JPS6152785B2 - - Google Patents

Info

Publication number
JPS6152785B2
JPS6152785B2 JP56172865A JP17286581A JPS6152785B2 JP S6152785 B2 JPS6152785 B2 JP S6152785B2 JP 56172865 A JP56172865 A JP 56172865A JP 17286581 A JP17286581 A JP 17286581A JP S6152785 B2 JPS6152785 B2 JP S6152785B2
Authority
JP
Japan
Prior art keywords
thermoplastic resin
ultrasonic horn
ultrasonic
bonding method
pressed
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
JP56172865A
Other languages
English (en)
Other versions
JPS5874316A (ja
Inventor
Kenjiro Nishikawa
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.)
Maruni Kasei KK
Original Assignee
Maruni Kasei 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 Maruni Kasei KK filed Critical Maruni Kasei KK
Priority to JP56172865A priority Critical patent/JPS5874316A/ja
Publication of JPS5874316A publication Critical patent/JPS5874316A/ja
Publication of JPS6152785B2 publication Critical patent/JPS6152785B2/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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • 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
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C66/30221—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 point-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
    • B29C66/40—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
    • B29C66/43—Joining a relatively small portion of the surface of said 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
    • B29C66/73—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
    • B29C66/832—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
    • B29C66/01—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
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/50—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
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • 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

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】 本発明は超音波接着方法の改良、詳しくは、熱
可塑性樹脂材料の重ね合せを超音波ホーンで押圧
して、重ね合せ面に超音波ホーンで押圧した範囲
の溶着を生ぜしめる接着方法の改良に関する。
従来、上述のような超音波接着方法において
は、熱可塑性樹脂材料の重ね合せ面が共に滑かな
面か、一方が滑かな面で他方がしぼ乃至は梨地の
エンボス加工した面か、あるいは共にしぼ乃至は
梨地のエンボス加工した面であり、超音波ホーン
の押圧面を熱可塑性樹脂材料の当接面に喰い込ま
せるまで十分に押圧しないと、重ね合せ面に十分
な強度の溶着を生じさせることができなかつた。
したがつて、熱可塑性樹脂材料の当接面には超音
波ホーンで押した陥没が生ずるし、また、上述の
ような強い押圧力を必要とするために、超音波ホ
ーンの押圧面積すなわち、一回の押圧で溶着させ
得る面積を余り大きくできないと云う問題があ
り、大きな面積の溶着を得るためには何回も位置
を変えて押圧せねばならず、その押圧の数だけ陥
没を生ぜしめることになる。
本発明は、陥没を生ぜしめることなくて、重ね
合せ面に十分な強度の溶着を生ぜしめることがで
き、したがつてまた、超音波ホーンの押圧面積を
大きくもできる超音波接着方法を提供するもので
あり、本発明の方法は、熱可塑性樹脂材料の重ね
合せを超音波ホーンで押圧して、重ね合せ面に超
音波ホーンで押圧した範囲の溶着を生ぜしめる接
着方法において、予め接着する重ね合せ面の少く
とも一方に、凹みの縁に盛り上りが生ずるような
凹凸処理を施すことを特徴とする。
以下、本発明を図面に基づいて説明する。
第１図は本発明の方法によつて超音波接着を行
う状態を示す側面図、第２図は凹凸処理方法の一
例を示す側面図、第３図は凹凸処理したポリプロ
ピレンシートの平面図である。
第１図において、１はアンビル、２および３は
重ね合せ面２ａおよび３ａを接着すべくアンビル
１上に重ねて置かれた熱可塑性樹脂材料のポリプ
ロピレンシート、４は超音波ホーンであり、ポロ
プロピレンシート２の重ね合せ面２ａにおける超
音波ホーン４で押圧される部分には、予め、図示
のように凹み２ｂの縁に盛り上り２ｃの生ずる凹
凸処理が施されている。なお、ポリプロピレンシ
ート２および３の地の重ね合せ面２ａおよび３ａ
と、それらの面の反対面は、それぞれ滑かな面で
あつても、しぼ乃至は梨地のエンボス加工面であ
つてもよい。このようなポリプロピレンシート２
と３の重ね合せを超音波ホーン４によりアンビル
１との間で押圧すると、超音波ホーン４の押圧面
４ａをポリプロピレンシート３の上面に喰い込ま
すまで押圧しなくても、すなわちポリプロピレン
シート３の上面に陥没を生ぜしめるまで押圧しな
くても、従来陥没を生ぜしめるまで押圧しなくて
は得られなかつたような強度の溶着を重ね合せ面
２ａと３ａの間に生ぜしめることができる。それ
は前述のような凹凸処理による盛り上り2cに超音
波ホーンによつて与えられる振動エネルギが集中
して、そこが真先に溶融し、それが迅速な波乃効
果に繋がるためと考えられる。このような凹凸処
理は、図示例のように、重ね合せ面の一方２ａだ
けに施してもよく、また両方２ａおよび３ａに施
せば一層の効果がある。
第２図に示した凹凸処理の方法は、四角断面の
多数の突起５ａを有する加熱金属型５を、アンビ
ル１上に置いたポリプロピレンシート２の上面に
押し付けて、突起５ａを喰い込ます方法である。
第３図はこの方法によつて得られたポリプロピレ
ンシート２の処理面を示しているが、加熱金属型
５における突起５ａの配列はこの図のような縦横
整列した配列でなくてもよいし、超音波ホーン４
の押出面４ａに合せて配列は自由に変えることが
できる。
第２図の加熱金属型５を用いる方法は、突起５
ａの基底面５ｂがポリプロピレンシート２に当る
まで喰い込ますと、凹みの縁の盛り上りがつぶれ
て本発明の効果が減少するから、そこまでは喰い
込まさないようにするのがよい。その点、例えば
角錐状の突起を有して基底面の殆んどない加熱金
属型を用いると、基底面が当るまで喰い込ませて
も本発明の効果は殆んど失われない。
また、凹凸処理は、突起を有する加熱金属型を
用いる上述の例に限らず、熱可塑性樹脂材料がポ
リプロピレンシートのように比較的柔かく弾性の
あるものならば、例えば釘の先で引つ掻くような
方法でもよい。それでも引つ掻いてできた凹みの
縁には盛り上りが生じて本発明の効果を得ること
ができる。しかし、安定した効果と、処理の容易
さ等の点からすると、加熱金属型を用いる方法が
好ましい。
本発明の方法は、熱可塑性樹脂材料がポリプロ
ピレンよりなる場合に特に優れた効果が見られる
が、それに限定されるものではなく、広く超音波
接着可能な熱可塑性樹脂材料に対して利用するこ
とができる。
【図面の簡単な説明】
第１図は本発明の方法によつて超音波接着を行
う状態を示す側面図、第２図は凹凸処理の一例を
示す側面図、第３図は凹凸処理したポリプロピレ
ンシートの平面図である。 １……アンビル、２，３……ポリプロピレンシ
ート、２ａ，３ａ……重ね合せ面、２ｂ……凹
み、２ｃ……盛り上り、４……超音波ホーン、５
……加熱金属型、５ａ……突起。

