JPH11165713A - Cylindrical package, its manufacture, and apparatus therefor - Google Patents

Cylindrical package, its manufacture, and apparatus therefor

Info

Publication number
JPH11165713A
JPH11165713A JP9335587A JP33558797A JPH11165713A JP H11165713 A JPH11165713 A JP H11165713A JP 9335587 A JP9335587 A JP 9335587A JP 33558797 A JP33558797 A JP 33558797A JP H11165713 A JPH11165713 A JP H11165713A
Authority
JP
Japan
Prior art keywords
film
vertical seal
flat
seal portion
sealing
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.)
Granted
Application number
JP9335587A
Other languages
Japanese (ja)
Other versions
JP4152464B2 (en
Inventor
Shingo Okada
伸吾 岡田
Takaomi Kano
啓臣 加納
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.)
Kureha Corp
Original Assignee
Kureha Corp
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 Kureha Corp filed Critical Kureha Corp
Priority to JP33558797A priority Critical patent/JP4152464B2/en
Priority to PCT/JP1998/005371 priority patent/WO1999029575A1/en
Publication of JPH11165713A publication Critical patent/JPH11165713A/en
Application granted granted Critical
Publication of JP4152464B2 publication Critical patent/JP4152464B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C66/05—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
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • B29C65/7451—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool the severing tool and the welding tool being movable with respect to one-another
    • 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
    • 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • B65B51/225—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by ultrasonic welding
    • 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
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3656—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a layer of a multilayer part to be joined, e.g. for joining plastic-metal laminates
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/49—Internally supporting the, e.g. tubular, 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
    • B29C66/71—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
    • B29C66/70—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
    • B29C66/735—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 extensive physical properties of the parts to be joined
    • B29C66/7352—Thickness, e.g. very thin
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table

Abstract

PROBLEM TO BE SOLVED: To eliminate such inconvenience that a sufficient pressure resistance strength has not been obtained when a collecting part of a cylindrical package formed of a film is sealed by only welding without using clips made of metal. SOLUTION: After a cylindrical body of a film F is filled with contents, the contents are partly removed, and a flat part Fr is formed by pinchingly pressing the cylindrical body from the side opposed to a vertical seal part S1. When collecting forces P, P are applied to the flat part Fr from its both sides, the flat part Fr is regularly folded, and the vertical seal part S1 is positioned in the center of a collecting part 2 to be put into a state that a fore and a rear portions thereof are held between the films. When the collecting part 2 is pressurized with pressing surfaces 4a, 5a parallel with the vertical seal part S1 and ultrasonically welded, a sealed part in which the film is uniformly pressurized can be obtained.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、縦シール部を有し
て筒状に形成されたフィルムの筒状体の内部に、加工食
品などの内容物が充填された後に、前記筒状体の長手方
向の両端部が集束され、この集束部が融着されて金属製
のクリップを有することなく封止された筒状包装体、そ
の製造方法およびその製造装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a cylindrical film having a vertical seal portion, the method comprising the steps of: The present invention relates to a tubular package in which both ends in a longitudinal direction are bundled, and the bundled portion is fused and sealed without having a metal clip, a method for manufacturing the same, and a device for manufacturing the same.

【０００２】[0002]

【従来の技術】加工食品が充填される筒状包装体の一般
的な形態は、フィルムの幅方向両側の縁部どうしが接合
されて縦シール部（または「背貼り」と称される）が形
成されて筒状体が形成され、この筒状体の内部に内容物
が充填される。その後に、筒状体の長手方向の両端部が
偏平状態となるように押圧されて筒状体の中の内容物を
分ける（しごく、または分肉する）操作を行ない、この
偏平部が集束板により押圧されて集束させられる。そし
てこの集束部がアルミニウムなどの金属で形成されたワ
イヤクリップにより二ヵ所で結紮され、前記集束部にお
いて二ヵ所の結紮部の中間が切断されて、個々の筒状包
装体に分離される。2. Description of the Related Art In a general form of a tubular package filled with processed food, edges on both sides in a width direction of a film are joined to each other to form a vertical seal portion (or referred to as a "back application"). It is formed to form a cylindrical body, and the inside of the cylindrical body is filled with contents. Thereafter, the operation of separating the contents in the cylindrical body by pressing the cylindrical body in such a manner that both ends in the longitudinal direction are flattened (strengthening or dividing the thickness) is performed. To be focused. The bundle is ligated at two places by a wire clip made of metal such as aluminum, and the middle of the two ligatures is cut at the bundle and separated into individual tubular packages.

【０００３】しかし、アルミニウムなどの金属製のワイ
ヤクリップで結紮された包装体は、金属探知方式で行な
われる筒状包装体の品質管理において前記クリップが金
属探知手段に反応し、異物としての金属検知に不都合を
生じる。また、筒状包装体を製造する工程において、フ
ィルムの集束部をワイヤクリップで結紮する作業を行う
と、ワイヤクリップをプレスするときに金属粉が発生
し、食品の包装工程の環境として好ましくない。However, in the case of a package tied with a metal wire clip made of metal such as aluminum, the clip reacts to the metal detecting means in quality control of the tubular package performed by the metal detecting method, and the metal is detected as a foreign substance. Causes inconvenience. Further, in the process of manufacturing the tubular package, if the operation of ligating the convergence portion of the film with a wire clip is performed, metal powder is generated when the wire clip is pressed, which is not preferable as an environment for the food packaging process.

【０００４】そこで、特開昭５９−２６４２４号公報、
特開昭５９−２６４６７号公報、および特公平５−６７
４９６号公報には、フィルムで形成された筒状体の内部
に内容物が充填された後に、内容物が排除された部分で
フィルムを集束させ、そのまま超音波溶着手段などを用
いて、集束部でのフィルムを溶融させ、ワイヤクリップ
を用いないで封止する技術が開示されている。Therefore, Japanese Patent Laid-Open Publication No. Sho 59-26424,
JP-A-59-26467 and JP-B-5-67.
No. 496 discloses that after a content is filled in a tubular body formed of a film, the film is focused at a portion where the content is eliminated, and the focusing portion is directly used by ultrasonic welding means or the like. A technique is disclosed in which a film is melted and sealed without using a wire clip.

【０００５】[0005]

【発明が解決しようとする課題】しかし、前記のように
フィルムを集束させて超音波などでフィルムを溶融させ
て封止した筒状包装体では、前記封止部の耐圧強度が十
分ではない。特に、筒状体の両端部が前記のように封止
された後に、ボイル工程、レトルト工程、あるいは水蒸
気による蒸し工程などの加熱工程が必要となる製品で
は、加熱工程での筒状包装体の内部圧力の上昇により、
包装体の密封を保てないことがあり、電気導通試験でピ
ンホールとして検知されることがある。However, in the case of a cylindrical package in which the film is bundled and the film is melted and sealed with ultrasonic waves or the like as described above, the pressure resistance of the sealing portion is not sufficient. In particular, for products that require a heating step such as a boiling step, a retort step, or a steaming step with steam after both ends of the tubular body are sealed as described above, the tubular package in the heating step Due to the rise of internal pressure,
In some cases, the sealing of the package cannot be maintained, and it may be detected as a pinhole in an electrical continuity test.

【０００６】例えば、前記特公平５−６７４９６号公報
には、フィルムの集束部を挟む超音波ホーンおよびアン
ビルに一定圧を印加することにより、集束部のフィルム
に対するホーンとアンビルの接触圧を確保し、封止部で
フィルムを溶着させる技術が開示されている。しかし、
ホーンとアンビルの接圧の管理だけでは、十分な耐圧強
度を有する封止部を定常的に形成できない。For example, in Japanese Patent Publication No. 5-67496, a constant pressure is applied to an ultrasonic horn and an anvil sandwiching a focusing portion of a film to secure a contact pressure between the horn and the anvil with respect to the film at the focusing portion. A technique for welding a film at a sealing portion is disclosed. But,
Only by controlling the contact pressure between the horn and the anvil, it is not possible to constantly form a sealing portion having a sufficient pressure resistance.

【０００７】本発明の発明者らは、封止部が定常的に十
分な耐圧強度を封止部に与えられない原因を調べたとこ
ろ、フィルムの縁部どうしを接合する縦シール部の集束
部における位置に起因していることを理解した。すなわ
ち、従来は、フィルムを集束する際に、縦シール部の存
在が考慮されていないため、フィルムの集束部内での縦
シール部の位置がランダムであり、またその向きが不規
則であり、例えば超音波ホーンとアンビルとで集束部を
挟圧し、集束部のフィルムに発熱を生じさせたときに、
ホーンとアンビルとに挟まれるフィルムの厚みが不均一
になり、その結果、集束部においてフィルムが均一に溶
融されにくいことが解った。[0007] The inventors of the present invention have investigated the cause of the failure of the sealing portion to constantly provide sufficient pressure resistance to the sealing portion. As a result, the convergence portion of the vertical seal portion joining the edges of the film to each other was examined. I understood that it was caused by the position in. That is, conventionally, when the film is converged, since the presence of the vertical seal portion is not considered, the position of the vertical seal portion within the film converging portion is random, and the orientation is irregular, for example, When the focusing part is sandwiched between the ultrasonic horn and the anvil to generate heat in the film of the focusing part,
It was found that the thickness of the film sandwiched between the horn and the anvil became non-uniform, and as a result, the film was difficult to be uniformly melted at the focusing portion.

【０００８】また、前記特開昭５９−２６４２４号公報
および前記特開昭５９−２６４６７号公報に記載されて
いるように、フィルムの縁部どうしを接合する縦シール
部を形成した後に、前記縦シール部に対面する側から、
縦シール部に向かって集束板が移動して、フィルムが集
束されるものでは、集束部において縦シール部が、超音
波ホーンまたはアンビルに向く表面に現れやすくなる。
この状態の集束部に対し、超音波ホーンとアンビルとで
前記集束板による集束方向と同じ方向から挟圧すると、
縦シール部が超音波ホーンまたはアンビルに当たること
になる。その結果、ホーンとアンビルとの間に挟まれる
フィルム全体に対する挟圧力が不均一に作用することに
なり、集束部のフィルムが均一に溶融されにくくなり、
封止部の耐圧強度が小さくなり、密封良品率および封止
部良品率が低下する。Further, as described in JP-A-59-26424 and JP-A-59-26467, after forming a vertical seal portion for joining the edges of the film, the vertical seal portion is formed. From the side facing the seal,
When the focusing plate moves toward the vertical seal portion and the film is focused, the vertical seal portion in the focus portion easily appears on the surface facing the ultrasonic horn or the anvil.
With respect to the focusing portion in this state, when the ultrasonic horn and the anvil are pressed from the same direction as the focusing direction by the focusing plate,
The vertical seal will hit the ultrasonic horn or anvil. As a result, the sandwiching pressure on the entire film sandwiched between the horn and the anvil acts non-uniformly, and the film in the focusing portion is less likely to be uniformly melted,
The pressure resistance of the sealing portion is reduced, and the good sealing rate and the good sealing rate are reduced.

