JP3732456B2

JP3732456B2 - Long composite molded product, manufacturing method and manufacturing apparatus

Info

Publication number: JP3732456B2
Application number: JP2002126665A
Authority: JP
Inventors: 善小島; 勝之天野; 達也田村; 郷行畑山; 公子津谷
Original assignee: Tokai Kogyo Co Ltd
Current assignee: Tokai Kogyo Co Ltd
Priority date: 2001-09-21
Filing date: 2002-04-26
Publication date: 2006-01-05
Anticipated expiration: 2022-04-26
Also published as: JP2003165137A

Description

【０００１】
【発明の属する技術分野】
この発明は、長尺に形成された第１成形体と、その第１成形体の凸縁構成部の先端の接合部に接合されてその長手方向に延びる第２成形体と、を備えた長尺な複合成形品とその製造方法及び製造装置に関する。
【０００２】
【従来の技術】
従来、特性（強度・硬さ・弾性等の機械的特性、あるいは耐薬品性・耐腐食性・耐熱性等の化学的特性、あるいは電気抵抗・導電性等の電気的特性、あるいは色・光沢等の意匠的特性）が互いに異なる樹脂によってそれぞれ形成された成形体を組み合わせることで長尺な複合成形品を構成することが知られている。
この種の長尺な複合成形品としては、各成形体を構成している樹脂の特性をそれぞれ好適に発揮させることが可能であるため、各種の製品、部品として広く採用されている。
例えば、車両ボディの縁端部や窓板周縁部に沿って取り付けられることで、装飾性を高めることを主とした長尺な複合成形品には、モールディング、ガーニッシュ、トリム等と呼ばれている部品がある。また、シール性を高めることを主とした長尺な複合成形品には、シール材、ウエザーストリップ、ガスケット等と呼ばれている部品がある。
また、例えば、硬質合成樹脂によって所定形状に形成された第１成形体の凸縁部の先端の接合部に対し、軟質合成樹脂によって形成された長手方向に細長い第２成形体を接着剤によって接着することで長尺な複合成形品を構成したものが知られている。
【０００３】
【発明が解決しようとする課題】
ところで、前記長尺な複合成形品においては、第１成形体の凸縁部の先端の接合部に沿って、接着剤によって長手方向に細長い第２成形体を接着する作業は、特に凸縁部の形状が二次元又は三次元的に変化するときには厄介であり、その接着作業に多くの手間や時間を必要とし、コスト高となる。また、第１成形体の接合部に対し接着不良等によって第２成形体が３次元方向に変形したり、あるいは剥がれる不具合が生じる場合もある。
第１成形体の接合部に対し、接着剤によって長手方向に細長い第２成形体を接着する手間を解消するため、第１成形体を成形型内にセットした状態で、その第１成形体の凸縁部の先端の接合部に対し、長手方向に細長い第２成形体を射出成形によって形成することが考えられる。
しかしながら、第１成形体の凸縁部の先端の接合部の長手方向に細長い第２成形体を形成した場合、その凸縁部の先端の接合部に対し、第２成形体を成形不良なく形成したり、あるいは安定よく接合することが困難となる場合があった。
【０００４】
この発明の目的は、前記問題点に鑑み、第１成形体に対し、第２成形体を安定よくかつ強固に接合して、第２成形体の剥がれを防止することができる長尺な複合成形品とその製造方法及び製造装置を提供することである。
【０００５】
【課題を解決するための手段】
前記目的を達成するために、請求項１の発明に係る長尺な複合成形品は、外表面と背面を有し、背面側に被取付体へ取り付けるための取付部を有すると共に横断面の外周部の一部に長手方向に延びる凸縁構成部を有する長尺状に形成された第１成形体と、前記第１成形体の凸縁構成部の接合部に接合されると共に長手方向に沿って延びる第２成形体とを備え、前記第１成形体の凸縁構成部と前記第２成形体とで凸縁部が形成されている長尺な複合成形品であって、
前記第１成形体の凸縁構成部には、前記接合部を含む近傍に前記複合成形品の凸縁部の外形寸法に比べて小さく形成された拡張接合部が長手方向に沿って形成され、
前記第２成形体は、前記第１成形体とは異なる材料でかつ前記凸縁構成部の接合部を含む拡張接合部に射出成形によって形成され、前記拡張接合部に接合された根元部と、前記被取付体に対して接触する方向に前記根元部から一体に張り出す細長いクッション部を長手方向に沿って有すると共に、前記第１成形体の外表面の一部を露出させている、
ことを特徴とする。
したがって、請求項１の発明に係る長尺な複合成形品によると、第１成形体の凸縁構成部の接合部を含む拡張接合部の広い接合面積において、第２成形体の根元部を強固に接合して一体化することができるため、第１成形体の凸縁構成部から第２成形体が不測に剥がれる不具合を良好に防止することができる。
【０００６】
また、請求項２の発明に係る長尺な複合成形品は、請求項１に記載の長尺な複合成形品であって、
被取付体へ取り付けるための取付部は、第１成形体の背面側に一体に突設されていることを特徴とする。
したがって、請求項２の発明に係る長尺な複合成形品によると、第１成形体の背面側に取付部が一体に突設されることで、長尺な複合成形品（例えば、窓縁モール）を被取付体（例えば、車体パネルや窓板）に対し安定よく取り付けることができるとともに、被取付体に対する第２成形体（例えば、クッション材）を所望とする姿勢に保持することができる。
【０００７】
請求項３の発明に係る長尺な複合成形品は、請求項１又は２に記載の長尺な複合成形品であって、
第１成形体の長手方向の少なくとも一方の端末部は端末覆い部によって覆われ、
前記端末覆い部は、第２成形体と同材料よりなり、前記第２成形体の長手方向の端末部と連結して一体に形成されていることを特徴とする。
したがって、請求項３の発明に係るこの長尺な複合成形品によると、第１成形体の少なくとも一方の端末部を覆うようにして設けられた端末覆い部と第２成形体を一体に連結することで、第１成形体に第２成形体をより一層強固に結合することができ、剥がれ防止に一層の効果を発揮する。
【０００８】
請求項４の発明に係る長尺な複合成形品は、請求項１〜３のいずれか一項に記載の長尺な複合成形品であって、
長尺な複合成形品は、車体パネルの窓枠部の周壁部と窓板との間の隙間に沿って装着される車両用窓縁モールを構成し、
第１成形体は、前記車両用窓縁モールのモール本体を構成し、
第２成形体は、前記モール本体の一側の凸縁構成部に接合されて前記車体パネルに接触するクッション材を構成し、及び／又は、前記モール本体の他側の凸縁構成部に接合されて前記窓板に接触するクッション材を構成していることを特徴とする。
したがって、請求項４の発明に係る長尺な複合成形品によると、長尺な複合成形品によって車両用窓縁モールを構成し、その窓縁モールを車体パネルの窓枠部の周壁部と窓板との間の隙間に沿って装着した状態において、第１成形体としてのモール本体の一側の凸縁構成部に接合された第２成形体としてのクッション材を車体パネル及び／又は、窓板に接触させることが可能となる。このように、クッション材を車体パネル及び／又は、窓板にそれぞれ接触させることで、隙間なく装着することができ、見栄えの向上を図ることができる。
しかも、モール本体の凸縁構成部の接合部を含む拡張接合部の広い接合面積において、第２成形体の根元部を強固に接合して一体化することができるため、耐久性にも優れる。
【０００９】
請求項５の発明に係る長尺な複合成形品は、請求項４に記載の長尺な複合成形品であって、
モール本体は、車体パネルの窓枠部の周壁部と窓板との間の隙間の少なくとも一部を覆いかつ所定幅を有した長尺な覆い部を備え、
前記覆い部は、その長手方向に沿って背面壁との間に空洞部を有していることを特徴とする。
したがって、請求項５の発明に係る長尺な複合成形品によると、長尺な複合成形品によって車両用窓縁モールを構成すると共に、モール本体の覆い部の長手方向に沿う空洞部に相当する分だけ軽量化が図れる。
【００１０】
請求項６の発明に係る長尺な複合成形品は、請求項１〜５のいずれか一項に記載の長尺な複合成形品であって、
第１成形体は剛性を有する硬質材料によって形成され、
第２成形体は、前記第１成形体よりも柔軟で弾性を有する軟質材料によって形成され、その根元部から張り出された細長いクッション部において弾性変形可能に形成されていることを特徴とする。
したがって、請求項６の発明に係る長尺な複合成形品によると、例えば、長尺な複合成形品によって車両用窓縁モールを構成した場合には、その窓縁モールのモール本体を強固に形成してクッション材を所望とする姿勢に保持することができる。一方、クッション材の細長いクッション部に対しては所望とする柔軟な弾性を付与することが可能となり、その細長いクッション部が弾性変形して被取付体としての車体パネルや窓板に対し隙間なく接触するため、見栄えの悪化を防止することができる。
【００１１】
また、前記請求項１〜６に記載の長尺な複合成形品において、第１成形体は硬質合成樹脂材料から形成された成形体が好ましいが、アルミニウム、亜鉛、マグネシウム等の軽合金からダイカスト成形、あるいはチクソ成形された成形体を好適に使用し得る。第２成形体はゴム状弾性を呈する軟質で弾力性を有する熱可塑性エラストマー（例えば、ＴＰＥ）等が好適に使用できる。
【００１２】
請求項７の発明に係る長尺な複合成形品の製造方法は、外表面と背面を有し、背面側に被取付体へ取り付けるための取付部を有すると共に横断面の外周部の一部に長手方向に延びる凸縁構成部を有する長尺状に形成された第１成形体と、前記第１成形体の凸縁構成部の接合部に接合されると共に長手方向に沿って延びる第２成形体とを備え、前記第１成形体の凸縁構成部と前記第２成形体とで凸縁部が形成されている長尺な複合成形品を製造する方法であって、
前記長尺な複合成形品の凸縁部の外形寸法に比べて小さく形成された接合部を含む近傍に拡張接合部が設けられた凸縁構成部を有する第１成形体を準備し、
前記第２成形体を成形する射出成形型内に前記第１成形体をセットして型閉じした状態において、前記射出成形型内の型部と前記第１成形体との間には、前記凸縁構成部の接合部を含む拡張接合部に前記第２成形体の根元部を形成する根元部キャビティと細長いクッション部を形成するクッション部キャビティとを長手方向に沿って連通状に備えた成形キャビティを構成し、
その後、前記成形キャビティに溶融材料を射出して前記成形キャビティの根元部キャビティ及びクッション部キャビティに前記溶融材料を充填し、前記第１成形体の凸縁構成部の接合部を含む拡張接合部に接合された根元部と、その根元部から被取付体に向けて張り出す細長いクッション部とを一体に有する第２成形体を成形することを特徴とする。
したがって、請求項７の発明に係る長尺な複合成形品の製造方法によると、請求項１に記載の長尺な複合成形品を容易に製造することができる。
【００１３】
請求項８の発明に係る長尺な複合成形品の製造方法は、請求項７に記載の長尺な複合成形品の製造方法であって、
成形キャビティの長手方向に所定間隔を保って配設された複数の射出ゲートから溶融材料をそれぞれ射出して前記成形キャビティの根元部キャビティ及びクッション部キャビティに前記溶融材料を充填することを特徴とする。
したがって、請求項８の発明に係る長尺な複合成形品の製造方法によると、複数の射出ゲートから溶融材料を略同時的に成形キャビティに射出して、未充填部分が生じることなく充填することができる。このため、第１成形体の凸縁構成部の接合部を含む拡張接合部に接合された根元部と、その根元部から張り出された細長いクッション部と、を一体に有する第２成形体を成形不良なく良好に形成することができる。
【００１４】
請求項９の発明に係る長尺な複合成形品の製造方法は、請求項８に記載の長尺な複合成形品の製造方法であって、
射出成形型内に、第１成形体の長手方向の少なくとも一方の端末部に端末覆い部を形成するための端末成形キャビティを成形キャビティに連続して形成し、前記成形キャビティ及び前記端末成形キャビティに溶融樹脂を射出することを特徴とする。
したがって、請求項９の発明に係る長尺な複合成形品の製造方法によると、第１成形体の長手方向の少なくとも一方の端末部に端末覆い部を有する長尺な複合成形品を容易に製造することができる。
【００１５】
請求項１０の発明に係る長尺な複合成形品の製造方法は、請求項８又は９に記載の長尺な複合成形品の製造方法であって、
成形キャビティの複数箇所に溶融樹脂を射出することを特徴とする。
したがって、請求項１０の発明に係る長尺な複合成形品の製造方法によると、成形キャビティの複数箇所に溶融樹脂を射出することで、第２成形体を充填不良なく良好に形成することができる。
【００１６】
請求項１１の発明に係る長尺な複合成形品の製造方法は、請求項７〜１０のいずれか一項に記載の長尺な複合成形品の製造方法であって、
第１成形体として合成樹脂成形品又は軽金属成形品を用いることを特徴とする。
したがって、請求項１１の発明に係る長尺な複合成形品の製造方法によると、第１成形体として合成樹脂成形品を用いた場合、溶融材料が第１成形体に接触したときの温度低下が少なく、長尺な成形キャビティに対する溶融材料の流れを円滑に保つことができ、所望とする第２成形体を良好に形成することができる。
また、第１成形体として軽金属成形品を用いた場合、第１成形体を薄肉化することができ、さらに、金属光沢を表面の一部（例えば、意匠面）に有する長尺な複合成形品が得られる。
【００１７】
請求項１２の発明に係る長尺な複合成形品の製造方法は、請求項７〜１１のいずれか一項に記載の長尺な複合成形品の製造方法であって、
成形キャビティに溶融材料を射出する射出ゲートに対向する第１成形体のゲート対向部分に、前記溶融材料の射出方向と非直角に交差する方向に傾斜する案内面を有する案内体を設けておき、前記射出ゲートから射出された前記溶融材料が前記案内面に沿って流れ前記成形キャビティに充填されることを特徴とする。
したがって、請求項１２の発明に係る長尺な複合成形品の製造方法によると、射出ゲートから溶融材料を射出して成形キャビティに充填する際、その溶融材料は案内体の傾斜状の案内面に沿って流動して成形キャビティに充填される。言い換えると、射出ゲートから射出された溶融材料の流動方向が第１成形体に直交することなく鈍角に交差することになるため、第１成形体に対する溶融材料の流動圧力が軽減される。この結果、溶融材料による第２成形体の射出成形時に第１成形体が部分的に変形したりすることが防止される。
【００１８】
請求項１３の発明に係る長尺な複合成形品の製造方法は、請求項１２に記載の長尺な複合成形品の製造方法であって、
第１成形体は中空部を有するとともに、前記中空部を形成する壁部の所定位置がゲート対向部分とされ、前記ゲート対向部分に案内体が設けられていることを特徴とする。
したがって、請求項１３の発明に係る長尺な複合成形品の製造方法によると、第１成形体はゲート対向部分に案内体が設けられているため、その中空部のゲート対向部分側の壁部と反対側の壁部の表面、例えば意匠面にひけなどの歪みが発生することが防止される。
【００１９】
請求項１４の発明に係る長尺な複合成形品の製造方法は、請求項１２又は１３に記載の長尺な複合成形品の製造方法であって、
案内体は第１成形体のゲート対向部分に一体状に形成されていることを特徴とする。
したがって、請求項１４の発明に係る長尺な複合成形品の製造方法によると、第１成形体のゲート対向部分に案内体が一体状に形成されることで、当該部分の肉厚が、案内体に相当する分だけ厚くなり、強度が増大されるため、第１成形体のゲート対向部分やその近傍が局部的に変形することが防止される。
【００２０】
請求項１５の発明に係る長尺な複合成形品の製造方法は、請求項１２又は１３に記載の長尺な複合成形品の製造方法であって、
案内体は第１成形体とは別体に形成され、前記第１成形体のゲート対向部分にセットされた状態で溶融材料が成形キャビティに射出充填されることを特徴とする。
したがって、請求項１５の発明に係る長尺な複合成形品の製造方法によると、案内体に要求される特性を備えた材料を選択して案内体を形成することができるので、例えば、第２成形体に対応する溶融材料に対し良好な滑り性、耐熱性、離型性などの特性を発揮させられる。
また、第１成形体に対応する成形型の構造複雑化などの要因で第１成形体に案内体を一体に形成することが困難なとき、あるいは溶融材料によって第２成形体を形成した後にクリップなどの取付具を装着するのに支障をきたすなどのときに有効な方法である。後者の場合、案内体は、第２成形体を形成した後に除去される。
また、溶融材料を射出する際に、射出される溶融材料が有している熱が第１成形体のゲート対向部分に直接作用することなく案内体において吸収され、案内体を介して伝導される。このため、溶融材料が有している熱によって第１成形体のゲート対向部分が過剰に加熱されて変形する不具合が防止される。
【００２１】
請求項１６の発明に係る長尺な複合成形品の製造方法は、請求項１３〜１５のいずれか一項に記載の長尺な複合成形品の製造方法であって、
第１成形体の長手方向に対する案内体の幅寸法は、射出ゲートの開口幅寸法を下回らない大きさに設定されていることを特徴とする。
したがって、請求項１６の発明に係る長尺な複合成形品の製造方法によると、射出ゲートの開口部から射出される溶融材料の射出圧力を案内体の傾斜状の案内面の実質的に広い面積において受けることができる。これによって、案内体の傾斜状の案内面に作用する単位面積当たりの圧力が軽減する。このため、案内体の損傷を防止することができ、ひいては第１成形体の変形、破壊等の防止に効果が大きい。
また、溶融材料の射出の際に、その溶融材料（液状）が案内体の案内面を越えて長手方向に漏れ出ることが防止され、溶融材料（液状）が案内体の案内面に沿って流動して成形キャビティに充填される。
【００２２】
請求項１７の発明に係る長尺な複合成形品の製造方法は、請求項１３〜１６のいずれか一項に記載の長尺な複合成形品の製造方法であって、
案内体の案内面は平滑面に形成されていることを特徴とする。
したがって、請求項１７の発明に係る長尺な複合成形品の製造方法によると、案内体の案内面が平滑面に形成されることで、溶融材料が案内体の案内面において過度の流動抵抗を受けることなくスムーズに流動する。この結果、溶融材料の射出の際、案内体を介して第１成形体に作用する材料圧力が過度に増大する不具合が防止される。
【００２３】
請求項１８の発明に係る長尺な複合成形品の製造装置は、外表面と背面を有し、背面側に被取付体へ取り付けるための取付部を有すると共に横断面の外周部の一部に長手方向に延びる凸縁構成部を有する長尺状に形成された第１成形体と、前記第１成形体の凸縁構成部の接合部に接合されると共に長手方向に沿って延びる第２成形体とを備え、前記第１成形体の凸縁構成部と前記第２成形体とで凸縁部が形成されている長尺な複合成形品を製造する装置であって、
型閉じ並びに型開き動作する一対の成形型を備え、
前記一対の成形型の間には、前記長尺な複合成形品の凸縁部の外形寸法に比べて小さく形成されることで接合部を含む近傍に拡張接合部が設けられた凸縁構成部を有する第１成形体がセットされ、かつ前記一対の成形型が型閉じした状態において、前記凸縁構成部の接合部を含む拡張接合部の部分に前記第２成形体の根元部を形成する根元部キャビティが形成されるとともに、前記第２成形体の主体部をなす細長いクッション部を形成するクッション部キャビティが前記根元部キャビティに連通して形成され、
前記根元部キャビティとクッション部キャビティによって前記根元部と細長いクッション部と、を一体に有する第２成形体に対応する成形キャビティが構成され、
前記一対の成形型の少なくとも一方には、前記成形キャビティに溶融材料を射出して充填する射出ゲートが設けられていることを特徴とする。
したがって、請求項１８の発明に係る長尺な複合成形品の製造装置を用いて請求項７に記載の長尺な複合成形品の製造方法を容易に実施することができる。
【００２４】
【発明の実施の形態】
（実施の形態１）
この発明の実施の形態１を図１〜図１０にしたがって説明する。
この実施の形態１においては、長尺な複合成形品が車両用の窓縁モール２０である場合を例示する。
車両の一部を前方から視た斜視図で表した図５において、車体パネルとしてのフロントピラーパネル２とルーフパネル３には、窓板８（フロントウインドウガラスとも呼ばれている）に対応する窓枠部５が形成されている。
図１〜図３に示すように、窓枠部５は、周壁部７と、その周壁部７から内側に向けて張り出され窓開口部４を構成するフランジ部６とを備えて構成されている。窓枠部５の左右両側部において、その周壁部７は、フランジ部６を基準とした高さ寸法において、下部が高く上部に向けてしだいに低くなった傾斜状に形成されている。
窓枠部５に装着されて窓開口部４を塞ぐ窓板８は、その背面の周縁部に沿って弾性体よりなるダムラバー９が接着されている。そして、窓板８は、窓枠部５に嵌込まれ、そのダムラバー９をフランジ部６の外側面に押し当てて適宜に弾性的に変形させた状態で接着剤兼シーラント（図示しない）によって窓枠部５に固着されている。
【００２５】
長尺な複合成形品としての車両用の窓縁モール２０は、第１成形体としてのモール本体２１と、そのモール本体２１とは異なる材料よりなる第２成形体としてのクッション材３０、３３と、を一体状に備えて構成されている。そして、窓縁モール２０は、窓枠部５の上下部及び左右両側部のうち、左右両側部の窓枠部５の部分において、窓板８の外周縁と、窓枠部５の周壁部７との間の隙間Ｓに沿って取り付け可能に形成されている。
【００２６】
図１〜図４に示すように、第１成形体としてのモール本体２１は、前記隙間Ｓの略全体を覆いかつ所定の幅を有した長尺な覆い部２２と、その覆い部２２の背面側の長手方向に連続しかつ略板状をなして突設された取付部４０と、を一体に備えている。また、モール本体２１は、硬質合成樹脂を材料として射出成形、ガス射出成形等によって、あるいは軽合金のダイカスト成形やチクソ成形によって一体に形成されている。このモール本体２１を形成するための硬質合成樹脂としては、例えば、ＡＢＳ樹脂、ＰＰ樹脂、ＡＥＳ樹脂、ＰＰＯ樹脂、ＰＣ樹脂、ＰＡ樹脂、あるいはこれらのアロイ樹脂等がある。また、モール本体２１、特に、覆い部２２の外装意匠部の表面に耐候性塗装や表面処理を施す場合には樹脂材料は特に限定されないが、前記表面処理を施さない場合には、モール本体２１を耐候性に優れるＡＥＳ樹脂、ＰＰ樹脂等によって形成することが望ましい。
一方、モール本体２１が軽合金の成形品である場合には、アルミニウム合金、亜鉛合金、マグネシウム合金等のダイカスト成形品又はマグネシウム合金のチクソ成形品を使用でき、硬質合成樹脂の成形品を使用するのに比べて薄肉化が計れる。
また、この実施の形態１においては、硬質合成樹脂を使用したものを例示しており、モール本体２１の覆い部２２は、その長手方向に沿って一体に形成された背面壁２６との間に空洞部２３を有し、ガス射出成形によって中空状に形成されている。
【００２７】
さて、第１成形体としてのモール本体２１の横断面の外周部において、互いに離れた複数箇所には第２成形体としてクッション材３０、３３を一体状に接合するための接合部を有する凸縁構成部が形成されている。
この実施の形態１において、図１において紙面上で左右２箇所に接合部を有する凸縁構成部が設けられている。これら両凸縁構成部のうち、１つの凸縁構成部は、モール本体２１の覆い部２２の背面壁２６の幅方向一端から窓板８の外側面に向けて突出されたせき構成部２８によって構成されている。また、他の１つの凸縁構成部は、覆い部２２の外装意匠部の窓枠側に突設された凸縁構成部２９によって構成されている。そして、せき構成部２８及び凸縁構成部２９のそれぞれには、これら接合部（先端部）２８１、２９１を含む近傍が、最終製品としての窓縁モール２０のせき部２８Ａ並びに凸縁部２９Ａの外形寸法に比べて小さく形成されることで拡張接合部２８２、２９２がそれぞれ形成されている。
【００２８】
図１〜図３に示すように、せき構成部２８の接合部２８１を含む拡張接合部２８２に接合される第２成形体としてのクッション材３０は、モール本体２１とは異なる材料、例えば、モール本体２１よりも柔軟で弾性を有する軟質合成樹脂（例えば、ＴＰＥ樹脂等の熱可塑性エラストマー）の射出成形によって形成されている。このクッション材３０は、同クッション材３０の射出成形と同時に、せき構成部２８の接合部２８１を含む拡張接合部２８２に一体状に接合された横断面略Ｕ字状の根元部３１と、その根元部３１から窓板８の外側面に弾性変形して接触可能に張り出された細長いクッション部３２とを一体に有している。
言い換えると、最終製品としての窓縁モール２０のせき部２８Ａは、モール本体２１のせき構成部２８と接合部２８１を含む拡張接合部２８２に形成されるクッション材３０の根元部３１によって構成され、その根元部３１から張り出されて細長いクッション部３２が形成されている。
【００２９】
また、モール本体２１の凸縁構成部２９の接合部２９１を含む拡張接合部２９２に接合させる第２成形体としてのクッション材３３は、前記クッション材３０と同材質の軟質合成樹脂の射出成形によって形成されている。このクッション材３３は、同クッション材３３の射出成形と同時に、凸縁構成部２９の接合部２９１を含む拡張接合部２９２に一体状に接合された横断面略Ｕ字状の根元部３５と、その根元部３５から張り出されかつ窓枠部５の周壁部７の頂部あるいはその頂部に連続するフロントピラーパネル２の外面に弾性変形して接触可能に張り出された細長いクッション部３６とを一体に有している。言い換えると、最終製品としての窓縁モール２０の凸縁部２９Ａは、モール本体２１の凸縁構成部２９とクッション材３３の根元部３５によって構成され、その根元部３５から張り出されて細長いクッション部３６が形成されるようになっている。
【００３０】
図３と図４に示すように、モール本体２１の覆い部２２の背面壁２６には、その長手方向に沿って所定の間隔を隔てかつモール本体２１の背面壁２６を跨いで幅方向に複数の連結部３７が一体状に接合されている。これら連結部３７は、両クッション材３０、３３と同材質でクッション材３０、３３の射出成形と同時に形成されている。そして、各連結部３７は、取付部４０（この発明の取付部あるいは隔壁に相当する）の貫通部４６（貫通孔）をそれぞれ貫通し、その両端部が両クッション材３０、３３の各根元部３１、３５まで延びて一体状をなしている。これによって、両クッション材３０、３３を一体状に連結している。
また、この実施の形態１において、図４に示すように、モール本体２１の下部の端末部２１ａには、その端末部２１ａを覆うようにして端末覆い部３８が一体状に形成されている。この端末覆い部３８はクッション材３０、３３と同材質の軟質合成樹脂の射出成形によって形成され、これら両クッション材３０、３３の端末部を連結して一体に形成されている。なお、クッション材３０において、そのクッション部３２と根元部３１との間には明確な境界は必ずしも必要でなく、硬質合成樹脂からなるせき構成部２８が窓板８に直接に接触するのを防止する部分がクッション部３２で、その他の部分が根元部３１であり、クッション材３３についても同様である。
【００３１】
また、この実施の形態１において、図１〜図４に示すように、モール本体２１の覆い部２２の背面壁２６には、窓縁モール２０を車体パネルに取付けるために両クッション材３０、３３の間に位置して略板状をなす取付部４０（この発明の取付部あるいは隔壁に相当する）が一体に突設されている。そして、この取付部４０の所定位置に連結部３７を形成するための軟質合成樹脂の一部が充填される貫通部４６が形成されている。
図１、図２及び図４に示すように、取付部４０は、各複数の第１取付部４１と第２取付部４３とを長手方向に交互に有するとともに、これら第１取付部４１と第２取付部４３とを一体連続状に連結する連続部４５を有して長手方向に略蛇行状に形成されている。
取付部４０の長手方向の両端部近傍と中間部の計３箇所に第１取付部４１が設けられ、各第１取付部４１の中間部２箇所に第２取付部４３が設けられている。そして、窓板８の外周縁と、窓枠部５の周壁部７との間の隙間Ｓに沿って窓縁モール２０が取り付けられた状態にあるときには、第１取付部４１よりも第２取付部４３が窓板８の外周縁に近い位置に配置されるように構成されている。
【００３２】
図１と図４に示すように、取付部４０の複数の第１取付部４１には、窓枠部５の周壁部７に係止される第１取付具５０と係合可能な角孔状の係合部４２がそれぞれ形成されている。
また、図２と図４に示すように、取付部４０の複数の第２取付部４３には、窓板８の外周縁に係止される第２取付具６０と係合可能な角孔状の係合部４４がそれぞれ形成されている。
なお、第１取付具５０は、例えば、ばね鋼板等からなり、第１取付部４１が差し込まれる挿入溝を有して断面略Ｕ字状に形成されている。この第１取付具５０の両側板部のうち、窓板８側に位置する一方の側板部には、第１取付部４１の角孔状の係合部４２と係合して抜け止めをなす係止爪５６が切り起こし状に形成されている。また、第１取付具５０は、その窓枠部側の側板部において両面接着テープ等によって予め窓枠部５の周壁部７に接着されて固着されている。
また、第２取付具６０は、その本体部が第２取付部４３が差し込まれる挿入溝を有して断面略Ｕ字状にかつ弾力性に富む合成樹脂などから形成されている。この第２取付具６０の両側板部のうち、窓板８側に位置する一方の側板部には、第２取付部４３の角孔状の係合部４４と係合して抜け止めをなす係止爪６６が形成されている。また、第２取付具６０には、窓板８側の側壁部の両端部から窓板８の周縁部に向けて弾性的に変形可能な一対のアーム部が略ハの字をなして延出されている（図４の係合部４４に二点鎖線で示す部分）。そして、これら一対のアーム部の先端部には、窓板８の周縁部の背面と周端面にそれぞれ係合して抜け止めをなす窓板側係止部６８が形成されている。
【００３３】
この実施の形態１に係る窓縁モール２０は上述したように構成される。
したがって、車体パネルの窓枠部５に装着された窓板８の外周縁と、窓枠部５の周壁部７との間の隙間Ｓに沿って窓縁モール２０を取り付ける場合、予め、窓縁モール２０の第１取付部４１及び第２取付部４３に第１取付具５０及び第２取付具６０をそれぞれ取り付けておいて前記隙間Ｓに向けて窓縁モール２０を押し付けることで取り付けられる。
なお、図１に示すように、第１取付具５０は、窓枠部側の側板部に両面接着テープを介して予め窓枠部５の周壁部７に接着されて固着されている。前記押し付けによって第１取付部４１の係合部４２が第１取付具５０の係止爪５６に係止することで固着される。
一方、図２に示すように、第２取付具６０の一対のアーム部の窓板側係止部６８を窓板８の外周縁の背面側エッジ部に弾性的に係合させる。これによって前記隙間Ｓに沿って窓縁モール２０が取り付けられる。
【００３４】
前記したように窓縁モール２０が取り付けられた状態において、モール本体２１のせき構成部２８の接合部２８１を含む拡張接合部２８２に対し根元部３１が接合されたクッション材３０は、その細長いクッション部３２が窓板８の外表面に接して弾性的に変形して隙間なく接触（密接）する。
また、モール本体２１の凸縁構成部２９の接合部２９１を含む拡張接合部２９２に対し根元部３５において接合させたクッション材３３は、その細長いクッション部３６が被取付体としての車体パネル、すなわち、窓枠部５の周壁部７の頂部あるいはその頂部に連続するフロントピラーパネル２の外面に接して弾性的に変形して隙間なく接触（密接）する。
【００３５】
前記モール本体２１は剛性を有する硬質合成樹脂によって所要とする強度をもって形成される一方、クッション材３０、３３は、モール本体２１よりも柔軟で弾性を有する軟質合成樹脂によって形成され、クッション材３０、３３のクッション部３２、３６に所望とするクッション性を付与することができる。このため、窓縁モール２０の取付時に車体パネルとしてのフロントピラーパネル２の塗膜や窓板８の損傷防止、使用時に前記損傷防止に加えて窓板８との接触音発生防止、並びにこれら部分での隙間の発生を防止することができる。さらに、車体パネル並びに窓板８との間の不測の隙間の発生を防止して、その隙間による見栄えの悪化を防止することができる。
また、車体パネル並びに窓板８の製作組付によるバラツキや、窓縁モール２０自体の製造のバラツキがあったとしても、これらバラツキを窓縁モール２０の両クッション材３０、３３のクッション部３２、３６の弾性変形によって吸収することが可能である。言い換えると、クッション材３０、３３のクッション部３２、３６が弾性的に変形して車体パネルや窓板８に隙間なく接触（密接）するため、見栄えの悪化を防止することができる。
【００３６】
なお、車両走行時において、窓板８の外表面の左右両側部に向けて流れる雨水はせき部２８Ａによって堰き止められた後、せき部２８Ａに案内されて流下するか、又は上方のルーフパネル３に向けて流れる。このため、前記雨水が窓縁モール２０を乗り越えて（横切って）車両の側窓板（サイドガラス）に向けて流れるのが防止され、サイド視界を悪化させる不具合が生じない。
【００３７】
特に、せき構成部２８並びに凸縁構成部２９のそれぞれの接合部２８１、２９１を含む拡張接合部２８２、２９２に接合されるクッション材３０、３３は、射出成形と同時に、せき構成部２８並びに凸縁構成部２９のそれぞれの接合部２８１、２９１を含む拡張接合部２８２、２９２に一体状に接合された横断面略Ｕ字状の根元部３１、３５と、こられの根元部３１、３５から張り出された弾性変形可能な細長いクッション部３２、３６とを一体に有している。
したがって、両クッション材３０、３３は、その各根元部３１、３５がせき構成部２８の接合部２８１を含む拡張接合部２８２又は凸縁構成部２９の接合部２９１を含む拡張接合部２９２の広い接合面積をもってそれぞれ強固に接合されて一体化する。このため、クッション材３０、３３がせき構成部２８又は凸縁構成部２９から不測に剥がれる不具合を良好に防止することができる。なお、モール本体２１を構成する材料と、クッション材３０、３３を構成する材料が相溶性を有する場合には接合部において特別の処理を施さなくても両者は溶着により強固に接合するが、相溶性を有しない場合には、モール本体２１の接合相当部にプライマー層を予め形成しておく等の処理により強固な接合が得られる。
【００３８】
また、この実施の形態１において、モール本体２１の互いに離れた位置に設けられた両クッション材３０、３３が、覆い部２２の背面壁２６に一体状に接合された複数の連結部３７によって一体状に連結されている。このため、モール本体２１に対しクッション材３０、３３が一層強固に結合され、クッション材３０、３３の剥がれ防止に効果が大きい。
また、この実施の形態１において、モール本体２１の下部の端末部２１ａを覆うようにして一体に形成された、端末覆い部３８は、クッション材３０、３３と同材質の軟質合成樹脂の射出成形によって形成され、クッション材３０、３３の端末部を一体に連結している。このため、モール本体２１に対しクッション材３０、３３がより一層強固に結合され、クッション材３０、３３の剥がれ防止に一層の効果を発揮する。
