JP2021001027A - Package and method of manufacturing the same - Google Patents
Package and method of manufacturing the same Download PDFInfo
- Publication number
- JP2021001027A JP2021001027A JP2020075854A JP2020075854A JP2021001027A JP 2021001027 A JP2021001027 A JP 2021001027A JP 2020075854 A JP2020075854 A JP 2020075854A JP 2020075854 A JP2020075854 A JP 2020075854A JP 2021001027 A JP2021001027 A JP 2021001027A
- Authority
- JP
- Japan
- Prior art keywords
- region
- radial direction
- film
- package
- package according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims description 47
- 239000011347 resin Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 9
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 8
- 239000002356 single layer Substances 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract description 4
- 239000005001 laminate film Substances 0.000 abstract 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 13
- 239000005033 polyvinylidene chloride Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- -1 polyethylene terephthalate Polymers 0.000 description 10
- 239000000178 monomer Substances 0.000 description 7
- 239000000654 additive Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000012760 heat stabilizer Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000010558 suspension polymerization method Methods 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 235000013580 sausages Nutrition 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
- B65D75/06—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes
- B65D75/12—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks initially folded to form tubes with the ends of the tube closed by flattening and heat-sealing
-
- 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
- B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
- B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
- B65B5/022—Machines characterised by incorporation of means for making the containers or receptacles for making bags
-
- 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
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
-
- 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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Package Closures (AREA)
Abstract
Description
本発明は、包装体及びその製造方法に関する。 The present invention relates to a package and a method for producing the same.
現在、ソーセージ等の内容物を包装するための樹脂製フィルムからなる筒状の包装体が種々提案されている。例えば、円筒状に丸めたフィルムの両縁部の内面同士を合掌状態で接合することにより、円筒状のケーシング部と、ケーシング部から径方向外側に突出して長手方向に延在するシール部と、を形成し、シール部を倒しケーシング部と一緒に溶着して接合することにより、円筒状の包装体を構成する技術が提案されている（特許文献１参照）。また、近年においては、フィルムの両縁部同士を接合して形成したシール部を特定の材料で構成することにより、易開封性とレトルト耐性との双方を実現させる技術が提案されている（特許文献２参照）。 Currently, various tubular packages made of a resin film for packaging contents such as sausages have been proposed. For example, a cylindrical casing portion and a seal portion that protrudes radially outward from the casing portion and extends in the longitudinal direction by joining the inner surfaces of both edge portions of the cylindrically rolled film in a palm-to-hand state. (See Patent Document 1), a technique has been proposed in which a cylindrical package is formed by forming a seal portion and welding and joining the seal portion together with the casing portion (see Patent Document 1). Further, in recent years, a technique has been proposed that realizes both easy opening property and retort resistance by forming a sealing portion formed by joining both edges of a film with a specific material (patented). Reference 2).
ところで、特許文献１や特許文献２に記載された技術においては、シールする部分を電極で挟み込んで電界を印加することにより当該部分を加熱して溶着する、いわゆる高周波溶着を採用する場合がある。このような高周波溶着を採用すると、シール部を切断して包装体を開封する際に、フィルムの表層部分（径方向において最も外側に位置する部分）のみが剥がれて開封失敗となる可能性があった。 By the way, in the techniques described in Patent Document 1 and Patent Document 2, a so-called high-frequency welding may be adopted in which a portion to be sealed is sandwiched between electrodes and an electric field is applied to heat and weld the portion. If such high-frequency welding is adopted, when the seal portion is cut and the package is opened, only the surface layer portion (the outermost portion in the radial direction) of the film may be peeled off, resulting in an opening failure. It was.
本発明は、かかる事情に鑑みてなされたものであり、樹脂製フィルムからなる筒状の包装体のシール部を切断して開封する際に、フィルムの表層部分が剥離して開封失敗となる可能性を低下させることを目的とする。 The present invention has been made in view of such circumstances, and when the seal portion of a tubular package made of a resin film is cut and opened, the surface layer portion of the film may peel off and the opening may fail. The purpose is to reduce sex.
前記目的を達成するため、本発明に係る包装体は、樹脂製フィルムを二枚重ねて構成した積層フィルムの第一領域と第二領域とがそれぞれ径方向外側と径方向内側に配置されて重ねられた状態でシールされてなるシール部を有する、封筒貼り形式の筒状の包装体であって、シール部は、径方向外側に配置された第一領域を構成する二枚のフィルムと、径方向内側に配置された第二領域を構成する二枚のフィルムのうち径方向外側に位置する一枚のフィルムと、が溶着されてなるものである。 In order to achieve the above object, in the package according to the present invention, the first region and the second region of the laminated film formed by laminating two resin films are arranged and stacked on the radial outer side and the radial inner side, respectively. It is an envelope-pasted type tubular package having a sealing portion that is sealed in a state, and the sealing portion includes two films forming a first region arranged radially outside and a radial inside. Of the two films constituting the second region arranged in, one film located on the outer side in the radial direction is welded together.
また、本発明に係る包装体の製造方法は、樹脂製フィルムを二枚重ねて構成した積層フィルムの第一領域と第二領域とをそれぞれ径方向外側と径方向内側に配置して重ねることにより、封筒貼り形式の筒状体を形成する第一の工程と、第一の工程で重ねた第一領域及び第二領域を、径方向外側に配置した外部電極と径方向内側に配置した内部電極とで挟んで高周波誘電加熱を実施してシールすることにより、シール部を有する包装体を形成する第二の工程と、を含み、第二の工程では、径方向外側に配置した第一領域を構成する二枚のフィルムと、径方向内側に配置した第二領域を構成する二枚のフィルムのうち径方向外側に位置する一枚のフィルムと、を溶着させることによりシール部を形成するものである。 Further, in the method for manufacturing a package according to the present invention, an envelope is formed by arranging and stacking the first region and the second region of a laminated film formed by stacking two resin films on the radial outer side and the radial inner side, respectively. The first step of forming a stick-type tubular body and the first and second regions overlapped in the first step are composed of an external electrode arranged radially outside and an internal electrode arranged radially inside. A second step of forming a package having a sealed portion by sandwiching and performing high-frequency dielectric heating to seal the package is included, and the second step constitutes a first region arranged radially outside. A seal portion is formed by welding two films and one film located on the outer side in the radial direction among the two films forming the second region arranged on the inner side in the radial direction.
