JPH04278338A - Manufacture of top plate fitted with resin edge - Google Patents
Manufacture of top plate fitted with resin edgeInfo
- Publication number
- JPH04278338A JPH04278338A JP3065632A JP6563291A JPH04278338A JP H04278338 A JPH04278338 A JP H04278338A JP 3065632 A JP3065632 A JP 3065632A JP 6563291 A JP6563291 A JP 6563291A JP H04278338 A JPH04278338 A JP H04278338A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- top plate
- edge
- decorative
- decorative board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 65
- 239000011347 resin Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims abstract description 36
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 26
- 239000000057 synthetic resin Substances 0.000 claims abstract description 26
- 239000011162 core material Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 239000011256 inorganic filler Substances 0.000 claims 1
- 229910003475 inorganic filler Inorganic materials 0.000 claims 1
- 229920000877 Melamine resin Polymers 0.000 abstract description 7
- 238000011049 filling Methods 0.000 abstract description 7
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000945 filler Substances 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 10
- 238000007796 conventional method Methods 0.000 description 9
- 239000002023 wood Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 5
- 239000012466 permeate Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004067 bulking agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、周縁部に樹脂エッジが
一体化されて付設されている樹脂エッジ付き天板の製造
方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a top plate with a resin edge, in which a resin edge is integrally attached to the peripheral edge.
【０００２】0002
【従来の技術】化粧ボードの裏面から溝付け加工し、化
粧材を残した形で溝７を形成し、該溝にウレタン樹脂な
どの合成樹脂を溝の上面へ溢出させるようにして充填し
、硬化後、該樹脂部を切削し、樹脂エッジを形成すると
いう切断断面の仕上方法が特公昭５７−４９３９２、特
公昭５８−５０５８９に記載されており、知られている
。この仕上方法は化粧ボード端面への外部からの水分浸
入をよく遮断するなどの利点があるため、図８のような
構成により化粧ボードを内抜きして、洗面用あるいはキ
ッチン用のシンクを取付ける際の切断面の仕上法として
利用されている。[Prior Art] A decorative board is grooved from the back side to form a groove 7 with the decorative material remaining, and the groove is filled with a synthetic resin such as urethane resin so as to overflow to the upper surface of the groove. A method of finishing a cut cross section by cutting the resin portion after curing to form a resin edge is described in Japanese Patent Publication No. 57-49392 and Japanese Patent Publication No. 58-50589, and is known. This finishing method has the advantage of effectively blocking moisture from entering the end surface of the decorative board from the outside, so when installing a washroom or kitchen sink by cutting out the interior of the decorative board using the configuration shown in Figure 8, It is used as a finishing method for cut surfaces.
【０００３】一方、化粧ボードを平面部本体とする天板
のエッジの処理方法としては以下のような方法が知られ
ている。
（ａ）エッジ部を面加工し、塗装仕上げする方法。
（ｂ）プラスチック製の押出成形材など、エッジ材を物
理的に本体に固定する方法、即ちエッジの後付け加工法
。
（ｃ）金型を用いて、平面部本体のエッジ部にウレタン
樹脂などを圧入し、エッジと本体部を一体成形する方法
。On the other hand, the following method is known as a method for treating the edges of a top plate whose flat main body is a decorative board. (a) A method in which the edges are surface-processed and finished with paint. (b) A method of physically fixing the edge material to the main body, such as an extrusion molded material made of plastic, that is, a method of later attaching the edge. (c) A method in which urethane resin or the like is press-fitted into the edge portion of the flat body using a mold, and the edge and the body are integrally molded.
【０００４】0004
【発明が解決しようとする課題】近年、店舗用カウンタ
ー、ＯＡデスク天板、それに住宅用カウンターなど、天
板は消費者の嗜好の変化を背景として、商品の高級化や
平面形状の多様化が進み、曲線を多用した変形天板の需
要が高まりつつある。また、施工時や使用時の取扱いが
便利となるよう軽量化が要求されている。[Problem to be solved by the invention] In recent years, countertops such as store countertops, OA desk topboards, and residential countertops have become more luxurious and their planar shapes have diversified due to changes in consumer tastes. As technology advances, demand for deformed tabletops that make extensive use of curves is increasing. In addition, there is a demand for lighter weight so that it is easier to handle during construction and use.
【０００５】本発明の第一の目的は化粧ボードを用いた
天板であって、しかも上記のニーズを満足しうる多様な
変形天板を提供することにある。[0005] A first object of the present invention is to provide a top plate using a decorative board, which can be modified to meet the above-mentioned needs.
【０００６】この観点から前述のエッジ処理方法をみる
と、以下に述べるように、いずれも満足しうるものでは
ない。[0006] When looking at the edge processing methods described above from this point of view, none of them are satisfactory as described below.
