WO1999029575A1 - Conditionnement cylindrique, procede et appareil de production de celui-ci - Google Patents

Conditionnement cylindrique, procede et appareil de production de celui-ci Download PDF

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Publication number
WO1999029575A1
WO1999029575A1 PCT/JP1998/005371 JP9805371W WO9929575A1 WO 1999029575 A1 WO1999029575 A1 WO 1999029575A1 JP 9805371 W JP9805371 W JP 9805371W WO 9929575 A1 WO9929575 A1 WO 9929575A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
vertical seal
flat
convergence
focusing
Prior art date
Application number
PCT/JP1998/005371
Other languages
English (en)
Japanese (ja)
Inventor
Shingo Okada
Hiroomi Kanoh
Original Assignee
Kureha Chemical Industry Company, Limited
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 Chemical Industry Company, Limited filed Critical Kureha Chemical Industry Company, Limited
Publication of WO1999029575A1 publication Critical patent/WO1999029575A1/fr

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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
    • B29C66/01—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

Definitions

  • the present invention relates to a method for manufacturing a cylindrical film having a vertical seal portion, comprising: filling a content such as a processed food into a cylindrical body of the film; TECHNICAL FIELD
  • the present invention relates to a tubular package that is bundled, and the bundle is fused and sealed without having a metal clip, a method for producing the same, and a device for producing the same. Background art
  • the general form of a tubular package filled with processed food is that the film is supplied in the longitudinal direction, and the ⁇ parts on both sides in the width direction of the film are joined together to form a vertical seal (or “ Is formed to form a tubular body (continuous tubular body), and the inside of the tubular body is filled with contents. Then, at intervals in the longitudinal direction of the continuous tubular body (that is, at both ends of the tubular package), it is pressed so as to be in a flat state to separate the contents in the tubular body. This operation is performed (squeezing or dividing), and the flat portion is pressed by the focusing plate to be focused. Then, the convergence portion is ligated at two places by a wire clip formed of a metal such as aluminum, and at the convergence portion, the middle of the two ligature portions is cut to form a continuous cylindrical shape. The body is separated into individual tubular packages.
  • the above-mentioned package reacts to the metal detecting means in the quality control of the cylindrical package performed by the metal detection method, and causes inconvenience in metal detection as a foreign substance.
  • JP-A-59-26424, JP-A-59-26467, and JP-B-5-674966 disclose a film form. After the contents are filled into the formed continuous cylindrical body, the film is focused at the part where the contents have been removed, and the film at the focusing part is used as it is using ultrasonic welding means. A technique has been disclosed in which the material is melted and sealed without using a wire clip.
  • the pressure resistance of the sealing portion is not sufficient.
  • the heating step Due to an increase in the internal pressure of the cylindrical package, the package may not be able to maintain its tight seal. For example, a pinhole may be detected in an electrical continuity test.
  • Japanese Patent Publication No. Hei 5-674796 discloses that a constant pressure is applied to an ultrasonic horn and an anvil sandwiching a focusing portion of a film, so that the film of the focusing portion can be prevented.
  • a technique has been disclosed in which a contact pressure between a horn and an anvil is ensured and a film is welded at a sealing portion.
  • a seal with sufficient pressure resistance The stop cannot be formed constantly.
  • 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, and have found that the vertical seal for joining the edges of the filem. It was understood that it was caused by the position of the part in the focusing part. That is, conventionally, when the film is focused, the existence of the vertical seal portion is not taken into consideration, so that the position of the vertical seal portion within the film focus portion is random, and the position of the vertical seal portion is random. The orientation is irregular. For example, when the focusing portion is sandwiched between the ultrasonic horn and the anvil and heat is generated in the film of the focusing portion, the horn and the anvil may be disturbed. It was found that the thickness of the film sandwiched between them became uneven, and as a result, it was difficult for the film to be uniformly melted at the focusing portion.
  • a part of the film F may be used.
  • the convergence plate moves from the side facing the vertical seal portion S1 toward the vertical seal portion S1, and the film F is converged.
  • the vertical seal portion S 1 in the focusing portion 2 is more likely to appear on the surface facing the ultrasonic horn 4 or the anvil 5.
