には,上記成形後の窯業系建築板1に,下地処理としてシーラー液を塗布し,上記連続目地部22及び上記交錯目地部23の目地色の塗装を行って乾燥させる。さらに,中塗りとして各意匠凸部21に,この意匠凸部21の下地色の塗装を行って乾燥させる。
【0047】
また,本例では,図5に示すごとく,上記印刷ロール4によりインク印刷を行う直前に,上記窯業系建築板1に一層深みのある外観を表現するために,上記意匠模様301に類似する抽象的な意匠模様の抽象柄インク印刷を行う。この抽象柄インク印刷は,上記意匠模様301のインク印刷と同様に,グラビアロール50,オフセットロール60,インク貯留部53,インクロール54,ドクターブレード55,クリーニングロール56及びドクターブレード57を用いて,グラビアオフセット印刷により行う。
【0048】
ところで,上記不連続意匠模様302を形成するに当たり,従来の印刷方法を実施したのでは,以下のような不具合が生ずる場合があった。
すなわち,上記窯業系建築板1を上記オフセットロール6に送入する際には,窯業系建築板1の連続目地部22の中心線221が,当該オフセットロール6の境界線62の位置に来ることを目標にして,送入を行う。しかし,窯業系建築板1をオフセットロール6に送入する際に発生する横ずれ(例えば,最大で2〜3mmずれることがある。)及び窯業系建築板1の寸法誤差により(例えば,最大で1〜1.5mmの寸法誤差がある。),窯業系建築板1の連続目地部22の中心線221が,上記境界線62から最大で左右に4.5mmぐらい横ずれを起こすことがあった。
【0049】
そして,図7のA部分に示すごとく,インク印刷を行わない隣接意匠凸部210の部分が,上記インク3を保持させた印刷ロール領域51の部分に近づく方向にずれて送入された場合には,インク印刷を行う意匠凸部21にインク3が付着されるだけでなく,上記隣接意匠凸部210の端部212にも,インク3が明確に付着されてしまっていた。この場合には,上記隣接意匠凸部210の端部212にも意匠模様301が形成されてしまい,上記不連続意匠模様302を形成することができなかった。そして,この場合には,上記意匠模様301がインク印刷により形成されたものであることがわかってしまっていた。
【0050】
一方で,図7のB部分に示すごとく,インク印刷を行わない隣接意匠凸部210の部分が,上記と反対の方向,すなわち上記インク3を保持させた印刷ロール領域51の部分より離れる方向にずれて送入された場合には,インク印刷を行う意匠凸部21における上記連続目地部22の近傍の端部211には,上記インク3の付着がない部分が形成されてしまっていた。この場合には,印刷を行った意匠凸部21における意匠模様301が不自然になり,この意匠模様301がインク印刷により形成されたものであることがわかってしまっていた。
【0051】
本例の印刷方法は,上記窯業系建築板1が上記印刷ロール4の軸方向に対して左右のどちらにずれて送入されても,上記不連続意匠模様302を形成できる方法である。
すなわち,図8に示すごとく,本例においては,上記グラビアロール5の波状インク保持端部41に保持したインク3を,上記オフセットロール6に転写して上記波状インク端部31を形成している。また,上記グラビアロール5の少量波状インク保持端部421に保持したインク3を,上記オフセットロール6に転写して上記少量波状インク端部321を形成している。
【0052】
そして,図10に示すごとく,上記窯業系建築板1の送入の際に,例えば,上記インク印刷を行わない隣接意匠凸部210の部分が,上記インク3を保持させた印刷ロール領域51の部分に近づく方向にずれて送入された場合でも,上記隣接意匠凸部210には,上記少量波状インク端部321におけるインク3の一部が付着される。
そのため,この隣接意匠凸部210には,波状に,あるいはまだらにしかインク3が付着することがなく,かつ少量のインク3が付着されるのみである。そのため,上記隣接意匠凸部210に対するインク3の付着がほとんど目立たないようにすることができる。
【0053】
また,図12に示すごとく,上記送入のずれが発生した場合に,上記連続目地部22と上記隣接意匠凸部210との間に形成された傾斜部213にインク3が付着することもある。この場合でも,傾斜部213において,波状に,あるいはまだらにしかインク3が付着することがなく,この付着がほとんど目立たないようにすることができる。
【0054】
一方で,図11に示すごとく,上記送入の際に,上記インク印刷を行わない隣接意匠凸部210の部分が,上記と反対の方向,すなわち上記インク3を保持させた印刷ロール領域51の部分より離れる方向にずれて送入された場合でも,上記インク印刷を行う意匠凸部21における上記連続目地部22の近傍の端部211には,上記波状インク端部321により波状にインク3が付着される。そのため,上記意匠凸部21における連続目地部22の近傍の端部211に,インク3の付着がない無インク3部分が形成されることを抑制することができる。そのため,インク3の付着が少ないながらも,上記意匠凸部21には,上記連続目地部22の近傍の端部211まで上記意匠模様301を形成することができる。
なお,図9は,上記送入の際に,上記横ずれがほとんど発生しなかった場合の意匠凸部21の部分におけるインク3の付着状態を示す。
【0055】
上記のようにして,上記窯業系建築板1が上記印刷ロール4の軸方向におけるいずれかの方向にずれて送入されたとしても,図1,図2に示すごとく,上記意匠凸部21における上記連続目地部22の近傍の端部211まで上記インク3を付着させて上記意匠模様301を形成し,この意匠模様301が上記隣接意匠凸部210までは連続して形成されていない不連続意匠模様302を有する窯業系建築板1を製造することができる。
それ故,本例の印刷方法によれば,インク印刷されたものとはわかり難く,焼成レンガや,天然石等の外観意匠性に代表されるような自然な深みのある外観意匠性を呈することができる窯業系建築板1を製造することができる。
【0056】
本例においては,上記連続目地部22によって区画された複数の意匠凸部列201のいずれに対してもインク印刷を行い,上記意匠模様301を形成した。これに対し,図13に示すごとく,上記意匠模様301は,意匠凸部列201の1つおきに形成することも勿論可能である。この場合でも,上記不連続意匠模様302により,窯業系建築板1は,焼成レンガや,天然石等の外観意匠性に代表されるような自然な深みのある外観意匠性を呈することができる。
なお,上記窯業系建築板1は,建築物の外壁に施工するときには,上記連続目地部22の形成方向を横方向に向けて施工する。
【図面の簡単な説明】
【図1】実施例における,窯業系建築板を示す説明図。
【図2】実施例における,窯業系建築板における不連続意匠模様を示す拡大説明図。
【図3】実施例における,印刷ロールにおけるグラビアロールを示す説明図。
【図4】実施例における,印刷ロールにおけるオフセットロール及び窯業系建築板を示す説明図。
【図5】実施例における,窯業系建築板の製造装置を示す説明図。
【図6】実施例における,インク印刷前の窯業系建築板を示す説明図。
【図7】実施例における,従来の印刷方法によりインク印刷を行った窯業系建築板を示す説明図。
【図8】実施例における,グラビアロールの境界線の近傍に,波状インク保持端部及び少量波状インク保持端部を形成した状態,及びオフセットロールの境界線の近傍に,波状インク端部及び少量波状インク端部を形成した状態を示す説明図。
【図9】実施例における,窯業系建築板の送入の際に,横ずれがほとんど発生しなかった場合の意匠凸部におけるインクの付着状態を示す説明図。
【図10】実施例における,窯業系建築板の送入の際に,インク印刷を行わない隣接意匠凸部の部分が,インクを保持させた印刷ロール領域の部分に近づく方向にずれて送入された場合の意匠凸部の部分における端部及び傾斜部へのインクの付着状態を示す説明図。
【図11】実施例における,窯業系建築板の送入の際に,インク印刷を行わない隣接意匠凸部の部分が,インクを保持させた印刷ロール領域の部分より離れる方向にずれて送入された場合の意匠凸部の部分におけるインクの付着状態を示す説明図。
【図12】実施例における,図10におけるA−A線矢視断面説明図。
【図13】実施例における,他の窯業系建築板を示す図で,意匠模様を意匠凸部列の1つおきに形成した窯業系建築板を示す説明図。
【図14】従来例における,窯業系建築板を示す説明図。
【符号の説明】
1...窯業系建築板,