【０００７】即ち、（ａ）の方法はたとえ塗装仕上げが
施してあっても、塗装下地が芯材であるため、質感と意
匠性が著しく劣るという欠点があり、（ｂ）の方法は一
般に行なわれている方法であるが、本体とエッジ部との
一体感を欠いており、長期間の使用によって本体とエッ
ジ材との間に隙間を生じて、見苦しくなりやすいという
欠点がある。更に（ｃ）の方法は本体とエッジ部が完全
に一体化されているという利点はあるものの、高価な金
型と圧入装置が必要となるため割高な商品となり、また
、高価な金型が制約となって、多品種少量生産が非常に
困難であるという欠点を持っている。That is, method (a) has the disadvantage that even if a paint finish is applied, the texture and design are significantly inferior because the coating base is a core material, and method (b) is generally not carried out. However, this method lacks a sense of unity between the main body and the edge portion, and has the disadvantage that, after long-term use, a gap is created between the main body and the edge material, which tends to become unsightly. Furthermore, although method (c) has the advantage that the main body and edge portion are completely integrated, it requires an expensive mold and press-fitting equipment, making it a relatively expensive product, and the expensive mold is a constraint. Therefore, it has the disadvantage that high-mix, low-volume production is extremely difficult.
【０００８】ここで、シンク取付け時に利用される特公
昭５７−４９３９２、特公昭５８−５０５８９のような
樹脂による切断端面の仕上方法（以下、従来法と称する
）が、高価な金型を使わずに一体成形できることから、
前述した発明者らの第１の目的を達成し得るように考え
られる。しかしながら、従来法は、以下に述べる欠点が
あるため、前記したこの発明の目的を達成することがで
きない。[0008] Here, the method of finishing the cut end surface with resin (hereinafter referred to as the conventional method), such as Japanese Patent Publication No. 57-49392 and Japanese Patent Publication No. 58-50589, which is used when installing a sink, does not use expensive molds. Because it can be integrally molded into
It is considered that the first objective of the inventors mentioned above can be achieved. However, the conventional method cannot achieve the above-mentioned object of the present invention due to the following drawbacks.
【０００９】第１の欠点は、面取りされた切削面に視認
できる程度の大きさの、多数の気泡跡が存在することと
、面取加工時に刃物との摩擦によってこげ跡が生じやす
いという外観上の欠点である。気泡は主に樹脂の硬化過
程で発生し、ことに、硬化反応が急激な発熱を伴うとき
には無数の気泡を生じることになる。これには、硬化の
過程が、加圧下ではなく、常圧下で行なわれるため、発
泡を抑制することが難しいということなどが影響してい
る。The first drawback is that there are many visible bubble marks on the chamfered cutting surface, and the appearance is such that burnt marks are likely to occur due to friction with the cutter during chamfering. This is a drawback. Bubbles are mainly generated during the curing process of the resin, and in particular, when the curing reaction is accompanied by rapid heat generation, numerous bubbles are generated. This is due to the fact that the curing process is carried out under normal pressure rather than under pressure, making it difficult to suppress foaming.
【００１０】このような気泡跡は従来のような内抜き穴
にシンクを取り付ける用途に対しては、使用者の目に触
れる部分が小さく、また目に触れる機会も比較的少ない
ことから、許容することはできるものの、常時、使用者
の目に触れる天板の周縁部の場合は、使用者に嫌われる
ため、実質的に商品価値を失ってしまうのである。また
、面取加工時のこげ跡は、断面形状が曲面を成し、しか
も天板の平面形状においても曲線を多用する複雑な切り
廻し加工であるため、切削刃物との摩擦熱によって生じ
るのである。[0010] Such bubble marks are acceptable in conventional applications in which a sink is installed in a hollow hole because the part that is visible to the user's eye is small and there are relatively few opportunities for the bubble to be seen by the user. However, if the peripheral edge of the top plate is always visible to the user, it will be disliked by the user and will essentially lose its commercial value. In addition, burnt marks during chamfering are caused by frictional heat from the cutting tool since the cross-sectional shape is curved and the top plate's planar shape is also a complex cutting process that uses many curves. .
【００１１】もちろん、気泡跡やこげ跡をサンドペーパ
ーやをパテ等を用いて補修することは不可能ではないが
、これに要する手間、違和感のない仕上りとする難しさ
、そして耐久性のある密着力を得ることの難しさなどが
あるため、実用的ではなく、本発明の目的にかなうもの
ではない。[0011] Of course, it is not impossible to repair air bubbles and burnt marks using sandpaper or putty, but it is difficult to do so due to the amount of effort required, the difficulty in achieving a finish that does not feel strange, and the need for durable adhesion. Due to the difficulty of obtaining force, etc., it is not practical and does not meet the purpose of the present invention.
【００１２】更に、本発明による樹脂エッジは図５に例
示されるように、平面部本体から突起して配設されるも
ので、その奥行は通常１０〜３０ｍｍに達するため、従
来法を適用すると、使用中上方より手やひじで樹脂エッ
ジ部を押さえつけるなどの力を加えた時、樹脂部と平面
部本体との接合面で破断が生じやすいという、強度に関
する欠点がある。Furthermore, as illustrated in FIG. 5, the resin edge according to the present invention is arranged so as to protrude from the main body of the plane part, and its depth is usually 10 to 30 mm, so if the conventional method is applied, However, when a force is applied to the resin edge portion from above with a hand or an elbow during use, the bonding surface between the resin portion and the main body of the flat portion tends to break, which is a drawback regarding strength.