  • the vertical seal portion S 1 This would be Horn 4 or Anvil 5.
  • the pinching pressure on the entire film F sandwiched between the horn 4 and the anvil 5 acts non-uniformly, and the film F of the focusing section 2 is uniformly melted.
  • the pressure resistance of the sealing portion decreases, and the percentage of non-defective products in the sealed portion and the non-defective portion in the sealing portion decrease.
  • the present invention is to solve the above-mentioned conventional problem, and does not use a metal wire clip by focusing both ends of a cylindrical body and melting the film by ultrasonic waves or the like.
  • a sealing portion a cylindrical package body in which a film can be uniformly melted at a convergence portion so as to form a sealing portion having high pressure resistance, a method of manufacturing the same, and a method of manufacturing the same. It aims to provide manufacturing equipment.
  • the present invention relates to a tubular package comprising a tubular body of a film to be filled with a content, wherein the tubular body includes a part of a film extending in a longitudinal direction of the tubular body.
  • a vertical seal portion formed by joining the two members is provided, and the film converges at both ends in the longitudinal direction of the tubular body to form a converging portion.
  • a sealing portion is formed by welding the film at the focusing portion;
  • the film is folded to form a number of folded portions, one of the folded portions includes the vertical seal portion, and the folded portion including the vertical seal portion is the other. Focused so that it is sandwiched by the folds,
  • the sealing portion is a tubular package, and is welded by pressing the convergence portion in a direction in which the folding portion overlaps.
  • the sealing portion The film forming the seal is welded over the entire area of the sealing portion, and the vertical seal portion is It is preferable to be sandwiched between the folded portions at a position that does not appear on the surface of the sealing portion, since pinholes are less likely to occur and the yield of non-defective sealing portions is increased.
  • the cylindrical body extending in the longitudinal direction is filled with the contents, and the longitudinal seal portion joining the two parts of the film is filled with the contents, and the films at both ends in the longitudinal direction of the cylindrical body are converged.
  • a bundle including a vertical seal portion is formed, and the film is welded at the bundle to form a sealed portion.
  • the following items (a) and (b) are simultaneously satisfied. This is preferred.
  • a depression is formed along the direction parallel to the center axis of item (a).
  • Means for melting the film in the present invention is an ultrasonic welding means for sandwiching the film of the focusing portion with an ultrasonic horn and an anvil and generating heat in the film by ultrasonic waves, or A high-frequency electrode clamps the film at the focusing section, and high-frequency welding means that generates heat in the film by high-frequency dielectric heating, or a heating plate sandwiches the film at the focusing section and heats the plate.
  • the vertical seal portion is buried so as to be sandwiched between the folded portions of the film inside the focusing portion. Unevenness where the vertical seal is formed .
  • the vertical seal portion is located at the center in the width direction of the focusing portion.
  • the film of the focusing part is pressed almost uniformly while the vertical seal part is buried almost in the center of the focusing part. This film is melted.
  • the film at the converging portion is sufficiently and almost uniformly melted, and the vertical seal portion and its The films located before and after are welded, and the pressure resistance of the focusing portion increases.
  • the cylindrical body of the portion from which the content has been removed is squeezed from the direction facing the vertical seal portion to form a flat portion, and the vertical seal portion is formed at an intermediate portion in the width direction of the flat portion.
  • the flat portion is folded to form a converging portion thereafter.
  • this focusing portion is formed.
  • a pressing surface such as a horn and an anvil
  • a step of filling the inside of the tubular body with contents Pressing the cylindrical package filled with the content from the direction facing the vertical seal portion to form a flat portion except for the content of the portion, and converging force from both ends of the flat portion.
  • a plurality of folds are formed, one of the folds includes the vertical seal, and the fold including the vertical seal is sandwiched by the other folds.
  • a guide force is applied to the flat section from the flat side of the flat section so that the vertical seal section is located at the center of the collection section.
  • the apparatus for manufacturing a tubular package of the present invention includes:
  • Sealing means for joining the edges of the film to form a vertical seal in the longitudinal direction of the cylindrical body of the film; means for filling the inside of the cylindrical body with contents; Squeezing means for squeezing the cylindrical body from a direction facing the vertical seal portion to remove contents in the cylindrical body to form a flat portion; and converging means for converging the flat portion to form a converging portion.
