WO2021059781A1 - Sac d'emballage - Google Patents

Sac d'emballage Download PDF

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Publication number
WO2021059781A1
WO2021059781A1 PCT/JP2020/030416 JP2020030416W WO2021059781A1 WO 2021059781 A1 WO2021059781 A1 WO 2021059781A1 JP 2020030416 W JP2020030416 W JP 2020030416W WO 2021059781 A1 WO2021059781 A1 WO 2021059781A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging bag
widening
perforation
perforations
film
Prior art date
Application number
PCT/JP2020/030416
Other languages
English (en)
Japanese (ja)
Inventor
進太郎 大場
Original Assignee
大王製紙株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大王製紙株式会社 filed Critical 大王製紙株式会社
Priority to US17/612,392 priority Critical patent/US20220219876A1/en
Priority to CN202080038974.2A priority patent/CN113891843B/zh
Priority to EP20868785.5A priority patent/EP3957575A4/fr
Publication of WO2021059781A1 publication Critical patent/WO2021059781A1/fr

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Classifications

    • 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
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • 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
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/566—Hand holes or suspension apertures
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0894—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession the articles being positioned relative to one another or to the container in a special way, e.g. for facilitating dispensing, without additional support

Definitions

  • the present invention relates to a packaging bag.
  • a wrapping bag for wrapping one or more tissue is a main body for accommodating articles to be packaged and a holding provided on the upper part of the main body. It has a hand part.
  • a finger hook hole for finger hooking is provided in the handle portion, and a purchaser or the like of a film packaging tissue is housed in the packaging bag by hooking a finger on the finger hook hole.
  • the film packaging tissue can be carried around.
  • an opening forming portion for forming an opening for taking out the packaged product is provided on the upper surface or the top surface (Patent Document 1 below).
  • the opening forming portion for the toilet roll is not always suitable for film packaging tissue with different shapes and softness.
  • a film wrapping bag that is flexible but has a substantially rectangular outer shape, and is packaged together. From the viewpoint of easily maintaining the shape during group wrapping and preventing breakage during transportation, the film is made of film. It is also possible to increase the film thickness and not provide the opening forming portion.
  • the thickness of the film is increased and the opening forming portion is not provided, it naturally becomes difficult to open the package. In addition, the opened part becomes messy and looks bad, and does not give a hygienic impression. Further, it is not preferable for the user that the contents cannot be easily taken out in the packaged product.
  • the main problem of the present invention is that the packaging bag is unlikely to be erroneously opened when the packaged product is carried, the packaging bag can be easily opened and the contents can be taken out, and the unused packaged product can be simplified.
  • the purpose is to provide a packaging bag that can be kept in a packaging bag and wrapped.
  • the means for solving the above problems are as follows.
  • the first means is A main body that has front and back surfaces and both sides that connect them, and stores items to be packaged.
  • a gusset packaging bag having a grip portion formed on the top side of the main body portion by overlapping the front surface and the back surface. It has an opening forming portion on at least one surface of the front surface and the back surface of the main body portion.
  • the opening forming portion includes a base point portion formed in a region located above the position corresponding to the uppermost portion of the packaged product housed in the main body portion and below the grip portion.
  • a pair of widening perforations starting from this base point and gradually widening the separation distance in the lateral direction toward the bottom side opposite to the top side.
  • the packaging bag is characterized by having a pair of extended perforations extending along the nadir direction after being continuous with the other end of the widening perforation on the base end side. ..
  • the second means is The packaging bag according to the first means, wherein the base point portion is a range surrounded by perforations or slits.
  • the third means is The packaging bag according to the first means, wherein the connecting portion between the base point portion and the widening perforation portion is a cut portion.
  • the fourth means is The first means above, wherein the connecting portion between the widening perforation portion and the extending perforation portion is an easily dehiscence portion that is more easily dehiscenced than other portions in the widening perforation portion and the extending perforation portion. It is a packaging bag.
  • the fifth means is Packaging according to the first means, wherein the boundary between the widening perforation and the extension perforation or its vicinity is located at or near the uppermost portion of the packaged product to be stored in the main body. It is a bag.
  • the sixth means is The packaging bag according to the first means, wherein the stretched perforations are in the range of 5 to 20 mm from the side surface.
