WO2018207631A1 - 袋体、フィルム体、および袋体の製造方法 - Google Patents

袋体、フィルム体、および袋体の製造方法 Download PDF

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Publication number
WO2018207631A1
WO2018207631A1 PCT/JP2018/016921 JP2018016921W WO2018207631A1 WO 2018207631 A1 WO2018207631 A1 WO 2018207631A1 JP 2018016921 W JP2018016921 W JP 2018016921W WO 2018207631 A1 WO2018207631 A1 WO 2018207631A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
guide piece
cutting
bag body
bag
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.)
Ceased
Application number
PCT/JP2018/016921
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
芳典 南波
亮 片田
昌 音渕
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.)
Idemitsu Unitech Co Ltd
Original Assignee
Idemitsu Unitech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Idemitsu Unitech Co Ltd filed Critical Idemitsu Unitech Co Ltd
Priority to CN201880030125.5A priority Critical patent/CN110603203B/zh
Priority to EP18798978.5A priority patent/EP3623314B1/en
Priority to US16/611,737 priority patent/US11845589B2/en
Priority to KR1020197034874A priority patent/KR20200003019A/ko
Priority to KR1020237044807A priority patent/KR102748413B1/ko
Publication of WO2018207631A1 publication Critical patent/WO2018207631A1/ja
Anticipated expiration legal-status Critical
Priority to US18/500,288 priority patent/US20240059458A1/en
Ceased legal-status Critical Current

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Classifications

    • 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
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/03—After-treatments in the joint area
    • B29C66/032—Mechanical after-treatments
    • B29C66/0326—Cutting, e.g. by using waterjets, or perforating
    • 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
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/182—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying tear-strips or tear-tapes
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/188—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating profile-strips, e.g. for reclosable bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/06—Handles
    • B65D33/08—Hand holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2533—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2575—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor the slide fastener providing access to the bag through a bag wall, e.g. intended to be cut open by the consumer
    • B65D33/2583—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor the slide fastener providing access to the bag through a bag wall, e.g. intended to be cut open by the consumer the slide fastener being attached to one wall only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8131—Making bags having interengaging closure elements
    • B31B70/8133—Applying the closure elements in the cross direction
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides

Definitions

  • the present invention relates to a bag body, a film body, and a method for manufacturing the bag body.
  • a film in which a fastener is bonded in advance is wound around a roll, and a film with a fastener fed out from the roll is sent to a hoisting device, while a punching mechanism is used.
  • a plurality of holes for forming a pull-out plug are provided in the film, and a fastener is joined to the film. Then, both sides of the film are folded and overlapped, and the overlapped portion is attached to the back, the lower end portion is joined, and the upper end portion is joined after filling the package object.
  • Patent Document 1 in order to form a pull-out plug, a plurality of holes are provided in the front wall by a punching mechanism. Since the inside and outside of the bag main body communicate with each other through these holes, there is a possibility that the bag is not sufficiently sealed.
  • a thread is provided on the inner surface of the front wall for opening.
  • a specific example for forming a knob by exposing the end of the thread to the outside There is no disclosure of the method.
  • a hole through which the thread is inserted into the film of the bag is formed on the front wall.
  • the inside and outside of the bag communicate with each other through the hole. As a result, the sealing performance may not be sufficient.
  • An object of the present invention is to provide a bag body, a film body, and a method for manufacturing the bag body that can obtain high sealing performance.
  • a bag body according to one aspect of the present invention is formed of at least one film, and is formed by folding or overlapping the film, and a bag body that forms a storage space by two or more surface portions facing each other.
  • a strip-like base provided between the second surface portion facing the first surface portion and the tear guide piece, and the knob is provided on the first surface portion and the tear guide piece.
  • And has an outer edge formed by a cutting line penetrating the belt-like base portion and the first surface portion, and the tear induction is provided at a position adjacent to both ends of the cutting line of the knob portion.
  • the band so as to cross the width direction of the piece Cutting region for cutting the base is provided, wherein on the side of the strip-like base portion is provided in the first face portion protection member that covers the knob portion is provided.
  • a tearing guide piece While tearing the first surface portion, an opening is formed along the longitudinal direction of the tear guide piece. It becomes possible to take out the article to be packaged stored in the storage space from this opening.
  • a protective member is provided on the side of the first surface portion where the band-shaped base portion is provided to cover the knob portion where the outer edge is formed by a cutting line. Before opening, communication between the storage space through the cutting line and the outer space of the bag is prevented, and high sealing performance is ensured.
  • the tear guide piece is joined to the first surface portion of the film constituting the bag body, and the tear of the first surface portion of the film is along the position where the tear guide piece of the first surface portion of the film is joined.
  • This is a member that induces opening of the bag body by inducing.
  • the tear guide piece may be directly provided by being joined to the first surface portion, or may be indirectly provided on the first surface portion via a member such as a belt-like sheet.
  • the belt-like base may be composed of one member, or may be composed of a plurality of members arranged along the longitudinal direction of the tearing guide piece.
  • the shape of the cutting line is not particularly limited as long as the outer edge of the knob is formed so that the tear guide piece can be gripped in order to guide the tearing of the film constituting the bag body. In one place in the longitudinal direction of the tearing guide piece, it can be formed into a C shape, a semicircular shape, a polygonal shape or the like so that both ends of the cutting line sandwich the tearing guide piece.
  • the shape of the cutting region is not particularly limited as long as it can cut the belt-like base and the tear guide piece can be exposed through the cutting region.
  • the cutting region may be linear, curved, or circular. But you can.
  • the resistance applied to the knob at the time of opening is reduced. That is, in the strip base, when the cutting line constituting the outer edge of the knob is separated from the cutting region, the band base is separated from the edge of the cutting line when the knob is pulled away from the second surface portion. Resistance is generated by being torn along the longitudinal direction of the tear guide piece, but the strip base is cut at the cutting region by providing cutting regions at locations adjacent to both sides of the cutting line of the strip base. Later, the strip base is not torn off and the resistance is reduced.
  • a long member having a strip-shaped base and a tearing guide piece is bonded to the first surface portion of the film, and a penetrating blade for penetrating the long member and the film
  • a cutting unit equipped with a cutting blade that adjusts the cutting depth with respect to the penetrating blade so as to cut only the strip base without penetrating the tear guiding piece at the place where the tear guiding piece and the strip base are joined The cutting line and the cutting region can be simultaneously formed by pushing into the long member and the film from the belt-like base side. In this case, it is desirable that the cutting line and the cutting area are adjacent to each other.
  • adjacent means that the cutting line and the cutting region are directly coupled to each other or provided through a slight gap. Even if the cutting line and the cutting area are located through a gap, when the bag body is easily broken when the bag is opened by grasping the grip portion, the cutting line and the cutting area are substantially It can be said that it is adjacent to.
  • the strip-shaped base and the tearing guide piece may be integrated or separate.
  • the strip base and the tear guide piece can be suitably integrally formed by co-extrusion of the resin.
  • the protective member covers the knob and can prevent communication between the bag storage space and the bag outer space through a cutting line that forms the outer edge of the knob.
  • the protective member may be made of the same material as that of the belt-like base portion or may be made of a different material.
  • the shape of the protective member may be rectangular, circular or triangular.
  • the protective member is formed so as to cover the knob, and the first surface portion is configured to prevent communication between the bag storage space and the bag outer space through a cutting line that forms the outer edge of the knob.
  • the entire surface of the protective member facing the first surface portion is not bonded to the first surface portion.
  • the joining form of the protective member and the first surface portion is formed so as to cover the knob, and prevents communication between the bag housing space and the bag outer space through a cutting line forming the outer edge of the knob.
  • it can also be set as the form joined to the said 1st surface part in the outer edge part of the part which covers the knob
  • a protection member may be provided only in the part which covers a knob
  • the protective member covers the knob, the protective member covers the knob, and the communication between the storage space of the bag body and the external space of the bag body through the cutting line can be prevented.
  • a specific structure is not limited. For example, it is good also as a structure which joins the peripheral part of a protection member to a film and a strip
  • the bonding method of the protective member to the film or the like is suitably performed using heat sealing, ultrasonic sealing, an adhesive, or other known bonding methods. Since the protective member is provided so as to cover the cutting area and the cutting area provided at the positions adjacent to both ends of the cutting line of the knob, after the cutting area is provided, the knob is picked to induce tearing.
  • the bag body may have only two surface portions facing each other, but includes a pair of facing surface portions and a pair of side surface portions and a bottom surface portion interposed in the surface portions at both side edges of the pair of surface portions,
  • the bottom surface portion may have two or more surface portions, such as a gusset bag that is folded inward by a fold line.
  • a gusset bag it is the first surface portion of the pair of surface portions that provides the tear guide piece and the belt-like base portion. Both ends of the tear guide piece and the strip-shaped base portion may or may not reach the inwardly folded portion of the side surface portion.
  • the bag body is composed of at least one film.
  • the edge portions located on the opposite sides of one film are folded back at the positions apart from the edge portions, and the overlapped portions of the folded edge portions are back-paste and palm-paste. Bonding may be possible, and the edge portions located on the opposite sides of one film are folded in two at the same distance from the edge portions, and overlapped between the two folded edge portions.
  • the peripheral portions may be joined.
  • two films may be overlapped with each other and edge portions located on opposite sides may be joined to each other.
  • a pair of surface part and a pair of side part may be comprised with four films, and a bottom face part may be formed with another one film, and a gusset bag may be comprised.
  • the tear guide piece and the strip-shaped base are provided on the first surface portion of the pair of surface portions, and are not provided on the second surface portion of the pair of surface portions. For this reason, it is possible to provide a gap for filling the packaging space into the storage space between the tear guide piece and the strip-shaped base and the second surface portion, and the packaging space is filled into the storage space from this gap. Thereafter, the bag body is joined so as to close the gap, whereby the bag body in which the packaged items are stored is manufactured.
  • a tearing guide piece and a strip-shaped base portion are sent out along one of the longitudinal directions on one surface of the film, and the tear guiding piece and the strip-shaped base portion are provided on the film, and the film and the strip-shaped base portion are penetrated.
  • the outer edge of the knob is formed from the cutting line. Furthermore, a cutting area is provided at a position adjacent to both ends of the cutting line of the knob, and a protective member that covers the knob is provided on the side of the film where the band-like base is provided.
  • a cut portion may be provided in the sealed portion. It is good also as a structure provided with the cutting part which cut
  • a bag body according to one aspect of the present invention is formed of at least one film, and is formed by folding or overlapping the film, and a bag body that forms a storage space by two or more surface portions facing each other.
  • the long member provided on the first surface portion of the two or more surface portions, and a knob, the long member includes a long tear guide piece and a zipper tape
  • the zipper tape includes a first member having a belt-like base portion and a first engagement portion continuous with the belt-like base portion, and a belt-like body and a second engagement portion continuous with the belt-like body and engageable with the first engagement portion. In the state where the first engaging portion and the second engaging portion are engaged, the width in the width direction of the band-shaped base is more than that of the band-shaped body.
  • the tear guide piece is disposed between the tear guide piece and the second face portion facing the first face portion along the longitudinal direction of the tear guide piece, and the pick section can pick up the tear guide piece, It has an outer edge formed by a cutting line that penetrates the strip base and the first surface portion, and crosses the width direction of the tear guide piece at a position adjacent to both ends of the cutting line of the knob.
  • a cutting region for cutting the belt-like base portion is provided, and a protective member for covering the knob is provided on the side of the first surface portion where the belt-like base portion is provided.
  • the knob when the knob is pulled away from the second surface portion for opening the bag, an opening is formed along the longitudinal direction of the tear guiding piece while the tear guiding piece tears the first surface portion.
  • the The first engaging portion and the second engaging portion of the zipper tape are exposed from this opening. If the engagement between the first engagement portion and the second engagement portion of the zipper tape is released, it becomes possible to take out the article to be packaged stored in the storage space. After taking out the article to be packaged, the first engaging portion and the second engaging portion are engaged to close the bag body.
  • the first engagement portion and the second engagement portion are joined to the bag body in a state of being engaged with each other, and the side of the first surface portion on which the belt-like base portion is provided extends from the cutting line.
  • a protection member is provided to cover the knob portion on which the outer edge is formed. Therefore, before opening, communication between the storage space and the external space through the cutting line is prevented, and high sealing performance is maintained. Since the belt-like base portion and the belt-like body of the zipper tape are respectively joined to the first surface portion, the object to be packaged can be placed on the bag body without releasing the engagement between the first engagement portion and the second engagement portion. Filling becomes possible. For this reason, the filling operation of the package is facilitated.
  • the first engaging portion and the second engaging portion may be a male portion and a female portion that are engaged with each other, or may be a pair of hook-shaped portions that are engaged with each other.
  • first engagement portion and the second engagement portion may be provided, and in this case, all may be a pair of a male portion and a female portion, or a pair of two hook-shaped portions, Alternatively, a pair of a male part and a female part and a pair of two hook-like parts that engage with each other may be mixed.
  • first engagement portion and the second engagement portion are configured by mixing a pair of a male portion and a female portion and a pair of two hook-shaped portions, of the two hook-shaped portions.
  • One hook-like portion may be continuous with the belt-like base portion and facing the extended side of the belt-like base portion, and the other hook-like portion may face the opposite side of the one hook-like portion.
  • the tear guide piece may be provided directly on the first surface portion by bonding, or may be provided indirectly on the first surface portion via a belt-like body.
  • the band-shaped base and the tearing guide piece can be integrated.
  • the band-shaped base and the tear guide piece are integrated, for example, when the band-shaped base and the tear guide piece are integrated, or when the band-shaped base and the tear guide piece are separately manufactured and assembled together, etc. Is included.
  • the tear guide piece and the first face portion are formed at different positions from the knob portion, and the first face portion and the tear guide piece are arranged in a width of the tear guide piece. It can be set as the structure provided with the cutting part cut
  • the first surface portion and the tear guide piece are cut when the opening of the bag body reaches the cut portion.
  • the first surface portion is not torn. That is, since the cut portion becomes the end point of the portion to be torn by the tear guide piece, the first surface portion is prevented from being broken more than necessary by the tear guide piece, and the position where the opening of the bag body is formed can be controlled. .
  • the cutting portion is not cut through the cutting portion before opening. It is possible to prevent the storage space and the external space from communicating with each other. Moreover, you may seal a cutting part. As a structure for sealing the cut portion, the belt-like base portion may be subjected to pressure from the inside and the outside of the first surface portion.
  • the bag main body may be formed of a single film and may have a joint portion in which end edges located on opposite sides of the film are overlapped. In this configuration, the edge portions of the film are back-bonded to form a joint portion.
  • a joining part which comprises back pasting the palm sticking which joins the same surfaces of a film may be sufficient, and the envelope sticking which joins the different surfaces of a film may be sufficient.