【００３９】
次に、前述した窓縁モール２０を製造する製造方法並びにその製造方法に用いる製造装置を図６〜図１０にしたがって説明する。なお、図６は理解を容易にするため後述するコア型を外した状態のキャビティ型の平面図である。また、図７及び図８は、図６のＶＩＩ−ＶＩＩ線に沿う相当部分の断面図である。また、図９及び図１０は、図６のＩＸ−ＩＸ線に沿う相当部分の断面図である。さらに、図７及び図９は、後述する溶融材料を射出する前の状態を、図８及び図１０は、溶融材料を充填した状態をそれぞれ示す断面図である。
すなわち、窓縁モール用製造装置としてのスチール等の金属製の射出成形型装置を示す図６、図７及び図９において、型閉じ・型開き動作する両成形型のうち、一方の成形型７１は、コア型７１Ａとストリッパープレート７１Ｂとを備え、そのコア型７１Ａの所定位置には、窓縁モール２０の所定位置に形成されるアンダーカット部、すなわち、モール本体２１の覆い部２２の背面壁２６側の一側縁やクッション材３０、３３に対応する部分においてスライド型７８、７９がそれぞれスライド動作（進退動作）可能に組み付けられている。
他方の成形型としてのキャビティ型７２には、その型面部に第１成形体としてのモール本体２１の覆い部２２が接して位置決めされてセットされる。
また、図９に示すように、型閉じ状態にあるときに、コア型７１Ａの押圧部７１１の先端は、モール本体２１の背面壁２６に接触してモール本体２１をキャビティ型７２に押し付けるが、背面壁２６と覆い部２２との間には空洞部２３が形成されているのでコア型７１Ａの押圧力は背面壁２６の弾性変形によっていくぶん吸収され、その押圧力が直接に覆い部２２に伝わることがない。この結果、覆い部２２がキャビティ型７２の型面に接しても傷つき等が防止される。覆い部２２に塗装を施したものでは特に効果的である。
前述したように硬質合成樹脂製のモール本体２１には、その覆い部２２の背面壁２６にせき構成部２８が突設され、覆い部２２の一側縁には凸縁構成部２９が突設されている。これらせき構成部２８及び凸縁構成部２９のそれぞれには、これら接合部２８１、２９１を含む近傍が、最終製品としての窓縁モール２０のせき部２８Ａ並びに凸縁部２９Ａの外形寸法に比べて小さくされることで拡張接合部２８２、２９２がそれぞれ形成されている。
【００４０】
図７と図９に示すように、コア型７１Ａと、キャビティ型７２とが型閉じされスライド型７８、７９が前進端位置まで前進した状態において、コア型７１Ａ、キャビティ型７２、スライド型７８、７９並びにモール本体２１の間には、そのモール本体２１のせき構成部２８並びに凸縁構成部２９の回りに、せき構成部２８と成形型の型部７９ａにより、及び突縁構成部２９と成形型の型部７８ａとにより根元部３１、３５を形成するための長手方向に連続する根元部キャビティ８３、８６と、細長いクッション部３２、３６を形成するクッション部キャビティ８４、８７とが連通してそれぞれ形成される。そして、根元部キャビティ８３、８６とクッション部キャビティ８４、８７によって窓縁モール２０のクッション材３０、３３に対応する成形キャビティ８２、８５が構成されるようになっている。これにより、成形キャビティ８２、８５は、クッション部キャビティ８４、８７だけのキャビティよりも横断面における面積が拡大して、流体（すなわち、溶融材料）が流動するときの抵抗を減少させ、後述するように溶融材料の流動をスムーズに行える。
【００４１】
また、モール本体２１の覆い部２２の背面壁２６とコア型７１Ａの押圧部７１１との間には窓縁モール２０の連結部３７に対応する連通路８８が形成される。この連通路８８はモール本体２１の取付部４０に貫設された貫通部４６を通し、その一端部が一方の根元部キャビティ８３に連通し、他端部が他方の根元部キャビティ８６に連通している。
また、コア型７１Ａと、キャビティ型７２とが型閉じされ状態において、これらコア型７１Ａと、キャビティ型７２との間には端末覆い部３８に対応する端末成形キャビティ８１が形成されている。そして、各成形キャビティ８２、８５の一端部が端末成形キャビティ８１にそれぞれ連通されている（図６参照）。
また、端末成形キャビティ８１に射出ゲート７７が設けられ、更に好ましくは各成形キャビティ８２、８５及び連通路８８のうち、少なくとも一箇所には射出ゲートが設けられている。
この実施の形態１において、長手方向に所定の間隔を隔てて設けられた複数の連通路８８又はその近傍に位置する一方の成形キャビティ８２の複数箇所に射出ゲート７５、７６がそれぞれ設けられている。
前記各射出ゲート７５、７６、７７は、それぞれの副スプルー路７４を介してランナー通路７３に連通されている。また、ランナー通路７３は図示しない主スプルー路を介して射出成形機の射出ノズルに連通されるようになっている（図７参照）。
【００４２】
すなわち、射出ノズルから供給される軟質合成樹脂よりなる溶融材料は主スプルー路を経てランナー通路７３に流れた後、各副スプルー路７４に流れる。
射出ゲート７７から射出された溶融材料は、端末成形キャビティ８１を通ってその端末成形キャビティ８１に充填されながら各成形キャビティ８２、８５に流れる。
また、射出ゲート７５、７６からそれぞれ射出された溶融材料は、一方の成形キャビティ８２に充填され、複数の連通路８８を通って他方の成形キャビティ８５に流れる。
これによって、溶融材料が各成形キャビティ８２、８５、端末成形キャビティ８１及び各連通路８８にそれぞれ不足なく充填される。
そして、図８と図１０に示すように、各成形キャビティ８２、８５、端末成形キャビティ８１及び各連通路８８に充填された溶融材料が冷却固化されることによって、モール本体２１の各部分には、各クッション材３０、３３及び各連結部３７が一体化して接合されるとともに、同モール本体２１の端末部２１ａには端末覆い部３８一体化して接合され、これによって窓縁モール２０が製造される。
その後、コア型７１Ａと、キャビティ型７２とが型開きされ、スライド型７８、７９が後退位置まで後退された状態で窓縁モール２０が脱型される。これによって窓縁モール２０の製造の１サイクルが完了する。
【００４３】
前記したように窓縁モール用製造装置としての射出成形型装置を用いた製造方法によって実施の形態１で述べた窓縁モール２０を容易に製造することができる。
すなわち、この実施の形態１の製造方法によると、モール本体２１のせき構成部２８と凸縁構成部２９において、これらせき構成部２８及び凸縁構成部２９の各接合部２８１、２９１を含む近傍が、最終製品としての窓縁モール２０のせき部２８Ａ並びに凸縁部２９Ａの外形寸法に比べて小さく形成されることで拡張接合部２８２、２９２がそれぞれ形成されている。そして、拡張接合部２８２、２９２に対応する位置に設けられた根元部キャビティ８３、８６に相当する分だけ成形キャビティ８２、８５の横断面積が拡大され、溶融樹脂が成形キャビティ８２、８５内を長手方向に流動する際の圧力損失が少なくてすみ、結果として流動抵抗を減少させるので、成形キャビティ８２、８５内の溶融樹脂の流れが円滑化する。
このため、モール本体２１のせき構成部２８並びに凸縁構成部２９のそれぞれの接合部２８１、２９１を含む拡張接合部２８２、２９２に一体状に接合された横断面略Ｕ字状の根元部３１、３５と、こられの根元部３１、３５から張り出された弾性変形可能な細長いクッション部３２、３６とを一体に有するクッション材３０、３３を未充填部分（通称、「ショート」と呼ばれている）が生じることなく所定の大きさ及び形状に良好に形成することができる。言い換えると、根元部キャビティ８３、８６は、モール本体２１の一部を溶融樹脂の流路とするランナーの役割を果たしている。
【００４４】
また、各成形キャビティ８２、８５は、その根元部キャビティ８３、８６において複数の連通路８８によって連通され、その連通路８８を通って溶融材料が根元部キャビティ８３から根元部キャビティ８６に流れるようになっている。このため、成形キャビティ８５が未充填のときには、成形キャビティ８２内との圧力差により、溶融材料は引き続いて根元部キャビティ８６に流れ込む。このため、両成形キャビティ８２、８５間で溶融材料の圧力が略均一に保たれた状態で成形キャビティ８５にも溶融材料が充填される。これによって、各成形キャビティ８２、８５には溶融材料がそれぞれ不足なく充填され、所望とするクッション材３０、３３を良好に形成することができる。
また、各成形キャビティ８２、８５の一端部は端末成形キャビティ８１と連通されている。このため、端末成形キャビティ８１に射出された溶融材料は端末成形キャビティ８１に充填された後にその溶融材料の一部が各成形キャビティ８２、８５に流れて他の位置から射出されて成形キャビティ８２、８５内を流動してくる溶融材料と合流して充填される。これによって、各成形キャビティ８２、８５及び端末成形キャビティ８１には溶融材料がそれぞれ不足なく充填され、所望とするクッション材３０、３３及び端末覆い部３８を良好に形成することができる。
【００４５】
また、長手方向に所定の間隔を隔てて設けられた複数の連通路８８の近傍に位置する一方の成形キャビティ８２の複数箇所に射出ゲート７５、７６がそれぞれ設けられている。このため、溶融材料が各射出ゲート７５、７６、７７から一方の成形キャビティ８２及び端末成形キャビティ８１に略同時に射出される。このため、端末成形キャビティ８１、一方の成形キャビティ８２、複数の連通路８８、他方の成形キャビティ８５に対し短時間で溶融材料が充填される。
なお、射出ゲート７５、７６を、連通路８８又はその近傍に設けておくことで、溶融材料が連通路８８を通過するときに発生する圧力損失を効果的に補って成形キャビティ８５に溶融材料を良好に流動させることができる。
また、前述したように、実質的に断面積が拡大した成形キャビティ８２、８５によって充填不足が生じることなく溶融材料が流動するときには、射出ゲート７７の一箇所を利用して、他の射出ゲート７５、７６は省略することができる。この場合には複数の射出ゲートを用いることによって発生するウエルドの問題が生じない利点がある。
【００４６】
また、モール本体２１は、硬質材料のうち、この実施の形態１では硬質合成樹脂によって形成されている。このため、モール本体２１が断熱材として機能し、溶融材料が成形キャビティ８２、８５内でモール本体２１に接触したときに急激に熱を奪われて溶融材料の温度低下と固化が生じることを防止することができる。このため、溶融材料は比較的長時間にわたり流動可能で、長尺な成形キャビティ８２、８５内での溶融材料の流れが円滑に保たれる。
また、モール本体２１が軽金属合金等で形成されているときには、モール本体２１を常温を越える温度に加熱しておいたものを射出成形型内にセットすることで、射出された溶融材料の急激な温度低下を前記と略同様にして防止することができる。
前述したように溶融材料の急激な温度低下を防止することで、各成形キャビティ８２、８５、各連通路８８及び端末成形キャビティ８１に溶融材料がそれぞれ円滑に流れて不足なく充填され、所望とするクッション材３０、３３、連結部３７及び端末覆い部３８を良好に形成することができる。
【００４７】
（実施の形態２）
次に、この発明の実施の形態２を図１１〜図１３にしたがって説明する。
この実施の形態２においては、第１成形体としてのモール本体２１に対し、第２成形体としてのクッション材３０、３３を形成するための溶融材料の射出成形時の流動圧力が要因となるモール本体２１の部分的な変形を防止することができる製造方法を提供することを課題とする。
すなわち、第１成形体としてのモール本体２１を形成するための材料として、最適な特性を有する材料を用いることができない場合がある。
例えば、モール本体２１を強度的には十分ではない材料（硬度は大きいが靱性に乏しい材料、あるいは靱性は大きいが硬度が小さい材料）を使用せざるを得ない場合や第１成形体としてのモール本体２１のゲート対向部分の肉厚を薄くせざるを得ない場合等がある。このように強度的には十分ではない材料によって第１成形体としてのモール本体２１が形成されている場合などにおいて、第２成形体としてのクッション材３０、３３を形成するための溶融材料を成形キャビティ８２、８５に射出充填して第２成形体としてのクッション材３０、３３を形成すると、第１成形体としてのモール本体２１のゲート対向部分に限度を越える過度の射出圧力が作用し、モール本体２１を局部的に変形させたり、あるいは破損させることがある。
特に、射出ゲート７５、７６に対向するモール本体２１のゲート対向部分が溶融材料の射出方向と略直角に交差する場合においては、その溶融材料の射出時の流動圧力がそのままの大きさでモール本体２１のゲート対向部分に作用し、当該モール本体２１のゲート対向部分やその近傍を局部的に変形させたり、あるいは破損させることがある。
そこで、この実施の形態２においては、モール本体２１にクッション材３０、３３を射出成形するための溶融材料の流動圧力が要因となるモール本体２１の部分的な変形を防止しようとするものである。
【００４８】
図１１は実施の形態２に係る成形キャビティに溶融材料が射出充填された状態を示す断面図である。図１２は第１成形体としてのモール本体のゲート対向部分、案内体及び射出ゲートの関係を示す説明図である。
図１１と図１２に示すように、この実施の形態２においては、成形キャビティ８２、８５に溶融材料を射出する射出ゲート７５、７６に対向するモール本体２１のゲート対向部分、この実施の形態２では、モール本体２１の空洞部２３を有する覆い部２２の背面壁２６の所定部分に、溶融材料の射出方向と非直角に交差する方向に傾斜する案内面１００を有する案内体１０１を設けておき、射出ゲート７５、７６から射出された溶融材料が案内面１００に沿って流れ、成形キャビティ８５に充填される構成にしてある。
特に、射出ゲート７５、７６から射出された溶融材料の流動方向がモール本体２１の覆い部２２の背面壁２６に直交することなく、例えば、溶融材料の流動方向と覆い部２２の背面壁２６とがなす角度θが９０度を越え、好ましくは１２０度〜１５０度程度の鈍角となるように案内体１０１の案内面１００の傾斜角度が設定される。
また、この実施の形態２においては、図１２に示すように、案内体１０１はモール本体２１のゲート対向部分、すなわち、空洞部２３を有する覆い部２２の背面壁２６の所定部分に一体状に形成され、案内面１００が背面壁２６とは滑らかに連続する曲面でつながっている。
また、モール本体２１の長手方向に対する案内体１０１の幅寸法は、射出ゲート７５、７６の開口幅寸法を下回ることがない程度に適宜に大きさに設定されている。
また、案内体１０１の案内面１００は平滑面に形成されている。
この実施の形態２のその他の構成は前記実施の形態１と略同様にして構成されるため、同一構成部分に対し同一符号を付記してその説明は省略する。
なお、図１１において、モール本体２１のせき構成部２８並びに凸縁構成部２９のそれぞれの接合部及び同接合部を含む拡張接合部の符号２８１、２９１、２８２、２９２は省略する。
【００４９】
したがって、この実施の形態２において、射出ゲート７５、７６から溶融材料を射出して成形キャビティ８２、８５に充填する際、その溶融材料は案内体１０１の傾斜状の案内面１００に沿って流動して成形キャビティ８５に充填される。言い換えると、射出ゲート７５、７６から射出された溶融材料の流動方向がモール本体２１の覆い部２２の背面壁２６に直交することなく鈍角で交差することになる。このため、モール本体２１の覆い部２２の背面壁２６に作用する溶融材料の流動圧力が軽減される。この結果、溶融材料によるクッション材３０、３３の射出成形時にモール本体２１が、その覆い部２２の背面壁２６において部分的に変形したりすることが防止される。
また、モール本体２１は、中空部としての空洞部２３を有する覆い部２２の背面壁２６の所定部分がゲート対向部分とされ、そのゲート対向部分に案内体１０１が一体に設けられている。このため、覆い部２２の背面壁２６と反対側の壁部、すなわち、覆い部の外装意匠部の表面から離れた位置に案内体１０１が形成されているので、前記表面にひけなどの歪みが発生することが防止される。
また、案内体１０１は、覆い部２２の背面壁２６の部分に一体状に形成され、当該部分の肉厚が、案内体１０１に相当する分だけ厚くなり、強度が増大される。このため、モール本体２１のゲート対向部分、すなわち、覆い部２２の背面壁２６やその近傍が局部的に変形することが防止される。
【００５０】
また、モール本体２１の長手方向に対する案内体１０１の幅寸法は、射出ゲート７５、７６の開口幅寸法を下回ることがない大きさに設定されている。このため、射出ゲート７５、７６の開口部から射出される溶融材料の射出圧力を案内体１０１の傾斜状の案内面１００の実質的に広い面積において受けることができる。これによって、案内体１０１の傾斜状の案内面１００に作用する単位面積当たりの圧力が軽減する。このため、案内体１０１の損傷を防止することができ、ひいてはモール本体２１の変形、破壊等の防止に効果が大きい。
また、溶融材料の射出の際に、その溶融材料（液状）が案内体１０１の案内面１００を越えて長手方向に漏れ出ることが防止され、溶融材料（液状）が案内体１０１の案内面１００に沿って流動して成形キャビティ８５に充填される。
また、案内体１０１の案内面１００は平滑面に形成されることで、溶融材料が案内体１０１の案内面１００において過度の流動抵抗を受けることなくスムーズに流動する。この結果、溶融材料の射出の際、案内体１０１を介してモール本体２１に作用する材料圧力が過度に増大する不具合が防止される。
【００５１】
なお、前記実施の形態２においては、第１成形体としてのモール本体２１のゲート対向部分、すなわち、空洞部２３を有する覆い部２２の背面壁２６の所定部分に案内体１０１が一体状に形成される場合を例示したがこれに限定するものではない。
すなわち、図１３に示すように、傾斜状の案内面１００Ａを有する案内体１０１Ａをモール本体２１と別体に形成し、モール本体２１のゲート対向部分、すなわち、モール本体２１の覆い部２２の背面壁２６の所定位置に位置決め固定してセットしてもよい。
また、モール本体２１の覆い部２２の背面壁２６の所定位置に凹部を形成して案内体１０１Ａを位置決め固定してもよく、クリップ、ビス、接着剤等の固定手段を用いて位置決め固定してもよい。
このように、案内体１０１Ａをモール本体２１と別体に形成することで、案内体１０１Ａに要求される特性（例えば、第２成形体としてのクッション材３０、３３に対応する溶融材料に対し良好な滑り性、耐熱性、離型性などの特性）を備えた材料を適宜に選択して案内体１０１Ａを形成することができる。このため、第２成形体としてのクッション材３０、３３に対応する溶融材料に対し良好な滑り性、耐熱性、離型性などの特性を発揮させられる。
また、モール本体２１に対応する成形型の構造複雑化などの要因でモール本体２１に案内体１０１を一体に形成することが困難なとき、あるいは溶融材料によってクッション材３０、３３を形成した後にクリップなどの取付具を装着するのに支障をきたすなどのときに有効な方法である。後者の場合、案内体１０１Ａは、クッション材３０、３３を形成した後に除去される。
また、溶融材料を射出する際に、射出される溶融材料が有している熱がモール本体２１のゲート対向部分に直接作用することなく案内体１０１Ａにおいて吸収され、案内体１０１Ａを介して伝導される。このため、溶融材料が有している熱によってモール本体２１のゲート対向部分が過剰に加熱されて変形する不具合が防止される。
また、案内体を一体の形成すると、この部分が厚肉になって第１成形体としてのモール本体２１の対応外表面にヒケが発生する不具合が生じやすいが、別体の案内体１０１Ａを使用することで、このような不具合を防止できる。
【００５２】
なお、この発明は前記実施の形態１及び２に限定するものではない。
例えば、前記実施の形態１及び２においては、長尺な複合成形品が窓枠部の側部用の窓縁モール２０である場合を例示したが、窓縁モール２０の上端部にルーフモール７０（図５参照）の一部分（前部）あるいはルーフモール７０全体を一体に形成することも可能である。また、車両後部の窓板（リヤウインドウガラス）の外周縁と、窓枠部の周壁部との間の隙間に沿って取り付け可能に形成された窓縁モールである場合においても採用することが可能である。
また、車両の前部又は後部の窓枠部の上縁部の部分において、その窓板の外周縁と、窓枠部の周壁部との間の隙間に沿って取り付け可能に形成された窓縁モール（図５において上部の窓縁モール１６）である場合においても採用することが可能である。
また、この発明の長尺な複合成形品は、車両用の窓縁モール以外の部品、例えば、バンパ、プロテクタモール等の長尺な複合成形品に対しても採用することが可能である。
【００５３】
【発明の効果】
以上述べたように、請求項１の発明に係る長尺な複合成形品によれば、第１成形体の凸縁構成部の接合部に対し、第２成形体を安定よくかつ強固に接合することができ、第１成形体の凸縁構成部から第２成形体が不測に剥がれる不具合を防止することができる。
請求項２の発明に係る長尺な複合成形品によれば、請求項１の発明の効果に加えて、さらに、長尺な複合成形品を被取付体に対し安定よく取り付けることができるとともに、被取付体に対する複数の第２成形体を所望とする姿勢に保持することができる。
請求項３の発明に係る長尺な複合成形品によれば、請求項１又は２の発明の効果に加えて、第１成形体に対し複数の第２成形体をより一層強固に結合することができ、剥がれ防止に一層の効果を発揮する。
請求項４の発明に係る長尺な複合成形品によれば、請求項１〜３のいずれか一項の発明の効果に加えて、クッション材を車体パネルや窓板に接触させることで、隙間なく装着することができ、見栄えの向上を図ることができる。
しかも、モール本体の各凸縁構成部の接合部を含む拡張接合部の広い接合面積において、各第２成形体の根元部を強固に接合して一体化することができるため、耐久性にも優れる。
請求項５の発明に係る長尺な複合成形品によれば、請求項４の発明の効果に加えて、長尺な複合成形品によって車両用窓縁モールを構成すると共に、モール本体の覆い部の長手方向に沿う空洞部に相当する分だけ軽量化が図れる。
請求項６の発明に係る長尺な複合成形品によれば、請求項１〜５のいずれか一項の発明の効果に加えて、窓縁モールのモール本体を強固に形成してクッション材を所望とする姿勢に保持することが可能となるとともに、細長いクッション部が弾性変形して被取付体としての車体パネルや窓板に対し隙間なく接触するため、見栄えの悪化を防止することができる。
【００５４】
また、請求項７の発明に係る長尺な複合成形品の製造方法によれば、請求項１の発明に係る長尺な複合成形品を容易に製造することができる。
請求項８の発明に係る長尺な複合成形品の製造方法によれば、第１成形体の凸縁構成部の接合部を含む拡張接合部に接合された根元部と、その根元部から張り出された細長いクッション部と、を一体に有する第２成形体を成形不良なく良好に形成することができる。
請求項９の発明に係る長尺な複合成形品の製造方法によれば、請求項８の発明の発明の効果に加えて、第１成形体の長手方向の少なくとも一方の端末部に端末覆い部を有する長尺な複合成形品を容易に製造することができる。
請求項１０の発明に係る長尺な複合成形品の製造方法によれば、請求項８又は９の発明の効果に加えて、成形キャビティの複数箇所に溶融樹脂を射出することで、第２成形体を充填不良なく良好に形成することができる。
【００５５】
請求項１１の発明に係る長尺な複合成形品の製造方法によれば、請求項７〜１０のいずれか一項の発明の効果に加えて、所望とする第２成形体を良好に形成することができるとともに、第１成形体として軽金属成形品を用いた場合、第１成形体を薄肉化することができ、さらに、金属光沢を表面の一部（例えば、意匠面）に有する長尺な複合成形品が得られる。
請求項１２の発明に係る長尺な複合成形品の製造方法によれば、請求項７〜１１のいずれか一項の発明の効果に加えて、溶融材料による第２成形体の射出成形時に第１成形体が部分的に変形したりすることを防止することができる。
請求項１３の発明に係る長尺な複合成形品の製造方法によれば、請求項１２の発明の効果に加えて、第１成形体の中空部のゲート対向部分側の壁部と反対側の壁部の表面、例えば意匠面にひけなどの歪みが発生することが防止され、ひけなどの歪みによる見栄えの悪化を防止することができる。
請求項１４の発明に係る長尺な複合成形品の製造方法によれば、請求項１２又は１３の発明の効果に加えて、第１成形体のゲート対向部分やその近傍が局部的に変形することを防止することができる。
請求項１５の発明に係る長尺な複合成形品の製造方法によれば、請求項１２又は１３の発明の効果に加えて、第１成形体とは別個に溶融材料に対し良好な滑り性、耐熱性、離型性などの特性を考慮して好適な案内体を選択することができる。
請求項１６の発明に係る長尺な複合成形品の製造方法によれば、請求項１２〜１５のいずれか一項の発明の効果に加えて、案内体の傾斜状の案内面に作用する単位面積当たりの圧力を軽減して、案内体自体の損傷や第１成形体の変形、破壊等を良好に防止することができる。
請求項１７の発明に係る長尺な複合成形品の製造方法によれば、請求項１２〜１６のいずれか一項の発明の効果に加えて、溶融材料の射出の際に、案内体を介して第１成形体に作用する溶融材料の流動圧力が過度に増大する不具合を防止でき、第１成形体の変形防止に効果が大きい。
【００５６】
請求項１８の発明に係る長尺な複合成形品の製造装置によれば、請求項７〜１７の発明に係る製造方法を容易に実施可能となる。
【図面の簡単な説明】
【図１】この発明の実施の形態１に係る車両用の窓縁モールを示す図４のＩ−Ｉ線に基づく横断面図である。
【図２】同じく車両用の窓縁モールを示す図４のＩＩ−ＩＩ線に基づく横断面図である。
【図３】同じく車両用の窓縁モールを示す図４のＩＩＩ−ＩＩＩ線に基づく横断面図である。
【図４】同じく車両用の窓縁モールを示す背面図である。
【図５】同じく車両用の窓縁モールの装着状態を車両の前方から示す斜視図である。
【図６】同じく窓縁モール用製造装置としての射出成形型装置のコア型を外したキャビティ型を示す平面図である。
【図７】同じく図６のＶＩＩ−ＶＩＩ線に基づく断面図である。
【図８】同じく図７において成形キャビティに溶融材料が射出充填された状態を示す断面図である。
【図９】同じく図６のＩＸ−ＩＸ線に基づく断面図である。
【図１０】同じく図９において成形キャビティに溶融材料が射出充填された状態を示す断面図である。
【図１１】この発明の実施の形態２に係る成形キャビティに溶融材料が射出充填された状態を示す断面図である。
【図１２】同じく第１成形体のゲート対向部分、案内体及び射出ゲートの関係を示す説明図である。
【図１３】同じく第１成形体とは別体に形成された案内体を示す斜視図である。
【符号の説明】
２フロントピラーパネル
５窓枠部
７周壁部
８窓板
２０窓縁モール（長尺な複合成形品）
２１モール本体（第１成形体）
２８せき構成部（凸縁構成部）
２８Ａせき部（凸縁部）
２９凸縁構成部
２９Ａ凸縁部
３０、３３クッション材（第２成形体）
３１、３５根元部
３２、３６クッション部
３７連結部
３８端末覆い部
４０取付部（隔壁）
５０第１取付具
６０第２取付具
７１成形型（一方の成形型）
７１Ａコア型
７２キャビティ型（他方の成形型）
７５、７６、７７射出ゲート
７８、７９スライド型
８１端末成形キャビティ
８２、８５成形キャビティ
８３、８６根元部キャビティ
８４、８７クッション部キャビティ
８８連通路
１００案内面
１０１案内体
２８１、２９１接合部
２８２、２９２拡張接合部 [0001]
BACKGROUND OF THE INVENTION
  The present invention includes a long first molded body and a second molded body that is joined to a joint portion at the tip of a convex edge constituting portion of the first molded body and extends in the longitudinal direction thereof. The present invention relates to a long composite molded product, a manufacturing method thereof and a manufacturing apparatus.
[0002]
[Prior art]
  Conventional properties (mechanical properties such as strength, hardness, elasticity, etc., chemical properties such as chemical resistance, corrosion resistance, heat resistance, etc., or electrical properties such as electrical resistance, conductivity, color, gloss, etc. It is known that a long composite molded article is formed by combining molded bodies respectively formed of resins having different design characteristics.
  This type of long composite molded product is widely used as various products and parts because it can suitably exhibit the characteristics of the resin constituting each molded body.
  For example, it is called molding, garnish, trim, etc. for long composite molded products that mainly improve decorativeness by being attached along the edge of the vehicle body or the peripheral edge of the window plate. There are parts. In addition, there are parts called sealing materials, weather strips, gaskets and the like in long composite molded products mainly for improving the sealing performance.
  Also, for example, the second molded body elongated in the longitudinal direction formed of the soft synthetic resin is bonded to the joint at the tip of the convex edge portion of the first molded body formed in a predetermined shape by the hard synthetic resin with an adhesive. In this way, a long composite molded product is known.
[0003]
[Problems to be solved by the invention]
  By the way, in the long composite molded article, the operation of bonding the second molded body elongated in the longitudinal direction with an adhesive along the joint portion at the tip of the convex edge portion of the first molded body is particularly the convex edge portion. Shape changes two-dimensionally or three-dimensionallyWhenThis is cumbersome and requires a lot of labor and time for the bonding work, resulting in high costs. Moreover, the 2nd molded object may deform | transform in a three-dimensional direction by the adhesion defect etc. with respect to the junction part of a 1st molded object, or the malfunction which peels may arise.
  In order to eliminate the trouble of adhering the second molded body elongated in the longitudinal direction with an adhesive to the joint portion of the first molded body, in the state where the first molded body is set in the molding die, It can be considered that a second molded body elongated in the longitudinal direction is formed by injection molding at the joint at the tip of the convex edge.
  However, when the second molded body that is elongated in the longitudinal direction of the joint portion at the tip of the convex edge portion of the first molded body is formed, the second molded body is formed without defective molding with respect to the joint portion at the tip of the convex edge portion. In some cases, it may be difficult to achieve stable bonding.
[0004]
