JPH04298347A - 防振体構造及び該防振体の製造方法 - Google Patents

防振体構造及び該防振体の製造方法

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Publication number
JPH04298347A
JPH04298347A JP3064168A JP6416891A JPH04298347A JP H04298347 A JPH04298347 A JP H04298347A JP 3064168 A JP3064168 A JP 3064168A JP 6416891 A JP6416891 A JP 6416891A JP H04298347 A JPH04298347 A JP H04298347A
Authority
JP
Japan
Prior art keywords
molded body
resin molded
outer cylinder
rubber
reinforcing material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3064168A
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English (en)
Inventor
Takashi Fujiwara
孝志 藤原
Yosuke Iino
洋輔 飯野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kinugawa Rubber Industrial Co Ltd
Original Assignee
Kinugawa Rubber Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kinugawa Rubber Industrial Co Ltd filed Critical Kinugawa Rubber Industrial Co Ltd
Priority to JP3064168A priority Critical patent/JPH04298347A/ja
Publication of JPH04298347A publication Critical patent/JPH04298347A/ja
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/364—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a woven or non-woven fabric or being a mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3684—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being non-metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4835—Heat curing adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/565—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits involving interference fits, e.g. force-fits or press-fits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/543—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles
    • B29C66/5432—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining more than two hollow-preforms to form said hollow articles joining hollow covers and hollow bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73755—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being fully cured, i.e. fully cross-linked, fully vulcanized
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、例えば自動車用エンジ
ン等を車体に支持する防振体構造及び該防振体の製造方
法に関する。
【０００２】
【従来の技術】周知のように、例えば自動車の防振体の
製造方法としては、従来から種々のものが提供されてお
り、その一例として本出願人が先に提案した特公昭５９
−１９０１８号公報等に記載されているものがある。
【０００３】これは、まず金属製内外筒の表面を脱脂し
た後、その表面に接着剤を塗付する。一方、防振ゴム本
体を加硫成形した後、前記内外筒の間に圧入手段によっ
て打ち込み圧入して防振体を組み立てる。その後、誘導
加熱装置を用いて外筒または内筒の少なくとも一方を１
６０℃〜２５０℃の温度範囲内でかつ約０．５〜３秒の
時間範囲内の加熱条件下で加熱することにより、発熱さ
せてゴム本体と内外筒の少なくともいずれか一方とを接
着させるようになっている。
【０００４】したがって、この製造方法によれば、接着
時間の短縮化によりゴムの劣化を防止できると共に、耐
久性の向上が図れ、しかも加熱後のバネ定数の変化が加
熱前と略同一となり一定の品質が維持でき、また、接着
強度が向上する等の多くの利点を有している。
【０００５】
【発明が解決しようとする課題】ところで、近時自動車
の高性能化及び高出力化などに伴って車体の軽量化が要
請され、各構成部品をアルミニウムや合成樹脂材で成形
するに至っている。
【０００６】然し乍ら、前記従来の防振体にあっては、
内筒や外筒が鋼製の金属材で成形されているため、前記
車両の軽量化を十分に満足させることができない。
【０００７】そこで内外筒を合成樹脂材で成形すること
も考えられるが、該合成樹脂材は導電性が極めて小さい
ため、前記誘導加熱装置による高周波加熱ではほとんど
昇温せず、ゴム本体との十分な接着強度が得られない。
【０００８】また、合成樹脂材は、熱伝導率も金属に比
べて約１／２程度であるため、熱風等による加熱でも長