  • the two or more surface portions may have a pair of opposing surface portions and a bottom surface portion joined to the pair of surface portions at an edge.
  • the bottom portion since the bottom portion is present, it can be expected that the bag body is erected in a state where an article to be packaged is stored in the storage space. Therefore, it is possible to display the bag body upright on a merchandise shelf such as a retail store.
  • the bag body provided with the zipper tape in a state where the first engagement portion and the second engagement portion are detached and the bag body is opened, the bag body falls down, so that the packaged object becomes the bag body. Will not leak.
  • the two or more surface portions include a pair of facing surface portions, a pair of side surface portions facing each other through the pair of surface portions at both side edges of the pair of surface portions, and a bottom surface portion.
  • Each of the side surfaces can be folded inward by a fold line.
  • the bag body is a gusset bag, so that the bag body can stand up in a state where the packaged goods are stored in the storage space, and the bag body stands up and displayed in a product shelf such as a retail store. I can expect that.
  • the bag body may be provided with a grip portion.
  • the bag can be easily held by the grip portion.
  • the shape is not particularly limited as long as the grip portion can be held by hand.
  • one or more hole-like handles are provided at the upper end, or the handle is passed through a string at the upper end portion of the bag body.
  • the handle can be suitably made by joining a handle member made of resin or metal to the upper end of the bag.
  • the film body of the present embodiment includes a film, a long member provided at least two apart from one another along one direction of the film on one surface of the film, and a knob.
  • the member has a long tear guide piece, and a strip-shaped base provided on the surface of the tear guide piece opposite to the surface on which the film is located along the longitudinal direction of the tear guide piece.
  • the picking portion is capable of picking the tear-inducing piece, has an outer edge formed by a cutting line penetrating the strip base and the film, and is adjacent to both ends of the cutting line of the picking portion.
  • a cutting region for cutting the strip-shaped base portion is provided at a location where the strip-shaped base piece is cut across the width direction of the tear guide piece, and a protective member that covers the knob portion is provided on the side of the film where the strip-shaped base portion is provided.
  • the length in the width direction along the direction of Lum is greater than 2 times the longitudinal length of the elongated member.
  • the both ends of the film of a film body are joined, respectively, are cylindrical, and a bag body can be manufactured by joining the part corresponded to the bottom part of a bag body.
  • the bag body can be easily manufactured by using the existing equipment for joining the portion corresponding to the bottom. Since the length in the width direction along the one direction of the film exceeds twice the length in the longitudinal direction of the long member, both end edges of the film are folded inward from both ends of the long member. In this case, an overlapping portion can be secured. Therefore, a film can be made into a cylinder shape by joining the overlapping part and forming a joined part in linear form.
  • the film of the film body is folded around the periphery of the cylindrical body to form a cylindrical shape, and after joining the portion corresponding to the bottom of the bag body, the package body is filled into the bag body through the cylindrical body.
  • the bag body in which the items to be packaged are stored can be easily manufactured.
  • a film body can be easily conveyed by winding or folding this film in a roll shape.
  • the bottom portion refers to a portion of the manufactured bag body that is joined on the side opposite to the top portion so that the packaged material does not leak, and is formed by joining a pair of opposing surface portions of the film. It is formed in a shape.
  • a bottom portion may be provided on the bottom portion for the purpose of raising the bag.
  • the bottom surface portion may be formed by using a second film different from the cylindrical film. In this case, the bottom surface portion is bonded to the pair of surface portions at the edges.
  • a film body includes a film, a long member provided at least two apart from each other along one direction of the film, and a knob on one surface of the film.
  • the elongate member has an elongate tear guide piece and a zipper tape
  • the zipper tape has a band-shaped base portion and a first member having a first engagement portion continuous with the band-shaped base portion, and a band-like shape.
  • a second member having a body and a second engagement portion that is continuous with the belt-like body and is engageable with the first engagement portion, and the first engagement portion and the second engagement portion.
  • the length in the width direction of the band-shaped base is extended longer than the band-shaped body by projecting to one end side in the width direction, and the extended portion of the band-shaped base is the first engagement.
  • the band On the surface with the part, the band is on the surface without the second engaging part.
  • the strip base is provided on a surface opposite to the film side of the tear guide piece, and the knob is capable of picking the tear guide piece, and the strip base
  • the strip base has a peripheral edge formed by a cutting line penetrating the film and is adjacent to both ends of the cutting line of the knob portion so as to cross the width direction of the tear guide piece.
  • a protective region that covers the knob is provided on the side of the film on which the band-shaped base is provided, and the length of the film in the width direction along the one direction is the long length. More than twice the length of the member in the longitudinal direction.
  • both end edges of the film are folded back to the inner side where the long member is disposed, the overlapping portions are joined to form a joined portion in a linear shape, and the film is made cylindrical.
  • a folded portion and an unfolded portion of the film are joined along a transverse direction intersecting the joining portion to form a bottom portion of the bag body.
  • a film is cut
  • the tear guide piece and the film are formed at different positions from the knob, and the film and the tear guide piece are crossed in the width direction of the tear guide piece. It can be set as the structure provided with the cutting part to cut
  • an opening along the longitudinal direction of the tear guide piece is formed while the tear guide piece tears the film.
  • the pulled tear guide piece reaches the cut portion, the film and the tear guide piece are cut, so that the film is not further torn. Therefore, using the film body, it is possible to manufacture a bag body that is the end point of the site where the cut portion is torn by the tear guide piece.
  • At least two or more second films that have one end edge joined to the film and constitute a bottom surface portion can be provided.
  • a long member is provided on one surface of the film, a cutting line penetrating the belt-like base portion and the film is provided to form an outer edge, a cutting region for cutting the belt-like base portion is provided, and the knob is covered with a protective member.
  • one end edge of the second film is joined to the film so as to be parallel to the long member, thereby producing a film body.
  • a plurality of long members are provided for one film, and a plurality of second films are provided according to the number of long members.
  • a film comprises a pair of surface part of a bag main body
  • a 2nd film comprises the bottom face part by which the edge located in a mutually opposing side was provided in a pair of surface part of a bag main body.
  • the shape of a 2nd film is not limited, For example, a rectangular shape can be illustrated.
  • the second film may be folded in advance.
  • the manufacturing method of the bag which concerns on one form of this invention is the process which supplies the above-mentioned film body, and folds the both ends edge of the said film along the supply direction among the said films inside the said elongate member is arrange
  • the step of joining the parts to form the bottom of the bag body and the part joined along the transverse direction of the film are parallel to the bottom at a position opposite to the long member. Cutting the film.
  • the film body in the step of supplying the film body, the film body is fed in the direction in which the long members are arranged, and in the step of making the film cylindrical, both side edges of the film constituting the film body are directed inward.
  • the folded portions are joined together to form a joined portion in a linear shape.
  • the folded portion and the unfolded portion of the film are joined along the transverse direction intersecting the joining portion to form the bottom portion of the bag body. And a film is cut
  • the packaged material is filled into the storage space of the bag body from the cutting opening formed in the step of cutting the film, and then the vicinity of the film is joined along the cutting opening and in the vicinity of the cutting opening.
  • a plurality of bag bodies can be manufactured continuously by performing the above steps while supplying the film body.
  • heat sealing, ultrasonic sealing, an adhesive, and other known methods are preferably used.
  • a seal bar or other sealing device is used.
  • a cutter etc. are used in the process of cut
  • the manufacturing method of the bag which concerns on one form of this invention is the process which supplies the above-mentioned film body, and folds the both ends edge of the said film along the supply direction among the said films inside the said elongate member is arrange
  • both ends of the film are folded inward to join the portions that intersect the overlapped portions, and the second film is joined to the folded portion of the film, thereby joining the bag having the bottom portion.
  • the body can be manufactured easily.
  • a portion of the second film that has been bonded to the film in advance and a portion opposite to the bonded portion are formed in a direction orthogonal to the overlapping portion of the film. It is preferable.
  • the step of making the film into a cylinder and the step of joining the second film and the folded portion of the film may be performed simultaneously, or there may be a time difference.
  • the step of filling the tubular film with a packaged material, and the filling of the packaged material from the bottom portion Forming a top portion of the bag by joining a folded portion and a non-folded portion of the film at a position separated along the joining portion, and cutting the film A process can be set as the structure which cut
  • the article to be packaged is filled into the cylindrical film.
  • the package can be filled into the film through the gap.
  • the top of the bag is formed. Therefore, the packaged object does not leak from the cylindrical film.
  • part corresponding to the top part of a bag body is cut
  • the above-described steps are performed while feeding a film body in which a plurality of long members are provided on a film in a direction perpendicular to the longitudinal direction of the long members.
  • first, the folded portion and the unfolded portion of the film are joined to each other. Form the bottom, fill the inside of the cylindrical film with the bottom, and then join the folded and unfolded portions of the film to form the top of the bag To do.
  • the bottom part of a bag body is formed and the inside of a cylindrical film Is filled with an article to be packaged to form the top of the bag.
  • the first and second are used for convenience.
  • the next manufactured bag body is the second and is provided at the edge of the film. It does not mean that the longitudinal member is always first.
  • the formation of the top portion of the first bag body and the formation of the bottom portion of the second bag body may be performed simultaneously, and after the formation of the bottom portion of the second bag body, Formation may be performed.
  • the thickness of the portion where the film overlaps is different between the portion corresponding to the bottom surface portion and the portion corresponding to the top portion.
  • the second film different from the cylindrical film is folded in two, and both end edges that are bent and aligned are formed on the inner peripheral surface of the cylindrical film.
  • the portion where the cylindrical film overlaps is equivalent to two films and the portion where the second film folded in two is equivalent to two films, and a total of four films overlap. It will be.
  • the bottom portion is not provided in the bag body for self-supporting and the bottom portion is formed from the tubular film, the portions facing each other of the tubular film are joined, so the bottom portion is In the part which comprises, it becomes for two films.
  • the mutually facing portions of the tubular film are joined, so that there are two films regardless of the presence or absence of the bottom portion. Therefore, in the case where the bottom surface portion is provided on the bag body, the portion corresponding to the bottom surface portion is composed of the film and the second film, and the overlapping portion of the film is thick, and the portion corresponding to the top portion is not the second film. The overlapping part becomes thinner.
  • the portion corresponding to the bottom portion and the portion corresponding to the top portion have the same thickness at the portion where the film overlaps. Therefore, the structure for forming the bottom and top is changed according to the thickness of the overlapping portions of the films.
  • the thickness of the portion of the film corresponding to the top portion of the first bag body overlaps with the thickness of the portion corresponding to the bottom portion of the second bag body. Since the thickness of the overlapping portion is the same, the bag portion can be manufactured by joining the overlapping portions of the film with one seal bar and cutting the intermediate position of the joined region.
  • the second bag body has a thickness compared to the thickness of the portion where the film of the portion corresponding to the top portion of the first bag body overlaps. Since the thickness of the part where the film corresponding to the bottom part overlaps is thick, a seal bar for forming the top part and a seal bar for forming the bottom part are separately prepared and joined by these seal bars.
  • a bag can be manufactured by cutting between the portions.
  • a bag manufacturing method comprising: a long member having a long tear guide piece and a belt-like base provided along a longitudinal direction of the tear guide piece; In a film having a length in the width direction exceeding twice the length in the longitudinal direction, the tear-inducing piece is on the film side along the longitudinal direction at the position where the strip base is opposite to the film side.
  • Feeding providing the elongate member on one surface of the film, providing the film with a knob that can pick the tear guide piece, covering the knob with a protective member on one surface of the film, Folding both end edges of the film to the inner side where the long member is arranged, joining the overlapping parts to form a joined part in a linear shape, and making the film cylindrical, and a transverse direction intersecting the joined part Along the f
  • a bag body can be manufactured while feeding a film so that devices for carrying out each step are arranged on each stage with a predetermined interval between them, and these devices can be operated sequentially.
  • the process of providing a long member on a film is implemented. Therefore, a long member is formed from the tear guide piece and the strip-shaped base, and the long guide member is fed to one surface of the film so that the tear guide piece of the long member is on the film side and the strip-shaped base is on the anti-film side. Is provided on the film.
  • a seal bar may be used. Then, the film is fed, the long member provided on the film is moved to the next stage, and the step of providing the knob is performed.
  • a cutting line penetrating the strip base and the film is provided to form an outer edge, and a cutting region for cutting the strip base is provided.
  • a cutting blade may be used as the cutting line, and a cutting blade may be used as the cutting region.
  • the step of forming the outer edge by the cutting line and the step of forming the cutting region may be performed first in the former, the subsequent in the latter, and vice versa, or may be performed simultaneously.
  • the film is fed and the long member provided with the knob is moved to the next stage.
  • the knob is covered with a protective member. Therefore, a protective member is arrange
  • a film provided with a long member is fed to form a joined portion, a bottom portion of the bag body is formed along a transverse direction intersecting the joined portion, and after filling the packaged object, the top portion of the bag body is Form.
