JP5147526B2 - Weather Strip - Google Patents
Weather Strip Download PDFInfo
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- JP5147526B2 JP5147526B2 JP2008122220A JP2008122220A JP5147526B2 JP 5147526 B2 JP5147526 B2 JP 5147526B2 JP 2008122220 A JP2008122220 A JP 2008122220A JP 2008122220 A JP2008122220 A JP 2008122220A JP 5147526 B2 JP5147526 B2 JP 5147526B2
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- weather strip
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- support portion
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- 239000011162 core material Substances 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 description 24
- 238000007493 shaping process Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Landscapes
- Seal Device For Vehicle (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
本発明は、芯材がインサートされてなる型成形部を有するウェザーストリップに関する。 The present invention relates to a weather strip having a molded part in which a core material is inserted.
従来、剛性を持たせるために、芯材がインサートされたゴムや樹脂よりなる型成形部を有するウェザーストリップが知られている。 Conventionally, in order to give rigidity, a weather strip having a molded part made of rubber or resin into which a core material is inserted is known.
図２は、図１に示されるコンバーチブル車のａ部に組付けられるウェザーストリップの型成形部１、すなわちリヤピラー２に組付けられ、サイドガラスとの間をシールする押出成形のウェザーストリップ（図示しない）と、該ウェザーストリップと直交しリヤガラスとの間をシールする押出成形のウェザーストリップ（図示しない）とを接続する型成形部１について示すものである。また、図３は、図２のＡ−Ａ線における断面形状を示すもので、金属又は硬質樹脂製の屈曲した芯材３がインサートされている状態を示すものである。 FIG. 2 shows an extruded weatherstrip (not shown) that is assembled to a molded part 1 of a weather strip to be assembled to a part of the convertible vehicle shown in FIG. And a molded part 1 that connects an extruded weatherstrip (not shown) that is orthogonal to the weatherstrip and seals between the rear glass. Moreover, FIG. 3 shows the cross-sectional shape in the AA line of FIG. 2, and shows the state in which the bent core material 3 made of metal or hard resin is inserted.
図４は、前記型成形部１を成形するのに用いる金型を示すもので、固定の下型５と、左右のスライド型６、７、８と、開閉可能な上型９よりなり、各型５、６、７、８、９によって図３に示す型成形部１の断面と同一断面のキャビティ１１が形成される。そして、図５に示すように、成形時には、下型５やスライド型８に突設した押えピン１５、１６により挟み付けた状態で芯材３をキャビティ１１内にセットし、金型を組付けた後、図示しない成形機のノズルからゴム又は熱可塑性エラストマー等のゴム様弾性体の原料がスプルー１２及びゲート１３を経てキャビティ１１に注入されるようになっている。 FIG. 4 shows a mold used for molding the mold forming part 1, which comprises a fixed lower mold 5, left and right slide molds 6, 7, 8, and an openable upper mold 9. The cavities 11 having the same cross section as the cross section of the mold forming portion 1 shown in FIG. Then, as shown in FIG. 5, at the time of molding, the core material 3 is set in the cavity 11 with the presser pins 15 and 16 projecting from the lower mold 5 and the slide mold 8, and the mold is assembled. After that, a rubber-like elastic material such as rubber or thermoplastic elastomer is injected into the cavity 11 through the sprue 12 and the gate 13 from a nozzle of a molding machine (not shown).
この成形法で成形された型成形部１は、前記押えピン１５、１６によって、車内側及び車外側の両表面に芯材３に連通するピン孔が形成され、車外側表面のピン孔から浸入した水が芯材３に沿って流れ、車内に水漏れするおそれがある。 In the molding part 1 molded by this molding method, pin holes communicating with the core material 3 are formed on both the inner surface and the outer surface of the vehicle by the presser pins 15 and 16, and enters from the pin holes on the outer surface of the vehicle. Water that has flowed along the core 3 may leak into the vehicle.
この問題を解決するため、芯材３に接着剤を塗布し原料との密着性を高めることも考えられるが、作業工程が増えるため作業性が悪化するとともにコストが上昇するという問題がある。 In order to solve this problem, it is conceivable to apply an adhesive to the core material 3 to improve the adhesion with the raw material, but there is a problem that the workability is deteriorated and the cost is increased due to an increase in work steps.