  • the packaging bag is unlikely to be erroneously opened when the packaged product is carried, the packaging bag can be easily opened and the contents can be taken out, and the unused packaged product can be easily opened.
  • FIGS. 1 to 9 are embodiments.
  • the packaging bag 14 has a front surface 46 and a back surface 46 and both side surfaces 43 and 43 connecting them, and the main body portion 44 in which the packaged product 1 is stored and the front surface 46 and the back surface 46 are overlapped with each other.
  • a gusset packaging bag 14 having a grip portion 45 formed on the top side of the main body portion 44.
  • the film-wrapped tissue 1 will be mainly described as an example of the product to be packaged, but the product to be packaged is not necessarily limited to the film-wrapped tissue.
  • a product such as a film-wrapped paper towel or the like, which is a bundle of household tissue paper wrapped in a film, can be used.
  • the main body 44 is a bag-shaped space, and is closed with the packaged product 1 enclosed by the adhesive portions 41 and 42 on the nadir side due to heat fusion or the like.
  • the gusset packaging bag 14 has a front surface 46 and a back surface 46, for example, as shown in FIGS. 2 and 3, in a portion where the side surfaces 43, 43 are folded inside the bag and flattened to be the top surface side.
  • the bottom side opening 40X of the gusset packaging bag 14 in which only the top surface side is sealed is widened, and the packaged product (film packaging tissue shoes 1, 1 ... In the illustrated form) is inserted from there, and then The bottom surface side is also sealed by an appropriate sealing means such as heat fusion to form the lower sealing portion 42.
  • the gusset packaging bag 14 has side surfaces 43, 43, which are also called gussets or gusset portions, which are portions folded in a flat state, and each surface connected to the side surface 43.
  • the second surfaces connected to the side surfaces 43 and 43 are the front surface 46 and the back surface 46.
  • the front surface 46 and the back surface 46 are relative to each other, and which surface is the front surface is not limited.
  • the grip portion 45 is a top surface that serves as a boundary on the top surface side with the main body portion 44 in which the film packaging tissue 1 to be packaged is included in order to improve portability in a state where the packaged products 1, 1 ... Are included. This is a portion located on the top surface side of the side sealing portion 41.
  • the grip portion 44 is preferably formed with a finger hook hole 47. By forming the finger hook hole 47 in the grip portion 45 in this way, the portability of the packaged product is improved.
  • the shape of the finger hook hole 47 is not limited to the illustrated form, and a known form can be adopted.
  • the melting point of the film is preferably 150 ° C. or lower.
  • the packaging film having a low melting point can be heat-sealed at a low temperature, which is preferable for sealing and forming the grip portion 45. However, if the melting point is excessively low, the packaging film may be scratched due to friction with the packaged product 1.
  • the practical lower limit is 80 ° C., as it increases the risk of sticking and puncturing.
  • the polyethylene film include a linear low density polyethylene film (LLDPE), a low density polyethylene film (LDPE), and a medium density polyethylene film (MDPE).
  • a linear low density polyethylene film layer having a density of 0.910 to 0.940 g / cm 3 and a melting point of 110 to 120 ° C. is particularly preferable in terms of heat fusion property and cost. Suitable.
  • An applied gas barrier film may be used.
  • Biomass films derived from plant materials such as sugar cane, potato (starch), and corn can also be used. It is also desirable to use a biomass film for the gusset packaging film from the viewpoint of environmental protection.
  • the thickness of the gusset packaging film constituting the gusset packaging bag 14 is, in addition to flexibility, cost, and heat-sealing property at the time of packaging, tearability that can be easily opened at the time of opening, and abrasion resistance against the enclosed object.
  • the relationship with the packaged product 1 to be included is taken into consideration. And select as appropriate.
  • the thickness and softness of the gusset packaging film are preferably 10 to 65 ⁇ m measured in accordance with JIS P 8118 (1998), and a handle ometer method in accordance with JIS L 1096 (2010) E method.
  • the softness measured based on is 5.0 to 50.0 cN.
  • the packaging bag 14 when the packaged product 1 is carried by the grip portion 45, the packaging bag 14 is unlikely to be erroneously opened, the packaged product 1 can be easily opened and the packaged product 1 can be taken out, and the unused portion. It has a characteristic opening forming portion 5 that can be easily fastened in a packaging bag to wrap the product 1 to be packaged.
  • the opening forming portion 5 is formed on at least one surface of the front surface 46 and the back surface 46 of the main body portion 44.
  • the opening forming portion 5 is a base point portion formed in a region located above the position P corresponding to the uppermost portion of the packaged product 1 housed in the main body portion 44 and below the grip portion 45.
  • 51 a pair of widening perforations 52, 52 whose separation distance gradually widens in the lateral direction from the base point 51 toward the bottom side opposite to the top side, and from the widening perforations 52, 52 to the sky. It has a pair of stretched perforations 53, 53 extending along the bottom direction.