  In view of the above problems, an object of the present invention is a long composite molding capable of preventing the second molded body from being peeled off by stably and firmly joining the second molded body to the first molded body. It is providing a product, its manufacturing method, and a manufacturing apparatus.
[0005]
[Means for Solving the Problems]
  In order to achieve the object, a long composite molded article according to the invention of claim 1 is:It has an outer surface and a back surface, and has a mounting portion for mounting to the mounted body on the back side and a part of the outer periphery of the cross sectionHas a convex edge component extending in the longitudinal directionThe second is formed in a long shape1 molded body,SaidBonded to the joint of the convex edge component of one molded bodyAs long asHand directionExtending along2nd molded bodyAndPreparationThe length by which the convex edge part is formed by the convex edge structure part of the said 1st molded object, and the said 2nd molded objectA complex composite product,
  Convex edge component of the first molded bodyIn the vicinity including the joint portion,Smaller than the outer dimensions of the convex edge of the composite molded productExpandedTension jointFormed along the longitudinal direction,
  The second molded body is formed by injection molding at an extended joint portion that is made of a material different from that of the first molded body and includes the joint portion of the convex edge constituent portion.The expansion jointJoinedRootThe original part,The direction in contact with the mounted bodyRootZhang togetherRThinLong cushion partAnd a part of the outer surface of the first molded body is exposed.
It is characterized by that.
  Therefore,The length according to the invention of claim 1According to the long composite molded product, the base portion of the second molded body can be firmly joined and integrated in a wide joint area of the extended joint portion including the joint portion of the convex edge constituting portion of the first molded body. Therefore, it is possible to satisfactorily prevent a problem that the second molded body is unexpectedly peeled off from the convex edge constituent portion of the first molded body.
[0006]
  Further, the long composite molded article according to the invention of claim 2 isClaim 1It is a long composite molded article as described,
The mounting part for mounting to the mounted body is integrated with the back side of the first molded body.It is characterized in that it is projected.
  Therefore,According to the invention of claim 2According to the long composite molded product,By attaching the mounting portion integrally on the back side of the first molded body,A long composite molded product (for example, window edge molding) can be stably attached to a body to be mounted (for example, a vehicle body panel or window plate), and a second molded body (for example, a cushion material) for the body to be mounted. Can be held in a desired posture.
[0007]
  The long composite molded product according to the invention of claim 3 is:Claim 1 or 2It is a long composite molded article as described,
  First molded bodyLess in the longitudinal directionAt least one terminal is covered by the terminal cover,
  The terminal coverThe second2 Made of the same material as the molded bodyThe first2 molded bodyLongitudinal end and continuousIt is characterized by being integrally formed.
  Therefore,According to the invention of claim 3According to this long composite molded product, the terminal cover provided so as to cover at least one terminal part of the first molded body.Part and numberBy connecting the two molded bodies together, the first molded bodyOn the second2 The molded body can be bonded more firmly, and a further effect is exhibited in preventing peeling.
[0008]
  The long composite molded product according to the invention of claim 4 is:Claims 1 to 3It is a long composite molded article according to any one of the following:
  The long composite molded product constitutes a vehicle window edge molding that is mounted along the gap between the peripheral wall portion of the window frame portion of the vehicle body panel and the window plate,
  The first molded body constitutes a molding body of the vehicle window edge molding,
The second molded body isA cushion material is formed which is joined to the convex edge constituting portion on one side of the molding body and contacts the vehicle body panel.And / or saidIt is characterized by comprising the cushion material joined to the convex edge structure part of the other side of a molding body, and contacting the said window board.
  Therefore,According to the invention of claim 4According to the long composite molded product, the window composite molding for the vehicle is constituted by the long composite molded product, and the window peripheral molding is formed along the gap between the peripheral wall portion of the window frame portion of the vehicle body panel and the window plate. In the mounted state, the cushion member as the second molded body joined to the convex edge constituting part on one side of the molding body as the first molded body is the vehicle body panel.And / orIt can be brought into contact with the window plate. In this way, the cushioning materialAnd / orBy making each contact with a window board, it can mount | wear with no gap and can aim at the improvement of appearance.
  Moreover, the mall bodyConvexityIn the wide joint area of the extended joint including the joint of the edge componentThe second2 Since the base part of the molded body can be firmly joined and integrated, it is excellent in durability.
[0009]
  The long composite molded product according to the invention of claim 5 is:The long composite molded product according to claim 4,
The molding body includes a long covering portion that covers at least a part of the gap between the peripheral wall portion of the window frame portion of the vehicle body panel and the window plate and has a predetermined width,
The said cover part has a cavity part between the back walls along the longitudinal direction.
Therefore, according to the long composite molded product according to the invention of claim 5, the long composite molded product constitutes the vehicle window edge molding and corresponds to the cavity along the longitudinal direction of the covering portion of the molding main body. The weight can be reduced by as much.
[0010]
  The long composite molded product according to the invention of claim 6 is the long composite molded product according to any one of claims 1 to 5,
  The first molded body is formed of a hard material having rigidity,
  The second molded body is formed of a soft material that is softer and more elastic than the first molded body, and is formed so as to be elastically deformable in an elongated cushion portion that protrudes from a root portion thereof.
  Therefore,According to the long composite molded product according to the invention of claim 6,For example, when a vehicle window edge molding is constituted by a long composite molded product, the molding body of the window edge molding can be firmly formed to hold the cushion material in a desired posture. On the other hand, it becomes possible to give the desired flexible elasticity to the elongated cushion part of the cushion material, and the elongated cushion part is elastically deformed to contact the vehicle body panel or window plate as a mounted body without a gap. Therefore, the appearance can be prevented from deteriorating.
[0011]
  Further, in the long composite molded article according to any one of claims 1 to 6, the first molded body is preferably a molded body formed of a hard synthetic resin material, but is die-cast molded from a light alloy such as aluminum, zinc or magnesium. Alternatively, a thixo-molded molded body can be preferably used. As the second molded body, a soft and elastic thermoplastic elastomer exhibiting rubber-like elasticity (for example, TPE) can be preferably used.
[0012]
  A method for producing a long composite molded article according to the invention of claim 7 is:It has an outer surface and a back surface, and has a mounting portion for mounting to the mounted body on the back side and a part of the outer periphery of the cross sectionHas a convex edge component extending in the longitudinal directionThe second is formed in a long shape1 molded body,SaidBonded to the joint of the convex edge component of one molded bodyAs long asHand directionExtending along2nd molded bodyAndPreparationThe length by which the convex edge part is formed by the convex edge structure part of the said 1st molded object, and the said 2nd molded objectA method of manufacturing a long composite molded article,
  Smaller than the outer dimension of the convex edge of the long composite molded productContactPreparing a first molded body having a convex edge constituent part provided with an extended joint part in the vicinity including the joint part;
  Second moldingShoot to shape the bodySet the first molded body in the moldThen typeIn the closed state, a root portion of the second molded body is formed between the mold portion in the injection mold and the first molded body at an extended joint portion including the joint portion of the convex edge constituent portion. Root cavityAnd thinCushion cavity forming a long cushionAndConstructing a molding cavity with a continuous shape along the longitudinal direction,
  After that, the molten material is injected into the molding cavity, and the molten material is filled into the root cavity and the cushion cavity of the molding cavity.And beforeThe root part joined to the extended joint part including the joint part of the convex edge constituent part of the first molded body, and the root partFrom the bottomRThinLong cushion partAndA second molded body having an integral bodyMoldingIt is characterized by doing.
  Therefore,According to the invention of claim 7According to the method for producing a long composite molded product, the long composite molded product according to claim 1 can be easily produced.
[0013]
  The method for producing a long composite molded product according to the invention of claim 8 is the method for producing a long composite molded product according to claim 7,
  The molten material is respectively injected from a plurality of injection gates arranged at predetermined intervals in the longitudinal direction of the molding cavity, and the molten material is filled in the root cavity and the cushion cavity of the molding cavity. .
  Therefore,According to the invention of claim 8According to the manufacturing method of a long composite molded product, the molten material can be injected almost simultaneously from the plurality of injection gates into the molding cavity, and can be filled without generating an unfilled portion. For this reason, the 2nd molded object which has integrally the base part joined to the expansion joint part including the joined part of the convex edge composition part of the 1st compact, and the elongate cushion part projected from the base part It can be formed satisfactorily without molding defects.
[0014]
  Claim 9The method for producing a long composite molded article according to the invention ofClaim 8A method for producing a long composite molded article according to claim 1,
In the injection mold, a terminal molding cavity for forming a terminal cover portion is formed continuously with the molding cavity at at least one terminal portion in the longitudinal direction of the first molded body, and the molding cavity and the terminal molding cavity are formed. Injecting molten resinIt is characterized by that.
  Therefore,According to the method for manufacturing a long composite molded product according to the invention of claim 9, it is possible to easily manufacture a long composite molded product having a terminal cover portion on at least one terminal portion in the longitudinal direction of the first molded body. Can do.
[0015]
  Claim 10The method for producing a long composite molded article according to the invention ofClaim 8 or 9A method for producing a long composite molded article according to claim 1,
Injection of molten resin to multiple locations in the molding cavityIt is characterized by that.
  Therefore,According to the method for manufacturing a long composite molded article according to the invention of claim 10, the second molded body can be satisfactorily formed without filling defects by injecting the molten resin into a plurality of locations of the molding cavity.
[0016]
  Claim 11The method for producing a long composite molded article according to the invention ofClaims 7-10A method for producing a long composite molded article according to any one of
  A synthetic resin molded product or a light metal molded product is used as the first molded body.
  Therefore,According to the invention of claim 11According to the method for producing a long composite molded product, when a synthetic resin molded product is used as the first molded product, there is little temperature drop when the molten material comes into contact with the first molded product, and melting with respect to the long molded cavity is performed. The flow of the material can be kept smooth, and the desired second molded body can be formed satisfactorily.
  Further, when a light metal molded product is used as the first molded product, the first molded product can be thinned, and a long composite molded product having a metallic luster on a part of the surface (for example, a design surface). Is obtained.
[0017]
  Claim 12The method for producing a long composite molded article according to the invention ofClaims 7-11A method for producing a long composite molded article according to any one of
  A guide body having a guide surface that is inclined in a direction that intersects the injection direction of the molten material at a non-perpendicular direction is provided at the gate facing portion of the first molded body that faces the injection gate that injects the molten material into the molding cavity, The molten material injected from the injection gate flows along the guide surface and fills the molding cavity.RukoIt is characterized by.
  Therefore,According to the method for producing a long composite molded product according to the invention of claim 12,When the molten material is injected from the injection gate and filled into the molding cavity, the molten material flows along the inclined guide surface of the guide body and fills the molding cavity. In other words, since the flow direction of the molten material injected from the injection gate intersects the obtuse angle without being orthogonal to the first molded body, the flow pressure of the molten material against the first molded body is reduced. As a result, the first molded body was partially deformed during the injection molding of the second molded body with the molten material.RisuIs prevented.
[0018]
  Claim 13The method for producing a long composite molded article according to the invention ofClaim 12A method for producing a long composite molded article according to claim 1,
  The first molded body has a hollow portion,InsideA predetermined position of the wall portion forming the empty portion is a gate facing portion,SaidA guide body is provided at a portion facing the gate.
