WO2016056231A1 - Method for forming tubular body using paper sheet material - Google Patents

Method for forming tubular body using paper sheet material Download PDF

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Publication number
WO2016056231A1
WO2016056231A1 PCT/JP2015/005088 JP2015005088W WO2016056231A1 WO 2016056231 A1 WO2016056231 A1 WO 2016056231A1 JP 2015005088 W JP2015005088 W JP 2015005088W WO 2016056231 A1 WO2016056231 A1 WO 2016056231A1
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WO
WIPO (PCT)
Prior art keywords
side edge
paper sheet
sheet material
adhesive piece
edge portion
Prior art date
Application number
PCT/JP2015/005088
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French (fr)
Japanese (ja)
Inventor
昭平 森
Original Assignee
昭平 森
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Application filed by 昭平 森 filed Critical 昭平 森
Publication of WO2016056231A1 publication Critical patent/WO2016056231A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/62—Uniting opposed surfaces or edges; Taping by adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing

Definitions

  • the present invention relates to a paper in which an adhesive piece is connected to one side edge portion of both side edge portions of one paper sheet material, and the adhesive piece and the other side edge portion are overlapped and bonded to form a cylinder.
  • the present invention relates to a method for forming a cylindrical body using a sheet material.
  • boxes A lot of various types of boxes and containers assembled from a single sheet of paper are made. Many of these boxes, containers, and the like (hereinafter simply referred to as “boxes”) form a main body such as a cylindrical box by bonding both side edges of a panel constituting the main body of the box. In bonding the side edges of the panel, generally, a glue margin piece is connected to one side edge portion of the panel, and this glue margin piece is adhered to the other side edge portion by glue.
  • the main body of the box or the like is formed in a cylindrical shape by adhering the glue margin piece connected to one side edge of the panel constituting the main body of the box or the like to the other side edge.
  • the binding member described in Patent Documents 1 and 2 is to be adhered, With respect to the overlapping portion of the side piece and the other side edge portion, one binding member of the pair of binding members is disposed on the outer side of the overlapping portion, and one binding member is disposed on the inner side of the overlapping portion so as to face the side, and the overlapping portion And sandwiching them by applying pressure from the overlapping direction.
  • the outside of the overlapped portion has a sufficient space for arranging the binding member, but the inside of the overlapped portion is inside the main body formed in a cylindrical shape, so that the arrangement space for the binding member is narrow and the arrangement is difficult.
  • the binding members when a box or the like is small, it is particularly difficult to arrange the binding members inside the overlapping portion.
  • the structure of the casing that supports the binding member placed inside the overlapped portion is restricted, which is difficult to implement. .
  • the invention according to claim 1 is characterized in that the side edges of the paper sheet material are bonded to each other by superimposing an adhesive piece connected to one side edge on the other side edge.
  • the overlapping portions are overlapped with each other, and the overlapping portions are sandwiched between a pair of binding members having teeth portions that can be engaged with each other on the opposite surface, and the overlapping portions are compressed by applying pressure from the overlapping direction.
  • the adhesive piece and the other side edge portion are bonded with a strong bonding force, and the one side edge portion is Wherein as not to cause the adhesive strip or the one side edge portion avidity and the other side edge, characterized by bonding only the adhesive strip and the other side edge.
  • the invention according to claim 2 is characterized in that the paper sheet material according to claim 1 is composed of a layer having a long fiber on the front surface and a short fiber on the back surface.
  • the other side edge portion and the facing surface of the adhesive piece Moisture is supplied to at least one of the surfaces to absorb moisture.
  • a fourth aspect of the present invention is the paper sheet material according to any one of the first to third aspects, wherein a water-resistant, oil-resistant or peelable liquid or paint is applied to the back surface. It is characterized by being.
  • a folded piece that is folded back inward from the side edge portion is connected to one side edge portion, and this is used as the adhesive piece,
  • the one side edge, the adhesive piece connected and folded to the one side edge, and the other edge, and the adhesive piece is either on the front or back side of the other side edge.
  • the overlapping portions are overlapped with each other, and the overlapping portions are sandwiched between a pair of binding members having teeth portions that can be engaged with each other on the opposite surface, and the overlapping portions are compressed by applying pressure from the overlapping direction.