  • the portion 50 is formed.
  • the base point portion 51 is a portion that serves as a starting point for dehiscence of the perforations 52 and 53, and for example, a small edge piece 56 that can be easily torn and picked by pressing with a human finger. It is the range surrounded by perforations and slits that are formed. Instead of tearing it by pushing it with a human finger, it may be a small edge piece cut so that it can be picked in advance.
  • the shape is not particularly limited, but is a substantially circular shape, a substantially quadrangular shape, or the like.
  • the small edge piece 56 is picked up by the index finger and the thumb and pulled to the bottom side, so that the widening perforation portion 52 and the extension perforation portion 53 are continuously performed. Can be dehiscenced and an opening can be easily formed.
  • the position of the base point portion 51 is the central portion on both sides of the back surface 46 or the front surface 46, preferably the center, and is preferably 5 to 15 mm from the lower edge of the grip portion 45, that is, the lower edge of the top surface side sealing portion 41. Since the gusset packaging film is adhered to the grip portion 45 by heat fusion or the like to increase the rigidity, the base point portion 51 is set to a range of 5 to 15 mm close to the grip portion 45, and when the operation of pushing with a finger is performed. The gusset wrapping film is pushed in without being excessively stretched, and an opening base point can be easily formed.
  • Examples of the preferable base point portion 51 include a slit in which a tie portion (uncut portion) is formed at least in a portion closest to the top surface, and a perforation, as shown in FIG.
  • the length of the cut portion and the tie portion in the case of perforation is not particularly limited, but it is desirable that the cut portion is 0.1 to 15 mm and the tie portion is 0.1 to 15 mm. Perforations are prone to continuous dehiscence.
  • the widening perforations 52, 52 are composed of a pair, and each widening perforation 52 starts from the base point 51 and is continuous with the base point 51, and they are opposite to the top side from the base point 51. It is formed so that the separation distance gradually widens in the lateral direction toward the bottom side of the sewing machine. For example, it is formed by arranging perforations so as to draw a substantially C-shape from the base point portion 51 toward the bottom surface.
  • Each widening perforation portion 52 may be a straight line or a curved line, but it is desirable that each widening perforation portion 52 is a straight line in which the perforations are likely to be continuously dehiscenced.
  • the pair of widening perforations 52 and 52 need not be arranged symmetrically with respect to the direction along the nadir direction, but the pair of widening perforations 52 and 52 are both straight lines. Moreover, it is desirable that they are arranged symmetrically with respect to the direction along the nadir direction. When the small edge piece of the base point portion 51 is picked and pulled, a force is applied symmetrically to the widening perforations 52 and 52, and the pair of widening perforations 52 and 52 are similarly likely to be continuously dehiscenced.
  • the widening perforations 52 and 52 continuously dehisce the perforations from the base point 51 to form an opening portion that widens from the top side to the bottom side in a substantially C shape.
  • the widening perforations 52 and 52 are 40 to 60 mm from the base point portion 51 to the top surface side sealing portion 41 which is the lower edge of the grip portion 45 to the bottom side and the front surface 46 or the back surface 46. It is desirable that the film extends from the boundary position E with the side surface 43 to the center side in the width direction in a range of 5 to 20 mm. With such widening perforations 52 and 52, continuous dehiscence is likely to occur.
  • the separation distance L1 between the bottom ends of the pair of widening perforations 52, 52 is, for example, a substantially straight hexahedron shape like the film packaging tissue 1 as shown in the illustrated example, and the objects to be packaged are stacked.
  • the length (width) L2 of the packaged product 1 is more than 90% and 98% or less. With an opening of this degree, the packaged product 1 can be taken out more easily.
  • the object to be packaged 1 is a slightly deformable flexible film packaging tissue, it can be easily taken out.
  • the length of the cut portion and the tie portion of the perforation in the widening perforation portion 52 is not particularly limited, but it is desirable that the cut portion is 0.1 to 15 mm and the tie portion is 0.1 to 15 mm. It becomes easier to open continuously.
  • the stretched perforations 53, 53 are formed so as to be continuous with the bottom end of the widened perforations 52, 52 and extend from there along the nadir direction. Therefore, the stretched perforations 53 and 53 are also composed of a pair like the widened perforations 52 and 52.
  • the distance between the pair of stretched perforations 53, 53 is preferably constant as shown in the figure, but widens toward the bottom side as long as it does not affect the take-out property of the packaged object. It may be made to be narrowed or narrowed. Further, the lengths of the stretched perforations 53 of the pair of stretched perforations 53 and 53 do not have to be the same.
  • the stretched perforations 53 and 53 are also arranged in a straight line in the same manner as the widened perforations 52 and 52.