かかる構成及び方法を採用すると、封筒貼り形式の筒状体の径方向外側に配置した第一領域を構成する二枚のフィルムと、この筒状体の径方向内側に配置した第二領域を構成する二枚のフィルムのうち径方向外側に位置する一枚のフィルムと、を溶着させることによりシール部を形成することができる。従って、シール部を切断して包装体を開封する際に、径方向外側に配置した第一領域を構成する二枚のフィルムのうち径方向外側に位置するフィルムが径方向内側に位置するフィルムから剥離することを防ぐことができる。この結果、開封失敗の可能性を低下させることができる。 When such a configuration and method are adopted, two films constituting the first region arranged on the radial outside of the envelope-pasted tubular body and the second region arranged on the radial inside of the tubular body are configured. A seal portion can be formed by welding one of the two films to be formed, which is located on the outer side in the radial direction. Therefore, when the seal portion is cut and the package is opened, the film located on the radial outer side of the two films constituting the first region arranged on the radial outer side starts from the film located on the radial inner side. It is possible to prevent peeling. As a result, the possibility of opening failure can be reduced.
本発明に係る包装体及びその製造方法において、樹脂製フィルムとして、１５〜２５μｍの厚さを有する単層のフィルム（例えば塩化ビニリデン系フィルム）を採用することができる。 In the package according to the present invention and the method for producing the same, a single-layer film having a thickness of 15 to 25 μm (for example, a vinylidene chloride film) can be adopted as the resin film.
本発明に係る製造方法において、第二の工程では、径方向外側に配置した第一領域と外部電極との間に、高周波誘電加熱によってシールされない介在物を介在させた状態で、高周波誘電加熱を実施することができる。この際、１０〜３００μｍの厚さを有する介在物を採用することができる。 In the manufacturing method according to the present invention, in the second step, high-frequency dielectric heating is performed in a state where inclusions that are not sealed by high-frequency dielectric heating are interposed between the first region arranged radially outside and the external electrode. Can be carried out. At this time, inclusions having a thickness of 10 to 300 μm can be adopted.
本発明に係る包装体において、積層フィルムのうち径方向外側に配置された第一領域に近い縁部の最端部から所定幅の領域を非シール部とし、この非シール部に、長手方向に所定間隔で配置された少なくとも一列の貫通孔を形成することができる。この際、縁部の最端部から４〜８ｍｍの幅の領域を非シール部とすることができ、長手方向に３〜３０ｍｍの間隔で貫通孔を配置することができる。 In the package according to the present invention, a region having a predetermined width from the end of the edge portion close to the first region arranged on the outer side in the radial direction of the laminated film is defined as a non-sealing portion, and the non-sealing portion is formed in the longitudinal direction. At least one row of through holes arranged at predetermined intervals can be formed. At this time, a region having a width of 4 to 8 mm from the end of the edge portion can be a non-sealed portion, and through holes can be arranged at intervals of 3 to 30 mm in the longitudinal direction.
本発明に係る製造方法において、第二の工程では、積層フィルムのうち径方向外側に配置した第一領域に近い縁部の最端部から所定幅の領域を非シール部とすることができる。そして、積層フィルムのうち非シール部に対応する部分に、長手方向に沿って所定間隔で配置された少なくとも一列の貫通孔を形成する第三の工程を含むことができる。この際、縁部の最端部から４〜８ｍｍの幅の領域を非シール部とすることができ、長手方向に沿って３〜３０ｍｍの間隔で貫通孔を配置することができる。 In the manufacturing method according to the present invention, in the second step, a region having a predetermined width from the end of the edge portion close to the first region arranged on the outer side in the radial direction can be used as the unsealed portion. Then, a third step of forming at least one row of through holes arranged at predetermined intervals along the longitudinal direction can be included in the portion of the laminated film corresponding to the non-sealing portion. At this time, a region having a width of 4 to 8 mm from the end end of the edge portion can be a non-sealed portion, and through holes can be arranged at intervals of 3 to 30 mm along the longitudinal direction.
本発明によれば、樹脂製フィルムからなる筒状の包装体のシール部を切断して開封する際に、フィルムの表層部分が剥離して開封失敗となる可能性を低下させることが可能となる。 According to the present invention, when the seal portion of a tubular package made of a resin film is cut and opened, the possibility that the surface layer portion of the film is peeled off and the opening fails can be reduced. ..
以下、図面を参照して、本発明の実施形態について説明する。なお、以下の実施形態はあくまでも好適な適用例であって、本発明の適用範囲がこれらに限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. The following embodiments are merely suitable application examples, and the scope of application of the present invention is not limited thereto.
まず、図１〜図３を用いて、本発明の実施形態に係る包装体１の構成について説明する。本実施形態に係る包装体１は、図１に示すように、単層の樹脂製フィルムＦを二枚重ねて構成したダブルプライの積層フィルムＰの第一領域Ｐ1と第二領域Ｐ2とがそれぞれ径方向外側と径方向内側に配置されて重ねられた状態でシールされてなるシール部１０を有する、封筒貼り形式の筒状の包装体である。なお、積層フィルムＰを構成する二枚の樹脂製フィルムＦの間には接着層は存在せず、単層の樹脂製フィルムＦ同士が単に積層された状態となっている。 First, the configuration of the package 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 3. As shown in FIG. 1, the package 1 according to the present embodiment has a first region P 1 and a second region P 2 of a double-ply laminated film P formed by stacking two single-layer resin films F, respectively. It is an envelope-pasted type tubular package having a sealing portion 10 arranged on the outer side in the radial direction and the inner side in the radial direction and sealed in a stacked state. There is no adhesive layer between the two resin films F constituting the laminated film P, and the single-layer resin films F are simply laminated.