  • the manufacturing method of the bag concerning one form of the present invention includes a first member having a belt-like base portion and a first engagement portion continuous with the belt-like base portion, and a belt-like body and the belt-like body and the first engagement portion. And a second member having a second engagement portion that can be engaged with the first engagement portion and the second engagement portion in a state where the first engagement portion and the second engagement portion are engaged with each other. And a long zipper tape that protrudes toward the one end side in the width direction from the belt-like body and extends long, and a surface of the belt-like base portion on the side where the first engaging portion is located in the longitudinal direction of the belt-like base portion.
  • the guide piece is fed along the longitudinal direction at a position where the strip base is opposite to the film side on the film side.
  • a step of providing the elongated member on one surface of the film a step of providing a knob portion on which the tear guide piece can be picked on the film, a step of covering the knob portion on one surface of the film with a protective member, Folding both end edges of the film to the inner side where the long member is arranged, joining the overlapping parts to form a joined part in a linear shape, and making the film cylindrical, and a transverse direction intersecting the joined part Joining the folded portion and the unfolded portion of the film along the direction of forming a bottom portion of the bag body, and filling a packaged object inside the tubular film
  • the top portion of the bag body is formed by joining the folded portion and the unfolded portion of the film at a position separated from the bottom portion along the joining portion after filling the packaged article.
  • a step of forming an outer edge by a cutting line passing through the band-shaped base and the film, and a position adjacent to both ends of the cutting line of the knob portion so as to cross the width direction of the tear guide piece Providing a cutting region for cutting the base, and covering the knob with a protective member joins the protective member to one surface of the film.
  • the apparatus for carrying out the process can be arranged on each stage with a predetermined separation, and the bag can be manufactured while feeding the film so that these apparatuses can operate sequentially.
  • the process of providing a long member on a film is implemented. Therefore, a long member is formed from the tear guide piece and the zipper tape, and the tear guide piece of the long member is sent to one side of the film such that the tear guide piece is on the film side and the strip base is on the anti-film side. Is provided on the film.
  • the procedure for providing the long member on the film and the subsequent procedures are the same as in the bag body manufacturing method described above.
  • the film and the tear guide piece are cut so as to cross the width direction of the tear guide piece at a position different from the tear guide piece and the knob portion of the film.
  • a configuration in which a cut portion is formed can be obtained.
  • the bag body which can control the position where the opening of a bag body is formed can be manufactured by adding the process of forming a cutting part to the above-mentioned process.
  • the knob is pulled, an opening is formed while the tear guide piece tears the film.
  • the pulled tear guide piece reaches the cut portion, the film and the tear guide piece are cut, so that the film is not further torn.
  • belt-shaped base parts may be crushed, and a cutting part may be sealed.
  • FIG. 2 is a cross-sectional view taken along line 2-2 in FIG.
  • FIG. 3 is a sectional view taken along line 3-3 in FIG. 1.
  • the disassembled perspective view which shows the periphery of the knob
  • the disassembled perspective view which shows the periphery of the cutting part of a bag.
  • the perspective view which shows the film body wound by roll shape.
  • the schematic perspective view of the apparatus which manufactures a bag body using a film body. Sectional drawing of a joining apparatus and a cutting device.
  • the top view which shows the outline of a knob
  • the front view of the bag which concerns on 2nd Embodiment of this invention.
  • the perspective view which shows the film body wound by roll shape.
  • FIG. 24 is a sectional view taken along line 24-24 in FIG.
  • the disassembled perspective view which shows the periphery of the cutting part of a bag.
  • FIGS. 1-12 A bag body 1A according to the first embodiment will be described with reference to FIGS.
  • FIG. 1 shows the overall configuration of the bag body 1A.
  • FIG. 2 shows a cross section of the bag 1A.
  • the bag body 1A includes a bag main body 10A, a long member 2A provided on the bag main body 10A, a knob 3 and a protection member 4.
  • the bag body 10A includes a pair of surface portions 11A and 11B (only the surface portion 11A is shown in FIG. 1) and a film 11C which are formed to be folded inward from the both end edges of a single film 11C. Are joined to each other in a linear manner, and a top portion 13 and a bottom portion 14 are formed to be orthogonal to the joint portion 12, respectively.
  • the first surface portion 11A is a portion where the joint portion 12 is not formed
  • the second surface portion 11B is a portion where the joint portion 12 is formed.
  • the joint portion 12 is a portion to which the film 11C is attached. As shown in FIG. 2, the joining portion 12 may be a palm attachment that joins the same surfaces of the film 11C, or an envelope attachment (not shown) that joins different surfaces of the film 11C.
  • the internal space of the bag body 10A is a storage space 10S for storing the article to be packaged O (see FIG. 8).
  • the film 11C a film formed of a thermoplastic resin can be used.
  • the thermoplastic resin low density polyethylene (LDPE), linear low density polyethylene (LLDPE), polypropylene (PP), and the like can be used.
  • PP may be any of homopolypropylene (HPP), random polypropylene (RPP), and block polypropylene (BPP).
  • the top portion 13 and the bottom portion 14 are joined to each other at the inner surfaces of the pair of surface portions 11A and 11B.
  • the long member 2 ⁇ / b> A includes a tear guide piece 21 joined to the first surface portion 11 ⁇ / b> A and the zipper tape 6.
  • the cross-sectional shape in the plane orthogonal to the longitudinal direction of the tear guide piece 21 is a rectangle in the figure, but in the present embodiment, it is not limited to a cross-sectional rectangle, and may be, for example, a cross-sectional triangle or a semicircular cross-section. Further, it may be formed in a string shape.
  • the zipper tape 6 includes a belt-like base 601 and a first member 61 having a first engagement portion 611 continuous with the belt-like base 601, and a belt-like body 602 and a second member having a second engagement portion 612 continuous with the belt-like body 602. 62.
  • the first engagement portion 611 and the second engagement portion 612 can be engaged with each other, and the width direction of the belt-like base portion 601 is obtained in a state where the first engagement portion 611 and the second engagement portion 612 are engaged. Is longer than the belt-like body 602 by projecting to one end side in the width direction, that is, the top side.
  • the extended portion of the belt-like base 601 is joined to the first surface portion 11A on the surface where the first engagement portion 611 is present and the belt-like body 602 is the surface where the second engagement portion 612 is absent. .
  • the first engaging portion 611 is a female portion
  • the second engaging portion 612 is a male portion that engages with the female portion
  • the first engaging portion 611 is a female portion
  • the two engaging portions 612 may be female portions.
  • a pair of the first engaging portion 611 and the second engaging portion 612 is shown, a plurality of pairs may be provided.
  • the first engaging part 611 and the second engaging part 612 may be configured to include a pair of hook-like parts 611B and 612B that engage with each other ( (See the imaginary line in FIG. 3).
  • the hook-like portion 611B and 612B are arranged on the side opposite to the extended side of the band-shaped base 601 with the male part and the female part interposed therebetween, and the hook-shaped part 611B is directed to the extended side of the band-shaped base 601 so as to The part 612B faces the bottom part 14.
  • the male part and the female part are engaged, when the extended side of the belt-like base 601 is pulled upward in FIG. 3 and the belt-like body 602 is pulled downward in FIG.
  • the belt-like base 601 and the belt-like body 602 Force (shearing force) is applied in a direction away from each other in the plane, and the hook-like portion 611B and the hook-like portion 612B are strongly engaged with each other in proportion to the pulling force, and by the engagement of the male part and the female part, A strong engagement state is obtained.
  • the male part and the female part are engaged, the extended side of the belt-like base 601 and the part of the belt-like body 602 facing the extended side are pulled apart from each other. Then, the engagement between the male part and the female part is released, and the engagement between the hook-like parts 611B and 612B is released.
  • the strip-shaped base portion 601 is disposed between the second surface portion 11 ⁇ / b> B and the tear guide piece 21 along the longitudinal direction of the tear guide piece 21.
  • resins that are incompatible with each other are selected.
  • the incompatible resin a combination of low density polyethylene and random polypropylene is preferable.
  • the knob 3 can pick the tear guide piece 21 and is provided at one end in the longitudinal direction of the long member 2A.
  • the knob 3 has an outer edge 31 formed by a cutting line 30 passing through one end of the strip-shaped base 601 and the tear guide piece 21 in the longitudinal direction and the first surface portion 11A. That is, the knob 3 is composed of the band-shaped base 601, the tearing guide piece 21, and the first surface portion 11 ⁇ / b> A in the region defined by the outer edge 31.
  • the outer edge 31 has a C shape with an opening facing the other end of the long member 2B.
  • the shape of the outer edge 31 is not particularly limited as long as it defines the outer peripheral shape of the knob 3, and can be any semicircular shape in addition to the C shape.
  • the cutting line 30 is also formed on the tear guide piece 21, but the tearing guide piece 21 is shifted in the longitudinal direction of the tear guide piece 21 by shifting the position of the C shape formed by the cutting line 30. It is not necessary to form the cutting line 30 on the piece 21.
  • Cutting regions 32 for cutting the strip-shaped base 601 are provided at both ends of the cutting line 30 of the knob 3 and adjacent to the other end of the long member 2A so as to cross the width direction of the tear guide piece. It has been.
  • the cutting region 32 is disposed on the other end side of the band-shaped base portion 22 from the cutting line 30. In FIG. 4, the cutting region 32 is arranged away from the cutting line 30, but may be arranged continuously with the cutting line 30.
  • a protective member 4 that covers the knob 3 is provided on the side of the first surface portion 11 ⁇ / b> A where the band-shaped base 601 is provided.
  • the protection member 4 is composed of a rectangular synthetic resin film.
  • the protection member 4 covers the knob 3 and prevents communication between the storage space 10 ⁇ / b> S of the bag body 1 ⁇ / b> A and the outer space of the bag body 1 ⁇ / b> A through the cutting line 30 that forms the outer edge 31 of the knob 3.
  • its material and shape are not limited.
  • the shape of the protective member 4 may be a circle, an ellipse, a triangle, or other shapes.
  • the outer peripheral edge of the protective member 4 is bonded to the first surface portion 11A and the strip-shaped base portion 601, and is not bonded to the first surface portion 11A and the strip-shaped base portion 601 over the entire surface.
  • a cutting portion 33 is formed at a position different from the tear guide piece 21 and the knob portion 3 of the first surface portion 11A, for example, at the other end portion in the longitudinal direction of the long member 2A.
  • a specific configuration of the cutting section 33 is shown in FIG. In FIG. 5, the cutting portion 33 is formed so as to cross the first surface portion 11 ⁇ / b> A and the tear guide piece 21 in the width direction of the tear guide piece 21. Note that the cutting portion 33 is not formed in the belt-like base portion 601.
  • the belt-like base portion 601 may be subjected to pressure from the inside and the outside of the first surface portion 11A. For example, the belt-like base portion 601 may be crushed toward the first surface portion 11A.
  • Reference numeral 22C indicates a crushing mark.
  • FIG. 6 shows the overall configuration of the film body 5A wound in a roll shape.
  • the film body 5 ⁇ / b> A is obtained by continuously providing the bag body before forming the joint portion 12, the top portion 13, and the bottom portion 14 in the bag body 1 ⁇ / b> A described above.
  • the film body 5A has a structure in which a plurality of long members 2B are provided on one surface of the film 11C in parallel with each other along a direction orthogonal to the feeding direction of the film 11C.
  • FIG. 7 shows the overall configuration of the bag manufacturing apparatus 100.
  • a bag manufacturing apparatus 100 is an apparatus that continuously manufactures a plurality of bag bodies 1A filled with an article to be packaged using a film body 5A.
  • the bag manufacturing apparatus 100 joins the supply mechanism 101 that supplies the film body 5A, the cylindrical former 102 that folds and overlaps both end edges of the film 11C of the film body 5A, and the both end edges that overlap the film 11C.
  • the back sticker seal device 103 that forms the joint portion 12 and the folded and unfolded portions of the film 11C of the film body 5A on which the joint portion 12 is formed along the transverse direction perpendicular to the joint portion 12.
  • an article filling device 107 for filling.
  • the cylindrical former 102 is arranged extending vertically, and the joining device 104 and the cutting device 105 are arranged below the cylindrical former 102. In FIG. 7, the joining device 104 and the cutting device 105 are illustrated close to each other for convenience.
  • the joining apparatus 104 includes a bottom forming portion 104A for forming the bottom portion 14 of the bag body 1A and a top forming portion 104B for forming the top portion 13 of the bag body 1A.
  • the bottom forming part 104A and the top forming part 104B are integrally formed, and the cutting device 105 is disposed in a space 108S formed between the bottom forming part 104A and the top forming part 104B.
  • the top forming part 104B and the top forming part 104B have seal bars 108A and 108B, respectively.
  • the seal bar 108B is integrated with the bottom forming part 104A and the top forming part 104B.
  • the seal bar 108A and the seal bar 108B come close to each other when the bottom portion 14 and the top portion 13 of the bag body are formed, and press the film 11C, and are separated from each other when the film 11C is lowered.
  • the cutting device 105 cuts between the top portion 13 of the bag body positioned on the leading side in the feeding direction of the film body 5A and the bottom portion 14 of the bag body positioned next, and includes a cutter 105A and a cutter receiving member 105B. And have.
  • the cutter receiving member 105B is made of rubber or the like.
  • the film body 5 ⁇ / b> A is supplied to the cylindrical former 102 by the supply mechanism 101.
  • both end edges of the film 11C are folded back to the inner side where the long member 2A is arranged, and a part thereof overlaps.
  • the overlapping portions of the film 11C are joined by the back sticking seal device 103 to form the joined portion 12 in a linear shape, and the film 11C is formed into a cylindrical shape.
  • the bottom forming portion 104A the folded portion and the unfolded portion of the film 11C are joined along the transverse direction orthogonal to the joining portion 12 to form the bottom portion 14 of the bag body in a straight line.
  • the object to be packaged O is filled into the cylindrical film 11 ⁇ / b> C by the object to be packaged filling device 107.
  • the cylindrical film 11C is sent to a predetermined position below, and the top portion 13 is formed on the film 11C by the top forming portion 104B.
  • the top portion 13 of the top bag body 1A in the supply direction of the film 11C and the bottom portion 14 of the next bag body 1A are formed simultaneously.
  • the film 11C located on the top part 13 is cut
  • FIG. By repeating the above steps, the bag body 1A filled with the article to be packaged O is continuously manufactured.
  • FIG. 9 shows an outline of an apparatus for producing a bag body without using a film body.