11...端部,
201...意匠凸部列,
21...意匠凸部,
210...隣接意匠凸部,
22...連続目地部,
221...中心線,
23...交錯目地部,
3...インク,
301...意匠模様,
302...不連続意匠模様,
31...波状インク端部,
32...少量インク部,
321...少量波状インク端部,
4...印刷ロール,
401...柄模様,
40...インク保持部,
41...インク保持端部,
42...少量インク保持部,
421...少量波状インク保持端部,
5...グラビアロール,
51...印刷ロール領域,
510...隣接印刷ロール領域,
52...境界線,
6...オフセットロール,
62...境界線,
[0001]
【Technical field】
The present invention relates to a ceramic building board formed by forming a design pattern by performing ink printing on a plurality of design convex portions partitioned by joints, a printing method thereof, and a printing roll.
[0002]
[Prior art]
As shown in FIG. 14, in the building board 9 to be constructed on the outer wall of a building, for example, a plurality of sections divided by a horizontal joint portion 922 positioned in the horizontal direction and a vertical joint portion 923 positioned in the vertical direction when constructed. There are some which have the design convex part 921. Then, various roll printing is performed on the plurality of design convex portions 921 so that the building board 9 has a deep appearance close to nature, a high-quality appearance, and the like. An example of such a building board 9 is disclosed in Japanese Patent No. 2955534.
[0003]
[Problems to be solved]
However, in the conventional building board 9, the ink design pattern 901 by roll printing is formed across a plurality of design projections 921 due to the ease of printing. That is, the design pattern 901 is formed continuously between the plurality of design convex portions 921. Therefore, the building board 9 is almost always found to have been manufactured by printing, and the plurality of design convex portions 921 have a natural depth as represented by appearance design properties such as fired bricks and natural stones. It is insufficient to exhibit a certain appearance design.
[0004]
The present invention has been made in view of such conventional problems, and it is difficult to understand that it has been ink-printed. The appearance design has a natural depth as represented by the appearance design of fired bricks and natural stones. It is an object of the present invention to provide a ceramic building board capable of exhibiting properties, a printing method thereof, and a printing roll.
[0005]
[Means for solving problems]
In the first invention, a plurality of design convex portions defined by a continuous joint portion formed continuously from one end portion to the other end portion and an intersecting joint portion formed in a direction intersecting with the continuous joint portion are provided. In the design convex part of the ceramic industry building board formed with the design pattern on which the ink printing is performed,
The design convex portion is formed with the design pattern up to an end portion close to the continuous joint portion, and the design pattern is adjacent to the design convex portion and the adjacent joint convex portion via the continuous joint portion. It is in the ceramic building board characterized by not being continuously formed to the part (Claim 1).
[0006]
In the ceramic building board of the present invention, the design pattern is not continuous between the design convex portion and the adjacent design convex portion adjacent thereto via the continuous joint portion. For this reason, the design convexity and the adjacent design convexity can provide a sharp appearance with a sudden change in appearance design.
Therefore, it is difficult to understand that the ceramic building board is printed with ink, and can exhibit an appearance design with a natural depth as represented by an appearance design such as fired bricks and natural stone.
