JPH06247151A - Weather strip - Google Patents
Weather stripInfo
- Publication number
- JPH06247151A JPH06247151A JP50A JP6116493A JPH06247151A JP H06247151 A JPH06247151 A JP H06247151A JP 50 A JP50 A JP 50A JP 6116493 A JP6116493 A JP 6116493A JP H06247151 A JPH06247151 A JP H06247151A
- Authority
- JP
- Japan
- Prior art keywords
- weather strip
- hollow seal
- silicone
- sponge
- silicon
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車のウエザースト
リップに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile weather strip.
【０００２】[0002]
【従来の技術】図１・図２を参考にして説明する。図中
１０は基底部、２０は中空シール部、３０はリップ、４
０は芯金、５０は起毛布である。2. Description of the Related Art A description will be given with reference to FIGS. In the figure, 10 is a base portion, 20 is a hollow seal portion, 30 is a lip, 4
Reference numeral 0 is a core metal, and 50 is a raised cloth.
【０００３】従来、自動車のウエザーストリップは、例
えば図１に示すように、材料としてＥＰＤＭスポンジＥ
を使用したものが主流である。さらに、その表面に耐摩
耗性・滑り性向上を目的にシリコーン材料のコーティン
グを施したものもある。また、例えば、高熱を受け、高
い耐熱性を要求されるサンルーフ用ウエザーストリップ
の中空シール部２０の材料として、図２に示すように、
例えばシリコーンチューブＵ等耐熱性が高く、歪みの小
さいシリコーン材料を当て、シール面２１に起毛布５０
を貼付けたものが使用されている。なお、１０はＰＶＣ
よりなる基底部、４０はその基底部１０に埋設した芯金
である。Conventionally, weather strips for automobiles are made of EPDM sponge E as a material, as shown in FIG. 1, for example.
The one using is the mainstream. Further, there is also one whose surface is coated with a silicone material for the purpose of improving wear resistance and slipperiness. Further, for example, as a material of the hollow seal portion 20 of a weather strip for a sunroof which receives high heat and is required to have high heat resistance, as shown in FIG.
For example, a silicone material such as a silicone tube U having a high heat resistance and a small strain is applied to the sealing surface 21 and the raised cloth 50
The one with is attached is used. In addition, 10 is PVC
The reference numeral 40 is a cored bar embedded in the base 10.
【０００４】しかしながら、図１に示すＥＰＤＭスポン
ジからなるウエザーストリップは、圧縮永久歪・耐熱耐
寒性に欠ける欠点があり、シリコーン材料をコーティン
グしたものはＥＰＤＭとの密着性が悪く、耐久性に欠け
ると言う問題点がある。また、図２に示すシリコーン材
料を使ったサンルーフ用ウエザーストリップは、その点
は問題ないが、加工が困難であると同時に変化部の金型
成形が出来ないと言う問題点がある。However, the weather strip made of EPDM sponge shown in FIG. 1 has the drawback of lacking compression set and heat and cold resistance, and the one coated with a silicone material has poor adhesion to EPDM and lacks durability. There is a problem to say. Further, the sunroof weather strip using the silicone material shown in FIG. 2 has no problem in that respect, but it has a problem that it is difficult to process and at the same time, it is impossible to mold the changing portion.
【０００５】[0005]
【発明が解決しようとする課題】解決しようとする問題
点は、上記従来のＥＰＤＭスポンジ製のウエザーストリ
ップは、圧縮永久歪・耐熱耐寒性に欠ける欠点があり、
また、シリコーン材料を使ったサンルーフ用ウエザース
トリップは、加工が困難であると同時に変化部の金型成
形が出来ないことである。The problem to be solved is that the conventional weather strip made of EPDM sponge has the drawbacks of lacking compression set and heat and cold resistance.
In addition, a weather strip for a sunroof using a silicone material is difficult to process, and at the same time, it is impossible to mold the changing portion.