【００１３】従来法によるシンクの取付けにおいては、
図８に例示されるように樹脂部は化粧材によって上部を
覆われて保護されており、また、シンクフランジ部と木
ネジによって下面を支持されており、しかも、配設され
る樹脂は化粧ボード端面の保護を主要な目的としている
ため、その奥行は、通常１０ｍｍ以下と小さいなど、構
造上の条件に恵まれているため、上記のような接合面で
の破断は重大な問題とならない。[0013] In installing the sink using the conventional method,
As illustrated in Fig. 8, the upper part of the resin part is covered and protected by a decorative material, and the lower surface is supported by the sink flange part and wood screws. Since the main purpose is to protect the end face, the depth is generally small, 10 mm or less, and the structural conditions are favorable, so the breakage at the joint surface as described above does not pose a serious problem.
【００１４】しかしながら、本発明においては、従来法
とは異なり、下面からの支持は無く、また、断面が曲面
であるため、化粧材による上面保護も従来法に比べると
、その効果は著しく小さく、それ故、接合面での破断が
実用上の課題となる。また、従来法においては軽量化に
特別な工夫はされていない。However, in the present invention, unlike the conventional method, there is no support from the lower surface and the cross section is a curved surface, so the effect of protecting the upper surface with the decorative material is significantly smaller than in the conventional method. Therefore, fracture at the joint surface becomes a practical problem. Further, in the conventional method, no special measures have been taken to reduce the weight.
【００１５】従って、本発明の目的は、上記の従来法の
欠点を解消することによって、前記の第１の目的を達成
することにある。[0015] Accordingly, an object of the present invention is to achieve the first object by eliminating the drawbacks of the conventional methods described above.
【００１６】[0016]
【課題を解決するための手段】上述の技術的課題を解決
するために、本発明は、天板のエッジとなる位置に沿っ
て、化粧ボードの化粧材を残して連続した溝を芯材に切
削し、該溝に硬化温度条件下での硬化時間が０．８〜５
時間で、しかも粘度５〜２０ポイズの未硬化液状合成樹
脂を注入充填して硬化させた後、断面形状が曲面を成す
ように該合成樹脂部を面取加工するようにした。[Means for Solving the Problems] In order to solve the above-mentioned technical problems, the present invention provides continuous grooves in the core material along the edges of the top board, leaving the decorative material of the decorative board. The curing time under the curing temperature condition is 0.8 to 5.
After injecting and curing an uncured liquid synthetic resin having a viscosity of 5 to 20 poise for an hour, the synthetic resin portion was chamfered so that the cross-sectional shape formed a curved surface.
【００１７】[0017]
【作用】本発明におけるエッジ材料は硬化させる作業室
の温度下において、硬化時間が０．８〜５時間と長く、
粘度が５〜２０ポイズと低いため、緩やかに硬化反応が
進行し、発熱性が小さく、発熱に伴う発泡が少ない。し
かも、流動時間が長く、比較的低い粘度に保持されるの
で、たとえ樹脂中に気泡が生じても、容易に大気中に揮
散し、樹脂中に残ることは著しく少ない。そして、芯材
部への樹脂の浸透があるため、得られた樹脂エッジと芯
材部の接合強度が大きくなる。[Function] The edge material of the present invention has a long curing time of 0.8 to 5 hours under the temperature of the working chamber where it is cured.
Since the viscosity is as low as 5 to 20 poise, the curing reaction proceeds slowly, the heat generation is low, and there is little foaming due to heat generation. Moreover, since the flow time is long and the viscosity is maintained at a relatively low level, even if bubbles are generated in the resin, they easily volatilize into the atmosphere and are extremely unlikely to remain in the resin. Since the resin permeates into the core material portion, the bonding strength between the obtained resin edge and the core material portion increases.
【００１８】以下、本発明を図面を参照して詳細に説明
する。図１は、本発明により得られる任意の平面形状を
有する樹脂エッジ付き天板の斜視図である。図２ないし
図５は本発明の一例を示す工程図である。The present invention will be explained in detail below with reference to the drawings. FIG. 1 is a perspective view of a top plate with a resin edge having an arbitrary planar shape obtained by the present invention. 2 to 5 are process charts showing an example of the present invention.
【００１９】図中、符号４が本発明の素材として使用さ
れる化粧ボードである。この化粧ボード４は、厚さ１５
〜７０ｍｍの複合体であり、図２−Ａのように芯材５と
化粧材２が構成要件となり、両者が接着され一体化され
ている。芯材５には合板、パーチクルボード、ＭＤＦな
どの木質材料が使用されるが、これ以外にもハニカムコ
アなどの中空体や発泡ポリエチレン、発泡スチレン、フ
ェノール樹脂発泡体など合成樹脂発泡体などの軽量芯材
も使用することができ、天板の重量が低減されるため、
取扱いが容易になる。芯材として軽量芯材を使用する時
は、後にテーブル脚を取付ける際、取付金具の保持力を
確保するために、軽量芯材の裏面側が厚さ１０ｍｍ程度
の木質材料となるように構成することが望ましい。芯材
５の裏面には裏打材６が接着されていてもよく、裏打材
としてはフェノール樹脂積層板、ＦＲＰ板あるいは不織
布などが使用できる。図２−Ｂは裏打材と複数の芯材が
使用された化粧ボードの構成例である。そして天板の表
面材となる化粧材２はメラミン化粧板などの積層板、突
板化粧板などの木質板それに塩ビ鋼板などの金属化粧板
など、厚さ０．５〜３．０ｍｍ程度の化粧材料が使用さ
れる。In the figure, reference numeral 4 is a decorative board used as a material of the present invention. This decorative board 4 has a thickness of 15
It is a composite body of ~70 mm, and as shown in FIG. 2-A, the core material 5 and the decorative material 2 are the constituent elements, and both are bonded and integrated. Wood materials such as plywood, particle board, and MDF are used for the core material 5, but other materials include hollow bodies such as honeycomb cores, and lightweight cores such as synthetic resin foams such as foamed polyethylene, foamed styrene, and phenolic resin foam. material can also be used, reducing the weight of the top plate.