[0007]
In a second aspect of the present invention, a plurality of design convex portions defined by a continuous joint portion formed continuously from one end portion to the other end portion and an intersecting joint portion formed in a direction intersecting with the continuous joint portion are provided. The design convex part is a ceramic building board formed by forming a design pattern on which ink printing is performed by a printing roll,
The design convex portion is formed with the design pattern up to an end portion close to the continuous joint portion, and the design pattern is adjacent to the design convex portion and the adjacent joint convex portion via the continuous joint portion. In the printing method of ceramic building boards that are not continuously formed up to
In the axial direction, the printing roll is partitioned into a plurality of design convex rows that are partitioned via continuous joints in the ceramic building board, and each is divided into a plurality of printing roll regions for performing ink printing. Along with
The printing roll area holds ink up to the vicinity of the boundary line with the adjacent printing roll area adjacent thereto, and the ink approaches the boundary line at the end of the ink near the boundary line. Forming a wavy ink edge that changes into a wavy shape
The ceramic building board is fed into the printing roll along the formation direction of the continuous joint portion, and the design pattern is printed by attaching the ink held in the printing roll region to the design convex portion. The present invention resides in a ceramic building board printing method characterized in that (claim 2).
[0008]
In the present invention, when performing ink printing on the ceramic building board, a printing roll partitioned into the plurality of printing roll regions is used. Then, ink printing is performed by the printing roll, and a ceramic building board is manufactured in which the design pattern formed up to the end of the design convex portion is not continuously formed up to the adjacent design convex portion.
In the present invention, it should be noted that the wavy ink end is formed in the ink held up to the end of the printing roll region.
[0009]
That is, in general, it is difficult to perform ink printing by causing the printing roll region formed on the printing roll and the design convex portion on the ceramic building board to correspond to each other without deviation in the axial direction of the printing roll. That is, this means that it is difficult to perform ink printing up to the end portion of the design convex portion and not perform ink printing on the adjacent design convex portion adjacent thereto.
[0010]
Therefore, in the present invention, the wavy ink end portion is formed. For example, when the ceramic building board is fed, the adjacent design convex portion that does not perform the ink printing holds the ink. Even when the paper is fed in a direction approaching the printing roll region, a part of the ink at the wavy ink edge is attached to the adjacent design convex portion. For this reason, ink adheres to the adjacent design convex portion only in a wavy or mottled manner. Therefore, it is possible to make the adhesion hardly noticeable while the ink adheres to the adjacent design convex portion.
[0011]
In addition, when the feeding deviation occurs, the ink may adhere to the inclined portion formed between the continuous joint portion and the adjacent design convex portion. Even in this case, the ink adheres only in a wavy or mottled manner on the inclined portion, and this adhesion can be made inconspicuous.
[0012]
On the other hand, even when the adjacent design convex portion that does not perform the ink printing is shifted in the direction opposite to the above, that is, the direction away from the printing roll region holding the ink, at the time of the feeding, The wave-like ink is attached to the end portion of the design convex portion for performing the ink printing in the vicinity of the continuous joint portion by the wavy ink end portion. Therefore, it is possible to suppress the formation of an ink-free portion where no ink adheres to the end portion of the design convex portion near the continuous joint portion. Therefore, a design pattern can be formed on the design convex portion up to the end portion near the continuous joint portion, while the ink adhesion is small.
[0013]
As described above, even if the ceramic building board is fed in any direction in the axial direction of the printing roll, the ink is extended to the end of the design convex portion near the continuous joint. Is attached to form the design pattern, and a ceramic building board in which the design pattern is not continuously formed up to the adjacent design convex portion can be manufactured.
Therefore, according to the printing method of the present invention, it is difficult to understand that the ink is printed, and it is possible to exhibit an appearance design with a natural depth as represented by the appearance design such as fired bricks and natural stones. Can produce ceramic building boards.
[0014]
3rd invention is a printing roll used for the printing method of the said ceramics building board,
The printing roll area of the printing roll has an ink holding part composed of a plurality of recesses for forming the design pattern up to the vicinity of the boundary line with the adjacent printing roll area adjacent thereto, and the ink holding part A ceramic building board characterized in that at the end portion in the vicinity of the boundary line, the ink holding portion has a wavy ink holding end portion that has changed into a wave shape as it approaches or leaves the boundary line. (6).
[0015]
In the present invention, the ink holding portion and the wavy ink holding end portion are formed in the printing roll region of the printing roll used in the invention of the printing method. And the design pattern is formed to the edge part of the vicinity of the continuous joint part in the design convex part by making the ink held by these adhere to the ceramic industry building board, and the design pattern is the adjacent design convex part. Until then, ceramic building boards that are not continuously formed can be manufactured.
Therefore, if the printing roll of the present invention is used, the excellent operational effects shown in the invention of the printing method can be obtained.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the present invention described above will be described.
In the first invention, the ink printing is preferably performed by feeding the ceramic building board into a printing roll along the formation direction of the continuous joint portion. In this case, the ceramic building board can be easily mass-produced.
[0017]
In the second aspect of the invention, a small amount of ink portion with a reduced amount of ink is formed at a portion closer to the boundary line than the wavy ink end portion, and the tip portion of the small amount ink portion is It is preferable that a small amount of wave-like ink end portion that changes in a wave shape as the ink in the small amount of ink portion approaches or separates from the boundary line is formed.
[0018]
In this case, when the ceramic building board is fed into the printing roll, for example, the adjacent design convex portion that does not perform the ink printing is shifted in a direction approaching the printing roll region holding the ink. Even when the ink is fed in, a part of the ink at the end portion of the small amount of wave-like ink adheres to the adjacent design convex portion. For this reason, the ink is thin and wavy or mottled on the adjacent design convex portion. Therefore, it is possible to make the adhesion less noticeable while the ink adheres to the adjacent design convex portion.