  • the bonding piece and the other side edge portion are bonded with a strong bonding force, and the one side edge portion and the bonding piece or the one side edge portion and the other side edge portion generate a bonding force. So that only the adhesive piece and the other side edge are bonded.
  • the overlapping portion is sandwiched between the binding members, and the overlapping portion is compressed by applying pressure from the overlapping direction to compress the overlapping portion, the adhesive piece and the other side edge portion are compressed and joined by the engagement of the tooth portion.
  • the one side edge and the adhesive piece or the one side edge and the other side edge are not bonded, and the overlapping portion is sandwiched between binding members, and pressure is applied from the overlapping direction.
  • the paper sheet material compressed by compressing the overlapping portion When the paper sheet material compressed by compressing the overlapping portion is spread out, the one side edge portion and the adhesive piece or the one side edge portion and the other side edge portion are easily separated from each other. It can be formed into a cylindrical body similar to a cylindrical body formed by bonding the paste margin piece connected to the side edge portion and the other side edge portion with glue. Further, the side edge portions of the paper sheet material are compressed and bonded by sandwiching the overlapping portion between the pair of binding members and applying pressure from the overlapping direction so that the pair of binding members are overlapped. Can be easily bonded with a simple configuration regardless of the size of the formed cylinder, and no glue is used for bonding, further simplifying the work process. The cost can be reduced accordingly.
  • the paper sheet material according to claim 1 is composed of a layer of long fibers on the front surface and short fibers on the back surface. Therefore, the overlapping portion obtained by superimposing the one side edge portion, the adhesive piece, and the other side edge portion is disposed on a surface of the overlapping portion facing the adhesive piece and the other side edge portion.
  • one side is a long fiber layer and the other side is a short fiber layer, and the one side edge and the adhesive piece or the one side edge and the other side edge are formed. In the facing surface, both are short fiber layers.
  • the fibers on the opposing surfaces of the adhesive piece and the other side edge portion are loosened by the pressure, and the adhesive piece And the long fibers on any one of the opposing surfaces of the other side edge are intertwined with the short fibers on the other surface and bonded with a strong binding force, while the one side edge and the adhesive piece or the The fibers on the facing surfaces of one side edge and the other side edge are loosened, but since both are short fibers, the entanglement is weak, and a strong binding force cannot be obtained and the fibers do not bond.
  • the one side edge portion and the adhesive piece or the one is A cylinder similar to a cylinder formed by bonding the glue margin piece connected to one side edge part and the other side edge part with glue, easily separating the side edge part from the other side edge part. It can be formed into a shape.
  • the fibers on the moisture absorbing surface of at least one of the other side edge and the opposing surface of the adhesive piece are easily loosened, and the adhesive piece and the The loose fibers on the opposing surface of the other side edge are entangled and bonded with a strong binding force, while the one side edge and the adhesive piece or the one side edge and the other side edge
  • the fibers on the opposite side are not easily unraveled, weakly entangled, and strongly bonded It does not bind not be obtained.
  • the one side edge portion and the adhesive piece or the one is A cylinder similar to a cylinder formed by bonding the glue margin piece connected to one side edge part and the other side edge part with glue, easily separating the side edge part from the other side edge part. It can be formed into a shape.
  • the paper sheet material is composed of a layer having a long fiber on the front surface and a short fiber on the back surface, the long fiber on one surface of the facing surface of the adhesive piece and the other side edge portion.
  • the paper sheet material according to claim 1 is a liquid or paint having water resistance, oil resistance or peelability on the back surface. Is applied to the one side edge portion, and a folded piece folded back from the side edge portion to the inside is used as the adhesive piece, and the one side edge portion, the adhesive piece, and the other side edge portion are connected.
  • the overlapped portion that is overlapped with the side edge is a liquid or paint that is water-resistant, oil-resistant, or peelable on one surface of the overlapped portion on the opposing surface of the adhesive piece and the other edge.
