JPS5822894Y2 - カ−トン容器の超音波シ−ル装置 - Google Patents

カ−トン容器の超音波シ−ル装置

Info

Publication number
JPS5822894Y2
JPS5822894Y2 JP1979029069U JP2906979U JPS5822894Y2 JP S5822894 Y2 JPS5822894 Y2 JP S5822894Y2 JP 1979029069 U JP1979029069 U JP 1979029069U JP 2906979 U JP2906979 U JP 2906979U JP S5822894 Y2 JPS5822894 Y2 JP S5822894Y2
Authority
JP
Japan
Prior art keywords
anvil
carton container
contact surface
horn
sealing device
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
JP1979029069U
Other languages
English (en)
Other versions
JPS55129606U (ja
Inventor
一郎 池内
美光 筒井
光晴 日野
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1979029069U priority Critical patent/JPS5822894Y2/ja
Publication of JPS55129606U publication Critical patent/JPS55129606U/ja
Application granted granted Critical
Publication of JPS5822894Y2 publication Critical patent/JPS5822894Y2/ja
Expired 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
    • B29C66/346—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration
    • 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
    • B29C66/11—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
    • B29C66/10—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
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed 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
    • B29C66/10—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
    • B29C66/135—Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • B29C66/1352—Single hem to hem 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
    • B29C66/40—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
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43122—Closing the top of gable top containers
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29C66/81—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
    • B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and 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
    • B29C66/80—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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/71—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)

