JPS62148225A - Process for molding weatherstrip with built-in window-plate - Google Patents
Process for molding weatherstrip with built-in window-plateInfo
- Publication number
- JPS62148225A JPS62148225A JP60290078A JP29007885A JPS62148225A JP S62148225 A JPS62148225 A JP S62148225A JP 60290078 A JP60290078 A JP 60290078A JP 29007885 A JP29007885 A JP 29007885A JP S62148225 A JPS62148225 A JP S62148225A
- Authority
- JP
- Japan
- Prior art keywords
- window
- adhesive
- plate
- outer periphery
- adhesive layer
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14434—Coating brittle material, e.g. glass
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、窓板付きウェザストリップの成形方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method of forming a weather strip with a window plate.
〈従来の技術〉
昨今、組付は性及びシール性さらには軽ｌ化（薄肉化）
等の見地から、窓板のウェザストリップ本体接合予定部
位である外周部に接着剤層を形成し、この窓板を金型に
セットし、形成されたキャビティに高分子弾性材料を注
入して硬化させることにより、窓板の外周部に環状のウ
ェザストリップ本体を一体結合状態で成形する方法が提
案されている（特開昭５４−１０００２２号参照）。に
記念板は、ガラス板又は金属板であり、上記高分子弾性
材料は、ＥＰＤＭ、ＣＲ等のゴム材料、又はＰＶＣ系ポ
リオレフィン系等の熱可塑性エラストマー材料である。<Conventional technology> Recently, assembly has become easier and better to seal, and it has also become lighter (thinner).
From this point of view, an adhesive layer is formed on the outer periphery of the window plate where the weatherstrip body is to be joined, the window plate is set in a mold, and an elastic polymer material is injected into the formed cavity and hardened. A method has been proposed in which an annular weatherstrip body is integrally formed on the outer periphery of a window panel (see Japanese Patent Laid-Open No. 100022/1983). The commemorative plate is a glass plate or a metal plate, and the polymeric elastic material is a rubber material such as EPDM or CR, or a thermoplastic elastomer material such as a PVC polyolefin type.
ここで、接着剤層に使用する接着剤は、ガラス又は金属
板と弾性高分子材料との間に良好な接着性を得ることの
できる。ポリウレタン系、エポキシ系等の熱硬化型のも
のを通常使用していた。そして、これらの接着剤を窓板
の外周部に塗布した後、予＠硬化させて、窓板を金型内
にセットして形成されたキャビティに材料を注入してい
た。Here, the adhesive used in the adhesive layer can provide good adhesion between the glass or metal plate and the elastic polymer material. Thermosetting materials such as polyurethane and epoxy were commonly used. After applying these adhesives to the outer periphery of the window plate, they were pre-cured and the material was injected into the cavity formed by setting the window plate in a mold.
〈発明が解決しようとする問題点〉
しかし、上記方法では、接着剤の予備硬化が不十分な場
合は、材料注入時、特に材料流れの強いゲート近傍の接
着剤層が流失し、逆に接着剤の予備硬化が過剰な場合は
、接着剤の活性が消失して、いずれの場合も、窓板とウ
ェザストリップ本体間に十分な接着力が得がたかった。<Problems to be Solved by the Invention> However, in the above method, if the pre-curing of the adhesive is insufficient, the adhesive layer near the gate where the material flow is particularly strong during material injection will wash away, and the adhesive will deteriorate. If the agent is precured excessively, the activity of the adhesive is lost, and in either case, it is difficult to obtain sufficient adhesion between the window panel and the weatherstrip body.
なお、−Ｊ二記方法においてホットメルト型接着剤を使
用することも考えられるが、この場合も、同様に、材料
注入時、材料波れ及びその熱により接着剤層が流失する
と推定される。Although it is conceivable to use a hot-melt adhesive in the -J2 method, in this case as well, it is presumed that the adhesive layer will be washed away due to material waviness and its heat during material injection.
く問題点を解決するための手段〉
本発明者らは、上記問題点を、解決すべく、鋭α開発に
努力をした結果、下記構成の窓板付きウェザストリップ
の成形方法に想到した。Means for Solving the Problems> In order to solve the above problems, the present inventors made efforts to develop a sharp α, and as a result, they came up with a method for forming a weather strip with a window plate having the following configuration.
窓板の外周部に接着剤層を形成し、この窓板を金型内に
セットし、形成されたキャビティに高分子弾性材料を注
入して硬化させることにより、窓板の外周部に環状のウ
ェザストリップ本体を一体結合状態で成形する方法にお
いて、接着剤含浸布を窓板の外周部に挟持させて、接着
剤層の形成を行なうことを特徴とする。By forming an adhesive layer on the outer periphery of the window plate, setting this window plate in a mold, and injecting an elastic polymer material into the formed cavity and curing it, an annular shape is formed on the outer periphery of the window plate. The method of integrally molding the weatherstrip main body is characterized by forming an adhesive layer by sandwiching an adhesive-impregnated cloth around the outer periphery of the window panel.
