JPH0688422A - Manufacture of concrete form - Google Patents
Manufacture of concrete formInfo
- Publication number
- JPH0688422A JPH0688422A JP26672592A JP26672592A JPH0688422A JP H0688422 A JPH0688422 A JP H0688422A JP 26672592 A JP26672592 A JP 26672592A JP 26672592 A JP26672592 A JP 26672592A JP H0688422 A JPH0688422 A JP H0688422A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- plastic film
- adhesive
- adhesive layer
- adhesive surface
- 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
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、プラスチックフィルム
で表面が保護された木質のコンクリート型枠に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden concrete formwork whose surface is protected by a plastic film.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来よ
り、コンクリート打設の際に使用されるコンクリート型
枠としては、木質材、金属材、プラスチック材等により
形成されたものが用いられているが、特に木質材が広く
使用されている。2. Description of the Related Art Conventionally, a concrete formwork used for placing concrete is one made of a wood material, a metal material, a plastic material, or the like. However, wood materials are widely used.
【０００３】しかし、木質材は省資源等の点から最近に
おいては各種合板などの使用が要望されているが、この
ような合板等の木質材は吸水性が大きい問題がある。However, although wood materials have recently been required to be used in various plywoods from the viewpoint of resource saving, the wood materials such as plywoods have a problem of high water absorption.
【０００４】このため、木質材の表面にプラスチックフ
ィルムを積層することも提案されているが、合板などで
は表面に微小凹部があったり、場合によっては傷があっ
たりして、プラスチックフィルム貼着時にプラスチック
フィルムと基板との間に空気泡が残り、フクレが生じる
場合がしばしば生じる。このフクレは、平滑性の点で問
題が生じる上、フクレ部分が破れ易く、耐久性にも問題
があるものであった。For this reason, it has been proposed to laminate a plastic film on the surface of a wood material, but plywood or the like has minute recesses on the surface, or in some cases, scratches. Air bubbles often remain between the plastic film and the substrate, often causing blistering. The blisters had problems in smoothness, the blisters were easily broken, and the blisters had a problem in durability.
【０００５】本発明は上記事情に鑑みなされたもので、
木質基板上に空気泡を残存させず、表面平滑状態にプラ
スチックフィルムを積層することができるコンクリート
型枠の製造方法を提供することを目的とする。The present invention has been made in view of the above circumstances.
An object of the present invention is to provide a method for producing a concrete formwork in which air bubbles are not left on a wooden substrate and a plastic film can be laminated on the surface of the wooden substrate in a smooth state.
【０００６】[0006]
【課題を解決するための手段】本発明者は、上記目的を
達成するため、木質コンクリート型枠基板表面に接着剤
層を有するプラスチックフィルムを積層するに当り、上
記接着剤層の基板に対向する接着面に微細凹凸を形成
し、この接着剤層の微細凹凸接着面を基板の一端縁から
他端縁に向けて順次押圧することにより該接着面と基板
との接着部間に存する空気泡を排除しながら該接着面を
基板に接着して、上記基板表面に空気泡が除去された平
滑プラスチック面を形成することを特徴とするコンクリ
ート型枠の製造方法を提供する。In order to achieve the above object, the present inventor opposes a substrate of an adhesive layer when laminating a plastic film having an adhesive layer on the surface of a wooden concrete formwork substrate. By forming fine unevenness on the adhesive surface and sequentially pressing the fine uneven adhesive surface of the adhesive layer from one edge to the other edge of the substrate, air bubbles existing between the adhesive portion of the adhesive surface and the substrate are removed. Provided is a method for producing a concrete formwork, characterized in that the adhesive surface is adhered to a substrate while being eliminated to form a smooth plastic surface from which air bubbles have been removed, on the surface of the substrate.