  Therefore,According to the method for producing a long composite molded product according to the invention of claim 13,Since the first molded body is provided with the guide body at the gate facing portion, distortion such as sink marks occurs on the surface of the wall portion on the opposite side to the gate facing portion side of the hollow portion, for example, the design surface. Is prevented.
[0019]
  Claim 14The method for producing a long composite molded article according to the invention ofClaim 12 or 13A method for producing a long composite molded article according to claim 1,
  The guide body is formed integrally with the gate facing portion of the first molded body.
  Therefore,According to the method for producing a long composite molded product according to the invention of claim 14,Since the guide body is formed integrally with the gate facing portion of the first molded body, the thickness of the portion is increased by an amount corresponding to the guide body, and the strength is increased. The gate facing portion and its vicinity are prevented from being locally deformed.
[0020]
  Claim 15The method for producing a long composite molded article according to the invention ofClaim 12 or 13A method for producing a long composite molded article according to claim 1,
  The guide body is formed separately from the first molded body, and the molten material is injected and filled into the molding cavity in a state where the guide body is set in the gate facing portion of the first molded body.
  Therefore,According to the method for producing a long composite molded product according to the invention of claim 15,Since the guide body can be formed by selecting a material having the characteristics required for the guide body, for example, good slipperiness, heat resistance, release property, etc. with respect to the molten material corresponding to the second molded body The characteristics of can be demonstrated.
  Also, when it is difficult to form the guide body integrally with the first molded body due to factors such as the complicated structure of the mold corresponding to the first molded body, or after the second molded body is formed with a molten material, the clip This is an effective method when it interferes with the mounting of the fixture. In the latter case, the guide body is removed after the second molded body is formed.
  Further, when the molten material is injected, the heat of the injected molten material is absorbed by the guide body without directly acting on the gate facing portion of the first molded body, and is conducted through the guide body. . For this reason, the malfunction which the gate opposing part of a 1st molded object overheats with the heat | fever which a molten material has, and deform | transforms is prevented.
[0021]
  Claim 16The method for producing a long composite molded article according to the invention ofClaims 13-15A method for producing a long composite molded article according to any one of
  The width of the guide body in the longitudinal direction of the first molded body is lower than the opening width of the injection gate.RotateIt is characterized by being set to a large size.
  Therefore,According to the method for producing a long composite molded product according to the invention of claim 16,Injection of molten material injected from the opening of the injection gateDraft pressureIt can be received in a substantially wide area of the inclined guide surface of the inner body. As a result, the pressure per unit area acting on the inclined guide surface of the guide body is reduced. For this reason, damage to the guide body can be prevented, and as a result, the effect of preventing deformation, destruction, etc. of the first molded body is great.
  In addition, when the molten material is injected, the molten material (liquid) is prevented from leaking in the longitudinal direction beyond the guide surface of the guide body, and the molten material (liquid) flows along the guide surface of the guide body. Then, the molding cavity is filled.
[0022]
  Claim 17The method for producing a long composite molded article according to the invention ofClaims 13 to 16A method for producing a long composite molded article according to any one of
  The guide surface of the guide body is formed as a smooth surface.
  Therefore,According to the method for producing a long composite molded product according to the invention of claim 17,By forming the guide surface of the guide body to be a smooth surface, the molten material smoothly flows without receiving excessive flow resistance on the guide surface of the guide body. As a result, when the molten material is injected, a problem that the material pressure acting on the first molded body through the guide body excessively increases is prevented.
[0023]
  Claim 18The apparatus for manufacturing a long composite molded product according to the invention ofIt has an outer surface and a back surface, and has a mounting portion for mounting to the mounted body on the back side and a part of the outer periphery of the cross sectionHas a convex edge component extending in the longitudinal directionThe second is formed in a long shape1 molded body,SaidBonded to the joint of the convex edge component of one molded bodyAs long asHand directionExtending along2nd molded bodyAndPreparationThe length by which the convex edge part is formed by the convex edge structure part of the said 1st molded object, and the said 2nd molded objectAn apparatus for producing a long composite molded article,
  Provided with a pair of molds that perform mold closing and mold opening operations,
  Between the pair of molding dies, a convex edge configuration part in which an extended joint part is provided in the vicinity including the joint part by being formed smaller than the outer dimension of the convex edge part of the long composite molded product In the state where the first molded body having the shape is set and the pair of molding dies are closed, the base portion of the second molded body is formed at the extended joint portion including the joint portion of the convex edge constituting portion. A root part cavity is formed, and a cushion part cavity forming an elongated cushion part that forms a main part of the second molded body is formed in communication with the root part cavity,
  A molding cavity corresponding to a second molded body integrally having the root part and the elongated cushion part is constituted by the root part cavity and the cushion part cavity,
  At least one of the pair of molds is provided with an injection gate for injecting and filling molten material into the molding cavity.
  Therefore,According to the invention of claim 18The method for producing a long composite molded product according to claim 7 can be easily carried out using an apparatus for producing a long composite molded product.
[0024]
DETAILED DESCRIPTION OF THE INVENTION
    (Embodiment 1)
  Embodiment 1 of the present invention will be described with reference to FIGS.
  In this Embodiment 1, the case where a long compound molded product is the window edge molding 20 for vehicles is illustrated.
  In FIG. 5 showing a perspective view of a part of the vehicle as viewed from the front, the front pillar panel 2 and the roof panel 3 as vehicle body panels have windows corresponding to window plates 8 (also called front window glass). A frame portion 5 is formed.
  As shown in FIGS. 1 to 3, the window frame portion 5 includes a peripheral wall portion 7, and a flange portion 6 that protrudes inward from the peripheral wall portion 7 and forms the window opening 4. Yes. In the left and right side portions of the window frame portion 5, the peripheral wall portion 7 is formed in an inclined shape having a height lower than the flange portion 6 and gradually lowering toward the upper portion.
  A dam rubber 9 made of an elastic body is bonded to the window plate 8 that is mounted on the window frame portion 5 and closes the window opening 4 along the peripheral edge of the back surface thereof. Then, the window plate 8 is fitted into the window frame portion 5, and the dam rubber 9 is pressed against the outer surface of the flange portion 6 so as to be elastically deformed appropriately. It is fixed to the frame part 5.
[0025]
  A vehicular window edge molding 20 as a long composite molded product includes a molding body 21 as a first molding, and cushion materials 30 and 33 as second moldings made of a material different from the molding body 21. Are integrally formed. The window edge molding 20 includes the outer peripheral edge of the window plate 8 and the peripheral wall portion 7 of the window frame portion 5 in the portion of the window frame portion 5 on the left and right side portions of the upper and lower portions and the left and right side portions of the window frame portion 5. It is formed so that attachment is possible along the clearance gap S between.
[0026]
  As shown in FIGS. 1 to 4, the molding body 21 as a first molded body includes a long covering portion 22 that covers substantially the entire gap S and has a predetermined width, and a back surface of the covering portion 22. And a mounting portion 40 which is continuous in the longitudinal direction of the side and protrudes in a substantially plate shape. The molding body 21 is integrally formed by injection molding, gas injection molding, or the like using a hard synthetic resin as a material, or by light alloy die casting or thixo molding. Examples of the hard synthetic resin for forming the molding body 21 include ABS resin, PP resin, AES resin, PPO resin, PC resin, PA resin, or alloy resin thereof. In addition, the resin material is not particularly limited when weatherproof coating or surface treatment is performed on the surface of the molding body 21, particularly the exterior design portion of the cover portion 22, but when the surface treatment is not performed, the molding body 21. Is preferably formed of AES resin, PP resin or the like having excellent weather resistance.
  On the other hand, when the molding body 21 is a light alloy molded product, a die-cast molded product such as an aluminum alloy, a zinc alloy, or a magnesium alloy or a thixo molded product of a magnesium alloy can be used, and a molded product of a hard synthetic resin is used. Thinning can be achieved compared to.
  Moreover, in this Embodiment 1, what uses hard synthetic resin is illustrated and the cover part 22 of the molding main body 21 is between the back wall 26 integrally formed along the longitudinal direction. It has a cavity 23 and is formed in a hollow shape by gas injection molding.
[0027]
  Now, in the outer peripheral portion of the cross section of the molding body 21 as the first molded body, a convex edge having joint portions for integrally joining the cushion materials 30 and 33 as the second molded body at a plurality of locations separated from each other. A component is formed.
  In this Embodiment 1, the convex edge structure part which has a junction part in two right and left places on the paper surface in FIG. 1 is provided. Among these convex edge constituent parts, one convex edge constituent part is formed by a cough constituent part 28 that protrudes from one end in the width direction of the back wall 26 of the cover part 22 of the molding body 21 toward the outer surface of the window plate 8. It is configured. The other convex edge constituent part is constituted by a convex edge constituent part 29 protruding from the window frame side of the exterior design part of the cover part 22. And each of the cough component 28 and the convex edge component 29 has theseJoin (tip) 281 and 291By including the vicinity including the outer dimensions of the crest portion 28A and the convex edge portion 29A of the window edge molding 20 as the final product,Expansion joints 282 and 292Each is formed.
[0028]
  As shown in FIGS. 1-3, the junction part of the cough component 28281Expansion joint including282The cushion material 30 as the second molded body to be joined to the molding body 21 is made of a material different from the molding body 21, for example, a soft synthetic resin (for example, a thermoplastic elastomer such as a TPE resin) that is more flexible and elastic than the molding body 21. It is formed by injection molding. This cushion material 30 is a joint portion of the cough component 28 at the same time as the injection molding of the cushion material 30.281Expansion joint including282And a base portion 31 having a substantially U-shaped cross section joined integrally with each other, and an elongated cushion portion 32 projecting from the base portion 31 to the outer surface of the window plate 8 so as to come into contact with each other. Have.
  In other words, the cough portion 28A of the window edge molding 20 as the final product is connected to the cough component 28 of the molding main body 21.281Expansion joint including282The cushion member 30 is formed at the base portion 31 of the cushion member 30 and is extended from the base portion 31 to form an elongated cushion portion 32.
[0029]
  Moreover, the joint part of the convex edge constituting part 29 of the molding body 21291Expansion joint including292The cushion material 33 as a second molded body to be joined to the cushion material 30 is formed by injection molding of a soft synthetic resin of the same material as the cushion material 30. The cushion material 33 is formed at the same time as the injection molding of the cushion material 33 and at the same time the joint portion of the convex edge constituting portion 29.291Expansion joint including292A base portion 35 having a substantially U-shaped cross-section joined integrally with each other, and an outer surface of the front pillar panel 2 extending from the root portion 35 and continuing to the top portion of the peripheral wall portion 7 of the window frame portion 5 or the top portion thereof. And an elongated cushion portion 36 that is elastically deformed and protrudes so as to come into contact therewith. In other words, the convex edge portion 29A of the window edge molding 20 as the final product is constituted by the convex edge constituting portion 29 of the molding body 21 and the root portion 35 of the cushion material 33, and is projected from the root portion 35 to be an elongated cushion. A portion 36 is formed.
[0030]
  As shown in FIGS. 3 and 4, the back wall 26 of the cover portion 22 of the molding body 21 has a plurality in the width direction across the back wall 26 of the molding body 21 at predetermined intervals along the longitudinal direction. The connecting portion 37 is integrally joined. The connecting portions 37 are formed of the same material as the cushion materials 30 and 33 and are formed simultaneously with the injection molding of the cushion materials 30 and 33. And each connection part 37 each penetrates the penetration part 46 (through-hole) of the attachment part 40 (equivalent to the attachment part or partition wall of this invention), and the both ends are each root part of both the cushion materials 30 and 33 31 and 35 are integrated. Thereby, both the cushion materials 30 and 33 are integrally connected.