【０００９】以上から、従来の金属製のワイヤクリップ
を用いず、集束部でのフィルムを溶融させて封止部を形
成した筒状包装体では、密封良品率が低下していた。[0009] As described above, in the tubular package in which the sealing portion is formed by melting the film at the converging portion without using the conventional metal wire clip, the yield rate of the sealed non-defective product has been reduced.

【００１０】本発明は上記従来の課題を解決するもので
あり、筒状体の両端部を集束させて、超音波などにより
フィルムを溶融させて、金属製のワイヤクリップを用い
ない封止部を形成する際に、集束部において、フィルム
を均一に溶融できるようにして、耐圧強度の高い封止部
を形成できるようにした筒状包装体、その製造方法およ
び製造装置を提供することを目的としている。The present invention is to solve the above-mentioned conventional problems. The present invention solves the above-mentioned problem by converging both ends of a cylindrical body, melting a film by ultrasonic waves or the like, and forming a sealing portion without using a metal wire clip. In forming, in a converging section, a cylindrical package body capable of uniformly melting a film and forming a sealing section having high pressure resistance is provided, and a method and apparatus for manufacturing the same are provided. I have.

【００１１】[0011]

【課題を解決するための手段】本発明は、フィルムの縁
部どうしを接合する縦シール部が長手方向に延びる筒状
体に内容物が充填されており、前記筒状体の長手方向の
両端部でフィルムが集束し、この集束部でフィルムが溶
着されて封止部が形成された筒状包装体において、前記
封止部では、フィルムが折り畳まれ且つ前記縦シール部
が折り畳みの中間でフィルム間に挟まれた状態でフィル
ムが集束されており、前記集束されたフィルムは、折り
畳まれるフィルムの重なり方向から挟圧され、前記縦シ
ール部およびこの縦シール部に重なるフィルムが溶着さ
れて、金属製のクリップを用いることなく封止部が形成
されていることを特徴とするものである。SUMMARY OF THE INVENTION According to the present invention, there is provided a cylindrical body extending in a longitudinal direction and having a longitudinal seal portion for joining edges of a film filled with contents, and both ends of the cylindrical body in the longitudinal direction. In the cylindrical package body in which the film is fused at the portion and the sealing portion is formed by welding the film at the focusing portion, at the sealing portion, the film is folded and the vertical sealing portion is a film in the middle of folding. The films are bundled in a state sandwiched therebetween, and the bundled films are pressed from the overlapping direction of the film to be folded, and the vertical sealing portion and the film overlapping the vertical sealing portion are welded to form a metal. The sealing part is formed without using a clip made of a metal.

【００１２】この場合に、縦シール部およびこの縦シー
ル部に重なるフィルムは、封止部の断面のほぼ全領域に
おいて溶着されていること、さらに縦シール部は、封止
部の表面に現れない位置でフィルム間に挟まれているこ
とが、ピンホールを生じにくくし、封止部良品率を高く
する上で好ましい。In this case, the vertical seal portion and the film overlapping the vertical seal portion are welded over substantially the entire cross section of the sealing portion, and the vertical seal portion does not appear on the surface of the sealing portion. It is preferable to be sandwiched between the films at the position in order to make it difficult to generate pinholes and to increase the non-defective rate of the sealing portion.

【００１３】または、フィルムの縁部どうしを接合する
縦シール部が長手方向に延びる筒状体に内容物が充填さ
れており、前記筒状体の長手方向の両端部のフィルムが
集束し、この集束部でフィルムが溶着されて封止部が形
成された筒状包装体において、次の項目（ａ）及び項目
（ｂ）を同時に満たすことを特徴とするものである。[0013] Alternatively, a cylindrical body extending in the longitudinal direction is filled with the contents, and a longitudinal seal portion for joining the edges of the film is filled with the contents, and the films at both ends in the longitudinal direction of the cylindrical body converge. The following items (a) and (b) are simultaneously satisfied in the cylindrical package in which the sealing portion is formed by welding the film at the focusing portion.

【００１４】（ａ）集束位置にあり筒状体の長手方向に
直角な断面と平行な面にあって、前記集束位置の断面と
縦シール部との交点から前記断面上の筒状体中心軸への
方向の実質的に直角方向に折り畳まれて溶着される前記
封止部の内容物根元にあって、（ｂ）項目（ａ）の前記
中心軸への方向と平行な方向に沿って、陥没部が形成さ
れていること。(A) The central axis of the cylindrical body on the cross-section from the intersection of the cross-section at the convergence position and the vertical seal portion on a plane parallel to a cross section perpendicular to the longitudinal direction of the cylindrical body at the converging position. (B) at the base of the contents of the sealing portion, which is folded and welded in a direction substantially perpendicular to the direction of (b), along a direction parallel to the direction of the central axis in item (a). A depression is formed.

【００１５】本発明でのフィルムを溶融させる手段は、
超音波ホーンおよびアンビルにより集束部のフィルムを
挟圧し、超音波によりフィルムに発熱を生じさせる超音
波溶着手段、高周波電極により集束部のフィルムを挟圧
し、高周波誘電加熱によってフィルムに発熱を生じさせ
る高周波溶着手段、または加熱板で集束部のフィルムを
挟圧し、加熱板から与えられる熱により集束部のフィル
ムを溶融させる加熱溶着手段、またはノズルもしくはス
リットを通して熱風を噴出させて集束部のフィルムを溶
着する熱風ジェット溶着手段などである。In the present invention, the means for melting the film is as follows.
The ultrasonic horn and the anvil press the film of the converging part by the ultrasonic horn and the ultrasonic welding means to generate heat on the film by the ultrasonic wave. Welding means, or a heating plate, presses the film of the converging portion, and heats the heat of the heating plate to melt the film of the converging portion, or blows hot air through a nozzle or a slit to weld the film of the converging portion. Hot air jet welding means and the like.

【００１６】本発明では、縦シール部が集束部の内部で
フィルム間に挟まれるように埋没している。縦シール部
が形成されている偏平部の面、すなわち縦シール部が形
成されている部分のフィルムの面を溶着手段のホーンや
アンビルなどの加圧面と平行に向け、この状態で、縦シ
ール部およびその前後に位置するフィルムを前記加圧面
で挟圧しフィルムを溶着してなる。また好ましくは、縦
シール部が集束部の幅方向の中心に位置してなる。In the present invention, the vertical seal portion is buried so as to be sandwiched between the films inside the focusing portion. The surface of the flat portion where the vertical seal portion is formed, that is, the surface of the film where the vertical seal portion is formed is oriented parallel to the pressing surface of the horn or anvil of the welding means. And the films located before and after the film are pressed by the pressing surface to weld the films. Preferably, the vertical seal portion is located at the center in the width direction of the focusing portion.

【００１７】したがって、ホーンおよびアンビルなどの
加圧面により集束部を挟圧するときに、縦シール部が集
束部のほぼ中心に埋没する状態で、集束部のフィルムを
ほぼ均一に加圧して、このフィルムが溶融してなる。集
束部のフィルムに対して、一方に片寄らない均一な加圧
力が作用することにより、集束部のフィルムの溶融が十
分で且つほぼ均質になり、縦シール部およびその前後に
位置するフィルムが溶着されて集束部の耐圧強度が大き
くなる。Therefore, when the converging portion is pressed by a pressing surface such as a horn and an anvil, the film of the converging portion is substantially uniformly pressed while the vertical seal portion is buried substantially in the center of the converging portion. Melts. By applying a uniform pressing force to the film of the converging part without being biased to one side, the melting of the film of the converging part becomes sufficient and substantially uniform, and the longitudinal seal part and the films located before and after it are welded. As a result, the pressure resistance of the focusing portion is increased.

【００１８】上記において、内容物が除去された部分の
筒状体が、縦シール部と対面する方向から挟圧されて、
幅方向の中間部分に前記縦シール部が位置する偏平部が
形成され、その後に前記偏平部が折り畳まれて集束部が
形成されることが好ましい。In the above, the cylindrical body of the portion from which the contents have been removed is squeezed from the direction facing the vertical seal portion,
It is preferable that a flat portion where the vertical seal portion is located is formed at an intermediate portion in the width direction, and then the flat portion is folded to form a converging portion.

【００１９】このように、偏平部では縦シール部が幅方
向の中間部分、好ましくは幅方向の中心に位置した状態
で、集束部でフィルムが規則正しく折り畳まれている
と、この集束部が例えばホーンおよびアンビルなどの加
圧面で均一に加圧されやすくなり、集束部での溶着をさ
らに均一にできる。As described above, when the film is regularly folded at the converging portion in a state where the vertical seal portion is located at the middle portion in the width direction, preferably at the center in the width direction, the converging portion becomes, for example, a horn. In addition, it is easy to apply pressure uniformly on the pressing surface such as the anvil and the like, and the welding at the converging portion can be made more uniform.

【００２０】また本発明の筒状体の製造方法は、フィル
ムの縁部どうしが接合された縦シール部が長手方向に延
びる筒状体を形成する工程と、前記筒状体の内部に内容
物を充填する工程と、内容物が充填された部分の筒状包
装体を、縦シール部と対面する方向から押圧して、前記
縦シール部が幅方向の中間部分に位置するように前記筒
状体に偏平部を形成する工程と、前記偏平部の両端側か
ら集束力を与えて、前記縦シール部がフィルム間に挟ま
れるようにフィルムを折り畳んで集束させる工程と、前
記集束部を、折り畳まれたフィルムの重なり方向から挟
圧して、前記縦シール部およびこの縦シール部の前後に
位置するフィルムを溶着して封止部を形成する工程と、
前記集束部において間隔を開けて形成された前記封止部
の中間で個々の包装体毎に分離する工程とを含み、筒状
体の長手方向の両端部に金属製のクリップを用いない封
止部を形成することを特徴とするものである。The method for producing a tubular body according to the present invention comprises the steps of forming a tubular body in which a longitudinal seal portion joined to the edges of the film extends in the longitudinal direction; And filling the tubular package of the portion filled with the contents, from the direction facing the vertical seal portion, the cylindrical package so that the vertical seal portion is located in the middle portion in the width direction. Forming a flat portion on the body, applying a converging force from both ends of the flat portion to fold and condense the film so that the vertical seal portion is sandwiched between the films, and folding the converged portion. Forming a sealing portion by squeezing the overlapped film from the overlapping direction, welding the vertical seal portion and the films positioned before and after the vertical seal portion,
Separating each individual package in the middle of the sealing portion formed at intervals in the focusing portion, without using metal clips at both ends in the longitudinal direction of the cylindrical body Forming a portion.