【０００６】[0006]
【課題を解決するための手段】図３乃至図１０を参考に
して説明する。第１の発明は、少なくとも中空シール部
２０がポリアルキルアルケニルシロキサンを主成分とし
たシリコーン組成物よりなる自動車用ウエザーストリッ
プである。Means for Solving the Problems An explanation will be given with reference to FIGS. The first invention is a weather strip for an automobile, in which at least the hollow seal portion 20 is made of a silicone composition containing polyalkylalkenyl siloxane as a main component.
【０００７】第２の発明は、表面の少なくとも一部に一
体に形成した被膜２５がポリアルキルアルケニルシロキ
サンを主成分としたシリコーン組成物よりなる自動車用
ウエザーストリップである。A second aspect of the present invention is an automotive weather strip in which the coating 25 integrally formed on at least a part of the surface is made of a silicone composition containing polyalkylalkenyl siloxane as a main component.
【０００８】[0008]
【実施例】実施例について説明すると、ウエザーストリ
ップは次のように構成される。すなわち、１０は基底
部、２０，３０はその基底部１０にそれぞれ一体に結合
した中空シール部、リップ、２１はシール面、２５は表
面全部或いは一部に形成した被膜、４０はその基底部１
０に埋設した芯金である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Explaining the embodiments, the weather strip is constructed as follows. That is, 10 is a base portion, 20 and 30 are hollow seal portions integrally connected to the base portion 10, a lip, 21 is a sealing surface, 25 is a coating formed on all or part of the surface, and 40 is the base portion 1 thereof.
It is a core metal embedded in 0.
【０００９】第１の発明は、少なくとも中空シール部２
０には、ポリアルキルアルケニルシロキサンを主成分と
して、二酸化珪素・金属化合物などを配合したシリコー
ン組成物よりなる。The first invention is at least a hollow seal portion 2.
In No. 0, a silicone composition containing polyalkylalkenyl siloxane as a main component and compounded with silicon dioxide, a metal compound and the like.
【００１０】第２の発明は、表面の少なくとも一部に一
体に形成する被膜２５が前記シリコーン組成物よりなる
ものである。A second aspect of the invention is that the coating film 25 integrally formed on at least a part of the surface is made of the silicone composition.
【００１１】各実施態様について説明すると、第１の発
明について説明すると、先ず図３に示すものは、ウエザ
ーストリップの全てをシリコーン組成物であるシリコー
ンスポンジＳまたはシリコーンソリッドＴで構成し、図
４乃至図７に示すものは、中空シール部２０にシリコー
ンスポンジを、基底部１０にＥＰＤＭスポンジもしくは
ソリッドを使ったものである。Each embodiment will be described. First, the first invention will be described. First, as shown in FIG. 3, all of the weather strips are composed of silicone sponge S or silicone solid T which is a silicone composition, and FIGS. In FIG. 7, the hollow seal portion 20 is made of silicone sponge, and the base portion 10 is made of EPDM sponge or solid.
【００１２】第２の発明について説明すると、図８及び
図９はいずれも基材をシリコーンスポンジＳにし、被膜
２５にシリコーンソリッドＴを使い、図１０に示すもの
は中空シール部２０にシリコーンスポンジＳを、基底部
１０にＥＰＤＭスポンジＥを、被膜２５にシリコーンソ
リッドＴに使ったものである。The second invention will be described. In both FIGS. 8 and 9, the base material is a silicone sponge S, the coating 25 is a silicone solid T, and the hollow seal portion 20 is a silicone sponge S in FIG. The EPDM sponge E is used for the base portion 10 and the silicone solid T is used for the coating film 25.