【０００７】[0007]
【作用】本発明のコンクリート型枠の製造方法は、木質
コンクリート型枠基板表面に接着剤層を有するプラスチ
ックフィルムを積層するに当り、上記接着剤層の基板に
対向する接着面に微細凹凸を形成し、この接着剤層の微
細凹凸接着面を基板の一端縁から他端縁に向けて順次押
圧することにより該接着面と基板との接着部間に存する
空気泡を排除しながら該接着面を基板に接着するもので
あるから、基板上に接着剤層を介してプラスチックフィ
ルムを基板の一端縁から他端縁に貼着させていく場合、
基板と微細凹凸接着面との接着部から空気泡が順次排出
されていくと共に、基板の微小凹部などに空気が残存し
ていても、この空気は微細凹凸接着面を基板に押圧する
際、該接着面の微細凹凸間から排除、逸散され、従って
上記接着部に空気泡が残存することが防止され、プラス
チックフィルムにフクレが生じることが防止されるもの
である。According to the method of manufacturing a concrete formwork of the present invention, when a plastic film having an adhesive layer is laminated on the surface of a wooden concrete formwork substrate, fine irregularities are formed on the adhesive surface of the adhesive layer facing the substrate. Then, by sequentially pressing the fine concavo-convex adhesive surface of the adhesive layer from one edge of the substrate to the other edge, the adhesive surface is removed while eliminating air bubbles existing between the adhesive surface and the substrate. Since it is to be adhered to the substrate, when sticking the plastic film from one edge of the substrate to the other edge through the adhesive layer on the substrate,
While air bubbles are sequentially discharged from the bonding portion between the substrate and the fine concavo-convex adhesive surface, even if air remains in the minute concave portions of the substrate, this air is It is removed and scattered from between the fine irregularities on the adhesive surface, so that air bubbles are prevented from remaining in the adhesive portion and blisters are prevented from occurring on the plastic film.
【０００８】[0008]
【実施例】以下、本発明の一実施例につき図面を参照し
て説明する。図１は本発明の実施に用いる接着剤層を有
するプラスチックフィルム１の一例を示すもので、この
フィルム１は、ポリエチレン、ポリプロピレン、ポリエ
ステルなどからなり、厚さが通常１０〜１０００μｍと
されたフィルム基体２の一面に接着剤層３が形成され、
この接着剤層３の一面（基板との接着面）には、多数の
微細凹凸４が形成されているものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of a plastic film 1 having an adhesive layer used for carrying out the present invention. The film 1 is made of polyethylene, polypropylene, polyester or the like, and has a thickness of usually 10 to 1000 μm. The adhesive layer 3 is formed on one surface of
A large number of fine irregularities 4 are formed on one surface of the adhesive layer 3 (adhesion surface to the substrate).
【０００９】ここで、接着剤層３としては、熱接着性を
有するものが好適に使用し得、例えばエチレン−酢酸ビ
ニル共重合体系接着剤などのホットメルト接着剤が使用
できる。Here, as the adhesive layer 3, one having a heat adhesive property can be preferably used, and for example, a hot melt adhesive such as an ethylene-vinyl acetate copolymer adhesive can be used.
【００１０】上記プラスチックフィルム１を用いて木質
コンクリート型枠基板に積層する場合は、図２に示すよ
うに上記接着剤層３の微細凹凸接着面４を基板５の一端
縁から他端縁に向けて順次押圧していく。この場合、押
圧には、図示したようなロール６を使用することがで
き、接着剤層３が熱接着性タイプの場合は該ロール６を
加熱し、接着剤層３を順次加熱溶融させながら、基板５
に接着させることができる。When the plastic film 1 is used to laminate on a wooden concrete formwork substrate, the fine concavo-convex adhesive surface 4 of the adhesive layer 3 is directed from one edge of the substrate 5 to the other edge as shown in FIG. And press sequentially. In this case, a roll 6 as shown in the figure can be used for pressing, and when the adhesive layer 3 is a heat-adhesive type, the roll 6 is heated, and while the adhesive layer 3 is sequentially heated and melted, Board 5
Can be glued to.
【００１１】このように接着面４を基板５の一端縁から
他端縁に向けて順次押圧していくことにより、接着面４
と基板５との接着部間に存する空気泡が排除され、この
際基板５に微小細凹部に空気が残存していてもこの空気
は接着面５の微細凹凸から外部に排除、逃散せしめられ
るから、プラスチックフィルム１は空気泡を上記接着部
間に残すことなく、それ故フクレを生じさせることなく
平滑状態に接着されるものである。In this way, the adhesive surface 4 is sequentially pressed from one end edge of the substrate 5 to the other end edge thereof, whereby the adhesive surface 4 is pressed.
Air bubbles existing between the bonding portion between the substrate 5 and the substrate 5 are removed, and at this time, even if air remains in the minute fine recesses on the substrate 5, this air is removed and escapes from the fine unevenness of the bonding surface 5 to the outside. The plastic film 1 is bonded in a smooth state without leaving air bubbles between the above-mentioned bonded portions, and hence, without causing blister.