そこで、本発明は、車外から芯材を介して車内へ水が浸入することを防止できる、芯材がインサートされてなる型成形部を有するウェザーストリップを提供することを目的とする。 Then, an object of this invention is to provide the weather strip which has a shaping | molding part by which the core material is inserted which can prevent that water permeates into the vehicle through the core material from the outside of the vehicle.
前記目的を解消するため、請求項１に係る発明は、金属又は樹脂製の芯材３がインサートされてなる型成形部１を有するウェザーストリップであって、該型成形部１が、前記芯材３が配置された金型のキャビティ１１内にゴム様弾性体の原料を注入することにより成形されるものであり、前記芯材３が、型成形部１の車内側表面を形成する下型５に突出形成される支持部１８に固定された状態で、前記キャビティ１１内に配置されるウェザストリップにおいて、芯材３が、前記キャビティ１１内に配置した際、型成形部１の車外側表面を形成する型８の内面に当接するよう当該芯材３に取り付けられるピン状部材３０によって支持部１８に固定され、なおかつ当該ピン状部材（３０）は前記ゴム様弾性体と同じ材質若しくは前記ゴム様弾性体より融点の低いゴム様弾性体であるものである。
In order to solve the above-mentioned object, the invention according to claim 1 is a weather strip having a mold forming part 1 in which a metal or resin core material 3 is inserted, and the mold forming part 1 is the core material. The lower mold 5 is formed by injecting a rubber-like elastic material into the cavity 11 of the mold in which the mold 3 is disposed, and the core material 3 forms the inner surface of the molded part 1. In the weather strip disposed in the cavity 11 in a state of being fixed to the support portion 18 that is formed so as to project, the outer surface of the molded part 1 is exposed when the core member 3 is disposed in the cavity 11. The pin-shaped member 30 is fixed to the support portion 18 by a pin-shaped member 30 attached to the core member 3 so as to abut the inner surface of the mold 8 to be formed, and the pin-shaped member (30) is the same material as the rubber-like elastic body or the rubber-like member. Elastic body Ri those which are less rubbery elastic body melting.
請求項２に係る発明は、請求項１に係る発明のウェザーストリップにおいて、芯材３が、前記ピン状部材３０と共に磁力により支持部１８に固定されるものである。
The invention according to claim 2 is the weather strip of the invention according to claim 1, wherein the core material 3 is fixed to the support portion 18 together with the pin-shaped member 30 by a magnetic force.
請求項３に係る発明は、請求項１に係る発明のウェザーストリップにおいて、芯材３が、前記ピン状部材３０と共に真空圧により支持部１８に固定されるものである。
The invention according to claim 3 is the weather strip of the invention according to claim 1, wherein the core material 3 is fixed to the support portion 18 together with the pin-shaped member 30 by vacuum pressure.
請求項４に係る発明は、請求項１乃至３のいずれか一項に係る発明のウェザーストリップにおいて、キャビティ１１内にゴム様弾性体の原料を注入するゲート１３位置が、芯材３が支持部１８に対し押さえつけられる方向に設定されるものである。
The invention according to claim 4 is the weather strip according to any one of claims 1 to 3, wherein the position of the gate 13 for injecting the raw material of the rubber-like elastic body into the cavity 11 is the core 3 is the support portion. 18 is set in a direction to be pressed against 18.
請求項１乃至３に係る発明によれば、キャビティ内に配置される芯材３が型成形部１の車内側表面を形成する下型５に突出形成される支持部１８に確実に固定できるようになり、この固定状態でキャビティ１１内にゴム様弾性体の原料が注入され、型成形部１が成形されるので、型成形部１の車外側表面に芯材３に連通する凹部が形成されず、車外から芯材３を介して車内へ水が浸入することを防止できるとともに、外観性が向上する。
According to the first to third aspects of the present invention, the core material 3 disposed in the cavity can be reliably fixed to the support portion 18 formed to protrude from the lower die 5 that forms the vehicle interior surface of the mold forming portion 1. becomes, the raw material of the rubber-like elastic body is injected into the cavity 11 in a fixed state, because the molded part 1 is molded, the recess communicating with the core 3 on the exterior surface of the molded part 1 is formed In addition, water can be prevented from entering the vehicle through the core member 3 from the outside of the vehicle, and the appearance can be improved.