Claims (1)

  1. 【特許請求の範囲】 １ 熱可塑性樹脂材料の重ね合せを超音波ホーン
    で押圧して、重ね合せ面に超音波ホーンで押圧し
    た範囲の溶着を生ぜしめる接着方法において、予
    め接着する重ね合せ面の少くとも一方に、凹みの
    縁に盛り上りが生ずるような凹凸処理を施すこと
    を特徴とする超音波接着方法。 ２ 前記凹凸処理が多くの突起を有する加熱金属
    型の該突起部分を熱可塑性樹脂材料の重ね合せ面
    に喰い込ませる方法である特許請求の範囲第１項
    記載の超音波接着方法。 ３ 前記熱可塑性樹脂材料がポリプロピレンシー
    ト乃至はフイルムである特許請求の範囲第１項ま
    たは第２項記載の超音波接着方法。
JP56172865A 1981-10-30 1981-10-30 超音波接着方法 Granted JPS5874316A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56172865A JPS5874316A (ja) 1981-10-30 1981-10-30 超音波接着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56172865A JPS5874316A (ja) 1981-10-30 1981-10-30 超音波接着方法

Publications (2)

Publication Number Publication Date
JPS5874316A JPS5874316A (ja) 1983-05-04
JPS6152785B2 true JPS6152785B2 (ja) 1986-11-14

Family

ID=15949727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56172865A Granted JPS5874316A (ja) 1981-10-30 1981-10-30 超音波接着方法

Country Status (1)

Country Link
JP (1) JPS5874316A (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0450103Y2 (ja) * 1984-12-28 1992-11-26
JPS62278019A (ja) * 1986-05-26 1987-12-02 Matsushita Electric Works Ltd 成形品の超音波溶着方法
JPH0653389B2 (ja) * 1986-07-10 1994-07-20 トヨタ自動車株式会社 樹脂部品の超音波溶着方法
JPS6396041A (ja) * 1986-10-03 1988-04-26 トタニ技研工業株式会社 プラスチツク袋
JPH0630502Y2 (ja) * 1987-05-23 1994-08-17 イズミ工業株式会社 自動車用サイドバイザー
JPH0615212B2 (ja) * 1987-09-18 1994-03-02 富士写真フイルム株式会社 熱可塑性樹脂部材の積層方法
JPH0567517U (ja) * 1992-06-08 1993-09-07 イズミ工業株式会社 自動車用サイドバイザー
US6066217A (en) * 1998-10-22 2000-05-23 Sonics & Materials, Inc. Method for producing fabric covered panels
JP4797219B2 (ja) * 1999-12-09 2011-10-19 パナソニック株式会社 電池のリード線接続装置
GB2431375B (en) 2005-10-24 2011-03-23 Hunt Tech Ltd Chemical barrier fabric
JP4842074B2 (ja) * 2006-09-28 2011-12-21 ローランド株式会社 鍵盤装置

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