  Moreover, in this Embodiment 1, as shown in FIG. 4, the terminal cover part 38 is integrally formed in the terminal part 21a of the lower part of the mall main body 21 so that the terminal part 21a may be covered. The terminal cover portion 38 is formed by injection molding of a soft synthetic resin made of the same material as the cushion materials 30 and 33, and is integrally formed by connecting the end portions of both the cushion materials 30 and 33. In the cushion material 30, a clear boundary is not necessarily required between the cushion portion 32 and the root portion 31, and the cough component portion 28 made of hard synthetic resin is prevented from coming into direct contact with the window plate 8. The part to be performed is the cushion part 32, the other part is the root part 31, and the same applies to the cushion material 33.
[0031]
  Moreover, in this Embodiment 1, as shown in FIGS. 1-4, on the back wall 26 of the cover part 22 of the molding main body 21, in order to attach the window edge molding 20 to a vehicle body panel, both cushion materials30, 33A mounting portion 40 (corresponding to a mounting portion or a partition wall according to the present invention) located between and having a substantially plate shape is integrally projected. A through portion 46 filled with a part of the soft synthetic resin for forming the connecting portion 37 is formed at a predetermined position of the mounting portion 40.
  As shown in FIGS. 1, 2, and 4, the attachment portion 40 has a plurality of first attachment portions 41 and second attachment portions 43 alternately in the longitudinal direction, and the first attachment portion 41 and the first attachment portion 43. 2 It has the continuous part 45 which connects the attachment part 43 integrally and continuously, and is formed in the meandering shape in the longitudinal direction.
  First attachment portions 41 are provided at a total of three locations in the vicinity of both ends in the longitudinal direction of the attachment portion 40 and an intermediate portion, and second attachment portions 43 are provided at two intermediate portions of each first attachment portion 41. When the window edge molding 20 is attached along the gap S between the outer peripheral edge of the window plate 8 and the peripheral wall portion 7 of the window frame portion 5, the second attachment is more than the first attachment portion 41. The portion 43 is configured to be disposed at a position close to the outer peripheral edge of the window plate 8.
[0032]
  As shown in FIG. 1 and FIG. 4, the plurality of first attachment portions 41 of the attachment portion 40 are square hole shapes that can be engaged with the first attachment 50 that is locked to the peripheral wall portion 7 of the window frame portion 5. The engaging portions 42 are respectively formed.
  Further, as shown in FIGS. 2 and 4, the plurality of second mounting portions 43 of the mounting portion 40 have a square hole shape that can be engaged with a second mounting tool 60 that is locked to the outer peripheral edge of the window plate 8. The engaging portions 44 are respectively formed.
  In addition, the 1st fixture 50 consists of spring steel plates etc., for example, has the insertion groove into which the 1st attachment part 41 is inserted, and is formed in cross-sectional substantially U shape. Of the side plate portions of the first fixture 50, one side plate portion located on the window plate 8 side is engaged with the square hole-like engagement portion 42 of the first attachment portion 41 to prevent the first fixture 50 from coming off. The locking claw 56 is cut and raised. Further, the first fixture 50 is bonded and fixed to the peripheral wall portion 7 of the window frame portion 5 in advance by a double-sided adhesive tape or the like at the side plate portion on the window frame portion side.
  Moreover, the 2nd attachment tool 60 has the insertion groove into which the 2nd attachment part 43 is inserted, and the 2nd attachment tool 60 is formed from the synthetic resin etc. which are substantially U-shaped in cross section, and are rich in elasticity. Of the two side plate portions of the second fixture 60, one side plate portion located on the window plate 8 side is engaged with the square hole-like engagement portion 44 of the second attachment portion 43 to prevent the second fixture 60 from coming off. A locking claw 66 is formed. The second fixture 60 has a pair of arms that are elastically deformable from both end portions of the side wall portion on the window plate 8 side toward the peripheral edge portion of the window plate 8 and extend in a substantially square shape. (A portion indicated by a two-dot chain line in the engaging portion 44 in FIG. 4). A window plate side locking portion 68 that engages with the back and peripheral end surfaces of the peripheral edge of the window plate 8 to prevent it from coming off is formed at the distal ends of the pair of arm portions.
[0033]
  The window edge molding 20 according to the first embodiment is configured as described above.
  Therefore, when attaching the window edge molding 20 along the gap S between the outer peripheral edge of the window plate 8 attached to the window frame part 5 of the vehicle body panel and the peripheral wall part 7 of the window frame part 5, the window edge in advance The first mounting part 41 and the second mounting part 43 of the molding 20 are attached by attaching the first mounting tool 50 and the second mounting tool 60, respectively, and pressing the window edge molding 20 toward the gap S.
  In addition, as shown in FIG. 1, the 1st fixture 50 is adhere | attached and fixed to the surrounding wall part 7 of the window frame part 5 beforehand with the side-plate part by the side of a window frame part via a double-sided adhesive tape. By the pressing, the engaging portion 42 of the first mounting portion 41 is fixed by being locked to the locking claw 56 of the first mounting tool 50.
  On the other hand, as shown in FIG. 2, the window plate side locking portions 68 of the pair of arm portions of the second fixture 60 are elastically engaged with the back side edge portion of the outer peripheral edge of the window plate 8. Accordingly, the window edge molding 20 is attached along the gap S.
[0034]
  In the state where the window edge molding 20 is attached as described above, the joint portion of the cough component 28 of the molding body 21281Expansion joint including282On the other hand, in the cushion material 30 to which the root portion 31 is joined, the elongated cushion portion 32 comes into contact with the outer surface of the window plate 8 and is elastically deformed so as to contact (contact closely) without a gap.
  Moreover, the joint part of the convex edge constituting part 29 of the molding body 21291Expansion joint including292On the other hand, the cushion material 33 joined at the root portion 35 has a long and narrow cushion portion 36 as a body to be mounted, that is, the top portion of the peripheral wall portion 7 of the window frame portion 5 or the front pillar panel 2 continuous to the top portion. Elastically deforms in contact with the outer surface of the metal and contacts (closely) without a gap.
[0035]
  The molding body 21 is formed with a required strength by a rigid synthetic resin having rigidity, while the cushion materials 30 and 33 are formed of a soft synthetic resin that is softer and more elastic than the molding body 21, and the cushion material 30, Desired cushioning properties can be imparted to the 33 cushion portions 32 and 36. For this reason, when the window edge molding 20 is mounted, the coating film of the front pillar panel 2 as the vehicle body panel and the window plate 8 are prevented from being damaged. It is possible to prevent the occurrence of a gap in the case. Furthermore, it is possible to prevent the occurrence of an unexpected gap between the vehicle body panel and the window plate 8 and to prevent the appearance from being deteriorated due to the gap.
  Further, even if there are variations due to the production and assembly of the vehicle body panel and the window plate 8 and variations in the manufacture of the window edge molding 20 itself, these variations are eliminated by the cushion portions 32 of both the cushion materials 30 and 33 of the window edge molding 20. 36 can be absorbed by elastic deformation. In other words, the cushion portions 32 and 36 of the cushion materials 30 and 33 are elastically deformed and come into contact (close contact) with the vehicle body panel and the window plate 8 without a gap, thereby preventing deterioration in appearance.
[0036]
  When the vehicle travels, rainwater that flows toward the left and right sides of the outer surface of the window plate 8 is blocked by the damming portion 28A and then flows down by being guided by the damming portion 28A or the upper roof panel 3. It flows toward. For this reason, the rainwater is prevented from flowing over (crossing) the window edge molding 20 toward the side window plate (side glass) of the vehicle, and the problem of deteriorating the side view does not occur.
[0037]
  In particular, each joint portion of the cough component 28 and the convex edge component 29281,291Expansion joint including282, 292The cushion members 30 and 33 to be joined to the joint parts of the cough constituent part 28 and the convex edge constituent part 29 simultaneously with the injection molding281,291Expansion joint including282, 292The base portions 31 and 35 having a substantially U-shaped cross section joined integrally to each other, and the elastically deformable elongated cushion portions 32 and 36 projecting from the root portions 31 and 35 are integrally provided. ing.
  Therefore, both the cushion materials 30 and 33 have their root portions 31 and 35 joined to the cough component portion 28.Expansion joint 282 including 281Or the junction part of the convex edge structure part 29291Expansion joint including292Are joined together firmly with a wide joining area. For this reason, the malfunction which the cushion materials 30 and 33 peel from the cough component part 28 or the convex edge component part 29 unexpectedly can be prevented favorably. Note that when the material constituting the molding body 21 and the material constituting the cushion materials 30 and 33 are compatible, both are firmly joined by welding without special treatment at the joint. In the case where it does not have solubility, a strong bond can be obtained by a process such as forming a primer layer in advance in a corresponding part of the molding body 21.
[0038]
  Further, in the first embodiment, the cushion members 30 and 33 provided at positions apart from each other of the molding body 21 are integrated by a plurality of connecting portions 37 integrally joined to the back wall 26 of the cover portion 22. Connected to each other. For this reason, the cushion materials 30 and 33 are more firmly coupled to the molding body 21, and the effect of preventing the cushion materials 30 and 33 from peeling off is great.
  Further, in the first embodiment, the terminal cover portion 38 formed integrally so as to cover the lower terminal portion 21a of the molding body 21 is injection-molded with a soft synthetic resin made of the same material as the cushion materials 30 and 33. The end portions of the cushion materials 30 and 33 are integrally connected. For this reason, the cushion materials 30 and 33 are more firmly coupled to the molding body 21, and a further effect is exhibited in preventing the cushion materials 30 and 33 from peeling off.
[0039]
  Next, a manufacturing method for manufacturing the window edge molding 20 and a manufacturing apparatus used for the manufacturing method will be described with reference to FIGS. FIG. 6 is a plan view of the cavity mold with a core mold to be described later removed for easy understanding. 7 and 8 are cross-sectional views of a corresponding portion taken along line VII-VII in FIG. 9 and 10 are the same as those in FIG.IX-IXIt is sectional drawing of the equivalent part which follows a line. Further, FIGS. 7 and 9 are sectional views showing a state before injecting a molten material, which will be described later, and FIGS. 8 and 10 are sectional views showing a state in which the molten material is filled.
  That is, in FIG. 6, FIG. 7 and FIG. 9 showing an injection mold apparatus made of metal such as steel as a manufacturing apparatus for window edge molding, one mold 71 among both molds performing mold closing and mold opening operations. Includes a core mold 71A and a stripper plate 71B, and the core mold 71A has an undercut portion formed at a predetermined position of the window edge molding 20, that is, a back wall of the covering portion 22 of the molding body 21 at a predetermined position. The slide molds 78 and 79 are assembled so as to be slidable (advancing and retracting) at portions corresponding to one side edge of the 26th side and the cushion materials 30 and 33, respectively.
  In the cavity mold 72 as the other mold, the cover part 22 of the molding body 21 as the first molded body is in contact with the mold surface and positioned and set.
  Further, as shown in FIG. 9, when the mold is in a closed state, the tip of the pressing portion 711 of the core mold 71 </ b> A contacts the back wall 26 of the molding body 21 to press the molding body 21 against the cavity mold 72. Since the cavity portion 23 is formed between the back wall 26 and the cover portion 22, the pressing force of the core mold 71 </ b> A is somewhat absorbed by the elastic deformation of the back wall 26, and the pressing force is directly transmitted to the covering portion 22. There is nothing. As a result, even if the cover portion 22 contacts the mold surface of the cavity mold 72, damage or the like is prevented. This is particularly effective when the cover 22 is painted.
  As described above, the molding body 21 made of hard synthetic resin has a crest component 28 protruding from the back wall 26 of the cover 22 and a convex edge component 29 protruding from one side edge of the cover 22. Has been. Each of the cough component 28 and the convex edge component 29 has a joint portion.281,291The vicinity including the expansion joint portion is made smaller than the outer dimensions of the crest portion 28A and the convex edge portion 29A of the window edge molding 20 as the final product.282, 292Are formed respectively.
[0040]
  As shown in FIGS. 7 and 9, the core mold 71A, the cavity mold 72, the slide mold 78, the core mold 71A, the cavity mold 72 are closed, and the slide molds 78 and 79 are advanced to the advanced position. 79 and the molding body 21 between the crest component 28 and the convex edge component 29 of the molding body 21.In addition, the root portion 28 and the mold portion 79a of the mold, and the root portion 29 and the mold portion 78a of the mold are used as roots.The base portion cavities 83 and 86 that are continuous in the longitudinal direction for forming the base portions 31 and 35 and the cushion portion cavities 84 and 87 that form the elongated cushion portions 32 and 36 are formed in communication with each other. The base cavities 83 and 86 and the cushion cavities 84 and 87 form molding cavities 82 and 85 corresponding to the cushion materials 30 and 33 of the window edge molding 20. As a result, the molding cavities 82 and 85 have a larger cross-sectional area than the cavities of only the cushion part cavities 84 and 87, thereby reducing the resistance when the fluid (ie, the molten material) flows, as will be described later. In addition, the molten material can flow smoothly.
