WO2011155717A2 - 직선형 절취특성을 갖는 파우치 및 제조방법 그리고 그 파우치 제조장치 - Google Patents
직선형 절취특성을 갖는 파우치 및 제조방법 그리고 그 파우치 제조장치 Download PDFInfo
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- WO2011155717A2 WO2011155717A2 PCT/KR2011/003834 KR2011003834W WO2011155717A2 WO 2011155717 A2 WO2011155717 A2 WO 2011155717A2 KR 2011003834 W KR2011003834 W KR 2011003834W WO 2011155717 A2 WO2011155717 A2 WO 2011155717A2
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- WIPO (PCT)
- Prior art keywords
- pouch
- adhesive
- layer
- cutting
- base film
- Prior art date
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- 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
- B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness
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- 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
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
- B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
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- 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
- B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
- B65D33/22—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps using heat-activatable adhesive
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- 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
- B65D75/008—Standing pouches, i.e. "Standbeutel"
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/46—Bags
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- 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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/003—Filling medical containers such as ampoules, vials, syringes or the like
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- 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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
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- 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
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
Definitions
- the present invention relates to a pouch for packaging the contents requiring long-term preservation from moisture or oxygen, and in particular, a pouch having a straight line cutting property and a straight line cutting property to form a smooth cutting line along a prescribed straight line cutting line.
- Method and a pouch manufacturing apparatus are provided.
- the primary purpose of packaging is to protect and preserve the contents.
- a packaging material which is excellent in water vapor and gas barrier properties, and to ensure a reliable seal to seal and seal the container.
- Heat seal soft packaging pouches such as food / pharmaceutical pouches, pillow pouches, or stick packaging pouches using laminate packaging mainly composed of plastic films are widely used in the packaging field because they can exhibit various packaging functions required for a product.
- the laminate film is basically composed of a base film, a barrier layer and a sealant film, and is umbilized and filled sealed according to the packaging process, but in general, the umbilical film and the sealing are performed by heat seals.
- the sealing of the heat seal soft packaging pouch requires a uniform and reliable seal so that the protection of the contents can be sufficiently maintained as described above, but it tends to be difficult to simply peel off the top seal when taking out the contents. For this reason, an easy cut function is required as an opening means in most soft packaging pouches.
- What is generally done as an easy opening means of a heat seal soft packaging pouch is a method of inserting a cut indicative of a tear start point (notch) at an opening position.
- a tear start point that is, the notch
- the cut is easily initiated due to the notch.
- the tearing direction or tearing direction
- the cutability is poor and the directionality is also poor.
- the pouches can be easily opened due to small external pressures such as a small impact or crushing due to the perforated holes, they are mainly used in small pouches for packaging powder products such as disposable coffee and seasonings.
- the technical problem to be solved by the present invention is a pouch and manufacturing method having a straight cut property that can ensure easy cutability even when the tear direction is irregular according to the characteristics of the substrate, that is, the film constituting the pouch, and the pouch manufacture It is to provide a device.
- Another technical problem to be solved by the present invention is a pouch and a manufacturing method which can be smoothly cut along a defined straight cutting line even when the force at the point of the cut starts to act out of the direction specified. It is to provide a pouch manufacturing apparatus.
- the present invention is a packaging material for packaging contents requiring long-term preservation from moisture or oxygen, based on a synthetic resin sheet of the front sheet and the back sheet of two sheets, tearing in the opening position
- a packaging material for packaging contents requiring long-term preservation from moisture or oxygen based on a synthetic resin sheet of the front sheet and the back sheet of two sheets, tearing in the opening position
- a pouch having a notch indicative of a starting point, and having a straight cut feature, with a cut line formed with a plurality of cutout grooves extending straight from the notch along the opening position.
- the front sheet and the rear sheet, the surface protective layer is laminated on the base film consisting of a reinforcing layer and a heat-adhesive resin layer, the cut groove is formed on one surface of the base film in the direction of bonding with the surface protective layer It features.