  • the other surface is a coated surface, and on the opposing surface of the one side edge and the adhesive piece or the one side edge and the other side edge, Apply water-resistant, oil-resistant or peelable liquid or paint The surface. Therefore, when the overlapped portion is sandwiched between a pair of binding members and compressed by applying pressure from the overlapped direction, the fibers on the facing surfaces of the adhesive piece and the other side edge portion are loosened by the pressure, water resistance, The fiber on the surface coated with oil-resistant or peelable liquid or paint is weakly entangled, but the fiber on the surface not coated with water-resistant, oil-resistant or peelable liquid or paint covers this, Water, oil-resistant or peelable liquid or non-painted surface fiber and water-resistant, oil-resistant or peelable liquid or paint coated surface fiber entangled and bonded with strong bond strength, On the other hand, the opposing surfaces of the one side edge and the adhesive piece are all surfaces coated with water-resistant, oil-resistant or peelable liquid or paint, so that the fibers are weakly entangled.
  • the one side edge portion and the adhesive piece or the one is A cylinder similar to a cylinder formed by bonding the glue margin piece connected to one side edge part and the other side edge part with glue, easily separating the side edge part from the other side edge part. Can be formed.
  • the paper sheet material is composed of a layer having a long fiber on the front surface and a short fiber on the back surface, the long fiber on one surface of the facing surface of the adhesive piece and the other side edge portion.
  • FIG. 1 It is an expanded view of the cylindrical body formed in this example which shows an example of the process which implements the formation method of the cylindrical body using the paper sheet raw material which concerns on this invention. It is a perspective view which shows the state which folded up from the expanded view shown in FIG. 1, and overlapped the both-sides edge part. It is a perspective view which shows the other example of the state which folded up from the expanded view shown in FIG. It is explanatory drawing which shows the state which pressurizes and adhere
  • FIG. 1 is a development view showing an example of a cylindrical body formed by the method for forming a cylindrical body using a paper sheet material according to the present invention
  • FIG. 2 is folded from the development view shown in FIG.
  • FIG. 3 is a perspective view showing another example of a state in which both side edges are overlapped and folded from the developed view shown in FIG. 1, and
  • FIG. 4 is an overlap of both side edges shown in FIG.
  • FIG. 5 is an explanatory view showing another example of the binding member
  • FIG. 6 is a state where the overlapped portions where the side edge portions shown in FIG.
  • FIG. 7 is a perspective view showing the formed cylindrical body.
  • FIG. 1 is a blank sheet 2 showing an example of a cylindrical body 1 formed using a paper sheet material formed according to the present invention, and is a four-sided cylinder connected via folding lines 3, 4, 5, Wall panel 6, 7, 8, 9 and one side edge 10 of blank sheet 2 (open side edge of tube wall panel 6) on the other side edge 12 of blank sheet 2 via fold line 11. Adhesive pieces 13 to be bonded to (open side edge of the cylindrical wall panel 9) are connected.
  • the blank sheet 2 shown in FIG. 1 omits the side panel that opens and closes the opening of the cylindrical body 1.
  • the adhesive piece 13 connected to one side edge 10 of the blank sheet 2 is moved from the folding line 11 to the inner side (the inner surface side of the cylindrical body 1). Then, the blank sheet 2 is folded inward from the fold line 4, one side edge 10, the adhesive strip 13 connected to one side edge 10 and turned back, and the other side edge 12 Are superimposed (see FIG. 2). In this example, the adhesive strip 13 connected and folded back to one side edge portion 10 is superposed on the inside of the other edge portion 12, but as shown in FIG. The adhesive piece 13 may be superposed on the upper side of the other edge portion 12.
  • the overlapping portion 14 is compressed by applying pressure from the overlapping direction and compressing (see FIGS. 4, 5, and 6).
  • known binding members described in Japanese Patent No. 5080691 and Japanese Patent No. 5361858 are used for the pair of binding members 17 and 18, for example.
  • gear-like binding members 17 and 18 having tooth portions 15 and 16 meshing with each other on the outer peripheral edge are used (see FIG. 4), but linear binding members 17 and 18 may also be used (FIG. 5).
  • the overlapping portion 14 may be a combination of a gear-shaped binding member and a linear binding member, and is not particularly limited.
