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
Landscapes
- Seal Device For Vehicle (AREA)
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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