- the cutting grooves are formed at least two or more at regular intervals in the vertical direction, so that even if the tearing force of the pouch is shifted from the designated direction during cutting, the cutting grooves have a nearly straight cutting pattern along another neighboring cutting groove in cutting. It is preferable to be able to maintain, and the interval between the cutting grooves for this is appropriate about 0.1mm ⁇ 2mm.
- the surface protective layer, the reinforcing layer, and the heat-adhesive resin layer are sequentially made of polyester film (PET), nylon film, unstretched film (CPP) or PE film, or polyester film (PET), Synthetic film, unstretched film (CPP), or PE film in which aluminum is deposited on the nylon surface may be used as the material.
- PET polyester film
- CPP unstretched film
- PE film polyester film
- Synthetic film unstretched film
- PE film in which aluminum is deposited on the nylon surface may be used as the material.
- the surface protective layer, the reinforcing layer, and the heat adhesive resin layer are bonded by laminating by forming an adhesive layer between each layer.
- the present invention comprises the steps of: (a) forming a base film consisting of a reinforcing layer and a heat adhesive resin layer; (b) applying an adhesive to the back surface-protected layer having the contents information printed thereon and drying the adhesive; (c) forming a cutting line by processing a straight cutting groove at a predetermined interval on one surface of the base film to be connected to the surface protection layer; (d) bonding the surface protective layer on the reinforcing layer of the base film to form a large area front sheet and rear sheet; (e) sealing the large area sheet in a constant compartment while transferring the two large area sheets in contact with the front and rear surfaces; It provides a pouch manufacturing method having a smooth cutting characteristics, comprising the step of: (f) cutting a large area of the sealed sheet by the partition size and at the same time forming a notch to the tear starting point in each pouch.
- the adhesive application in the step (b), the surface protection layer is to be continuously applied while moving in contact with the surface of the adhesive coating roller, the part of which is partly exposed to the receiving portion containing the adhesive It is preferable.
- the adhesive may be dried by continuously passing the surface protective layer through the chamber 30 having the inlet and the outlet and having hot air injected therein.
- the cutting line in the step (c) is a shape processing roller consisting of a shape processing roller and a roller forming a shape processing surface of a fine concavo-convex pattern on the circumferential surface of the cutting film continuously passing through the factory value continuously It is desirable to allow processing to take place.
- the width W of the concave-convex pattern formed on the shape processing roller is preferably configured to be formed at an interval of about 0.1 mm to 2 mm in consideration of the gap between the cutting lines to be formed on the pouch.
- the first winding unit winding the surface protection layer, the contents information is printed;
- a laminating treatment unit for laminating and adhering the base film on which the surface protection layer and the cutout groove on which the adhesive is applied are laminated;
- the adhesive applying unit may be a configuration in which a portion of the adhesive coating roller is rotatably exposed to the outside in the receiving portion containing the adhesive.
- the chamber has an inlet and an outlet in which a surface-protective layer coated with an adhesive on a rear surface thereof can be continuously passed in a horizontal direction, and a plurality of hot air spray nozzles sprayed with hot air for drying the adhesive therein are provided in a constant separation pattern. It may be an installed configuration.
- the shape processing factory includes a shape processing roller having a shape processing surface of a fine concavo-convex pattern on the circumferential surface and a roller that rotates in engagement with the shape processing roller, and the shape processing roller is moved as a cylinder and a linear guide interlocking with the cylinder. It can be configured to be able to move backward and backward.
- the width (W) of the concave-convex pattern formed on the shape processing roller in consideration of the interval between the above-mentioned cutting groove to be shape-processed in the pouch, it is good to configure so as to be formed at intervals of about 0.1mm ⁇ 2mm.
- the sheet manufacturing apparatus may further comprise a cooling roller for cooling the large area sheet made by the adhesion of the surface protective layer and the base film while passing through the laminating treatment.
- a cooling roller for cooling the large area sheet made by the adhesion of the surface protective layer and the base film while passing through the laminating treatment.
- the pouch according to the present invention easy cutability is ensured even when the tear direction is irregular depending on the characteristics of the substrate, that is, the film constituting the pouch. Even if it is shifted, the cutting can always be performed smoothly along the defined straight cutting line.