  • the compression of the overlapping portion 14 by the binding members 17 and 18 couples the adhesive piece 13 and the other side edge portion 12 with a strong coupling force so that the one side edge portion 10 and the adhesive piece 13 do not produce a coupling force.
  • the height of the tooth portion 16 of the binding member 18 disposed on the side edge portion 10 side of the overlapping portion 14 is set to the other side edge portion 12 (FIG. 2) or lower than the height of the tooth portion 15 of the binding member 17 disposed on the side of the adhesive piece 13 (see FIG.
  • binding members 17 and 18 are gear-shaped, although not illustrated, it is preferable to provide a roller for pressing the overlapping portion 14 on at least one side of the binding members 17 and 18.
  • the paper sheet material is corrugated cardboard or the like, when pressure is applied by the binding members 17 and 18 along the overlapping portion 14, the overlapping portion 14 is pressed by the roller, resulting in beautiful binding.
  • the overlapping portion 14 is sandwiched between the binding members 17 and 18, and the overlapping portion is engaged by applying pressure from the overlapping direction. 14, the adhesive piece 13 and the other side edge portion 12 are compressed and joined by the meshing of the tooth portions 15 and 16, and the one side edge portion 10 and the adhesive piece 13 do not adhere to each other.
  • the glue margin piece connected to one side edge part and the other side edge part can be formed in a cylindrical shape similar to the cylindrical shape formed by bonding with glue (see FIG. 7).
  • the paper sheet material for forming the cylindrical body 1 a material in which the front surface A, which is the outer surface of the cylindrical body 1, is composed of long fibers and the back surface B is composed of short fibers is used.
  • the term “long fiber” as used herein refers to a fiber having a length that can be entangled when compressed by the binding members 17 and 18 to obtain a strong binding force, and the short fiber is a length that is weakly entangled and cannot provide a strong binding force. This fiber.
  • An example of a paper sheet material in which the front surface A is composed of long fibers and the back surface B is composed of short fibers is coated cardboard.
  • the overlapping portion 14 in which one side edge portion 10 of the blank sheet 2 of the cylindrical body 1 using such a paper sheet material, the adhesive piece 13 and the other side edge portion 12 are overlapped is bonded to the overlapping portion 14.
  • the facing surface of the adhesive piece 13 becomes a long fiber layer
  • the facing surface of the other side edge portion 12 becomes a short fiber layer
  • the opposing surfaces of the side edge portion 10 and the adhesive piece 13 are both short fiber layers.
  • the fibers on the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are loosened by the pressure,
  • the long fibers on the opposing surface of the adhesive piece 13 are intertwined with the short fibers on the opposing surface of the other side edge portion 12 and bonded with a strong binding force, while the fibers on the opposing surface of the one side edge portion 10 and the adhesive piece 13 are joined.
  • the entanglement is weak, and a strong bonding force cannot be obtained, so that they do not bond.
  • the fibers on the moisture absorbing surface of at least one of the opposing surfaces of the other side edge portion 12 and the adhesive piece 13 are easily loosened, and the fibers on the opposing surface of the adhesive piece 13 and the other side edge portion 12 are loosened.
  • Are entangled and bonded with a strong bonding force while the fibers on the opposing surfaces of one side edge 10 and the adhesive piece 13 are not easily loosened and weakly entangled, and a strong bonding force cannot be obtained and bonded.
  • the paper sheet material is a layer in which the surface shown in the first example is composed of long fibers and the back surface is composed of short fibers
  • either one of the facing surfaces of the adhesive piece 13 and the other side edge portion 12 is used. Since the long fibers on the other surface are intertwined with the short fibers on the other surface and bonded with a strong bonding force, the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are bonded with a stronger bonding force, resulting in a stronger cylinder.
  • Form 1 is formed.
  • a water-resistant, oil-resistant, or peelable liquid or paint (including ink) is applied to the back side of the paper sheet material forming the cylindrical body 1.
  • the overlapping part 14 which overlap
  • the opposite surface of the overlapping portion 14 between the adhesive piece 13 and the other edge, and one of the surfaces is not coated with a water-resistant, oil-resistant or peelable liquid or paint
  • the surface is a coated surface, and any one of the side edges 10 and the adhesive piece 13 or the opposing faces of the one side edge 10 and the other side edge 12 has water resistance, oil resistance, or peeling.