本実施形態においては、図３等に示すように、積層フィルムＰの第一領域Ｐ1として、積層フィルムＰの一方の縁部ＰE1の最端部から若干（幅Ｗ1だけ）離隔した所定幅の領域を採用し、積層フィルムＰの第二領域Ｐ2として、積層フィルムＰの他方の縁部ＰE2の最端部から若干（幅Ｗ2だけ）離隔した所定幅の領域を採用している。すなわち、第一領域Ｐ1は、積層フィルムＰの一方の縁部ＰE1を含まない縁部近傍の領域であり、第二領域Ｐ2は、積層フィルムＰの他方の縁部ＰE2を含まない縁部近傍の領域である。 In the present embodiment, as shown in FIG. 3 and the like, the first region P 1 of the laminated film P is a predetermined region slightly (only the width W 1 ) separated from the end of one edge P E 1 of the laminated film P. A width region is adopted, and as the second region P 2 of the laminated film P, a region of a predetermined width slightly separated (only the width W 2 ) from the outermost end of the other edge portion P E 2 of the laminated film P is adopted. There is. That is, the first region P 1 is a region near the edge portion that does not include one edge portion P E 1 of the laminated film P, and the second region P 2 does not include the other edge portion P E 2 of the laminated film P. This is the area near the edge.
樹脂製フィルムＦを構成する樹脂材料としては、ポリ塩化ビニリデン系樹脂、ポリ塩化ビニル樹脂、ポリエステル系樹脂（ポリエチレンテレフタレート等）、ポリアミド系樹脂（ナイロン−６等）、ポリオレフィン系樹脂（ポリエチレン、ポリプロピレン等）等が挙げられる。これらの樹脂材料の中でも、酸素バリア性や水蒸気バリア性の観点から、ポリ塩化ビニリデン系樹脂で樹脂製フィルムＦを構成することが好ましい。 Examples of the resin material constituting the resin film F include polyvinylidene chloride resin, polyvinyl chloride resin, polyester resin (polyethylene terephthalate, etc.), polyamide resin (nylon-6, etc.), polyolefin resin (polyethylene, polypropylene, etc.). ) Etc. can be mentioned. Among these resin materials, it is preferable that the resin film F is made of polyvinylidene chloride-based resin from the viewpoint of oxygen barrier property and water vapor barrier property.
ポリ塩化ビニリデン系樹脂（以下、「ＰＶＤＣ」ということがある。）とは、塩化ビニリデンのホモ重合体でもよいが、通常、塩化ビニリデン６０〜９８質量％と、塩化ビニリデンと共重合可能な他の単量体２〜４０質量％と、の共重合体である。塩化ビニリデンと共重合可能な他の単量体としては、例えば、塩化ビニル；アクリル酸メチル、アクリル酸エチル、アクリル酸ブチル、アクリル酸ラウリル等のアクリル酸アルキルエステル（アルキル基の炭素数１〜１８）；メタクリル酸メチル、メタクリル酸ブチル、メタクリル酸ラウリル等のメタクリル酸アルキルエステル（アルキル基の炭素数１〜１８）；アクリロニトリル等のシアン化ビニル；スチレン等の芳香族ビニル；酢酸ビニル等の炭素数１〜１８の脂肪族カルボン酸のビニルエステル；炭素数１〜１８のアルキルビニルエーテル；アクリル酸、メタクリル酸、マレイン酸、フマル酸等のビニル重合性不飽和カルボン酸；マレイン酸、フマル酸、イタコン酸等のビニル重合性不飽和カルボン酸のアルキルエステル（部分エステルを含み、アルキル基の炭素数１〜１８）等が挙げられる。より好ましくは塩化ビニル、アクリル酸メチル又はアクリル酸ラウリルから選ばれる少なくとも１種である。塩化ビニリデンと共重合可能な他の単量体は、１種を単独で用いても、２種以上を組み合わせて用いてもよい。他の単量体の共重合割合は、より好ましくは３〜３５質量％、更に好ましくは３〜２５質量％、特に好ましくは４〜２２質量％の範囲である。他の単量体の共重合割合が少なすぎると溶融加工性が低下する傾向にあり、他方、他の単量体の共重合割合が大きすぎるとガスバリア性が低下する傾向にある。また、溶融加工性を向上させるために２種以上のＰＶＤＣを混合してもよい。 The polyvinylidene chloride-based resin (hereinafter, may be referred to as “PVDC”) may be a homopolymer of vinylidene chloride, but is usually 60 to 98% by mass of vinylidene chloride and other copolymerizable with vinylidene chloride. It is a copolymer of 2 to 40% by mass of the monomer. Other monomers copolymerizable with vinylidene chloride include, for example, vinyl chloride; acrylic acid alkyl esters such as methyl acrylate, ethyl acrylate, butyl acrylate, and lauryl acrylate (alkyl groups having 1 to 18 carbon atoms). ); Methacrylic acid alkyl ester such as methyl methacrylate, butyl methacrylate, lauryl methacrylate (1 to 18 carbon atoms of alkyl group); vinyl cyanide such as acrylonitrile; aromatic vinyl such as styrene; carbon number such as vinyl acetate Vinyl esters of 1-18 aliphatic carboxylic acids; Alkyl vinyl ethers with 1-18 carbon atoms; Vinyl polymerizable unsaturated carboxylic acids such as acrylic acid, methacrylic acid, maleic acid, fumaric acid; maleic acid, fumaric acid, itaconic acid Alkyl esters of vinyl polymerizable unsaturated carboxylic acids such as (including partial esters and having 1 to 18 carbon atoms in the alkyl group) and the like can be mentioned. More preferably, it is at least one selected from vinyl chloride, methyl acrylate or lauryl acrylate. As the other monomer copolymerizable with vinylidene chloride, one type may be used alone or two or more types may be used in combination. The copolymerization ratio of the other monomer is more preferably in the range of 3 to 35% by mass, further preferably 3 to 25% by mass, and particularly preferably in the range of 4 to 22% by mass. If the copolymerization ratio of the other monomer is too small, the melt processability tends to decrease, while if the copolymerization ratio of the other monomer is too large, the gas barrier property tends to decrease. Further, two or more kinds of PVDCs may be mixed in order to improve the melt processability.