[0019]
In addition, when the feeding deviation occurs, even if the ink adheres to the inclined portion formed between the continuous joint portion and the adjacent design convex portion, the ink is thin in the inclined portion, and Ink adheres only in a wavy or mottled manner, and this adhesion can be made less noticeable.
[0020]
Moreover, it is preferable to provide the said boundary line which divides the printing roll area | region of the said printing roll so that it may correspond to the centerline of the continuous joint part of the said ceramics-type building board (Claim 4). In this case, when the ceramic building board is fed into the printing roll, the design convex portion is formed regardless of which direction the ceramic building board is shifted in the axial direction of the printing roll. It is possible to easily manufacture a ceramic building board in which the design pattern is formed up to the end portion in the vicinity of the continuous joint portion and the design pattern is not continuously formed up to the adjacent design convex portion.
[0021]
Further, the width of the continuous joint portion varies depending on a wide portion that is partially widened and a narrow portion that is partially narrowed, and the width of the narrow portion is preferably 4 to 6 mm (claims). Item 5).
The printing method of the ceramic building board exhibiting the above excellent effect is particularly effective when the width of the narrow portion in the continuous joint portion is as narrow as 4 to 6 mm. That is, the range of the displacement in which the ceramic building board is fed with a displacement from the axial direction of the printing roll is generally considered to be a range of about 4.5 mm to the left and right. Therefore, it is particularly effective when the narrow portion is narrow as described above.
[0022]
In the third aspect of the invention, a small amount of ink holding portion having a density of the concave portion lower than that of the ink holding portion is formed in a portion closer to the boundary line than the wavy ink holding end portion, and Preferably, the tip of the small amount ink holding portion is formed with a small amount of wave-like ink holding end portion in which the concave portion in the small amount ink holding portion is changed into a wave shape by approaching or leaving the boundary line. ).
[0023]
In this case, when the ceramic building board is sent to the printing roll, the adjacent design convex portion not performing the ink printing is sent shifted in a direction approaching the printing roll area holding the ink. Even in this case, a part of the ink in the small amount of corrugated ink holding end is attached to the adjacent design convex portion. For this reason, the ink is thin and wavy or mottled on the adjacent design convex portion. Therefore, it is possible to make the adhesion less noticeable while the ink adheres to the adjacent design convex portion.
[0024]
【Example】
Hereinafter, examples of the ceramic building board, the printing method, and the printing roll according to the present invention will be described with reference to FIGS.
As shown in FIG. 1, the ceramic building board 1 manufactured in this example includes a plurality of continuous joint portions 22 continuously formed from one end portion 11 to the other end portion 11, and the plurality of continuous joint portions 22. And a plurality of design convex portions 21 partitioned by a plurality of cross joint portions 23 formed in the crossing direction. Each of the continuous joint portion 22 and the cross joint portion 23 is formed by a concave groove recessed from the design convex portion 21. And the design pattern 301 which performed the following ink printing is formed in the said some design convex part 21. As shown in FIG.
[0025]
In the ceramic building board 1 manufactured in this example, the design pattern 301 is formed on each design convex portion 21 up to the end portion 211 close to the continuous joint portion 22. The adjacent design convex portion 210 adjacent to the convex portion 21 via the continuous joint portion 22 is not continuously formed. That is, the ceramic building board 1 manufactured in this example has the discontinuous design pattern 302 in which the design pattern 301 is discontinuous between the design convex portions 21 adjacent to each other.
[0026]
In this example, the ink printing is performed using the following printing roll 4.
As shown in FIG. 5, the printing roll 4 of this example is configured using a gravure roll 5 and an offset roll 6. The ink printing is gravure offset printing in which the ink 3 held on the gravure roll 5 is transferred to the offset roll 6 and the ceramic building board 1 is pressed against the offset roll 6 to perform ink printing.
[0027]
As shown in FIG. 3, the gravure roll 5 used in this example is divided into a plurality of design projections 201 (see FIG. 1) in the axial direction, which are partitioned through continuous joints 22 in the ceramic building board 1. , Each of which is divided into a plurality of printing roll regions 51 for performing ink printing. The plurality of design protrusions 201 are each formed by a plurality of design protrusions 21.
[0028]
In the printing roll region 51 of the gravure roll 5, the ink holding unit 40 including a large number of recesses for forming the design pattern 301 up to the vicinity of the boundary line 52 with the adjacent printing roll region 510 adjacent thereto. Is formed. At the end of the ink holding unit 40 in the vicinity of the boundary line 52, a wavy ink holding end 41 is formed in which the ink holding unit 40 changes into a wave shape as the ink holding unit 40 approaches or separates from the boundary line 52. .
Thus, a pattern 401 by the plurality of ink holding units 40 is formed in each printing roll region 51 of the gravure roll 5.
[0029]
As shown in FIG. 3, when performing ink printing on the ceramic building board 1 using the gravure roll 5, the ink holding unit 40 in the printing roll region 51 is held with the ink 3, and the printing is performed. The roll region 51 holds the ink 3 up to the vicinity of the boundary line 52 with the adjacent print roll region 510 adjacent thereto. At this time, the ink 3 is also held in the wave-like ink holding end 41, and the wave-like ink end in which the ink 3 is changed into a wave shape as the ink 3 approaches or separates from the boundary line 52 is formed in the print roll region 51. Part 31 is formed.
[0030]
4 and 5, the offset roll 6 is brought into contact with the gravure roll 5, and the ink 3 held on the gravure roll 5 is transferred to the offset roll 6 as it is. At this time, the wavy ink end portion 31 is also transferred to the offset roll 6 in the vicinity of the boundary line 62 corresponding to the boundary line 52 of the gravure roll 5.