時間に亘って加熱しなければならない。このため、ゴム
の熱劣化や量産性が低下するといった問題を招来する。
【０００９】
【課題を解決するための手段】本発明は、前記従来の問
題点に鑑みて案出されたもので、請求項１の発明は、樹
脂成形体と、該樹脂成形体に圧着されたゴム材とを誘導
加熱によって接着してなる防振体構造であって、前記樹
脂成形体の内部に導電性を有する例えば炭素繊維等の補
強材を埋設したことを特徴としている。
【００１０】請求項２の発明は、樹脂成形体に導電性を
有する例えば炭素繊維等の補強材を予め埋設すると共に
、表面に接着剤が塗付された前記樹脂成形体に加硫ゴム
を圧着し、その後、該樹脂成形体を誘導加熱装置により
高周波加熱して樹脂成形体と加硫ゴムを接着させたこと
を特徴としている。
【００１１】
【作用】前記構成の本発明によれば、樹脂成形体に導電
性を有する例えば炭素繊維等の繊維補強材を埋設したた
め、該樹脂成形体に加硫ゴムを圧着した後、誘導加熱装
置により高周波加熱を行なうと、該高周波電流が繊維補
強材を導通して樹脂成形体全体が効果的に加熱される。 したがって、前記金属を用いた場合と同様に短時間で接
着剤を活性化することができ、ゴムの劣化を防止しつつ
接着強度の向上等が図れる。
【００１２】しかも、構成部品の軽量化が図れることは
勿論のこと、繊維補強材によって樹脂成形体自体の強度
が向上し、耐久性や耐腐食性に優れたものが得られる。
【００１３】
【実施例】以下、請求項１及び請求項２の発明に係る実
施例を、テストケースを示す図１〜図３に基づいて説明
する。
【００１４】図中１は合成樹脂材を主体とした外筒、２
，２は各外端部にフランジ部３，３が溶接により固着さ
れた金属製の内筒、４…は該外筒１と内筒２，２との間
に圧入される円環状の防振用のゴム材である。
【００１５】前記外筒１は、その外径が後述の誘導加熱
装置の電磁コイル５，５との一定のクリアランスを保つ
ために８２．６ｍｍに設定してあり、その内部には炭素
繊維材の円筒状繊維補強材６が予め埋設されている。こ
の繊維補強材６は、肉厚が約３ｍｍのピッチ系炭素繊維
のプリプレグシートの積層体が外筒１の全体に埋め込ま
れている。尚、この炭素繊維は織り込み状のものでもよ
い。
【００１６】また、この外筒１（ＣＦＲＰ）の内周面に
は、プライマーを塗付して７０℃程度の温度で乾燥させ
た後、接着剤を塗付し乾燥させておく。
【００１７】前記内筒２，２は、予め外周面にショット
ブラスト，バーカライジング処理等を行ない有機溶剤で
脱脂し、その後、外周面にプライマーを塗付して７０℃
程度の温度で乾燥させた後、接着剤を塗付し乾燥させて
おき、インジェクションやトランスファー加硫等で内筒
２，２の外周面にゴム材４…を円環状に加硫成形すると
同時に、接着する。
【００１８】その後、図２に示すように各ゴム材４…を
外周に一体成形した内筒２，２を、外筒１の両端部から
圧入手段を介して圧入する。この圧入長さは、外筒１の
両端部開口縁から外側の各ゴム材４，４の外端縁までの
深さが約７０ｍｍとなるように設定した。
【００１９】前記誘導加熱装置は、図外の高周波発振器
と該高周波発振器から最大１０ＫＷの高周波電流が出力
される一対の電磁コイル５，５とを備えている。この電
磁コイル５，５は図３に示すように円環状を呈し、巾が
２５ｍｍの銅材で形成されていると共に、内径が１０５
ｍｍに設定されており、外筒１と同心上に配置されると
共に、１つのゴム材４に対して跨ぐように外筒１外周側
から囲繞するようになっている。
【００２０】以下、本実施例と、外筒を金属製にした従
来例の実験結果を比較した表１に基づいて説明する。
【００２１】
【表１】
【００２２】まず、各電磁コイル５，５を図３の如く配
設した。そして、誘導加熱装置は、高周波電流が１２０
〜１３０Ａ、周波数６００ＫＨＺ、発振時間を７秒に設
定した。ここで、本実施例の繊維補強材６を埋設した樹
脂製外筒１と従来の金属製外筒の肉厚は夫々３ｍｍに設
定した。
【００２３】そして、所定の発振時間が終了した後、速
やかに接触式の表面温度計にて加熱部位数点の温度計測
を行なった。その後、各フランジ部３，３を捩り試験機
に取り付け、５ｄｅｇ／ｍｉｎの速度で静的な捩り試験
を行ない、その時に示した最大トルクをもって接着強度
とした。
【００２４】この結果、表面温度は、従来例が１６０℃
〜１８０℃であるのに対し、本実施例ではこれより略同
一あるいはそれ以上の１５０℃〜２００℃まで上昇した
。したがって、本実施例では繊維補強材６によって導電
性が金属の場合と同様に上昇していることが明らかであ
る。更に、接着強度は、本実施例では従来の金属に比較
して測定値が若干低いものの、金属の場合と同様にゴム
材の破断に至るような接着反応が確認されており、した
がって、十分な接着強度が得られることが明らかである
。尚、表１中破壊個所のＲはゴム材の破断を示している
。
【００２５】また、発振時間も７秒足らずであるから、
ゴム材の熱劣化が発生しないばかりか、量産性も金属の
場合と同様に十分に向上する。
【００２６】しかも、外筒１が、樹脂材と炭素繊維補強
材６で形成されているため、軽量化と耐腐食性が満足さ
れると共に、補強材６によって外筒１自体の強度が向上
し、優れた耐久性が得られる。
【００２７】また、補強材６を積層体に形成したため、
外筒１を短時間でかつ全体を均一に加熱することができ
る。
【００２８】尚、本発明は、前記実施例に限定されるも
のではなく、補強材を炭素繊維の他に導電性の高い金属
材やその他のものに変更することも可能である。また、
外筒の他に内筒にも適用できることは勿論のこと、筒状
以外の樹脂成形体にも適用できる。
【００２９】
【発明の効果】以上の説明で明らかなように、本発明に
よれば、樹脂成形体の内部に導電性を有する補強材を埋
設したため、誘導加熱時に該補強材を介して樹脂成形体
全体に効果的に加熱される。したがって、金属を用いた
場合と同様に短時間で接着剤を活性化することができ、
ゴム材の劣化を防止しつつ接着強度の向上が図れると共
に、量産性も十分に向上する。
【００３０】しかも、樹脂材をベースとしたため、全体
の軽量化と耐腐食性が満足されると共に、補強材による
樹脂成形体の強度が向上する。
【図面の簡単な説明】
【図１】本発明の一実施例を示す分解斜視図。
【図２】本実施例における外筒と内筒との間にゴム材を
圧入した状態を示す斜視図。
【図３】本実施例における外筒を誘導加熱している状態
を示す斜視図。
【符号の説明】
１…外筒、２…内筒、４…ゴム材（加硫ゴム）、５…電
磁コイル（誘導加熱装置）、６…炭素繊維補強材。