  • Welding means for welding the film of the convergence part at two places, and cutting means for cutting the convergence part between the two welded parts,
  • the converging means has a concave portion for applying a converging force from both ends of the flat portion to the flat portion, and the bottom of the concave portion is a plane substantially orthogonal to the flat surface of the flat portion.
  • the welding means includes a pressure welding member that welds the film of the convergence portion at two places while pressing the convergence portion from the overlapping direction of the films folded at the convergence portion. It is characterized by being provided.
  • the opening width of the opening of the concave portion of the focusing means is equal to or smaller than the width of the flat bottom.
  • the converging plate when the bottom of the concave portion formed in the converging plate has a planar shape, and preferably, the opening width of the concave portion is smaller than the width dimension of the bottom portion, the converging plate has When the flat portion of the cylindrical body is pressed with the, 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.
  • the pressure welding means comprises an ultrasonic horn and a preheated albin.
  • FIG. 1 (A) is a front view of a vertical continuous filling and packaging apparatus used for manufacturing the tubular package of the present invention
  • (B) is a partial side view of (A).
  • 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 shown in FIG. 1 (A).
  • FIG. 3 is a partial perspective view showing a state where a flat portion is formed in a tubular body of the film.
  • FIG. 4 is a partial perspective view showing a state where the flat portion is focused by a focusing plate.
  • Fig. 5 (A) is a cross-sectional view of the flat part, and (B) is a state where the focusing part is ultrasonically welded. .
  • FIG. 9 is a sectional view showing one embodiment.
  • FIG. 6 is a front view showing a tubular package of the present invention.
  • FIG. 7 is a partially enlarged perspective view showing a sealed portion of the tubular package.
  • FIG. 8 is a sectional view showing another structure of the vertical seal portion.
  • Fig. 9 (A) is a cross-sectional view showing a conventional flat part, and (B) is a cross-sectional view showing a state where a conventional focusing part is ultrasonically welded.
  • FIGS. 10 (A), (B), and (C) are plan views showing types of focusing plates suitable for the present invention, and
  • FIG. 10 (D) is a plan view showing a focusing plate of a comparative example.
  • FIGS. 11 (A) and (C) are enlarged plan views showing the types of the concave portions of the focusing plate shown in FIGS. 10 (A) and (B), respectively, and (B) and (D) are FIGS.
  • FIGS. 3A and 3B are cross-sectional views of a sealed portion that is focused and welded at the concave portions illustrated in FIGS. Fig. 12
  • (A) is an enlarged plan view showing the concave portion of the focusing plate shown in Fig. 10 (C)
  • (B) is a bundle which is focused and welded at the concave portion shown in Fig. 12 (A).
  • Sectional view of the sealing portion, (C) is an enlarged plan view showing the concave portion of the focusing plate shown in FIG.
  • FIG. 4 is a cross-sectional view of a sealing portion that is focused and welded in a recess.
  • FIG. 6 is a front view of a tubular package of the present invention
  • FIG. 7 is a partially enlarged perspective view showing a sealing portion of the tubular package.
  • a part F a and a part F b in a width direction of a film F having a high oxygen gas barrier property such as a film of vinylidene chloride resin are overlapped, and 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 F a and F b, thereby forming a vertical seal portion S 1.
  • the vertical seal portion S1 extends along the longitudinal direction of the tubular body.
  • Both ends in the longitudinal direction of the cylindrical body formed of the film F are focused to form a focusing portion 2, and the film of the focusing portion 2 is formed by ultrasonic welding means. Heat is generated, and a sealing portion 3 is formed in which the films are welded to each other.
  • the sealing portion 3 is formed only by welding the film F, and does not include a conventional ligating means using a metal wire clip.
  • a structure in which the sealing portion 3 is further tightened by a clip other than metal formed of a plastic material or the like may be used.
  • the tubular body of the film F from which the contents have been removed is flattened and crushed.
  • a flat portion Fr is formed, and the flat portion Fr is regularly folded.
  • 5 (A) and 5 (B) show the process of forming the focusing section 2 in more detail.