〈実施例〉
以下、本発明の窓板付きウェザストリップの成形方法を
説明する。<Example> Hereinafter, a method for forming a weather strip with a window plate of the present invention will be described.
まず、窓板ｌの、ウェザストリップ本体接合予定部位で
ある外周部に接着剤層３を形成するにの接着剤層３は、
接着剤を塗布又は接着剤含浸布５をコ字形に折曲して窓
板外周部に挟持させて形成する１図例では、接着剤含浸
布５を挟持させる部位は、金型内にセット時、ゲート６
に一番近い窓板側辺Ａのみとしたが、全周であってもよ
く、また、スポット的に形成してもよい０通常、接着剤
が熱硬化型の場合上記接着剤含浸布５の挟持を行なった
後、接着剤の予備硬化を行なう、なお、このとき接着剤
として、ポリアミド、ポリエステル、ＥＶＡ等の熱可塑
性樹脂をベースポリマーとするホットメルト接着剤や、
ゴム系の溶液型接着剤を用いてもよいが、前者の場合は
予備硬化が不安であり、また後者の場合は溶剤を強制蒸
発させるだけでよい、さらには、窓板ｌの外周部には予
めプライマー処理をしておいてもよい。First, the adhesive layer 3 is formed on the outer periphery of the window plate l where the weatherstrip body is to be joined.
In the example shown in Figure 1, in which the adhesive is applied or the adhesive-impregnated cloth 5 is bent into a U-shape and sandwiched around the outer periphery of the window panel, the portion where the adhesive-impregnated cloth 5 is sandwiched is the same as when set in the mold. , gate 6
Although only the side A of the window plate closest to the window panel is shown, it may be formed all around or in spots.Usually, when the adhesive is of a thermosetting type, the adhesive-impregnated cloth 5 is After clamping, the adhesive is pre-cured. At this time, the adhesive may be a hot melt adhesive whose base polymer is a thermoplastic resin such as polyamide, polyester, or EVA, or
A rubber-based solution-type adhesive may be used, but in the former case, preliminary curing is uneasy, and in the latter case, it is only necessary to forcefully evaporate the solvent. Primer treatment may be performed in advance.
また、接着剤含浸布の基布としては、接着剤の溶剤等に
おかされない材料で、ある程度の耐熱性を有するものな
ら特に限定されず、ポリアミド・ポリエステル繊維、ガ
ラスｔｉ維等からなる織布又は不織布を例示できる。The base fabric of the adhesive-impregnated fabric is not particularly limited as long as it is not affected by adhesive solvents and has a certain degree of heat resistance, and may be a woven fabric made of polyamide/polyester fiber, glass Ti fiber, etc. An example is nonwoven fabric.
次に、上記接着剤層３が形成された窓板１を金型７．８
にセットし、形成されたキャビティ９に高分子弾性材料
を射出又はトランスファーにより注入して硬化させる。Next, the window plate 1 with the adhesive layer 3 formed thereon is placed in a mold 7.8.
The elastic polymer material is injected into the formed cavity 9 by injection or transfer and cured.
この材料注入時、熱硬化型接着剤の予備硬化が不十分で
あっても、またホットメルト型であっても、この実施例
の場合、ゲー１６に一番近い窓板側辺Ａの接着剤層３は
、接着剤が窓板外周部を挟持する接着剤含浸布５で担持
されて形成されているため、注入時の材料波れにより接
着剤層３が流失することがない、他の窓板側辺Ｂ、Ｃに
おける接着剤層３は、従来と同様、接着剤を塗布して形
成しであるが、該部位はゲート６から離れているため、
材料流れが弱く、流失するおそれがない。When injecting the material, even if the thermosetting adhesive is not sufficiently precured or is a hot melt adhesive, in this embodiment, the adhesive on the side A of the window panel closest to the gate 16 Since the layer 3 is formed by supporting the adhesive with the adhesive-impregnated cloth 5 that sandwiches the outer periphery of the window plate, the adhesive layer 3 will not be washed away due to material ripples during injection, and can be used for other windows. The adhesive layer 3 on the side sides B and C of the plate is formed by applying an adhesive as in the conventional case, but since these parts are far from the gate 6,
Material flow is weak and there is no risk of it being washed away.