- the pouch according to the present invention has good cutability and directionality of tearing, thereby preventing undesirably opening of the contents due to unsmooth opening in the opening process or preventing the contents from spilling out to outside or being present in a messy form around the opening.
- the manufacturing, sealing, cut, notch forming step of a large-area sheet paper having a cutting line is not continuous step by step continuous operation As it proceeds through one process, there is an advantage in that it is advantageous in productivity improvement and mass production.
- FIG. 1 is a perspective view of a pouch having a straight cut property of the present invention.
- Figure 2 is an enlarged cross-sectional view of the opening position of the pouch according to an embodiment of the present invention.
- Figure 3 is an enlarged cross-sectional view of the opening position of the pouch according to another embodiment of the present invention.
- Figure 4 is a perspective view of the operating state for showing the tearing process of the pouch according to the present invention.
- FIG. 5 is a process flow diagram illustrating a pouch manufacturing process according to the present invention.
- FIG. 6 is a schematic structural diagram of an apparatus for producing a sheet of pouch according to the present invention.
- 7 and 8 are a plan view and a side view of a shape processing apparatus for performing a cut groove processing on the sheet in the sheet manufacturing apparatus shown in FIG.
- the pouch is a packaging material for the contents packaging that requires long-term storage from moisture or oxygen, the front sheet and the back sheet two sheets of synthetic resin sheet A cutout formed in the opening position, having a notch 5 indicating a tear start point at the opening position, wherein a plurality of cutting grooves 40 continuous in a straight line along the opening position are spaced at regular intervals from the notch 5. It consists of a configuration having a line (4).
- the front sheet and the rear sheet has a configuration in which the surface protective layer 10 is laminated on the base film 25 including the reinforcing layer 20 and the heat adhesive resin layer 30, and the surface protective layer 10. ), The reinforcing layer 20 and the heat-adhesive resin layer 30 are mutually bonded in the form of an adhesive layer therebetween through laminating through the application of adhesive.
- the surface protective layer 10 performs a barrier function to protect the contents from moisture penetration and oxygen permeation, and the thermal adhesive resin layer 30 is for ensuring hygiene of the package contents.
- the reinforcing layer 20 imparts characteristics such as securing fracture strength and heat resistance and cold resistance when the pouch serves as a packaging material, and particularly, provides easy cutability at the time when the pouch is torn.
- the surface protective layer 10 is a polyester film (PET FILM 'PET) having excellent transparency, heat resistance, high tensile strength, excellent dimensional stability, impermeability, moisture resistance, water resistance, and chemical resistance suitable for packaging and metallization. Film is suitable), and the heat-adhesive resin layer 30 is a uniform and very hygienic film, which is a non-stretched film or polyethylene film (PE film) widely used as a material for flexible packaging such as food packaging. Can be used.
- the reinforcing layer 20 is a material made of nylon alone or suitable for providing tear direction and easy cutability in opening the pouch while excellent in heat resistance, cold resistance, and breaking strength, as in the embodiment of FIG.
- a synthetic film having aluminum thin films deposited on a nylon surface may be used as a material.
- the cutting grooves 40 may be formed of a heat-adhesive resin layer 30 on a nylon film or a nylon composite film forming the reinforcing layer 20. It is preferable to form in the base film 25 which the unstretched film which forms () is joined. Specifically, it is good to form on one surface of the reinforcing layer 20 of the base film 20 located in the direction connecting with the surface protection layer 10.
- the surface protection layer 10 If the surface protection layer 10, the reinforcing layer 20, the heat-adhesive resin layer 30 is bonded to the surface protective layer 10 by forming the cut groove 40 in the state of completing the sheet, the surface protection layer 10 This is because the film of the PET film composing the) may be damaged.
- silica (SILICA) and alumina (ALUMINA) are deposited on the film to inhibit moisture and oxygen permeation so that the contents (mainly food or medicine) can be stored for a long time, thus cutting groove 40
- an external pressure such as tension / shock such as molding is applied, the film of the deposition layer by silica (SILICA) and alumina (ALUMINA) is damaged, and as a result, water resistance and barrier property are lost, and the function as a packaging material is lost.