また、ゴム様弾性体との密着性を高めるために芯材に接着剤を塗布する工程が必要がなく、コストの低減を図ることができる。 Further, there is no need to apply an adhesive to the core material in order to improve the adhesion with the rubber-like elastic body, and the cost can be reduced.
請求項４に係る発明によれば、成形時における原料の注入圧力によって芯材３がキャビティ１１内で押し動かされることがなく、型成形部１の車外側表面に芯材３に連通する凹部が形成されるおそれがないため、請求項１に係る発明と同様の効果を奏する。
According to the fourth aspect of the present invention, the core material 3 is not pushed and moved in the cavity 11 by the injection pressure of the raw material at the time of molding, and the concave portion communicating with the core material 3 is formed on the outer surface of the molded part 1. Since there is no possibility of being formed, the same effect as the invention according to claim 1 is obtained.
以下、本発明の実施形態を図面に基づいて説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
なお、本発明の実施形態におけるウェザーストリップにおいて型成形部を成形する金型の基本構造は、図４に示すものと同じなので、ここでの説明は省略する。 In addition, since the basic structure of the metal mold | die which shape | molds a shaping | molding part in the weather strip in embodiment of this invention is the same as what is shown in FIG. 4, description here is abbreviate | omitted.
本発明の実施形態におけるウェザーストリップの型成形部１は、図２及び図３に示すとおり、金属又は樹脂製の芯材３がインサートされてなり、その車外側表面が芯材３に連通しないよう構成されている。 As shown in FIGS. 2 and 3, the weatherstrip mold forming portion 1 in the embodiment of the present invention has a metal or resin core material 3 inserted therein so that the vehicle outer surface does not communicate with the core material 3. It is configured.
そのため、本発明の実施形態におけるウェザーストリップの型成形部１は、芯材３が配置された金型のキャビティ１１内にゴム様弾性体の原料を注入することにより成形されるものであり、その際、図６乃至図８に示すように、芯材３が、型成形部１の車内側表面を形成する下型５に突出形成される支持部１８に固定された状態で前記キャビティ１１内に配置されるものである。 Therefore, the weatherstrip mold forming portion 1 in the embodiment of the present invention is formed by injecting a raw material of a rubber-like elastic body into a cavity 11 of a mold in which a core material 3 is disposed. 6 to 8, the core material 3 is fixed in the cavity 11 in a state where the core material 3 is fixed to the support portion 18 that is formed to protrude from the lower die 5 that forms the inner surface of the molded portion 1. Is to be placed.
図中、支持部１８は１つしか示されていないが、複数形成してもよいことはいうまでもない。 Although only one support portion 18 is shown in the figure, it goes without saying that a plurality of support portions 18 may be formed.
また、支持部１８の配置位置も任意に設定できる。 Moreover, the arrangement position of the support part 18 can also be set arbitrarily.
なお、本発明の実施形態におけるウェザーストリップの型成形部の材料としては、ゴムや熱可塑性エラストマー等のゴム様弾性体が用いられる。 In addition, rubber-like elastic bodies, such as rubber | gum and a thermoplastic elastomer, are used as a material of the shaping | molding part of a weather strip in embodiment of this invention.
本発明の実施形態におけるウェザーストリップによれば、型成形部の車外側表面に芯材に連通する凹部がないため、車外から芯材を介して車内へ水が浸入することを防止できるとともに、外観性が向上する。 According to the weather strip in the embodiment of the present invention, since there is no concave portion communicating with the core material on the outer surface of the molded portion, water can be prevented from entering the vehicle through the core material from the outside of the vehicle, and the appearance Improves.