く発す１の作用・効果〉
未発明の窓板付きウェザストリップの成形方法は、上記
の如く、窓板の外周部（側辺）に接着剤層を形成し、こ
の窓板を金型内にセットし、形成されたキャビティに高
分子弾性材料を注入して硬化させることにより、窓板の
外周部に環状のウェザストリップ本体を一体結合状態に
成形する方法において、接着剤含浸布を前記窓板外周部
に挟持させて、接着剤層の形成を行なうことにより、材
料注入時の接着剤層の流失が、窓板外周部を挟持した布
により担持されているため確実に防止される。従って、
窓板とウェザストリップ本体間に全周にわたり均一に接
着剤層を介在させることができ、両者間に良好な接着性
を達成できる。Effects and Effects of 1> As described above, the uninvented method for forming a weather strip with a window plate forms an adhesive layer on the outer periphery (side) of the window plate, and then places the window plate in a mold. In this method, an annular weatherstrip body is integrally bonded to the outer periphery of a window panel by injecting an elastic polymer material into the formed cavity and curing the adhesive-impregnated cloth. By forming the adhesive layer by sandwiching it between the outer periphery of the window panel, the adhesive layer is reliably prevented from being washed away during material injection because it is supported by the cloth that holds the outer periphery of the window plate. Therefore,
The adhesive layer can be uniformly interposed over the entire circumference between the window plate and the weatherstrip body, and good adhesion can be achieved between the two.
第１図は本発明の窓板付きウェザストリップの成形方法
の一実施例に使用する金型の概略断面図、第２図は第１
図のＩＩ −ＩＩ線概略断面図である。
１・・・窓板、
２・・・接着剤層、
５・・・接着剤含浸布、
７．８・・・金型、
９・・・キャビティ。
特 許 出 願 人
１３田合成株式会社FIG. 1 is a schematic cross-sectional view of a mold used in an embodiment of the method for forming a weather strip with a window plate of the present invention, and FIG.
It is a schematic sectional view taken along the line II-II in the figure. DESCRIPTION OF SYMBOLS 1... Window board, 2... Adhesive layer, 5... Adhesive impregnated cloth, 7.8... Mold, 9... Cavity. Patent application person 13 Tagosei Co., Ltd.
Claims (1)
ットして形成されたキャビティに材料を注入して硬化さ
せることにより、前記窓板の外周部に環状のウェザスト
リップ本体を一体結合状態に成形する方法において、 接着剤含浸布を前記窓板外周部に挟持させて、前記接着
剤層の形成を行なうこと、 を特徴とする窓板付きウェザストリップの成形方法。[Claims] By forming an adhesive layer on the outer periphery of the window plate, setting the window plate in a mold, and injecting a material into a cavity formed and curing it, the outer periphery of the window plate can be fixed. A method for forming an annular weatherstrip main body integrally with a window plate, characterized in that the adhesive layer is formed by sandwiching an adhesive-impregnated cloth between the outer periphery of the window plate. How to form strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60290078A JPS62148225A (en) | 1985-12-23 | 1985-12-23 | Process for molding weatherstrip with built-in window-plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60290078A JPS62148225A (en) | 1985-12-23 | 1985-12-23 | Process for molding weatherstrip with built-in window-plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62148225A true JPS62148225A (en) | 1987-07-02 |
| JPH0355288B2 JPH0355288B2 (en) | 1991-08-22 |
Family
ID=17751507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60290078A Granted JPS62148225A (en) | 1985-12-23 | 1985-12-23 | Process for molding weatherstrip with built-in window-plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62148225A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63112128A (en) * | 1986-10-30 | 1988-05-17 | Hashimoto Forming Co Ltd | Manufacture of plate-like molding with frame part |
| DE3904249A1 (en) * | 1988-02-18 | 1989-09-14 | Central Glass Co Ltd | METHOD FOR ATTACHING A RESIN SUPPORT OR PROTECTED MOLDED PART TO A PLATE-SHAPED OBJECT |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59199228A (en) * | 1983-04-28 | 1984-11-12 | Hashimoto Forming Co Ltd | Production of operating window for automobile |
-
1985
- 1985-12-23 JP JP60290078A patent/JPS62148225A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59199228A (en) * | 1983-04-28 | 1984-11-12 | Hashimoto Forming Co Ltd | Production of operating window for automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63112128A (en) * | 1986-10-30 | 1988-05-17 | Hashimoto Forming Co Ltd | Manufacture of plate-like molding with frame part |
| JPH0414856B2 (en) * | 1986-10-30 | 1992-03-16 | Hashimoto Forming Kogyo Co | |
| DE3904249A1 (en) * | 1988-02-18 | 1989-09-14 | Central Glass Co Ltd | METHOD FOR ATTACHING A RESIN SUPPORT OR PROTECTED MOLDED PART TO A PLATE-SHAPED OBJECT |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355288B2 (en) | 1991-08-22 |
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