Easy to handle. When using a lightweight core material as the core material, the back side of the lightweight core material should be made of wood material with a thickness of approximately 10 mm in order to ensure the holding power of the mounting bracket when attaching the table legs later. is desirable. A backing material 6 may be adhered to the back surface of the core material 5, and a phenol resin laminate, an FRP board, a nonwoven fabric, or the like can be used as the backing material. FIG. 2-B is an example of a decorative board in which a backing material and a plurality of core materials are used. The decorative material 2 that will be the surface material of the top plate is a decorative material with a thickness of about 0.5 to 3.0 mm, such as a laminate such as a melamine decorative board, a wood board such as a veneer decorative board, or a metal decorative board such as a PVC steel plate. is used.
【００２０】次いで、図３に示すように、化粧ボード４
の裏面に溝７を形成する。この溝７の形成方法は特に限
定されないが、切削手段としてＮＣルーターを使用すれ
ば、任意の形状を精度良く、短時間に加工し、溝を形成
することができる。Next, as shown in FIG. 3, the decorative board 4
A groove 7 is formed on the back surface. The method of forming the groove 7 is not particularly limited, but if an NC router is used as the cutting means, the groove can be formed into any desired shape with high accuracy and in a short time.
【００２１】溝７の断面形状は、化粧ボードの裏面から
化粧材の裏面へ達する溝であればよく、コの字型あるい
はＵ字型の断面形状が好適である。樹脂エッジと芯材と
の接合力を高めるため、芯材の切断面へ、更に切り込み
溝をつけることもできる。溝７の幅は、樹脂エッジの幅
寸法に、削り代として７ｍｍ程度を化粧ボードの周縁部
へ向けて延長した寸法であり、深さは化粧ボード４の裏
面より切り込みを入れ、化粧材２を残した深さである。
溝は、化粧ボード４において、通常連続して１周するよ
うに形成されるが、天板の全周にわたらず、部分的な加
工であってもよい。The cross-sectional shape of the groove 7 may be any groove that reaches from the back surface of the decorative board to the back surface of the decorative material, and a U-shaped or U-shaped cross-sectional shape is preferable. In order to increase the bonding force between the resin edge and the core material, it is also possible to further cut grooves into the cut surface of the core material. The width of the groove 7 is the width of the resin edge and an extension of about 7 mm as a cutting allowance toward the periphery of the decorative board. This is the remaining depth. In the decorative board 4, the groove is usually formed so as to go around one continuous time, but it may not be formed all the way around the top plate, but may be formed partially.
【００２２】次に、図４に示したように、溝７の内部に
合成樹脂充填材８を充填し、硬化させる。合成樹脂充填
材は作業を行う温度下で、硬化時間が０．８〜５時間、
粘度が５〜２０ポイズの未硬化液状合成樹脂であって、
エポキシ樹脂、ウレタン樹脂、ポリエステル樹脂などの
硬化性樹脂から適宜選択して使用する。これら樹脂の中
では、固形分が高く、芯材との接着力が大きいので、エ
ポキシ樹脂が好都合である。また、合成樹脂充填材には
充填剤、着色剤、消泡剤などの添加剤が含まれていても
よい。Next, as shown in FIG. 4, a synthetic resin filler 8 is filled into the groove 7 and hardened. The synthetic resin filler has a curing time of 0.8 to 5 hours at the working temperature.
An uncured liquid synthetic resin with a viscosity of 5 to 20 poise,
Curable resins such as epoxy resins, urethane resins, and polyester resins are appropriately selected and used. Among these resins, epoxy resin is advantageous because it has a high solid content and strong adhesive strength with the core material. Further, the synthetic resin filler may contain additives such as a filler, a colorant, and an antifoaming agent.
【００２３】粘度調整のため、あるいは、増量剤として
、炭酸カルシウム粉末を５〜６０％添加できる。炭酸カ
ルシウム粉末は、他の無機質粉末を添加することにくら
べ、面加工時の切削用刃物の損傷が少なく、樹脂エッジ
表面への刃物の摩擦によるこげ跡がつきにくいという効
果をもたらす。Calcium carbonate powder can be added in an amount of 5 to 60% to adjust the viscosity or as a bulking agent. Compared to the addition of other inorganic powders, calcium carbonate powder causes less damage to cutting blades during surface machining, and has the effect of being less likely to leave burnt marks on the resin edge surface due to friction of the blade.