[0031]
Then, as shown in FIG. 4, the ceramic building board 1 is fed into the offset roll 6 holding the ink 3. At this time, the ceramic building board 1 is fed into the offset roll 6 along the formation direction of the continuous joint portion 22. Thereby, the design pattern 301 is printed by attaching the ink 3 held in each printing roll region 51 of the gravure roll 5 to each design convex portion 21 of the ceramic building board 1. Then, the ceramic building board 1 having the discontinuous design pattern 302 is manufactured.
[0032]
In addition, the said adjacent design convex part 210 said to this example does not say the special design convex part 21 of the said several design convex parts 21, but the part of the design convex part 21 which prints the said design pattern 301. , The portion of the design convex portion 21 adjacent through the continuous joint portion 22 is said. And as shown in FIG. 1, the said discontinuous design pattern 302 is formed between the part of the some design convex part 21, and the part of each design convex part 21 adjacent to these, respectively.
[0033]
This is described in detail below.
As shown in FIG. 2, in the ceramic building board 1, a plurality of center lines 221 are set in the longitudinal direction, and the continuous joint portions 22 are formed along the center lines 221. In this example, the width of the continuous joint portion 22 is changed by a wide portion 222 that is partially widened and a narrow portion 223 that is partially narrowed. The width of the wide portion 222 of this example changes within a range of 8 to 16 mm, and the width of the narrow portion 223 of this example changes within a range of 4 to 6 mm.
[0034]
The center line 221 is set so as to pass through the center of the narrow portion 223 in the width direction. From the center line 221, the end portion 211 of the design convex portion 21 and the end portion 212 of the adjacent design convex portion 210 are set. The width W is at least 2 mm.
Further, in the ceramic building board 1, there is a portion where the auxiliary joint portion 231 is formed in the direction intersecting with the intersecting joint portion 23, that is, in the forming direction of the continuous joint portion 22.
[0035]
Further, as shown in FIG. 3, in each printing roll region 51 of the gravure roll 5 of this example, the portion closer to the boundary line 52 than the wave-like ink holding end portion 41 is more than the ink holding portion 40. A small amount of ink holding portion 42 having a low density of the plurality of recesses is formed. A small amount wavy ink holding end 421 is formed on the tip 420 of the small amount ink holding portion 42. The small amount wavy ink holding end 421 is formed in a wave shape as the concave portion in the small amount ink holding portion 42 approaches or separates from the boundary line 52. is there.
[0036]
Then, as shown in the figure, when performing ink printing on the ceramic building board 1, the wavy ink holding end is held by holding the ink 3 in the small amount ink holding portion 42 in the printing roll region 51. A small amount of ink portion 32 with a reduced amount of ink is formed in a portion closer to the boundary line 52 than the wave-like ink end portion 31 formed by the ink 3 held in the portion 41. As shown in FIG. 4, the small amount of ink portion 32 is transferred almost directly to the offset roll 6.
[0037]
Further, as shown in FIG. 3, by holding the ink 3 at the small amount of wave-like ink holding end 421 in the printing roll region 51, the tip portion 320 of the small amount of ink portion 32 is held at the small amount of ink portion 32. A small amount of wave-like ink end portion 321 is formed in which the ink 3 changes in a wave shape as it approaches or leaves the boundary line 52. Then, as shown in FIG. 4, the small amount of corrugated ink end 321 is also transferred to the offset roll 6 almost as it is.
[0038]
Thus, as shown in FIG. 3, the pattern 401 in each printing roll region 51 is formed by the ink holding unit 40 and the small amount of ink holding unit 42. Moreover, the pattern 401 is formed along the shape of the design pattern 301 formed on the surface of the ceramic building board 1, and the pattern 401 in each printing roll region 51 adjacent to each other is different.
[0039]
Further, as shown in FIG. 4, the boundary line 52 in the gravure roll 5 and the boundary line 62 in the offset roll 6 are provided so as to correspond to the center line 221 of the continuous joint portion 22 of the ceramic building board 1. is there. That is, the formation intervals of the printing roll regions 51 in the gravure roll 5 are substantially the same as the intervals at which the design convex row 201 is formed on the ceramic building board 1 by the continuous joint portion 22.
Thereby, when the ceramic building board 1 is fed into the printing roll 4, the discontinuous design is applied regardless of which direction the ceramic building board 1 is shifted in the axial direction of the printing roll 4. The pattern 302 can be easily formed.
[0040]
FIG. 5 shows the printing device 8 for the ceramic building board 1. As shown in the figure, the ink roll 54 that scrapes out the ink 3 from the ink storage section 53 that stores the ink 3 and holds it on the pattern 401 of the gravure roll 5 is applied to the outer peripheral surface 501 of the gravure roll 5. It touches. A doctor blade 55 is provided on the outer peripheral surface 501 of the gravure roll 5 for scraping off unnecessary ink 3 that is not held by the pattern 401.
[0041]
Further, a cleaning roll 56 is attached to the outer peripheral surface 601 of the offset roll 6 to remove the unnecessary ink 3 after the ink 3 is attached to the ceramic building board 1. Is provided with a doctor blade 57 for scraping off the removed unnecessary ink 3.
[0042]
Moreover, as shown in the figure, the ceramic building board 1 is fed into the offset roll 6 using a conveyor 7, and the ceramic building board 1 is sandwiched between the conveyor 7 and the offset roll 6. Thus, it is pressed against the offset roll 6. The conveyor 7 in this example is a belt conveyor configured by a rubber belt 72 hung on a roll 71. This prevents lateral displacement of the ceramic building board 1 that occurs during ink printing (the ceramic building board 1 is displaced with respect to the axial direction of the offset roll 6).
[0043]
The hardness of the outer peripheral surface 601 of the offset roll 6 is preferably 30 to 50 degrees. In this example, the outer peripheral portion of the offset roll 6 is made of rubber, and the outer peripheral surface 601 has a hardness of about 40 degrees. When the hardness is 30 to 50 degrees, the ink printing can be easily performed.