  • the positions of the stretched perforations 53 and 53 are preferably located on the bottom side of the widened perforations 52 and 52, that is, in the range of 5 to 20 mm from the side surface 43.
  • the stretched perforations 53 and 53 form a wider opening, which makes it easier to take out the packaged product 1.
  • the bottom end positions of the stretched perforations 53 and 53 are not necessarily limited. However, if the stretched perforations are arranged up to the bottom of the gusset packaging bag, a wide opening is formed and the take-out property is improved, but the risk of erroneous opening during carrying or displaying increases. In addition, if an excessively wide opening is formed, there is a high possibility that an unused film packaging tissue will unintentionally come out of the opening. Therefore, the position of the bottom side of the stretched perforation portion is appropriately determined in consideration of openability and storability. Preferably, it is preferable to design so that one or two film packaging tissue can be easily taken out.
  • the packaged product 1 has a substantially straight hexahedron shape like a film packaging tissue, and in the case of stacking the products, the length L4 of the packaged product 1 in the nadir direction is set.
  • the length should be 95-110%. It becomes easy to take out the packaged product 1.
  • the specific length L3 of the stretched perforations 53 and 53 in the nadir direction is preferably 35 to 55 mm.
  • the opening forming portion 5 configured in this way easily dehisces the widening perforations 52, 52 and the extending perforations 53, 53 in order from the base point 51, and easily forms the opening 50.
  • the base point portion 51 is located in the region above the position P corresponding to the uppermost portion of the packaged product 1 housed in the main body portion 44 and below the grip portion 45, the packaged product 1 is stored. It is difficult to perform an operation of grasping and lifting the grip portion 45 when carrying the vehicle, and it is difficult for the base point portion 51 to rub against the packaged product 1 included in the grip portion 45 in such a lifted state.
  • the packaging bag 14 when the central portion in the width direction of the grip portion 45 is gripped by hand, the gusset packaging film is pulled in a direction substantially along the extending direction of the widening perforations 52, 52, so that the widening perforations 52 are opened. It is difficult to dehiscence unintentionally. As described above, in the packaging bag 14 according to the present invention, the packaging bag 14 is unlikely to be erroneously opened when the packaged product 1 is carried, and the packaging bag 14 can be easily opened and the packaged product 1 can be taken out.
  • the top side portion of the stretched perforations 53, 53 is larger than the bottom end. It comes to exist as a free lid-like edge piece 56. Therefore, for example, after taking out a part of the packaged product 1 to be included for use, the lid-like edge piece 56 is placed on the remaining unused packaged product, and further, the inside of the bag is placed from above. If a part of the packaging bag 14 on the top side of the top position of the unused packaged product 1 remaining in the bag is placed, the unused packaged product 1 can be easily fastened and wrapped in the packaging bag. Can be in a state.
  • the connecting portion 61 between the base point portion 51 and the widening perforation portion 52 is a cut portion.
  • the perforations are smoothly dehiscenced from the base point portion 51 to the widening perforation portion 52.
  • the connecting portion 62 between the widening perforations 52, 52 and the extending perforations 53, 53 is the other portion of the widening perforations 52 and the extending perforations 53. It is desirable that the dehiscence part is easier to dehiscence than. Since the widening perforation portion 52 and the extending perforation portion 53 have different extending directions, the widening perforation portion 52 and the extending perforation portion 53 and the perforation are sequentially widened from the base point portion 51. At the connecting portion 62 of the perforated portion 52 and the extended perforated portion 53, the direction of dehiscence of the perforation changes.
  • the easily dehiscence portion 62 may be, for example, a portion in which the connecting portion 62 is composed of only a cut portion or a portion in which the length of the cut portion at the perforation is made longer than that of the other portions.
  • the boundary between the widening perforation portion 52 and the extension perforation portion 53 or its vicinity is located at or near the position P corresponding to the uppermost portion of the packaged product 1 housed in the main body portion. It is desirable that the neighborhood is located.
  • the widening perforation portion 52 is unlikely to be unintentionally dehiscenced, while a wide opening is formed by the perforation portion 53 extending from the vicinity of the uppermost position P toward the bottom side. Therefore, it becomes easy to take out the packaged product 1.
  • a film packaging tissue 1 in which a bundle 3 obtained by folding and stacking a plurality of sets of tissue paper 2 is packaged by a flexible packaging film 4 is used as an object to be packaged.
  • a plurality of the film packaging tissue 1s are arranged and gusset-wrapped to form a film packaging tissue assembly package 10 (hereinafter, also referred to as an assembly package).
  • an assembly package 10 is also proposed as the present invention.
