JPH0716955A - 液体用紙容器のための口栓取付方法および口栓取付装置 - Google Patents

液体用紙容器のための口栓取付方法および口栓取付装置

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Publication number
JPH0716955A
JPH0716955A JP5189349A JP18934993A JPH0716955A JP H0716955 A JPH0716955 A JP H0716955A JP 5189349 A JP5189349 A JP 5189349A JP 18934993 A JP18934993 A JP 18934993A JP H0716955 A JPH0716955 A JP H0716955A
Authority
JP
Japan
Prior art keywords
paper container
liquid paper
stopper
container
welding
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
JP5189349A
Other languages
English (en)
Inventor
Kenji Kigoshi
健二 木越
Tetsuya Shimofuku
哲也 下福
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 JP5189349A priority Critical patent/JPH0716955A/ja
Publication of JPH0716955A publication Critical patent/JPH0716955A/ja
Pending 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
    • B29C66/50—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
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53245—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow
    • B29C66/53246—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers
    • B29C66/53247—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being hollow said single elements being spouts, e.g. joining spouts to containers said spouts comprising flanges
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
    • B29C65/7838—Positioning the parts to be joined, e.g. aligning, indexing or centring from the inside, e.g. of tubular or hollow 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • 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
    • B29C66/13—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
    • B29C66/50—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
    • 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
    • B29C66/63—Internally supporting the article during joining
    • 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
    • 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
    • B29C66/73—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)

