WO2018008956A1 - 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법 - Google Patents
인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법 Download PDFInfo
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- WO2018008956A1 WO2018008956A1 PCT/KR2017/007123 KR2017007123W WO2018008956A1 WO 2018008956 A1 WO2018008956 A1 WO 2018008956A1 KR 2017007123 W KR2017007123 W KR 2017007123W WO 2018008956 A1 WO2018008956 A1 WO 2018008956A1
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- WIPO (PCT)
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- preform
- label
- mold
- air
- dimensional
- Prior art date
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C49/2408—In-mould lining or labelling
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4823—Moulds with incorporated heating or cooling means
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/52—Moulds having decorating or printing means
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/66—Cooling by refrigerant introduced into the blown article
-
- 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2412—Lining or labelling outside the article
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2414—Linings or labels, e.g. specific geometry, multi-layered or material
- B29C2049/2425—Perforated, corrugated or embossed labels
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2431—Means for preparing or treating the label or lining, e.g. cutting, deforming, heating or applying adhesive
- B29C2049/2441—Deforming
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2431—Means for preparing or treating the label or lining, e.g. cutting, deforming, heating or applying adhesive
- B29C2049/2441—Deforming
- B29C2049/2442—Deforming while blow-moulding, e.g. the preform expansion deforms the label or lining
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/24—Lining or labelling
- B29C2049/2443—Means for feeding the lining or label into the mould, preform or parison, e.g. grippers
- B29C2049/2449—Means for feeding the lining or label into the mould, preform or parison, e.g. grippers holding the labels or linings by vacuum
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4823—Moulds with incorporated heating or cooling means
- B29C2049/4838—Moulds with incorporated heating or cooling means for heating moulds or mould parts
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C2049/4879—Moulds characterised by mould configurations
- B29C2049/4882—Mould cavity geometry
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7154—Barrels, drums, tuns, vats
- B29L2031/7156—Pressure vessels
Definitions
- the present invention relates to a method of manufacturing a pressure vessel having an in-mold label, and to a method of manufacturing a pressure vessel such that a three-dimensional shape can be formed on an outer circumferential surface of an in-mold-labeled pressure vessel through a blowing operation on a preform.
- a container capable of withstanding internal pressure to contain a fluid having internal pressure, such as a carbonated beverage, is called a pressure container.
- pre-forms are usually manufactured and additionally, containers are manufactured through a blowing operation to inject air thereto.
- the label is attached to the inside of the mold and the preform is expanded to be naturally attached to the surface of the container. This is called an in-mold labeling method.
- the present invention has been made to solve this limitation, and has at least a portion of the outer surface of the pressure vessel in three dimensions, and having an in-mold label that can attract the attention of the person viewing it by modifying the label to have a three-dimensional impression thereon It is an object of the present invention to provide a method for producing a pressure vessel.
- the label may include a substrate portion, an adhesive layer provided on an inner surface of the substrate portion and fused at a predetermined temperature or more, and a pattern, pattern, picture, letters, or numerals provided on the outer surface of the substrate portion to correspond to the protruded or recessed portion of the three-dimensional shape.
- the step of attaching the label to the inner surface of the mold is characterized in that the step of attaching the label to the mold so that the printing layer is located in accordance with the three-dimensional groove.
- the expanding of the preform may be performed by injecting air in a first pressure range, and thereafter, injecting air at a pressure in a second pressure range higher than the first pressure range.
- the first route is embodied by an air supply port which is provided to be elevated and disposed at the inlet of the preform
- the second route is embodied by a pipe of the air injection device that is provided to be elevated and inserted into the preform. It is done.
- the step of heating the mold is characterized in that the heating so that the temperature of the mold is maintained in the temperature range of 40 ⁇ 80 °C range.
- the label attached to the surface of the preform is deformed into a three-dimensional shape to fit the three-dimensional groove by the air pressure with the surface of the preform to be expanded;
- the step of inflating the preform may be disposed at the inlet of the preform and implemented by injecting air through an air supply port capable of supplying air into the preform,
- the cooling of the preform may be implemented by injecting cooling air into the preform through a pipe of the air injection device that is inserted into the preform.
- the three-dimensional shape, color, and texture may be imparted to the pressure vessel, it may be helpful to improve the advertisement promotion effect of the product using the pressure vessel.
