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JP4138620B2 - Joint gasket - Google Patents
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JP4138620B2 - Joint gasket - Google Patents

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JP4138620B2
JP4138620B2 JP2003328486A JP2003328486A JP4138620B2 JP 4138620 B2 JP4138620 B2 JP 4138620B2 JP 2003328486 A JP2003328486 A JP 2003328486A JP 2003328486 A JP2003328486 A JP 2003328486A JP 4138620 B2 JP4138620 B2 JP 4138620B2
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joint
gasket
resin
epdm
exterior
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JP2005090178A (en
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寿之 吉村
芳美 川本
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Nishikawa Rubber Co Ltd
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Nishikawa Rubber Co Ltd
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Description

本発明は、建築用外壁パネル間の目地空間に嵌入され、その目地空間をシールする目地用ガスケットに関する。   The present invention relates to a joint gasket that fits into a joint space between building outer wall panels and seals the joint space.

従来、図6に示すように、建築物の外壁パネル間に形成される目地空間を塞ぐ定型の目地用ガスケット10には、シール機能を発揮する基材部11にEPDM(エチレン−プロピレンゴム)を使用し、外観部分である外装部12に外壁パネルの色に合わせたCPE(塩素化ポリエチレン)、又はCSM(クロロスルホン化ポリエチレン)、又はEPDM等を使用したゴム製のものがある。
また、図7に示すように、基材部11及び外装部12を含めた全体を、PVC(ポリ塩化ビニル)やTPE(熱可塑性エラストマー)で形成した熱可塑性樹脂製のものもある(例えば、特許文献1参照)。
特開2000−355983号
Conventionally, as shown in FIG. 6, a fixed joint gasket 10 that closes joint spaces formed between outer wall panels of a building is made of EPDM (ethylene-propylene rubber) as a base material portion 11 that exhibits a sealing function. There is a rubber-made one using CPE (chlorinated polyethylene), CSM (chlorosulfonated polyethylene), EPDM or the like, which is used and the exterior portion 12 which is an appearance portion is matched to the color of the outer wall panel.
Moreover, as shown in FIG. 7, there is also a thing made of a thermoplastic resin in which the whole including the base material portion 11 and the exterior portion 12 is formed of PVC (polyvinyl chloride) or TPE (thermoplastic elastomer) (for example, Patent Document 1).
JP 2000-359883 A

目地用ガスケットの材料としては、長時間に渡って建物に取り付くため耐久性のあるものが要求される。該目地用ガスケットでゴム製の場合、シール機能として耐久性はあるものの外装部の材料は経年とともに退色傾向にあり、メンテナンスするとしても塗料の密着性など技術課題が解決できてない。一方、オレフィン系,スチレン系のTPE製の場合、耐候性がよくクリアコートできることでより耐候性が優れたものとすることができるが、シール性の面ではEPDM製の方が優れている。   The material for the joint gasket is required to be durable because it can be attached to the building for a long time. When the joint gasket is made of rubber, the material for the exterior part tends to fade with the lapse of time, although the sealing function is durable, technical problems such as paint adhesion cannot be solved even if maintenance is performed. On the other hand, in the case of an olefin-based or styrene-based TPE, the weather resistance is good and the clear coating can be achieved, so that the weather resistance can be further improved. However, the EPDM is superior in terms of sealing performance.

そこで、本発明の目的とするところは、耐候性とシール性の両方に優れた目地用ガスケットを提供することにある。   Accordingly, an object of the present invention is to provide a joint gasket excellent in both weather resistance and sealing performance.

上記の目的を達成するために、本発明の請求項1に記載の発明は、建築用外壁パネル(P)間の目地空間(G)に嵌入され、該目地空間(G)をシールする目地用ガスケットであって、前記目地空間(G)をシールする部分である基材部(2)をEPDMで形成し、外観部分である外装部(3)の内表面をEPDMで形成し、外装部(3)の外表面をアクリル樹脂、又はABS樹脂、又はAES樹脂で形成し、外装部(3)の内表面と外表面との間に接着層として中間層を形成したことを特徴とする。 In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention is used for a joint which is fitted into a joint space (G) between the building outer wall panels (P) and seals the joint space (G). A base material portion (2) which is a gasket and seals the joint space (G) is formed of EPDM, and an inner surface of an exterior portion (3) which is an appearance portion is formed of EPDM. The outer surface of 3) is formed of acrylic resin, ABS resin, or AES resin , and an intermediate layer is formed as an adhesive layer between the inner surface and the outer surface of the exterior part (3).

また、請求項2に記載の発明は、前記中間層がオレフィン系樹脂であることを特徴とする。 The invention according to claim 2 is characterized in that the intermediate layer is an olefin resin.