ＰＶＤＣは、懸濁重合法、乳化重合法、溶液重合法等の任意の重合法により合成することができるが、粉体レジンとしてコンパウンドを形成する場合には、懸濁重合法により合成することが好ましい。このように懸濁重合法により合成した場合には、ＰＶＤＣからなる粉体レジンの粒度を調整するための粉砕工程を必要としない傾向にある。このようなＰＶＤＣからなる粉体レジンの粒度は、４０μｍ〜２ｍｍの範囲であることが好ましく、５０μｍ〜１ｍｍの範囲であることがより好ましく、６０〜７００μｍの範囲であることが更に好ましい。なお、粉体レジンの粒度は、例えば、標準篩いを用いる乾式篩い分け法により測定するものである。 PVDC can be synthesized by any polymerization method such as suspension polymerization method, emulsion polymerization method, solution polymerization method, etc. However, when a compound is formed as a powder resin, it can be synthesized by the suspension polymerization method. preferable. When synthesized by the suspension polymerization method in this way, there is a tendency that a pulverization step for adjusting the particle size of the powder resin made of PVDC is not required. The particle size of such a powder resin made of PVDC is preferably in the range of 40 μm to 2 mm, more preferably in the range of 50 μm to 1 mm, and further preferably in the range of 60 to 700 μm. The particle size of the powder resin is measured, for example, by a dry sieving method using a standard sieving method.
樹脂製フィルムＦを形成する樹脂材料、好ましくはＰＶＤＣには、必要に応じて、種々の特性や成形加工性の改良を目的として添加される熱安定剤、可塑剤、加工助剤、着色剤、紫外線吸収剤、ｐＨ調整剤、分散助剤等の各種添加剤を含有させることができる。例えば、熱安定剤としては、エポキシ化植物油、エポキシ化動物油、エポキシ化脂肪酸エステル、エポキシ樹脂プレポリマー等のエポキシ化合物；エポキシ基含有樹脂等が挙げられ、好ましくはエポキシ化植物油である。熱安定剤を使用する場合の含有量は、樹脂材料、好ましくはＰＶＤＣ１００質量部に対して、０．０５〜６質量部の範囲であることが好ましく、０．０８〜５質量部の範囲であることがより好ましく、０．１〜４質量部の範囲であることが特に好ましい。熱安定剤の含有量が小さすぎると、熱安定性を十分に改善することができず、成形加工が困難になるとともに、黒化の原因となることがある。他方、熱安定剤の含有量が大きすぎると、筒状の樹脂製フィルムのガスバリア性や耐寒性が低下したり、ブリードやフィッシュアイの原因となったりすることがある。他の添加剤の種類や添加量についても、従来、充填包装体に備えられる筒状の樹脂製フィルムにおいて、使用される各種添加剤におけると同様に選択することができる。これらの添加剤は、１種を単独で用いても、２種以上を組み合わせて用いてもよい。また、これらの添加剤は、その使用量の一部または全部をＰＶＤＣ等の樹脂材料の重合工程で単量体組成物中に含有させてもよいし、重合後にＰＶＤＣ等の樹脂材料にブレンドしてもよい。 Thermal stabilizers, plasticizers, processing aids, colorants, which are added to the resin material forming the resin film F, preferably PVDC, for the purpose of improving various properties and molding processability, if necessary. Various additives such as an ultraviolet absorber, a pH adjuster, and a dispersion aid can be contained. For example, examples of the heat stabilizer include epoxy compounds such as epoxidized vegetable oils, epoxidized animal oils, epoxidized fatty acid esters, and epoxy resin prepolymers; epoxy group-containing resins and the like, and epoxidized vegetable oils are preferable. When a heat stabilizer is used, the content is preferably in the range of 0.05 to 6 parts by mass, preferably in the range of 0.08 to 5 parts by mass with respect to 100 parts by mass of the resin material, preferably PVDC. It is more preferable, and it is particularly preferable that the range is 0.1 to 4 parts by mass. If the content of the heat stabilizer is too small, the heat stability cannot be sufficiently improved, which makes molding difficult and may cause blackening. On the other hand, if the content of the heat stabilizer is too large, the gas barrier property and cold resistance of the tubular resin film may be lowered, or bleeding or fish eyes may be caused. The types and amounts of other additives can also be selected in the same manner as in the various additives used in the tubular resin film conventionally provided in the packed package. These additives may be used alone or in combination of two or more. In addition, some or all of these additives may be contained in the monomer composition in the polymerization step of the resin material such as PVDC, or may be blended with the resin material such as PVDC after the polymerization. You may.
ＰＶＤＣには、種々の特性や成形加工性の改良を目的として、必要に応じて、ポリエチレンワックス、酸化ポリエチレンワックス、ポリエチレン（低密度ポリエチレン又は高密度ポリエチレン）、エチレン−酢酸ビニル共重合体、アクリル酸エステルの単独重合体または共重合体、メタクリル酸エステルの単独重合体又は共重合体、メタクリル酸メチル−ブタジエン−スチレン共重合体等の他の樹脂を含有させることができる。他の樹脂の性状、形状や大きさは、樹脂製フィルムＦを形成する樹脂材料との均一分散性等を考慮して、所望により適宜選択することができる。例えば、粒状、粉末状又はペレット状等の固体状でもよいし、液状又は融解状態のものでもよい。また、所望により、他の樹脂の表面を表面処理したものでもよい。 PVDC contains polyethylene wax, polyethylene oxide wax, polyethylene (low density polyethylene or high density polyethylene), ethylene-vinyl acetate copolymer, acrylic acid, if necessary, for the purpose of improving various properties and molding processability. Other resins such as ester homopolymers or copolymers, methacrylic acid ester homopolymers or copolymers, and methyl methacrylate-butadiene-styrene copolymers can be included. The properties, shape, and size of the other resin can be appropriately selected as desired in consideration of uniform dispersibility with the resin material forming the resin film F and the like. For example, it may be in the form of a solid such as granular, powder or pellet, or in a liquid or melted state. Further, if desired, the surface of another resin may be surface-treated.