【００２４】合成樹脂充填材を溝７の内部へ充填するに
先立って、溝の内壁にウレタン樹脂などから成るプライ
マーを塗布し、硬化させてもよい。プライマーの塗布に
より、液状合成樹脂充填材が芯材部へ過度に浸透するこ
とと、芯材部から気泡が充填材中へ移行することを抑制
することができる。Prior to filling the inside of the groove 7 with the synthetic resin filler, a primer made of urethane resin or the like may be applied to the inner wall of the groove and cured. By applying the primer, it is possible to suppress excessive penetration of the liquid synthetic resin filler into the core material portion and to prevent air bubbles from migrating from the core material portion into the filler material.
【００２５】本発明における未硬化液状合成樹脂の充填
は、溝加工した化粧ボードを水平に保持し、溝から横溢
しない程度に、しかも化粧ボードの裏面と樹脂の界面が
同じ高さとなるように充填する。硬化に至るまでの間に
芯材部への樹脂の浸透があるので、図４に示したように
、樹脂の表面はやや凹状となり、上部に他の化粧ボード
を載置しても、空気の導通路が確保される効果を生む。
この凹状の部分は面形状によっては、後の面取加工によ
って、部分的に削り残しとなることがあるが、使用時に
は目視されない部分であるため、実用上の支障とはなら
ない。In the present invention, the uncured liquid synthetic resin is filled by holding the grooved decorative board horizontally and filling it to the extent that it does not overflow from the groove, and so that the interface between the back surface of the decorative board and the resin is at the same height. do. Since the resin permeates into the core material before it hardens, the surface of the resin becomes slightly concave, as shown in Figure 4, and even if another decorative board is placed on top, no air can escape. This produces the effect of ensuring a conductive path. Depending on the shape of the surface, this concave portion may remain partially uncut due to subsequent chamfering, but since it is not visible during use, it does not pose a practical problem.
【００２６】多数の化粧ボードを同時に水平に保持した
まま、合成樹脂を硬化させるには、一般には広いスペー
スが必要となるが、本発明においては、棚段など特別の
設備がなくても、直接化粧ボードを積み重ねておくこと
が可能であり、しかも樹脂中から出てくる気泡のために
大気中へ放散する導通路が前記したように確保されてい
る。Generally, a large space is required to cure synthetic resin while holding a large number of decorative boards horizontally at the same time, but in the present invention, it is possible to cure the synthetic resin directly without using special equipment such as shelves. It is possible to stack decorative boards, and as described above, a conductive path is ensured for air bubbles coming out of the resin to diffuse into the atmosphere.
【００２７】未硬化液状合成樹脂は前記した硬化時間と
粘度を有することにより、硬化反応が緩やかに進行する
ことになり、反応熱の発生に伴って生ずる気泡の発生が
軽微なものとなる。また、合成樹脂充填材を調合する際
、撹拌混合することによって巻き込まれる気泡や、芯材
部から樹脂部へ移行してくる気泡も、硬化するまでの時
間に、表面より大気中へ効果的に揮散していくので硬化
樹脂中に気泡が残存することが著しく少なくなる。硬化
時間が０．８時間より短い時、あるいは粘度が２０ポイ
ズを超える時は気泡の大気中へ揮散が著しく低下し、実
用に適さず、逆に、粘度が５ポイズ未満である時あるい
は硬化時間が５時間を超える時は充填された樹脂の芯材
部への浸透が大きくなる欠点があり、同じく実用に適さ
ない。Since the uncured liquid synthetic resin has the above-described curing time and viscosity, the curing reaction proceeds slowly, and the generation of bubbles caused by the generation of reaction heat becomes slight. In addition, when mixing synthetic resin fillers, air bubbles that get caught up in stirring and mixing, and air bubbles that migrate from the core material to the resin, can be effectively released from the surface into the atmosphere during the time it takes to harden. As it evaporates, the number of air bubbles remaining in the cured resin is significantly reduced. When the curing time is shorter than 0.8 hours or when the viscosity exceeds 20 poise, the volatilization of bubbles into the atmosphere is significantly reduced, making it unsuitable for practical use.On the other hand, when the viscosity is less than 5 poise or the curing time When the time exceeds 5 hours, there is a drawback that the filled resin permeates into the core material portion, which is also not suitable for practical use.
【００２８】次に、硬化樹脂で充填されている溝の部分
を面取加工する。面取加工手段は特に限定されないが、
一般にはＮＣルーターに目的とする樹脂エッジの面形状
に応じたルータービットを装着し、溝部分を面取加工す
ることで達成することができる。この際、化粧材２と合
成樹脂充填材８が連続するよう面取加工し、中間に芯材
５が介在しないようにする。樹脂エッジの断面形状は図
５ないし図７に示すような任意の断面形状が可能である
。Next, the groove portion filled with the cured resin is chamfered. The chamfering method is not particularly limited, but
Generally, this can be achieved by attaching a router bit to the NC router that corresponds to the surface shape of the desired resin edge, and chamfering the groove portion. At this time, the decorative material 2 and the synthetic resin filler 8 are chamfered so that they are continuous, so that the core material 5 is not interposed in between. The resin edge can have any cross-sectional shape as shown in FIGS. 5 to 7.