また、請求項3に記載の発明は、前記オレフィン系樹脂がポリエチレンであることを特徴とする。 The invention according to claim 3 is characterized in that the olefin resin is polyethylene.

また、請求項4に記載の発明は、前記外装部(3)の外表面にクリアコートもしくは外壁と同色の塗装を施したことを特徴とする。 The invention described in claim 4 is characterized in that the outer surface of the exterior part (3) is coated with a clear coat or the same color as the outer wall.

本発明によれば、基材部をEPDMで形成し、外観部分である外装部の内表面をEPDMで形成し、外装部の外表面を、アクリル樹脂、又はABS樹脂、又はAES樹脂で形成し、外装部の内表面と外表面との間に接着層として中間層を、例えばポリエチレンなどのオレフィン系樹脂によって形成したので、これらの持つ高い耐候性により、より優れた耐久性を備えた目地用ガスケットを提供することができる。
また、これらの持つ高い透明性により、透明の塗膜層を容易に形成することができる。
According to the present invention, to form a base portion with EPDM, the inner surface of the exterior part is an external part formed by EPDM, the outer surface of the exterior portion, is formed with an acrylic resin, or ABS resin, or an AES resin , an intermediate layer as an adhesive layer between the inner and outer surfaces of the exterior portion, for example, so formed by olefin resin such as polyethylene, the high weather resistance possessed by these, for joint with greater durability A gasket can be provided.
Moreover, a transparent coating film layer can be easily formed by these high transparency.

また、本発明によれば、外装部の外表面にクリアコートもしくは外壁と同色の塗装を施すので、耐候性に優れたものにすることができ見栄えよくすることもできる。   Further, according to the present invention, since the clear coat or the same color coating as the outer wall is applied to the outer surface of the exterior part, the weather resistance can be improved and the appearance can be improved.

図1および図2を参照して、本発明の第一実施形態に係る目地用ガスケット1について説明する。図1は、目地空間Gの底まで嵌入する底目地タイプの目地用ガスケット1を示す断面図であり、(a)は嵌入前の状態、(b)は嵌入後の状態を示す断面図である。また、図2は、外装部3を目地空間Gの上に被せるかぶせ目地タイプを示す断面図であり、(a)は嵌入前の状態、(b)は嵌入後の状態を示す断面図である。なお、従来例で示したものと同一部分には同一符合を付した。   With reference to FIG. 1 and FIG. 2, the joint gasket 1 which concerns on 1st embodiment of this invention is demonstrated. FIG. 1 is a cross-sectional view showing a joint gasket 1 of a bottom joint type that fits to the bottom of the joint space G, (a) is a state before insertion, and (b) is a cross-sectional view showing a state after insertion. . FIG. 2 is a cross-sectional view showing a joint type that covers the exterior part 3 on the joint space G, (a) is a state before insertion, and (b) is a cross-sectional view showing a state after insertion. . In addition, the same code | symbol was attached | subjected to the same part as what was shown in the prior art example.

本発明の第一実施形態に係る目地用ガスケット1は、建築用外壁パネルP間の目地空間Gに嵌入され、当該目地空間Gをシールするものである。そして、目地空間Gをシールする部分である基材部2をEPDMで形成し、外観部分である外装部3をオレフィン系又はスチレン系のTPEで形成している。
この基材部2と外装部3は共押出成形によって、一体的に成形している。なお、本実施形態では、頭部Hの全体を外装部3としている。
The joint gasket 1 according to the first embodiment of the present invention is fitted into the joint space G between the building outer wall panels P and seals the joint space G. And the base material part 2 which is a part which seals the joint space G is formed with EPDM, and the exterior part 3 which is an external appearance part is formed with olefin type or styrene type TPE.
The base material portion 2 and the exterior portion 3 are integrally formed by coextrusion molding. In the present embodiment, the entire head H is the exterior portion 3.

この目地用ガスケット1は、その基材部2を構成するEPDMが高いシール性を発揮し、また、外装部3を構成するTPEが高い耐候性を発揮するので、シール性と耐候性において優れる。   The gasket 1 for joints is excellent in sealability and weather resistance because EPDM constituting the base material portion 2 exhibits high sealing properties and TPE constituting the exterior portion 3 exhibits high weather resistance.

次に、図3を参照して、本発明の第二実施形態に係る目地用ガスケット1について説明する。図3は目地用ガスケット1を示す断面図である。
この目地用ガスケット1も、基材部2をEPDMで形成し、外装部3をTPEで形成している。そして、外装部3を、頭部Hの全体ではなく、その外表面のみに形成したことを特徴としている。この外装部3の厚みは、頭部Hにゴムシール性を有するために、0.2〜1.0mmに設定するのが好ましい。また、この場合、TPEの硬さは45度以上のものが好ましい。
Next, the joint gasket 1 according to the second embodiment of the present invention will be described with reference to FIG. FIG. 3 is a cross-sectional view showing the joint gasket 1.
This joint gasket 1 also has a base material portion 2 made of EPDM and an exterior portion 3 made of TPE. And the exterior part 3 was formed not in the whole head H but only in the outer surface. The thickness of the exterior portion 3 is preferably set to 0.2 to 1.0 mm so that the head H has rubber sealability. In this case, the hardness of TPE is preferably 45 degrees or more.