Description

【考案の詳細な説明】 本考案は、カートン容器のシール部分を溶着シールする
超音波シール装置の改良に関するものである。
近年、ジュース、清酒等の浸透性の強い液体を対象にし
、構成が、ポリエチレン、板紙、ポリエチレン、アルミ
箔、ポリエチレンの５層からなる材料を用いたカートン
容器が市場に出廻っているが、該材料のうち、内外面の
ポリエチレンは、サーモプラスチック材料で、十分溶融
する熱を加えられ、その後冷却されることによって溶着
する性質をもっており、このようなカートン容器のシー
ル部分の溶着シールには第１図に示すような超音波シー
ル装置が用いられている。
第１図において、１は振動ホーンで、その先端部にはカ
ートン容器との接触面２が形成され超音波振動子３に連
結されており、該超音波振動子３により約２００００ヘ
ルツの周波数で振動されるようになっている。
４はアンビルで、その先端部にはカートン容器との接触
面５が形成され、エアシリンダ６により矢印１７方向へ
移動されるようになっている。
超音波振動子３及びエアシリンダ６は図示されていない
機体本体に取付けられていて、カートン容器保持枠７及
び８を有する一対のチェーンコンベア９及び１０により
、液体が充填され、端部閉込み部分が閉込まれたカート
ン容器１１が、所定の位置へ送られてくると、図示され
ていない制御装置の指令により、エアシリンダ６が作動
し、カートン容器１１のシール部分１２を振動ホーン１
の接触面２と、アンビル４の接触面５との間に適当な圧
力をかけてはさみ込み、ついで、振動ホーン１が超音波
振動子３によって所要時間振動し、シール部分１２のポ
リエチレンを溶融する。
振動ホーン１は所要時間振動した後停止するが、上記し
た圧力でシール部分１２を所要時間はさみ込んだままに
しておくと、溶融したポリエチレンは冷却硬化し、溶着
シールされる。
そして溶着シールが終了すると、アンビル４はエアシリ
ンダ６の作動により後退させられ、続いてカートン容器
１１は次工程へ送られる。
なお上記構成においては、アンビル４を移動できるよう
にしているが、振動ホーン１を移動するようにしてもよ
く、又、両方を移動するようにしてもよい。
以上のような超音波シール装置においては、従来、第２
図及び第３図に示すように振動ホーン１の接触面２又は
アンビル４の接触面５の少なくとも一方（本例ではアン
ビル４の接触面５）の接触面にカートン容器１１のシー
ル部分１２の肉厚の変動に対応するように四部５ａ及び
５ｂを設け、シール部分１２全面を同時に加圧して超音
波振動を受けたとき発生する熱量が同等となるようにす
ることが知られている。
これは、この種のカートン容器１１は成形時第４図に示
すようにフラップ１３をパネル内面に折り込で溶着シー
ルしており、さらにこのカートン容器の端部を閉込んで
シール部分１２を形成すると第５図に示すように、４枚
重ねの部分Ａと、６枚重ねの部分Ｂと、５枚重ねの部分
Ｃとが生じて、肉厚が変動し、例えばＡ部分が丁度良好
なシール状態となるように圧力をかけてはさむと、Ｂ部
分及びＣ部分は過度の熱エネルギーを受けて焦げが発生
するので、これを防止するためである。
しかし、上記したように振動ホーン又はアンビルの接触
面に四部を設けで、同等の発熱作用を受けるようにして
も、カートン容器１１は、その成形特、上記のように、
予めフラップ１３をパネルの内面に折込んで溶着シール
しているので、この際第６図に示すようにフラップ付近
１４のポリエチレンが一旦溶融して流れ、ポリ手チレン
の層が薄くなると共、に発熱作用を受けて、ポリエチレ
ンが劣化した変質部分となっているため、シール部分１
２を溶着シールするとき、この部分の熱量が不足ぎみと
なり、シールが不充分となる傾向があり、その結果、シ
ール不良部から浸透性の強い中味の液体が漏洩し、カビ
の発生等の問題点があった。
本考案は上記した点に鑑み提案されたものでカートン容
器のシール部分を溶着シールする超音波シール装置にお
いて、前記カートン容器のシール部分におけるカートン
容器成形時の溶着シールによる変質部分に対応するアン
ビル又はホーンの少なくともブ方の接触面に適当な幅と
高さをもつ突起部を設けたことを特徴とし、その目的と
するところはカートン容器のシール部分の゛シール性を
向上させることのできるカートン容器の超音波シール装
置を提供しようとするものである。
本考案は上記したように構成されているため、アンビル
とホーンとによりシール部分をはさみ込んだ際、変質部
分は突起部により他の部分より僅かに強く加圧され、ホ
ーンの振動時僅かに過熱気味に発熱作用を受ける。
従って、確実に溶融されてポリエチレンの劣化を補うこ
とができるので、シール性を向上させることができる。
以下本考案の一実施例を第７図に基づいて説明する。
２１は振動ホーン、２２は振動ホーン２１の先端接触面
、２３はアンビル、２４はアンビル２３の先端接触面で
あり、アンビル２３の接触面２４には従来のものと同様
カートン容器２５のシール部分２６の肉厚の変動に対応
する凹部２４ ａ 、２４ ｂが設けられている。
一方ホーン２１の接触面２２には、シール部分２６の変
質部分２７、すなわちカートン容器２５の成形特、予め
パネル内面に溶着シールされたフラップ２８付近と対応
する位置に幅Ｌ、高さＨの突起部２２ ａが設けられて
いる。
この突起部２２ ａの幅及び高さは本実施例ではＬ半１
０ ｍｍ、 Ｈ−：０．０２乃至０．２ｍｍで゛あり、
アンビル２３の凹部２４ ａと幅方向で長さｌ（約２乃
至５ｍｍ）だけラップしている。
上記構成において第７図はホーン２１とアンビル２３が
離れた位置にありカートン容器２５が、所定位置に送ら
れてきて停止すると、アンビル２３又はホーン２１の少
なくとも一方が移動してシール部分２６をはさみ、適当
な圧力で加圧し、ついでホーン２１の超音波振動を受け
てシール部分２６は発熱する。
この際、シール部分２６の変質部分２７は突起部２２
ａとアンビル２３とによりはさまれて、他の部分より僅
かに強く加圧され、このため、他の部分より僅かに過熱
気味に発熱作用を受けるので、ポリエチレンの劣化を補
い、確実に溶着シールされてシール不良の発生を防止す
ることができる。
なお、突起部２２ ａの幅、高さは、カートン容器の大
きさ等により適当な値に設定されるものとする。
また、上記実施例ではホーン２１の接触面２２に突起部
２２ ａを設けているがアンビル２３の接触面２４に同
様の突起部を設けても上記実施例と同様の効果を得るこ
とができることはもちろんである。
【図面の簡単な説明】
第１図は従来の超音波シール装置の一例を示す正面図、
第２図はシール状態を示す部分平面図、第３図はアンビ
ルの接触面を示す側面図、第４図はカートン容器の横断
面図、第５図はカートン容器のシール部分を示す平面図
、第６図は第４図のＸ−Ｘ矢視図、第７図は本考案の一
実施例を示す要部平面図である。 ２１・・・・・・ホーン、２２・・・・・・ホーンの接
触面、２２ａ・・・・・・突起部、２３・・・・・・ア
ンビル、２４・・・・・・アンビルの接触面、２５・・
・・・・カートン容器、２６・・・・・・シール部分、
２７・・・・・・変質部分、Ｌ・・・・・・突起部の幅
、Ｈ・・・・・・突起部の高さ。

Claims (1)

    【実用新案登録請求の範囲】
  1. カートン容器のシール部分を溶着シールする超音波シー
    ル装置において、前記カートン容器のシール部分におけ
    るカートン容器成形時の溶着シールによる変質部分に対
    応するアンビル又はホーンの少なくとも一方の接触面に
    適当な幅と高さをもつ突起部を設けたことを特徴とする
    カートン容器の超音波シール装置。
JP1979029069U 1979-03-07 1979-03-07 カ−トン容器の超音波シ−ル装置 Expired JPS5822894Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979029069U JPS5822894Y2 (ja) 1979-03-07 1979-03-07 カ−トン容器の超音波シ−ル装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979029069U JPS5822894Y2 (ja) 1979-03-07 1979-03-07 カ−トン容器の超音波シ−ル装置

Publications (2)

Publication Number Publication Date
JPS55129606U JPS55129606U (ja) 1980-09-12
JPS5822894Y2 true JPS5822894Y2 (ja) 1983-05-16

Family

ID=28876200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979029069U Expired JPS5822894Y2 (ja) 1979-03-07 1979-03-07 カ−トン容器の超音波シ−ル装置

Country Status (1)

Country Link
JP (1) JPS5822894Y2 (ja)

Also Published As

Publication number Publication date
JPS55129606U (ja) 1980-09-12

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