樹脂製フィルムＦの大きさや厚みは、充填される内容物の大きさに応じて定められる。樹脂製フィルムＦの周長は、通常１５〜４００ｍｍ、多くの場合３０〜３００ｍｍ、広く採用されるのは４０〜２００ｍｍの範囲であり、樹脂製フィルムＦの長手方向の長さは、通常５０〜４００ｍｍ、多くの場合７０〜３００ｍｍ、広く採用されるのは８０〜２５０ｍｍの範囲である。また、樹脂製フィルムＦの厚みは、充填される内容物に応じたフィルムの強度やバリア性等を勘案して定められるが、通常１５〜３００μｍ、多くの場合１８〜２００μｍ、広く採用されるのは２０〜１５０μｍの範囲である。この範囲の中でも１５〜２５μｍの厚さに設定すると、樹脂製フィルムＦが適度な強度を有しつつ切断し易くなるためが好ましい。 The size and thickness of the resin film F are determined according to the size of the contents to be filled. The peripheral length of the resin film F is usually in the range of 15 to 400 mm, in many cases 30 to 300 mm, and widely adopted in the range of 40 to 200 mm, and the length of the resin film F in the longitudinal direction is usually 50 to 50 to. The range is 400 mm, often 70-300 mm, and widely adopted is 80-250 mm. The thickness of the resin film F is determined in consideration of the strength and barrier properties of the film according to the contents to be filled, but is usually 15 to 300 μm, and in most cases 18 to 200 μm, which is widely used. Is in the range of 20 to 150 μm. Even within this range, if the thickness is set to 15 to 25 μm, it is preferable that the resin film F has appropriate strength and is easy to cut.
シール部１０は、図１及び図３に示すように、積層フィルムＰのうち径方向外側に配置された第一領域Ｐ1を構成する二枚のフィルムＦ1A，Ｆ1Bと、積層フィルムＰのうち径方向内側に配置された第二領域Ｐ2を構成する二枚のフィルムＦ2A，Ｆ2Bのうち径方向外側に位置する一枚のフィルムＦ2Aと、が溶着されてなるものである。本実施形態においては、後述する高周波誘電加熱を実施することにより、これら３枚のフィルムＦ1A，Ｆ1B，Ｆ2Aを溶着させている。 As shown in FIGS. 1 and 3, the sealing portion 10 is formed by two films F 1A and F 1B forming the first region P 1 arranged on the outer side in the radial direction of the laminated film P, and the laminated film P. second region constituting the P 2 two films F 2A disposed among radially inward, and one film F 2A positioned radially outwardly of the F 2B, but are those formed by welding. In this embodiment, these three films F 1A , F 1B , and F 2A are welded by performing high-frequency dielectric heating described later.
積層フィルムＰのうち径方向外側に配置された第一領域Ｐ1に近い縁部ＰEの最端部から所定幅Ｗ1の領域ＰAは、非シール部２０とされている。非シール部２０には、長手方向に所定間隔ｄで配置された二列の貫通孔３０が形成されている。このように貫通孔３０が形成された非シール部２０（領域ＰA）は、シール部１０を切断する際の起点となる領域であり、ユーザの手によって引き裂かれ易くなっている。非シール部２０の幅Ｗ1は、４〜８ｍｍの範囲内で適宜設定することができ、貫通孔３０の間隔ｄは、３〜３０ｍｍの範囲内で適宜設定することができる。なお、本実施形態においては、貫通孔３０を二列形成した例を示したが、一列の貫通孔を形成してもよく、三列以上の貫通孔を形成してもよい。 A region P A of the laminated film P having a predetermined width W 1 from the end end of the edge portion P E close to the first region P 1 arranged on the outer side in the radial direction is defined as the unsealed portion 20. The non-seal portion 20 is formed with two rows of through holes 30 arranged at predetermined intervals d in the longitudinal direction. Thus the through-hole 30 is formed non-sealing portion 20 (region P A) is a region serving as a starting point for when cutting the sealing portion 10, which is easily torn by a user's hand. The width W 1 of the non-seal portion 20 can be appropriately set within the range of 4 to 8 mm, and the interval d of the through holes 30 can be appropriately set within the range of 3 to 30 mm. Although the example in which the through holes 30 are formed in two rows is shown in the present embodiment, the through holes in one row may be formed, or the through holes in three or more rows may be formed.
次に、図４等を用いて、本実施形態に係る包装体１の製造方法について説明する。 Next, a method of manufacturing the package 1 according to the present embodiment will be described with reference to FIG. 4 and the like.
まず、単層の樹脂製フィルムＦを二枚重ねて構成したダブルプライの積層フィルムＰの第一領域Ｐ1と第二領域Ｐ2とをそれぞれ径方向外側と径方向内側に配置して重ねることにより、封筒貼り形式の筒状体を形成する（第一の工程）。次いで、図４に示すように、第一の工程で重ねた第一領域Ｐ1及び第二領域Ｐ2を、径方向外側に配置した外部電極Ｅ1と径方向内側に配置した内部電極Ｅ2とで挟んで高周波誘電加熱を実施してシールすることにより、シール部１０を有する包装体１を形成する（第二の工程）。第二の工程では、積層フィルムＰのうち径方向外側に配置した第一領域Ｐ1に近い縁部ＰE1の最端部から所定幅Ｗ1の領域ＰAを非シール部２０とする。 First, the first region P 1 and the second region P 2 of the double-ply laminated film P formed by stacking two single-layer resin films F are arranged and stacked on the outer side in the radial direction and the inner side in the radial direction, respectively. Forming an envelope-pasted tubular body (first step). Then, as shown in FIG. 4, first the first region P 1 and the second region P 2 overlaid by step, internal electrodes disposed outside the electrodes E 1 and radially inwardly disposed radially outwardly E 2 A package 1 having a sealing portion 10 is formed by sandwiching it with and performing high-frequency dielectric heating to seal it (second step). In the second step, the unsealed portion 20 is a region P A having a predetermined width W 1 from the end end portion of the edge portion P E 1 close to the first region P 1 arranged on the outer side in the radial direction of the laminated film P.
第二の工程では、図４に示すように、積層フィルムＰのうち径方向外側に配置した第一領域Ｐ1と外部電極Ｅ1との間に、高周波誘電加熱によってシールされない介在物１００を介在させた状態で、高周波誘電加熱を実施する。このように第一領域Ｐ1と外部電極Ｅ1との間に介在物１００を介在させることにより、高周波誘電加熱によって最も加熱される部分（図４において最も色の濃い部分）の位置を、径方向外側にシフトさせることができる。これにより、図３に示すように、積層フィルムＰのうち径方向外側に配置した第一領域Ｐ1を構成する二枚のフィルムＦ1A，Ｆ1Bと、径方向内側に配置した第二領域Ｐ2を構成する二枚のフィルムＦ2A，Ｆ2Bのうち径方向外側に位置する一枚のフィルムＦ2Aと、を溶着させてシール部１０を形成することができる。 In the second step, as shown in FIG. 4, an inclusion 100 that is not sealed by high-frequency dielectric heating is interposed between the first region P 1 arranged radially outside the laminated film P and the external electrode E 1. In this state, high-frequency dielectric heating is performed. By interposing the inclusions 100 between the first region P 1 and the external electrode E 1 in this way, the position of the portion most heated by the high-frequency dielectric heating (the darkest portion in FIG. 4) is set in diameter. It can be shifted outward in the direction. As a result, as shown in FIG. 3, two films F 1A and F 1B forming the first region P 1 arranged on the outer side in the radial direction of the laminated film P and the second region P arranged on the inner side in the radial direction two films F 2A constituting the two, may be the one film F 2A positioned radially outwardly of the F 2B, it is welded to form a seal portion 10.
