JPS6258300B2 - - Google Patents

Info

Publication number
JPS6258300B2
JPS6258300B2 JP54048386A JP4838679A JPS6258300B2 JP S6258300 B2 JPS6258300 B2 JP S6258300B2 JP 54048386 A JP54048386 A JP 54048386A JP 4838679 A JP4838679 A JP 4838679A JP S6258300 B2 JPS6258300 B2 JP S6258300B2
Authority
JP
Japan
Prior art keywords
objects
hot air
welded
joined
nozzle
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
JP54048386A
Other languages
English (en)
Other versions
JPS55139217A (en
Inventor
Masami Ishii
Nobuharu Kato
Mikio Yasuda
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.)
Aisin Corp
Original Assignee
Aisin Seiki 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 Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to JP4838679A priority Critical patent/JPS55139217A/ja
Priority to US06/136,050 priority patent/US4315791A/en
Publication of JPS55139217A publication Critical patent/JPS55139217A/ja
Priority to US06/299,136 priority patent/US4407691A/en
Publication of JPS6258300B2 publication Critical patent/JPS6258300B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/87—Auxiliary operations or devices
    • B29C66/874—Safety measures or devices
    • B29C66/8744—Preventing overheating of the parts to be joined, e.g. if the machine stops or slows down
    • B29C66/87443—Preventing overheating of the parts to be joined, e.g. if the machine stops or slows down by withdrawing the heating tools
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • 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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
    • 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
    • B29C66/63—Internally supporting the article during joining
    • 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
    • B29C66/65—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 with a relative motion between the article and the welding tool
    • 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
    • B29C66/739—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 material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • 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
    • 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
    • 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
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • 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
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91212—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/76—Processes of uniting two or more parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】 この発明は、熱風溶着方法およびその装置に関
し、特に小型の熱可塑性樹脂部材の連続接合を可
能にする熱風溶着方法およびその装置に関する。
合成樹脂材は、金属材に比し、軽量で且つ成形
が容易なことから、多方面に利用されている。こ
のような利用範囲の拡大に伴い、合成樹脂部材の
接合が必要となつてくる場合がある。プラスチツ