また、その成形において、従来のようにゴム様弾性体との密着性を高めるために芯材に接着剤を塗布する必要がなく、コストの低減を図ることができる。 Further, in the molding, it is not necessary to apply an adhesive to the core material in order to improve the adhesion to the rubber-like elastic body as in the conventional case, and the cost can be reduced.
以下、芯材３を下型５の支持部１８に固定する例について説明する。 Hereinafter, an example in which the core material 3 is fixed to the support portion 18 of the lower mold 5 will be described.
図６は、金属製の芯材３を磁力により下型５の支持部１８に固定する例を示すものである。 FIG. 6 shows an example in which the metal core 3 is fixed to the support portion 18 of the lower mold 5 by magnetic force.
下型５には磁石２０が設けられており、当該磁石２０の作用により金属製の芯材３を下型５に突出形成される支持部１８に固定するものである。本例に用いる磁石２０は、永久磁石でも電磁石でも構わない。また、本例では磁石２０は下型５に埋設されているが、下型５に接触配置するなど、その磁力により金属製の芯材３を前記支持部１８に固定できるのであれば配置位置は自由に設定できる。 A magnet 20 is provided on the lower mold 5, and the metal core 3 is fixed to a support portion 18 formed to protrude from the lower mold 5 by the action of the magnet 20. The magnet 20 used in this example may be a permanent magnet or an electromagnet. Further, in this example, the magnet 20 is embedded in the lower mold 5, but if the metal core 3 can be fixed to the support portion 18 by its magnetic force, such as being placed in contact with the lower mold 5, the arrangement position is Can be set freely.
なお、図中、支持部１８は１つしか示されていないが、複数形成してもよいことはいうまでもない。 Although only one support portion 18 is shown in the figure, it goes without saying that a plurality of support portions 18 may be formed.
本例によれば、成形に際し芯材３を確実に支持部１８に固定することができる。 According to this example, the core material 3 can be reliably fixed to the support portion 18 during molding.
図７は、金属製または樹脂製の芯材３を真空圧により下型５の支持部１８に固定する例を示すものである。 FIG. 7 shows an example in which the core 3 made of metal or resin is fixed to the support portion 18 of the lower mold 5 by vacuum pressure.
下型５には、支持部１８の表面に開口する吸引通路２５が形成されており、支持部１８上に配置された芯材３を図示しない真空吸引手段の作用により支持部１８に固定するものである。真空吸引手段としては、従来周知の装置を用いることができる。 The lower die 5 is formed with a suction passage 25 that opens on the surface of the support portion 18, and fixes the core material 3 disposed on the support portion 18 to the support portion 18 by the action of a vacuum suction means (not shown). It is. A conventionally well-known apparatus can be used as a vacuum suction means.
なお、図７の例と同様に、支持部１８を複数形成してもよいことはいうまでもない。 Needless to say, a plurality of support portions 18 may be formed as in the example of FIG.
本例によっても、成形に際し芯材３を確実に支持部１８に固定することができる。 Also in this example, the core material 3 can be reliably fixed to the support portion 18 during molding.
図８は、金属製または樹脂製の芯材３を、該芯材３に取り付けられるピン状部材３０の押圧作用により下型５の支持部１８に固定する例を示すものである。 FIG. 8 shows an example in which the metal or resin core material 3 is fixed to the support portion 18 of the lower mold 5 by the pressing action of the pin-shaped member 30 attached to the core material 3.
ピン状部材３０は、前記ウェザーストリップの型成形部の材料と同じ材料若しくは該型成形部の材料より融点の低いゴム様弾性体により構成されるものであり、たとえば芯材３に形成された孔に嵌入して用いられる。 The pin-shaped member 30 is composed of a rubber-like elastic body having the same melting point as that of the material of the weatherstrip molding part or a material of the mold molding part. It is used by being inserted into.
ピン状部材３０の大きさは、芯材３をキャビティ１１内に配置した際に、ウェザーストリップの型成形部１の車外側表面を形成するスライド型８の内面に当接するものである。 The size of the pin-shaped member 30 is such that when the core material 3 is disposed in the cavity 11, the pin-shaped member 30 comes into contact with the inner surface of the slide mold 8 that forms the vehicle outer surface of the mold forming portion 1 of the weather strip.
