JPS6241861B2 - - Google Patents

Info

Publication number
JPS6241861B2
JPS6241861B2 JP25979284A JP25979284A JPS6241861B2 JP S6241861 B2 JPS6241861 B2 JP S6241861B2 JP 25979284 A JP25979284 A JP 25979284A JP 25979284 A JP25979284 A JP 25979284A JP S6241861 B2 JPS6241861 B2 JP S6241861B2
Authority
JP
Japan
Prior art keywords
metal strip
synthetic resin
resin film
film
electromagnetic induction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP25979284A
Other languages
English (en)
Other versions
JPS60143934A (ja
Inventor
Yoshuki Kamimoto
Kazuo Tejima
Morihiro Tsucha
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.)
Toyo Aluminum KK
Original Assignee
Toyo Aluminum KK
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 Toyo Aluminum KK filed Critical Toyo Aluminum KK
Priority to JP59259792A priority Critical patent/JPS60143934A/ja
Publication of JPS60143934A publication Critical patent/JPS60143934A/ja
Publication of JPS6241861B2 publication Critical patent/JPS6241861B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B29C65/3644—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 ribbon, band or strip
    • 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
    • B29C65/3676—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 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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B29C65/46—Joining a heated non plastics element to a plastics element heated by induction
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • 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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • 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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/94—Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/949—Measuring or controlling the joining process by measuring or controlling the time characterised by specific time values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/08—Treatment by energy or chemical effects by wave energy or particle radiation
    • B32B2310/0806—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation
    • B32B2310/0812—Treatment by energy or chemical effects by wave energy or particle radiation using electromagnetic radiation using induction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、金属帯材と合成樹脂フイルムとの
熱融着装置に関する。
〔従来の技術〕
従来、金属帯材と合成樹脂フイルムとを貼合わ
せる方法としては押出し法或いはフイルム貼合わ
せ法などが知られているが、その何れにも高温融
着に伴う樹脂の酸化が生じたり、また金属帯材に
対する両面同時融着が不可能であるといつた欠点
を有する。
このため、金属帯材と合成樹脂フイルムとを高
周波誘導加熱によつて接着することにより、樹脂
の酸化防止を図ることが知られている（特開昭49
−115171号）。
〔発明が解決しようとする問題点〕
ところで、金属帯材と合成樹脂フイルムとを高
周波誘導加熱によつて接着する従来の装置は、金
属帯材の片面側のみに電磁誘導コイルを配置する
ものである。
しかしながら、電磁誘導コイルを金属帯材の片
面側にのみ配置した場合、磁束は主として金属帯
材と平行に流れるので、金属帯材内において渦電
流を均一に発生させるためには、金属帯材と電磁