【００２１】上記において、前記集束部を形成する工程
で、前記縦シール部が集束部の内部に位置するように偏
平部が折り畳まれるように、前記偏平部に対し側方から
案内力を与えることが好ましい。In the above, in the step of forming the converging portion, a guiding force is applied to the flat portion from the side so that the flat portion is folded so that the vertical seal portion is located inside the converging portion. Is preferred.

【００２２】さらに、本発明の筒状包装体の製造装置
は、フィルムの縁部どうしが接合された縦シール部を筒
状体の長手方向へ形成するシール手段と、前記筒状体を
前記縦シール部と対面する方向から挟圧して筒状体内の
内容物を除去し前記縦シール部が幅方向の中間部分に位
置する偏平部を形成するしごき手段と、前記偏平部の両
端側から挟圧して前記偏平部を集束する集束手段と、前
記集束手段で集束された集束部のフィルムを溶着する溶
着手段と、溶着部の中間で集束部を切断する切断手段と
が設けられ、前記集束手段には、前記偏平部に集束力を
与える凹部が形成されており、この凹部の底部は、前記
偏平部の偏平面とほぼ直交する平面部分を有し、この凹
部で前記偏平部が集束させられるときに、前記偏平部は
縦シール部が前後からフィルムで挟まれるように折り畳
まれ、前記溶着手段では、前記集束部において折り畳ま
れたフィルムの重なり方向から前記集束部を挟圧して縦
シール部およびその前後のフィルムを溶着する加圧溶着
部材が設けられていることを特徴とするものである。Further, the apparatus for manufacturing a cylindrical package according to the present invention comprises a sealing means for forming a vertical seal portion in which the edges of the film are joined in the longitudinal direction of the cylindrical body; Ironing means for squeezing from the direction facing the seal portion to remove the contents in the cylindrical body and forming a flat portion where the vertical seal portion is located at the middle portion in the width direction, and squeezing from both ends of the flat portion. Converging means for converging the flat portion, welding means for welding the film of the converging part converged by the converging means, and cutting means for cutting the converging part in the middle of the welding part are provided. A concave portion that gives a focusing force to the flat portion is formed, and a bottom portion of the concave portion has a flat portion substantially orthogonal to a flat surface of the flat portion, and the flat portion is focused by the concave portion. In the flat part, the longitudinal seal part is In the welding means, the welding means is provided with a pressure welding member for sandwiching the converging portion from the overlapping direction of the films folded in the converging portion and welding the longitudinal seal portion and the films before and after the vertical sealing portion. It is characterized by being carried out.

【００２３】上記において、前記集束手段の凹部の開口
部の開口幅が、前記平面状の底部の幅寸法と同じかそれ
以下であることが好ましい。In the above, it is preferable that the opening width of the opening of the concave portion of the converging means is equal to or less than the width of the flat bottom.

【００２４】上記のように、集束板に形成された凹部の
底部を平面形状とし、好ましくは、凹部の開口幅を前記
底部の幅寸法よりも小さくしておくと、この集束板で筒
状体の偏平部を挟圧する際に、フィルムが所定幅内で折
り畳まれるようになり、溶着部材により溶着したとき
に、ピンホールが生じにくくなる。As described above, the bottom of the concave portion formed in the converging plate has a planar shape. Preferably, if the opening width of the concave portion is smaller than the width of the bottom portion, the cylindrical member is formed by the converging plate. When the flat portion is pressed, the film is folded within a predetermined width, and pinholes are less likely to be generated when the film is welded by the welding member.

【００２５】さらに、前記溶着手段が超音波溶着であ
り、前記加圧溶着部材が予備加熱されたアルビンからな
るものであることが好ましい。Further, it is preferable that the welding means is ultrasonic welding, and the pressure welding member is made of preheated Albin.

【００２６】[0026]

【発明の実施の形態】図６は本発明の筒状包装体の正面
図、図７は前記筒状包装体の封止部を示す部分斜視図で
ある。この筒状包装体１は、塩化ビニリデン系樹脂のフ
ィルムなどのような酸素ガスバリヤ性に富むフィルムＦ
の幅方向の縁部ＦａとＦｂが重ねられ、縁部ＦａとＦｂ
の重ね幅のほぼ中心部分でフィルムＦどうしが高周波電
極を用いた高周波誘電加熱により溶着され、縦シール部
Ｓ１が形成されている。この縦シール部Ｓ１は、筒状体
の長手方向に沿って延びている。FIG. 6 is a front view of a tubular package of the present invention, and FIG. 7 is a partial perspective view showing a sealing portion of the tubular package. The tubular package 1 is made of a film F having a high oxygen gas barrier property such as a vinylidene chloride resin film.
The edges Fa and Fb in the width direction are overlapped, and the edges Fa and Fb
The films F are welded to each other by high-frequency dielectric heating using a high-frequency electrode at a substantially central portion of the overlap width of, so that a vertical seal portion S1 is formed. This vertical seal portion S1 extends along the longitudinal direction of the tubular body.

【００２７】前記フィルムＦで形成された筒状体の縦方
向の両端部が集束させられて、集束部２が形成され、こ
の集束部２のフィルムが超音波溶着手段により発熱させ
られ、フィルムどうしが溶着された封止部３が形成され
ている。本発明では、封止部３がフィルムＦの溶着のみ
で形成されており、従来のような金属製のワイヤクリッ
プによる結紮手段は設けられていない。ただし、プラス
チック材料などで形成された金属以外のクリップで前記
封止部３がさらに締め付けられる構造であってもよい。Both ends in the vertical direction of the cylindrical body formed of the film F are converged to form a converging portion 2, and the film of the converging portion 2 is heated by ultrasonic welding means, and the films are joined together. Are formed in the sealing portion 3. In the present invention, the sealing portion 3 is formed only by welding the film F, and a conventional ligating means using a metal wire clip is not provided. However, a structure in which the sealing portion 3 is further tightened with a clip other than metal formed of a plastic material or the like may be used.

【００２８】図４および図９に示されるように、前記集
束部２では、内容物が除去された状態のフィルムＦの筒
状体が平面的に押し潰されて偏平部Ｆｒが形成され、こ
の偏平部Ｆｒが規則的に折り畳まれている。As shown in FIGS. 4 and 9, in the converging section 2, the tubular body of the film F from which the contents have been removed is flattened to form a flat section Fr. The flat part Fr is regularly folded.

【００２９】図５（Ａ）（Ｂ）は、前記集束部２を形成
する過程をさらに詳しく示している。図５（Ａ）に示す
ように、フィルムＦで形成された筒状体の内部の内容物
を除去して、偏平部Ｆｒが形成されるが、この偏平部Ｆ
ｒでは、縦シール部Ｓ１を、幅方向の中間部分、好まし
くは幅方向の中心に位置させる。この偏平部Ｆｒの両端
側から、集束板による集束力Ｐ，Ｐが与えられて、偏平
部Ｆｒが集束させられるが、このとき必要に応じて偏平
部Ｆｒの側方から互い違いにガイド力Ｇａ，Ｇａ，Ｇ
ｂ，Ｇｂが与えられ、その結果、図５（Ｂ）に示すよう
に、偏平部Ｆｒが規則的に折り畳まれて集束される。FIGS. 5A and 5B show the process of forming the focusing section 2 in more detail. As shown in FIG. 5 (A), the flat portion Fr is formed by removing the contents inside the cylindrical body formed of the film F, and the flat portion Fr is formed.
In r, the vertical seal portion S1 is positioned at an intermediate portion in the width direction, preferably at the center in the width direction. From both ends of the flat portion Fr, a converging force P, P by a converging plate is given to converge the flat portion Fr. At this time, if necessary, the guide forces Ga, Al are alternately provided from the side of the flat portion Fr. Ga, G
b and Gb, and as a result, as shown in FIG. 5B, the flat portion Fr is regularly folded and focused.

【００３０】図５（Ｂ）に示すように、集束部２では、
縦シール部Ｓ１がフィルムＦにより挟まれ、縦シール部
Ｓ１が集束部２の内部に位置している。また集束部２の
折り畳み面はＹ方向であり、縦シール部Ｓ１が形成され
ている箇所でのフィルム、すなわち縦シール部Ｓ１の両
側に連続するフィルムＦｓ，Ｆｓの面は、前記折り畳み
面と同じ方向へ向けられている。よって、集束部２にお
いて、縦シール部Ｓ１は、フィルムの折り畳みによる重
ね方向（Ｘ方向）のほぼ中心に位置し、また折り畳み面
方向（Ｙ方向）を集束部２の幅方向としたときに、縦シ
ール部Ｓ１はこの幅方向のほぼ中心に位置している。As shown in FIG. 5B, in the focusing section 2,
The vertical seal portion S1 is sandwiched between the films F, and the vertical seal portion S1 is located inside the focusing portion 2. The folding surface of the focusing unit 2 is in the Y direction, and the film at the location where the vertical seal portion S1 is formed, that is, the surfaces of the films Fs and Fs continuous on both sides of the vertical seal portion S1, are the same as the folding surface. Oriented. Therefore, in the focusing unit 2, the vertical seal unit S <b> 1 is located substantially at the center in the stacking direction (X direction) by folding the film, and when the folding surface direction (Y direction) is defined as the width direction of the focusing unit 2, The vertical seal portion S1 is located substantially at the center in the width direction.

【００３１】さらに、超音波ホーン４およびアンビル５
により、集束部２を溶着する場合には、ホーン４の加圧
面４ａとアンビル５の加圧面５ａに対し、縦シール部Ｓ
１が形成されている箇所でのフィルムＦｓ，Ｆｓの面が
平行になるようにして、集束部２で折り畳まれたフィル
ムの重ね方向から、前記加圧面４ａと加圧面５ａでフィ
ルムＦが挟圧され、超音波がフィルムに与えられて、集
束部２でのフィルムＦが溶融させられる。Further, the ultrasonic horn 4 and the anvil 5
Therefore, when the converging portion 2 is welded, the pressing surface 4a of the horn 4 and the pressing surface 5a of the anvil 5
1 are formed so that the surfaces of the films Fs and Fs are parallel to each other, and the film F is pressed between the pressing surface 4a and the pressing surface 5a from the overlapping direction of the films folded by the focusing unit 2. Then, an ultrasonic wave is applied to the film, and the film F in the focusing unit 2 is melted.

