JPS6220893B2 - - Google Patents

Info

Publication number
JPS6220893B2
JPS6220893B2 JP57043499A JP4349982A JPS6220893B2 JP S6220893 B2 JPS6220893 B2 JP S6220893B2 JP 57043499 A JP57043499 A JP 57043499A JP 4349982 A JP4349982 A JP 4349982A JP S6220893 B2 JPS6220893 B2 JP S6220893B2
Authority
JP
Japan
Prior art keywords
rib
groove
tip
ribs
melted
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
JP57043499A
Other languages
English (en)
Other versions
JPS58160115A (ja
Inventor
Kazumi Teratani
Akira Asai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57043499A priority Critical patent/JPS58160115A/ja
Publication of JPS58160115A publication Critical patent/JPS58160115A/ja
Publication of JPS6220893B2 publication Critical patent/JPS6220893B2/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
    • B29C66/50—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
    • 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
    • B29C66/1244—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12441—Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being a single wall
    • 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
    • B29C66/01—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
    • B29C66/80—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

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に関し、熱可塑性樹脂
からなる２つの物体を安定に接着するようにした
ものである。
従来、熱可塑性樹脂からなる２つの物体を超音
波溶着する場合には、第１図に示すように一方の
物体１の先端に小さな突起１ａを設け、これを他
方の物体２に圧接して超音波により突起１ａを溶
融させて接着していた。
ところがこの方法では、突起１ａが超音波によ
り溶融する際に、超音波振動により空気を巻きこ
み、小さな気泡の混入した接着層が形成される。
このため接着強度は混入した気泡の量により変化
し、安定した接着強度が得にくいという問題があ
つた。
本発明はこのような従来の問題を解決する超音
波接着方法を提供するものである。
以下本発明の一実施例を第２図〜第３図ととも
に説明する。第２図から明らかなように、熱可塑
性樹脂からなる第１の物体３にはリブ３ａが設け
られており、同じく熱可塑性樹脂からなる第２の
物体４には上記リブ３ａよりわずかに幅の広い溝
４ａが設けられている。
ここでリブ３ａを溝４ａに挿入して第３図ａの
矢印方向に加圧しながら超音波を加えると、リブ
３ａの先端付近および溝４ａの当接面付近が摩擦
熱により発熱、溶融すると共に、先端部に発生し
た熱は、伝導によりリブ３ａおよび溝４ａの当接
面近傍を軟化させる。そして、リブ３ａに圧力が
加わつているため、リブ３ａ先端溶融部および軟
化部が、第３図ｂに示すように座屈拡大する。同
様に溝４ａの当接面も摩擦熱により軟化し、座屈
拡大したリブ３ａの先端と相対する形状に形成さ
れる。一方摩擦熱により溶融したリブ３ａおよび
溝４ａの１部は前述したリブ３ａの座屈拡大の際
に押し出され、熱影響を受けていないリブ３ａと
溝４ａの隙間に流れこみ第３図ｃに示すようにリ
ブ３ａの先端の座屈拡大した部分を包みこみ、冷
却固化したとき、２つの物体３，４があり溝接合
でしつかりと結合される。
以上のように本発明によれば、熱可塑性樹脂か
らなる２つの物体のうち一方の物体にリブを他方
の物体に上記リブよりわずかに大きい溝を設け、
上記リブを上記溝に挿入して超音波を加えながら
加圧することにより、上記リブと上記溝の当接部
を加熱溶融し、上記リブの先端の溶融した部分を
拡大させるとともに、この拡大した部分の上方に
上記溝の内面の溶融した樹脂を流しこむようにし
たので２つの部材の結合強度を著しく大きくする
ことができる。
【図面の簡単な説明】
第１図は従来例の断面図、第２図は本発明の一
実施例の断面図、第３図ａ，ｂ，ｃはその接着状
態を示す断面図である。 ３……第１の物体、３ａ……リブ、４……第２
の物体、４ａ……溝。

Claims (1)

    【特許請求の範囲】
  1. １ 熱可塑性樹脂からなる２つの物体のうち一方
    の物体にリブを他方の物体に上記リブよりわずか
    に大きい溝を設け、上記リブを上記溝に挿入して
    超音波を加えながら加圧することにより、上記リ
    ブと上記溝の当接部を加熱溶融し、上記リブの先
    端の溶融した部分を拡大させるとともに、この拡
    大した部分の上方に上記溝の内面の溶融した樹脂
    を流しこむようにした超音波接着方法。
JP57043499A 1982-03-17 1982-03-17 超音波接着方法 Granted JPS58160115A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57043499A JPS58160115A (ja) 1982-03-17 1982-03-17 超音波接着方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57043499A JPS58160115A (ja) 1982-03-17 1982-03-17 超音波接着方法

Publications (2)

Publication Number Publication Date
JPS58160115A JPS58160115A (ja) 1983-09-22
JPS6220893B2 true JPS6220893B2 (ja) 1987-05-09

Family

ID=12665402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57043499A Granted JPS58160115A (ja) 1982-03-17 1982-03-17 超音波接着方法

Country Status (1)

Country Link
JP (1) JPS58160115A (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57204117U (ja) * 1981-06-19 1982-12-25

Also Published As

Publication number Publication date
JPS58160115A (ja) 1983-09-22

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