JPH0355288B2 - - Google Patents
Info
- Publication number
- JPH0355288B2 JPH0355288B2 JP60290078A JP29007885A JPH0355288B2 JP H0355288 B2 JPH0355288 B2 JP H0355288B2 JP 60290078 A JP60290078 A JP 60290078A JP 29007885 A JP29007885 A JP 29007885A JP H0355288 B2 JPH0355288 B2 JP H0355288B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- window plate
- outer periphery
- adhesive layer
- weather strip
- 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.)
- Expired - Lifetime
Links
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 description 15
- 230000001070 adhesive effect Effects 0.000 description 15
- 239000002861 polymer material Substances 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
Description
【発明の詳細な説明】
＜産業上の利用分野＞
本発明は、窓板付きウエザストリツプの成形方
法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to a method for forming a weather strip with a window plate.
＜従来の技術＞
昨今、組付け性及びシール性さらには軽量化
（薄肉化）等の見地から、窓板のウエザストリツ
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ツトし、形成されたキ
ヤビテイ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エザストリ
ツ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）。上記窓板
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
ポリオレフイン系等の熱可塑性エラストマー材料
である。<Conventional technology> Recently, from the viewpoint of ease of assembly, sealability, and weight reduction (thinner wall thickness), an adhesive layer is formed on the outer periphery of the window panel where the weather strip body is to be joined, and this window panel is A method has been proposed in which an annular weather strip body is integrally bonded to the outer periphery of a window plate by setting it in a mold, injecting an elastic polymer material into the formed cavity, and curing it (Japanese Patent Application Laid-Open No. (See No. 100022, 1983). The window plate is a glass plate or a metal plate, and the polymer elastic material is a rubber material such as EPDM or CR, or a thermoplastic elastomer material such as PVC polyolefin.
ここで、接着剤層に使用する接着剤は、ガラス
又は金属板と高分子弾性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、予備硬化させて、窓板を金型内にセツトして
形成されたキヤビテイに材料を注入していた。 Here, the adhesive used for the adhesive layer is usually a thermosetting type such as polyurethane type or epoxy type that can obtain good adhesion between the glass or metal plate and the polymeric elastic material. I was using it. After applying these adhesives to the outer periphery of the window plate, they were precured 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、窓板とウエザストリツプ本
体間に十分な接着力が得がたかつた。<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. When the precuring of the adhesive is excessive, 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、上記方法においてホツトメルト型接着剤
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、材料流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 above method, in this case as well, it is presumed that the adhesive layer will be washed away due to the flow of the material and its heat during material injection.
＜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
意開発に努力をした結果、下記構成の窓板付きウ
エザストリツプの成形方法に想到した。<Means for Solving the Problems> The inventors of the present invention made extensive efforts in development in order to solve the above problems, 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
金型内にセツトし、形成されたキヤビテイに高分
子弾性材料を注入して硬化させることにより、窓
板の外周部に環状にウエザストリツプ本体を一体
結合状態に成形する方法において、少くとも、前
記キヤビテイの材料注入口に対向する窓板外周部
の接着剤層の形成を、接着剤含浸布を該窓板外周
部に挟持させて行なうことを特徴とする。 An adhesive layer is formed on the outer periphery of the window plate, this window plate is set in a mold, and an elastic polymer material is injected into the formed cavity and cured, thereby forming an annular shape around the outer periphery of the window plate. In the method of integrally molding the weather strip main body, at least the formation of an adhesive layer on the outer periphery of the window plate facing the material injection port of the cavity is performed by sandwiching an adhesive-impregnated cloth between the outer periphery of the window plate. It is characterized by doing.
＜実施例＞
以下、本発明の窓板付きウエザストリツプの成
形方法を説明する。<Example> Hereinafter, a method for forming a weather strip with a window plate according to the present invention will be explained.
まず、窓板１の、ウエザストリツプ本体接合予
定部位である外周部に接着剤層３を形成する。こ
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。図例では、接着剤含浸布５を挟持させる
部位は、金型内にセツト時、ゲート６に一番近い
窓板側辺Ａのみ、即ち、キヤビテイの材料注入口
（ゲート６）に対向する窓板外周部のみとしたが、
全周であつてもよく、また、スポツト的に形成し
てもよい。通常、接着剤が熱硬化型の場合上記接
着剤含浸布５の挟持を行なつた後、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ツトメルト接着剤
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要であり、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１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, an adhesive layer 3 is formed on the outer periphery of the window plate 1 where the weather strip body is to be joined. The adhesive layer 3 is formed by applying an adhesive or by bending an adhesive-impregnated cloth 5 into a U-shape and sandwiching it around the outer periphery of the window plate. In the illustrated example, the adhesive-impregnated cloth 5 is held between only the side A of the window plate closest to the gate 6 when set in the mold, that is, the window facing the material injection port (gate 6) of the cavity. Although only the outer periphery of the plate was used,
It may be formed all around, or it may be formed in spots. Normally, when the adhesive is of a thermosetting type, the adhesive is precured after the adhesive-impregnated cloth 5 is held. At this time, as the adhesive, a hot melt adhesive whose base polymer is a thermoplastic resin such as polyamide, polyester, or EVA, or a rubber-based solution adhesive may be used, but in the case of the former, preliminary curing is not required. In the latter case, only forced evaporation of the solvent is sufficient. Furthermore, the outer periphery of the window plate 1 may be treated with a primer 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、ガラス繊維等からなる織布又
は不織布を例示できる。 The base cloth for the adhesive-impregnated cloth is not particularly limited as long as it is not affected by adhesive solvents and has a certain degree of heat resistance, such as polyamide, etc.