【００３２】このように、縦シール部Ｓ１が集束部２の
内部に位置し、また縦シール部Ｓ１がフィルム間に挟ま
れ、しかも縦シール部Ｓ１が集束部２のほぼ中心に位置
し、縦シール部Ｓ１が形成された箇所のフィルムＦｓ，
Ｆｓと平行な加圧面４ａ，５ａによって、縦シール部Ｓ
１がその前後に位置するフィルムと共に溶着される。こ
の場合、集束部２では、縦シール部Ｓ１の溶着塊および
その左右両側に延びるフィルムの縁部Ｆａ，Ｆｂ、の左
右前後に、複数枚のフィルムが均等に位置するため、加
圧面４ａと５ａとによる加圧力が、集束部２のフィルム
に対して均等に作用する。As described above, the vertical seal portion S1 is located inside the converging portion 2, the vertical seal portion S1 is sandwiched between the films, and the vertical seal portion S1 is located substantially at the center of the converging portion 2; The film Fs where the seal portion S1 is formed,
The pressurized surfaces 4a and 5a parallel to Fs allow the vertical seal S
1 is welded together with the films located before and after it. In this case, in the converging portion 2, since a plurality of films are uniformly positioned before and after the left and right sides of the welded mass of the vertical seal portion S1 and the edges Fa and Fb of the film extending on both the left and right sides, the pressing surfaces 4a and 5a And acts on the film of the focusing unit 2 evenly.

【００３３】このように、集束部２に対して加圧力が均
一に作用するために、集束部２の幅方向（Ｙ方向）にお
いて、加圧力の片寄りが生じにくくなる。そのため、集
束部２内のフィルムＦが、縦シール部Ｓ１の溶着塊を含
めて均等に溶融され、その結果、封止部３での溶着品質
がよくなり、ピンホールなどが生じにくくなる。As described above, since the pressing force acts uniformly on the focusing unit 2, the bias of the pressing force is less likely to occur in the width direction (Y direction) of the focusing unit 2. Therefore, the film F in the converging portion 2 is uniformly melted including the welded mass of the vertical seal portion S1, and as a result, the welding quality at the sealing portion 3 is improved, and pinholes and the like are less likely to occur.

【００３４】次に、前記筒状包装体の製造方法を図１な
いし図５（Ａ）（Ｂ）の図面を参照して順に説明する。
図１（Ａ）は、筒状包装体を製造する縦型連続充填包装
装置の概略構造を示す正面図、図１（Ｂ）は図１（Ａ）
の部分側面図である。また、図２は前記縦型連続充填包
装装置のフィルム成形部を示す部分斜視図である。Next, a method for manufacturing the cylindrical package will be described in order with reference to FIGS. 1 to 5 (A) and 5 (B).
FIG. 1A is a front view showing a schematic structure of a vertical continuous filling and packaging apparatus for producing a tubular package, and FIG. 1B is a view of FIG.
FIG. FIG. 2 is a partial perspective view showing a film forming section of the vertical continuous filling and packaging apparatus.

【００３５】フィルムＦは、図１（Ａ）に示す原反１０
から引出され、案内ロール１１ａと１１ｂに案内されて
成形部材１２に導かれる。成形部材１２はフォーミング
プレートと称される。図２に示すように、成形部材１２
は、金属板により筒状に成形され、その縁部どうしが長
手方向に離間して重ねられ且つその上縁部１２aが傾斜
状態となっている。The film F is a raw material 10 shown in FIG.
, And is guided to the forming member 12 by being guided by the guide rolls 11a and 11b. The forming member 12 is called a forming plate. As shown in FIG.
Is formed in a cylindrical shape by a metal plate, and its edges are overlapped with being separated from each other in the longitudinal direction, and its upper edge 12a is in an inclined state.

【００３６】案内ロール１１ｂを通過したフィルムＦ
は、成形部材１２の上縁部１２ａから内側へ折り返され
て筒状に成形され、このときフィルムＦの縁部ＦａとＦ
ｂは、成形部材１２の縁部１２ｂと１２ｃとの間に導か
れて互いに重ね合わされる。成形部材１２の下には、高
周波電極１３ａと１３ｂが対向して設けられ、この縁部
Ｆａと縁部Ｆｂとの重なり部のほぼ中心部分が、前記高
周波電極１３ａと１３ｂとで挟圧されて溶着され、縦シ
ール部Ｓ１が形成されて、筒状体が形成される。Film F passed through guide roll 11b
Is folded inward from the upper edge 12a of the molding member 12 to be formed into a cylindrical shape. At this time, the edges Fa and F of the film F are formed.
b are guided between the edges 12b and 12c of the molded member 12 and overlap each other. Under the molded member 12, high-frequency electrodes 13a and 13b are provided so as to face each other, and a substantially central portion of an overlapping portion of the edge Fa and the edge Fb is sandwiched between the high-frequency electrodes 13a and 13b. The cylindrical body is formed by welding to form the vertical seal portion S1.

【００３７】高周波電極１３ａと１３ｂの下方位置に
は、連続して回転する送りローラ１４ａと１４ｂが設け
られ、縦シール部Ｓ１が形成された筒状体が、前記送り
ローラ１４ａと１４ｂとで挟持され、且つ送りローラの
回転力により一定速度で下方へ送り出される。または送
りローラ１４ａと１４ｂとで、筒状体が間欠送りされて
もよい。Below the high-frequency electrodes 13a and 13b, there are provided feed rollers 14a and 14b which rotate continuously, and a tubular body provided with a vertical seal portion S1 is held between the feed rollers 14a and 14b. And is fed downward at a constant speed by the rotational force of the feed roller. Alternatively, the tubular body may be intermittently fed by the feed rollers 14a and 14b.

【００３８】前記成形部材１２の中心には、上方から充
填ノズル１５が挿入されており、この充填ノズル１５の
上方には充填ポンプ１６が設けられている。成形部材１
２の上縁部で反転されて筒状に成形され、且つ高周波電
極１３ａと１３ｂで縦シール部Ｓ１が形成されたフィル
ムＦの筒状体に対し、前記充填ポンプ１６および充填ノ
ズル１５から加工食品などの内容物１７が単位時間当り
一定量で連続的に充填される。A filling nozzle 15 is inserted into the center of the molding member 12 from above, and a filling pump 16 is provided above the filling nozzle 15. Molded member 1
2 is turned into a cylindrical shape, and the high-frequency electrodes 13a and 13b form a processed food from the filling pump 16 and the filling nozzle 15 on the cylindrical body of the film F in which the vertical seal portion S1 is formed. Is continuously filled in a constant amount per unit time.

【００３９】送りローラ１４ａ、１４ｂの下方位置に
は、しごき手段を構成する一対のしごきローラ１８ａと
１８ｂが設けられ、しごきローラ１８ａと１８ｂが間欠
的に圧接と離反を繰り返すように駆動される。このしご
きローラ１８ａと１８ｂにより、連続して下方へ送られ
るフィルムＦの筒状体が一定の間隔で挟圧される。しご
きローラ１８ａと１８ｂとで筒状体が挟圧されると、筒
状体の内部の内容物１７が部分的に除去され、フィルム
Ｆどうしが圧着して偏平部Ｆｒが形成される。Below the feed rollers 14a and 14b, a pair of squeezing rollers 18a and 18b constituting squeezing means are provided, and the squeezing rollers 18a and 18b are driven so as to intermittently repeat pressing and separating. By the squeezing rollers 18a and 18b, the cylindrical body of the film F continuously fed downward is squeezed at regular intervals. When the cylindrical body is pressed by the ironing rollers 18a and 18b, the contents 17 inside the cylindrical body are partially removed, and the films F are pressed against each other to form the flat portion Fr.

【００４０】図１（Ａ）（Ｂ）に示すように、しごきロ
ーラ１８ａ，１８ｂは、縦シール部Ｓ１と対面する方向
から筒状体を押圧するため、図３に示すように、しごき
ローラ１８ａ，１８ｂの加圧により形成された偏平部Ｆ
ｒの幅寸法をＷとしたときに、前記縦シール部Ｓ１は前
記幅寸法のほぼ中心に位置する。As shown in FIGS. 1 (A) and 1 (B), the ironing rollers 18a and 18b press the cylindrical body from the direction facing the longitudinal seal portion S1, so that as shown in FIG. , 18b formed by pressurization
When the width dimension of r is W, the vertical seal portion S1 is located substantially at the center of the width dimension.

【００４１】しごきローラ１８ａ，１８ｂの下方位置に
は、集束・封止機構２０が設けられている。この集束・
封止機構２０は、筒状体の下降速度に同期して昇降駆動
されるものであり、下降動作の際に、前記偏平部Ｆｒを
挟圧して集束させ、さらに超音波を用いて溶着し、さら
に集束部２を切断するものとなっている。または、フィ
ルムＦの筒状体が下方へ間欠送りされ、筒状体が停止し
ているときに、集束・封止機構２０により、集束などの
各動作が行なわれてもよい。A focusing / sealing mechanism 20 is provided below the ironing rollers 18a and 18b. This convergence
The sealing mechanism 20 is driven to move up and down in synchronization with the lowering speed of the cylindrical body. During the lowering operation, the flattened portion Fr is pressed and focused, and further welded using ultrasonic waves. Further, the focusing unit 2 is cut. Alternatively, when the tubular body of the film F is intermittently fed downward and the tubular body is stopped, each operation such as focusing may be performed by the focusing / sealing mechanism 20.