誘導コイル間のギヤツプを厳密に調整する必要が
あり、実際には金属帯材が多少デコボコしている
ので、上記ギヤツプの調整は非常に困難であり、
金属帯材を均一に加熱することができなかつた。
そこで、この発明は、金属帯材間に渦電流が均
一に発生し易い構造の誘導加熱装置を提供するこ
とを目的とする。
〔問題点を解決するための手段〕
上記の問題点を解決するために、この発明は、
金属帯材と合成樹脂フイルムとの熱融着装置を次
のように構成したのである。
即ち、金属帯材と合成樹脂フイルムを重ね合わ
せた積層体の面に対して垂直の方向に磁束が透過
するように電磁誘導コイルを配置したのである。
〔作 用〕
上記の構成によれば、磁束が金属帯材面に対し
て垂直の方向に透過するので、渦電流が金属帯材
の全巾に亘つて流れ、金属帯材が均一に加熱さ
れ、金属帯材と合成樹脂フイルムが均一な接着力
で接着される。
〔実施例〕
以下、この発明の実施例を添付図面に基づいて
説明する。
Ａは金属帯材、Ｂは合成樹脂フイルムであり、
その両面は相互の融着を完全にするために貼合面
をコロナ処理装置５，５′および６の通過によつ
てコロナ処理し、圧着ロール２によつて合成樹脂
フイルム−金属帯材−合成樹脂フイルムと積層さ
せる。
次いで積層体Ｃを誘導加熱装置１に送り、該装
置内で120〜170℃で通過時間約0.1〜1.0秒の瞬時
に金属帯材Ａを加熱することにより合成樹脂フイ
ルムＢと金属帯材Ａとの界面で合成樹脂フイルム
Ｂが溶融し、金属帯材Ａに融着する。
上記誘導加熱装置１は、上記積層体Ｃの面に対
して垂直の方向に磁束が透過する位置に電磁誘導
コイル１０を配置したものである。
かくして金属帯材Ａの両面に合成樹脂フイルム
Ｂが熱融着した積層体Ｃは、冷却ドラム４に送ら
れる前に、熱融着した合成樹脂フイルムＢが冷却
ドラム４に接触して該ドラム４に融着することを
防止するために、冷却室３を通過させて冷却空気
で合成樹脂の融点以下まで予め冷却したのち、冷
却ドラム４、冷却ロール８によつてさらに冷却を
重ね巻取りロール９によつて積層製品として巻取
られるのである。
次に、この発明において使用される金属帯材Ａ
としてはアルミニウム又はアルミニウム合金、
銅、スチールなどの板状、或いは箔が用いられ、
熱融着合成樹脂フイルムＢとしてはポリエチレ
ン、ポリプロピレン、ポリ塩化ビニル、ポリ塩化
ビニリデン、エチレン−酢酸ビニル共重合物、ポ
リエステル、ナイロンなどが適当である。
そして積層体Ｃの使用目的さらには金属帯材Ａ
の種類に応じて適宜組合わせればよい。
また、金属帯材Ａおよび合成樹脂フイルムＢに
対するコロナ処理は両者の熱融着をより向上させ
るためのものであり、図面にては両者とも該処理
を施すものについて示したが、必ずしもこれに限
定されるものではなく、例えば金属帯材Ａとして
軟質アルミニウム箔を用いる場合などはこの処理
を施こさずとも十分に合成樹脂フイルムＢとの熱
融着性は得られるのである。
従つてこの処理も使用する金属帯材Ａおよび合
成樹脂フイルムＢの組合せに応じて適宜実施すれ
ば良い。上記にて金属帯材Ａに対し合成樹脂フイ
ルムＢを両面同時融着することについて詳述した
が、本発明の方法はこれに限らず片面融着にも適
用しうることは云うまでもない。
また、本発明は、従来のフイルム貼合わせ法に
おける予備加熱で金属帯材の片面に合成樹脂フイ
ルムを圧着したものに対する後加熱に代えて採用
することも出来る。
本発明で得られる積層製品はアルミニウム容
器、およびその蓋材、ケーブルシース用、各種食
品包装用など広い用途に対して非常に有用であ
る。
以下本発明を更に詳細に説明するために実施例
を示す。なおこの実施例は何ら本発明を限定する
ものではない。
実施例 １ 軟質アルミニウム箔（50μ×500mm幅）と前処
理として軟質アルミニウム箔との融着面にコロナ
処理を施こせる低密度ポリエチレンフイルム（30
μ×510mm幅）を圧着ロール通過によつて積層し
たのち、これを60ｍ／分の速度で発振出力
23.0KW（245.0V×93.9）、発振周波数1.8KHzの
誘導加熱装置内をアルミニウム箔の温度160℃に
て通過せしめてアルミニウム箔に樹脂フイルムを
融着させ、その後冷却室にて冷却空気を吹きつけ
て積層した樹脂表面温度を110℃附近まで下げた
のち冷却ドラム、冷却ロールを通し、アルミニウ
ム箔片面にポリエチレンフイルムを融着せる積層
製品を得た。
この積層製品には樹脂の酸化臭は殆んどなく、
ポリエチレンフイルムとアルミニウム箔との剥離
強度は420ｇ／15mm幅（剥離速度200mm／min、Ｔ
−剥離）を示し、同じアルミニウム箔と低密度ポ
リエチレンフイルムによる従来の押出し法にて得
た積層品の剥離強度300〜320ｇ／15mm幅に比し大
きな性能の向上が認められた。
実施例 ２ 両面をコロナ放電処理した軟質アルミニウム箔
（200μ×600mm幅）と、同様にしてアルミニウム
箔との貼合面をコロナ放電処理したエチレン−酢
酸ビニル共重合体のフイルムとを圧着ロールにて
積層したのち、これを45ｍ／分の速度で発振出力
91.0KW（442.3×205.8）、発振周波数1.2KHz
の誘導加熱装置内をアルミニウム箔の温度160℃
にて通過せしめてアルミニウム箔の両面にフイル
ムを融着させ、次いで冷却室内で冷却空気にて積
層した樹脂フイルムの表面温度を140℃まで冷却
したのち冷却ドラム、冷却ロールを経てアルミニ
ウム箔の両面にエチレン−酢酸ビニル共重合体フ
イルムを融着せる積層製品を得た。
このもののフイルムとアルミニウム箔の剥離強
度は450〜500ｇ／15mm幅（剥離速度200mm／
min、Ｔ−剥離）であつた。
〔効 果〕
この発明は、以上のように、磁束が金属帯材の
面に対して垂直の方向に透過するので、渦電流が
金属帯材の全巾方向に均一に発生する。
このため、金属帯材の片面側にのみ電磁誘導コ
イルを設けた従来の装置のように、金属帯材と電
磁誘導コイル間のギヤツプを厳密に調整する必要
がなく、容易に金属帯材を均一に加熱することが
でき、均一な接着力が得られるという効果があ
る。
【図面の簡単な説明】
図面はこの発明の装置を使用して金属帯材と合
成樹脂フイルムとを融着する工程を示す概略図で
ある。 Ａ……金属帯材、Ｂ……合成樹脂フイルム、１
０……電磁誘導コイル。

