JPH0455098B2 - - Google Patents

Info

Publication number
JPH0455098B2
JPH0455098B2 JP60033453A JP3345385A JPH0455098B2 JP H0455098 B2 JPH0455098 B2 JP H0455098B2 JP 60033453 A JP60033453 A JP 60033453A JP 3345385 A JP3345385 A JP 3345385A JP H0455098 B2 JPH0455098 B2 JP H0455098B2
Authority
JP
Japan
Prior art keywords
welding
resin
molded products
molded product
ultrasonic
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 - Lifetime
Application number
JP60033453A
Other languages
English (en)
Other versions
JPS61192544A (ja
Inventor
Shachisuke Umizumi
Koji Matsushima
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.)
Hokkai Can Co Ltd
Original Assignee
Hokkai Can 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 Hokkai Can Co Ltd filed Critical Hokkai Can Co Ltd
Priority to JP60033453A priority Critical patent/JPS61192544A/ja
Publication of JPS61192544A publication Critical patent/JPS61192544A/ja
Publication of JPH0455098B2 publication Critical patent/JPH0455098B2/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
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C66/01—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
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap 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
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one 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
    • B29C66/01—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
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1286—Stepped joint cross-sections comprising at least one bevelled 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
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential 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
    • B29C66/70—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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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〕 本発明は、ポリエチレンテレフタレート樹脂と
ポリアリレート樹脂、又は両者の混合樹脂からな
る成形同志を、その一方の成形品に超音波振動ホ
ーンを接触させて該成形品を加圧溶着する方法の
改良に関する。 〔発明の背景並に従来技術〕 合成趣脂成形品同志の接合方法としては、接着
剤による方法、溶着による方法などが一般的であ
り、溶着による方法としては、超音波溶着、高周
波溶着、スピンウエデイングなどが実用化されて
いる。 このうち超音波溶着方法は、超音波周波数で振
動しているホーンを溶着すべき成形品の一方に接
触させ、成形品の一方に超音波振動を与え、成形
品同志の接触面に振動エネルギーを発生させ、そ
のエネルギーにより成形品同志の接触面を互いに
溶融させ、両者を一体的に溶着させる方法であ
り、この方法は制御が容易で、短時間に強固、か
つ、きれいな接着仕上がりが得られるという特長
を有するため、近年種々な合成樹脂材の接合方法
として用いられている。しかし、本溶着方法をポ
リエチレンテレフタレート樹脂成形品同志の溶着
に適用すると、一体化した強固な溶着を行うこと
ができない。即ち、ポリエチレンテレフタレート
樹脂は融点が255℃近辺であるが、加熱すると、
融点以下で軟化しやすく、通常の超音波溶着方法
を適用し、成形品同志に加圧下で超音波振動を与
え、溶着を行うとすると、接合面の樹脂が溶融す
る前に軟化してしまい、超音波振動を与えても、
もはや軟化前と同じような発熱がおこらず、樹脂
を溶融させることができないため、溶融による一
体化が行われず、更に、そのような状態で加圧さ
れているため、成形品が変形し、目的とする形状
での一体溶着品を得ることが困難であつた。 かかる問題点は、ポリエチレンテレフタレート
樹脂の特性と考えられるため、これを解消する方
法としてポリエチレンテレフタレート樹脂の一
部、あるいは、成形品の一方のすべてを他の樹脂
におきかえる方法について検討を行つた。 その際、おきかえる材料としては、溶融温度が
ポリエチレンテレフタレート樹脂に近く、相溶性
が良く、また耐熱性が良く、ガラス転移点も高い
ことが望ましく、更に、溶着後の成形体を用いる
用途に対し、ポリエチレンテレフタレート樹脂の
特性を損なわない材料が望ましい。かかる観点か
ら種々調査を行い、好適材料としてポリアリレー
ト樹脂を見出した。 上記ポリアリレート樹脂は、溶融温度約250℃
でポリエチレンテレフタレート樹脂との相溶性も
良く、耐熱性もポリエチレンテレフタレート樹脂
よりも良いことは分かつているが、このポリアリ
レート樹脂をポリエチレンテレフタレート樹脂に
ブレンドした樹脂組成の成形品について超音波溶
着を行つた結果、ポリアリレート樹脂のブレンド
量により、また、超音波振動のかけ方により一体
溶着がおこなわれたり、不十分になることを見出
し、本発明が完成されたものである。 〔発明の目的〕 本発明は、ポリエチレンテレフタレート樹脂成
形品同志を超音波溶着するにあたり、ポリアリレ
ート樹脂を併用し、溶着後の成形体の機能、商品
価値などを実質的に損なうことなく、強固に一体
溶着させる方法を提供することにある。 〔発明の要旨〕 本発明は、ポリエチレンテレフタレート樹脂と
ポリアリレート樹脂の単独、あるいは、これらの
混合樹脂からなる成形品同志を、その一方の成形
品に超音波振動ホーンを接触させて該成形品を加
圧溶着する方法であつて、少なくとも該超音波振
動ホーンに接する側の成形品は、ポリアリレート
樹脂を30重量％以上含有する成形品とすることを
特徴とするものである。 〔本発明の効果〕 本発明によれば、超音波溶着を行う成形品のう
ち、超音波振動ホーンに接する側の成形品はポリ
アリレート樹脂を30重量％以上ブレンドした樹脂
組成とするが、かくすることによりポリエチレン
テレフタレート樹脂のもつ透明性を損なうことな
く成形品の熱変形温度が高くなり、超音波振動を
与えると良好な溶着が行われ、ポリエチレンテレ
フタレート樹脂単独の場合にみられたような溶着
不良、軟化変形を解消することを可能としたもの
である。一方、ブレンド量が30％重量％より少な
い場合は、上記のような効率が不十分であり、溶
着は不十分となる。また溶着すべき成形品同志の
ポリアリレート樹脂含有量は超音波振動ホーンの
接する側の方を多くする方が超音波振動エネルギ
ーをより効率的に伝え、接触面の発熱が高まり一
体溶着が行われやすいので望ましく、超音波振動
ホーンの接触する側の成形品中のポリアリレート
樹脂の含有量が30重量％以上であつても、他方の
成形品中のポリアリレート樹脂含有量は少ない方
が、望ましく、又両成形品の樹脂組成は近い方が
より一体溶着し易く望ましい。 〔実施例〕（第１図、第２図） ポリエチレンテレフタレート樹脂とポリアリレ
ート樹脂の単独、あるいは、これらの混合樹脂
（別表の重量比により混合）からなる円筒状成形
品１，２同志を、その溶接すべき個所を圧接する
ように嵌合し、常法のように一方の成形品１に加
圧状態で超音波溶着装置３の振動ホーン４を当
て、加圧20PSI、ウエルドタイム0.6秒、ホールド
タイム0.2秒で溶着試験を行つた。 この結果、別表に示すように、ポリアリレート
樹脂が30重量％以上含有すると、成形品同志の良
好な一体溶着が行われることが分かる。 【表】
【図面の簡単な説明】
第１図は本溶着方法の実施態様を示す説明図、
第２図は溶着完了状態の成形品の断面図である。 １，２……成形品、３……超音波溶着装置、４
……振動ホーン。