介在物１００としては、例えば１０〜３００μｍの厚さを有するテフロン（登録商標）テープを採用することができる。また、高周波誘電加熱による発熱が乏しい他の材料（例えば、ポリエチレン系、ポリプロピレン系、ポリアミド系、ポリイミド系、セルロース系、ポリエステル系、ポリアセタール系のテープ又はフィルムや、セラミック、ガラス繊維等）を介在物１００として採用することもできる。 As the inclusion 100, for example, a Teflon (registered trademark) tape having a thickness of 10 to 300 μm can be adopted. In addition, other materials (for example, polyethylene-based, polypropylene-based, polyamide-based, polyimide-based, cellulose-based, polyester-based, polyacetal-based tapes or films, ceramics, glass fibers, etc.) that generate little heat due to high-frequency dielectric heating are used as inclusions. It can also be adopted as 100.
積層フィルムＰのうち非シール部２０に対応する部分には、図２に示すように、長手方向に沿って所定間隔で配置された二列の貫通孔３０を形成しておく（第三の工程）。既に述べたように、非シール部２０の幅Ｗ1は、４〜８ｍｍの範囲内で適宜設定することができ、貫通孔３０の間隔ｄは、３〜３０ｍｍの範囲内で適宜設定することができる。第三の工程は、第一の工程よりも前に実施するようにする。 As shown in FIG. 2, two rows of through holes 30 arranged at predetermined intervals along the longitudinal direction are formed in the portion of the laminated film P corresponding to the non-sealing portion 20 (third step). ). As described above, the width W 1 of the non-seal portion 20 can be appropriately set within the range of 4 to 8 mm, and the interval d of the through holes 30 can be appropriately set within the range of 3 to 30 mm. it can. The third step should be performed before the first step.
次に、本実施形態に係る包装体１の開封方法について説明する。 Next, a method of opening the package 1 according to the present embodiment will be described.
ソーセージ等の内容物を包装した包装体１を開封する際には、ユーザは、まず、包装体１の非シール部２０を指で摘まみ、包装体１の長手方向に対して略直交する方向（幅方向）に沿って引き裂くことにより、シール部１０を切断するような力を加える。このような力が加えられると、シール部１０は幅方向に沿って切断されることとなるが、この際、第一領域Ｐ1を構成する二枚のフィルムＦ1A，Ｆ1Bのうち径方向外側に位置するフィルムＦ1Aが径方向内側に位置するフィルムＦ1Bから剥離することがなく、第一領域Ｐ1を第二領域Ｐ2から離隔させてシール状態を確実に解除することができる。この後、ユーザは、包装体１の幅方向に沿って積層フィルムＰを切断したり、包装体１の長手方向に沿ってシール部１０を切断したりすることにより、包装体１を開封する。 When opening the package 1 containing the contents such as sausage, the user first picks the unsealed portion 20 of the package 1 with a finger, and the direction is substantially orthogonal to the longitudinal direction of the package 1. By tearing along (width direction), a force that cuts the seal portion 10 is applied. When such a force is applied, the seal portion 10 is cut along the width direction. At this time, the radial direction of the two films F 1A and F 1 B constituting the first region P 1 The film F 1A located on the outer side does not peel off from the film F 1 B located on the inner side in the radial direction, and the first region P 1 can be separated from the second region P 2 to reliably release the sealed state. After that, the user opens the package 1 by cutting the laminated film P along the width direction of the package 1 or cutting the seal portion 10 along the longitudinal direction of the package 1.
以上説明した実施形態に係る包装体１においては、封筒貼り形式の筒状体の径方向外側に配置した第一領域Ｐ1を構成する二枚のフィルムＦ1A，Ｆ1Bと、この筒状体の径方向内側に配置した第二領域Ｐ2を構成する二枚のフィルムＦ2A、Ｆ2Bのうち径方向外側に位置する一枚のフィルムＦ2Aと、を溶着させることによりシール部１０を形成することができる。従って、シール部１０を切断して包装体１を開封する際に、径方向外側に配置した第一領域Ｐ1を構成する二枚のフィルムＦ1A，Ｆ1Bのうち径方向外側に位置するフィルムＦ1Aが径方向内側に位置するフィルムＦ1Bから剥離することを防ぐことができる。この結果、開封失敗の可能性を低下させることができる。 In the packaging body 1 according to the embodiment described above, the two films F 1A and F 1B constituting the first region P 1 arranged on the radially outer side of the envelope-pasted tubular body, and the tubular body. The seal portion 10 is formed by welding the two films F 2A and F 2B that constitute the second region P 2 arranged on the inner side in the radial direction and the one film F 2A located on the outer side in the radial direction. can do. Therefore, when the seal portion 10 is cut to open the package 1, the film located on the outer side in the radial direction among the two films F 1A and F 1 B constituting the first region P 1 arranged on the outer side in the radial direction. can be prevented from being peeled off from the film F 1B of F 1A is positioned radially inward. As a result, the possibility of opening failure can be reduced.
なお、以上の実施形態においては、相互に重ねられる第一領域Ｐ1及び第二領域Ｐ2として、積層フィルムＰの「縁部近傍の領域」や「縁部を含む領域」を採用した例を示したが、積層フィルムＰの縁部から比較的遠く離れた領域を第一領域Ｐ1（第二領域Ｐ2）として採用することもできる。 In the above embodiment, as the first region P 1 and the second region P 2 that are overlapped with each other, the “region near the edge” and the “region including the edge” of the laminated film P are adopted. As shown, a region relatively far from the edge of the laminated film P can also be adopted as the first region P 1 (second region P 2 ).