次に、図4を参照して、本発明の第三実施形態に係る目地用ガスケット1について説明する。図4は目地用ガスケット1を示す断面図である。
この目地用ガスケット1も、同様に、基材部2をEPDMで形成し、外装部3をTPEで形成しており、その特徴は、外装部3を、頭部Hのみでなく、外側リップ部Lにも形成していることである。
これにより、頭部Hのみでなく外側リップ部Lの耐候性も併せて高めることができる。
Next, the joint gasket 1 according to the third embodiment of the present invention will be described with reference to FIG. FIG. 4 is a cross-sectional view showing the joint gasket 1.
Similarly, the joint gasket 1 is formed by forming the base portion 2 with EPDM and the exterior portion 3 with TPE. The feature of the exterior portion 3 is not only the head H but also the outer lip portion. L is also formed.
Thereby, not only the head H but the weather resistance of the outer lip L can also be improved.

次に、図5を参照して、本発明の第三実施形態に係る目地用ガスケット1について説明する。図5は目地用ガスケット1を示す断面図である。
この目地用ガスケット1は、基材部2をEPDMで形成し、外装部3の外表面をアクリル樹脂、又はABS樹脂、又はAES樹脂で被膜形成しているのでその上には容易に塗装ができることとなる。前記アクリル樹脂、ABS樹脂、AES樹脂らは塗料との密着性が一般的に良好であるため塗料の選択範囲が広がる上で有効である。但し、EPDMと前記アクリル樹脂、ABS樹脂、AES樹脂は接着できないため、その接着改良としてポリエチレン層をEPDMと、前記アクリル樹脂、ABS樹脂、AES樹脂との間に介在させると接着性が向上する。この外装部3を構成するポリエチレン層の被膜は0.1〜1.0mm,アクリル樹脂、ABS樹脂、AES樹脂層は0.2〜1.0mmが適当である。
本実施形態の目地用ガスケットは、外装部3の外表面に塗装性のよい樹脂層を形成するとともに、耐候性のある塗装を施すことができるので優れた耐候性を有する目地用ガスケットとすることができる。
塗料としては、アクリルシリコン系、フッ素系、ウレタン系、アクリル系があげられるが、アクリル樹脂、ABS樹脂、AES樹脂との接着性や耐候性の点からアクリルシリコン系又はフッ素系が好ましい。
Next, a joint gasket 1 according to a third embodiment of the present invention will be described with reference to FIG. FIG. 5 is a cross-sectional view showing the joint gasket 1.
The joint gasket 1 has a base material portion 2 made of EPDM, and an outer surface of the exterior portion 3 is coated with acrylic resin, ABS resin, or AES resin, so that it can be easily painted on it. It becomes. The acrylic resin, ABS resin, AES resin and the like are effective in widening the selection range of the paint because of their generally good adhesion to the paint. However, since EPDM and the acrylic resin, ABS resin, and AES resin cannot be bonded, adhesion is improved when a polyethylene layer is interposed between EPDM and the acrylic resin, ABS resin, and AES resin as an adhesion improvement. Appropriately, the coating of the polyethylene layer constituting the exterior portion 3 is 0.1 to 1.0 mm, and the acrylic resin, ABS resin, and AES resin layer is 0.2 to 1.0 mm.
The joint gasket according to the present embodiment is a joint gasket having excellent weather resistance because a resin layer having good paintability is formed on the outer surface of the exterior portion 3 and a weather-resistant coating can be applied. Can do.
Examples of the paint include acrylic silicon, fluorine, urethane, and acrylic, but acrylic silicon and fluorine are preferred from the viewpoint of adhesion to acrylic resin, ABS resin, and AES resin and weather resistance.

前記全ての実施形態において、外装部3を構成するTPEとしては、オレフィン系やスチレン系のものが耐候性等の点から適している。また、硬度に関しては、底目地タイプの目地用ガスケット1では、基材部2を構成するEPDMおよび外装部3を構成するTPEは、共に、60〜80度(デュロメーターA)のものが最適である。また、かぶせ目地タイプのものでは、EPDMが60〜80度で、TPEが80度以上が適している。   In all the above-described embodiments, as the TPE constituting the exterior portion 3, an olefin-based or styrene-based one is suitable from the viewpoint of weather resistance and the like. Regarding the hardness of the joint gasket 1 of the bottom joint type, the EPDM constituting the base material portion 2 and the TPE constituting the exterior portion 3 are both optimally 60 to 80 degrees (durometer A). . For the cover joint type, it is suitable that the EPDM is 60 to 80 degrees and the TPE is 80 degrees or more.