【００２９】面取加工した樹脂エッジの表面は、必要な
らば研磨紙やコンパウンドワックスにより研磨するか、
あるいは塗装するなどして仕上げる。本発明による樹脂
エッジ付き天板はカウンターやデスクの天板として利用
されるが、水平面用途だけでなく、間仕切材などの垂直
面用途にも利用可能である。以下、実施例を示して本発
明を説明する。If necessary, the surface of the chamfered resin edge may be polished with abrasive paper or compound wax, or
Or finish it by painting it. The top plate with a resin edge according to the present invention is used as a top plate for a counter or a desk, but it can also be used not only for horizontal surfaces but also for vertical surfaces such as partitioning materials. The present invention will be explained below with reference to Examples.
【００３０】[0030]
【実施例】実施例１
厚さ１．２ｍｍのメラミン化粧板の裏面に、厚さ２９．
８ｍｍのパーチクルボードを接着し、厚さ３１ｍｍの化
粧ボードを作成した。ストレート型のビットを装着した
ルーターの加工定盤に化粧ボードのメラミン化粧板を下
面にしてセットし、幅２５ｍｍ、半径（内径）５８０ｍ
ｍ、深さがメラミン化粧板の裏面に達する断面コの字型
の円形の溝をつけた。[Example] Example 1 A melamine decorative board with a thickness of 29 mm was coated on the back side of a 1.2 mm thick melamine decorative board.
A decorative board with a thickness of 31 mm was created by gluing 8 mm particle boards together. Set the decorative board with the melamine decorative board facing downward on the processing surface plate of the router equipped with a straight bit, width 25 mm, radius (inner diameter) 580 m.
m, a circular groove with a U-shaped cross section was formed with a depth reaching the back side of the melamine decorative board.
【００３１】次に、充填剤として炭酸カルシウム粉末を
４５％含有し、トナーを添加してブラウン色に着色した
エポキシ樹脂、アイカアイボンＥＸ−６９３Ａ、１００
部に、硬化剤としてアイカアイボンＥＸ−６９３Ｂを２
０部加え、２０℃の室内において撹拌混合した。調合後
の粘度は９ポイズであった。Next, an epoxy resin containing 45% calcium carbonate powder as a filler and colored brown by adding a toner, Aika Aibon EX-693A, 100
2 parts of Aica Aibon EX-693B as a hardening agent.
0 part was added, and the mixture was stirred and mixed in a room at 20°C. The viscosity after preparation was 9 poise.
【００３２】レベル出しした作業台の上に、前記の溝加
工した化粧ボードを、メラミン化粧板を下面にして置き
、調合したエポキシ樹脂を溝の内部に充填した。エポキ
シ樹脂の界面が化粧ボードの裏面と同一レベルとなり、
溝から溢れ出ない程度に充填した。最初に樹脂を注入し
てから６０分後に樹脂が硬化した。翌日、半径１５．５
ｍｍの半円用ドリルビットを装着したＮＣルーターに、
化粧ボードをセットし、ドリルビット回転数１８０００
ｒ．ｐ．ｍ、送り速度６ｍ／分で樹脂溝部分を面取加工
し、半径６２１ｍｍの円形天板を作成した。The grooved decorative board was placed on a leveled workbench with the melamine decorative board facing downward, and the grooves were filled with the prepared epoxy resin. The interface of the epoxy resin is at the same level as the back side of the decorative board,
It was filled to the extent that it did not overflow from the groove. The resin cured 60 minutes after the initial resin injection. The next day, radius 15.5
An NC router equipped with a mm semicircular drill bit,
Set the decorative board and drill bit rotation speed 18,000
r. p. The resin groove portion was chamfered at a feed rate of 6 m/min to create a circular top plate with a radius of 621 mm.
【００３３】この樹脂エッジは表面の気泡跡が極く軽微
であり、こげ跡はなくブラウン色の美観を示し、表１の
ような実用的な強度を持つものであった。This resin edge had very slight bubble marks on the surface, had no scorch marks, had a beautiful brown appearance, and had practical strength as shown in Table 1.
【００３４】[0034]
【表１】[Table 1]
【００３５】実施例２
表２の構成により材料を接着一体化し、厚さ３１ｍｍの
化粧ボードを作成した。Example 2 A decorative board having a thickness of 31 mm was prepared by bonding and integrating the materials according to the structure shown in Table 2.
【表２】[Table 2]
【００３６】次に、実施例１と同様にして、ＮＣルータ
ーを用いて溝付加工を行い、溝の内壁の木質材料部分に
材料の補強と充填樹脂の浸透を制御するためプライマー
として一液型ウレタン樹脂アイカジョリエースＪＵ−１
２７０（アイカ工業（株）商品）を塗布した。プライマ
ー樹脂が硬化したのち、ポリウレタン樹脂タケラックＰ
−５３（タケダ薬品工業（株）商品）５５部に架橋用プ
レポリマーとしてタケネートＦ−１３６（タケダ薬品工
業（株）商品）１００部と炭酸カルシウム粉末２５部（
調合樹脂中の含有率１２％）とウレタン用着色トナー（
グレイ色）５部、それに粘度調整のために可塑剤ＤＯＰ
１０部を加え、撹拌混合した。この調合樹脂の粘度は２
０℃で１８ポイズであった。Next, in the same manner as in Example 1, groove processing was performed using an NC router, and a one-component primer was used to reinforce the material and control the penetration of the filling resin into the wood material portion of the inner wall of the groove. Urethane resin Aika Jorie Ace JU-1
270 (product of Aica Kogyo Co., Ltd.) was applied. After the primer resin has hardened, apply polyurethane resin Takelac P.