The degree of hardness is in accordance with JIS K6301 “Physical Testing Method for Vulcanized Rubber” in the JIS standard. In this example, the hardness is measured using a JIS spring type hardness tester A type. went.
[0044]
The plurality of recesses forming the ink holding part 40 and the small amount of ink holding part 42 in the gravure roll 5 are formed as 150 lines per inch (25.4 mm). The depth of the concave portion of the ink holding portion 40 changes in the range of 40 to 50 μm, and the depth of the small amount of ink holding portion 42 changes in the range of 10 to 15 μm. Further, the wavy ink holding end 41 and the small amount wavy ink holding end 421 form the concave portion in a wave shape.
[0045]
Next, a method for manufacturing the ceramic building board 1 will be described in detail.
As shown in FIG. 6, the ceramic building board 1 of this example is a mixture of a cement material (cement, silicic acid material, etc.), a wood material (wood fiber, wood chip, etc.), an additive and water. This is a raw material that is sprayed onto a forming plate of a forming die and formed (formed). And the design convex part 21 of this ceramics-type building board 1 is formed with many minute unevenness | corrugations in which the shape changed complicatedly by being deeply dented or protruded partially.
[0046]
Before ink printing by the printing roll 4, a sealer liquid is applied as a base treatment to the ceramic building board 1 after the molding, and the joint colors of the continuous joint portions 22 and the cross joint portions 23 are applied. Apply and dry. Further, the base color of the design convex portion 21 is applied to each design convex portion 21 as an intermediate coating and dried.
[0047]
Further, in this example, as shown in FIG. 5, an abstraction similar to the design pattern 301 in order to express a deeper appearance on the ceramic building board 1 immediately before ink printing by the printing roll 4 is performed. Abstract design ink printing of traditional design patterns. This abstract pattern ink printing uses the gravure roll 50, the offset roll 60, the ink reservoir 53, the ink roll 54, the doctor blade 55, the cleaning roll 56, and the doctor blade 57 in the same manner as the ink printing of the design pattern 301. Perform by gravure offset printing.
[0048]
By the way, in forming the discontinuous design pattern 302, the following problems may occur when the conventional printing method is performed.
That is, when the ceramic building board 1 is fed into the offset roll 6, the center line 221 of the continuous joint portion 22 of the ceramic building board 1 comes to the position of the boundary line 62 of the offset roll 6. Sending in with the goal. However, due to a lateral shift (for example, a maximum deviation of 2 to 3 mm) generated when the ceramic building board 1 is fed into the offset roll 6 and a dimensional error of the ceramic building board 1 (for example, a maximum of 1). There is a dimension error of .about.1.5 mm.), The center line 221 of the continuous joint portion 22 of the ceramic building board 1 may be laterally shifted from the boundary line 62 to the left and right by about 4.5 mm.
[0049]
Then, as shown in part A of FIG. 7, when the portion of the adjacent design convex part 210 that does not perform ink printing is shifted in a direction approaching the part of the printing roll region 51 that holds the ink 3, In addition to the ink 3 being attached to the design convex portion 21 that performs ink printing, the ink 3 was also clearly attached to the end portion 212 of the adjacent design convex portion 210. In this case, the design pattern 301 is also formed on the end portion 212 of the adjacent design convex portion 210, and the discontinuous design pattern 302 cannot be formed. In this case, it has been found that the design pattern 301 is formed by ink printing.
[0050]
On the other hand, as shown in part B of FIG. 7, the part of the adjacent design convex part 210 that does not perform ink printing is in the direction opposite to the above, that is, in the direction away from the part of the printing roll region 51 that holds the ink 3. In the case where they are fed out of position, a portion where the ink 3 is not attached has been formed at the end portion 211 in the vicinity of the continuous joint portion 22 in the design convex portion 21 for performing ink printing. In this case, it has been found that the design pattern 301 on the printed design convex portion 21 becomes unnatural, and the design pattern 301 is formed by ink printing.
[0051]
The printing method of this example is a method in which the discontinuous design pattern 302 can be formed even if the ceramic building board 1 is fed to the left or right with respect to the axial direction of the printing roll 4.
That is, as shown in FIG. 8, in this example, the ink 3 held on the wavy ink holding end 41 of the gravure roll 5 is transferred to the offset roll 6 to form the wavy ink end 31. . Further, the ink 3 held on the gravure roll 5 with the small amount of corrugated ink holding end 421 is transferred to the offset roll 6 to form the small amount of corrugated ink end 321.
[0052]
Then, as shown in FIG. 10, when the ceramic building board 1 is sent in, for example, the portion of the adjacent design convex portion 210 where the ink printing is not performed is in the printing roll region 51 holding the ink 3. Even when the sheet is fed in a direction approaching the part, a part of the ink 3 in the small-scale wave-like ink end 321 is attached to the adjacent design convex part 210.
Therefore, the ink 3 is attached only to the adjacent design convex portion 210 in a wavy or mottled manner, and only a small amount of the ink 3 is attached. Therefore, the adhesion of the ink 3 to the adjacent design convex portion 210 can be made hardly noticeable.
[0053]
In addition, as shown in FIG. 12, when the feeding deviation occurs, the ink 3 may adhere to the inclined portion 213 formed between the continuous joint portion 22 and the adjacent design convex portion 210. . Even in this case, the ink 3 is attached only to the inclined portion 213 in a wavy or mottled manner, and this attachment can be made inconspicuous.