  • the manufacturing apparatus 200 covers the long member 2 ⁇ / b> A to the film 11 ⁇ / b> C, the long member attachment device 201 for providing the knob 3 on the film 11 ⁇ / b> C, and the knob 3 to cover the knob 3 with the protective member 4.
  • the long member attachment device 201 includes a long member supply mechanism 205 that supplies the long member 2A onto the film 11C, and a long member joint that joins the long member 2A supplied onto the film 11C to the film 11C. And a mechanism 206.
  • the long member supply mechanism 205 sends out the long member 2A formed in advance by extrusion molding or the like along the longitudinal direction so that the tear guide piece 21 is on the film 11C side.
  • the long member joining mechanism 206 joins the tear guide piece 21, the strip-like body 602, and a part of the strip-like base 601 to the film 11C (see FIG. 3), and sandwiches the film 11C and the long member 2A. And a pair of seal bars 206A and 206B that face each other.
  • the seal bars 206A and 206B are close to each other when the long member 2A is bonded to the film 11C, and are separated from each other when the bonding is completed.
  • the seal bars 206A and 206B are constituted by heat sealing, ultrasonic sealing, and other sealing means. It should be noted that an adhesive may be used when joining the tear guiding piece 21, the strip 602, and a part of the strip base 601 to the film 11C. It may be applied and pressed with a pair of bars.
  • FIGS. 10A and 10B A specific configuration of the knob installation device 202 is shown in FIGS. 10A and 10B.
  • the knob installation device 202 includes a cutting blade 202C having a cutting blade 202B with a cutting depth adjusted with respect to the cutting blade 202A and the cutting blade 202A, and a cutting table 202D that receives the blade 202C. Is a unit.
  • the penetrating blade 202A is a blade that penetrates the tear guide piece 21, the strip-shaped base 601 and the film 11C to form the cutting line 30.
  • the cutting blade 202B is a blade in which the cutting depth with respect to the through blade 202A is adjusted so that only the strip base 601 is cut without penetrating the tear guide piece 21 at the location where the tear guide piece 21 and the strip base 601 are joined. is there.
  • the cutting amount of the through blade 202A is larger than the total thickness of the laminated tear guide piece 21 and the strip-shaped base 601 and the film 11C.
  • the cutting depth of the cutting blade 202B is the same as the thickness of the belt-like base 601.
  • the penetrating blade 202 ⁇ / b> A has the same planar C shape as the cutting line 30 of the knob 3, and the cutting blade 202 ⁇ / b> B has the same linear shape as the cutting region 32.
  • the protective member installation device 203 includes a film installation unit 203 ⁇ / b> A that installs the protective member 4 so as to cover the knob 3, and a joining mechanism that joins the peripheral part of the protective member 4 to the film 11 ⁇ / b> C and the long member 2 ⁇ / b> A. 203B.
  • the film installation unit 203 ⁇ / b> A is a device having a suction cup for holding the protection member 4, and can be moved back and forth between a work position directly above the knob 3 and a retracted position that is removed from the knob 3.
  • the joining mechanism 203B includes a seal portion 203C and a seal receiving base 203D that are disposed with the long member 2A and the film 11C interposed therebetween.
  • the seal portion 203 ⁇ / b> C and the seal cradle 203 ⁇ / b> D can be moved back and forth at a working position where the protective member 4 is joined to the long member 2 ⁇ / b> A and the film 11 ⁇ / b> C and a retracted position where the protective member 4 is removed from the protective member 4.
  • the seal portion 203C has a recess portion 203E corresponding to the corner portion.
  • the seal portion 203C includes a heat seal, an ultrasonic seal, and other sealing means.
  • the cutting part forming device 204 can be moved back and forth between the working position of the other end of the long member 2A and the retracted position removed from the other end, and forms a cutting part 33 in the film 11C and the tear guide piece 21.
  • the cutting unit main body 204A includes a cutter unit 204C and a cutter cradle 204D.
  • the sealing portion 204B includes a pressing portion 204E having a convex portion at the tip and a receiving base 204F that receives the pressing portion 204E.
  • a crushed trace 22C remains on the belt-like base 22 pressed by the pressing portion 204E.
  • the long member 2B is sent out to the central portion of the film 11C by the long member attaching device 201, and the long member 2A is then used as the film.
  • the long member 2B is then used as the film.
  • one end edge of the second film 11E is bonded to the film 11C by the second film bonding apparatus 207.
  • pick part 3 is provided in the film 11C and the elongate member 2A with the knob
  • the blade 202C and the cradle 202D are moved toward the film 11C and the long member 2A, respectively.
  • the cutting blade 30A penetrates the long member 2A and the film 11C to form a cutting line 30, and the cutting blade 202B cuts the tear guide piece 21 and the film 11C in a straight line, thereby forming the cutting region 32. It is formed.
  • pick part 3 is covered with the protection member 4 by the film installation part 203A, and the peripheral part of the protection member 4 is joined to the film 11C and the long member 2A by the joining mechanism 203B.
  • the cutting part forming device 204 forms the cutting part 33 on the belt-like base 601 and the film 11C of the long member 2A.
  • the subsequent steps are the same as the manufacturing method using the film body 5A. That is, the film 11 ⁇ / b> C provided with the long member 2 ⁇ / b> A is supplied to the cylindrical former 102. In the cylindrical former 102, both end edges of the film 11C are folded back to the inner side where the long member 2A is disposed, and a part of the film 11C is overlapped.
  • the film 11C is formed into a cylindrical shape.
  • the bottom part 14A of the bag 1A is formed by the bottom part forming part 104A, and the packaged object O is filled into the cylindrical film 11C by the packaged article filling device 107.
  • the inside of the cylindrical film 11C is filled with the article to be packaged O, the film 11C is joined at a position above the filled article to be packaged O to form the top portion 13, and further, the bottom portion 14 of the film 11C and By cutting between the tops 13, individual bags 1 ⁇ / b> A are manufactured.
  • the bag manufacturing apparatus 300 before being filled with a package is provided with the basic configuration of the manufacturing apparatus 100 shown in FIG.
  • the structure of 104 and the cutting device 105 is different from the example shown in FIG.
  • the cross section of the principal part of the bag manufacturing apparatus 300 is shown in FIG.
  • the bag manufacturing apparatus 300 includes a joining device 304 and a cutting device 105.
  • the joining device 304 has only the bottom portion forming portion 104A for forming the bottom portion 14 of the bag body 1A, omitting the top portion forming portion 104B.
  • the bag manufacturing apparatus 300 before being filled with a package is provided with the basic configuration of the manufacturing apparatus 100 shown in FIG.
  • the structure of 104 and the cutting device 105 is different from the example shown in FIG. FIG. 12 shows a cross section of the main part of the bag manufacturing apparatus.
  • the bag manufacturing apparatus includes a joining device 304.
  • the joining device 304 of FIG. 12 has only the bottom portion forming portion 104A for forming the bottom portion 14 of the bag 1A without the top portion forming portion 104B.
  • the cutting device 105 is provided adjacent to and below the bottom forming portion 104A.
  • both end edges of the film 11C are folded back to the inner side where the long member 2A is arranged, and the overlapping portions are joined.
  • the joining portion 12 is formed, and the film 11C is formed into a cylindrical shape.
  • the bottom portion 14A is joined to the folded portion and the unfolded portion of the film 11C to form the bottom portion 14 of the bag body 1A.
  • the film 11 ⁇ / b> C is cut in parallel to the bottom portion 14.
  • the film 11 ⁇ / b> C is cut into a straight line parallel to the bottom 14 by the cutting device 105.
  • the top part 13 is not formed in the bag body 1A manufactured as described above, the top part is separately formed using a sealing device (not shown) after the packaged article is stored inside the bag body 1A. .
  • the long member 2 ⁇ / b> A includes a long tear guide piece 21, a zipper tape 6, and a knob 3.
  • the knob 3 has an outer edge 31 formed by a cutting line 30 that passes through the belt-like base 601 of the zipper tape 6 and the first surface portion 11A of the bag body 10B.
  • a cutting region 32 for cutting the strip-shaped base 601 is provided at locations adjacent to both ends of the cutting line 30 of the knob 3, and a protective member 4 that covers the knob 3 is provided on the first surface portion 11 ⁇ / b> A. Therefore, in the bag body 1A having the zipper tape 6, the communication between the storage space 10S and the external space through the cutting line 30 is prevented before opening, and high sealing performance is maintained.
  • the belt-like base portion 601 and the belt-like body 602 of the zipper tape 6 are respectively joined to the first surface portion 11A, the engagement between the first engagement portion 611 and the second engagement portion 612 is not released. It becomes possible to fill the package body O with the bag body 1B.
  • a cutting portion 33 is formed at a position different from the tearing guide piece 21 and the knob portion 3 of the first surface portion 11A, and the cutting portion 33 is connected to the first surface portion 11A and the tearing guide piece 21 in the width direction. Therefore, the cutting portion 33 becomes the end point of the portion to be torn by the tear guide piece 21 and the first surface portion 11A is prevented from being broken more than necessary by the tear guide piece 21. .
  • the cutting part 33 only the first surface part 11A and the tear guide piece 21 are cut, and the belt-like base part 22 is not cut. Therefore, the storage space 10S of the bag main body 10A communicates with the external space through the cutting part 33 before opening. To be prevented.
  • the film body 5A is configured. By winding 5A into a roll, the film body 5A can be easily conveyed. Moreover, since the length of the film 11C along the longitudinal direction of the long member 2A exceeds twice the length of the long member 2A in the longitudinal direction, both end edges of the film 11C are connected to both ends of the long member 2A.
  • the film 11 ⁇ / b> C can be formed into a cylindrical shape by folding each other inward and joining the overlapping portions to form the joint 12 in a linear shape.
  • An example of the bag manufacturing method is to supply the film body 5A, fold back both ends of the film 11C to the inner side where the long member 2A is disposed, and join the overlapping portions to form the joint 12 to form the film 11C. Is formed into a cylindrical shape, and the folded portion and the unfolded portion of the film 11C are joined along the transverse direction orthogonal to the joining portion 12 to form the bottom 14 of the bag body, and in the transverse direction of the film 11C. If the film 11C is cut in parallel with the bottom 14 at a position opposite to the bottom 14 along the long member 2A, the bag body 1A before being filled with the package from the film body 5A is continuous. Can be manufactured.
  • the packaged object O is filled into the cylindrical film 11C, and the bag 11 is folded back at a position away from the bottom portion 14. If the top part 13 of the bag body is formed by joining the part and the part that is not folded back, the bag body 1A filled with an article to be packaged can be continuously manufactured. Moreover, the long member 2A is provided on one surface of the film 11C, and there is a gap between the folded portion of the film 11C and the long member 2A. Therefore, the filling operation can be performed smoothly.
  • FIG. 13 shows a bag 1B of the second embodiment.
  • the bag body 1B of the second embodiment is different from the top part 13 and the bottom part 14 of the bag body 1A of the first embodiment in the configuration of the top part 130 and the bottom part 140, and the other structure is the bag of the first embodiment. It is the same as the body 1A.
  • the bag body 1 ⁇ / b> B has a top portion 130 and a bottom portion 140.
  • the top portion 130 is provided with two gripping portions 11F.
  • the shape of the grip portion 11F is not particularly limited as long as it can be held by hand.
  • one or more hole-like handles are provided at the upper end, or the handle is passed through a string at the upper end portion of the bag body 10B.
  • the handle can be suitably made by joining a handle member made of resin or metal to the upper end of the bag.
  • the bottom portion 140 is provided with a bottom surface portion 11D.
  • the bottom surface portion 11D is for standing the bag body 1B in a state where the article to be packaged O is stored in the storage space 10S.
  • the bottom surface portion 11D is formed by joining the edges of the second film 11E on the opposite sides to the inner surfaces of the pair of surface portions 11A and 11B. In the state where the bag body 1A is folded, the second film 11E is folded in half, and in the state where the bag body 1A is self-supporting, the peripheral portion joined to the pair of surface portions 11A and 11B of the bottom surface portion 11D is formed. The removed surface intersects the surfaces of the pair of surface portions 11A and 11B.
  • the bottom portion 140 is a region where the pair of surface portions 11A and 11B and the second film 11E are joined.
  • the dimension m along the longitudinal direction of the joining portion 12 of the bottom portion 140 is It is small in the central part where the joint part 12 is formed, and has an arc shape that increases from the central part toward both side edges of the bag body 10B.
  • This is folded into two when the bottom portions 140 of the pair of surface portions 11A and 11B are separated from each other, for example, by filling the storage space 10S of the bag body 1B with an object to be packaged (not shown in FIG. 14). This is because the second film 11E develops to form a flat bottom surface portion 11D.
  • the film body 5B has a plurality of long members 2A provided in parallel to each other along a direction orthogonal to the feeding direction of the film 11C on one surface of the film 11C. Is a structure in which one end edge of the second folded film 11E is joined to the film 11C.
  • the 2nd film 11E is arrange
  • the second film 11E is folded in half so that opposite end edges thereof are aligned, and one end edge of both end edges is joined to the film 11C.
  • a central portion of the film 11C where the long member 2A and the second film 11E are provided is a portion corresponding to the first surface portion 11A, and both side portions sandwiching the long member 2A and the second film 11E are second surface portions. It is a part corresponding to 11B.
  • FIG. 15 shows the overall configuration of the bag manufacturing apparatus 400.
  • the bag manufacturing apparatus 400 is different from the first embodiment in addition to the supply mechanism 101, the cylindrical former 102, the back sticking seal apparatus 103, the feed belt 106, and the packaged article filling apparatus 107 of the first embodiment.
  • a joining device 404 and a cutting device 405 are provided. In FIG. 15, the bonding device 404 and the cutting device 405 are illustrated close to each other for convenience.
  • the joining device 404 includes a bottom forming part 404A for forming the bottom 140 of the bag 1B and a top forming part 404B for forming the top 130 of the bag 1B.
  • the bottom portion forming portion 404A and the top portion forming portion 404B are arranged vertically.
  • the top forming portion 404B is for forming the top portion 130 on the bag body 1B located on the leading side in the feeding direction of the film body 5B, and the bottom forming portion 404A is next to the bag body located on the leading side.
  • a bottom portion 140 provided with a bottom surface portion 11D is formed on the bag body 1B located at the bottom.
  • the bottom forming portion 404A includes a seal bar 111 that joins the other edge of the second film 11E and the film 11C.
  • a seal receiving portion 112 is disposed on the side where one end edge of the second film 11E is bonded to the film 11C in advance.
  • the seal bar 111 includes a film contact portion 111A that joins the other edge of the second film 11E to the film 11C, and a spacer portion 111B that prevents the center portion 11E1 of the second film 11E from joining the film 11C. .
  • the seal bar 111 joins the film 11C and the edge of the second film 11E using heat sealing, ultrasonic sealing, or other sealing means.
  • the spacer 111B is not limited to a specific configuration as long as it does not transmit the heat or ultrasonic vibration of the seal bar 111 to the film 11C and the second film 11E.