-53 (product of Takeda Pharmaceutical Industries, Ltd.), 100 parts of Takenate F-136 (product of Takeda Pharmaceutical Industries, Ltd.) as a crosslinking prepolymer, and 25 parts of calcium carbonate powder (
12% content in blended resin) and colored toner for urethane (
(gray color) 5 parts, plus plasticizer DOP for viscosity adjustment
10 parts were added and mixed by stirring. The viscosity of this blended resin is 2
It was 18 poise at 0°C.
【００３７】次に、この調合した樹脂を実施例１と同様
にして、化粧ボードの溝の内部に充填し、室温下で硬化
させた。硬化に要した時間は約９０分であった。以下、
実施例１と同様の加工を行い、樹脂エッジ付き天板を作
成した。樹脂エッジは表面の気泡跡が極く軽微であり、
こげ跡はなくグレイ色の美観を示し、表３のような実用
的な強度を持つものであった。Next, in the same manner as in Example 1, this prepared resin was filled into the grooves of a decorative board and cured at room temperature. The time required for curing was approximately 90 minutes. below,
The same processing as in Example 1 was performed to create a top plate with a resin edge. The resin edge has very slight air bubble marks on the surface.
It had a beautiful gray appearance with no burn marks, and had practical strength as shown in Table 3.
【００３８】[0038]
【表３】[Table 3]
【００３９】比較例１
実施例２に比べて、硬化時間が短いポリウレタン樹脂充
填材を使用した以外は実施例２と同様にして樹脂エッジ
付き天板を作成した。充填材は、ポリエーテルポリオー
ルを主成分とするアイカアイボンＷ−１９００Ａ、１０
０部に充填剤としてクレーを１５部加え、次いで、イソ
シアネート系の硬化剤６０部を撹拌混合して使用した。
調合直後の粘度は、２０℃において１１ポイズ、硬化時
間は約３分であった。得られた樹脂エッジの表面には気
泡跡が目立ち、切削加工によるこげ跡が存在していた。Comparative Example 1 A top plate with a resin edge was prepared in the same manner as in Example 2 except that a polyurethane resin filler having a shorter curing time than in Example 2 was used. The filler is Aika Aibon W-1900A, 10, which is mainly composed of polyether polyol.
15 parts of clay was added as a filler to 0 parts, and then 60 parts of an isocyanate-based curing agent were mixed with stirring. The viscosity immediately after preparation was 11 poise at 20°C, and the curing time was about 3 minutes. On the surface of the obtained resin edge, there were noticeable bubble marks and scorch marks due to cutting.
【００４０】[0040]
【発明の効果】上述のように、本発明によれば芯材部へ
の合成樹脂の浸透があり、投描効果を示すことになるた
め、平面部本体と樹脂エッジ部の接合力が大きくなり、
耐久性のある一体化が実現する。[Effects of the Invention] As described above, according to the present invention, the synthetic resin permeates into the core material portion and exhibits a projection effect, which increases the bonding force between the flat portion main body and the resin edge portion. ,
A durable integration is achieved.
【００４１】しかも、樹脂部には気泡が極めて少なく、
そのため切削仕上げ加工面には気泡跡がほとんど存在せ
ず、滑らかな表面の樹脂エッジが得られる。また、表面
には切削加工によるこげ跡がなく、実用性に優れた、一
体化された樹脂エッジ付き天板が製造できる。更に、未
硬化液状合成樹脂を、表面へ溢出させることなく、溝の
深さと同一水準となるよう充填することにより、硬化中
の樹脂界面は、図４に示されるように上面が凹状となり
、樹脂充填した後、多数枚を重ねて載置しても、上下の
化粧ボードが互いに樹脂で接合されてしまうことが避け
られる。しかも、樹脂中から浮き上がってくる気泡は大
気と連なっている凹部の溝を通って外部へ揮散するので
、広い場所をとらずに硬化工程を行える生産上の効果が
ある。Moreover, there are very few air bubbles in the resin part,
Therefore, there are almost no traces of air bubbles on the machined surface, resulting in a resin edge with a smooth surface. In addition, there are no scorch marks on the surface due to cutting, and it is possible to manufacture a top plate with an integrated resin edge that is highly practical. Furthermore, by filling the uncured liquid synthetic resin to the same level as the depth of the groove without overflowing to the surface, the resin interface during curing has a concave upper surface as shown in FIG. Even if a large number of decorative boards are placed one on top of the other after filling, it is possible to avoid the upper and lower decorative boards from being joined to each other with resin. Moreover, since the air bubbles that rise from the resin evaporate to the outside through the grooves in the recesses that are connected to the atmosphere, there is an advantage in production that the curing process can be carried out without taking up a large space.
