JPH0494920A - Welding method for plastic member - Google Patents

Welding method for plastic member

Info

Publication number
JPH0494920A
JPH0494920A JP2212094A JP21209490A JPH0494920A JP H0494920 A JPH0494920 A JP H0494920A JP 2212094 A JP2212094 A JP 2212094A JP 21209490 A JP21209490 A JP 21209490A JP H0494920 A JPH0494920 A JP H0494920A
Authority
JP
Japan
Prior art keywords
welding
flange
cover
melt
appearance
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
JP2212094A
Other languages
Japanese (ja)
Inventor
Tomohiro Kosaka
智洋 小坂
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP2212094A priority Critical patent/JPH0494920A/en
Publication of JPH0494920A publication Critical patent/JPH0494920A/en
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
    • B29C66/324—Avoiding burr formation
    • 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
    • B29C66/11—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
    • 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
    • B29C66/13—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
    • 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
    • B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
    • B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
    • B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
    • B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
    • 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
    • B29C66/53—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
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • B29C66/542—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 joining hollow covers or hollow bottoms to open ends of container bodies
    • 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
    • B29C66/73—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To obtain the welded material excellent in appearance by providing a flow preventive wall for melt to at least one side of two pieces of plastic member in the case of welding these plastic members by ultrasonic wave. CONSTITUTION:For example, in the case of welding both the main body 1 of a vessel and the cover 2 thereof by ultrasonic wave, a flow preventive wall 6 for melt 5 is formed to the cover 2 or the whole external periphery of a flange 3. The cover 2 is placed on the flange 3 of the vessel main body 1 and ultrasonic wave treatment is performed. A welding rib provided to the inside of the cover 2 is melted and this cover 2 and the flange 3 are welded. At this time, outflow of melt 5 is inhibited by the flow preventive wall 6 and appearance of the vessel is not deteriorated.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明はプラスチック部材の溶着方法に関し、更に詳し
くは外観の良い各種溶着成形物を与えるプラスチック部
材の溶着方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for welding plastic members, and more particularly to a method for welding plastic members that provides various welded molded products with good appearance.

（従来の技術及びその問題点） 従来、第１図示の如きプラスチック製のジュース容器等
において、本体１と蓋２とを超音波により溶着シールす
る場合には、第２図示の様に容器本体１のフランジ３に
蓋２を重ね、フランジ３又は蓋２の内面に溶着リブ４を
設け、この溶着リブ４が超音波の振動によって溶融して
フランジ３と蓋２とを溶着させているが、この際第３図
示の様に溶着リブ４の溶融物５が溶着部の端部から流れ
出して固化し、外観を悪化させるという問題がある。(Prior art and its problems) Conventionally, when welding and sealing the main body 1 and the lid 2 using ultrasonic waves in a plastic juice container as shown in the first drawing, the container main body 1 as shown in the second drawing is The lid 2 is stacked on the flange 3 of the flange 3, and a welding rib 4 is provided on the inner surface of the flange 3 or the lid 2, and the welding rib 4 is melted by ultrasonic vibration to weld the flange 3 and the lid 2. However, as shown in Figure 3, there is a problem in that the molten material 5 of the welded rib 4 flows out from the end of the welded portion and solidifies, deteriorating the appearance.

この様な問題は容器に限らず、２個のプラスチック部材
を超音波シールする場合に常に生じる問題である。Such problems are not limited to containers, but always occur when two plastic members are ultrasonically sealed.

従って、本発明の目的は、上記従来技術の問題点を解決
し、外観に優れたプラスチック溶着物を提供することが
出来る溶着方法を提供することである。Therefore, an object of the present invention is to provide a welding method capable of solving the problems of the prior art described above and providing a plastic welded product with an excellent appearance.

（問題点を解決する為の手段） 上記目的は以下の本発明によって達成される。(Means for solving problems) The above objects are achieved by the present invention as described below.