本発明は、以上の実施形態に限定されるものではなく、かかる実施形態に当業者が適宜設計変更を加えたものも、本発明の特徴を備えている限り、本発明の範囲に包含される。すなわち、前記実施形態が備える各要素及びその配置、材料、条件、形状、サイズ等は、例示したものに限定されるわけではなく適宜変更することができる。また、前記実施形態が備える各要素は、技術的に可能な限りにおいて組み合わせることができ、これらを組み合わせたものも本発明の特徴を含む限り本発明の範囲に包含される。 The present invention is not limited to the above embodiments, and those having a design modification appropriately made by those skilled in the art are also included in the scope of the present invention as long as they have the features of the present invention. .. That is, each element included in the embodiment and its arrangement, material, condition, shape, size, etc. are not limited to those exemplified, and can be appropriately changed. In addition, the elements included in the embodiment can be combined as much as technically possible, and the combination thereof is also included in the scope of the present invention as long as the features of the present invention are included.
１…包装体
１０…シール部
２０…非シール部
３０…貫通孔
１００…介在物
Ｆ…樹脂製フィルム
Ｆ1A・Ｆ1B…第一領域を構成する二枚のフィルム
Ｆ2A・Ｆ2B…第二領域を構成する二枚のフィルム
Ｐ…積層フィルム
Ｐ1…第一領域
Ｐ2…第二領域
ＰE1…第一領域に近い縁部
ＰA…第一領域に近い縁部の最端部から所定幅の領域
1 ... Package 10 ... Sealed part 20 ... Non-sealed part 30 ... Through hole 100 ... Inclusion F ... Resin film F 1A / F 1B ... Two films constituting the first region F 2A / F 2B ... Second Two films constituting the region P ... Laminated film P 1 ... First region P 2 ... Second region P E1 ... Edge near the first region P A ... Specified from the end of the edge near the first region Width area
Claims (14)
前記シール部は、径方向外側に配置された前記第一領域を構成する二枚のフィルムと、径方向内側に配置された前記第二領域を構成する二枚のフィルムのうち径方向外側に位置する一枚のフィルムと、が溶着されてなるものである、包装体。 An envelope-pasted type having a sealing portion in which the first region and the second region of a laminated film composed of two resin films are arranged on the outer side in the radial direction and the inner side in the radial direction and are sealed in a stacked state, respectively. It is a tubular package and
The seal portion is located on the outer side in the radial direction of the two films forming the first region arranged on the outer side in the radial direction and the two films forming the second region arranged on the inner side in the radial direction. A package that is made by welding a piece of film.
前記非シール部には、長手方向に所定間隔で配置された少なくとも一列の貫通孔が形成されている、請求項１から３の何れか一項に記載の包装体。 A region of the laminated film having a predetermined width from the end of the edge portion close to the first region arranged on the outer side in the radial direction is regarded as a non-sealing portion.
The package according to any one of claims 1 to 3, wherein at least one row of through holes arranged at predetermined intervals in the longitudinal direction is formed in the non-sealed portion.
前記第一の工程で重ねた前記第一領域及び前記第二領域を、径方向外側に配置した外部電極と径方向内側に配置した内部電極とで挟んで高周波誘電加熱を実施してシールすることにより、シール部を有する包装体を形成する第二の工程と、
を含む包装体の製造方法であって、
前記第二の工程では、径方向外側に配置した前記第一領域を構成する二枚のフィルムと、径方向内側に配置した前記第二領域を構成する二枚のフィルムのうち径方向外側に位置する一枚のフィルムと、を溶着させることにより前記シール部を形成する、包装体の製造方法。 The first step of forming an envelope-attached tubular body by arranging and stacking the first region and the second region of a laminated film composed of two resin films on the outer side in the radial direction and the inner side in the radial direction, respectively. When,
The first region and the second region overlapped in the first step are sandwiched between an external electrode arranged on the outer side in the radial direction and an internal electrode arranged on the inner side in the radial direction, and high-frequency dielectric heating is performed to seal the area. In the second step of forming a package having a sealed portion,
It is a manufacturing method of a package including
In the second step, the two films forming the first region arranged radially outside and the two films forming the second region arranged radially inside are located on the outside in the radial direction. A method for manufacturing a package, in which the seal portion is formed by welding a single film to be formed.
前記積層フィルムのうち前記非シール部に対応する部分に、長手方向に沿って所定間隔で配置された少なくとも一列の貫通孔を形成する第三の工程を含む、請求項７から１１の何れか一項に記載の包装体の製造方法。 In the second step, a region having a predetermined width from the end of the edge portion close to the first region arranged on the outer side in the radial direction of the laminated film is set as the unsealed portion.