  • the seal bar 111 is formed from the heat seal bar.
  • the spacer portion 111B may be formed of a plate material that is difficult to transfer heat.
  • the portion corresponding to the bottom portion 140 and the portion corresponding to the top portion 130 have different thicknesses at portions where the films overlap. That is, in the bottom part 140, the edge of the second film 11E is joined to the film 11C to form the bottom part 11D. Therefore, the part where the cylindrical film 11C overlaps is the two films, and is folded in two. The portion where the second film 11E overlaps is for two films, and the overlap of the films is a total of four. In the case where the top portion 130 is formed by the top portion forming portion 104B, the mutually opposing portions of the cylindrical film 11C are joined, so that the two films 11C overlap each other. For this reason, separate devices are used for the top forming portion 404B and the bottom forming portion 404A.
  • the cutting device 405 includes a region of the film 11C that becomes the bag body 1B in which the top portion 130 is formed by the top portion forming portion 404B, and a region of the bag body (not shown in FIG. 16) that is located on the front side of the bag body 1B. And a punching mechanism 4051 for punching and forming the gripping portion 11F on the top portion 130 of the top bag body.
  • the cutting mechanism 4050 includes a cutter 105A and a cutter receiving member 105B.
  • the punching mechanism 4051 includes a punching blade 107A that punches the top 130 along the outer shape of the gripping part 11F, and a punching blade receiving member 107B.
  • the cutter receiving member 105B and the punching blade receiving member 107B are formed from one rubber block 4052.
  • the cutter 105A and the punching blade 107A are housed in the same case 4053.
  • the cutter 105A and the punching blade 107A are for cutting or punching the film 11C by moving forward toward the rubber block 4052. These advancements may be performed simultaneously or even if the punching blade 107A is first. Good.
  • the film body 5B is supplied to the cylindrical former 102 by the supply mechanism 101, and both end edges of the film 11C of the film body 5B are folded back by the cylindrical former 102 so as to partially overlap each other.
  • the overlapping portions of the film 11C are joined by the back sticking seal device 103 to make the film 11C into a cylindrical shape.
  • the bottom part formation part 404A the edge which is not joined among the film 11C and the 2nd film 11E is joined, and the bottom face part 11D of the bag 1B is formed.
  • the object to be packaged O is filled into the cylindrical film 11C by the object filling device 107, and the top 130 is formed on the film 11C by the top forming part 404B.
  • the object to be packaged O is filled into the cylindrical film 11C by the object to be packaged filling device 107, and the top 130 is formed on the film 11C by the top forming part 104B.
  • the top portion 130 of the top bag body in the supply direction of the film 11C and the bottom portion 140 of the next bag body may be formed simultaneously, or may be formed with a time difference.
  • the punching mechanism 4051 forms the grip portion 11F on the top portion 130, and the cutting mechanism 4050 cuts the film 11C on the top portion 130.
  • FIG. 17 shows an outline of an apparatus for producing a bag body without using a film body.
  • the manufacturing apparatus 500 includes a long member mounting apparatus 201, a knob section installation apparatus 202, a protection member installation apparatus 203, a cutting section forming apparatus 204, a cylindrical former 102, a back sticker sealing apparatus 103, and a feed according to the first embodiment.
  • a belt 106 and an article filling device 107, a joining device 404 and a cutting device 405 shown in FIG. 15, and a second film joining device 207 for joining one end edge of the second film 11E to the film 11C are provided.
  • the second film bonding apparatus 207 includes a film holding unit 208 that places the second film 11E folded in advance at a position that is the center of the film 11C and away from the long member 2A, and one end of the second film 11E. And a sealing device 209 that joins the edge to the film 11C.
  • the seal device 209 includes a seal bar (not shown) disposed below the film 11C, and a seal receiving portion 209A disposed with the film 11C interposed between the seal bar and the seal bar.
  • For the seal bar means for performing sealing such as heat sealing and ultrasonic sealing can be adopted.
  • the edge of the second film 11E may be bonded to the film 11C with an adhesive.
  • the long member 2B is sent to the center of the film 11C by the long member mounting apparatus 201, and the long member 2A is provided on one surface of the film 11C. . Furthermore, the one end edge of the 2nd film 11E is joined to the center part of the film 11C with the 2nd film joining apparatus 207. Then, the knob
  • the film 11 ⁇ / b> C provided with the long member 2 ⁇ / b> A is supplied to the cylindrical former 102.
  • both end edges of the film 11C are folded back to the inner side where the long member 2A is disposed, and a part of the film 11C is overlapped.
  • the film 11C is formed into a cylindrical shape.
  • the bottom portion 140 of the bag body 1A is formed by the bottom portion forming portion 144A, and the packaged object O is filled into the cylindrical film 11C by the packaged material filling apparatus 107.
  • the film 11 ⁇ / b> C is joined at a position above the filled article O to form the top portion 130, and the grip portion 11 ⁇ / b> F is formed on the top portion 130. Furthermore, the bottom portion 140 and the top portion 130 of the film 11C are cut to form individual bag bodies 1B.
  • the bag manufacturing apparatus 600 before being filled with the package is provided with the basic structure of the manufacturing apparatus 400 shown in FIG.
  • the structure of 404 and the cutting device 405 is different from the example shown in FIG. FIG. 18 shows a cross section of the main part of the bag manufacturing apparatus 600.
  • the bag manufacturing apparatus 600 includes a joining apparatus 604 and a cutting apparatus 605.
  • the joining device 604 has only the bottom forming part 104A for forming the bottom 140 of the bag 1B, omitting the top forming part 404B.
  • the cutting device 605 has a cutting mechanism 4050, and the punching mechanism 4051 is omitted.
  • the cylindrical former 102 is used to fold back both ends of the film 11C to the inner side where the long member 2B is disposed and overlap each other. Are joined together to form the joint portion 12, and the film 11C is formed into a cylindrical shape. Furthermore, the bottom portion 140A is formed by joining the other end edge of the second film 11E folded in half to the inner surface of the film 11C by the bottom portion forming portion 404A. Thereafter, the film 11 ⁇ / b> C is cut parallel to the bottom 140 by the cutting device 405.
  • the bag body 10B has a pair of opposed surface portions 11A and 11B and a bottom surface portion 11D joined to the pair of surface portions 11A and 11B at the edges.
  • the bottom surface portion 11D it is possible to expect the bag body 1B to stand in a state where the packaged object O is stored in the storage space 10S. Since the bag body 10B is provided with the grip portion 11F, the bag body 1B can be easily held.
  • the bag body 1 ⁇ / b> C includes a bag body 10 ⁇ / b> A, a long member 2 ⁇ / b> C provided on the bag body 10 ⁇ / b> A, a knob 3, and a protection member 4.
  • the long member 2 ⁇ / b> C includes a tear guide piece 21 and a zipper tape 7.
  • the zipper tape 7 includes a first member 61 and a second member 72 having a band-like body 702 and a second engaging portion 612 continuous with the band-like body 702.
  • the zipper tape 7 is made of the same material as the zipper tape 6 of the first embodiment.
  • the band-like body 702 is formed at the end of the main body 702A, which is joined to the first surface portion 11A and provided with the second engagement portion 612, and at the end near the top portion 13 of the main body 702A.
  • a thin thin portion 702B is formed at the end of the main body 702A, which is joined to the first surface portion 11A and provided with the second engagement portion 612, and at the end near the top portion 13 of the main body 702A.
  • a thin thin portion 702B has a surface to which the tearing guide piece 21 is joined.
  • This surface is orthogonal to the end surface facing the top portion 13 of the main body portion 702A, and the end surface of the main body portion 702A tears the tearing guide piece 21.
  • the thickness of the main body 702A may be the same as the thickness of the thin portion 702B.
  • a convex portion that guides the tearing direction of the tear guide piece 21 may be formed on the main body 702A.
  • derivation piece 21 on the flat main-body part 702A, without providing a convex part may be sufficient. That is, as long as the tear guide piece 21 has a structure provided on the first surface portion 11A via the belt-like body 702, the attachment structure of the tear guide piece 21 is not limited.
  • a pair of hook-like portions 611B and 612B that engage with each other are provided. (See imaginary line in FIG. 19)
  • the knob 3 has a C-shaped outer edge 31 at one end of the long member 2C.
  • the opening of the outer edge 31 is directed to the other end side of the long member 2C. Is formed.
  • the cutting regions 32 are provided at the ends of the cutting line 30 and adjacent to the other end portion side of the long member 2C.
  • FIG. 21 shows the other end of the long member 2B in the longitudinal direction.
  • the cutting part 33 is formed in the other end part of the elongate member 2C.
  • the cut portion 33 is formed so as to cross the width direction of the tear guide piece 21 of the first surface portion 11 ⁇ / b> A, the strip 702, and the tear guide piece 21. Note that the cutting portion 33 is not formed in the belt-like base portion 601.
  • the apparatus and method for manufacturing the bag body 1C of the third embodiment are the same as those of the first embodiment, and the third embodiment can achieve the same effects as those of the first embodiment.
  • the bag body 1 ⁇ / b> D includes a bag body 10 ⁇ / b> D, a long member 2 ⁇ / b> A provided on the bag body 10 ⁇ / b> D, a knob 3, and a protection member 4.
  • the bag body 10D is commonly referred to as a gusset bag, and a pair of face parts 11A, 11B facing each other and a pair of side face parts facing each other through the pair of face parts 11A, 11B at both side edges of the pair of face parts 11A, 11B.
  • 11G and a bottom surface portion 11H are folded inward by fold lines.
  • the bag body 10D has a top portion 130 on which a grip portion 11F is formed.
  • the pair of surface portions 11A and 11B and the pair of side surface portions 11G may be formed from one film, and the bottom surface portion 11H may be formed from another film, but the first surface portion 11A, The second surface portion 11B, the one side surface portion 11G, and the other side surface portion 11G may be formed from one film, and the bottom surface portion 11H may be formed from another film.
  • the apparatus and method for manufacturing the bag body 1D of the fourth embodiment are the same as those of the first embodiment, and the fourth embodiment can achieve the same effects as those of the first embodiment.
  • FIG. 23 shows the overall configuration of the bag body 1E.
  • the bag body 1 ⁇ / b> E includes a bag body 10 ⁇ / b> A, a long member 2 ⁇ / b> E provided on the bag body 10 ⁇ / b> A, a knob 3, and a protection member 4.
  • FIGS. 24 and 25 show the entire long member 2E.
  • the long member 2E includes a tear guide piece 21 directly joined to the first surface portion 11A and a plurality (two in the figure) of strip-shaped base portions arranged in the longitudinal direction of the tear guide piece 21. 22.
  • the belt-like base portion 22 is formed from the same material as the zipper tape 6. If the two strip bases 22 are made of a flexible synthetic resin, it is easy to put a hand into the bag body 10A from the gap between the two strip bases 22.
  • the band-shaped base portion 22 includes a plate portion 22A disposed on the opposite side to the first surface portion 11A across the tear guide piece 21, and a convex portion 22B formed integrally with the plate portion 22A.
  • the convex portion 22B is joined to the first surface portion 11A. Adjacent band-shaped base portions 22 are arranged such that the plate portions 22A are close to each other and the convex portions 22B are separated from each other.
  • FIG. 26 shows one end of the long member 2E. 24 and 26, the knob 3 has an outer edge 31 formed by a cutting line 30 that passes through one end of the strip-shaped base 22 and the tear guide piece 21 in the longitudinal direction and the first surface portion 11A. That is, the knob 3 is composed of the band-shaped base 22, the tearing guide piece 21, and the first surface portion 11 ⁇ / b> A in the region defined by the outer edge 31. At locations adjacent to both ends of the cutting line 30, a cutting region 32 for cutting the strip-shaped base portion 22 is provided so as to cross the width direction of the tearing guide piece 21. The cutting region 32 is disposed on the other end side of the band-shaped base portion 22 from the cutting line 30.
  • the protection member 4 is joined to the first surface portion 11 ⁇ / b> A and the strip-shaped base portion 22.
  • the joining structure of the protection member 4 to the first surface portion 11A and the strip-shaped base portion 22 covers the knob portion 3, and can prevent communication between the storage space 10S of the bag body 1A and the external space of the bag body through the cutting line 30. If it is a thing, it will not be limited.
  • the peripheral portion 41 of the protection member 4 may be joined to the first surface portion 11A and the belt-like base portion 22 so as to cover the knob portion 3.
  • the entire surface facing the surface portion 11A and the strip-shaped base portion 22 is not joined to the first surface portion 11A and the strip-shaped base portion 22; for example, in the embodiment of FIG. 25, the outer edge of the portion covering the knob 3 of the protective member 4
  • belt-shaped base part 22 of the protection member 4 is suitably performed using a heat seal, an ultrasonic seal
  • the cutting portion 33 is formed at a position different from the tear guide piece 21 and the knob portion 3 of the first surface portion 11A, for example, at the other end portion in the longitudinal direction of the long member 2E.
  • a specific configuration of the cutting section 33 is shown in FIG. In FIG. 27, the cutting part 33 cuts the first surface part 11 ⁇ / b> A and the tear guide piece 21 so as to cross the width direction of the tear guide piece 21.
  • the cutting portion 33 is not formed in the belt-like base portion 22.
  • the belt-like base portion 22 may be pressurized from the inside and the outside of the first surface portion 11A. For example, the belt-like base portion 22 may be crushed toward the first surface portion 11A.
  • the gap between the two belt-like base portions 22 is closed by crushing the two belt-like base portions 22 toward the first surface portion 11A. Therefore, the outside and the inside of the bag body 10 ⁇ / b> A do not communicate with each other through the cutting part 33. In addition, it is good also as a structure which blocks previously the clearance gap between strip shaped base parts 22 with the film etc. which are not shown in figure as needed.
  • the present invention is not limited to the above-described embodiments, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.
  • two strip-shaped base portions 22 are prepared, and the tear guide piece 21 is directly joined to the first surface portion 11A to form the long member 2E.
  • FIGS. As shown in FIG. 4, the long member 2F is disposed along the longitudinal direction of the strip-shaped sheet 20 joined to the first surface portion 11A, the tear guide piece 21 provided on the strip-shaped sheet 20, and the tear guide piece 21. You may comprise and comprise the strip
  • the tear guide piece 21 is indirectly provided on the first surface portion 11 ⁇ / b> A via the belt-like sheet 20.
  • the protective member 4 is provided only on the portion covering the knob portion 3.
  • the entire length direction of the band-shaped base portions 22, 601 is extended along the longitudinal direction of the band-shaped base portions 22, 601. It is good also as a structure to install.
  • the protective member 4 is formed in a long shape, and the long protective member 4 is installed on the belt-like base 601 from one end to the other end in the longitudinal direction of the long member 2A. It is good also as composition to do.
  • the film bodies 5A and 5B are wound in a roll shape, but in the present invention, the film bodies 5A and 5B may be folded.
  • the bag main bodies 10A and 10B have the joint portion 12 in which the edge portions located on the opposite sides of the single film 11C are overlapped with each other.
  • the single film 11C is opposite to each other. Even if it has the junction part 12 which folded the edge parts located in the side into two on the boundary respectively in the position which left