Claims (2)

    【特許請求の範囲】
  1. 【請求項１】　　樹脂成形体と、該樹脂成形体に圧着さ
    れたゴム材とを誘導加熱によって接着してなる防振体構
    造であって、前記樹脂成形体の内部に導電性を有する補
    強材を埋設したことを特徴とする防振体構造。
  2. 【請求項２】　　樹脂成形体に導電性を有する補強材を
    予め埋設すると共に、表面に接着剤が塗付された前記樹
    脂成形体に加硫ゴムを圧着し、その後、該樹脂成形体を
    誘導加熱装置により高周波加熱して樹脂成形体と加硫ゴ
    ムを接着させたことを特徴とする防振体の製造方法。
JP3064168A 1991-03-28 1991-03-28 防振体構造及び該防振体の製造方法 Pending JPH04298347A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3064168A JPH04298347A (ja) 1991-03-28 1991-03-28 防振体構造及び該防振体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3064168A JPH04298347A (ja) 1991-03-28 1991-03-28 防振体構造及び該防振体の製造方法

Publications (1)

Publication Number Publication Date
JPH04298347A true JPH04298347A (ja) 1992-10-22

Family

ID=13250267

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JPH04298347A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019108460A (ja) * 2017-12-18 2019-07-04 東洋インキＳｃホールディングス株式会社 電磁誘導加熱用接着シート、接着構造物及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019108460A (ja) * 2017-12-18 2019-07-04 東洋インキＳｃホールディングス株式会社 電磁誘導加熱用接着シート、接着構造物及びその製造方法

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