[0041]
  Further, a communication path 88 corresponding to the connecting portion 37 of the window edge molding 20 is formed between the back wall 26 of the covering portion 22 of the molding body 21 and the pressing portion 711 of the core mold 71A. The communication path 88 passes through the through-hole 46 provided through the mounting portion 40 of the molding body 21, and one end thereof communicates with one root portion cavity 83 and the other end communicates with the other root portion cavity 86. ing.
  Further, in a state where the core mold 71A and the cavity mold 72 are closed, a terminal molding cavity 81 corresponding to the terminal covering portion 38 is formed between the core mold 71A and the cavity mold 72. And the one end part of each shaping | molding cavity 82 and 85 is each connected to the terminal shaping | molding cavity 81 (refer FIG. 6).
  The terminal molding cavity 81 is provided with an injection gate 77, and more preferably, at least one of the molding cavities 82 and 85 and the communication path 88 is provided with an injection gate.
  In the first embodiment, injection gates 75 and 76 are respectively provided at a plurality of communication passages 88 provided at predetermined intervals in the longitudinal direction or at a plurality of locations of one molding cavity 82 located in the vicinity thereof. .
  Each of the injection gates 75, 76, 77 is communicated with the runner passage 73 via a respective sub sprue path 74. The runner passage 73 is communicated with an injection nozzle of an injection molding machine via a main sprue passage (not shown) (see FIG. 7).
[0042]
  That is, the molten material made of a soft synthetic resin supplied from the injection nozzle flows into the runner passage 73 through the main sprue passage and then into the sub sprue passages 74.
  The molten material injected from the injection gate 77 flows into the molding cavities 82 and 85 while filling the terminal molding cavities 81 through the terminal molding cavities 81.
  Further, the molten materials respectively injected from the injection gates 75 and 76 are filled in one molding cavity 82 and flow to the other molding cavity 85 through a plurality of communication paths 88.
  As a result, the molten material enters the molding cavities 82 and 85, the terminal molding cavities 81, and the communication paths 88.RespectivelyIt is filled without lack.
  As shown in FIGS. 8 and 10, the molten material filled in the molding cavities 82 and 85, the terminal molding cavities 81, and the communication passages 88 is cooled and solidified, so that each part of the molding body 21 has The cushion members 30, 33 and the connecting portions 37 are integrally joined and joined to the terminal portion 21a of the molding body 21 by being integrated with the terminal covering portion 38, whereby the window edge molding 20 is manufactured. The
  Thereafter, the core mold 71A and the cavity mold 72 are opened, and the window edge molding 20 is removed while the slide molds 78 and 79 are retracted to the retracted position. This completes one cycle of manufacturing the window edge molding 20.
[0043]
  As described above, the window edge molding 20 described in the first embodiment can be easily manufactured by the manufacturing method using the injection mold apparatus as the manufacturing apparatus for window edge molding.
  That is, according to the manufacturing method of the first embodiment, in the cough component portion 28 and the convex edge component portion 29 of the molding body 21, the joint portions of the cough component portion 28 and the convex edge component portion 29.281,291Is formed smaller than the outer dimensions of the crest portion 28A and the convex edge portion 29A of the window edge molding 20 as a final product.282, 292Are formed respectively. And expansion joint282, 292The cross-sectional area of the molding cavities 82 and 85 is increased by an amount corresponding to the root cavities 83 and 86 provided at the positions corresponding to the pressure loss when the molten resin flows in the longitudinal direction in the molding cavities 82 and 85. As a result, the flow resistance is reduced, so that the flow of the molten resin in the molding cavities 82 and 85 becomes smooth.
  For this reason, each joint part of the cough component part 28 and the convex edge component part 29 of the molding main body 21281,291Expansion joint including282, 292Cushion integrally having base portions 31 and 35 having a substantially U-shaped cross section joined integrally to each other and elastically deformable elongated cushion portions 32 and 36 projecting from the base portions 31 and 35. The materials 30 and 33 can be satisfactorily formed into a predetermined size and shape without the occurrence of unfilled portions (commonly referred to as “short”). In other words, the root cavities 83 and 86 serve as runners that use a part of the molding body 21 as a flow path for the molten resin.
[0044]
  Further, the molding cavities 82 and 85 are communicated with each other by a plurality of communication passages 88 in the base portion cavities 83 and 86 so that the molten material flows from the root portion cavity 83 to the root portion cavity 86 through the communication passages 88. It has become. For this reason, when the molding cavity 85 is unfilled, the molten material continues to flow into the root cavity 86 due to the pressure difference with the molding cavity 82. For this reason, the molten material is also filled into the molding cavity 85 in a state where the pressure of the molten material is maintained substantially uniform between the molding cavities 82 and 85. As a result, the molding cavities 82 and 85 are filled with the molten material without a shortage, and the desired cushion materials 30 and 33 can be formed satisfactorily.
  Further, one end of each molding cavity 82, 85 is communicated with the terminal molding cavity 81. Therefore, after the molten material injected into the terminal molding cavity 81 is filled in the terminal molding cavity 81, a part of the molten material flows into the molding cavities 82 and 85 and is injected from other positions to form the molding cavity 82, The molten material flowing in 85 is merged and filled. As a result, the molding cavities 82 and 85 and the terminal molding cavities 81 are filled with the molten material without any shortage, and the desired cushion materials 30 and 33 and the terminal cover 38 can be formed satisfactorily.
[0045]
  In addition, injection gates 75 and 76 are provided at a plurality of locations in one molding cavity 82 located in the vicinity of a plurality of communication passages 88 provided at predetermined intervals in the longitudinal direction. For this reason, the molten material is injected substantially simultaneously from the injection gates 75, 76, 77 into the one molding cavity 82 and the terminal molding cavity 81. Therefore, the molten material is filled in the terminal molding cavity 81, one molding cavity 82, the plurality of communication passages 88, and the other molding cavity 85 in a short time.
  In addition, by providing the injection gates 75 and 76 in the communication passage 88 or in the vicinity thereof, the pressure loss generated when the molten material passes through the communication passage 88 is effectively compensated, and the molten material is supplied to the molding cavity 85. It can flow well.
  Further, as described above, when the molten material flows without being insufficiently filled by the molding cavities 82 and 85 having a substantially enlarged cross-sectional area, another injection gate 75 is used by using one portion of the injection gate 77. , 76 can be omitted. In this case, there is an advantage that the problem of welds caused by using a plurality of injection gates does not occur.
[0046]
  Further, the molding body 21 is made of hard synthetic resin in the first embodiment among hard materials. For this reason, the molding body 21 functions as a heat insulating material, and when the molten material comes into contact with the molding body 21 in the molding cavities 82 and 85, it is prevented that the molten material is rapidly deprived of heat and the temperature of the molten material is lowered and solidified. can do. Therefore, the molten material can flow for a relatively long time, and the flow of the molten material in the long molding cavities 82 and 85 is maintained smoothly.
  Further, when the molding body 21 is made of a light metal alloy or the like, the molten body 21 that has been heated to a temperature exceeding the normal temperature is set in an injection mold so that the injected molten material can be drastically changed. A temperature drop can be prevented in substantially the same manner as described above.
  As described above, by preventing a rapid temperature drop of the molten material, the molten material flows smoothly into each molding cavity 82, 85, each communication path 88, and the terminal molding cavity 81, and is filled as desired. The cushion materials 30 and 33, the connection part 37, and the terminal cover part 38 can be formed favorably.
[0047]
    (Embodiment 2)
  Next, a second embodiment of the present invention will be described with reference to FIGS.
  In the second embodiment, the molding is caused by the flow pressure at the time of injection molding of the molten material for forming the cushion materials 30 and 33 as the second molded body with respect to the molding body 21 as the first molded body. It is an object to provide a manufacturing method capable of preventing partial deformation of the main body 21.
  That is, in some cases, a material having optimum characteristics cannot be used as a material for forming the molding body 21 as the first molded body.
  For example, when the molding body 21 is inevitably made of a material that is not strong enough (a material with high hardness but poor toughness, or a material with high toughness but low hardness), or the molding as the first molded body In some cases, the thickness of the portion of the main body 21 facing the gate must be reduced. In this case, when the molding body 21 as the first molded body is formed of a material that is not strong enough, the molten material for forming the cushion materials 30 and 33 as the second molded body is molded. When the cavities 82 and 85 are injection-filled to form the cushion materials 30 and 33 as the second molded body, an excessive injection pressure exceeding the limit acts on the gate-facing portion of the molding body 21 as the first molded body. The main body 21 may be locally deformed or damaged.
  In particular, when the gate-facing portion of the molding body 21 facing the injection gates 75 and 76 intersects the injection direction of the molten material at a substantially right angle, the flow pressure at the injection of the molten material remains the same as the molding body. 21 may act on the gate-facing portion of 21 and locally deform or damage the gate-facing portion of the molding body 21 and its vicinity.
  Therefore, in the second embodiment, it is intended to prevent partial deformation of the molding body 21 caused by the flow pressure of the molten material for injection molding the cushion materials 30 and 33 on the molding body 21. .
[0048]
  FIG. 11 is a cross-sectional view showing a state where a molten material is injection-filled in the molding cavity according to the second embodiment. FIG. 12 is an explanatory view showing the relationship between the gate facing portion of the molding body as the first molded body, the guide body, and the injection gate.
  As shown in FIGS. 11 and 12, in the second embodiment, the gate facing portion of the molding body 21 facing the injection gates 75 and 76 for injecting the molten material into the molding cavities 82 and 85, the second embodiment. Then, a guide body 101 having a guide surface 100 inclined in a direction that intersects the injection direction of the molten material at a non-right angle is provided at a predetermined portion of the back wall 26 of the cover portion 22 having the cavity portion 23 of the molding body 21. The molten material injected from the injection gates 75 and 76 flows along the guide surface 100 and is filled in the molding cavity 85.
  In particular, the flow direction of the molten material injected from the injection gates 75 and 76 is not perpendicular to the back wall 26 of the cover portion 22 of the molding body 21, for example, the flow direction of the molten material and the back wall 26 of the cover portion 22 The inclination angle of the guide surface 100 of the guide body 101 is set so that the angle θ formed by the guide body exceeds 90 degrees, and preferably becomes an obtuse angle of about 120 to 150 degrees.
  In the second embodiment, as shown in FIG. 12, the guide body 101 is integrated with a gate facing portion of the molding body 21, that is, a predetermined portion of the back wall 26 of the covering portion 22 having the cavity portion 23. The guide surface 100 is connected to the back wall 26 with a smoothly continuous curved surface.
  Further, the width dimension of the guide body 101 with respect to the longitudinal direction of the molding body 21 is set to an appropriate size so that it does not fall below the opening width dimension of the injection gates 75 and 76.
  Further, the guide surface 100 of the guide body 101 is formed as a smooth surface.
  Since other configurations of the second embodiment are configured in substantially the same manner as in the first embodiment, the same components are denoted by the same reference numerals, and the description thereof is omitted.
In FIG. 11, reference numerals 281, 291, 282, and 292 of the joint portions of the mall main body 21 and the extended joint portions including the joint portions are omitted.
[0049]
  Therefore, in the second embodiment, when the molten material is injected from the injection gates 75 and 76 and filled into the molding cavities 82 and 85, the molten material flows along the inclined guide surface 100 of the guide body 101. Thus, the molding cavity 85 is filled. In other words, the flow direction of the molten material injected from the injection gates 75 and 76 intersects at an obtuse angle without being orthogonal to the back wall 26 of the cover portion 22 of the molding body 21. For this reason, the flow pressure of the molten material acting on the back wall 26 of the cover portion 22 of the molding body 21 is reduced. As a result, it is possible to prevent the molding body 21 from being partially deformed on the back wall 26 of the covering portion 22 during the injection molding of the cushion materials 30 and 33 using a molten material.
  Further, in the molding body 21, a predetermined portion of the back wall 26 of the cover portion 22 having a hollow portion 23 as a hollow portion is a gate facing portion, and a guide body 101 is integrally provided at the gate facing portion. For this reason, since the guide body 101 is formed in the wall part on the opposite side to the back wall 26 of the cover part 22, ie, the position away from the surface of the exterior design part of the cover part, distortion such as sink marks is formed on the surface. Occurrence is prevented.