【００１２】なお、接着剤層３が熱接着性タイプの場
合、図２に示したように、接着部は微小凹凸が熱溶融
し、微細凹凸が平坦化して微細凹凸が消失するが、この
時接着部に存する空気は未だ溶融していない微細凹凸か
ら逃散するので、接着部に空気泡が残存することがない
ものである。When the adhesive layer 3 is a heat-adhesive type, as shown in FIG. 2, the fine irregularities in the adhesive portion are melted by heat, and the fine irregularities are flattened to disappear. Since the air existing in the bonded portion escapes from the fine irregularities that have not yet been melted, air bubbles do not remain in the bonded portion.
【００１３】従って、この方法は、表面に微小凹部や傷
などのある木質材、例えば従来コンクリート型枠に使用
し難かった針葉樹製合板やパーティクルボードなどを基
板として有効に使用することを可能とするものである。Therefore, according to this method, it is possible to effectively use a wood material having fine recesses or scratches on its surface, for example, a softwood plywood or a particle board, which has been difficult to use in a conventional concrete formwork, as a substrate. It is a thing.
【００１４】[0014]
【発明の効果】本発明のコンクリート型枠の製造方法に
よれば、プラスチックフィルムと木質基板との接着部に
空気泡を残すことなくプラスチックフィルムを基板に接
着でき、このためプラスチックフィルムにフクレがな
く、平滑化されるので、耐久性が高いものである。According to the method for producing a concrete formwork of the present invention, the plastic film can be adhered to the substrate without leaving air bubbles in the adhesion portion between the plastic film and the wooden substrate, and therefore, the plastic film is free from blisters. Since it is smoothed, it has high durability.
【図１】本発明に用いるプラスチックフィルムの一例を
示す断面図である。FIG. 1 is a cross-sectional view showing an example of a plastic film used in the present invention.
【図２】同プラスチックフィルムを木質基板に接着する
状態を示す断面図である。FIG. 2 is a cross-sectional view showing a state in which the plastic film is bonded to a wooden substrate.
１ プラスチックフィルム ２ プラスチックフィルム基体 ３ 接着剤層 ４ 微細凹凸接着面 ５ 木質コンクリート型枠基板 ６ ロール DESCRIPTION OF SYMBOLS 1 Plastic film 2 Plastic film base 3 Adhesive layer 4 Fine uneven adhesion surface 5 Wood concrete formwork substrate 6 Roll
───────────────────────────────────────────────────── フロントページの続き (72)発明者 武井 吉一 東京都品川区上大崎３−３−19 (72)発明者 丸山 則義 東京都多摩市貝取２−２−10−104 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshikazu Takei 3-3-19 Kamiosaki, Shinagawa-ku, Tokyo (72) Inventor Noriyoshi Maruyama 2-2-10-104 Katori, Tama City, Tokyo
Claims (1)
層を有するプラスチックフィルムを積層するに当り、上
記接着剤層の基板に対向する接着面に微細凹凸を形成
し、この接着剤層の微細凹凸接着面を基板の一端縁から
他端縁に向けて順次押圧することにより該接着面と基板
との接着部間に存する空気泡を排除しながら該接着面を
基板に接着して、上記基板表面に空気泡が除去された平
滑プラスチック面を形成することを特徴とするコンクリ
ート型枠の製造方法。1. When laminating a plastic film having an adhesive layer on the surface of a wooden concrete formwork substrate, fine irregularities are formed on the adhesive surface of the adhesive layer facing the substrate, and the fine irregularities of the adhesive layer are formed. By sequentially pressing the adhesive surface from one edge to the other edge of the substrate to eliminate air bubbles existing between the adhesive portion of the adhesive surface and the substrate, the adhesive surface is adhered to the substrate, and the substrate surface A method for producing a concrete formwork, comprising forming a smooth plastic surface from which air bubbles have been removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4266725A JP2705482B2 (en) | 1992-09-09 | 1992-09-09 | Method of manufacturing concrete formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4266725A JP2705482B2 (en) | 1992-09-09 | 1992-09-09 | Method of manufacturing concrete formwork |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0688422A true JPH0688422A (en) | 1994-03-29 |
| JP2705482B2 JP2705482B2 (en) | 1998-01-28 |
Family
ID=17434819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4266725A Expired - Fee Related JP2705482B2 (en) | 1992-09-09 | 1992-09-09 | Method of manufacturing concrete formwork |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2705482B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184049U (en) * | 1985-05-07 | 1986-11-17 | ||
| JPS62155165U (en) * | 1986-03-26 | 1987-10-02 |
-
1992
- 1992-09-09 JP JP4266725A patent/JP2705482B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61184049U (en) * | 1985-05-07 | 1986-11-17 | ||
| JPS62155165U (en) * | 1986-03-26 | 1987-10-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2705482B2 (en) | 1998-01-28 |
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