[0054]
On the other hand, as shown in FIG. 11, at the time of the feeding, the adjacent design convex portion 210 where the ink printing is not performed is in the direction opposite to the above, that is, in the printing roll region 51 holding the ink 3. Even when the ink is fed in a direction away from the portion, the ink 3 is waved by the wavy ink end 321 at the end 211 in the vicinity of the continuous joint 22 in the design convex portion 21 for performing the ink printing. To be attached. Therefore, it is possible to suppress the formation of an ink-free 3 portion where the ink 3 does not adhere to the end portion 211 near the continuous joint portion 22 in the design convex portion 21. Therefore, the design pattern 301 can be formed on the design convex portion 21 up to the end portion 211 in the vicinity of the continuous joint portion 22 while the ink 3 is less attached.
FIG. 9 shows the state of ink 3 adhering to the design convex portion 21 when the lateral displacement hardly occurs during the feeding.
[0055]
As described above, even if the ceramic building board 1 is shifted in any direction in the axial direction of the printing roll 4, as shown in FIGS. The ink 3 is adhered to the end portion 211 near the continuous joint portion 22 to form the design pattern 301, and the design pattern 301 is not formed continuously to the adjacent design convex portion 210. The ceramic building board 1 having the pattern 302 can be manufactured.
Therefore, according to the printing method of this example, it is difficult to understand that the ink was printed, and it may exhibit a natural deep appearance design characteristic represented by appearance design characteristics such as fired bricks and natural stones. The ceramic building board 1 which can be manufactured can be manufactured.
[0056]
In this example, the design pattern 301 is formed by performing ink printing on any of the plurality of design convex row 201 divided by the continuous joint portion 22. On the other hand, as shown in FIG. 13, the design pattern 301 can of course be formed every other design convex portion row 201. Even in this case, due to the discontinuous design pattern 302, the ceramic building board 1 can exhibit an appearance design with a natural depth as typified by an appearance design such as fired brick or natural stone.
When the ceramic building board 1 is constructed on the outer wall of a building, the ceramic joint board 1 is constructed with the formation direction of the continuous joint portion 22 in the lateral direction.
[Brief description of the drawings]
FIG. 1 is an explanatory view showing a ceramic building board in an embodiment.
FIG. 2 is an enlarged explanatory view showing a discontinuous design pattern on a ceramic building board in the embodiment.
FIG. 3 is an explanatory diagram showing a gravure roll in a printing roll in the embodiment.
FIG. 4 is an explanatory view showing an offset roll and a ceramic building board in a printing roll in the embodiment.
FIG. 5 is an explanatory view showing a ceramic building board manufacturing apparatus in an embodiment.
FIG. 6 is an explanatory view showing a ceramic building board before ink printing in an example.
FIG. 7 is an explanatory view showing a ceramic building board on which ink printing is performed by a conventional printing method in an embodiment.
FIG. 8 shows a state in which a wavy ink holding end and a small amount of wavy ink holding end are formed in the vicinity of the gravure roll boundary line, and a wavy ink end portion and a small amount in the vicinity of the offset roll boundary line in the embodiment. Explanatory drawing which shows the state which formed the wavy ink edge part.
FIG. 9 is an explanatory diagram showing an ink adhesion state on the design convex portion when there is almost no lateral displacement when the ceramic building board is fed in the embodiment.
[Fig. 10] In the embodiment, when the ceramic building board is fed, the adjacent design convex part where ink printing is not performed is shifted in the direction approaching the part of the printing roll area holding the ink. Explanatory drawing which shows the adhesion state of the ink to the edge part and inclined part in the part of the design convex part at the time of being carried out.
FIG. 11 shows that when the ceramic building board is sent in the embodiment, the portion of the adjacent design convex portion where ink printing is not performed is shifted in a direction away from the portion of the printing roll region holding the ink. Explanatory drawing which shows the adhesion state of the ink in the part of the design convex part at the time of being carried out.
12 is a cross-sectional explanatory view taken along the line AA in FIG. 10 according to the embodiment.
FIG. 13 is a diagram showing another ceramic building board in the example, and is an explanatory view showing the ceramic building board in which a design pattern is formed every other design convex part row;
FIG. 14 is an explanatory view showing a ceramic building board in a conventional example.
[Explanation of symbols]
1. . . Ceramic building boards,
11. . . edge,
201. . . Design convex row,
21. . . Design convex part,
210. . . Adjacent design convex part,
22. . . Continuous joints,
221. . . Centerline,
23. . . Intersection,
3. . . ink,
301. . . Design pattern,
302. . . Discontinuous design pattern,
31. . . Wavy ink edge,
32. . . A small amount of ink,
321. . . A small amount of wavy ink edge,
4). . . Printing roll,
401. . . Pattern,
40. . . Ink holder,
41. . . Ink holding end,
42. . . A small amount of ink holder,
421. . . A small amount of corrugated ink holding end,
5. . . Gravure roll,
51. . . Print roll area,
510. . . Adjacent printing roll area,
52. . . border,
6). . . Offset roll,
62. . . border,

Claims (7)

一方の端部から他方の端部まで連続して形成した連続目地部と,該連続目地部に交錯する方向に形成した交錯目地部とによって区画した複数の意匠凸部を有し,該意匠凸部には,インク印刷を行った意匠模様を形成してなる窯業系建築板において,
上記意匠凸部には,上記連続目地部に近接する端部まで上記意匠模様が形成してあり,かつ,該意匠模様は,当該意匠凸部と上記連続目地部を介して隣り合う隣接意匠凸部までは連続して形成されていないことを特徴とする窯業系建築板。
A plurality of design convex portions partitioned by a continuous joint portion formed continuously from one end portion to the other end portion and an intersecting joint portion formed in a direction intersecting with the continuous joint portion; In the ceramic building board formed with a design pattern printed with ink,
The design convex portion is formed with the design pattern up to an end portion close to the continuous joint portion, and the design pattern is adjacent to the design convex portion and the adjacent joint convex portion via the continuous joint portion. Ceramic building board characterized by not being continuously formed up to the part.