  • the flat portion Fr is formed by removing the contents inside the cylindrical body formed of the film F.
  • the flat portion Fr is formed in the flat portion Fr.
  • the vertical seal portion S 1 is positioned at the middle portion in the width direction, preferably at the center in the width direction. From both ends of the flat portion Fr, the converging force P, P by the convergence plate is given to converge the flat portion Fr, and at this time, the flat portion Fr may be converged as necessary.
  • the guides G a, G a, G b, and G b are provided alternately, and as a result, as shown in FIG. 5 (B), the flat portion Fr is folded regularly, and It is focused so that the fold is formed.
  • 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 portion 2 is in the Y direction, and the film at the location where the vertical seal portion S1 is formed, that is, the surface F of the film that is continuous on both sides of the vertical seal portion S1. s and Fs are oriented in the same direction as the folding surface to form one folding portion. Therefore, in the converging section 2, the vertical seal section S1 is located substantially at the center in the folding direction (X direction) due to the folding of the film, and converges in the folding surface direction (Y direction). When viewed in the width direction of the portion 2, the vertical seal portion S1 is located substantially at the center in the width direction.
  • the focusing portion 2 is welded by the ultrasonic horn 4 and the anvil 5, a vertical seal is applied to the pressing surface 4a of the horn 4 and the pressing surface 5a of the anvil 5.
  • the film faces F s and F s at the point where the portion S 1 is formed are parallel to each other, and the film folded at the focusing portion 2 is viewed from the overlapping direction.
  • the film F is sandwiched between the pressing surface 4a and the pressing surface 5a, an ultrasonic wave is applied to the film, and the film F in the focusing unit 2 is melted.
  • the vertical seal portion S1 is located inside the focusing portion 2, the vertical seal portion S1 is sandwiched between the folded portions of the film, and the vertical seal portion S1 is located between the folded portions.
  • the pressurizing surfaces 4 a, 5 a parallel to the surface F s, F s of the filem at the location where the vertical seal portion S 1 is formed, which is located substantially at the center of the focusing portion 2, and the vertical seal portion S 1 is welded together with the films located before and after it.
  • a plurality of film folding portions are formed before and after the left and right sides of the welded mass of the vertical seal portion S1 and the film edges Fa and Fb extending to the left and right sides thereof. Since they are positioned evenly, the pressing force of the pressing surfaces 4 a and 5 a acts evenly on the film of the focusing unit 2. As described above, since the pressing force acts uniformly on the focusing unit 2, .
  • the bias of the applied pressure is less likely to occur.
  • the film F in the focusing section 2 is uniformly melted including the welded mass of the vertical seal section S1, and as a result, the welding quality in the sealing section 3 is improved, and pinholes and the like are reduced. It is difficult to occur.
  • FIG. 1 (A) is a front view showing a schematic structure of a vertical continuous filling and packaging apparatus for producing a tubular package
  • FIG. 1 (B) is a partial side view of FIG. 1 (A).
  • FIG. 2 is a partial perspective view showing a film forming section of the vertical continuous filling and packaging apparatus.
  • the film F is continuously withdrawn from the web 10 shown in FIG. 1 (A), guided by the guide rolls 11a and 11b, and guided to the forming member 12.
  • the formed member 12 is called a forming plate.
  • the molded member 12 is formed into a tubular shape from a metal plate, the edges of the molded member 12 are overlapped with each other in the longitudinal direction, and the upper edge 12 a It is inclined.
  • the film F that has passed 1 lb of the guide roll is turned inward from the upper portion 12 a of the forming member 12 and formed into a cylindrical shape.
  • the lower portion F a of the film F And F b are guided between the upper portions 12 b and 12 c of the molded member 12 and overlap each other.
  • high-frequency electrodes 13a and 13b are provided so as to face each other, and a substantially central portion of an overlapping portion between the edge portion Fa and the ⁇ portion Fb is formed as described above.
  • the high-frequency electrodes 13a and 13b are sandwiched by pressure and welded to form a vertical seal portion S1, whereby a cylindrical body is formed continuously.
  • the continuously rotating feeder is located below the high-frequency electrodes 13a and 13b.