- various three-dimensional shapes may be realized by forming various types of patterns, letters, patterns, numbers, and pictures in the mold cavity.
- a three-dimensional shape is formed with a large force through an in-mold label and a blowing method, and at the same time, the corresponding portion of the label is closely adhered to the three-dimensional portion to provide a pressure vessel that realizes aesthetics and placement accuracy.
- the mold is heated rather than cooling the mold during the blowing process for forming the container.
- the air is injected while the pipe is inserted into the preform, so that the blowing pressure distribution can be made evenly within the expanding preform.
- air for cooling can be injected, so that the container can be cooled inside the container instead of cooling outside.
- the cooling process of a container can be performed even if a metal mold is heated.
- the low latent heat of the PET to compensate for the three-dimensional shape is made solid, but by introducing a separate container cooling process it is possible to prevent the productivity of the container is lowered.
- FIG. 1 is a perspective view of a pressure vessel having an in-mold label in which three-dimensional characters are formed.
- FIG. 2 is a perspective view of the pressure vessel body part and the label separated from the pressure vessel of FIG.
- FIG. 3 is a side view of the pressure vessel of FIG.
- FIG. 4 is a plan sectional view of the pressure vessel of FIG.
- Fig. 5 is a plan sectional view with the label removed from the pressure vessel of Fig. 1;
- FIG. 6 is a perspective view of a pressure vessel with an in-mold label on which a three-dimensional illustration is formed.
- FIG. 7 is a front view of the pressure vessel of FIG.
- FIG. 8 is a side view of the pressure vessel of FIG.
- 9 to 10 show a procedure in which a pressure vessel having an in-mold label having a three-dimensional portion according to the present invention is manufactured.
- the pressure vessel 100 including the in-mold label 200 according to the present invention includes an inlet 110 and a body 120 having a larger diameter than the inlet 110. It is.
- a label 200 is attached to an outer circumferential surface of the body part 120, and a stepped part 121 is formed on the edge of the label 200 while being in-mold labeling.
- the portion that is not formed protrudes slightly out of the portion to which the label 200 is attached.
- the label 200 is disposed on the base portion 201 and the three-dimensional portion (see FIG. 2, 122) formed on the outer surface of the substrate portion 201 and formed on the outer circumferential surface of the pressure vessel 100 to meet the shape of the three-dimensional portion 122.
- a printed layer 202 is provided which protrudes or is recessed to form a three-dimensional effect.
- An adhesive layer (see Fig. 5, 203) is formed on the back side of the substrate portion 201, and the adhesive layer 203 is fused with the surface of the expanded preform (preform to form a pressure vessel) having a high surface temperature during the in-mold labeling process.
- the label 200 is attached to the pressure vessel 100 surface.
- the printing layer 202 of the label 200 is formed on the three-dimensional portion 122 formed on the surface of the body portion of the pressure vessel 100. Since it is located, the printed layer 202 is raised to the outside surface.
- the print layer 202 is a visible reflective layer or a hologram layer
- the color of the light is changed depending on the direction of the viewer's vision. There is this.
- the shaded portion is a portion treated with a hologram layer or a reflective layer among the print layers 202, and in this case, the 3D structure may be more remarkably emphasized.
- FIG. 2 shows a state in which the label 200 is detached from the body 120 of the pressure vessel 100.
- the label 200 attached to the pressure vessel 100 according to the present invention is formed in a planar two-dimensional structure rather than originally formed in a three-dimensional structure.
- a printing layer 202 is formed, and the reflective layer or the hologram layer is treated on this portion or the base portion 201 Make sure that colors, patterns, patterns, numbers, letters, and pictures are different from the surface colors.
- the original two-dimensional label 200 is deformed by the pressure generated while the three-dimensional portion 122 of the body portion 120 of the pressure vessel 100 by the in-mold labeling is changed into a three-dimensional structure.
- the three-dimensional portion 122 is formed on the surface of the body portion 120 of the pressure vessel 100, the three-dimensional portion 122 is protruded or recessed outward than the other surface of the body portion 122 and the other surface The boundary becomes clear.
- the boundary of the three-dimensional portion 122 and the boundary of the printed layer 202 of the label 200 are disposed at the same or substantially similar position, so that the outline of the three-dimensional portion 122 is printed on the printed layer 202 of the label 200. To be revealed as is.
- the line visible on the border of the point to which the label 200 is to be attached represents the stepped portion 121
- the stepped portion 121 is a border between the portion that is labeled and the unlabeled portion in the in-mold labeling process Form.
- the three-dimensional portion 122 and the printing layer 202 covering the three-dimensional portion 122 are directed outward. It will appear raised, which causes significant visual contour differences with surfaces without the solid portion 122.
- the three-dimensional portion 122 formed in the pressure vessel 100 is formed to protrude outward from other portions, and is formed to be stronger than other portions.
- the three-dimensional portion 122 is formed to protrude to a different degree, this portion may form the letters, numbers, pictures, shapes, patterns, patterns, etc. can attract the attention of those looking at them.
- the label 200 is attached to the three-dimensional portion 122, the print layer 202 is matched to the surface of the label 200, and protruded by the three-dimensional portion 122, so that not only the shape but also the color It has the advantage of attracting more attention through reflectance and hologram.
- the boundary surface of the printed layer 202 preferably corresponds to the boundary surface of the three-dimensional portion 122.
- the three-dimensional portion 122 can be formed in the pressure vessel 100, because the three-dimensional groove (Fig. 9, 322) that is exactly matched to the three-dimensional portion 122 is formed inside the mold used for the blowing operation.
- the print layer 202 of the label 200 should be positioned to exactly cover this three-dimensional groove 322.
- FIG. 5 shows a state in which the three-dimensional container 100 and the label 200 are separated.
- a portion corresponding to the print layer 202 of the label 200 is formed by thermal deformation and physical deformation.
- the three-dimensional shape is modified to match the shape of the three-dimensional portion 122 of the pressure vessel 100.
- the label 200 originally forms a plane as a two-dimensional structure, the flat printing layer 202 on the outer surface of the base portion 201, the adhesive layer on the inner surface of the base portion 201 203 is formed.
- FIG 6 to 8 show that the figure (eg, dragon shape) is expressed in three-dimensional form on the pressure vessel (10).
- the original label is printed in two-dimensional planar form.
- the preform is expanded by air injection into a dragon-shaped three-dimensional groove.
- the expansion of the surface of the moving preform forms a three-dimensional groove-shaped solid portion on the surface of the container.
- the printed layer 1202 having a dragon-shaped drawing can be converted into a three-dimensional form with a precise three-dimensional effect.
- 9 (a) to 9 (d) illustrate a process of manufacturing a pressure vessel having an in-mold label according to the present invention.
- the molds 310 and 320 for producing the shape of the pressure vessel 100 are spaced apart from each other.
- a three-dimensional groove 322 for forming a three-dimensional portion is formed in the cavity inner surface of any one of the molds 320.
- adsorption flow paths 311 and 321 for vacuum adsorption of the label 200 are formed.
- the label 200 is moved to the label arms 4001 vertical arm 4001 on the molds 310 and 320 to move the label 200 into the molds 310 and 320.
- the vertical arm 401 of the label supply device 400 is provided with a pipe 403 which is elastically movable in the horizontal direction (or moves in a telescopic multistage manner).
- the pipe 403 also has a vacuum suction force such that the label 200 is attached to the pipe 403.
- the boundary surface of the three-dimensional groove 322 and the boundary surface of the printing layer (see Fig. 2, 202) of the label 200 is preferably located to match.
- the label 200 Since the label 200 is a two-dimensional plane, the label 200 does not enter the inner surface of the three-dimensional groove 322 to cover the three-dimensional groove 322.
- the preform 700 enters between the opened molds 310 and 320 in a state in which the preform 700 is disposed upside down on the lip plate 600.
- the preform 700 may be a preform such as PE or PET, but is preferably composed of a PET preform.
- the bottom forming portion 500 for forming the bottom surface of the pressure vessel 100 is disposed on the upper portion of the mold (310, 320).
- the molds 310 and 320 are closed, and the bottom portion 500 also seals the upper portions of the molds 310 and 320.
- the air supply port 920 of the air injection device enters the lower part of the lip plate 600, and is disposed at the inlet side of the preform 700, After completion of the vessel expansion, the pipe 800 of the air injection device for supplying air for cooling the vessel enters the lower portion of the lip plate 600 and enters the preform 700.
- the air supply port 920 of the air injection device is disposed on the upper portion of the body portion 900, the flow path through which air can move is provided in the body portion 900 is in communication with the air supply port 920, the body portion (
- the communication hole 910 is provided on the outside to communicate with the flow path.
- the pipe 800 of the air injection device is arranged to penetrate the air supply port 920 in the vertical direction.
- Pipe 800 of the air injection device is provided to enable the up or down movement by a separate actuator (not shown), the rising or falling speed is also adjustable.
- a plurality of discharge holes 801 through which air can be discharged are formed on the outer circumferential surface thereof.
- the preform 700 expands to form a shape of the inner surface of the cavity of the molds 310 and 320 that are sealed. Is deformed to fit.
- the air supply port 920 is raised to be disposed at the inlet side of the preform 700.
- the pipe 800 of the air injection device also rises and is inserted into the inlet of the preform 700.
- Air is injected as indicated by the A while rising in the state, the air flows into the communication hole 910, moves along the inside of the body portion 900, and is discharged from the air supply port 920 to be inside the preform 700 Inflow to expand the preform 700.
- Air exiting the air supply port 920 enters the space between the inlet of the preform 700 and the pipe 800.
- the injected air is preferably supplied at room temperature or in a heated state.
- the pressure of the air injected in the vessel expansion process is to be within the first pressure range (eg, 1.5 ⁇ 2.0 MPa). This is the pressure range in which the preform 700 expands at an appropriate rate but does not tear or damage its surface.
- air is injected through the air supply port 920, and the preform 700 expands and expands through the blowing, thereby rising upward to the pipe 800 of the air supply device.
- the upper end of the air supply pipe 800 may help to expand and expand by pushing up the inner surface of the preform 700.
- the preform 700 is molded in the shape of the container 100 to match the inner surface shape of the mold as shown in FIG. 10 (b).
- the three-dimensional groove 322 is formed in the mold 320, the three-dimensional portion (Figs. 2, 122) may be formed in the container in accordance with the shape of the three-dimensional groove 322.
- the surface portion presses the label 200 covering the three-dimensional groove 322 and presses the label 200 to the three-dimensional groove 322. Deform to fit the shape.
- the label 200 attached to the inner surfaces of the molds 310 and 320 is attached to the surface of the container in the process of forming the container.
- the adhesive layer 203 is formed on the inner surface of the label 200, and the adhesive layer 203 may be melted and adhered in an atmosphere of a predetermined temperature (eg, 50 ° C.) or more, The surface 200 of the hot preform 700 and the temperature of the molds 310 and 320 melt and adhere to the surface of the preform 700 to firmly fix the label 200 to the surface of the pressure vessel 100.
- a predetermined temperature eg, 50 ° C.
- the three-dimensional portion (see Fig. 2, 122) is formed on the surface of the pressure vessel by the three-dimensional groove 322, the three-dimensional portion 122 is covered by the label 200 to be in shape with the label 200 Therefore, a visual three-dimensional feature can be given to the pressure vessel.
- the preform is in close contact with the molds 310 and 320 to be deformed and shaped into a container shape, and the air is injected into the container at a pressure having a second pressure range higher than the first pressure range (marked B). . Only the range of pressure is increased and the route through which air moves is the same as the first route.
- the temperature of the injected air is maintained at room temperature or in a heated state (eg, 40 to 90 ° C).
- the second pressure range is preferably a pressure range higher than the first pressure range (eg, 1.5 to 2.0 MPa (15 to 20 bar)) (eg, 2.5 to 4.0 MPa (25 to 40 bar)).
- the pressure range may be changed without being limited only to the examples.
- the air is introduced into the vessel 100 through the pipe 800 of the air injector to cool the vessel 100, and then exits into the space between the inlet of the vessel and the pipe 800 of the air injector.
- This route is defined as the second route, denoted C.
- the container shrinks due to the difference between the atmospheric temperature and the temperature of the container, and thus, a defect such as deformation and deviation of the container may occur, and the label may fall from the container.
- the cooling air may be supplied to the inside of the molded container and discharged to maximize the productivity of the container.
- the injection pressure of the cooling air is preferably 1.5 to 4.0 Mpa (15 to 40 bar), but the present invention is not limited thereto.
- the temperature of the air may be room temperature air or cooler air.
- the surface temperature of the molds 310 and 320 is 40 to 80 so that the adhesive layer 202 can be easily fused so that the label 200 is firmly attached to the surface of the pressure vessel 100. It is preferable to keep it at °C.
- the heating is continuously performed as indicated by T in the molds 310 and 320 shown in FIGS. 9 and 10.
- this temperature can be adjusted according to the situation outside the above temperature range.
- the material constituting the pressure vessel of the present invention is a plastic resin, particularly preferably a PET material suitable for pressure vessels.
- the surface temperature is about 90 ⁇ 100 °C
- the surface latent heat is not high.
- the surface latent heat is remarkably small compared to the surface temperature of 180 ⁇ 200 °C.
- the latent heat is small, so that only the latent heat of the PET preform is insufficient to make the labeling completely solid.
- the present invention by introducing a step of heating the mold rather than cooling the molds 310. and 320, the low latent heat of the PET preform is compensated for, and the label is formed on the surface of the container and the surface of the container. It sticks well and the attachment state was firm.
- the container may be cooled and then exit between the container inlet and the pipe 800.
- 11 is a flow chart summarizing the process of manufacturing a container labeled with a three-dimensional shape according to the present invention.
- the label is attached to the mold inner surface by using a label supply device on the mold inner surface in the state in which the mold is opened (S1103).
- the mold is provided with suction flow paths (see FIGS. 9 and 10, 311 and 321), and the label may be attached to the mold inner surface by a vacuum suction pressure.
- the preform (preferably PET preform) 700 is disposed in the space between the opened molds (S1104).
- the preform 700 is supported by the lip plate 600 and positioned in the lower region of the space between the molds 310 and 320.
- the molds 310 and 320 are closed as shown in Fig. 9 (c) (S1105), and as shown in Fig. 9 (d), the air supply port 920 is raised to be inserted into the preform 700. Injected with the heated air to the first pressure range (S1106).
- the preform is expanded and deformed into a container shape, and furthermore, a three-dimensional shape is formed in the container to conform to the shape of the three-dimensional groove 322 provided in the mold 320, and the label 200 is in-mold. is attached to the container surface in a labeling manner.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Ceramic Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims (8)
- 용기의 표면에 형성할 입체형상에 대응되는 입체홈이 형성되는 금형을 가열하는 단계와;금형을 개방하는 단계와;금형 내면에 라벨을 부착하되, 라벨의 적어도 일부가 상기 입체홈을 덮도록 라벨을 금형 내면에 부착하는 단계와;금형의 캐비티 내부에 용기의 프리폼을 위치시키는 단계와;금형을 폐쇄하고, 제1루트를 통해서 공기를 소정범위의 압력으로 프리폼 내부에 주입시켜서 프리폼을 팽창시키는 단계와;팽창된 프리폼과 라벨이 상호 부착되면서, 프리폼의 표면에 부착된 라벨이 팽창되는 프리폼의 표면과 함께 공기 압력에 의하여 입체홈에 맞게 입체감 있는 형상으로 변형되는 단계와;팽창되어 용기 형태로 변형된 프리폼 내부에 제2루트를 통해서 프리폼 내부에 냉각용 공기를 주입하는 단계와;금형끼리 이격시키고, 입체감 있는 형상 및 이에 맞게 변형된 라벨이 부착된 용기를 금형에서 분리하는 단계를 포함하는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 제1항에 있어서,상기 라벨은 기재부와, 기재부 내면에 마련되어 소정 온도 이상에서 융착되는 접착층과, 기재부 외면에 마련되어 상기 입체 형상의 돌출되거나 리세스 처리된 부분에 대응되는 문양이나 패턴 또는 그림 또는 글자 또는 숫자가 인쇄된 인쇄층을 포함하되,라벨을 금형 내면에 부착하는 단계는인쇄층이 입체홈에 맞게 위치하도록 라벨을 금형에 부착하는 단계인 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 제1항에 있어서,프리폼을 팽창시키는 단계는 제1압력범위로 공기를 주입하여 이루어지되, 그 이후에, 제1압력범위보다 높은 제2압력 범위로 압력으로 공기를 주입하는 단계를 더 포함하는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 제1항에 있어서,제1루트는 승강 가능하게 마련되며 프리폼의 입구에 배치가능한 공기 공급 포트에 의하여 구현되고,제2루트는 승강 가능하게 마련되며 프리폼 내부에 삽입될 수 있는 공기 주입 장치의 파이프에 의하여 구현되는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 제1항에 있어서,금형을 가열하는 단계는 금형의 온도가 40~80℃ 범위의 온도 범위내로 유지되도록 가열하는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 용기의 표면에 형성할 입체형상에 대응되는 입체홈이 형성되는 금형을 가열하는 단계와;금형을 개방하는 단계와;금형 내면에 라벨을 부착하되, 라벨의 적어도 일부가 상기 입체홈을 덮도록 라벨을 금형 내면에 부착하는 단계와;금형의 캐비티 내부에 용기의 프리폼을 위치시키는 단계와;금형을 폐쇄하고, 금형 외부에 위치하는 공기 주입 장치를 이용하여 프리폼에 소정 범위의 압력으로 공기를 주입하여 프리폼을 팽창시키는 단계와;팽창된 프리폼과 라벨이 상호 부착되면서, 프리폼의 표면에 부착된 라벨이 팽창되는 프리폼의 표면과 함께 공기 압력에 의하여 입체홈에 맞게 입체감 있는 형상으로 변형되는 단계와;팽창된 프리폼에 의하여 형성된 용기 내부에 냉각용 공기를 주입하는 단계와,금형끼리 이격시키고, 입체감 있는 형상 및 이에 맞게 변형된 라벨이 부착된 용기를 금형에서 분리하는 단계를 포함하는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 제6항에 있어서,프리폼을 팽창시키는 단계는 프리폼 입구에 배치될 수 있으며 프리폼 내부로 공기를 공급할 수 있는 공기 공급 포트를 통하여 공기가 주입되어 구현되고,프리폼을 냉각시키는 단계는 프리폼 내부에 삽입가능하게 마련되는 공기 주입 장치의 파이프를 통하여 냉각용 공기를 프리폼 내부에 주입하여 구현되는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
- 제6항에 있어서,프리폼을 팽창시키는 단계는;제1압력범위로 공기를 주입하는 단계와;제1압력범위로 공기 주입이 완료된 이후에, 제1압력범위보다 높은 제2압력 범위로 압력으로 공기를 주입하는 단계를 더 포함하는 것을 특징으로 하는 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법.
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JP2018542099A JP6684916B2 (ja) | 2016-07-04 | 2017-07-04 | インモールドラベル及び立体形状を有する圧力容器の製造方法 |
MX2018003888A MX2018003888A (es) | 2016-07-04 | 2017-07-04 | Metodo de fabricacion de un contenedor a presion que incluye etiquetado en el molde y una porcion tridimensional. |
RU2018109567A RU2730527C2 (ru) | 2016-07-04 | 2017-07-04 | Способ изготовления емкости со стереоскопическим эффектом и этикеткой, нанесенной путем деформации |
EP17824512.2A EP3366452B1 (en) | 2016-07-04 | 2017-07-04 | Method for manufacturing pressure vessel having in-mold label and stereoscopic shape |
AU2017293720A AU2017293720B2 (en) | 2016-07-04 | 2017-07-04 | Method for manufacturing pressure vessel having in-mold label and stereoscopic shape |
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KR10-2016-0084012 | 2016-07-04 | ||
KR1020160084012A KR101716092B1 (ko) | 2016-07-04 | 2016-07-04 | 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법 |
KR1020170028934A KR101789008B1 (ko) | 2017-03-07 | 2017-03-07 | 인몰드 라벨 및 입체 형상을 구비하는 압력 용기의 제조 방법 |
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Also Published As
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EP3366452B1 (en) | 2020-10-28 |
JP2019501806A (ja) | 2019-01-24 |
EP3366452A4 (en) | 2019-01-16 |
CN107571480A (zh) | 2018-01-12 |
EP3366452A1 (en) | 2018-08-29 |
MX2018003888A (es) | 2018-06-22 |
US20180001540A1 (en) | 2018-01-04 |
JP6684916B2 (ja) | 2020-04-22 |
AU2017293720B2 (en) | 2020-02-06 |
US10688708B2 (en) | 2020-06-23 |
RU2018109567A3 (ko) | 2020-08-04 |
CN107571480B (zh) | 2020-11-06 |
RU2730527C2 (ru) | 2020-08-24 |
AU2017293720A1 (en) | 2018-05-24 |
RU2018109567A (ru) | 2020-08-04 |
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