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
PCT/JP2018/016921 2017-05-08 2018-04-26 袋体、フィルム体、および袋体の製造方法 Ceased WO2018207631A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201880030125.5A CN110603203B (zh) 2017-05-08 2018-04-26 袋体、薄膜体和袋体的制造方法
EP18798978.5A EP3623314B1 (en) 2017-05-08 2018-04-26 Bag body, film body, and method for manufacturing bag body
US16/611,737 US11845589B2 (en) 2017-05-08 2018-04-26 Bag body, film body, and method for manufacturing bag body
KR1020197034874A KR20200003019A (ko) 2017-05-08 2018-04-26 주머니체, 필름체, 및 주머니체의 제조 방법
KR1020237044807A KR102748413B1 (ko) 2017-05-08 2018-04-26 주머니체, 필름체, 및 주머니체의 제조 방법
US18/500,288 US20240059458A1 (en) 2017-05-08 2023-11-02 Bag body, film body, and method for manufacturing bag body

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-092532 2017-05-08
JP2017092532A JP6894753B2 (ja) 2017-05-08 2017-05-08 袋体、フィルム体、及び袋体の製造方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US16/611,737 A-371-Of-International US11845589B2 (en) 2017-05-08 2018-04-26 Bag body, film body, and method for manufacturing bag body
US18/500,288 Division US20240059458A1 (en) 2017-05-08 2023-11-02 Bag body, film body, and method for manufacturing bag body