クパイプの溶着の例が、たとえば、特開昭48−
92477号公報に開示されている。この公知手法
は、対のプラスチツクパイプの端面を当接させて
固定し、この固定パイプに熱風ノズルおよびプラ
スチツク帯状体供給部を備える治具を取付け、治
具のパイプに対し回転させ、熱風によりプラスチ
ツク帯状体を対接するパイプ端面に溶着させるも
のである。この公知例は、パイプの自動溶着化と
いう利点を有するもののパイプ径に応じた治具を
用意する必要がある。
一方、車両のブレーキオイルリザーバや排気ガ
ス浄化システムのバルブボデイ等に合成樹脂材が
多用されるようになつてきたが、この種の部品
は、多量に、しかも、同品質に仕上げる必要があ
る。このような要望を満たすべく、前述した公知
例の教示を利用すると、各部品毎に治具を作る必
要があること、プラスチツク帯状体を用いなけれ
ばならないこと、および治具を回転させる必要が
あること等のため、合成樹脂部材の多量の連続溶
着を低コストで行うには不向きである。
この発明は、前述した公知例および特開昭52−
90584号公報で開示する熱風を利用することによ
り、熱可塑性樹脂材の溶着作業を連続的に迅速に
行うようにしたもので、そのための技術手段とし
て、互いに対向する接合面間に僅かな間隔をとる
ように対の被接合物を保持し且つ該両被接合物を
同一速度で回転させること、被接合物の外壁面よ
り外側に位置決めされた熱風ノズルから接合面部
分に向けて熱風を吹付け該接合面部分を半溶融状
態とさせること、被接合物を加圧し接合面を圧着
させることを用いている。
この発明によれば、熱風ノズルが被接合物の外
壁面より外側に位置決めされるので、被接合物の
形状、寸法変化があつても、被接合物の外壁面と
ノズルとの間を一定に調整可能となり、このため
接合面部分の半溶融状態を常にほぼ同状態とさせ
得る利点が得られる。
この発明の実施例を添付図面を参照して説明す
る。
１は本発明に係る熱風溶着装置の一例の本体
で、そして、被接合物保持装置２、ヒーターユニ
ツト３、そして加圧ユニツト４が取付けられてい
る。前記被接合物保持装置２は、第２図に見られ
るように、スリーブ２０、バネ２１及び底ブタ２
２およびスリーブ２０に案内されてガタなく上下
するワークガイド２３からなつており、このスリ
ーブ２０とワークガイド２３とは熱可塑性樹脂材
からなる被接合物５，６を保持するようになつて
いる。上側と下側の被接合物５，６の対向する端
面５ａ，６ａの間にわずかな間隔を維持するよう
に保持装置２が被接合物を保持する。被接合物
５，６の端部の端面５ａ，６ａは、半径方向に膨
出させた環状のフランジ部に突状の形で形成され
る。後述する熱風ノズル３０からのスポツト的な
熱風が接合面となる端面５ａ，６ａ間に吹き込
み、接合面である端面を５ａ，６ａを容易に半溶
融状態とするようにしている。又、被接合物保持
装置２は、その下部に図示していないモーターが
取付けられ、回転するようになつており、被接合
物５，６を任意の所定の速度で回転させる。ヒー
ターユニツト３は、ヒーター３１を保持しかつ熱
風ノズル３０の位置を前後に調整する機構をもつ
ヒーターホルダー３２と、前記ヒーターホルダー
３２を一定角度回動させる図示されないロータリ
ーソレノイドと、図示されない風量調整器と、そ
してこれにより一定に設定された風量のエアを前
記ヒーター３１に送る送風用ビニルパイプ３３と
から成つている。又このヒーターユニツト３は、
本体１にあけられた長孔１０により、被接合物
５，６の大きさに応じて前後に動かすことが可能
で、さらに前記ヒーターホルダー３２により微調
整することでその位置決めができる。） ノズル３０からの熱風は、ヒーター３１の出口
部分、つまり熱風ノズル３０で小さくスポツト的
に絞れら、被接合物５，６の接合面である端面５
ａ，６ａの部分を半溶融状態とさせる。
加圧ユニツト４は、５，６の脱着を可能とする
ために、後方への回動機能を持ち、さらに、被接
合物５，６を上方から押える旋回クランパー４０
と、又この旋回クランパー４０をガタが生じない
ようにガイドするクランパーホルダー４１と、旋
回クランパー４０を上下方向に動かす図示されな
いエアシリンダーと、旋回クランパー４０の下方
位置点を決め、溶着代を調整する溶着代調整ボル
ト４２と、および溶着代調整ストツパー４３とか
ら成る。
以上の如き構成において、前述した熱風溶着装
置を作動するにあたり、先ず、ヒーター３１の準
備運動をし、ヒーター３１の出口、つまり熱風ノ
ズル３０よりの熱風を300〜450℃とする。これに
より第３図ａの動作が完了する。
次に、被接合物５，６をワークガイド２３に装
着する。熱風ノズル３０と被接合物の外壁面との
間隔を所定値となるよう熱風ノズルの位置決めを
した後、被接合物保持装置を回転させ両被接合物
５，６を回転をさせ、ヒーターユニツト３が被接
合物５，６の溶着部である端面５ａ，６ａ間に熱
風をスポツト的に吹きあてる。これにより第３図
ｂの動作が完了する。
次に、一定時間の加熱を終つた後、ヒーターユ
ニツト３を回動させるか或いはもとの位置にもど
し、熱風が被接合物に当らないようにする。これ
により第３図ｃの動作が完了する。
さらに、該動作が完了すると、被接合物保持装
置２は、回転をストツプし、次に、旋回クランパ
ー４０が、被接合物５，６の上方の所定の位置に
回動し、下降して溶着部である端面５ａ，６ａが
固化するまで圧着する。この動作は、第３図ｄの
ごとくなり、この段階にて溶着が完了する。次い
で被接合物５，６を保持装置２から取外し自然放
冷させる。
熱可塑性樹脂材からなる被接合物は、溶着部の
形状を考慮すれば、中空体形状でも中実形状でも
接合でき、さらに溶着部は、円形はもとより楕円
や角形状のものも、ヒーターユニツト１０をカム
で動作させれば、簡単にできる。
【図面の簡単な説明】
図は全て本発明中空体形状をした熱可塑性樹脂
部材の熱風溶着法とその装置の一実施例を示すも
ので、第１図は全体の斜視図、第２図はワークホ
ルダーの拡大中央断面図、そして第３図は熱風溶
着方法を分り易く示した要部の説明図である。 １……熱風溶着装置の本体、２……被接合物保
持装置、３……ヒーターユニツト、４……加圧ユ
ニツト、５，６……２個の中空体形状をした熱可
塑性樹脂部材、３０……熱風ノズル。