即ち、本発明は、２個のプラスチック部材を超音波によ
り溶着する方法において、少な（とも−方のプラスチッ
ク部材に溶融物の流れ防止壁を設けたことを特徴とする
プラスチック部材の溶着方法である。That is, the present invention is a method for welding two plastic members using ultrasonic waves, which is characterized in that a wall for preventing the flow of melt is provided on one of the plastic members. .

（作　　用） ２個のプラスチック部材を超音波により溶着する際、少
なくとも一方のプラスチック部材に溶融物の流れ防止壁
を設けることによって、外観に優れたプラスチック溶着
物を容易に提供することが出来る。(Function) When two plastic members are welded using ultrasonic waves, a welded plastic product with excellent appearance can be easily provided by providing a wall for preventing the flow of melt on at least one of the plastic members.

（実施例） 次に図面に示す実施例により本発明を更に詳しく説明す
る。(Example) Next, the present invention will be explained in more detail with reference to Examples shown in the drawings.

第１図は本発明方法をポリプロピレン製ジュース容器の
本体ｌと蓋２との溶着に応用した場合の容器の外観を示
す図である。FIG. 1 is a diagram showing the appearance of a polypropylene juice container when the method of the present invention is applied to welding the main body 1 and the lid 2 of the container.

上記容器の本体１と蓋２とを超音波で溶着する場合、第
４図示の様に、蓋２の外周全体に溶融物５の流れ防止壁
６を形成する。かかる１１！２を容器本体１のフランジ
３に載せ、超音波処理することによって、蓋２の内側に
設けられた溶着リブ４が振動し且つフランジ３との摩擦
熱によって溶着リブ４が溶融し、ｌＩ２とフランジ３と
が溶着される。この場合、防止壁６が存在しないと第３
図示の如く溶融物５が蓋２とフランジ３との隙間から流
れ出して容器の外観を悪化させるが、本発明の場合には
、第４図示の様に溶融物５は流れ防止壁６によって流出
が抑えられ、外観を悪化させることがない。When the main body 1 and the lid 2 of the container are welded using ultrasonic waves, a wall 6 for preventing the flow of the melt 5 is formed around the entire outer periphery of the lid 2, as shown in the fourth figure. By placing such 11!2 on the flange 3 of the container body 1 and subjecting it to ultrasonic treatment, the welding ribs 4 provided on the inside of the lid 2 vibrate, and the welding ribs 4 are melted by the frictional heat with the flange 3. lI2 and flange 3 are welded together. In this case, if the prevention wall 6 does not exist, the third
As shown in the figure, the melt 5 flows out from the gap between the lid 2 and the flange 3 and deteriorates the appearance of the container, but in the case of the present invention, the melt 5 is prevented from flowing out by the flow prevention wall 6 as shown in the fourth figure. It is suppressed and does not deteriorate the appearance.

第５図示の例はフランジ３側に防止壁６を設けた例であ
り、上記と同様の機構によって容器の外観の低下が有効
に防止される。The example shown in Figure 5 is an example in which a prevention wall 6 is provided on the flange 3 side, and the same mechanism as above effectively prevents deterioration of the appearance of the container.

以上の例は、ジュースの容器の例であるが、本発明はジ
ュース容器に限定されず、その他の食品容器、複写機の
トナーの容器等、密着性が要求される各種の容器、更に
は磁気テープ、フロッピーデスク、各種プリンターのイ
ンキリボンのカセット等、種々のプラスチック成形物の
溶着にも同様に優れた効果を奏する。Although the above example is an example of a juice container, the present invention is not limited to juice containers, and can be applied to other food containers, toner containers for copying machines, and other containers that require good adhesion. It is equally effective in welding various plastic molded items such as tapes, floppy desks, and ink ribbon cassettes for various printers.

又、本発明方法が適用されるプラスチック部材はポリス
チレン、ポリプロピレン、ポリ塩化ビニル、ポリエステ
ル、アクリル樹脂、ポリアミド樹脂等、熱によって溶融
接着する材料であればよ（特に限定されない。Moreover, the plastic member to which the method of the present invention is applied may be any material that can be melted and bonded by heat, such as polystyrene, polypropylene, polyvinyl chloride, polyester, acrylic resin, polyamide resin (there are no particular limitations).