【００１３】作用について、表１に示すＥＰＤＭ組成物
（配合１）とシリコーン組成物（配合２）とを比較す
る。図１に示すＥＰＤＭスポンジ製ウエザーストリップ
（見掛比重０．６）と図３に示すシリコーンスポンジ製
ウエザーストリップ（見掛比重０．２５）を基準面Ｂに
対して中空シール部２０の高さＨを３０％圧縮して高さ
ｈ（Ｈ×０．７＝ｈ）まで圧縮して圧縮永久歪の残る割
合を％で出した結果を表２に示す（ＪＩＳ．Ｋ６３０１
による）。Regarding the action, the EPDM composition (formulation 1) shown in Table 1 and the silicone composition (formulation 2) are compared. The EPDM sponge weather strip (apparent specific gravity 0.6) shown in FIG. 1 and the silicone sponge weather strip (apparent specific gravity 0.25) shown in FIG. Is compressed by 30% to a height h (H × 0.7 = h), and the percentage of remaining compression set is shown in Table 2 (JIS.K6301).
by).
【００１４】[0014]
【表１】 [Table 1]
【００１５】[0015]
【表２】 [Table 2]
【００１６】また、図１に示すＥＰＤＭスポンジ製ウエ
ザーストリップ（ＨS６０°〜７５°）と図３に示すシ
リコーンスポンジ製ウエザーストリップ（ＨS６０°〜
７５°）を耐寒テスト終了直後に取出したときの硬さ変
化を表３に示す。Further, EPDM sponge weatherstrip (H S 60 ° ~75 °) shown in FIG. 1 and the silicone sponge weather strip shown in FIG. 3 (H S 60 ° ~
Table 3 shows the change in hardness when (75 °) was taken out immediately after the end of the cold resistance test.
【００１７】[0017]
【表３】 [Table 3]
【００１８】このように、シリコーン組成物を使ったも
のは、圧縮永久歪・耐寒性が著しく向上する。その他シ
リコーン組成物よりなる被膜は着色容易で、カラー化が
可能である。なお、シリコーン組成物よりなる被膜２５
をシリコーン組成物よりなる基材表面に形成したため、
両者の密着性は高く、その耐久性は向上する。その他シ
リコーン組成物はＥＰＤＭ組成物に比して比重が１／２
以下で、製品の軽量化が実現される。As described above, the composition using the silicone composition has significantly improved compression set and cold resistance. In addition, a film made of a silicone composition is easily colored and can be colored. In addition, a film 25 made of a silicone composition
Since it was formed on the surface of a base material made of a silicone composition,
The adhesion between them is high, and their durability is improved. Other silicone compositions have a specific gravity of 1/2 that of EPDM compositions
In the following, weight reduction of the product is realized.
【００１９】尚、本発明においてシリコーン組成物を少
なくとも中空シール部又は表面の一部に構成する場合、
他の材質としてＥＰＤＭ組成物として共押出し、連続加
硫により図４〜図１０の構成のものを製造することがで
きる。尚この場合のＥＰＤＭ組成物としては、加硫剤と
してジクミルパーオキシドなどのパーオキシドを使い、
架橋鎖切断防止剤としてエチレングリコールジメタクリ
レートまたはシランカップリング剤などを添加すると良
い。In the present invention, when the silicone composition is formed on at least the hollow seal portion or a part of the surface,
As another material, an EPDM composition can be coextruded and continuously vulcanized to produce the one having the constitution shown in FIGS. In this case, the EPDM composition uses a peroxide such as dicumyl peroxide as a vulcanizing agent,
It is advisable to add ethylene glycol dimethacrylate, a silane coupling agent, or the like as a crosslinking chain cleavage inhibitor.
【００２０】[0020]
【発明の効果】本発明は以上のように構成されるため、
従来のＥＰＤＭ組成物を使ったものに比べて、圧縮永久
歪・耐寒性が著しく向上する。Since the present invention is constructed as described above,
The compression set and cold resistance are remarkably improved as compared with those using the conventional EPDM composition.
【図１】従来例を示す断面図である。FIG. 1 is a cross-sectional view showing a conventional example.
【図２】他の従来例を示す断面図である。FIG. 2 is a cross-sectional view showing another conventional example.
【図３】第１発明の第１実施例を示す断面図である。FIG. 3 is a sectional view showing a first embodiment of the first invention.