  • the opposing surface of one side edge 10 and the adhesive strip 13 is a surface coated with a water-resistant, oil-resistant or peelable liquid or paint, so that the fibers are weakly entangled It will be, and does not bind not be obtained strong binding force.
  • the paper sheet material is a layer in which the surface shown in the first example is composed of long fibers and the back surface is composed of short fibers
  • either one of the facing surfaces of the adhesive piece 13 and the other side edge portion 12 is used. Since the long fibers on the other surface are intertwined with the short fibers on the other surface and bonded with a strong bonding force, the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are bonded with a stronger bonding force, resulting in a stronger cylinder.
  • Form 1 is formed.
  • the overlapping portion 14 with the binding members 17 and 18 if moisture is supplied and absorbed to at least one of the opposing surfaces of the other side edge portion 12 and the adhesive piece 13, adhesion is achieved.
  • an adhesive piece 13 is connected to one side edge portion 10 of both side edges of one sheet of paper material, and the adhesive piece 13 and the other side edge portion 12 are overlapped and bonded to form a cylindrical shape.
  • the body 1 is formed, although not shown, a plurality of paper sheet materials are used, and the adhesive strips 13 are connected to each other with one side edge portion 10 as one side edge portion of each paper sheet material.
  • the side line portion on the side is set as the other side edge portion 12, and the adhesive piece 13 connected to one side edge portion 10 of one paper sheet material and the other side edge portion 12 of another paper sheet material are overlapped and bonded.
  • the cylindrical body 1 may be formed, or a sheet of paper sheet material is folded in half, and the front or rear side of the sheet line material on the same side of the front and rear facing paper sheet material.
  • the adhesive piece 13 is connected with the edge portion as one side edge portion 10, and the side edge portion of the other paper sheet material is set as the other side edge portion 12. And, adhered to overlay the adhesive strip 13 and the other side edge 12 may form a tubular body 1, there is no particular limitation on the tubular body 1 to be formed.
  • the cylindrical body 1 formed in this way includes a rectangular tube and a cylindrical shape as in this example, and can be applied to boxes, containers, bags, packs, trays, envelopes, and the like.
  • court cardboard, cardboard, plain paper or the like can be used as a paper sheet material.

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  • Making Paper Articles (AREA)

Abstract

In the present invention, a folded piece of a paper sheet material, the folded piece formed by folding the paper sheet material inward from one edge section 10, continues from the one edge section 10 to serve as a connecting piece 13. The one edge section 10, the connecting piece 13, and another edge section 12 are overlapped such that the connecting piece 13 comes into contact with either the front surface side or back surface side of the other edge section 12 to form an overlapped section 14. A pair of binding members 17, 18, which have tooth sections 15, 16 that can engage with each other, sandwich this overlapped section 14, apply pressure to engage the tooth sections 15, 16, and compress the overlapped section 14. The connecting section 13 and the other edge section 12 are bound with a strong binding force. The binding force is not produced between the one edge section 10 and the connecting section 13 or the one edge section 10 and the other edge section 12 so as to only connect the connecting section 13 to the other edge section 12.

Description

紙シート素材を用いた筒状体の形成方法Method for forming cylindrical body using paper sheet material
　本発明は、一枚の紙シート素材の両側縁部のうちの一方の側縁部に接着片を連接し、該接着片と他方の側縁部を重ね合わせ接着して筒状に形成する紙シート素材を用いた筒状体の形成方法に関する。 The present invention relates to a paper in which an adhesive piece is connected to one side edge portion of both side edge portions of one paper sheet material, and the adhesive piece and the other side edge portion are overlapped and bonded to form a cylinder. The present invention relates to a method for forming a cylindrical body using a sheet material.