又、本発明において使用する超音波溶着方法自体は公知
の方法であり、例えば、上記実施例のポリプロピレン製
容器の場合には、ウェルド（シール）時間０．９秒、ホ
ールド（冷却保持）時間０．５秒及び圧力５０ｐｓｉ／
１ｎｃｈ等の溶着条件によって容易に２個の部材を溶着
させることが出来る。Further, the ultrasonic welding method itself used in the present invention is a known method. For example, in the case of the polypropylene container of the above example, the weld (seal) time is 0.9 seconds and the hold (cooling retention) time is 0. .5 seconds and pressure 50psi/
Two members can be easily welded under welding conditions such as 1 nch.

（効　　　果） 以上の如き本発明によれば、２個のプラスチック部材を
超音波により溶着する際、少なくとも一方のプラスチッ
ク部材に溶融物の流れ防止壁を設けることによって、外
観に優れたプラスチック溶着物を容易に提供することが
出来る。(Effects) According to the present invention as described above, when two plastic members are welded using ultrasonic waves, at least one of the plastic members is provided with a wall to prevent the flow of melt, thereby producing a plastic weld with an excellent appearance. can be easily provided.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明方法を適用した容器の外観を、第２図及
び第３図は従来方法を、第４図及び第５図は本発明方法
を図解的に説明する図である。 ５：溶融物 ６：防止壁 ７：プルタブ 特許出願人　　大日本印刷株式会社 代理人　弁理士　吉　１）勝　広　他１名ｌ：容器本体
　　　　２：蓋 ３：フランジ　　　　４：溶着リブFIG. 1 shows the external appearance of a container to which the method of the present invention is applied, FIGS. 2 and 3 illustrate the conventional method, and FIGS. 4 and 5 illustrate the method of the present invention. 5: Melt 6: Preventing wall 7: Pull tab patent applicant Dai Nippon Printing Co., Ltd. Representative Patent attorney Yoshi 1) Katsuhiro and 1 other person 1: Container body 2: Lid 3: Flange 4: Welding rib

Claims (1)

【特許請求の範囲】[Claims] （１）２個のプラスチック部材を超音波により溶着する
方法において、少なくとも一方のプラスチック部材に溶
融物の流れ防止壁を設けたことを特徴とするプラスチッ
ク部材の溶着方法。(1) A method for welding two plastic members using ultrasonic waves, characterized in that at least one of the plastic members is provided with a wall to prevent the flow of melt.
JP2212094A 1990-08-11 1990-08-11 Welding method for plastic member Pending JPH0494920A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2212094A JPH0494920A (en) 1990-08-11 1990-08-11 Welding method for plastic member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2212094A JPH0494920A (en) 1990-08-11 1990-08-11 Welding method for plastic member

Publications (1)

Publication Number Publication Date
JPH0494920A true JPH0494920A (en) 1992-03-27

Family

ID=16616779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2212094A Pending JPH0494920A (en) 1990-08-11 1990-08-11 Welding method for plastic member

Country Status (1)

Country Link
JP (1) JPH0494920A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008265214A (en) * 2007-04-24 2008-11-06 Matsushita Electric Works Ltd Method of welding synthetic resin molding
WO2015104888A1 (en) * 2014-01-08 2015-07-16 株式会社大塚製薬工場 Cap
CN106626402A (en) * 2016-10-27 2017-05-10 苏州百安思家庭用品有限公司 Technology for welding vacuum cup lid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008265214A (en) * 2007-04-24 2008-11-06 Matsushita Electric Works Ltd Method of welding synthetic resin molding
WO2015104888A1 (en) * 2014-01-08 2015-07-16 株式会社大塚製薬工場 Cap
CN106626402A (en) * 2016-10-27 2017-05-10 苏州百安思家庭用品有限公司 Technology for welding vacuum cup lid

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