【図４】第１発明の第２実施例を示す断面図である。FIG. 4 is a sectional view showing a second embodiment of the first invention.
【図５】第１発明の第３実施例を示す断面図である。FIG. 5 is a sectional view showing a third embodiment of the first invention.
【図６】第１発明の第４実施例を示す断面図である。FIG. 6 is a sectional view showing a fourth embodiment of the first invention.
【図７】第１発明の第５実施例を示す断面図である。FIG. 7 is a sectional view showing a fifth embodiment of the first invention.
【図８】第２発明の第１番目の実施例を示す断面図であ
る。FIG. 8 is a sectional view showing a first embodiment of the second invention.
【図９】第２発明の第２番目の実施例を示す断面図であ
る。FIG. 9 is a sectional view showing a second embodiment of the second invention.
【図１０】第２発明の第３番目の実施例を示す断面図で
ある。FIG. 10 is a sectional view showing a third embodiment of the second invention.
１０ 基底部 ２０ 中空シール部 ２１ シール面 ２５ 被膜 ３０ リップ ４０ 芯金 ５０ 起毛布 Ｅ ＥＰＤＭスポンジ Ｐ ＰＶＣ Ｓ シリコーンスポンジ Ｔ シリコーンソリッド Ｕ シリコーンチューブ Ｂ 基準面 Ｈ 圧縮前の高さ ｈ 圧縮時の高さ 10 Base portion 20 Hollow seal portion 21 Sealing surface 25 Coating 30 Lip 40 Core metal 50 Raised cloth E EPDM sponge P PVC S Silicone sponge T Silicone solid U Silicone tube B Reference surface H Height before compression h Height during compression
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成５年７月１２日[Submission date] July 12, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１６[Correction target item name] 0016
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１６】 また、図１に示す形状で、表１の（配合
１）より、発泡剤を取除いて押出し、加硫成形したＥＰ
ＤＭウエザーストリップ（ＨＳ６０゜〜７５°）と図３
に示す形状で表１の（配合２）より発泡剤を取除いて押
出し、加硫成形したシリコーンウエザーストリップ（Ｈ
Ｓ６０゜〜７５゜）を耐寒テスト終了直後に取出したと
きの硬さ変化を表３に示す。[0016] Further, in the shape shown in FIG. 1, the EP was prepared by extruding after removing the foaming agent from (Compound 1) in Table 1 and vulcanization molding.
DM weather strip (H S 60 ° to 75 °) and 3
The silicone weather strip (H) obtained by removing the foaming agent from (Compound 2) in Table 1 and extruding in the shape shown in
Table 3 shows the change in hardness when S 60 ° to 75 °) was taken out immediately after the end of the cold resistance test.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 天王 俊成 広島市西区三篠町２丁目２番８号西川ゴム 工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshinari Tenno, Nishigawa Rubber Industrial Co., Ltd.
Claims (2)
アルケニルシロキサンを主成分としたシリコーン組成物
よりなる自動車用ウエザーストリップ。1. A weather strip for an automobile, wherein at least a hollow seal portion is made of a silicone composition containing a polyalkylalkenyl siloxane as a main component.