Claims (1)

  1. 【特許請求の範囲】 １ 被接合物の端部に位置し且つ半径方向に膨出
    させた環状のフランジ部に突状の形で形成される
    接合面を互いに対向させ且つ該接合面間に僅かな
    間隔を維持するように熱可塑性樹脂材からなる２
    個の被接合物を保持すること、 前記被接合物の外壁面より外方に且つ前記接合
    面に近接させて熱風ノズルを位置決めすること、 前記被接合物を同一速度で回転させること、 前記被接合物の接合面間に向けて前記熱風ノズ
    ルより熱風を吹付け、前記接合面の部分を半溶融
    状態とさせること、 前記被接合物の軸線方向から前記被接合物に外
    力を印加し対向する前記接合面を圧着させるこ
    と、 前記被接合物への外力および熱風吹付を解放し
    た状態で前記被接合物を取外すこと、および取外
    された前記被接合物を自然放冷させることからな
    る熱風溶着方法。 ２ 回転装置に連結され且つ熱可塑性樹脂材から
    なる第１および第２の被接合物を保持する装置
    と、 前記両被接合物の端部の環状フランジ部に突状
    の形で形成される接合面に向けて熱風を吹付ける
    ノズル装置と、および、 前記被接合物の軸線方向から外力を印加し前記
    両被接合物の接合面を圧着させるクランパーとを
    有し、 前記被接合物保持装置が前記被接合物の接合面
    を対向させ且つ僅かな間隔を維持するよう相対的
    に移動可能であり、前記ノズル装置が前記接合物
    の外壁面に接近および離反すよう移動可能であつ
    て、さらに、前記クランパーが前記被接合物の前
    記保持装置からの着脱を可能にするよう該保持装
    置から離反可能であることを特徴とする熱風溶着
    装置。
JP4838679A 1979-04-19 1979-04-19 Method and apparatus for welding hollow thermoplastic resin material in hot air Granted JPS55139217A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4838679A JPS55139217A (en) 1979-04-19 1979-04-19 Method and apparatus for welding hollow thermoplastic resin material in hot air
US06/136,050 US4315791A (en) 1979-04-19 1980-03-31 Method and apparatus for performing hot air welding of thermoplastic resin parts
US06/299,136 US4407691A (en) 1979-04-19 1981-09-03 Method and apparatus for performing hot air welding of thermoplastic resin parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4838679A JPS55139217A (en) 1979-04-19 1979-04-19 Method and apparatus for welding hollow thermoplastic resin material in hot air

Publications (2)

Publication Number Publication Date
JPS55139217A JPS55139217A (en) 1980-10-30
JPS6258300B2 true JPS6258300B2 (ja) 1987-12-04

Family

ID=12801856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4838679A Granted JPS55139217A (en) 1979-04-19 1979-04-19 Method and apparatus for welding hollow thermoplastic resin material in hot air

Country Status (2)

Country Link
US (2) US4315791A (ja)
JP (1) JPS55139217A (ja)

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Also Published As

Publication number Publication date
JPS55139217A (en) 1980-10-30
US4407691A (en) 1983-10-04
US4315791A (en) 1982-02-16

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