  • the cylindrical body provided with the rollers 14a and 14b and having the longitudinal seal portion S1 is sandwiched between the feed rollers 14a and 14b, and the rotational force of the feed roller is reduced. It is sent downward at a more constant speed.
  • the cylindrical body may be intermittently fed by the feed rollers 14a and 14b.
  • 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.
  • the cylindrical member of the film F which is inverted at the upper edge of the molded member 12 and formed into a cylindrical shape, and in which the longitudinal seal portion S1 is formed by the high-frequency electrodes 13a and 13b. From the filling pump 16 and the filling nozzle 15, contents 17 such as processed food are continuously filled in a constant amount per unit time.
  • b is driven to intermittently repeat pressing and separating.
  • the ironing rollers 18a and 18b the cylindrical body of the film F continuously fed downward is pressed at a constant interval.
  • the contents 1 ⁇ inside the cylindrical body are partially removed, and the films F are pressed together.
  • a flat portion Fr is formed.
  • the ironing rollers 18a and 18b press the cylindrical body from the direction facing the vertical seal portion S1 as shown in FIG.
  • the vertical seal portion S1 is substantially equal to the width W. Centrally located.
  • the convergence / sealing mechanism 20 is driven to move up and down in synchronization with the lowering speed of the tubular body, and presses and flattens the flat portion Fr during the lowering operation.
  • the convergence section 2 is formed, the convergence section 2 is welded using ultrasonic waves, and the convergence section 2 is further cut.
  • each operation such as focusing may be performed by the focusing / sealing mechanism 20. .
  • the convergence / sealing mechanism 20 is provided with convergence plates 21a and 2lb as convergence means provided at intervals in the vertical direction, and convergence as the same convergence means as opposed thereto. Plates 2 2 a, 2 2 b, ultrasonic horn 4 located between upper focusing plate 21 a and lower focusing plate 2 1 b, upper focusing plate 2 2 a and lower focusing plate 2 2 b, and a cutting blade 23 located in the middle of the anvil 5. Further, the convergence-sealing mechanism 20 includes a drive mechanism for operating the convergence plates 21a and 21b and the convergence plates 22a and 22b in a direction in which they are pressed against each other in synchronization with the elevating operation. A pressing mechanism for pressing the horn 4 and the anvil 5 against each other and a mechanism for advancing the cutting blade 23 are provided.
  • the contents 17 in the film cylinder are partially removed by the clamping force between the ironing rollers 18a and 18r. Then, the flat portion Fr is formed.
  • the flat plates Fr and the converging plates 21 a and 21 b and the converging plate 2 2a and 2 2b are driven in directions approaching each other, and the flat portion Fr is focused by receiving focusing forces P and P from both sides in the width direction.
  • the guide forces Gb, Gb are given to the guide forces Ga, Ga from alternate positions. This guide force is synchronized with the focusing force P, P applied to the flat portion Fr by the focusing plates 21a, 21b and the focusing plates 22a, 22b. The guide projection or the guide plate is approached from the side of the flat portion Fr.
  • the flat portion Fr is formed by the guides Ga and Gb.
  • the plurality of folded portions are formed by being regularly folded, and the vertical seal portion S 1 is sandwiched between the folded portions of the film in the focusing portion 2 as described above.
  • the vertical seal portion S 1 is located substantially at the center in the X direction and the Y direction in the focusing portion 2.
  • the ultrasonic horn 4 and the anvil 5 approach, and the two points of the focusing section 2 are ultrasonically welded.
  • the surface F s of the film at the portion where the vertical seal portion S 1 is formed in the converging portion 2 (the surface F s which is one of the folded portions including the vertical seal portion S 1) Is substantially parallel to the pressing surface 4 a of the horn 4 and the pressing surface 5 a of the anvil 5. Therefore, as described above, in the focusing portion 2, the vertical seal portion S1 and the folded portions of the front and rear films are uniformly pressed together, and ultrasonic waves are applied. It is preferable to preheat the fin 4 or the anvil 5 as necessary in order to further ensure the ultrasonic welding.