  • the film packaging tissue 1 here is not a portable one called a pocket tissue, but a film packaging tissue 1 that is used as a stationary type having a heavier mass than such a portable one. ..
  • the film packaging tissue 1 suitable as the object to be packaged 1 may be a bundle 3 that is overlap-wrapped or a pillow-wrapped product.
  • the overlap wrapping is, in particular, as shown in FIGS. 7 and 8, a wrapping form also referred to as caramel wrapping or combined wrapping, so that the bundle 3 is wrapped with a wrapping film 4 so that openings 4Z are formed at both ends in the longitudinal direction.
  • the part 4X that overlaps in the winding direction is bonded by a fusion treatment or an adhesive, and the part 4Y that extends beyond the bundle 3 is wrapped around the bundle 3 so as to be wrapped in a tubular shape.
  • the bundle 3 is folded toward the end face side, and at least the tip edges of the substantially triangular or substantially trapezoidal pieces formed at that time are overlapped and bonded by a fusion treatment or an adhesive to form a cylinder opening 4Z.
  • This is a packaging mode in which the end surface is 4A by sealing.
  • the end surface 4A has a substantially flat shape
  • the exterior made of the wrapping film 4 has a substantially straight hexahedron shape, which is particularly close to a box.
  • the end surface 4A is formed by stacking a plurality of layers of the packaging film 4 and adhering them to each other, the rigidity is high, and the shape of a substantially straight hexahedron is easily maintained without being crushed. Therefore, when the packaged product 1 is stored in the packaged bag 14 according to the present invention, the shape of the packaged bag is easily stable, the portability is excellent, and it is difficult to move unintentionally in the packaged bag 14. It is easy to exert the effect of the packaging bag according to the present invention.
  • the film packaging tissue 1 When the film packaging tissue 1 is used as the object to be packaged 1, it is desirable that the upper and bottom surfaces of the film packaging tissue 1 are butted against each other as shown in the figure as the arrangement form in the gusset packaging bag 14.
  • a plurality of film packaging tipses 1, 1 ... Are arranged so as to form a substantially straight hexahedron as a whole, and the stability and shape retention of the entire aggregate are improved, and the packaging is less likely to be collapsed or crushed by an external force. It is easier to exert the effect of the bag.
  • the softness of the gusset packaging film constituting the gusset packaging bag 14 is lower than the softness of the packaging film 4 constituting the film packaging tissue 1.
  • the gusset packaging bag 14 having the grip portion 45 on the top surface side when the grip portion 45 is held, the gusset packaging bag 14 is pulled toward the top bottom, so that the gusset packaging bag 14 is a film package to be included at that time.
  • Pressure may be applied to the gussets 1, 1 ..., but by lowering the softness of the gusset packaging film 14, the straight hexahedron shape of the included film packaging tissue 1 is less likely to be deformed, and the internal bundle 3 is pressed. It is hard to reduce the fluffy feeling.
  • the bundle 3 of tissue paper included in the film packaging tissue 1 is not particularly limited, but as shown in FIG. 9, it is desirable that it is a pop-up type.
  • an abbreviated square tissue paper 2 having a length of about 197 ⁇ 10 mm ⁇ a width of 217 ⁇ 10 mm is folded in half, and a folded piece 2B of another tissue paper 2 located above and below the folded inner side 2A is formed.
  • a plurality of tissue papers 2 are folded and laminated so as to be positioned, and when one folded piece located at the highest position is pulled upward, another adjacent folded piece 2B is directly under the folded piece 2B. However, it is dragged upward and lifted.
  • Such a bundle 3 can be manufactured by a known multi-stand type or rotary type interfolder.
  • the pop-up type bundle 3 has a pair of longitudinal side surfaces 3B in which the folded edges 2C of each tissue paper 2 are lined up, and a pair of short side surfaces 3A in which the folded edges 2C are not lined up. It has a substantially rectangular parallelepiped shape having a pair of planes (upper and lower surfaces) 3C connected to the side surface 3B.
  • the number of sets of the tissue papers 2 constituting the bundle 3 is not limited, but is generally 120 to 240 sets with 2 plies (2 sheets stacked) or 3 plies (3 sheets stacked) as one set.
  • the size of the bundle 3 is not necessarily limited, but is a bundle of 150 sets of 2-ply tissue paper, which is approximately 40 to 50 mm in height ⁇ 160 to 200 mm in the longitudinal direction (width) ⁇ 90 in the lateral direction (depth). It is about 110 mm.
  • nadir direction and the vertical direction in the present invention and the present specification are appropriately changed depending on the orientation of the packaging bag, the film packaging tissue assembly package, and the film packaging tissue, and mean an absolute direction. It's not a thing.
  • gusset packaging bag 43 ... side surface (gusset part), 44 ... main body part, 45 ... grip part, 46 ... front, back, 41 ... top side sealing part, 42 ... bottom side sealing part, 40E ... gusset Side part of gusset wrapping film in tube form, 40X ... bottom side opening, 47 ... finger hole, 5 ... opening forming part, 50 ... opening, 51 ... base point part, 52 ... widening perforation part, 53 ... stretching perforation Part, 55 ... Lid-shaped edge piece, 56 ... Small edge piece, 61 ... Connecting part between base point part and widening perforation part, 61 ...