【００４２】前記集束・封止機構２０には、上下に間隔
を開けて設けられた、集束手段としての集束板２１ａ，
２１ｂと、これに対向する同じく集束手段としての集束
板２２ａ，２２ｂと、上側の集束板２１ａと下側の集束
板２１ｂの間に位置する超音波ホーン４と、上側の集束
板２２ａと下側の集束板２２ｂとの間に位置するアンビ
ル５と、アンビル５の中間に位置する切断刃２３とを有
している。また集束・封止機構２０には、昇降動作に同
期して集束板２１ａ，２１ｂと集束板２２ａ，２２ｂと
を互いに圧接させる方向へ動作させる駆動機構、ホーン
４とアンビル５とを互いに圧接させる圧接機構、および
切断刃２３を前進させる機構が設けられている。The convergence / sealing mechanism 20 includes a convergence plate 21a as a convergence means, which is provided at an interval vertically.
21b, converging plates 22a, 22b facing the same, the ultrasonic horn 4 located between the upper converging plate 21a and the lower converging plate 21b, and the upper converging plate 22a and the lower side. And the cutting blade 23 located in the middle of the anvil 5. Also, the focusing / sealing mechanism 20 has a driving mechanism for operating the focusing plates 21a, 21b and the focusing plates 22a, 22b in a direction in which the focusing plates 21a, 21b and the focusing plates 22a, 22b are pressed against each other in synchronism with the lifting / lowering operation. A mechanism and a mechanism for moving the cutting blade 23 forward are provided.

【００４３】図１（Ｂ）および図４に示すように、しご
きローラ１８ａと１８ｂとの挟圧力でフィルムの筒状体
内の内容物１７を部分的に排除されて偏平部Ｆｒが形成
されるが、集束・封止機構２０では、この偏平部Ｆｒに
対し、偏平面の両端方向から集束板２１ａ，２１ｂおよ
び集束板２２ａ，２２ｂが、互いに接近する方向へ駆動
され、偏平部Ｆｒが幅方向両側から集束力Ｐ，Ｐを受け
て集束させられる。As shown in FIG. 1B and FIG. 4, the flattened portion Fr is formed by partially removing the contents 17 in the cylindrical body of the film by the clamping force between the ironing rollers 18a and 18b. In the convergence / sealing mechanism 20, the convergence plates 21a and 21b and the convergence plates 22a and 22b are driven toward the flat portion Fr from both ends of the flat surface in a direction approaching each other, and the flat portion Fr is moved to both sides in the width direction. Are focused by receiving focusing powers P and P from.

【００４４】このとき図５（Ａ）に示すように、偏平部
Ｆｒに対して一方の側から例えば２ヵ所にガイド力Ｇ
ａ，Ｇａが与えられ、他方の側から、前記ガイド力Ｇ
ａ，Ｇａに対して互い違いの位置からガイド力Ｇｂ，Ｇ
ｂが与えられる。このガイド力は、集束板２１ａ，２１
ｂと集束板２２ａ，２２ｂにより偏平部Ｆｒに集束力
Ｐ，Ｐが与えられるときに、これに同期して、偏平部Ｆ
ｒの側方からガイド突起またはガイド板を接近させるこ
となどにより与えられる。At this time, as shown in FIG. 5A, the guide force G is applied to the flat portion Fr from, for example, two places on one side.
a and Ga, and the guide force G is applied from the other side.
guide forces Gb and G from alternate positions with respect to a and Ga
b is given. This guide force is applied to the focusing plates 21a, 21a.
When the focusing force P is applied to the flat portion Fr by the b and the focusing plates 22a and 22b, the flat portion F is synchronized with this.
r is provided by approaching a guide projection or a guide plate from the side of r.

【００４５】その結果、集束板２１ａ，２１ｂおよび集
束板２２ａ，２２ｂにより集束させられた集束部２で
は、前記ガイド力ＧａとＧｂにより偏平部Ｆｒが規則的
に折り畳まれ、前記のように、縦シール部Ｓ１は、集束
部２内でフィルム間に挟まれる。また縦シール部Ｓ１
は、集束部２内でＸ方向とＹ方向のほぼ中心に位置す
る。As a result, in the converging portion 2 converged by the converging plates 21a and 21b and the converging plates 22a and 22b, the flat portion Fr is regularly folded by the guide forces Ga and Gb, and as described above, The seal portion S1 is sandwiched between the films in the focusing portion 2. In addition, vertical seal part S1
Is located at substantially the center in the X direction and the Y direction in the focusing unit 2.

【００４６】集束板による集束が完了した直後に、超音
波ホーン４とアンビル５が接近し、集束部２の２ヵ所が
超音波溶着される。このとき、集束部２内の縦シール部
Ｓ１が形成されている箇所のフィルムＦｓの面は、ホー
ン４の加圧面４ａとアンビル５の加圧面５ａとほぼ平行
である。そのため、前記のように集束部２では縦シール
部Ｓ１およびその前後のフィルムが一緒に均一に加圧さ
れて、超音波が与えられる。超音波による溶着をより確
実にするために、ホーン４またはアンビル５を必要に応
じて予熱することが好ましい。Immediately after the focusing by the focusing plate is completed, the ultrasonic horn 4 and the anvil 5 come close to each other, and the two portions of the focusing section 2 are ultrasonically welded. At this time, the surface of the film Fs where the vertical seal portion S1 is formed in the focusing portion 2 is substantially parallel to the pressing surface 4a of the horn 4 and the pressing surface 5a of the anvil 5. Therefore, as described above, the longitudinal seal portion S1 and the films before and after the longitudinal seal portion S1 are uniformly pressed together at the focusing portion 2, and the ultrasonic waves are applied. It is preferable to preheat the horn 4 or the anvil 5 as necessary in order to more reliably perform welding by ultrasonic waves.

【００４７】図１（Ｂ）に示すように、集束・封止機構
２０では、集束板により偏平部Ｆｒが集束させられた後
に、ホーン４とアンビル５が互いに接近するため、ホー
ン４とアンビル５は基端部が支持された片持ち状態の構
造となり、また加圧面４ａと５ａはホーンおよびアンビ
ルの支持基端部から離れている。よって加圧面４ａと５
ａによりフィルムが加圧されたときに、加圧面４ａと加
圧面５ａの平行状態が崩れやすい状態となっている。す
なわち集束部のフィルムの厚みが不均一であったり、ま
たは集束部でのフィルムの厚みに片寄りがあると、加圧
面４ａと５ａが平行状態で加圧されず、ホーンとアンビ
ルに若干の傾きが生じやすくなる。このような状態で
は、集束部のフィルムを均一に加圧するのが困難であ
る。As shown in FIG. 1B, in the focusing / sealing mechanism 20, the horn 4 and the anvil 5 approach each other after the flat portion Fr is focused by the focusing plate, so that the horn 4 and the anvil 5 Has a cantilevered structure with the base end supported, and the pressing surfaces 4a and 5a are separated from the supporting base end of the horn and anvil. Therefore, the pressing surfaces 4a and 5
When the film is pressed by a, the parallel state of the pressing surface 4a and the pressing surface 5a is easily broken. That is, if the film thickness at the converging portion is not uniform or the film thickness at the converging portion is uneven, the pressing surfaces 4a and 5a are not pressed in a parallel state, and the horn and the anvil are slightly inclined. Is more likely to occur. In such a state, it is difficult to uniformly pressurize the film of the focusing unit.

【００４８】これに対し、前記実施の形態では、図５
（Ｂ）に示すように、縦シール部Ｓ１が、集束部２内の
ほぼ中心に位置し、縦シール部Ｓ１がフィルム間で挟ま
れた状態となるため、ホーン４の加圧面４ａとアンビル
５の加圧面５ａが集束部２を安定した状態で加圧しやす
くなり、集束部２がＹ方向のそれぞれの位置で均一に加
圧され、均一に溶融されて封止部３が形成されるように
なる。On the other hand, in the above embodiment, FIG.
As shown in (B), the vertical seal portion S1 is located substantially at the center of the converging portion 2 and the vertical seal portion S1 is sandwiched between the films, so that the pressing surface 4a of the horn 4 and the anvil 5 The pressurizing surface 5a of FIG. 3 easily presses the converging portion 2 in a stable state, and the converging portion 2 is uniformly pressed at each position in the Y direction, is uniformly melted, and the sealing portion 3 is formed. Become.

【００４９】また、図５（Ａ）に示すように、偏平部Ｆ
ｒが形成され、さらに図５（Ｂ）に示すように偏平部Ｆ
ｒが折り畳まれる。このとき、縦シール部Ｓ１が形成さ
れているフィルムの一部分６ａが、縦シール部Ｓ１から
包装体の中心軸に向かう面（Ｙ軸を含む面）に沿って集
束部の内方へ引込まれる。その結果、完成した筒状包装
体１においては、図７に示すように、封止部３の根元部
分において、縦シール部Ｓ１が形成されている部分のフ
ィルムに前記Ｙ軸を含む面方向へ入り込む陥没部６が形
成された形状となる。Further, as shown in FIG.
r is formed, and furthermore, as shown in FIG.
r is folded. At this time, a portion 6a of the film on which the vertical seal portion S1 is formed is drawn inward of the focusing portion along a surface (a surface including the Y axis) from the vertical seal portion S1 toward the central axis of the package. . As a result, in the completed tubular package 1, as shown in FIG. 7, at the root portion of the sealing portion 3, the film at the portion where the vertical seal portion S <b> 1 is formed is directed in the plane direction including the Y axis. It has a shape in which a depression 6 is formed.

【００５０】言い代えると、折り畳み溶着される前記封
止部３の内容物根元にあり且つ筒状体の長手方向に直角
となる集束位置の断面と平行な面にあって、前記集束位
置の断面と縦シール部Ｓ１との交点から前記断面上の筒
状体中心軸への方向（Ｙ軸方向）と平行な方向に、図７
に示すような陥没部６が形成された形状となる。前記封
止部３が形成された後に、上下に間隔を開けて形成され
た封止部３と３の間において集束部２が切断刃２３によ
り切断され、図６に示す個々の筒状包装体に分離され
る。In other words, the cross-section at the base of the contents of the sealing portion 3 to be folded and welded and parallel to the cross-section at the focus position perpendicular to the longitudinal direction of the tubular body, 7 in a direction parallel to the direction (Y-axis direction) from the intersection of the vertical seal portion S1 and the central axis of the cylindrical body on the cross section.
As shown in FIG. After the sealing portion 3 is formed, the convergence portion 2 is cut by the cutting blade 23 between the sealing portions 3 and 3 which are formed at an interval vertically, and the individual tubular package shown in FIG. Is separated into

【００５１】図４に示すように、各集束板２１ａ，２１
ｂおよび集束板２２ａ，２２ｂの対向側には、それぞれ
凹部２５と２６が形成されており、集束板２１ａ，２１
ｂおよび集束板２２ａ，２２ｂが互いに接近する方向へ
駆動されると、偏平部Ｆｒのフィルムが前記凹部２５と
凹部２６内に挟み込まれて挟圧され、その結果フィルム
が集束させられる。As shown in FIG. 4, each focusing plate 21a, 21
b and the converging plates 22a and 22b are formed with concave portions 25 and 26, respectively, on the opposite sides.
When the b and the focusing plates 22a and 22b are driven in a direction approaching each other, the film of the flat portion Fr is sandwiched between the concave portions 25 and the concave portions 26 and pressed, and as a result, the films are focused.