本例によれば、キャビティ１１内に配置した芯材３は、該芯材３に取り付けられるピン状部材３０がスライド型８内面へ当接することにより下型５の支持部１８に押圧固定される。 According to this example, the core member 3 disposed in the cavity 11 is pressed and fixed to the support portion 18 of the lower die 5 by the pin-like member 30 attached to the core member 3 coming into contact with the inner surface of the slide die 8. .
なお、この例においても、支持部１８を複数形成してよいことはいうまでもない。 In this example, it goes without saying that a plurality of support portions 18 may be formed.
また、ピン状部材３０の数や配置位置も、その目的を逸脱しない範囲で任意に決定できる。 Further, the number and arrangement positions of the pin-shaped members 30 can be arbitrarily determined within a range not departing from the purpose.
本例によっても、成形に際し芯材３を確実に支持部１８に固定することができる。 Also in this example, the core material 3 can be reliably fixed to the support portion 18 during molding.
本例のピン状部材３０は、ウェザーストリップの型成形部１の材料と同じ材料若しくは該型成形部１の材料より融点の低いゴム様弾性体により構成されるものであり、ウェザーストリップの型成形部１の原料をキャビティ１１内に注入した際、少なくとも原料と接する表面が溶融し、ウェザーストリップの型成形部１と一体化される。 The pin-shaped member 30 of this example is composed of a rubber-like elastic body having a melting point lower than that of the material of the mold forming portion 1 of the weather strip or a material of the mold forming portion 1. When the raw material of the part 1 is injected into the cavity 11, at least the surface in contact with the raw material is melted and integrated with the mold part 1 of the weather strip.
したがって、本例は、ピン状部材３０がウェザーストリップの型成形部１の車外側表面に位置するものであるが、該型成形部１の車外側表面と芯材３とが連通されるものではない。 Therefore, in this example, the pin-shaped member 30 is located on the vehicle outer surface of the mold forming portion 1 of the weather strip, but the vehicle outer surface of the mold forming portion 1 and the core material 3 are not communicated with each other. Absent.
本例は、単独でも実施できるが、図６に示す金属製の芯材３を磁力により下型５の支持部１８に固定する例、図７に示す金属製または樹脂製の芯材３を真空圧により下型５の支持部１８に固定する例と組み合わせて実施することで、成形に際し芯材をより確実にキャビティ内に固定することができる。 Although this example can be carried out alone, the metal core 3 shown in FIG. 6 is fixed to the support portion 18 of the lower mold 5 by magnetic force, and the metal or resin core 3 shown in FIG. By carrying out in combination with the example of fixing to the support portion 18 of the lower mold 5 by pressure, the core material can be more reliably fixed in the cavity during molding.
なお、キャビティ１１内にウェザーストリップの型成形部１のゴム様弾性体の原料を注入するゲート１３位置を、下型５に突出形成された支持部１８に芯材３を押さえる方向に設定すれば、支持部１８に固定された芯材３が原料の注入圧力により押し動かされるおそれがなくなり、芯材３をさらに確実にキャビティ１１内に固定することが可能となる。 If the position of the gate 13 for injecting the raw material of the rubber-like elastic body of the weatherstrip molding part 1 into the cavity 11 is set to the direction in which the core member 3 is pressed against the support part 18 projecting from the lower mold 5. There is no possibility that the core material 3 fixed to the support portion 18 is pushed and moved by the injection pressure of the raw material, and the core material 3 can be more securely fixed in the cavity 11.
本発明の実施形態におけるウェザーストリップの型成形部１は、芯材３が車内側表面を形成する下型５に突出形成される支持部１８に確実に固定された状態でキャビティ１１内に配置され、その後、該キャビティ１１内にゴム様弾性体の原料が注入されることにより成形されるので、車外側表面に芯材に連通する凹部が形成されず、車外から芯材を介して車内へ水が浸入することを防止できるとともに、外観性が向上する。 The weatherstrip molding part 1 according to the embodiment of the present invention is disposed in the cavity 11 in a state in which the core member 3 is securely fixed to the support part 18 formed to project from the lower mold 5 that forms the inner surface of the vehicle. Thereafter, since the rubber-like elastic material is injected into the cavity 11, the concave portion communicating with the core material is not formed on the outer surface of the vehicle, and water is passed from the outside of the vehicle to the vehicle through the core material. Can be prevented from entering, and the appearance is improved.