Any one of claims 7 to 11, comprising a third step of forming at least one row of through holes arranged at predetermined intervals along the longitudinal direction in a portion of the laminated film corresponding to the non-sealing portion. The method for manufacturing a package according to the section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019115596 | 2019-06-21 | ||
| JP2019115596 | 2019-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021001027A true JP2021001027A (en) | 2021-01-07 |
| JP7341942B2 JP7341942B2 (en) | 2023-09-11 |
Family
ID=73799695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020075854A Active JP7341942B2 (en) | 2019-06-21 | 2020-04-22 | Packaging and its manufacturing method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7341942B2 (en) |
| KR (1) | KR102457846B1 (en) |
| CN (1) | CN112109981B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023032632A1 (en) * | 2021-08-30 | 2023-03-09 | 株式会社クレハ | Vinylidene chloride-based resin composition, stretched film, and filling package |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07187142A (en) * | 1993-12-28 | 1995-07-25 | Fuji Impulse Kk | Heat sealer |
| JPH092427A (en) * | 1995-06-16 | 1997-01-07 | Material Eng Tech Lab Inc | Device and method for sealing resin sheet |
| JP2011116408A (en) * | 2009-12-03 | 2011-06-16 | Asahi Kasei Chemicals Corp | Easily-unsealable sealed package |
| JP2013043656A (en) * | 2011-08-22 | 2013-03-04 | Fujimori Kogyo Co Ltd | Cylindrical sealed package and method for manufacturing the same |
| JP2013230843A (en) * | 2012-04-27 | 2013-11-14 | Asahi Kasei Chemicals Corp | Laminated film of vinylidene chloride-based resin and easily openable cylindrical container |
| JP2015164860A (en) * | 2014-03-03 | 2015-09-17 | 株式会社クレハ | Easily-openable and retort-resistant filling package |
| JP2018187814A (en) * | 2017-04-28 | 2018-11-29 | 旭化成株式会社 | Multilayer film, and cylindrical package |
| JP2019073306A (en) * | 2017-10-16 | 2019-05-16 | 旭化成株式会社 | Cylindrical packaging body |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3701307A1 (en) * | 1987-01-17 | 1988-07-28 | Hoechst Ag | MULTILAYER FILM WITH A BIAXIAL STRETCHED POLYPROPYLENE FILM |
| JPH0641312B2 (en) | 1987-11-18 | 1994-06-01 | 呉羽化学工業株式会社 | Cylindrical film package filled with processed food |
| JP3608205B2 (en) * | 1996-10-17 | 2005-01-05 | セイコーエプソン株式会社 | Semiconductor device, manufacturing method thereof, and circuit board |
| JP4211957B2 (en) * | 1998-11-06 | 2009-01-21 | 株式会社フジシールインターナショナル | Tube body and manufacturing method thereof |
| JP2002219777A (en) * | 2001-01-26 | 2002-08-06 | Nihon Tokkyo Kanri Co Ltd | Easily openable cylindrical sealed wrapper |
| JP2003112739A (en) * | 2001-10-02 | 2003-04-18 | Tg Puratekku:Kk | Multi-layered film tube and bag member |
| US8679604B2 (en) * | 2009-01-20 | 2014-03-25 | Curwood, Inc. | Peelable film and package using same |
| JP2014181076A (en) * | 2013-03-15 | 2014-09-29 | Daicel Value Coating Ltd | Slice cheese packaging film, and individual package |
| JP6243625B2 (en) * | 2013-05-08 | 2017-12-06 | グンゼ株式会社 | Heat shrinkable tubular labels and containers |
| CN205770469U (en) * | 2016-06-30 | 2016-12-07 | 浙江一景乳业股份有限公司 | A kind of aseptic filler |
| ES2884298T3 (en) * | 2017-03-09 | 2021-12-10 | Colpak Pty Ltd | Wrapping for food products |
-
2020
- 2020-04-22 JP JP2020075854A patent/JP7341942B2/en active Active
- 2020-06-12 KR KR1020200071300A patent/KR102457846B1/en active IP Right Grant
- 2020-06-17 CN CN202010552203.7A patent/CN112109981B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07187142A (en) * | 1993-12-28 | 1995-07-25 | Fuji Impulse Kk | Heat sealer |
| JPH092427A (en) * | 1995-06-16 | 1997-01-07 | Material Eng Tech Lab Inc | Device and method for sealing resin sheet |
| JP2011116408A (en) * | 2009-12-03 | 2011-06-16 | Asahi Kasei Chemicals Corp | Easily-unsealable sealed package |
| JP2013043656A (en) * | 2011-08-22 | 2013-03-04 | Fujimori Kogyo Co Ltd | Cylindrical sealed package and method for manufacturing the same |
| JP2013230843A (en) * | 2012-04-27 | 2013-11-14 | Asahi Kasei Chemicals Corp | Laminated film of vinylidene chloride-based resin and easily openable cylindrical container |
| JP2015164860A (en) * | 2014-03-03 | 2015-09-17 | 株式会社クレハ | Easily-openable and retort-resistant filling package |
| JP2018187814A (en) * | 2017-04-28 | 2018-11-29 | 旭化成株式会社 | Multilayer film, and cylindrical package |
| JP2019073306A (en) * | 2017-10-16 | 2019-05-16 | 旭化成株式会社 | Cylindrical packaging body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023032632A1 (en) * | 2021-08-30 | 2023-03-09 | 株式会社クレハ | Vinylidene chloride-based resin composition, stretched film, and filling package |
| KR20240038765A (en) | 2021-08-30 | 2024-03-25 | 가부시끼가이샤 구레하 | Vinylidene chloride-based resin compositions, stretched films and filled packaging bodies |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112109981A (en) | 2020-12-22 |
| KR102457846B1 (en) | 2022-10-21 |
| JP7341942B2 (en) | 2023-09-11 |
| CN112109981B (en) | 2022-06-24 |
| KR20200145702A (en) | 2020-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101235664B1 (en) | Packaging bag for microwave oven | |
| JP6285212B2 (en) | Filled package with easy opening and retort resistance | |
| JP3675399B2 (en) | PACKAGING BAG FOR MICROWAVE RANGE AND METHOD FOR MANUFACTURING PACKAGE BODY PACKED WITH CONTENTS | |
| JPS5981168A (en) | Multilayer pasting flexible structure for packing | |
| JP2021001027A (en) | Package and method of manufacturing the same | |
| JP2010137886A (en) | Laminate tube | |
| US20070023425A1 (en) | Packaging bag for microwave oven | |
| JP3908529B2 (en) | Microwave packaging bag | |
| JP2002249176A (en) | Packaging bag for microwave oven and manufacturing method for packaging body filling contents therein | |
| KR102093102B1 (en) | Vinylidene chloride-based resin film, filling package using same, and the preparation method | |
| JP5733809B1 (en) | Packaging materials, packaging bags, packaging containers and packages | |
| JP4268412B2 (en) | Microwave oven-compatible packaging bag | |
| JP2007331805A (en) | Chuck and heat sterilizable bag with chuck made by using the same | |
| JP2005225544A (en) | Bag for microwave oven cooking | |
| JP3898502B2 (en) | Microwave packaging bag | |
| JP2004269053A5 (en) | ||
| JP2018058330A (en) | Resealable sealant film | |
| JP2018051926A (en) | Resealable sealant film | |
| JP2001219512A (en) | Easy opening composite film | |
| JP4090723B2 (en) | Microwave packaging bag | |
| JP6751288B2 (en) | Sheet material for sealed containers | |
| WO2022168444A1 (en) | Resinous oriented film and filling packaging body using same | |
| JP7151159B2 (en) | packaging bag | |
| JP2023107383A (en) | packaging bag | |
| JPH02109873A (en) | Easy opening sealing container and its manufacture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230111 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230605 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230724 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230807 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230830 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7341942 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |