JPH0536813Y2 - - Google Patents

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Publication number
JPH0536813Y2
JPH0536813Y2 JP1987039378U JP3937887U JPH0536813Y2 JP H0536813 Y2 JPH0536813 Y2 JP H0536813Y2 JP 1987039378 U JP1987039378 U JP 1987039378U JP 3937887 U JP3937887 U JP 3937887U JP H0536813 Y2 JPH0536813 Y2 JP H0536813Y2
Authority
JP
Japan
Prior art keywords
anvil
sealing
horn
center
container
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 - Lifetime
Application number
JP1987039378U
Other languages
English (en)
Other versions
JPS63147408U (ja
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
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Priority to JP1987039378U priority Critical patent/JPH0536813Y2/ja
Publication of JPS63147408U publication Critical patent/JPS63147408U/ja
Application granted granted Critical
Publication of JPH0536813Y2 publication Critical patent/JPH0536813Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B29C66/40—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
    • 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
    • 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
    • B29C66/346—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
    • 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
    • B29C66/81427—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 ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/83—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
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • 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

Description

【考案の詳細な説明】 ＜産業上の利用分野＞ 本考案は、角筒（直方体）容器開口部の封着用
の超音波シール装置の改良に関するもので、更に
詳細には上下端開口したスリーブの該開口部を封
着するための超音波シール装置である。
＜従来技術とその問題点＞ 従来、この種の容器の開口部を封着するシール
装置は例えば、実開昭58−79504号のようなもの
が知られている。これは第６図イに示されるよう
に角筒容器ａを形成するためのスリーブｂの天部
開口部ｃ及び底部開口部ｄの封着ひれｅ，e′を素
材表面の熱可塑性樹脂を溶融して、第７図に示す
ようなシールバーｆでヒートシールして第７図ロ
に示すように封着し、同図ハに示す容器ａを得る
ものである。しかし、実開昭58−79504号の方式
では、シールバーｆで封着ひれｅ，e′を封着する
前に封着ひれｅ，e′の内面を予熱する必要があ
り、工程の数の面で問題がある。
そこで上記問題点を解決すべく予熱の必要のな
い超音波シール方式が包装分野で用いられている
が、第６図ハに示すような角筒容器ａに適用する
場合には次のような問題があり、現在まで採用さ
れるに至つていない。つまり、第８図に示すよう
に胴部シール部ｇが封着ひれｅのほぼ中央に位置
しているため段差ｈ，ｉが生じ、超音波ホーンｊ
及びアンビルｋの封着ひれｌとの当接表面に上記
段差に対応した凹凸を設けないと確実な封着がで
きず、また、そのような凹凸をどのような形状、
配列で設けるかによつて接着不良又は表材表面の
熱可塑性樹脂にピンホールが生じるか否かが左右
され、適切な形状、配列の凹凸を設けた超音波シ
ール装置はなかつた。
＜問題点を解決するための手段＞ 本考案は上記従来技術の問題点を解決すべく考
えられたものであり、ホーンとアンビルとから成
る胴部のほぼ中央に重合接着部を有する角筒状の
液体容器の上下端の開口部を封着するための超音
波シール装置において、前記ホーンの被シール部
当接面のほぼ中央に帯状の凸状を設け、アンビル
の被シール部当接面のほぼ中央に前記凸状と直交
する凹溝を設けて成り、該凹溝の底部は二段構造
としてその段差部分及び両端部分をテーパー状と
して、かつ底部中央の端部には側方に張出した鋭
角状の突出傾斜面を設けたことを特徴する液体容
器の超音波シール装置である。
＜作用＞ 本考案は以上の構成になつているので、角筒状
の液体容器の封着部にアンビルとホーンを当てて
発振器を作動させてホーンを発振させると、前記
第６図に示す容器胴部の重合接着部の段差がアン
ビルの凹溝により吸収されるため重合接着部だけ
に大きな力が加わつて素材表面の熱可塑性樹脂が
流動し過ぎてピンホールが生じることがなく、凹
溝のテーパー部分及び鋭角状の突出傾斜面を利用
して溶融した前記熱可塑性樹脂が流動して表材表
面、端面を埋合わせるようになる。
＜実施例＞ 以下、本考案の実施例を図面に基いて説明す
る。まず、第１図に示すようにホーン１とアンビ
ル２とから成り、ホーン１の容器３の胴部の封着
部５（第６図におけるｅに相当）に当接する面の
ほぼ中央に凸条６が設けられ、一方、アンビル２
には封着部５と当接する面のほぼ中央に前記凸条
６と直交する凹溝７が設けられている。
次に前記凸条６、凹溝７について詳しく説明す
ると、まず、凸条６は第２図に示すように、上端
のほぼ中央に平坦部８が形成され、該平坦面８の
両端部から側端９，９にかけて角度の異なる傾斜
面１０，１１が形成されている。傾斜面１０の傾
斜度αは0°〜15°、傾斜面１１の傾斜度βは35°〜
45°が好ましい。
凹溝７の底部には第３図に示すように段差部分
１２及び両側端部分１３，１４が形成されてお
り、段差部分１２及び両側端部分１３，１４に
は、それぞれ傾斜面１５，１６，１７が設けられ
ており、かつ、第４図に示すように中央の傾斜面
１５の端部には側方に張出した鋭角状の突出傾斜
面２１が形成されている。
傾斜面１２の傾斜度γは45°〜60°、傾斜面１３
の傾斜度δは30°〜45°、傾斜面１４の傾斜度εは
30°〜45が好ましい。
次に本実施例の超音波シール装置を第６図に示
される角筒容器ａの開口部ｃ，ｄの封着に用いた
場合について説明すると、第５図に示されるよう
に容器３の封着部５を第６図ロに示す状態に折込
んで胴部の重合接着部４の素材端部１８が露出し
ている側をアンビル２の方に向け、重合により肉
厚となつた（本実施例の場合は最大で約４層の厚
み、最少でも３層の厚み）部分１９，２０がアン
ビル２の凹溝７内に収まるように位置決めし、反
対側からホーン１を封着部５に押し当ててアンビ
ル２とで挟圧して、ホーン１を発振させればよ
い。
この場合、ホーン１の凸条６とアンビル２の凹
溝７の形状の組合わせにより超音波発振により溶
融した素材表面の熱可塑性樹脂が凸条６、凹溝７
のそれぞれの傾斜面１０，１１，１５，１６，１
７及び突出傾斜面２１を伝つて流動することによ
り素材表面を覆い、特に重合接着部外面の熱可塑
性樹脂層のピンホールの発生及び過発振による焦
げ、さらにアルミニウム箔を素材として用いてい
る場合はアルミニウム箔の割れが未然に防止され
る。
＜考案の効果＞ 本考案は以上の構成になつているので、角筒容
器の胴部の重合接着部を有する封着部の封着にお
いて、ホーンの凸条とアンビルの凹溝との相乗作
用、特に凸条、凹溝それぞれに傾斜面を設けてあ
るので、重合接着部の肉厚部が吸収されるととも
に超音波発振時の発熱により溶融した素材表面の
熱可塑性樹脂の流動が良く、ピンホール、焦げ、
割れ等を防止できる。
【図面の簡単な説明】
第１図イ、ロは本考案の概念を示す説明図、第
２図は、本考案の一実施例のホーンの要部側面
図、第３図は同アンビルの要部平面図、第４図は
同要部正面図、第５図は同じく使用状態を示す説
明図、第６図イ、ロ、ハは本考案が適用される角
筒容器の封着工程を示す説明図、第７図は従来技
術を示す説明図、第８図は、他の従来技術を示す
説明図である。 １……ホーン、２……アンビル、３……容器、
４……重合接着部、５……封着部、６……凸条、
７……凹溝、８……平坦部、９……側端、１２…
…段差部分、１３，１４……両側端部分、１０，
１１，１５，１６，１７……傾斜面、１８……素
材端面、１９，２０……肉厚となつた部分。