- the cutout groove 40 in the base film 25 for the same reason, it is preferable that at least two cutout grooves 40 are formed at regular intervals in the vertical direction. This is because the direction of the tearing force of the pouch during the cutting process is not constant, so that even if the first tear is slightly deviated from the starting cutting groove 40, the cutting pattern close to the straight line can be maintained by another adjacent cutting groove 40. , The interval of the cutting groove 40 for this is suitable about 0.1mm ⁇ 2mm.
- a plurality of cutting grooves 40 continuous in a straight line along the opening position of the pouch are formed at regular intervals to form a cutting line 4, that is, the substrate constituting the pouch, According to the characteristics of the film, even if the tear direction is irregular, easy cutability is ensured, and even if the force at the point of starting the cut acts out of the specified direction, the cut is always defined as shown in FIG. Smooth cutting along the cutting line 4 can be achieved.
- the process for manufacturing the pouch as shown in Figure 5, manufacturing the base film, applying and drying the adhesive on the surface protective layer, cut groove processing, bonding the base film and the surface protective layer, sealing a large area sheet, and the sealing treatment It consists of a six-step process, such as large area sheet cutting and notch formation.
- Step by step first, the step of manufacturing the base film 25 by bonding the reinforcing layer 20 and the heat-adhesive resin layer 30, the reinforcing layer 20 as described above, while having excellent heat resistance and cold resistance as described above
- a material made of nylon alone or a synthetic film in which aluminum thin films are deposited on the surface of nylon is used as a material
- the heat-sealing resin layer 30 is a flexible packaging material. It is widely used as a material and is made of very hygienic unstretched or polyethylene film.
- Bonding of the reinforcement layer 20 and the heat-adhesive resin layer 30 in the above process in the state in which the adhesive layer 15 is formed by applying and drying the adhesive to the reinforcement layer 20 or the heat-adhesive resin layer 30, Bonding may be implemented by laminating (LAMINATE) processing to pass the crimping roller in a state where the reinforcing layer 20 and the heat-adhesive resin layer 30 are brought back together, thereby implementing interlayer contact. If the bonding can be implemented without damaging the thermal bonding resin layer 30 can be applied without being bound to a specific bonding method.
- LAMINATE laminating
- the surface protective layer 10 for bonding to the base film 25 to form a large area sheet is printed on the surface of the contents information (logo, contents photograph, cooking method, etc.) and then adhesive is applied to the back surface thereof. Is applied and formed by hot air drying using the drying chamber 30.
- the adhesive application in the above process is continued while the back surface of the surface protective layer 10 moves in contact with the surface of the adhesive coating roller 204, which is partially exposed to the receiving portion 202 containing the adhesive. It is preferable to make an application in general, and the adhesive drying continuously passes the surface protection layer 10 through the chamber 300 having the inlet 302 and the outlet 304 and the hot air is injected therein. It is good to make it dry.
- the following is a process of forming a cutting line 4 by processing a straight cutting groove 40 at a predetermined interval on the substrate film 25 produced through the above process, in this process of the form shown in Figs.
- the cutting line 4 is continuously formed at the base film 25 which becomes the opening position of the pouch, and the cutting line 4 is formed.
- the spacing between the cutting grooves is preferably about 0.1mm ⁇ 2mm.
- reference numeral 720 denotes a winding roller in which a large-area front sheet is wound.
- Reference numeral 740 denotes a winding roller in which a large-area rear sheet is wound, and this large-area rear sheet is also manufactured in the same manner as described above.
- the front and rear two large area sheets 1 and 2 are contacted using a general heat seal 800.
- the two large-area sheets 1 and 2 are sealed in a compartment suitable for forming a pouch while being transported in a state of making a state (the hatched portion corresponds to the sealed portion in the partial enlarged view of FIG. 5).
- the pouch having the straight cut property according to the embodiment of the present invention is formed by cutting the large-area sheet which has been sealed by the partitioned size and forming the notch 5 which is the tear start point at the opening position of each pouch. It is finished.
- the pouch manufacturing apparatus used in manufacturing the pouches according to the above process will be briefly described.
- the pouch manufacturing apparatus used in manufacturing the pouch having the straight cut property according to the present embodiment is, as shown in FIG. 5, the first winding part 100 and the second winding part 400, and the adhesive coating part 200.
- the chamber 300, the shape processing apparatus 500, the laminating processing unit 600, the heat seal 800 and the cutting unit 900 is configured to include.
- Each of the first winding unit 100 and the second winding unit 400 includes a surface protection layer 10, a reinforcement layer 20, and a thermal adhesive resin layer on which contents information such as a logo, a content photograph, and a cooking method is printed.
- the base film 25 made of bonding is wound, and the adhesive coating part 200 serves to continuously apply an adhesive to the back surface protective layer 10 wound on the first winding part 100. Do this.
- the adhesive applying unit 200 may include an adhesive applying roller 204 partially exposed to the receiving unit 202 containing the adhesive, and the back surface of the surface protective layer 10 may be exposed to the outside. Application is performed continuously while moving in contact with the application roller 204 surface.
- the chamber 300 is for drying the adhesive applied to the back surface protective layer 10, and has an inlet and an outlet and has a configuration in which a hot air for drying the adhesive can be evenly sprayed throughout. . Therefore, even if the surface protective layer 10 coated with an adhesive on the back surface moves continuously along the line, drying of the dried object moved by the chamber 300 may proceed without difficulty.
- the shape processing apparatus 500 is a device for forming the cutting groove 40 which is the core of the present invention in the pouch opening position according to the present invention, as shown in Figures 7 to 8, the shape of the fine uneven pattern on the circumferential surface A shape processing roller 502 and a roller 504 rotating in engagement with the shape processing roller, and the shape processing roller 502 interlocks with the cylinder 506 and the cylinder 506. As a result, the structure can move forward and backward.
- the substrate film 25 when the substrate film 25 passes between the shape processing roller 502 and the roller 504 rotating in engagement with the shape processing roller, the substrate film may be formed by the shape processing surface of the uneven pattern on the surface of the shape processing roller 502. 25 may have a cross section of an uneven pattern and may form a cutting groove 40 continuous in the moving direction of the base film 25. At this time, in consideration of the interval between the cutting groove 40 is formed in the base film 25, the width W of the uneven pattern formed on the shape processing surface is also formed at intervals of about 0.1mm ⁇ 2mm This is suitable.
- the laminating treatment part 600 passes through the surface protection layer 10 and the base film 25 having the cutout groove 40 formed with the adhesive between the two rollers which rotate in close contact with each other, thereby excluding the air layer.
- the heat seal 800 is arranged in a compartment suitable for forming a plurality of pouches in two large area sheets, a pair of sealing bars spaced apart or connected to each other up and down (batch form not shown) Has a configured configuration.
- the cutting unit 900 includes a plurality of cutters (not shown) having an arrangement suitable for cutting the sealed large-area sheet by the horizontally and vertically divided sizes, and the notch 5 which is the starting point of tearing in each pouch. Punching to form).
- Reference numeral 650 denotes a cooling roller for cooling the large area sheet formed by the adhesion of the surface protective layer 10 and the base film 25 while passing through the laminating treatment unit 600.
- the manufacturing, sealing, cut, notch formation, etc. of a large-area sheet having a cutting line can be performed in one continuous process instead of step-by-step independent work, It is advantageous in productivity and mass production.
- first winding part 200 adhesive coating part
- 300 chamber 302, 304: chamber inlet, outlet
Abstract
Description
Claims (17)
- 습기나 산소로부터 장기적인 보존성이 요구되는 내용물 포장을 위한 포장재이며, 전면시트(1)와 후면시트(2) 2매의 합성수지시트를 기반으로 하며, 개구 위치에 찢김 개시점을 나타내는 노치(5)를 갖고, 노치(5)로부터 개구 위치를 따라 직선상으로 연속되는 다수의 절취홈(40)이 일정한 간격으로 이격 형성된 절취라인(4)을 갖는 파우치에 있어서,상기 전면시트(1) 및 후면시트(2)는, 보강층(20)과 열접착수지층(30)으로 이루어진 기재필름(25) 상에 표면보호층(10)이 적층형성된 구성을 갖고, 상기 절취홈(40)은 표면보호층(10)과 접합하는 기재필름(25)의 보강층(20) 일면에 형성되는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치.