  • the horn 4 and the anvil 5 approach each other after the flat portion Fr is focused by the focusing plate. Therefore, the horn 4 and the anvil 5 have a cantilever structure in which the base ends are supported, and the pressing surfaces 4a and 5a are separated from the horn and the support base of the anvil. Therefore, due to the pressing surfaces 4a and 5a When the film is pressed, the parallel state of the pressing surface 4a and the pressing surface 5a tends to collapse. That is, if the thickness of the folded film at the focusing portion is not uniform or the thickness of the film at the focusing portion is uneven, the pressing surfaces 4a and 5a are pressed in parallel. The horn and anvil tend to tilt slightly. In such a state, it is difficult to uniformly pressurize the film in the focusing section.
  • the vertical seal portion S1 is located substantially at the center of the focusing portion 2, and the vertical seal portion S1 is folded. Since the pressing portion 4a of the horn 4 and the pressing surface 5a of the anvil 5 can easily press the focusing portion 2 in a stable state because the pressing portion 4 is sandwiched between the folded portions, the focusing portion 2 is easily moved in the Y direction. The pressure is uniformly applied at each of the positions, and is uniformly melted, so that the sealing portion 3 is formed.
  • a flat portion Fr is formed, and as shown in FIG. 5 (B), the flat portion Fr is folded.
  • a portion 6a of the film on which the vertical seal portion S1 is formed is focused along a surface (a surface including the Y axis) from the vertical seal portion S1 toward the center axis of the package. It is drawn inward of the department.
  • the film at the portion where the vertical seal portion S1 is formed at the root of the sealing portion 3 is formed.
  • a recessed portion 6 is formed, which penetrates in the surface direction including the Y axis.
  • the convergence portion 2 is cut by the cutting blade 23 between the sealing portions 3 and 3 which are formed at an interval above and below, as shown in FIG. Separated into individual tubular packages.
  • recesses 25 and 26 are formed on opposite sides of each of the focusing plates 21a and 2lb and the focusing plates 22a and 22b, respectively.
  • the film of the flat portion Fr is sandwiched between the concave portions 25 and 26. The film is pinched, so that the film is focused.
  • the flat portion Fr is folded and folded as regularly as possible, and the portion where the vertical seal portion S 1 is formed is the focusing portion. It is preferable that the film is sandwiched between the front and rear at the. Moreover, it is preferable that the vertical seal portion S 1 is located at the center of the focusing portion 2 in the width direction (Y direction).
  • Fig. 10 (A) (B) (C) (D) What should I do?
  • Fig. 10D shows the planar shape of the concave portion 25 formed in the focusing plates 21a and 21b by type.
  • Fig. 10 (D) is a comparative example, and Figs. 10 (A) and 10 (B) (C) shows the shape of the concave portion suitable for the present invention, and FIGS. 10 (A) and (B) show the most preferable shape of the concave portion.
  • the concave portions 26, 26 provided on the converging plates 22a, 22b on the opposite side are symmetrical with the concave portions 25 shown in FIG.
  • FIG. 12 (C) shows the planar shape of the concave portion 25 of the comparative example shown in FIG. 10 (D).
  • the bottom 25a of the recess 25 has an arc shape.
  • This comparative example is suitable for film focusing when ligating with a metal clip, but is not suitable for film focusing in the present invention. .
  • the bottom portion 25a has an arc shape.
  • the end of the flat portion Fr is not stationary and slides without being fixed, so that it is impossible to produce regularity in the folding of the film. 2
  • the cross-sectional area of the central welded portion (i) is small, and the protruding portions (ii) of the film are formed on both sides of the welded portion (i).
  • the protruding portion (ii) of the film has a lower welding strength than the welded portion (i), and pinholes and the like easily occur in the film protruding from the portion (ii).
  • FIG. 12 (A) shows the concave portion 25 of the focusing plates 21 a and 21 b shown in FIG. 10 (C).
  • the bottom 25 a of the concave portion 25 is a flat portion orthogonal to the flat surface of the flat portion Fr.
  • FIG. 12 (B) shows the cross-sectional shape of the sealing portion 3 which is focused and welded by the concave portion 25.
  • the cross-sectional area of the welded portion (i) that is pressed and welded by the horn and the anvil is welded. Is larger than that of Fig. 12 (D), and the film protruding into the protruding part (ii) is shorter than that of Fig. 12 (D). Therefore, the probability that a pinhole is formed at the protruding portion (ii) is lower than that in FIGS. 12 (C) and (D), and the good sealing rate can be increased.
