JPS5874315A - 熱可塑性樹脂部材の超音波接合方法 - Google Patents

熱可塑性樹脂部材の超音波接合方法

Info

Publication number
JPS5874315A
JPS5874315A JP56172015A JP17201581A JPS5874315A JP S5874315 A JPS5874315 A JP S5874315A JP 56172015 A JP56172015 A JP 56172015A JP 17201581 A JP17201581 A JP 17201581A JP S5874315 A JPS5874315 A JP S5874315A
Authority
JP
Japan
Prior art keywords
projections
members
thermoplastic resin
bonding
grooves
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
JP56172015A
Other languages
English (en)
Inventor
Naoaki Awazu
粟津　直昭
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP56172015A priority Critical patent/JPS5874315A/ja
Publication of JPS5874315A publication Critical patent/JPS5874315A/ja
Pending 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/322—Providing cavities in the joined article to collect the burr
    • 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
    • B29C66/124—Tongue and groove 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
    • B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
    • B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
    • 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
    • B29C66/545—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 one hollow-preform being placed inside the 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
    • B29C66/70—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
    • B29C66/70—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
    • B29C66/83—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

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】 本発明は熱可塑性樹脂部材同志を超音波接合法により融
着接合せしめる際に、接合部の接合強度を改良する方法
に関するものである。
超音波発信機とそれに接続された超音波振動子により発
生される超音波振動を被接着部材の少なくとも一方の接
合部へ伝え、部材自体の振動抵抗による内部摩擦熱と上
下運動による接触摩擦熱を生起せしめて、加熱融着する
ことからなるいわゆる超音波接合法は、接合部が高温で
溶融する各種熱可塑性樹脂部材の接合に使用されてきた
。
しかるに従来の熱可塑性樹脂部材の超音波振動子におい
ては、一方の部材の接合しようとする端部を他方の部材
の被接合部に全面的に当接させて、当該接合部全体を加
熱溶融することから、出力容量の大きな超音波発信機が
必要とさ、融着時に溶融樹脂の一部が接合 部側面からはみだして、余分な後処理を必要とこの欠陥
を改良する方法としては、例えば第１図〜第４図に示す
ように、接合しようとする熱可塑性樹脂部材１，１′の
一方の部材２に突起３を設けると共に、溶融樹脂の一部
がはみだして生じるパリを防止するための間隙４を設け
て超音波接合する方法（例えば特開昭４８−４３０７２
号公報、特開昭５０−８７４６４号公報および特開昭５
１−５３５７７号公報）が知られている。
この方法の例えば第４図によれば、部材１け上方から加
圧力で部材１′に押しつけられた状態で部材１の突起３
と部材１′の突起当接部分３′に超音波エネルギーが加
わり、この部分が軟化、流動化して第５図に示したよう
に溶融樹脂４′が空隙４を埋めることになるあかしなが
ら第５図においては突起６が存在した個所（ａ）の接合
力が強いのに反し、（ｂ）部の接合力が低く、この傾向
は高融点の熱可塑性樹脂を用いる場合にとくに著しい。
この結合力を高めるためには接合部の突起の数を多くす
ることが考えられるが、突起数の増加は溶融樹脂の増大
を招き、溶融樹脂により超音波エネルギーが消滅するこ