- 제 1 항에 있어서,상기 절취홈(40)은 2개 이상이 상하방향으로 일정한 간격으로 이격 형성된 구성인 것을 특징으로 하는 직선형 절취특성을 갖는 파우치.
- 제 1 항에 있어서,상기 절취홈(40)의 간격은 0.1mm ~ 2mm 인 것을 특징으로 하는 직선형 절취특성을 갖는 파우치.
- 제 1 항에 있어서,상기 표면보호층(10), 보강층(20), 열접착수지층(30)은 순차적으로, 폴리에스터 필름(PET), 나일론 필름, 무연신 또는 PE 필름을 소재로 하는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치.
- 제 1 항에 있어서,상기 표면보호층(10), 보강층(20), 열접착수지층(30)은 순차적으로, 폴리에스터 필름(PET), 나일론 표면에 알루미늄이 증착된 합성필름, 무연신 또는 PE 필름을 소재로 하는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치.
- 제 4 항 또는 제 5 항에 있어서,상기 표면보호층(10), 보강층(20), 열접착수지층(30)은, 각 층 사이에 접착층(15)을 형성시켜 라미네이팅을 통해 접합되는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치.
- (a) 보강층과 열접착수지층으로 이루어진 기재필름을 형성하는 단계;(b) 내용물 정보가 인쇄처리된 표면보호층 이면에 접착제를 도포하고 이를 건조시키는 단계;(c) 표면보호층과 접합하게 될 기재필름의 보강층 일면에 일정한 간격으로 직선형 절취홈을 가공하여 절취라인을 형성시키는 단계;(d) 기재필름의 보강층 위에 상기 표면보호층을 접합시켜 대면적의 전면시트와 후면시트를 형성하는 단계;(e) 전, 후면 두 개의 대면적 시트를 접촉시킨 상태로 이송시키면서 일정한 구획으로 대면적 시트를 씰링하는 단계;(f) 씰링 처리된 대면적 시트를 구획된 크기별로 재단함과 동시에 각각의 파우치에 찢김 개시점이 되는 노치를 형성시키는 단계;를 포함하는 매끄러운 절취특성을 갖는 파우치 제조방법.
- 제 7 항에 있어서,상기 (b)단계에서의 접착제 도포는, 상기 표면보호층 이면이 접착제를 수용하고 있는 수용부에 일부가 노출가능하게 장착된 접착제 도포 로울러 표면에 접촉된 상태로 이동하면서 연속적으로 도포되도록 하는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조방법.
- 제 7 항에 있어서,상기 (b)단계에서의 접착제 건조는, 입구와 출구를 갖고 내부에 열풍(熱風)이 분사되는 챔버에 상기 표면보호층을 연속적으로 통과시켜 건조가 이루어지도록 하는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조방법.
- 제 7 항에 있어서,상기 (c)단계에서의 절취라인은, 상기 기재필름은 원주면에 미세한 요철패턴의 형상가공면을 형성한 형상가공 로울러 및 이와 맞물려 회전하는 로울러로 구성된 형상가공장치를 연속통과시킴으로써 형성시키는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조방법.
- 제 10 항에 있어서,상기 형상가공 로울러에 형성되는 요철패턴의 폭(W)은 0.1mm ~ 2mm 이 되도록 하는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조방법.