　一枚の紙シート素材で組み立てた各種の箱や容器等が数多く作られている。これら箱や容器等（以下、単に箱等という。）の多くは、箱等の本体を構成するパネルの両側縁部を接着して筒状とした箱等の本体を形成している。パネルの両側縁部の接着にあっては、一般に、パネルの一方の側縁部に糊代片が連接され、この糊代片が他方の側縁部に糊により接着している。 A lot of various types of boxes and containers assembled from a single sheet of paper are made. Many of these boxes, containers, and the like (hereinafter simply referred to as “boxes”) form a main body such as a cylindrical box by bonding both side edges of a panel constituting the main body of the box. In bonding the side edges of the panel, generally, a glue margin piece is connected to one side edge portion of the panel, and this glue margin piece is adhered to the other side edge portion by glue.
　近年、複数枚の紙シートを重ね、糊や金属針等の副資材を使用せずに、対向面に互いに噛み合い可能な歯部を有する一対の綴じ部材で前記重ね部を挟み、重ねた方向から圧力をかけて噛み合わせ、前記重ね部を圧縮して綴じる紙シートの接着方法が提案されており、雑誌、冊子、ノート、パンフレット等の綴じ込みだけでなく、紙箱等における接着手段としても使用ができることが開示されている（例えば、特許文献１、２参照）。 In recent years, a plurality of paper sheets are stacked, and without using a secondary material such as glue or metal needle, the overlapping portion is sandwiched between a pair of binding members having tooth portions that can be engaged with each other on the opposing surface, and from the stacked direction. A method of adhering a paper sheet that has been pressed together and compressed and bound by compressing the overlapped portion has been proposed, and can be used not only for binding magazines, booklets, notebooks, pamphlets, but also as an adhering means in paper boxes, etc. (For example, refer to Patent Documents 1 and 2).
特許第５０８０６９１号公報Japanese Patent No. 5080691 特許第５３６１８５８号公報Japanese Patent No. 5361858
　しかし、箱等の本体が、前記のような箱等の本体を構成するパネルの一方の側縁部に連接された糊代片を他方の側縁部に接着して筒状に形成されるものである場合、パネルの一方の側縁部に連接された糊代片を他方の側縁部に接着する手段として、前記特許文献１、２に記載されている綴じ部材で接着しようとすると、糊代片と他方の側縁部の重ね部に対し、一対の綴じ部材の一方の綴じ部材を重ね部の外側に、一方の綴じ部材を重ね部の内側に側に対向させて配置し、重ね部を挟み、重ねた方向から圧力をかけて噛み合わせることになる。 However, the main body of the box or the like is formed in a cylindrical shape by adhering the glue margin piece connected to one side edge of the panel constituting the main body of the box or the like to the other side edge. In this case, as a means for adhering the glue margin piece connected to one side edge portion of the panel to the other side edge portion, if the binding member described in Patent Documents 1 and 2 is to be adhered, With respect to the overlapping portion of the side piece and the other side edge portion, one binding member of the pair of binding members is disposed on the outer side of the overlapping portion, and one binding member is disposed on the inner side of the overlapping portion so as to face the side, and the overlapping portion And sandwiching them by applying pressure from the overlapping direction.
　この場合、重ね部の外側は綴じ部材を配置するのに十分なスペースがあるが、重ね部の内側は筒状に形成される本体の内部となり、綴じ部材の配置スペースが狭く、配置が難しい。特に箱等が小さい場合は、重ね部の内側への綴じ部材の配置は特に困難である。
　また、重ね部の内側に綴じ部材を配置するのに十分なスペースがあったとしても、重ね部の内側に配置する綴じ部材を支持する躯体の構造が制約され、実施が難しいといった問題があった。 In this case, the outside of the overlapped portion has a sufficient space for arranging the binding member, but the inside of the overlapped portion is inside the main body formed in a cylindrical shape, so that the arrangement space for the binding member is narrow and the arrangement is difficult. In particular, when a box or the like is small, it is particularly difficult to arrange the binding members inside the overlapping portion.
In addition, even if there is sufficient space for placing the binding member inside the overlapped portion, there is a problem that the structure of the casing that supports the binding member placed inside the overlapped portion is restricted, which is difficult to implement. .