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un sac d'emballage dont l'ouverture ne risque pas de survenir par inadvertance, à ouverture facile et permettant d'amener un article à emballer qui n'a pas été utilisé à rester simplement dans le sac d'emballage pour être placé en état emballé. Le problème est résolu par un sac d'emballage à soufflet comprenant : une surface avant ; une surface arrière ; deux surfaces latérales, reliant mutuellement la surface avant et la surface arrière ; une partie corps, dans laquelle est logé un article à emballer ; et une partie de préhension, formée sur un côté haut de la partie corps par superposition de la surface avant et de la surface arrière. La surface avant et/ou la surface arrière de la partie corps comportent une partie de formation d'ouverture. La partie de formation d'ouverture comporte une partie point de base, formée dans une région située au-dessus d'une position correspondant à une partie la plus supérieure de l'article à emballer, logé dans la partie corps et au-dessous de la partie de préhension ; une paire de parties d'élargissement de perforation, dont la distance de séparation s'élargit progressivement dans une direction de surface latérale vers une direction d'un côté inférieur opposé au côté haut à partir de la partie point de base ; et une paire de parties d'extension de perforation, s'étendant le long d'une direction de haut en bas à partir des parties d'élargissement de perforation.
PCT/JP2020/030416 2019-09-25 2020-08-07 Sac d'emballage WO2021059781A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US17/612,392 US20220219876A1 (en) 2019-09-25 2020-08-07 Packaging bag
CN202080038974.2A CN113891843B (zh) 2019-09-25 2020-08-07 包装袋
EP20868785.5A EP3957575A4 (fr) 2019-09-25 2020-08-07 Sac d'emballage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-174744 2019-09-25
JP2019174744A JP2021050026A (ja) 2019-09-25 2019-09-25 包装袋

Publications (1)

Publication Number Publication Date
WO2021059781A1 true WO2021059781A1 (fr) 2021-04-01

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Application Number Title Priority Date Filing Date
PCT/JP2020/030416 WO2021059781A1 (fr) 2019-09-25 2020-08-07 Sac d'emballage

Country Status (5)

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US (1) US20220219876A1 (fr)
EP (1) EP3957575A4 (fr)
JP (1) JP2021050026A (fr)
CN (1) CN113891843B (fr)
WO (1) WO2021059781A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
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