Examples include woven fabrics or nonwoven fabrics made of polyester fibers, glass fibers, etc.
次に、上記接着剤層３が形成された窓板１を金
型７，８にセツトし、形成されたキヤビテイ９に
高分子弾性材料を射出又はトランスフアーにより
注入して硬化させる。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つても、またホツ
トメルト型であつても、この実施例の場合、ゲー
ト６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、注入時の材料流れに
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てあるが、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。 Next, the window plate 1 with the adhesive layer 3 formed thereon is set in the molds 7 and 8, and an elastic polymer material is injected into the formed cavity 9 by injection or transfer and hardened. At the time of material injection, even if the thermosetting adhesive is not sufficiently precured or is a hot melt adhesive, in this embodiment, the adhesive layer on the side A of the window panel closest to the gate 6 3 is formed by supporting the adhesive with the adhesive-impregnated cloth 5 which holds the outer periphery of the window panel, so that the adhesive layer 3 will not be washed away due to material flow during injection. The adhesive layer 3 on the other window panel sides B and C is similar to the conventional one.
Although it is formed by applying an adhesive, since this part is far from the gate 6, the flow of the material is weak and there is no risk of it being washed away.
＜発明の作用・効果＞
本発明の窓板付きウエザストリツプの成形方法
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ツトし、形成
されたキヤビテイ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エ
ザストリツ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。従つて、窓板とウエザストリツプ本体間に全
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。<Operations and Effects of the Invention> As described above, the method for forming a weather strip with a window plate of the present invention involves forming an adhesive layer on the outer periphery (side) of the window plate, and setting the window plate in a mold. In this method, an annular weather strip body is integrally bonded to the outer periphery of a window plate by injecting an elastic polymer material into the formed cavity and curing the material, in which an adhesive-impregnated cloth is attached to the outer periphery of the window plate. By sandwiching and forming the adhesive layer, the adhesive layer is reliably prevented from being washed away when the material is injected, since it is supported by the cloth that pinches the outer periphery of the window panel. Therefore, the adhesive layer can be uniformly interposed over the entire circumference between the window panel and the weather strip main body, and good adhesion can be achieved between the two.
第１図は本発明の窓板付きウエザストリツプの
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−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……キヤビテイ。
FIG. 1 is a schematic cross-sectional view of a mold used in an embodiment of the method for molding a weather strip with a window plate according to the present invention, and FIG. 2 is a schematic cross-sectional view taken along the line -- in FIG. 1... Window board, 2... Adhesive layer, 5... Adhesive-impregnated cloth, 7, 8... Mold, 9... Cavity.
Claims (1)
金型内にセツトして形成されたキヤビテイに材料
を注入して硬化させることにより、前記窓板の外
周部に環状のウエザストリツプ本体を一体結合状
態に成形する方法において、 少くとも、前記キヤビテイの材料注入口に対向
する窓板外周部の接着剤層の形成を、接着剤含浸
布を該窓板外周部に挟持させて行なうこと、 を特徴とする窓板付きウエザストリツプの成形方
法。[Scope of Claims] 1. The adhesive layer is formed on the outer periphery of the window plate, and the window plate is set in a mold, and the material is injected into the cavity formed and cured. In the method of integrally forming an annular weather strip main body on the outer periphery, at least forming an adhesive layer on the outer periphery of the window plate facing the material injection port of the cavity, and applying an adhesive-impregnated cloth to the outer periphery of the window plate. A method for forming a weather strip with a window plate, characterized in that the weather strip is held between two parts.
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 JPS62148225A (en) | 1987-07-02 |
| JPH0355288B2 true 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) |
Families Citing this family (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 |
| JPH066311B2 (en) * | 1988-02-18 | 1994-01-26 | 株式会社池田硝子工業所 | Method of manufacturing plate-shaped body with molding or holder |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62148225A (en) | 1987-07-02 |
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