　本発明の目的は、紙シート素材の両側縁部を一対の綴じ部材で容易に接着できるようにするとともに、一方の側縁部に連接された糊代片と他方の側縁部を糊により接着して形成される筒状と同様の筒状に形成できるようにした、紙シート素材を用いた筒状体の形成方法を提供することにある。 An object of the present invention is to enable easy bonding of both side edges of a paper sheet material with a pair of binding members, and bonding the glue margin piece connected to one side edge and the other side edge with glue. Another object of the present invention is to provide a method for forming a cylindrical body using a paper sheet material that can be formed into a cylindrical shape similar to the cylindrical shape formed in this manner.
　上記の目的を達成するために、請求項１に記載の発明は、紙シート素材の側縁部同士を、一方の側縁部に連接した接着片を他方の側縁部に重ね合わせ接着して筒状に形成する紙シート素材を用いた筒状体の形成方法であって、一方の側縁部に、該側縁部から内側に折り返す折り返し片を連接してこれを前記接着片とし、前記一方の側縁部と、前記一方の側縁部に連接し折り返した前記接着片と、前記他方の側縁部とを、前記接着片が前記他方の側縁部の表裏いずれかの面側と接するように重ね合わせ、この重ね部を、対向面に互いに噛み合い可能な歯部を有する一対の綴じ部材で前記重ね部を挟み、重ねた方向から圧力をかけて噛み合わせて前記重ね部を圧縮し、前記接着片と前記他方の側縁部とを強い結合力で結合し、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とは結合力を生じさせないようにして、前記接着片と前記他方の側縁部のみを接着することを特徴とする。 In order to achieve the above object, the invention according to claim 1 is characterized in that the side edges of the paper sheet material are bonded to each other by superimposing an adhesive piece connected to one side edge on the other side edge. A method of forming a cylindrical body using a paper sheet material formed into a cylindrical shape, wherein one side edge portion is connected to a folded piece folded back from the side edge portion, and this is used as the adhesive piece, One side edge, the adhesive piece connected and folded back to the one side edge, and the other side edge, the adhesive piece being either on the front or back side of the other side edge The overlapping portions are overlapped with each other, and the overlapping portions are sandwiched between a pair of binding members having teeth portions that can be engaged with each other on the opposite surface, and the overlapping portions are compressed by applying pressure from the overlapping direction. The adhesive piece and the other side edge portion are bonded with a strong bonding force, and the one side edge portion is Wherein as not to cause the adhesive strip or the one side edge portion avidity and the other side edge, characterized by bonding only the adhesive strip and the other side edge.
　請求項２に記載の発明は、請求項１に記載の、前記紙シート素材は、表面が長繊維、裏面が短繊維の層で構成されたものであることを特徴とする。 The invention according to claim 2 is characterized in that the paper sheet material according to claim 1 is composed of a layer having a long fiber on the front surface and a short fiber on the back surface.
　請求項３に記載の発明は、請求項１または２のいずれか１項に記載の、前記重ね部を前記綴じ部材により圧縮する前に、前記他方の側縁部と前記接着片の対向面の少なくともいずれか一方の面に、水分を供給し吸湿させることを特徴とする。 According to a third aspect of the present invention, before the overlapping portion is compressed by the binding member according to any one of the first or second aspects, the other side edge portion and the facing surface of the adhesive piece Moisture is supplied to at least one of the surfaces to absorb moisture.
　請求項４に記載の発明は、請求項１乃至３のいずれか１項に記載の、前記紙シート素材は、裏面に耐水性、耐油性もしくは剥離性のある液体または塗料が塗布されているものであることを特徴とする。 A fourth aspect of the present invention is the paper sheet material according to any one of the first to third aspects, wherein a water-resistant, oil-resistant or peelable liquid or paint is applied to the back surface. It is characterized by being.