本発明の第一実施形態に係る底目地タイプの目地用ガスケットを示すもので、(a)は目地空間に嵌入する前の状態、(b)は嵌入後の状態を示す断面図である。The bottom joint type gasket for joints which concerns on 1st embodiment of this invention is shown, (a) is the state before inserting in joint area, (b) is sectional drawing which shows the state after insertion. 同じく、本発明の第一実施形態に係るかぶせ目地タイプの目地用ガスケットを示すもので、(a)は目地空間に嵌入する前の状態、(b)は嵌入後の状態を示す断面図である。Similarly, the joint gasket of the joint type according to the first embodiment of the present invention is shown, (a) is a state before fitting into the joint space, (b) is a cross-sectional view showing the state after fitting. . 本発明の第二実施形態に係る目地用ガスケットを示す断面図である。It is sectional drawing which shows the gasket for joints which concerns on 2nd embodiment of this invention. 本発明の第三実施形態に係る目地用ガスケットを示す断面図である。It is sectional drawing which shows the gasket for joints which concerns on 3rd embodiment of this invention. 本発明の第四実施形態に係る目地用ガスケットを示す断面図である。It is sectional drawing which shows the gasket for joints which concerns on 4th embodiment of this invention. 従来例に係る目地用ガスケットを示す断面図である。It is sectional drawing which shows the gasket for joints which concerns on a prior art example. 他の従来例に係る目地用ガスケットを示す断面図である。It is sectional drawing which shows the gasket for joints which concerns on another prior art example.

符号の説明Explanation of symbols

1 目地用ガスケット
2 基材部
3 外装部
4 塗装性のよい樹脂
10 目地用ガスケット
11 基材部
12 外装部
H 頭部
L 外側リップ部
P 外壁パネル
G 目地空間
DESCRIPTION OF SYMBOLS 1 Gasket for joint 2 Base material part 3 Exterior part 4 Resin with good paintability 10 Gasket for joint 11 Base material part 12 Exterior part H Head L Outer lip part P Outer wall panel G Joint space

Claims (4)

建築用外壁パネル間の目地空間に嵌入され、該目地空間をシールする目地用ガスケットであって、
前記目地空間をシールする部分である基材部をEPDMで形成し、外観部分である外装部の内表面をEPDMで形成し、外装部の外表面をアクリル樹脂、又はABS樹脂、又はAES樹脂で形成し、外装部の内表面と外表面との間に接着層として中間層を形成したことを特徴とする目地用ガスケット。
A joint gasket that is fitted into a joint space between the building outer wall panels and seals the joint space,
The base material part that seals the joint space is formed of EPDM, the inner surface of the exterior part that is the appearance part is formed of EPDM, and the outer surface of the exterior part is made of acrylic resin, ABS resin, or AES resin. A gasket for joints formed by forming an intermediate layer as an adhesive layer between an inner surface and an outer surface of an exterior part.
前記中間層がオレフィン系樹脂であることを特徴とする請求項1に記載の目地用ガスケット。 The joint gasket according to claim 1 , wherein the intermediate layer is an olefin resin. 前記オレフィン系樹脂がポリエチレンであることを特徴とする請求項2に記載の目地用ガスケット。 The joint gasket according to claim 2 , wherein the olefin resin is polyethylene. 前記外装部の外表面にクリアコートもしくは外壁と同色の塗装を施したことを特徴とする請求項1乃至3のうちいずれか一つに記載の目地用ガスケット。 The joint gasket according to any one of claims 1 to 3 , wherein the outer surface of the exterior part is coated with a clear coat or the same color as the outer wall.
JP2003328486A 2003-09-19 2003-09-19 Joint gasket Expired - Fee Related JP4138620B2 (en)

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JP4566812B2 (en) * 2005-04-28 2010-10-20 西川ゴム工業株式会社 Laminate and method for producing the same
JP5610705B2 (en) * 2008-06-20 2014-10-22 西川ゴム工業株式会社 gasket
CN103671918B (en) * 2013-12-06 2016-05-25 艾志(南京)环保管接技术股份有限公司 A kind of metal serrated gasket of the interspersed rank of only presenting a theatrical performance as the last item on a programme
JP6414976B2 (en) * 2014-04-17 2018-10-31 東海興業株式会社 Joint material
JP7015672B2 (en) * 2017-10-24 2022-02-03 Nok株式会社 gasket
JP7197073B2 (en) * 2019-05-15 2022-12-27 トヨタホーム株式会社 Joint material

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