- 내용물 정보가 인쇄처리된 표면보호층을 권취한 제1 권취부(100);상기 제1 권취부(100)에 권취된 표면보호층 이면에 연속적으로 접착제를 도포하는 접착제 도포부(200);표면보호층 이면에 도포된 접착제 건조를 위한 챔버(30);보강층(20)과 열접착수지층(30)으로 이루어진 기재필름(25)을 권취한 제2 권취부(400);상기 기재필름(25)의 보강층(20) 일면에 일정한 간격으로 직선형 절취홈(40)을 연속적으로 가공하는 형상가공장치(500);접착제가 도포된 표면보호층과 절취홈(40)이 형성된 기재필름(25)을 라미네이팅하여 대면적 시트를 형성시키는 라미네이팅 처리부(600);접촉상태로 이송되는 2 매의 대면적 시트를 일정한 구획으로 씰링하는 히트씰(800); 및씰링 처리된 대면적 시트를 구획된 크기별로 재단함과 동시에 각각의 파우치에 찢김 개시점이 되는 노치를 형성하는 커팅부(900);를 포함하여 구성되는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조장치.
- 제 12 항에 있어서,상기 접착제 도포부(200)는, 접착제가 수용된 수용부(202)에 접착제 도포 로울러(204) 일부가 외부로 노출가능하게 회전장착된 구성인 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조장치.
- 제 12 항에 있어서,상기 챔버(30)는, 이면에 접착제가 도포된 상기 표면보호층이 수평방향으로 연속통과가능한 구성의 입구(302)와 출구(304)를 갖고, 내부에는 상기 접착제 건조를 위한 열풍이 분사하는 열풍분사노즐이 일정한 이격패턴으로 다수 설치된 구성인 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조장치.
- 제 12 항에 있어서,상기 형상가공장치(500)는, 원주면에 미세한 요철패턴의 형상가공면을 형성한 형상가공 로울러(502) 및 이와 맞물려 회전하는 로울러(504)를 포함하며, 상기 형상가공 로울러(502)는 실린더(506) 및 이 실린더(506)에 연동하는 리니어 가이드(508)로서 전, 후방으로 진퇴 가능하게 구성되는 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조장치.
- 제 15 항에 있어서,상기 형상가공 로울러(502)에 형성된 요철패턴의 폭(W)은 0.1mm ~ 2mm 인 것을 특징으로 하는 직선형 절취특성을 갖는 파우치 제조장치.
- 제 12 항에 있어서,라미네이팅 처리부(600)를 거치면서 표면보호층과 기재필름(25)의 접착으로 이루어진 대면적 시트 냉각을 위한 냉각로울러(650);를 더 포함하는 직선형 절취특성을 갖는 파우치 제조장치.
Priority Applications (4)
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MX2012007691A MX2012007691A (es) | 2010-06-08 | 2011-05-25 | Bolsita recta-dicidida, método para fabricar la misma, y dispositivo para fabricar la bolsita. |
CA2786039A CA2786039A1 (en) | 2010-06-08 | 2011-05-25 | Straight-split pouch, method for manufacturing same, and device for manufacturing the pouch |
US13/520,315 US20130008134A1 (en) | 2010-06-08 | 2011-05-25 | Straight-split pouch, method for manufacturing same, and device for manufacturing the pouch |
CN2011800062445A CN102753447A (zh) | 2010-06-08 | 2011-05-25 | 一种具有直线型剪切特性的袋子及制造方法和其袋子的制造装置 |
Applications Claiming Priority (2)
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KR1020100053977A KR101043022B1 (ko) | 2010-06-08 | 2010-06-08 | 직선형 절취특성을 갖는 파우치 및 제조방법 그리고 그 파우치 제조장치 |
KR10-2010-0053977 | 2010-06-08 |
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WO2011155717A3 WO2011155717A3 (ko) | 2012-05-03 |
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KR (1) | KR101043022B1 (ko) |
CN (1) | CN102753447A (ko) |
CA (1) | CA2786039A1 (ko) |
MX (1) | MX2012007691A (ko) |
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- 2011-05-25 MX MX2012007691A patent/MX2012007691A/es unknown
- 2011-05-25 CN CN2011800062445A patent/CN102753447A/zh active Pending
- 2011-05-25 US US13/520,315 patent/US20130008134A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
MX2012007691A (es) | 2012-10-03 |
WO2011155717A3 (ko) | 2012-05-03 |
CN102753447A (zh) | 2012-10-24 |
CA2786039A1 (en) | 2011-12-15 |
US20130008134A1 (en) | 2013-01-10 |
KR101043022B1 (ko) | 2011-06-21 |
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