また、その成形においてゴム様弾性体との密着性を高めるために芯材３に接着剤を塗布するが必要がなく、コストの低減を図ることができる。 In addition, it is not necessary to apply an adhesive to the core material 3 in order to improve the adhesion with the rubber-like elastic body in the molding, and the cost can be reduced.
上記本発明の実施形態におけるウェザーストリップは、型成形部が図１に示されるコンバーチブル車のａ部に組付けられるものを例に説明したが、他の断面形状の型成形部を有するウェザーストリップについても同様に適用できる。 The weather strip in the embodiment of the present invention has been described by taking the example in which the molded part is assembled to the a part of the convertible vehicle shown in FIG. 1, but the weather strip has a molded part having another cross-sectional shape. Can be applied similarly.
１・・・ウェザーストリップの型成形部
２・・・リヤピラー
３・・・芯材
５・・・下型
６、７、８・・・スライド型
９・・・上型
１１・・・キャビティ
１２・・・スプルー
１３・・・ゲート
１５・・・押えピン
１８・・・支持部
２０・・・磁石
２５・・・吸引通路
３０・・・ピン状部材
DESCRIPTION OF SYMBOLS 1 ... Mold forming part of a weather strip 2 ... Rear pillar 3 ... Core material 5 ... Lower die 6, 7, 8 ... Slide die 9 ... Upper die 11 ... Cavity 12 ..Sprue 13 ... Gate 15 ... Presser pin 18 ... Support portion 20 ... Magnet 25 ... Suction passage 30 ... Pin-shaped member
Claims (4)
該型成形部（１）は、前記芯材（３）が配置された金型のキャビティ(１１)内にゴム様弾性体の原料を注入することにより成形されるものであり、
前記芯材（３）は、型成形部（１）の車内側表面を形成する下型（５）に突出形成される支持部（１８）に固定された状態で、前記キャビティ（１１）内に配置されるウェザストリップにおいて、前記芯材（３）は、前記キャビティ（１１）内に配置した際、前記型成形部（１）の車外側表面を形成する型（８）内面に当接するよう当該芯材（３）に取り付けられたピン状部材（３０）によって、前記支持部（１８）に固定され、なおかつ当該ピン状部材（３０）は前記ゴム様弾性体と同じ材質若しくは前記ゴム様弾性体より融点の低いゴム様弾性体であることを特徴とするウェザーストリップ。 A weather strip having a molded part (1) in which a core material (3) made of metal or resin is inserted,
The mold forming part (1) is formed by injecting a raw material of a rubber-like elastic body into a cavity (11) of a mold in which the core material (3) is disposed.
The core material (3) is fixed in the cavity (11) in a state of being fixed to a support part (18) formed to protrude from the lower mold (5) that forms the inner surface of the molded part (1). In the weather strip to be arranged , the core (3) is arranged so as to come into contact with the inner surface of the mold (8) forming the vehicle outer surface of the mold forming part (1) when arranged in the cavity (11). The pin-like member (30) attached to the core member (3) is fixed to the support portion (18), and the pin-like member (30) is the same material as the rubber-like elastic body or the rubber-like elastic body. A weather strip characterized by being a rubber-like elastic body having a lower melting point .
The position of the gate (13) for injecting the rubber-like elastic material into the cavity (11) is set in a direction in which the core material (3) is pressed against the support portion (18). The weather strip according to any one of claims 1 to 3 .
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| FR3063254B1 (en) * | 2017-02-27 | 2019-03-22 | Saint-Gobain Glass France | ENCAPSULATION METHOD |
| JP6824099B2 (en) * | 2017-04-19 | 2021-02-03 | 倉敷化工株式会社 | Rubber injection molding mold and rubber injection molding method |
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