Claims (1)

  1. 【特許請求の範囲】 １ ポリエチレンテレフタレート樹脂とポリアリ
    レート樹脂の単独、あるいは、これらの混合樹脂
    からなる成形品同志を、その一方の成形品に超音
    波振動ホーンを接触させて該成形品を加圧溶着す
    る方法であつて、少なくとも該超音波振動ホーン
    に接する側の成形品は、ポリアリレート樹脂を30
    重量％以上含有する成形品とすることを特徴とす
    る超音波溶着による合成樹脂成形品の溶着方法。 ２ ポリアリレート樹脂ブレンド量の多い成形品
    側に超音波振動ホーンを接触させることを特徴と
    する特許請求の範囲第１項記載の超音波溶着によ
    る合成樹脂成形品の溶着方法。
JP60033453A 1985-02-20 1985-02-20 超音波溶着による合成樹脂成形品の溶着方法 Granted JPS61192544A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60033453A JPS61192544A (ja) 1985-02-20 1985-02-20 超音波溶着による合成樹脂成形品の溶着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60033453A JPS61192544A (ja) 1985-02-20 1985-02-20 超音波溶着による合成樹脂成形品の溶着方法

Publications (2)

Publication Number Publication Date
JPS61192544A JPS61192544A (ja) 1986-08-27
JPH0455098B2 true JPH0455098B2 (ja) 1992-09-02

Family

ID=12386950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60033453A Granted JPS61192544A (ja) 1985-02-20 1985-02-20 超音波溶着による合成樹脂成形品の溶着方法

Country Status (1)

Country Link
JP (1) JPS61192544A (ja)

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