一方の端部から他方の端部まで連続して形成した連続目地部と,該連続目地部に交錯する方向に形成した交錯目地部とによって区画した複数の意匠凸部を有し,該意匠凸部には,印刷ロールによるインク印刷を行った意匠模様を形成してなる窯業系建築板であって,
上記意匠凸部には,上記連続目地部に近接する端部まで上記意匠模様が形成してあり,かつ,該意匠模様は,当該意匠凸部と上記連続目地部を介して隣り合う隣接意匠凸部までは連続して形成されていない窯業系建築板の印刷方法において,
上記印刷ロールは,その軸方向において,上記窯業系建築板における連続目地部を介して区画される複数の意匠凸部列に,それぞれインク印刷を行うための複数の印刷ロール領域に区画してあると共に,
上記印刷ロール領域には,これに隣接する隣接印刷ロール領域との境界線の近傍までインクを保持させると共に,該インクにおける上記境界線の近傍の端部には,当該インクが上記境界線に近づいたり離れたりして波状に変化した波状インク端部を形成し,
上記窯業系建築板をその上記連続目地部の形成方向に沿って上記印刷ロールに送入すると共に,上記意匠凸部に上記印刷ロール領域に保持したインクを付着させて,上記意匠模様を印刷することを特徴とする窯業系建築板の印刷方法。
A plurality of design convex portions partitioned by a continuous joint portion formed continuously from one end portion to the other end portion and an intersecting joint portion formed in a direction intersecting with the continuous joint portion; In the part is a ceramic building board formed with a design pattern printed with ink by a printing roll,
The design convex portion is formed with the design pattern up to an end portion close to the continuous joint portion, and the design pattern is adjacent to the design convex portion and the adjacent joint convex portion via the continuous joint portion. In the printing method of ceramic building boards that are not continuously formed up to
In the axial direction, the printing roll is partitioned into a plurality of design convex rows that are partitioned via continuous joints in the ceramic building board, and each is divided into a plurality of printing roll regions for performing ink printing. Along with
The printing roll area holds ink up to the vicinity of the boundary line with the adjacent printing roll area adjacent thereto, and the ink approaches the boundary line at the end of the ink near the boundary line. Forming a wavy ink edge that changes into a wavy shape
The ceramic building board is fed into the printing roll along the formation direction of the continuous joint portion, and the design pattern is printed by attaching the ink held in the printing roll region to the design convex portion. A method for printing ceramic building boards.
請求項2において,上記波状インク端部よりもさらに上記境界線に近い部分には,インク量を少なくした少量インク部を形成すると共に,該少量インク部の先端部には,当該少量インク部におけるインクが上記境界線に近づいたり離れたりして波状に変化した少量波状インク端部を形成していることを特徴とする窯業系建築板の印刷方法。3. A small amount of ink with a reduced amount of ink is formed at a portion closer to the boundary line than the wavy ink end, and a small amount of ink is formed at the tip of the small amount of ink at the tip of the small amount of ink. A method for printing a ceramic building board, characterized in that a small amount of corrugated ink ends are formed in which the ink changes into a corrugated shape as it approaches or leaves the boundary line. 請求項2又は3において,上記印刷ロールの印刷ロール領域を区画する上記境界線は,上記窯業系建築板の連続目地部の中心線に対応するよう設けてあることを特徴とする窯業系建築板の印刷方法。4. A ceramic building board according to claim 2, wherein the boundary line defining the printing roll area of the printing roll is provided so as to correspond to a center line of a continuous joint portion of the ceramic building board. Printing method. 請求項2〜4のいずれか一項において,上記連続目地部の幅は,部分的に広くなった幅広部と部分的に狭くなった狭小部とにより変化しており,上記狭小部の幅は4〜6mmであることを特徴とする窯業系建築板の印刷方法。The width of the continuous joint portion according to any one of claims 2 to 4, wherein the width of the continuous joint portion varies depending on a wide portion that is partially widened and a narrow portion that is partially narrowed. A method for printing a ceramic building board characterized by being 4 to 6 mm. 請求項2〜5のいずれか一項に記載の窯業系建築板の印刷方法に用いる印刷ロールであって,
該印刷ロールの印刷ロール領域には,これに隣接する隣接印刷ロール領域との境界線の近傍まで,上記意匠模様を形成するための多数の凹部よりなるインク保持部を有すると共に,該インク保持部における上記境界線の近傍の端部には,当該インク保持部が上記境界線に近づいたり離れたりして波状に変化した波状インク保持端部を有していることを特徴とする窯業系建築板の印刷ロール。
It is a printing roll used for the printing method of the ceramics system building board as described in any one of Claims 2-5,
The printing roll area of the printing roll has an ink holding part composed of a plurality of recesses for forming the design pattern up to the vicinity of the boundary line with the adjacent printing roll area adjacent thereto, and the ink holding part A ceramic building board characterized in that at the end portion in the vicinity of the boundary line, the ink holding portion has a wavy ink holding end portion that has changed into a wave shape as it approaches or leaves the boundary line. Printing roll.
請求項6において,上記波状インク保持端部よりもさらに上記境界線に近い部分には,上記インク保持部よりも上記凹部の密度が低い少量インク保持部を形成していると共に,該少量インク保持部の先端部には,当該少量インク保持部における凹部が上記境界線に近づいたり離れたりして波状に変化した少量波状インク保持端部を形成していることを特徴とする窯業系建築板の印刷ロール。7. A small amount ink holding portion having a density of the recesses lower than that of the ink holding portion is formed at a portion closer to the boundary line than the wavy ink holding end portion, and the small amount of ink holding portion is held. In the ceramic building board, the concave portion in the small amount ink holding portion forms a small amount wavy ink holding end portion that changes into a wave shape by moving toward or away from the boundary line at the tip of the portion. Printing roll.
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