とになるため、全体としての接合力の向上には限度があ
る。
そこで本発明者らは超音波接合法によりとくに高融点の
熱可塑性樹脂部材を接合する際の接合強度を改良するこ
とを目的として検討した結果、部材の接合面に突起と共
に、パリ防止用の間隙とは別の溝を設け、この溝に溶融
樹脂の少なくとも一部が流れこむ構造を付与することに
より、上記目的が効果的に達成できることを見出した。
すなわち本発明は熱可塑性部材同志を超音波接合法によ
シ融着接合するに際し、接合しようとするいづれか一方
の部材の接合面に突起を設けると共に、この突起の両側
および／または他方の部材の接合面に前記突起が当接す
る部分の両側に前記突起と平行な溝を設けることを特徴
とする熱可塑性樹脂部材の超音波接合方法を提供するも
のである。
本発明の方法を第６図および第７図にしだがって説明す
れば次のとおシである。
第６図においては一方の部材１の接合面２に突起３ｆ１
個以上設けられ、さらにこの突起乙の両側に溝５が突起
３と平行に設けられている。。
この部材１を他の平担な接合面を有する部材１′と重ね
合せ、加圧、押しつけた状態で、常法にしたがい部材１
を”通して突起３へ超音波発信ホーンを流すと、突起５
およびこの突起が当接する部材１′の面３′　が軟化、
溶融流動して溝５へ流入し、さらには間隙４を埋めて第
７図の状態になる。この際溶融樹脂は加圧下に溝５へ流
入し、突起３部から排除されながら接合が進行するため
、溶融樹脂により超音波エネルギーが阻害されることは
ない。また第７図において溶融樹脂４′は溝５内で固化
するため、１種のアンカー効果が得られ、接合強度が極
めて向上する。
かかる溝５は突起３を有さない部材１′に突起３が当接
する部分の両側に設けてもよく、また部材１と１′の両
者に設けることも可能である。
なお間隙４は必らずしも必要ではなく、場合によっては
溶融樹脂のすべてが溝５へ流入するように接合しようと
する部材の形状を設定することができる。部材に設ける
突起３の数は部材の形状により適宜選択できるが、１つ
以上、通常は２〜１０個が適当であり、あまシ突起数が
多いと多大な超音波エネルギーを要するため好ましくな
い。
本発明で用いることのできる熱可塑性樹脂としては、ポ
リアミド系、ポリエステル系、ポリオレフィン系、ポリ
スチレン系、ポリハロゲン化ビニル系などの通常の樹脂
が挙げられるが、なかでもとくに高融点の熱可塑性樹脂
１例えばポリアミドイミド樹脂などを使用する際に顕著
な効果が得られる。
以下に実施例を挙げて本発明をさらに説明する０ 実施例 未硬化のポリアミドイミド、樹脂（ＡＭＯＣＯ社製”ト
ークン”４２ＣＩＬ）から射出成形により第８〜１０図
に示す形状のテストピース（８）、（Ｂ）、（Ｃ）およ
びこれらと同一寸法で表面が平担な角状成形品を作成し
た。なお第８〜１０図において、上部は平面図、下部は
側面図を示し、図中の数字は寸法（単位；儒）を示す。
次に角状成形品上に、各テストピース（Ｎ〜（Ｃ）を突
起が角状成形品に当接するように載置し、超音波工業株
製ＵＳＷＰ−５００Ｆ２　　を用いて、加圧力９　’ｙ
／ｃ４　ｓ溶接時間６秒、保持時間４秒の条件で当接部
分の超音波溶接を行なった０その後熱風乾燥機内で１６
０℃で２４時間、２４５℃で２４時間、２６０℃で２４
時間のポストキュアーを実施した。得られた各接合品（
Ａ）〜（Ｃ）から機械加工により第１１図に示した試験
片を作成し、テンシログーより接合部の引張強度を測定
した結果を第１表に示す。
第　　１　　表 第１表から明らかなように、溝を設けたテストピース（
Ａ）および（Ｂ）を用いた接合品は、従来のテストピー
ス（ｑを用いた接合品に比し改良された接合強度を示す
。
【図面の簡単な説明】
第１図〜第４図は従来の超音波接合用熱可塑性樹脂部材
１．１′の側面図、第５図は第４図の部材を接合した後
の側面図、第６図は本発明の接合しようとする熱可塑性
樹脂部材の側面図、第７図は第６図の部材を接合した後
の側面図、第８図〜第１０図は本発明実施例で用いる熱
可塑性樹脂部材の平面図および側面図、第１１図は本発
明実施例で評価に供する接合品からの試験片の断面図を
示す。 １．１′・・・熱可塑性樹脂部材、２・・・接合部、噛
−一■―−■−■■■−−−−開■■■シ３・・・突起
、４・・・間隙、４′・・・溶融樹脂充填部、５・・・
溝 特許出願人　東し株式会社 第６図 第７ＷＪ

Claims (1)

    【特許請求の範囲】
  1. 熱可塑性樹脂部材同志を超音波接合法によシ融着接合す
    るに際し、接合しようとするいずれか一方の部材の接合
    面に突起を設けると共に、この突起の両側および／また
    は他方の部材の接合面に前記突起が当接する部分の両側
    に、前記突起と平行な溝を設けることを特徴とする熱可
    塑性樹脂部材の超音波接合方法。
JP56172015A 1981-10-29 1981-10-29 熱可塑性樹脂部材の超音波接合方法 Pending JPS5874315A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56172015A JPS5874315A (ja) 1981-10-29 1981-10-29 熱可塑性樹脂部材の超音波接合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56172015A JPS5874315A (ja) 1981-10-29 1981-10-29 熱可塑性樹脂部材の超音波接合方法