  • the recess 25 shown in Fig. 12 (A) has a flat surface at the bottom 25a.
  • the width must be small.
  • the cross-sectional area of the welded portion (i) can be made sufficiently large. .
  • FIGS. 11 (A) and 11 (C) show the most preferable shapes of the concave portions 25. FIG. This is the same as shown in FIGS. 10 (A) and (B).
  • the bottom portion 25a is a flat portion orthogonal to the flat surface of the flat portion Fr. Also, in FIG. 11 (A), the opening width of the opening 25 b of the recess 25 is the same as the width dimension of the bottom 25 a, and in FIG. 11 (C), the opening 25 The opening width of b is narrower than the width of the bottom 25a.
  • Fig. 11 (B) shows a cross section of the sealing portion 3 to which the film converged in the concave portion 25 of Fig. 11 (A) is welded, and the concave portion 25 of Fig. 11 (C).
  • Fig. 11 (D) shows a cross section of the sealing portion 3 where the film focused in the step is welded.
  • the film converged in the concave portion 25 is planar because the width of the flat portion of the bottom portion 25a is large.
  • the area between the seals 3 is enlarged, and the film is easily folded regularly.
  • the cross section of the sealing part 3 shown in Figs. 11 (B) and (D) shows good welding.
  • the area of the welded portion (i) to be formed becomes very large.
  • 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 film protruding from the welded portion is reduced, and the non-defective rate of the film sealing portion is increased.
  • a so-called film F in which the inner surface of one edge F a is planarly overlapped with the outer surface of the other F portion F b.
  • a vertical seal portion S1 is formed in the state of the envelope-like backing, but as shown in Fig. 8, the inner surfaces of the film face each other.
  • the longitudinal seal portion S2 may be formed in a state of being so-called a palm-backed state in which the high-frequency welding is performed in one state, and the upper portions Fa and Fb protrude outside the cylindrical body.
  • tubular package As an example of the present invention, the following tubular package was manufactured.
  • a vinylidene chloride copolymer film (Kureha Chemical Industry Co., Ltd. product name “Clehalon”) with a total film thickness of 80 zm was used.
  • the vertical continuous filling and packaging machine “KAP500 type” manufactured by Kureha Chemical Industry Co., Ltd. has been improved to produce the cylindrical package described in the above embodiment.
  • the vertical seal portion S 1 was formed by applying high frequency welding to the envelope portions of the lower portions Fa and Fb of the film F.
  • the mold shown in Fig. 10 (A) was used for the focusing part.
  • the sealing part 3 is formed by ultrasonic welding, and a vibrator made of a sintered zirconia lead titanate powder is used as an ultrasonic welder for generating ultrasonic vibrations at a frequency of 40 kHz.
  • Ultrasonic welding was performed under the conditions of z and horn 4 with a longitudinal vibration amplitude of 1 Oizm.
  • a tubular package was manufactured using 21 films.
  • the flat portion Fr is formed by using a focusing plate 21a, 21b, 22a, 22b provided with U-shaped concave portions 25, 26 shown in Fig. 10 (D). By folding, the sealed portions shown in FIGS. 12 (C) and (D) were obtained.
  • cylindrical packagings of the example and the comparative example containing saturated saline was prepared, and the cylindrical packagings of the example and the comparative example containing the undiluted solution of the rice cake-shaped confectionery were prepared. 100 bodies were prepared for each.
  • the non-defective sealing part 3 was immersed, one of the positive and negative electrodes of the conduction tester was stabbed into the cylindrical package, and the other was stabbed into the saturated saline solution in the container, and the electrical resistance was measured. If the measured electrical resistance was 300 k ⁇ or more, no pinholes were formed in the sealing part 3, the non-defective sealing part was determined, and the ratio of the non-defective sealing part was defined as the non-defective sealing rate.
  • Each of the cylindrical packagings of the example and the comparative example containing saturated saline was prepared, and the cylindrical packagings of the example and the comparative example containing the undiluted solution of the rice cake-shaped confectionery were prepared. I prepared 100 body each.
  • Non-defective part of sealed part 1 0 0%
  • Non-defective part of sealing part 8 2%
  • the sealing portion when the film is welded at the converging portions at both ends of the cylindrical package to form the sealing portion, even if the vertical seal portion is present, The applied pressure is not uneven, the sealing portion can be welded uniformly, and poor sealing due to bin holes or breakage is unlikely to occur. Therefore, it is useful in a film package filled with contents.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Packages (AREA)
  • Package Closures (AREA)

Abstract

Généralement, lorsqu'on soude une partie d'étranglement d'un conditionnement cylindrique d'un film par fusion seule sans utiliser d'attache métallique, on ne peut pas obtenir une résistance suffisante. Pour cette raison, selon l'invention, après remplissage d'un corps cylindrique avec un liquide ou analogue, on enlève une partie du contenu et on forme une partie (Fr) plate en pinçant une partie du corps à partir du côté opposé à une partie (S1) de soudage longitudinale. Lorsque des forces de constriction P, P sont appliquées à la partie (Fr) plate à partir des deux côtés, la partie (Fr) plate est pliée de façon régulière, et la partie (S1) de soudage longitudinale est placée au centre de la partie d'étranglement et prise en sandwich par le film dans le sens latéral. Lorsque la partie d'étranglement est pressée par la partie de soudage longitudinale et par une surface de pressage parallèle à la partie de soudage longitudinale, et fondue au moyen d'ondes ultrasonores, une partie de soudage comportant un film pressé uniformément est formée. Par conséquent, des soudages défectueux dus p. ex. à une perforation ou à une rupture ne se produisent que rarement.
PCT/JP1998/005371 1997-12-05 1998-11-30 Conditionnement cylindrique, procede et appareil de production de celui-ci WO1999029575A1 (fr)

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JP33558797A JP4152464B2 (ja) 1997-12-05 1997-12-05 筒状包装体、その製造方法およびその製造装置
JP9/335587 1997-12-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1772381A1 (fr) * 2005-10-04 2007-04-11 H.E.T. - ANKE Filtertechnik GmbH Méthode et appareil pour fermer des sacs plastiques
CN111467897A (zh) * 2020-03-12 2020-07-31 江苏人和环保设备有限公司 一种用于滤筒除尘器的尾端免焊接的喷吹管

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064259A1 (fr) * 2002-01-25 2003-08-07 Kureha Chemical Industry Co., Ltd. Appareil et procede de remplissage et d'emballage, structure emballee et procede de fabrication de celle-ci
JP4589063B2 (ja) * 2004-09-03 2010-12-01 株式会社クレハ 包装体製造装置及び包装体製造方法
KR102062394B1 (ko) * 2019-09-26 2020-02-11 석몽필 필로 포장기에서의 3중 센터 실링장치

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Publication number Priority date Publication date Assignee Title
JPS5926424A (ja) * 1982-08-02 1984-02-10 旭化成株式会社 包装方法
JPS5926467A (ja) * 1982-08-02 1984-02-10 旭化成株式会社 筒状包装体
JPS62251325A (ja) * 1986-04-18 1987-11-02 呉羽化学工業株式会社 充填包装方法及び装置
JPS63272637A (ja) * 1987-04-30 1988-11-10 Kureha Chem Ind Co Ltd 包装体およびその製造方法と製造装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5926424A (ja) * 1982-08-02 1984-02-10 旭化成株式会社 包装方法
JPS5926467A (ja) * 1982-08-02 1984-02-10 旭化成株式会社 筒状包装体
JPS62251325A (ja) * 1986-04-18 1987-11-02 呉羽化学工業株式会社 充填包装方法及び装置
JPS63272637A (ja) * 1987-04-30 1988-11-10 Kureha Chem Ind Co Ltd 包装体およびその製造方法と製造装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1772381A1 (fr) * 2005-10-04 2007-04-11 H.E.T. - ANKE Filtertechnik GmbH Méthode et appareil pour fermer des sacs plastiques
CN111467897A (zh) * 2020-03-12 2020-07-31 江苏人和环保设备有限公司 一种用于滤筒除尘器的尾端免焊接的喷吹管

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JP4152464B2 (ja) 2008-09-17

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