【００５２】本発明では、図５（Ｂ）に示すように、偏
平部Ｆｒが、なるべく規則正しく折り畳まれて集束さ
れ、縦シール部Ｓ１が形成されている部分が、集束部に
て前後からフィルムで挟まれ、しかも縦シール部Ｓ１が
集束部２の幅方向（Ｙ方向）の中心に位置することが好
ましい。In the present invention, as shown in FIG. 5 (B), the flat portion Fr is folded and bundled as regularly as possible, and the portion where the vertical seal portion S1 is formed is formed by a film from the front and back at the bundle portion. It is preferable that the vertical seal portion S <b> 1 is sandwiched and is located at the center of the focusing portion 2 in the width direction (Y direction).

【００５３】図１０（Ａ）（Ｂ）（Ｃ）（Ｄ）は、集束
板２１ａ，２１ｂに形成された前記凹部２５の平面形状
を種類別に示しているが、図１０（Ｄ）は従来例、図１
０（Ａ）（Ｂ）（Ｃ）が、本発明に適する凹部の形状、
図１０（Ａ）（Ｂ）は最も好ましい凹部の形状を示して
いる。なお、これと対向する側の集束板２２ａ，２２ｂ
に設けられる凹部２６，２６は、図１０に示す凹部２５
と対称形状である。FIGS. 10A, 10B, 10C and 10D show the planar shapes of the recesses 25 formed in the converging plates 21a and 21b by type. FIG. 10D shows a conventional example. , FIG.
0 (A) (B) (C) is the shape of the concave portion suitable for the present invention,
FIGS. 10A and 10B show the most preferable shapes of the concave portions. Note that the converging plates 22a, 22b on the opposite side
The recesses 26, 26 provided in the
And a symmetrical shape.

【００５４】図１２（Ｃ）は図１０（Ｄ）に示した従来
の凹部２５の平面形状を示している。従来例では、凹部
２５の底部２５ａは円弧形状である。この従来例は、金
属クリップで結紮を行う場合のフィルムの集束には適し
ているが、本発明でのフィルムの集束には不向きであ
る。なぜならば、この凹部２５と、これに対向する凹部
２６とで偏平部Ｆｒが集束されるときに、底部２５ａが
円弧形状であるため、凹部２６において、集束の初期段
階で偏平部Ｆｒの端部が静止固定されずに滑るため、フ
ィルムの折り畳みに規則性を生じさせることができず、
溶着後の封止部３の断面では、図１２（Ｄ）に示すよう
に、中心の溶着部（ｉ）の断面積が小さく、この溶着部
（ｉ）の両側にフィルムのはみ出し部分（ｉｉ）が形成
される。溶着部（ｉ）に対しフィルムのはみ出し部分
（ｉｉ）は溶着強度が低くなり、（ｉｉ）の部分からは
み出しているフィルムにピンホールなどが生じやすくな
る。FIG. 12C shows a plan view of the conventional recess 25 shown in FIG. 10D. In the conventional example, the bottom 25a of the concave portion 25 has an arc shape. This conventional example is suitable for film convergence when ligating with a metal clip, but is not suitable for film convergence in the present invention. This is because, when the flat portion Fr is converged by the concave portion 25 and the concave portion 26 facing the concave portion 25, the bottom portion 25a has an arc shape. Is not stationary and slides, so it is not possible to create regularity in film folding,
In the cross section of the sealing portion 3 after welding, as shown in FIG. 12D, the cross-sectional area of the central welding portion (i) is small, and the protruding portions (ii) of the film on both sides of the welding portion (i). Is formed. The protruding portion (ii) of the film has a lower welding strength than the welded portion (i), and the film protruding from the portion (ii) tends to have a pinhole or the like.

【００５５】図１２（Ａ）は、図１０（Ｃ）に示した集
束板２１ａ，２１ｂの凹部２５を示している。この凹部
２５の底部２５ａは、偏平部Ｆｒの偏平面と直交する平
面部となっている。この凹部２５により集束されて溶着
された封止部３の断面形状を図１２（Ｂ）に示してい
る。この場合には、凹部２５の底部２５ａが平面部を有
していることにより、ホーンとアンビルで挟圧されて溶
着される溶着部（ｉ）の断面積が図１２（Ｄ）のものよ
りも大きくなり、はみ出し部（ｉｉ）にはみ出している
フィルムも図１２（Ｄ）のものよりも短くなる。よっ
て、はみ出し部（ｉｉ）でのピンホールが形成される確
率は図１２（Ｃ）（Ｄ）よりも低くなり、密封良品率を
高くできる。FIG. 12A shows the concave portions 25 of the collecting plates 21a and 21b shown in FIG. 10C. The bottom 25a of the concave portion 25 is a flat portion orthogonal to the flat surface of the flat portion Fr. FIG. 12B shows a cross-sectional shape of the sealing portion 3 which is focused and welded by the concave portion 25. In this case, since the bottom portion 25a of the concave portion 25 has a flat portion, the cross-sectional area of the welded portion (i) that is pressed and welded by the horn and the anvil and is welded is smaller than that of FIG. The size of the film protruding from the protruding portion (ii) is shorter than that of FIG. 12D. Therefore, the probability that a pinhole is formed in the protruding portion (ii) is lower than in FIGS. 12C and 12D, and the percentage of non-defective products can be increased.

【００５６】ただし、図１２（Ａ）に示す凹部２５は、
開口部２５ｂの開口幅が底部２５ａの幅寸法よりも大き
いために、底部２５ａでの平面部の幅寸法が小さくなら
ざるを得ない。その結果、図１２（Ｂ）に示すように、
溶着部（ｉ）の断面積を十分に大きくすることができ
ず、溶着部（ｉ）の両側にフィルムのはみ出し部（ｉ
ｉ）が若干残り、封止部良品率が低くなる余地がある。However, the recess 25 shown in FIG.
Since the opening width of the opening 25b is larger than the width of the bottom 25a, the width of the flat portion at the bottom 25a must be reduced. As a result, as shown in FIG.
The cross-sectional area of the welded portion (i) cannot be made sufficiently large, and the protruding portions (i) of the film are provided on both sides of the welded portion (i).
i) remains slightly, and there is room for lowering the non-defective product rate of the sealing portion.

【００５７】図１１（Ａ）（Ｃ）は、最も好ましい凹部
２５の形状を示している。これは図１０（Ａ）（Ｂ）に
示したものと同じである。図１１（Ａ）と（Ｃ）に示す
凹部２５は、共に底部２５ａが偏平部Ｆｒの偏平面と直
交する平面部となっている。また図１１（Ａ）では凹部
２５の開口部２５ｂの開口幅が底部２５ａの幅寸法と同
じであり、図１１（Ｃ）は開口部２５ｂの開口幅が底部
２５ａの幅寸法よりも狭くなっている。FIGS. 11A and 11C show the most preferable shapes of the concave portions 25. FIG. This is the same as that shown in FIGS. In the recess 25 shown in FIGS. 11A and 11C, the bottom 25a is a plane portion orthogonal to the plane of the flat portion Fr. In FIG. 11A, the opening width of the opening 25b of the recess 25 is the same as the width of the bottom 25a, and in FIG. 11C, the opening width of the opening 25b is smaller than the width of the bottom 25a. I have.

【００５８】図１１（Ａ）の凹部２５で集束されたフィ
ルムが溶着された封止部３の断面を図１１（Ｂ）に示
し、図１１（Ｃ）の凹部２５で集束されたフィルムが溶
着された封止部３の断面を図１１（Ｄ）に示している。
図１１（Ａ）（Ｃ）に示す凹部２５を用いると、底部２
５ａの平面部の幅寸法が大きいために、この凹部２５内
で集束されるフィルムが平面的に挟圧される面積が広く
なり、フィルムが規則的に折り畳まれやすくなり、図１
１（Ｂ）（Ｄ）に示す封止部３の断面では、良好に溶着
される溶着部（ｉ）の面積が非常に広くなる。さらに溶
着部（ｉ）の両側の部分（ｉｉｉ）においてもフィルム
が十分に溶融されて溶着されることになる。その結果、
溶着部からはみ出すフィルムが少なくなって、フィルム
の封止部良品率が高くなる。FIG. 11B shows a cross section of the sealing portion 3 to which the film bundled in the concave portion 25 in FIG. 11A is welded, and the film bundled in the concave portion 25 in FIG. FIG. 11D shows a cross section of the sealed portion 3 thus completed.
When the recess 25 shown in FIGS. 11A and 11C is used, the bottom 2
Since the width of the flat portion 5a is large, the area where the film converged in the concave portion 25 is flatly pressed is widened, and the film is easily folded regularly.
In the cross section of the sealing portion 3 shown in FIGS. 1 (B) and (D), the area of the welded portion (i) which is well welded becomes very large. Further, the film is sufficiently melted and welded at the portions (iii) on both sides of the welded portion (i). as a result,
The amount of the film protruding from the welded portion is reduced, and the yield of the sealed portion of the film is increased.

【００５９】前記の実施の形態では、図５（Ａ）に示す
ように、フィルムＦの一方の縁部Ｆａの内面が他方の縁
部Ｆｂの外面に平面的に重ねられたいわゆる封筒状背貼
りの状態で、縦シール部Ｓ１が形成されているが、図８
に示すように、フィルムの内面どうしが対面した状態で
高周波溶着され、縁部ＦａとＦｂが筒状体の外側へ突出
するいわゆる合掌状背貼りの状態で、縦シール部Ｓ２が
形成されてもよい。In the above embodiment, as shown in FIG. 5 (A), a so-called envelope-shaped backing plate in which the inner surface of one edge Fa of the film F is overlapped with the outer surface of the other edge Fb in a plane. 8, the vertical seal portion S1 is formed.
As shown in the figure, even if the vertical seal portion S2 is formed in a so-called palm-shape-backed state in which the high-frequency welding is performed with the inner surfaces of the films facing each other, and the edges Fa and Fb protrude to the outside of the cylindrical body. Good.