Publications (1)

Publication Number Publication Date
WO2018207631A1 true WO2018207631A1 (ja) 2018-11-15

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US (2) US11845589B2 (enExample)
EP (1) EP3623314B1 (enExample)
JP (1) JP6894753B2 (enExample)
KR (2) KR20200003019A (enExample)
CN (1) CN110603203B (enExample)
TW (1) TWI766012B (enExample)
WO (1) WO2018207631A1 (enExample)

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WO2025187443A1 (ja) * 2024-03-06 2025-09-12 出光ユニテック株式会社 ジッパーテープ、ジッパーテープ付きフィルム、ジッパーテープ付き容器およびジッパーテープ付き容器の製造方法

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JP6882350B2 (ja) 2019-01-23 2021-06-02 出光ユニテック株式会社 内容物入り容器の製造装置、製造方法および容器
JP7343297B2 (ja) * 2019-05-09 2023-09-12 朋和産業株式会社 食品用包装材及び包装材原反の製造方法
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JP7498639B2 (ja) * 2020-10-16 2024-06-12 出光ユニテック株式会社 フィルム片の打ち抜き接合装置、フィルムの製造装置、袋状容器の製造装置、フィルム片の打ち抜き接合方法、フィルムの製造方法および袋状容器の製造方法
EP4375212A4 (en) * 2021-07-20 2025-09-24 Idemitsu Unitech Co Ltd CONTAINER, METHOD FOR MANUFACTURING A CONTAINER, DEVICE FOR MANUFACTURING A CONTAINER, SEALING JAW AND FILM ASSEMBLY
JP2024143028A (ja) * 2023-03-30 2024-10-11 出光ユニテック株式会社 容器、テープ付きフィルム、テープ部材、テープ付きフィルムの製造方法および容器の製造方法
WO2025023223A1 (ja) * 2023-07-27 2025-01-30 出光ユニテック株式会社 ジッパーテープ、ジッパーテープ付き容器、ジッパーテープの製造方法およびジッパーテープ付き容器の製造方法
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TWI881023B (zh) * 2020-01-24 2025-04-21 日商出光統一科技股份有限公司 夾鏈帶、附有夾鏈帶之袋及附有夾鏈帶之袋之製造方法
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JP2023157728A (ja) * 2022-04-15 2023-10-26 出光ユニテック株式会社 フィルム片の接合装置、フィルムの製造装置、袋状容器の製造装置、フィルム片の接合方法、フィルムの製造方法および袋状容器の製造方法
WO2025187443A1 (ja) * 2024-03-06 2025-09-12 出光ユニテック株式会社 ジッパーテープ、ジッパーテープ付きフィルム、ジッパーテープ付き容器およびジッパーテープ付き容器の製造方法

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CN110603203A (zh) 2019-12-20
EP3623314B1 (en) 2023-12-13
KR20240006701A (ko) 2024-01-15
KR20200003019A (ko) 2020-01-08
TWI766012B (zh) 2022-06-01
US20200407122A1 (en) 2020-12-31
CN110603203B (zh) 2022-12-23
JP2018188196A (ja) 2018-11-29
US20240059458A1 (en) 2024-02-22
KR102748413B1 (ko) 2024-12-30
EP3623314A4 (en) 2021-01-20
JP6894753B2 (ja) 2021-06-30
EP3623314A1 (en) 2020-03-18
TW201843088A (zh) 2018-12-16
US11845589B2 (en) 2023-12-19

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