Abstract

(57)【要約】 【目的】 超音波振動による液体用紙容器への口栓の取
り付けに要する時間を短縮するとともに、口栓取り付け
のための機構を簡素化してコストを低減し、かつ、口栓
がずれたり外れたりするようなトラブルを減少させる。 【構成】 内面が熱溶着性合成樹脂にて被覆されたブラ
ンクからなる液体用紙容器の組立工程において、筒貼り
し底部を組み立てた紙容器１０を口栓溶着部に移送し
て、その内面より口栓２０を装着し、この紙容器１０に
対しエアシリンダ７で駆動する揺動式の受け部材６を回
転挿入して、該受け部材６により口栓２０の取付座部を
紙容器１０の内面に固定保持するとともに、この受け部
材６の動作と同期してホーン５を前方に移動させ、紙容
器１０の口栓差込孔１１周縁を外面より押圧しながら超
音波振動を加えて口栓２０の取付座部を紙容器１０の内
面に溶着する。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は牛乳，ジュース，酒その
他の液体内容物を充填する液体用紙容器に口栓を取り付
ける方法および装置に関するものである。
【０００２】
【従来の技術】内面が熱溶着性合成樹脂にて被覆された
ブランクからなる液体用紙容器に口栓を取り付ける方法
として、特公昭６０−５０１３９号公報や特開昭６１−
１０４８３３号公報に記載されているように、液体用容
器の内面に合成樹脂製口栓を装着し、容器外面より超音
波振動を作用させることによって口栓を液体用紙容器の
内面に溶着させて取り付けるようにするものが従来から
知られている。
【０００３】この従来の方法によれば、口栓の取り付け
は紙容器組立工程において行われ、筒貼りされて供給さ
れた紙容器の底部を組み立てる容器底部組立の段階と、
底部が組み立てられた紙容器に口栓を供給し装着する口
栓供給の段階と、装着された口栓を紙容器に溶着させて
取り付ける口栓溶着の段階に分かれる。その内の口栓溶
着の段階を図５によってつぎに説明する。
【０００４】図５において、１は紙容器、２は口栓であ
り、３は支板、４は受け治具、５は超音波発振器のホー
ンである。図５の（ａ）は、前段階において口栓２が装
着され保持枠（図示せず）により保持された紙容器１が
口栓溶着部に移送された状態を示す。
【０００５】紙容器１が口栓溶着部に移送され、図５の
（ａ）の状態に位置決めされると、下方のエアシリンダ
（図示せず）の作用によって（ｂ）に示すように支板３
が持ち上がることにより、紙容器１は押し上げられ、受
け治具４の外周に挿嵌される。このとき、口栓２はホー
ン５の先端と対峙する位置にある。
【０００６】紙容器１が図５の（ｂ）の状態に押し上げ
られ、口栓２がホーン５の先端と対峙すると、側方のエ
アシリンダ（図示せず）の作用によって（ｃ）に示すよ
うにホーン５が紙容器１の方向に移動してホーン５の先
端凹陥部が口栓２に嵌合する。そして、この状態で、ホ
ーン５の周縁端部により紙容器１の口栓差込孔周縁が外
面から押圧されて超音波振動が加えられ、それによって
口栓の取付座部が紙容器１の内面に溶着される。
【０００７】口栓２が紙容器１に溶着されると、側方の
エアシリンダの作用により図５の（ｄ）に示すようにホ
ーン５は元の位置に戻る。そして、下方のエアシリンダ
の作用により支板３が下降し、（ｅ）に示すように紙容
器１は元の位置に戻る。これで口栓溶着の段階は完了
し、紙容器１は次工程へ送られる。
【０００８】
【発明が解決しようとする課題】液体用紙容器の口栓を
超音波振動を利用して溶着させる場合に、従来の方法で
は上述のように口栓溶着部に移送した紙容器を受け治具
に挿嵌するためエアシリンダーを用いて上昇させ、溶着
完了後は元の位置まで下降させるといった上下運動が必
要であって、そのため、口栓溶着に時間がかかるほか、
装置の機構が複雑となり、また、紙容器を上昇させる時
に口栓がずれたり外れたりするようなトラブルが発生す
ることがある。
【０００９】本発明はこのような問題点に鑑みてなされ
たものであって、超音波振動による液体用紙容器への口
栓の取り付けに要する時間を短縮するとともに、口栓取
り付けのための機構を簡素化してコストを低減し、か
つ、口栓がずれたり外れたりするようなトラブルを減少
させることを目的とする。
【００１０】
【課題を解決するための手段】本発明は、内面が熱溶着
性合成樹脂にて被覆されたブランクからなる液体用紙容
器の内面に合成樹脂製口栓を装着し、容器外面より超音
波振動を作用させることにより該口栓を液体用紙容器の
内面に溶着させて取り付ける液体用紙容器のための口栓
取付方法を改善するものであって、紙容器組立工程にお
いて内面より口栓が装着された状態で口栓溶着部に平行
移送された液体用紙容器に対し上方より押圧部材を挿入
して口栓の取付座部を液体用紙容器の内面に固定保持
し、同時に該液体用紙容器の口栓差込孔周縁を外面より
押圧しつつ超音波振動を作用させて口栓の取付座部を液
体用紙容器の内面に溶着させる口栓取付方法を提供す
る。
【００１１】また、本発明は、上記方法に使用する口栓
取付装置を提供するものであって、該口栓取付装置の構
成は、紙容器組立工程において口栓溶着部に平行移送さ
れた液体用紙容器の口栓差込孔に対向する位置に超音波
発振器のホーンを配置するとともに、前記口栓溶着部の
上方に、エアシリンダにより駆動され前記ホーンと協動
して液体用紙容器の内部に入り前記口栓の取付座部を液
体用紙容器内面に固定保持する揺腕式の受け部材を設け
たことを特徴とする。
【００１２】
【作用】本発明の口栓取付方法によれば、紙容器組立工
程において口栓溶着部に平行移送された液体用紙容器の
内面に口栓が装着される。そして、その液体用紙容器に
対して上方より受け部材が挿入され、該受け部材により
口栓の取付座部が紙容器の内面に固定保持され、同時に
紙容器の口栓差込孔周縁が外面より押圧されて超音波振
動が加えられ、口栓の取付座部が液体用紙容器の内面に
溶着される。
【００１３】また、本発明の口栓取付装置において、超
音波発振器のホーンは口栓溶着部に移送された液体用紙
容器の口栓差込孔に対向する位置に配置される。また、
揺腕式の受け部材がエアシリンダにより駆動され前記ホ
ーンと協動して液体用紙容器の内部に入り、それによ
り、口栓の取付座部が液体用紙容器の内面に固定保持さ
れ。そして、この状態でホーンを介し紙容器の口栓差込
孔周縁に超音波振動が加えられる。
【００１４】
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。
【００１５】図１は本発明の一実施例における液体用紙
容器の口栓を取り付けた状態の斜視図、図２は図１のＡ
−Ａ断面図である。この実施例において液体用紙容器１
０は、紙を基材としてその内面にアルミニウムのラミネ
ート，コーティングあるいは蒸着層を設けたうえ、最内
面に熱溶着性合成樹脂のラミネートあるいはコーティン
グ層を設け、外面に合成樹脂のラミネートあるいはコー
ティング層を設けたブランクにより構成されたものであ
る。また、口栓２０は、紙容器１０の口栓差込孔１１に
内面より差し込まれる筒部２１と、その内端側を閉じる
薄膜部２２と、筒部２１の内端周縁に張り出す取付座部
２３とからなる合成樹脂の一体成形品であって、薄膜部
２２には環状の薄肉部２４が形成されるとともに、この
薄肉部２４を引き裂くためのプルリング２５が形成され
ている。
【００１６】図３はこの実施例における口栓取付方法を
示している。図３において、５は超音波発振器のホー
ン、６は揺腕式の受け部材、７は受け部材６を駆動する
受け部材移動用エアシリンダである。この実施例では、
紙容器組立工程において筒貼りされ底部が組み立てられ
た後口栓溶着部に移送された紙容器１０の内面に、それ
自体周知の別途手段によって口栓２０が装着され、図３
の（ａ）に示す状態にセットされる。この時、ホーン５
は口栓２０の先端と対峙する後退位置にある。そして、
この紙容器１０に対しエアシリンダ７により駆動されて
上方より図３の（ｂ）に示すように受け部材６が回転挿
入され、該受け部材６により口栓２０の取付座部２３が
紙容器の内面に固定保持される。また、この受け部材６
の動作と同期してホーン５が前方に移動され、紙容器１
０の口栓差込孔１１周縁を外面より押圧しながら超音波
振動を加えて口栓２０の取付座部２３を紙容器１０の内
面に溶着する。そして、口栓溶着後はホーン５は後退
し、受け部材６は上方に回動して図３の（ａ）の状態に
戻る。
【００１７】図４は上記ホーン５および受け部材６を一
体化したこの実施例の溶着装置の構造図である。図４に
おいて８はホーン移動用エアシリンダである。エアシリ
ンダ８はブラケット９の後部下方に固定されている。そ
して、ホーン５は、ブラケット９の前部下方に案内杆１
２を介して支持され、エアシリンダ８の作用で紙容器１
０の方向に前進および後退可能とされている。
【００１８】また、受け部材６は、上記ブラケット９の
先端に回転自在に支持され、レバー１３を介して受け部
材移動用エアシリンダ７により回転駆動されることによ
り、図に二点鎖線で示すように紙容器１０の上方に出た
位置と、実線で示すように紙容器１０の内部に入って口
栓２０の取付座部を紙容器１０の内面に固定保持する保
持位置とに移動可能とされている。
【００１９】
【発明の効果】本発明は以上のように、超音波振動を利
用して液体用紙容器に口栓を溶着するに際し、口栓溶着
部に平行移送された紙容器に対し超音波発振器のホーン
と協動する受け部材を上方より挿入することによって口
栓を固定保持するようにしたので、従来のように受け治
具に挿嵌するため紙容器を上下動させる必要がなくな
り、溶着に要する時間に余裕ができるとともに、口栓取
り付けのための機構が簡単になってコストを低減するこ
とができ、また、紙容器に装着した口栓がずれたり外れ
たりするようなトラブルを少なくすることができる。
【図面の簡単な説明】
【図１】本発明の一実施例における液体用紙容器の斜視
図
【図２】図１のＡ−Ａ断面図
【図３】本発明の一実施例における口栓取付方法の説明
図
【図４】本発明の一実施例における溶着装置の構造図
【図５】従来の口栓取付方法の説明図
【符号の説明】
５ ホーン ６ 受け部材 ７ 受け部材移動用エアシリンダ ８ ホーン移動用エアシリンダ １０ 液体用紙容器 １１ 口栓差込孔 ２０ 口栓 ２３ 取付座部