【００６０】[0060]

【実施例】〔実施例〕本発明の実施例として、以下の筒
状包装体を製造した。 （包装フィルム）塩化ビニリデン共重合体フィルム（呉
羽化学工業株式会社製の製品名「クレハロン」）で、フ
ィルムの合計厚みが８０μｍのものを使用した。 （包装機）呉羽化学工業株式会社製の縦型連続充填包装
機「ＫＡＰ５００型」を改良して、前記実施の形態で説
明した筒状包装体を製造できるものとした。縦シール部
Ｓ１は、高周波溶着により、フィルムＦの縁部ＦａとＦ
ｂを封筒状背貼りして形成した。集束部は図１０（Ａ）
に示す金型を用いた。封止部３は超音波溶着により行
い、超音波振動を生じさせる超音波ウエルダーにはジル
コニウムチタン酸鉛粉末焼結体から成る振動子を用い、
周波数４０ｋＨｚ、ホーン４の縦振動振幅１０μｍの条
件で超音波溶着を行なった。 （内容物）飽和食塩水を１個の筒状包装体当り約３８０
ｇ充填した。また、餅状菓子の原液を１個の筒状包装体
当り約４００ｇ充填した。EXAMPLES [Examples] As examples of the present invention, the following tubular packages were manufactured. (Packaging film) A vinylidene chloride copolymer film (product name “Crehalon” manufactured by Kureha Chemical Industry Co., Ltd.) having a total thickness of 80 μm was used. (Packing machine) The vertical continuous filling and packaging machine “KAP500” manufactured by Kureha Chemical Industry Co., Ltd. was improved to manufacture the tubular package described in the above embodiment. The vertical seal portion S1 is formed by welding the edges Fa and F of the film F by high frequency welding.
b was formed by sticking it on an envelope-shaped back. The focusing section is shown in FIG.
The mold shown in FIG. The sealing portion 3 is formed by ultrasonic welding, and a vibrator made of a lead zirconium titanate powder sintered body is used for an ultrasonic welder for generating ultrasonic vibration.
Ultrasonic welding was performed under the conditions of a frequency of 40 kHz and a longitudinal vibration amplitude of the horn 4 of 10 μm. (Contents) Approximately 380 saturated saline solution per one cylindrical package
g. In addition, about 400 g of the stock solution of rice cake-shaped confectionery was filled per one cylindrical package.

【００６１】〔比較例〕前記実施例と同じ縦型連続充填
包装機を使用し、実施例と同じフィルムを使用して、筒
状包装体を製造した。ただし、図１０（Ｄ）に示すＵ字
状の凹部２５、２６を備えた集束板２１ａ、２１ｂ、２
２ａ、２２ｂを用いて、偏平部Ｆｒを折り畳み、図１２
（Ｃ）（Ｄ）に示す封止部を得た。その他の溶着条件、
内容物は実施例と同じとした。[Comparative Example] A tubular package was manufactured using the same vertical type continuous filling and packaging machine as in the above example, and using the same film as in the example. However, focusing plates 21a, 21b, 2 provided with U-shaped concave portions 25, 26 shown in FIG.
2a and 22b, the flat portion Fr is folded, and FIG.
(C) The sealing part shown in (D) was obtained. Other welding conditions,
The contents were the same as in the example.

【００６２】〔評価方法〕 （電気導通試験）飽和食塩水を内容物とした実施例と比
較例の筒状包装体をそれぞれ１００個ずつ用意し、また
餅状菓子の原液を内容物とした実施例と比較例の筒状包
装体もそれぞれ１００個ずつ用意した。飽和食塩水を満
たした容器内に、それぞれの筒状包装体の封止部３を浸
し、導通テスターの正負極の一方の針を筒状包装体に刺
し、他方の針を容器内の飽和食塩水に刺し、電気抵抗を
測定した。測定された電気抵抗が３００ｋΩ以上なら
ば、封止部３にピンホールが生じておらず、密封部良品
とし、密封良品の割合を密封良品率とした。 （湿式加熱試験）飽和食塩水を内容物とした実施例と比
較例の筒状包装体をそれぞれ１００個ずつ用意し、また
餅状菓子の原液を内容物とした実施例と比較例の筒状包
装体もそれぞれ１００個ずつ用意した。各筒状包装体を
９０℃で１時間熱水加熱した後に、封止部３に破れが生
じているかを目視で観察した。その結果、封止部３に破
れが生じていないものを、封止部良品とし、封止部良品
の割合を封止部良品率とした。[Evaluation method] (Electrical continuity test) 100 pieces of the cylindrical packages of the embodiment and the comparative example each containing saturated saline were prepared, and the undiluted solution of rice cake-shaped confectionery was used as the content. 100 cylindrical packages of the example and the comparative example were also prepared. The sealing portion 3 of each cylindrical package is immersed in a container filled with a saturated saline solution, one of the positive and negative electrodes of the conduction tester is stabbed into the cylindrical package, and the other needle is inserted into the saturated saline solution in the container. Water was stabbed and the electrical resistance was measured. If the measured electric resistance was 300 kΩ or more, no pinholes were formed in the sealing portion 3 and the sealing portion was regarded as a non-defective product. (Wet heating test) 100 pieces of cylindrical packages of the example and the comparative example each containing saturated saline were prepared, and the cylinders of the example and the comparative example containing the undiluted solution of rice cake-shaped confectionery were prepared. 100 packages were also prepared. After heating each tubular package at 90 ° C. for 1 hour with hot water, it was visually observed whether or not the sealing portion 3 was broken. As a result, those in which the sealing portion 3 was not broken were defined as non-defective sealing portions, and the ratio of non-defective sealing portions was defined as the non-defective sealing portion ratio.

【００６３】〔評価結果〕 （実施例） ・内容物が飽和食塩水のもの 密封良品率＝９８％ 封止部良品率＝９９％ ・内容物が餅状菓子の原液のもの 密封良品率＝９９％ 封止部良品率＝１００％ （比較例） ・内容物が飽和食塩水のもの 密封良品率＝５８％ 封止部良品率＝８２％ ・内容物が餅状菓子の原液のもの 密封良品率＝７０％ 封止部良品率＝９３％[Evaluation Results] (Example)-The content is a saturated saline solution. Non-defective product rate of sealed product = 98%. The non-defective product content of the sealed part is 99%. % Sealed portion non-defective rate = 100% (Comparative example)-Content of saturated saline solution Sealed non-defective rate = 58% Sealed portion non-defective rate = 82%-Contents of undiluted rice cake confection sealed non-defective rate = 70% Non-defective product rate of sealing part = 93%

【００６４】[0064]

【発明の効果】以上のように本発明では、筒状包装体の
両端部の集束部でフィルムを溶着させて封止部を形成す
る際に、縦シール部が存在していても、溶着の際の加圧
力が不均一となることがなく、封止部を均一に溶着で
き、ピンホールや破れなどによる密封不良が生じにくく
なる。As described above, according to the present invention, when the sealing portion is formed by welding the films at the convergence portions at both ends of the cylindrical package, even if the vertical seal portion is present, In this case, the applied pressure does not become non-uniform, the sealing portion can be welded uniformly, and poor sealing due to pinholes, tears, and the like is less likely to occur.

【図面の簡単な説明】[Brief description of the drawings]

【図１】（Ａ）は、本発明の筒状包装体の製造に使用さ
れる縦型連続充填包装装置の正面図、（Ｂ）は（Ａ）の
部分側面図、FIG. 1A is a front view of a vertical continuous filling and packaging apparatus used for manufacturing a tubular package of the present invention, FIG. 1B is a partial side view of FIG.

【図２】図１（Ａ）の縦型連続充填包装装置のフィルム
成形部と縦シール形成部を示す斜視図、FIG. 2 is a perspective view showing a film forming section and a vertical seal forming section of the vertical continuous filling and packaging apparatus of FIG. 1 (A);

【図３】フィルムの筒状体に偏平部が形成された状態を
示す部分斜視図、FIG. 3 is a partial perspective view showing a state where a flat portion is formed in a tubular body of a film;

【図４】偏平部が集束板により集束させられる状態を示
す部分斜視図、FIG. 4 is a partial perspective view showing a state in which the flat portion is focused by a focusing plate;

【図５】（Ａ）は偏平部の断面図、（Ｂ）は集束部が超
音波溶着される状態を示す断面図、5A is a cross-sectional view of a flat portion, FIG. 5B is a cross-sectional view showing a state in which a focusing portion is ultrasonically welded,

【図６】本発明の筒状包装体を示す正面図、FIG. 6 is a front view showing a tubular package of the present invention;

【図７】筒状包装体の封止部を示す拡大斜視図、FIG. 7 is an enlarged perspective view showing a sealing portion of the tubular package;

【図８】縦シール部の他の構造を示す断面図、FIG. 8 is a cross-sectional view showing another structure of the vertical seal portion.

【図９】（Ａ）は比較例の偏平部を示す断面図、（Ｂ）
は比較例の集束部が超音波溶着される状態を示す断面
図、FIG. 9A is a cross-sectional view showing a flat portion of a comparative example, and FIG.
Is a cross-sectional view showing a state where the focusing portion of the comparative example is ultrasonically welded,

【図１０】（Ａ）（Ｂ）（Ｃ）（Ｄ）は、集束板を種類
別に示す平面図、FIGS. 10A, 10B, 10C, and 10D are plan views showing a type of a focusing plate;

【図１１】（Ａ）（Ｃ）は集束板の凹部を種類別に示す
拡大平面図、（Ｂ）（Ｄ）はそれぞれの凹部で集束され
て溶着された封止部の断面図、11 (A) and 11 (C) are enlarged plan views each showing a concave portion of a focusing plate by type, and FIGS. 11 (B) and 11 (D) are cross-sectional views of a sealing portion which is focused and welded at each concave portion.

【図１２】（Ａ）（Ｃ）は集束板の凹部を種類別に示す
拡大平面図、（Ｂ）（Ｄ）はそれぞれの凹部で集束され
て溶着された封止部の断面図、12 (A) and 12 (C) are enlarged plan views each showing a concave portion of a focusing plate by type, and FIGS. 12 (B) and 12 (D) are cross-sectional views of a sealed portion which is focused and welded at each concave portion.