被膜がポリアルキルアルケニルシロキサンを主成分とし
たシリコーン組成物よりなる自動車用ウエザーストリッ
プ。2. A weather strip for an automobile, in which a coating integrally formed on at least a part of the surface is made of a silicone composition containing polyalkylalkenyl siloxane as a main component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5061164A JP3013014B2 (en) | 1993-02-24 | 1993-02-24 | Weather strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5061164A JP3013014B2 (en) | 1993-02-24 | 1993-02-24 | Weather strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06247151A true JPH06247151A (en) | 1994-09-06 |
| JP3013014B2 JP3013014B2 (en) | 2000-02-28 |
Family
ID=13163236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5061164A Expired - Fee Related JP3013014B2 (en) | 1993-02-24 | 1993-02-24 | Weather strip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3013014B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001173793A (en) * | 1999-10-29 | 2001-06-26 | Webasto Vehicle Systems Internatl Gmbh | Sealing element used for vehicle |
| JP2011025805A (en) * | 2009-07-24 | 2011-02-10 | Nishikawa Rubber Co Ltd | Door weather strip |
| JP2011231300A (en) * | 2010-04-30 | 2011-11-17 | Dainichiseika Color & Chem Mfg Co Ltd | Weather strip material and weather strip |
| US8951933B2 (en) | 2009-11-25 | 2015-02-10 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip |
| US8975420B2 (en) | 2009-11-25 | 2015-03-10 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Five-membered cyclocarbonate polysiloxane compound and process for preparation of same |
| US9359719B2 (en) | 2011-04-04 | 2016-06-07 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Self-crosslinkable polysiloxane-modified polyhydroxy polyurethane resin, process for producing said resin, resin material comprising said resin, and artificial leather produced utilizing said resin |
| US10000609B2 (en) | 2010-08-26 | 2018-06-19 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Self-crosslinking polysiloxane-modified polyhydroxy polyurethane resin, resin material containing same, method for producing same, artificial leather comprising same, and thermoplastic polyolefin skin material comprising same |
| US10066048B2 (en) | 2010-06-24 | 2018-09-04 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Self-crosslinkable polyhydroxy polyurethane resin, resinaceous material that contains the resin, process for production of the resin, and imitation leather, surfacing material and weatherstrip material, using the resin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871233A (en) * | 1981-10-24 | 1983-04-27 | Toyo Tire & Rubber Co Ltd | Weatherstrip |
| JPH04189191A (en) * | 1990-11-22 | 1992-07-07 | Ricoh Co Ltd | Thermal transfer sheet |
| JP3093216U (en) * | 2002-10-04 | 2003-04-25 | 株式会社丸宮産業 | Bags, bags, etc. |
-
1993
- 1993-02-24 JP JP5061164A patent/JP3013014B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871233A (en) * | 1981-10-24 | 1983-04-27 | Toyo Tire & Rubber Co Ltd | Weatherstrip |
| JPH04189191A (en) * | 1990-11-22 | 1992-07-07 | Ricoh Co Ltd | Thermal transfer sheet |
| JP3093216U (en) * | 2002-10-04 | 2003-04-25 | 株式会社丸宮産業 | Bags, bags, etc. |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001173793A (en) * | 1999-10-29 | 2001-06-26 | Webasto Vehicle Systems Internatl Gmbh | Sealing element used for vehicle |
| JP2011025805A (en) * | 2009-07-24 | 2011-02-10 | Nishikawa Rubber Co Ltd | Door weather strip |
| US8951933B2 (en) | 2009-11-25 | 2015-02-10 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip |
| US8975420B2 (en) | 2009-11-25 | 2015-03-10 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Five-membered cyclocarbonate polysiloxane compound and process for preparation of same |
| US9394462B2 (en) | 2009-11-25 | 2016-07-19 | Dainichiseika Color & Chemicals Mfg. Co., Ltd | Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip |
| JP2011231300A (en) * | 2010-04-30 | 2011-11-17 | Dainichiseika Color & Chem Mfg Co Ltd | Weather strip material and weather strip |
| US10066048B2 (en) | 2010-06-24 | 2018-09-04 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Self-crosslinkable polyhydroxy polyurethane resin, resinaceous material that contains the resin, process for production of the resin, and imitation leather, surfacing material and weatherstrip material, using the resin |
| US10000609B2 (en) | 2010-08-26 | 2018-06-19 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Self-crosslinking polysiloxane-modified polyhydroxy polyurethane resin, resin material containing same, method for producing same, artificial leather comprising same, and thermoplastic polyolefin skin material comprising same |
| US9359719B2 (en) | 2011-04-04 | 2016-06-07 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Self-crosslinkable polysiloxane-modified polyhydroxy polyurethane resin, process for producing said resin, resin material comprising said resin, and artificial leather produced utilizing said resin |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3013014B2 (en) | 2000-02-28 |
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