Claims (2)

    【特許請求の範囲】
  1. 【請求項１】 内面が熱溶着性合成樹脂にて被覆された
    ブランクからなる液体用紙容器の内面に合成樹脂製口栓
    を装着し、容器外面より超音波振動を作用させることに
    より該口栓を液体用紙容器の内面に溶着させて取り付け
    る液体用紙容器のための口栓取付方法であって、容器組
    立工程において内面より口栓が装着された状態で口栓溶
    着部に平行移送された液体用紙容器に対し上方より受け
    部材を挿入して前記口栓の取付座部を液体用紙容器の内
    面に固定保持し、同時に該液体用紙容器の口栓差込孔周
    縁を外面より押圧しつつ超音波振動を作用させて口栓の
    取付座部を液体用紙容器の内面に溶着させることを特徴
    とする液体用紙容器のための口栓取付方法。
  2. 【請求項２】 内面が熱溶着性合成樹脂にて被覆された
    ブランクからなる液体用紙容器の内面に合成樹脂製口栓
    を装着し、容器外面より超音波振動を作用させることに
    より該口栓を液体用紙容器の内面に溶着させて取り付け
    る液体用紙容器のための口栓取付装置であって、紙容器
    組立工程において口栓溶着部に平行移送された液体用紙
    容器の口栓差込孔に対向する位置に超音波発振器のホー
    ンを配置するとともに、前記口栓溶着部の上方に、エア
    シリンダにより駆動され前記ホーンと協動して液体用紙
    容器の内部に入り前記口栓の取付座部を液体用紙容器内
    面に固定保持する揺腕式の受け部材を設けたことを特徴
    とする液体用紙容器のための口栓取付装置。
JP5189349A 1993-06-30 1993-06-30 液体用紙容器のための口栓取付方法および口栓取付装置 Pending JPH0716955A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5189349A JPH0716955A (ja) 1993-06-30 1993-06-30 液体用紙容器のための口栓取付方法および口栓取付装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5189349A JPH0716955A (ja) 1993-06-30 1993-06-30 液体用紙容器のための口栓取付方法および口栓取付装置

Publications (1)

Publication Number Publication Date
JPH0716955A true JPH0716955A (ja) 1995-01-20

Family

ID=16239848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5189349A Pending JPH0716955A (ja) 1993-06-30 1993-06-30 液体用紙容器のための口栓取付方法および口栓取付装置

Country Status (1)

Country Link
JP (1) JPH0716955A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9814856B2 (en) 2004-08-20 2017-11-14 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9814856B2 (en) 2004-08-20 2017-11-14 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
US10709865B2 (en) 2004-08-20 2020-07-14 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient
US11007340B2 (en) 2004-08-20 2021-05-18 Fisher & Paykel Healthcare Limited Apparatus for measuring properties of gases supplied to a patient

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