【図１】この発明による樹脂エッジ付き天板の一例を示
す斜視図。FIG. 1 is a perspective view showing an example of a top plate with a resin edge according to the present invention.
【図２】天板の材料となる化粧ボードの例を示す構成断
面図。Ａは本発明の実施例１に対応する構成断面図、Ｂ
は実施例２に対応する構成断面図。FIG. 2 is a cross-sectional view showing an example of a decorative board used as a material for the top plate. A is a cross-sectional view of the structure corresponding to Example 1 of the present invention, B
FIG. 2 is a cross-sectional view of the configuration corresponding to the second embodiment.
【図３】化粧ボードに溝を切削した状態を示す部分断面
図。FIG. 3 is a partial cross-sectional view showing a state in which grooves have been cut into the decorative board.
【図４】溝に合成樹脂が充填され、硬化した状態を示す
部分断面図。FIG. 4 is a partial cross-sectional view showing a state in which the grooves are filled with synthetic resin and hardened.
【図５】合成樹脂部を面取加工して、樹脂エッジを形成
した状態を示す部分断面図。FIG. 5 is a partial cross-sectional view showing a state in which a resin edge is formed by chamfering a synthetic resin part.
【図６】及び[Figure 6] and
【図７】樹脂エッジの他の断面形状。FIG. 7 shows another cross-sectional shape of the resin edge.
【図８】従来法によるシンクの取付例を示す断面図。FIG. 8 is a sectional view showing an example of installing a sink using a conventional method.
１ 樹脂エッジ付き天板
２ 化粧材
３ 樹脂エッジ
４ 化粧ボード
５ 芯材
５ａ、５ｂ、５ｃ 異なる材料から成る芯材６ 裏
打材
７ 溝
８ 合成樹脂充填材
９ 木ネジ
１０ フランジ
１１ シンク1 Top plate with resin edge 2 Decorative material 3 Resin edge 4 Decorative board 5 Core materials 5a, 5b, 5c Core material 6 made of different materials Backing material 7 Groove 8 Synthetic resin filler 9 Wood screws 10 Flange 11 Sink
Claims (4)
粧ボードの化粧材を残して連続した溝を芯材に切削し、
該溝に硬化温度条件での硬化時間が０．８〜５時間で、
しかも粘度５〜２０ポイズの未硬化液状樹脂を注入充填
して硬化させた後、断面形状が曲面を成すよう該合成樹
脂部を面取加工することを特徴とする樹脂エッジ付き天
板の製造方法。[Claim 1] Cut a continuous groove into the core material along the position that will become the edge of the top board, leaving the decorative material of the decorative board,
The groove has a curing time of 0.8 to 5 hours under curing temperature conditions,
Moreover, the method for producing a top plate with a resin edge is characterized in that after injecting and curing an uncured liquid resin having a viscosity of 5 to 20 poise, the synthetic resin portion is chamfered so that the cross-sectional shape forms a curved surface. .
請求項１の樹脂エッジ付き化粧天板の製造方法。2. The method for manufacturing a decorative top plate with a resin edge according to claim 1, wherein the synthetic resin is an epoxy resin.
て炭酸カルシウム粉末を５〜６０％含有する請求項１の
樹脂エッジ付き天板の製造方法。3. The method for manufacturing a top plate with a resin edge according to claim 1, wherein the synthetic resin contains 5 to 60% of calcium carbonate powder as an inorganic filler.
んで構成されている。請求項１の樹脂エツジ付き天板の
製造方法。4. The decorative board includes a core material containing a foam. A method for manufacturing a top plate with a resin edge according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3065632A JP2976005B2 (en) | 1991-03-05 | 1991-03-05 | Method of manufacturing top plate with resin edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3065632A JP2976005B2 (en) | 1991-03-05 | 1991-03-05 | Method of manufacturing top plate with resin edge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04278338A true JPH04278338A (en) | 1992-10-02 |
| JP2976005B2 JP2976005B2 (en) | 1999-11-10 |
Family
ID=13292592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3065632A Expired - Fee Related JP2976005B2 (en) | 1991-03-05 | 1991-03-05 | Method of manufacturing top plate with resin edge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2976005B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016215493A (en) * | 2015-05-20 | 2016-12-22 | 岐阜プラスチック工業株式会社 | Resin structure and method for manufacturing resin structure |
| EP4052612A1 (en) * | 2018-11-06 | 2022-09-07 | Fritz Egger GmbH & Co. OG | Edge strip and method for the production thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101402136B1 (en) * | 2012-04-03 | 2014-06-03 | 지용천 | A board edge manufacturing method |
| KR102218638B1 (en) * | 2019-02-11 | 2021-02-19 | 임해진 | Upper plate for wooden table and manufacturing method thereof |
-
1991
- 1991-03-05 JP JP3065632A patent/JP2976005B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016215493A (en) * | 2015-05-20 | 2016-12-22 | 岐阜プラスチック工業株式会社 | Resin structure and method for manufacturing resin structure |
| EP4052612A1 (en) * | 2018-11-06 | 2022-09-07 | Fritz Egger GmbH & Co. OG | Edge strip and method for the production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2976005B2 (en) | 1999-11-10 |
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