  Moreover, the guide body 101 is integrally formed in the part of the back wall 26 of the cover part 22, The thickness of the said part becomes thick by the part corresponding to the guide body 101, and intensity | strength is increased. For this reason, the gate facing portion of the molding body 21, that is, the back wall 26 of the covering portion 22 and its vicinity are prevented from being locally deformed.
[0050]
  The width dimension of the guide body 101 with respect to the longitudinal direction of the molding body 21 is set to a size that does not fall below the opening width dimension of the injection gates 75 and 76. Therefore, the injection pressure of the molten material injected from the openings of the injection gates 75 and 76PowerThe inclined guide surface 100 of the inner body 101 can be received over a substantially large area. As a result, the pressure per unit area acting on the inclined guide surface 100 of the guide body 101 is reduced. For this reason, damage to the guide body 101 can be prevented, and as a result, the effect of preventing deformation and destruction of the molding body 21 is great.
  Further, when the molten material is injected, the molten material (liquid) is prevented from leaking in the longitudinal direction beyond the guide surface 100 of the guide body 101, and the molten material (liquid) is prevented from leaking in the guide surface 100 of the guide body 101. And the molding cavity 85 is filled.
  Further, since the guide surface 100 of the guide body 101 is formed as a smooth surface, the molten material smoothly flows on the guide surface 100 of the guide body 101 without receiving excessive flow resistance. As a result, when the molten material is injected, a problem that the material pressure acting on the molding body 21 via the guide body 101 increases excessively is prevented.
[0051]
  In the second embodiment, the guide body 101 is formed integrally with a gate facing portion of the molding body 21 as the first molded body, that is, a predetermined portion of the back wall 26 of the cover portion 22 having the cavity 23. However, the present invention is not limited to this.
  That is, as shown in FIG. 13, a guide body 101 </ b> A having an inclined guide surface 100 </ b> A is formed separately from the molding body 21, and the gate facing portion of the molding body 21, that is, the back surface of the covering portion 22 of the molding body 21. It may be set in a fixed position on the wall 26.
  Alternatively, the guide body 101A may be positioned and fixed by forming a concave portion at a predetermined position on the back wall 26 of the cover portion 22 of the molding body 21, and may be positioned and fixed using a fixing means such as a clip, a screw, or an adhesive. Also good.
  In this way, by forming the guide body 101A separately from the molding body 21, the characteristics required for the guide body 101A (for example, good for the molten material corresponding to the cushion materials 30, 33 as the second molded body) The guide body 101A can be formed by appropriately selecting a material having a characteristic such as excellent slipperiness, heat resistance, and releasability. For this reason, characteristics, such as favorable slidability, heat resistance, and mold release property, can be exhibited with respect to the molten material corresponding to the cushion materials 30 and 33 as the second molded body.
  In addition, due to factors such as the complicated structure of the mold corresponding to the molding body 21,Guide body 101This method is effective when it is difficult to form integrally, or when it is difficult to attach a fixture such as a clip after the cushion materials 30 and 33 are formed of a molten material. In the latter case, the guide body 101A is removed after the cushion materials 30 and 33 are formed.
  Further, when the molten material is injected, the heat of the injected molten material is absorbed by the guide body 101A without directly acting on the gate-facing portion of the molding body 21, and is conducted through the guide body 101A. The For this reason, the malfunction which the gate opposing part of the molding main body 21 overheats with the heat | fever which a molten material has, and deform | transforms is prevented.
  In addition, when the guide body is integrally formed, this portion becomes thick, and a defect that easily causes sink marks on the outer surface of the molding body 21 as the first molded body is likely to occur. However, a separate guide body 101A is used. By doing so, such a problem can be prevented.
[0052]
  The present invention is not limited to the first and second embodiments.
  For example, in Embodiments 1 and 2, a long composite molded product isFor the side of the window frameHowever, it is also possible to form a part (front part) of the roof molding 70 (see FIG. 5) or the entire roof molding 70 at the upper end of the window molding 20. . It can also be used in the case of a window edge molding that can be mounted along the gap between the outer periphery of the window plate (rear window glass) at the rear of the vehicle and the peripheral wall of the window frame. It is.
  In addition, the window edge formed so that it can be attached along the gap between the outer peripheral edge of the window plate and the peripheral wall part of the window frame part at the upper edge part of the window frame part at the front or rear part of the vehicle. Even in the case of the molding (the upper window edge molding 16 in FIG. 5), it is possible to employ the molding.
  The long composite molded product of the present invention can also be used for parts other than vehicle window edge moldings, for example, long composite molded products such as bumpers and protector moldings.
[0053]
【The invention's effect】
  As described above, according to the long composite molded product according to the first aspect of the invention, the second molded body is stably and firmly joined to the joint portion of the convex edge constituting portion of the first molded body. It is possible to prevent the second molded body from being inadvertently peeled off from the convex edge constituting portion of the first molded body.
  According to the long composite molded product according to the invention of claim 2, in addition to the effect of the invention of claim 1,A long composite molded product can be stably attached to the mounted body, and a plurality of second molded bodies with respect to the mounted body can be held in a desired posture.
  According to the long composite molded product according to the invention of claim 3,Invention of Claim 1 or 2In addition to the effect ofA plurality of second molded bodies can be more firmly bonded to the first molded body, and a further effect is exhibited in preventing peeling.
  According to the long composite molded product according to the invention of claim 4,Claims 1-3In addition to the effect of the invention of any one ofAndBody materialTouch panel or window plateBy doing so, it can be installed without gaps, and the appearance can be improved.
  In addition, since the base portion of each second molded body can be firmly joined and integrated in a wide joint area of the extended joint portion including the joint portion of each convex edge constituting portion of the molding body, durability is also improved. Excellent.
  According to the long composite molded product according to the invention of claim 5,In addition to the effect of the invention of claim 4, the vehicle window edge molding is constituted by a long composite molded product, and the weight can be reduced by an amount corresponding to the hollow portion along the longitudinal direction of the covering portion of the molding body.
  According to the long composite molded product according to the invention of claim 6,Claims 1-5In addition to the effect of the invention of any one of the above, it is possible to firmly form the molding body of the window edge molding to hold the cushion material in a desired posture, and the elongated cushion portion is elastically deformed. Since it makes contact with the vehicle body panel or window plate as a mounted body without any gap, it is possible to prevent the appearance from deteriorating.
[0054]
  Moreover, according to the manufacturing method of the elongate composite molded product which concerns on invention of Claim 7, the elongate composite molded product which concerns on invention of Claim 1 can be manufactured easily.
  According to the method for manufacturing a long composite molded product according to the invention of claim 8, the root portion joined to the extended joint portion including the joint portion of the convex edge constituting portion of the first molded body, and the tension from the root portion. The 2nd molded object which has the extended elongate cushion part integrally can be favorably formed without a molding defect.
  Claim 9According to the method for producing a long composite molded product according to the invention ofClaim 8In addition to the effects of the invention of the invention,It is possible to easily manufacture a long composite molded product having a terminal cover at at least one terminal portion in the longitudinal direction of the first molded body.
  Claim 10According to the method for producing a long composite molded product according to the invention ofClaim 8 or 9In addition to the effects of the invention ofBy injecting the molten resin into a plurality of locations of the molding cavity, the second molded body can be satisfactorily formed without filling defects.
[0055]
  Claim 11According to the method for producing a long composite molded product according to the invention ofClaims 7-10In addition to the effect of the invention of any one of the above, the desired second molded body can be satisfactorily formed, and when a light metal molded product is used as the first molded body, the first molded body is thinned Furthermore, a long composite molded product having a metallic luster on a part of the surface (for example, a design surface) can be obtained.
  Claim 12According to the method for producing a long composite molded product according to the invention ofClaims 7-11In addition to the effect of any one of the inventions, it is possible to prevent the first molded body from being partially deformed during the injection molding of the second molded body by the molten material.
  Claim 13According to the method for producing a long composite molded product according to the invention ofClaim 12In addition to the effects of the present invention, it is possible to prevent the occurrence of distortion such as sink marks on the surface of the wall portion on the opposite side of the wall portion on the gate facing portion side of the hollow portion of the first molded body, for example, the design surface. It is possible to prevent the appearance from deteriorating due to the distortion of the.
  Claim 14According to the method for producing a long composite molded product according to the invention ofClaim 12 or 13In addition to the effect of the invention, it is possible to prevent the gate facing portion of the first molded body and its vicinity from being locally deformed.
  Claim 15According to the method for producing a long composite molded product according to the invention ofClaim 12 or 13In addition to the effects of the present invention, a suitable guide body can be selected in consideration of characteristics such as good slipperiness, heat resistance, and mold releasability for the molten material separately from the first molded body.
  Claim 16According to the method for producing a long composite molded product according to the invention ofClaims 12-15In addition to the effect of the invention according to any one of the above, the pressure per unit area acting on the inclined guide surface of the guide body is reduced, so that the guide body itself is damaged or the first molded body is deformed or destroyed. It can prevent well.
  Claim 17According to the method for producing a long composite molded product according to the invention ofClaims 12-16In addition to the effect of the invention of any one of the above, when the molten material is injected, it is possible to prevent a problem that the flow pressure of the molten material acting on the first molded body through the guide body excessively increases, Greatly effective in preventing deformation of the molded body.
[0056]
  Claim 18According to the long composite molded product manufacturing apparatus according to the invention,Claims 7 to 17The manufacturing method according to the invention can be easily implemented.
[Brief description of the drawings]
1 is a cross-sectional view based on the line I-I in FIG. 4 showing a vehicle window edge molding according to Embodiment 1 of the present invention;
2 is a cross-sectional view based on the line II-II in FIG. 4 showing a window edge molding for a vehicle.
3 is a cross-sectional view based on the III-III line of FIG. 4 showing a window edge molding for a vehicle. FIG.
FIG. 4 is a rear view of the window edge molding for the vehicle.
FIG. 5 is a perspective view showing the mounting state of the window edge molding for the vehicle, similarly, from the front of the vehicle.
FIG. 6 is a plan view showing a cavity mold from which a core mold of an injection mold apparatus as a manufacturing apparatus for window edge molding is removed.
7 is a cross-sectional view based on the line VII-VII in FIG.
FIG. 8 is a cross-sectional view showing a state where the molten material is injected and filled in the molding cavity in FIG. 7;
9 is a cross-sectional view based on the IX-IX line of FIG.
FIG. 10 is a cross-sectional view showing a state where the molten material is injected and filled in the molding cavity in FIG. 9;
FIG. 11 is a cross-sectional view showing a state where a molten material is injected and filled into a molding cavity according to Embodiment 2 of the present invention.
FIG. 12 is an explanatory view showing the relationship between the gate facing portion, the guide body, and the injection gate of the first molded body.
FIG. 13 is a perspective view showing a guide body that is formed separately from the first molded body.
[Explanation of symbols]
  2 Front pillar panel
  5 Window frame
  7 Perimeter wall
  8 Window boards
  20 Window edge molding (long composite molding)
  21 Mall body (first molded body)
  28 Cough component (convex edge component)
  28A cough (convex edge)
  29 Convex edge component
  29A Convex edge
  30, 33 Cushion material (second molded body)
  31, 35 Root
  32, 36 Cushion part
  37 connecting part
  38 Terminal cover
  40 Mounting part (partition wall)
  50 First fixture
  60 Second fixture
  71 Mold (one mold)
  71A Core type
  72 Cavity mold (the other mold)
  75, 76, 77 Injection gate
  78, 79 Slide type
  81 Terminal molding cavity
  82, 85 Mold cavity
  83, 86 Root cavity
  84, 87 Cushion cavity
  88 communication path
  100 Information plane
  101 Guide
281 and 291 joints
282, 292 Expansion joint