Claims (1)

    【特許請求の範囲】
  1. １ 金属帯材と合成樹脂フイルムを重ね合せた積
    層体の前面と背面の両面に電磁誘導コイルを配置
    し、当該電磁誘導コイルが上記積層体の面に対し
    て垂直の方向に磁束が透過する位置に対向する金
    属帯材と合成樹脂フイルムとの熱融着装置。
JP59259792A 1984-12-08 1984-12-08 金属帯材と合成樹脂フィルムとの熱融着装置 Granted JPS60143934A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59259792A JPS60143934A (ja) 1984-12-08 1984-12-08 金属帯材と合成樹脂フィルムとの熱融着装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59259792A JPS60143934A (ja) 1984-12-08 1984-12-08 金属帯材と合成樹脂フィルムとの熱融着装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3256877A Division JPS53117072A (en) 1977-03-23 1977-03-23 Fusing of strip metal with synthetic resin films

Publications (2)

Publication Number Publication Date
JPS60143934A JPS60143934A (ja) 1985-07-30
JPS6241861B2 true JPS6241861B2 (ja) 1987-09-04

Family

ID=17339051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59259792A Granted JPS60143934A (ja) 1984-12-08 1984-12-08 金属帯材と合成樹脂フィルムとの熱融着装置

Country Status (1)

Country Link
JP (1) JPS60143934A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677969B2 (ja) * 1987-03-03 1994-10-05 住友化学工業株式会社 金属シ−トに熱可塑性樹脂フイルムをラミネ−トする方法
JP2519520B2 (ja) * 1988-12-28 1996-07-31 ホーチキ株式会社 差動式熱感知器
NL9000366A (nl) * 1990-02-15 1991-09-02 Beheersmaatschappij P Buitendi Werkwijze voor het hechten van een metalen plaatmateriaal aan een kern- of basisplaatmateriaal, alsmede een inrichting voor het uitvoeren van deze werkwijze.
FR2765143B1 (fr) * 1997-06-26 2000-10-20 Philippe Dufour Procede de fabrication de panneaux composites et agencement pour la mise en oeuvre de ce procede

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53117072A (en) * 1977-03-23 1978-10-13 Toyo Alum Kk Fusing of strip metal with synthetic resin films

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53117072A (en) * 1977-03-23 1978-10-13 Toyo Alum Kk Fusing of strip metal with synthetic resin films

Also Published As

Publication number Publication date
JPS60143934A (ja) 1985-07-30

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