Claims (1)

    【実用新案登録請求の範囲】
  1. ホーンとアンビルとから成る胴部のほぼ中央に
    重合接着部を有する角筒状の液体容器の上下端の
    開口部を封着するための超音波シール装置におい
    て、前記ホーンの被シール部当接面のほぼ中央に
    帯状の凸状を設け、アンビルの被シール部当接面
    のほぼ中央に前記凸状と直交する凹溝を設けて成
    り、該凹溝の底部は二段構造としてその段差部分
    及び両端部分をテーパー状として、かつ底部中央
    の端部には側方に張出した鋭角状の突出傾斜面を
    設けたことを特徴する液体容器の超音波シール装
    置。
JP1987039378U 1987-03-18 1987-03-18 Expired - Lifetime JPH0536813Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987039378U JPH0536813Y2 (ja) 1987-03-18 1987-03-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987039378U JPH0536813Y2 (ja) 1987-03-18 1987-03-18

Publications (2)

Publication Number Publication Date
JPS63147408U JPS63147408U (ja) 1988-09-28
JPH0536813Y2 true JPH0536813Y2 (ja) 1993-09-17

Family

ID=30852483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987039378U Expired - Lifetime JPH0536813Y2 (ja) 1987-03-18 1987-03-18

Country Status (1)

Country Link
JP (1) JPH0536813Y2 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3904675B2 (ja) * 1997-07-14 2007-04-11 テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム チューブ状容器材料を横断方向にシールする超音波シール装置
JP4282179B2 (ja) 1999-09-30 2009-06-17 四国化工機株式会社 超音波シール装置
JP4603122B2 (ja) * 2000-02-23 2010-12-22 四国化工機株式会社 超音波シール装置
TW503203B (en) * 2000-03-13 2002-09-21 Fujishiro Kabushiki Kaisha Packed article, apparatus and method for making the same
DE102014015958A1 (de) * 2014-10-31 2016-05-04 Sig Technology Ag Vorrichtung, insbesondere zum Verschließen eines Kopfbereichs eines Nahrungsmittel-behälters, aus einem Laminat mit geschältem und umgeschlagenen Randbereich

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822895U (ja) * 1981-08-04 1983-02-12 日本鋼管株式会社 差動トランス形コントロ−ラ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822895U (ja) * 1981-08-04 1983-02-12 日本鋼管株式会社 差動トランス形コントロ−ラ

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Publication number Publication date
JPS63147408U (ja) 1988-09-28

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