Publications (1)

Publication Number Publication Date
JPS5874315A true JPS5874315A (ja) 1983-05-04

Family

ID=15933941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56172015A Pending JPS5874315A (ja) 1981-10-29 1981-10-29 熱可塑性樹脂部材の超音波接合方法

Country Status (1)

Country Link
JP (1) JPS5874315A (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115617U (ja) * 1984-12-28 1986-07-22
JPS62221526A (ja) * 1986-03-24 1987-09-29 Nippon Denso Co Ltd 超音波溶着部材および超音波溶着方法
US4919987A (en) * 1987-01-15 1990-04-24 Verwaltungsgesellschafft Geiger Plastic GmbH & Co. KG Process for the joining of polyamide parts by friction welding
FR2713540A1 (fr) * 1993-12-13 1995-06-16 Orbey Plastiques Ind Joint de soudure pour pièces creuses.
US5688355A (en) * 1994-10-03 1997-11-18 Xerox Corporation Process for fabricating flexible belts using laser ablation
US5698358A (en) * 1992-11-27 1997-12-16 Xerox Corporation Process for fabricating a belt with a seam having a curvilinear S shaped profile
JP2000517036A (ja) * 1997-06-10 2000-12-19 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 圧密な構成ユニットとその製造法
EP1072391A3 (en) * 1999-07-27 2001-02-14 Emhart Inc. Plastic clip bonding method and plastic clip
EP1389529A1 (en) * 2002-08-13 2004-02-18 Eastman Kodak Company Restricting flash spread when welding housing halves of cartridge together
FR2898512A1 (fr) * 2006-03-17 2007-09-21 Valeo Materiaux De Friction Sa Ensemble de baguettes pour cadre de support d'un media de filtration
JP2008078967A (ja) * 2006-09-21 2008-04-03 Foster Electric Co (Hong Kong) Ltd スピーカキャビネットの超音波溶着接合方法

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115617U (ja) * 1984-12-28 1986-07-22
JPH0450103Y2 (ja) * 1984-12-28 1992-11-26
JPS62221526A (ja) * 1986-03-24 1987-09-29 Nippon Denso Co Ltd 超音波溶着部材および超音波溶着方法
US4919987A (en) * 1987-01-15 1990-04-24 Verwaltungsgesellschafft Geiger Plastic GmbH & Co. KG Process for the joining of polyamide parts by friction welding
US5698358A (en) * 1992-11-27 1997-12-16 Xerox Corporation Process for fabricating a belt with a seam having a curvilinear S shaped profile
FR2713540A1 (fr) * 1993-12-13 1995-06-16 Orbey Plastiques Ind Joint de soudure pour pièces creuses.
US5688355A (en) * 1994-10-03 1997-11-18 Xerox Corporation Process for fabricating flexible belts using laser ablation
JP2000517036A (ja) * 1997-06-10 2000-12-19 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 圧密な構成ユニットとその製造法
EP1072391A3 (en) * 1999-07-27 2001-02-14 Emhart Inc. Plastic clip bonding method and plastic clip
US6703129B1 (en) 1999-07-27 2004-03-09 Newfrey Llc Plastic clip bonding method and plastic clip
EP1389529A1 (en) * 2002-08-13 2004-02-18 Eastman Kodak Company Restricting flash spread when welding housing halves of cartridge together
US6830323B2 (en) 2002-08-13 2004-12-14 Eastman Kodak Company Restricting flash spread when welding housing halves of cartridge together
FR2898512A1 (fr) * 2006-03-17 2007-09-21 Valeo Materiaux De Friction Sa Ensemble de baguettes pour cadre de support d'un media de filtration
WO2007113412A1 (fr) * 2006-03-17 2007-10-11 Valeo Materiaux De Friction Ensemble de baguettes pour cadre de support d'un media de filtration
JP2008078967A (ja) * 2006-09-21 2008-04-03 Foster Electric Co (Hong Kong) Ltd スピーカキャビネットの超音波溶着接合方法

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