【符号の説明】[Explanation of symbols]

Ｆ フィルム Ｆａ，Ｆｂ フィルムの縁部 Ｆｒ 偏平部 Ｆｓ 縦シール部が形成されている部分のフィルム Ｓ１，Ｓ２ 縦シール部 １ 筒状包装体 ２ 集束部 ３ 封止部 ４ ホーン ４ａ 加圧面 ５ アンビル ５ａ 加圧面 ６ 陥没部 １２ 成形部材 １３ａ，１３ｂ 縦シール部を形成する高周波電極 １８ａ，１８ｂ しごきローラ ２１ａ，２１ｂ，２２ａ，２２ｂ 集束板 ２５，２６ 凹部 ２５ａ 底部 ２５ｂ 開口部 F film Fa, Fb Edge of film Fr Flat portion Fs Film of portion where vertical seal portion is formed S1, S2 Vertical seal portion 1 Cylindrical package 2 Converging portion 3 Sealing portion 4 Horn 4a Pressing surface 5 Anvil 5a Pressing surface 6 Depressed portion 12 Molded member 13a, 13b High-frequency electrode 18a, 18b forming vertical seal portion Ironing roller 21a, 21b, 22a, 22b Converging plate 25, 26 Concave portion 25a Bottom portion 25b Opening

Claims (8)

【特許請求の範囲】[Claims] 【請求項１】 フィルムの縁部どうしを接合する縦シー
ル部が長手方向に延びる筒状体に内容物が充填されてお
り、前記筒状体の長手方向の両端部でフィルムが集束
し、この集束部でフィルムが溶着されて封止部が形成さ
れた筒状包装体において、 前記封止部では、フィルムが折り畳まれ且つ前記縦シー
ル部が折り畳みの中間でフィルム間に挟まれた状態でフ
ィルムが集束されており、前記集束されたフィルムは、
折り畳まれるフィルムの重なり方向から挟圧され、 前記縦シール部およびこの縦シール部に重なるフィルム
が溶着されて、金属製のクリップを用いることなく封止
部が形成されていることを特徴とする筒状包装体。1. A vertical sealing portion that joins edges of a film is filled in a cylindrical body extending in a longitudinal direction, and the film is converged at both longitudinal ends of the cylindrical body. In a cylindrical package body in which a film is welded at a focusing portion to form a sealing portion, the film is folded at the sealing portion and the vertical seal portion is sandwiched between the films in the middle of folding. Are focused, and the focused film is
A tube characterized in that a pressure is applied from the overlapping direction of the film to be folded, the vertical seal portion and the film overlapping the vertical seal portion are welded, and a sealing portion is formed without using a metal clip. Shaped package. 【請求項２】 縦シール部およびこの縦シール部に重な
るフィルムは、封止部の断面のほぼ全領域において溶着
されている請求項１記載の筒状包装体。2. The tubular package according to claim 1, wherein the vertical seal portion and the film overlapping the vertical seal portion are welded over substantially the entire cross section of the sealing portion. 【請求項３】 縦シール部は、封止部の表面に現れない
位置でフィルム間に挟まれている請求項１または２記載
の筒状包装体。3. The tubular package according to claim 1, wherein the vertical seal portion is sandwiched between the films at a position that does not appear on the surface of the seal portion. 【請求項４】 フィルムの縁部どうしが接合された縦シ
ール部が長手方向に延びる筒状体を形成する工程と、 前記筒状体の内部に内容物を充填する工程と、 内容物が充填された部分の筒状包装体を、縦シール部と
対面する方向から押圧して偏平部を形成する工程と、 前記偏平部の両端側から集束力を与えて、前記縦シール
部がフィルム間に挟まれるようにフィルムを折り畳んで
集束させる工程と、 前記集束部を、折り畳まれたフィルムの重なり方向から
挟圧して、前記縦シール部およびこの縦シール部の前後
に位置するフィルムを溶着して封止部を形成する工程
と、 前記集束部において間隔を開けて形成された前記封止部
の中間で個々の包装体毎に分離する工程とを含み、 筒状体の長手方向の両端部に金属製のクリップを用いな
い封止部を形成することを特徴とする筒状包装体の製造
方法。4. A step of forming a cylindrical body extending in a longitudinal direction with a vertical seal portion where edges of the film are joined to each other, a step of filling the inside of the cylindrical body, and a step of filling the contents. A step of pressing the cylindrical package of the set portion from the direction facing the vertical seal portion to form a flat portion, and applying a converging force from both ends of the flat portion, so that the vertical seal portion is between the films. Folding and bundling the film so as to be sandwiched, and pressing the bundling portion from the overlapping direction of the folded film to weld and seal the vertical sealing portion and the films located before and after the vertical sealing portion. Forming a stop, and separating each individual package in the middle of the sealing portion formed at an interval in the convergence portion, wherein metal is provided at both ends in the longitudinal direction of the cylindrical body. Sealing parts that do not use stainless steel clips A method for producing a tubular package, comprising: forming a package; 【請求項５】 前記集束部を形成する工程で、前記縦シ
ール部が集束部の内部に位置するように偏平部が折り畳
まれるように、前記偏平部に対し側方から案内力を与え
る請求項４記載の筒状包装体の製造方法。5. The step of forming a convergence portion, wherein a guiding force is applied to the flat portion from the side so that the flat portion is folded so that the vertical seal portion is located inside the convergence portion. 5. The method for producing a cylindrical package according to 4. 【請求項６】 フィルムの縁部どうしが接合された縦シ
ール部を筒状体の長手方向へ形成するシール手段と、前
記筒状体の内部に内容物を充填する手段と、前記筒状体
を前記縦シール部と対面する方向から挟圧して筒状体内
の内容物を除去して偏平部を形成するしごき手段と、前
記偏平部の両端側から挟圧して前記偏平部を集束する集
束手段と、前記集束手段で集束された集束部のフィルム
を溶着する溶着手段と、溶着部の中間で集束部を切断す
る切断手段とが設けられ、 前記集束手段には、前記偏平部に集束力を与える凹部が
形成されており、この凹部の底部は、前記偏平部の偏平
面とほぼ直交する平面部分を有し、この凹部で前記偏平
部が集束させられるときに、前記偏平部は縦シール部が
前後からフィルムで挟まれるように折り畳まれ、 前記溶着手段では、前記集束部において折り畳まれたフ
ィルムの重なり方向から前記集束部を挟圧して縦シール
部およびその前後のフィルムを溶着する加圧溶着部材が
設けられていることを特徴とする筒状包装体の製造装
置。6. A sealing means for forming a longitudinal seal portion in which the edges of the film are joined to each other in the longitudinal direction of the tubular body, means for filling the inside of the tubular body with contents, and the tubular body Pressing means from the direction facing the vertical seal portion to remove contents in the cylindrical body to form a flat portion, and converging means for pressing the flat portions from both ends to converge the flat portion. Welding means for welding the film of the convergence portion converged by the convergence means, and cutting means for cutting the convergence portion in the middle of the welding portion are provided, and the convergence means applies a converging force to the flat portion. The flat portion has a flat portion substantially perpendicular to the flat surface of the flat portion, and when the flat portion is converged by the concave portion, the flat portion becomes a vertical seal portion. Is folded so that it is sandwiched between the films from the front and back A cylinder, wherein the welding unit is provided with a pressure welding member that presses the focusing portion from the overlapping direction of the films folded at the focusing portion and welds the vertical seal portion and films before and after the vertical sealing portion. Manufacturing equipment for the shape of a package. 【請求項７】 前記集束手段の凹部の開口部の開口幅
が、前記平面状の底部の幅寸法と同じかそれ以下である
請求項６記載の筒状包装体の製造装置。7. The apparatus for manufacturing a tubular package according to claim 6, wherein an opening width of an opening of the concave portion of the converging means is equal to or smaller than a width dimension of the flat bottom. 【請求項８】 前記溶着手段が超音波溶着であり、前記
加圧溶着部材が予備加熱されたアルビンからなる、請求
項６または７記載の筒状包装体の製造装置。8. The apparatus for manufacturing a tubular package according to claim 6, wherein said welding means is ultrasonic welding, and said pressure welding member is made of preheated albin.
JP33558797A 1997-12-05 1997-12-05 Cylindrical package, manufacturing method thereof and manufacturing apparatus thereof Expired - Lifetime JP4152464B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP33558797A JP4152464B2 (en) 1997-12-05 1997-12-05 Cylindrical package, manufacturing method thereof and manufacturing apparatus thereof
PCT/JP1998/005371 WO1999029575A1 (en) 1997-12-05 1998-11-30 Cylindrical package, and method and apparatus for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33558797A JP4152464B2 (en) 1997-12-05 1997-12-05 Cylindrical package, manufacturing method thereof and manufacturing apparatus thereof

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008016002A Division JP4558805B2 (en) 2008-01-28 2008-01-28 Cylindrical package manufacturing equipment

Publications (2)

Publication Number Publication Date
JPH11165713A true JPH11165713A (en) 1999-06-22
JP4152464B2 JP4152464B2 (en) 2008-09-17

Family

ID=18290260

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WO (1) WO1999029575A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064259A1 (en) * 2002-01-25 2003-08-07 Kureha Chemical Industry Co., Ltd. Device and method for filling and packaging, packaged body, and method of manufacturing the packaged body
JP2006069648A (en) * 2004-09-03 2006-03-16 Kureha Corp Package manufacturing apparatus, package manufacturing method and package
KR102062394B1 (en) * 2019-09-26 2020-02-11 석몽필 Pillow Packing Machine Triple Center Sealing Device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005047507A1 (en) * 2005-10-04 2007-04-12 H.E.T. - Anke Filtertechnik Gmbh Method and device for closing plastic bags
CN111467897A (en) * 2020-03-12 2020-07-31 江苏人和环保设备有限公司 Tail end welding-free blowing pipe for filter drum dust remover

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5926424A (en) * 1982-08-02 1984-02-10 旭化成株式会社 Packing method
JPS5926467A (en) * 1982-08-02 1984-02-10 旭化成株式会社 Cylindrical package
JPS62251325A (en) * 1986-04-18 1987-11-02 呉羽化学工業株式会社 Filling packaging method and device
JP2516885B2 (en) * 1987-04-30 1996-07-24 呉羽化学工業株式会社 Package, manufacturing method and manufacturing apparatus thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064259A1 (en) * 2002-01-25 2003-08-07 Kureha Chemical Industry Co., Ltd. Device and method for filling and packaging, packaged body, and method of manufacturing the packaged body
CN1308186C (en) * 2002-01-25 2007-04-04 株式会社吴羽 Device and method for filling and packaging packaged body, and method of mfg. packaged body
JP2006069648A (en) * 2004-09-03 2006-03-16 Kureha Corp Package manufacturing apparatus, package manufacturing method and package
KR102062394B1 (en) * 2019-09-26 2020-02-11 석몽필 Pillow Packing Machine Triple Center Sealing Device

Also Published As

Publication number Publication date
JP4152464B2 (en) 2008-09-17
WO1999029575A1 (en) 1999-06-17

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