Claims

Has a rear outer surface is formed into an elongated shape that having a tongue structure extending longitudinally in a part of the outer peripheral portion of the cross section and having an attachment portion for attachment to the mounting member on the back side a first molded article, and a extension building second molded body along a longitudinal side direction while being bonded to the bonding portion of the tongue arrangement of the first molded body, tongue arrangement of the first molded body A long composite molded product in which a convex edge portion is formed by the portion and the second molded body ,
Forming wherein the tongue arrangement of the first molded body, extension junctions which are formed small compared to the outer dimensions of the tongues of the composite molded article in the vicinity including the joint along the longitudinal direction And
The second molded product, wherein the first molded body is formed by injection molding the expansion joint comprising a joint and a different material the convex edge configuration section, the expansion joint root root portions joined to When the conjunction has a fine long cushion unit issuing Ri Zhang said root portion or al integrally in the direction of contact with the mounting member along the longitudinal direction, so as to expose a part of the outer surface of the first molded body ing,
A long composite molded product characterized by this.

The long composite molded product according to claim 1 ,
A long composite molded product characterized in that the mounting portion for mounting to the mounted body is integrally projected on the back side of the first molded body .

A long composite molded article according to claim 1 or 2 ,
One terminal portion even without longitudinal small of the first molded body is covered by the terminal cover part,
The terminal cover portion is made of the same material as the second molded body, the second molded body in the longitudinal direction of the terminal portion and consolidated to elongate composite moldings, characterized in that it is formed integrally.

A long composite molded article according to any one of claims 1 to 3 ,
The long composite molded product constitutes a vehicle window edge molding that is mounted along the gap between the peripheral wall portion of the window frame portion of the vehicle body panel and the window plate,
The first molded body constitutes a molding body of the vehicle window edge molding,
The second molded body constitutes a cushion material that is joined to the convex edge constituting part on one side of the molding body and contacts the vehicle body panel , and / or joined to the convex edge constituting part on the other side of the molding body. A long composite molded product comprising a cushion material that comes into contact with the window plate.

The long composite molded product according to claim 4,
The molding body includes a long covering portion that covers at least a part of the gap between the peripheral wall portion of the window frame portion of the vehicle body panel and the window plate and has a predetermined width,
The cover part has a hollow part between the back wall along the longitudinal direction thereof, and is a long composite molded product.

A long composite molded article according to any one of claims 1 to 5,
The first molded body is formed of a hard material having rigidity,
The second molded body is formed of a soft material that is softer and more elastic than the first molded body, and is formed so as to be elastically deformable in an elongated cushion portion that protrudes from the root portion thereof. Long composite molded product.

Has a rear outer surface is formed into an elongated shape that having a tongue structure extending longitudinally in a part of the outer peripheral portion of the cross section and having an attachment portion for attachment to the mounting member on the back side a first molded article, and a extension building second molded body along a longitudinal side direction while being bonded to the bonding portion of the tongue arrangement of the first molded body, tongue arrangement of the first molded body A method of manufacturing a long composite molded product in which a convex edge portion is formed by a portion and the second molded body ,
Prepare first molded body having a tongue configuration portion extended joint portion is provided in the vicinity including the junction that is formed small compared to the outer dimension of the tongue of the long composite moldings,
Wherein in the second state in which the molded body by setting said first molded body into the mold out morphism molding the mold closing were, between the mold parts in the injection mold and the first molded body, the with the communication form a cushion portion cavity to form the base portion cavity and fine long cushion portion that forms the root portion of the second molded body extension joint comprising a joint tongues component along the longitudinal direction Forming the mold cavity,
Thereafter, the by injecting molten material into the mold cavity filled with the molten material in the root portion cavity and the cushion portion cavity of the mold cavity, prior Symbol extension joint comprising a joint tongue configuration of the first molded body a root portion joined to, the root portion or al elongate composite molded article, which comprises molding a second molded body integrally having a thin long cushion unit issuing Ri Zhang toward the mounting member Production method.

A method for producing a long composite molded article according to claim 7,
The molten material is respectively injected from a plurality of injection gates arranged at predetermined intervals in the longitudinal direction of the molding cavity, and the molten material is filled in the root cavity and the cushion cavity of the molding cavity. Manufacturing method for long composite molded products.

A method for producing a long composite molded article according to claim 8 ,
In the injection mold, a terminal molding cavity for forming a terminal cover portion is formed continuously with the molding cavity at at least one terminal portion in the longitudinal direction of the first molded body, and the molding cavity and the terminal molding cavity are formed. A method for producing a long composite molded article, wherein a molten resin is injected .

A method for producing a long composite molded article according to claim 8 or 9 ,
A method for producing a long composite molded product, comprising injecting molten resin into a plurality of locations of a molding cavity .

It is a manufacturing method of the long compound molded article according to any one of claims 7 to 10 ,
A synthetic resin molded product or a light metal molded product is used as the first molded product.

It is a manufacturing method of the long compound molded article according to any one of claims 7-11 ,
A guide body having a guide surface that is inclined in a direction that intersects the injection direction of the molten material at a non-perpendicular direction is provided at the gate facing portion of the first molded body that faces the injection gate that injects the molten material into the molding cavity, long method of manufacturing a composite molded article in which the molten material injected from the injection gate is characterized and Turkey filled in flows the mold cavity along the guide surface.

A method for producing a long composite molded article according to claim 12 ,
Together with the first molded body having a hollow portion, the length position of the wall portion forming the in empty part is a gate facing portion, characterized in that the guide member to the Gate facing portion is provided A method for manufacturing a long composite molded product.

A method for producing a long composite molded article according to claim 12 or 13 ,
The guide body is formed integrally with the gate facing portion of the first molded body, and is a method for producing a long composite molded product.

A method for producing a long composite molded article according to claim 12 or 13 ,
A long composite molding characterized in that the guide body is formed separately from the first molded body, and the molten material is injected and filled into the molding cavity in a state of being set at the gate facing portion of the first molded body. Product manufacturing method.

A method for producing a long composite molded article according to any one of claims 12 to 15 ,
The width of the guide body with respect to the longitudinal direction of the first molded body, method for manufacturing the elongated composite moldings, characterized in that it is set to a size not such from turning down the opening width dimension of the injection gate.

A method for producing a long composite molded article according to any one of claims 12 to 16 ,
A method for producing a long composite molded product, wherein the guide surface of the guide body is formed as a smooth surface.

Has a rear outer surface is formed into an elongated shape that having a tongue structure extending longitudinally in a part of the outer peripheral portion of the cross section and having an attachment portion for attachment to the mounting member on the back side a first molded article, and a extension building second molded body along a longitudinal side direction while being bonded to the bonding portion of the tongue arrangement of the first molded body, tongue arrangement of the first molded body An apparatus for manufacturing a long composite molded product in which a convex edge portion is formed by a portion and the second molded body ,
Provided with a pair of molds that perform mold closing and mold opening operations,
Between the pair of molding dies, a convex edge configuration part in which an extended joint part is provided in the vicinity including the joint part by being formed smaller than the outer dimension of the convex edge part of the long composite molded product In the state where the first molded body having the shape is set and the pair of molding dies are closed, the base portion of the second molded body is formed at the extended joint portion including the joint portion of the convex edge constituting portion. A root part cavity is formed, and a cushion part cavity forming an elongated cushion part that forms a main part of the second molded body is formed in communication with the root part cavity,
A molding cavity corresponding to a second molded body integrally having the root part and the elongated cushion part is constituted by the root part cavity and the cushion part cavity,
At least one of the pair of molding dies is provided with an injection gate for injecting a molten material into the molding cavity and filling the molding cavity.