　請求項１に記載の紙シート素材を用いた筒状体の形成方法によれば、一方の側縁部に、該側縁部から内側に折り返す折り返し片を連接してこれを前記接着片とし、前記一方の側縁部と、前記一方の側縁部に連接し折り返した前記接着片と、前記他方の縁部とを、前記接着片が前記他方の側縁部の表裏いずれかの面側と接するように重ね合わせ、この重ね部を、対向面に互いに噛み合い可能な歯部を有する一対の綴じ部材で前記重ね部を挟み、重ねた方向から圧力をかけて噛み合わせて前記重ね部を圧縮し、前記接着片と前記他方の側縁部とを強い結合力で結合し、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とは結合力を生じさせないようにして、前記接着片と前記他方の側縁部のみを接着するようにしたので、前記重ね部を綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせて前記重ね部を圧縮したとき、前記接着片と前記他方の側縁部とが前記歯部の噛み合いにより圧縮され結合して接着し、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とは接着せず、前記重ね部を綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせ前記重ね部を圧縮した紙シート素材を押し広げたとき、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とが容易に離れ、一方の側縁部に連接された糊代片と他方の側縁部を糊により接着して形成される筒状と同様の筒状体に形成することができる。
　また、紙シート素材の両側縁部は、前記重ね部を前記一対の綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせることにより圧縮されて接着するので、前記一対の綴じ部材は重ね部の外側に配置することができることから、形成される筒状の大きさに関係なく簡単な構成で容易に接着することができ、また、接着に糊の使用が無くなり、更に作業工程が簡略化するなど、その分コストの低減を図ることができる。 According to the method for forming a cylindrical body using the paper sheet material according to claim 1, a folded piece that is folded back inward from the side edge portion is connected to one side edge portion, and this is used as the adhesive piece, The one side edge, the adhesive piece connected and folded to the one side edge, and the other edge, and the adhesive piece is either on the front or back side of the other side edge. The overlapping portions are overlapped with each other, and the overlapping portions are sandwiched between a pair of binding members having teeth portions that can be engaged with each other on the opposite surface, and the overlapping portions are compressed by applying pressure from the overlapping direction. The bonding piece and the other side edge portion are bonded with a strong bonding force, and the one side edge portion and the bonding piece or the one side edge portion and the other side edge portion generate a bonding force. So that only the adhesive piece and the other side edge are bonded. When the overlapping portion is sandwiched between the binding members, and the overlapping portion is compressed by applying pressure from the overlapping direction to compress the overlapping portion, the adhesive piece and the other side edge portion are compressed and joined by the engagement of the tooth portion. The one side edge and the adhesive piece or the one side edge and the other side edge are not bonded, and the overlapping portion is sandwiched between binding members, and pressure is applied from the overlapping direction. When the paper sheet material compressed by compressing the overlapping portion is spread out, the one side edge portion and the adhesive piece or the one side edge portion and the other side edge portion are easily separated from each other. It can be formed into a cylindrical body similar to a cylindrical body formed by bonding the paste margin piece connected to the side edge portion and the other side edge portion with glue.
Further, the side edge portions of the paper sheet material are compressed and bonded by sandwiching the overlapping portion between the pair of binding members and applying pressure from the overlapping direction so that the pair of binding members are overlapped. Can be easily bonded with a simple configuration regardless of the size of the formed cylinder, and no glue is used for bonding, further simplifying the work process. The cost can be reduced accordingly.
　請求項２に記載の紙シート素材を用いた筒状体の形成方法によれば、請求項１に記載の、前記紙シート素材は、表面が長繊維、裏面が短繊維の層で構成されたものであるので、前記一方の側縁部と前記接着片と前記他方の側縁部とを重ね合わせた前記重ね部は、前記重ね部における前記接着片と前記他方の側縁部の対向面にあっては、一方の面が長繊維の層となり他方の面が短繊維の層となり、そして、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部の対向面にあっては、いずれも短繊維の層となる。
　そのため、前記重ね部を一対の綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせ圧縮したとき、圧力により前記接着片と前記他方の側縁部の対向面の繊維がほぐれ、前記接着片と前記他方の側縁部の対向面のいずれか一方の面の長繊維が他方の面の短繊維と絡み合って強い結合力で結合し、他方、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部との対向面の繊維はほぐれるが、いずれも短繊維であるため絡み合いが弱く、強い結合力が得られず結合しない。
　これにより、前記重ね部を綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせ前記重ね部を圧縮した紙シート素材を押し広げたとき、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とが容易に離れ、一方の側縁部に連接された糊代片と他方の側縁部を糊により接着して形成される筒状と同様の筒状体に形成することができる。 According to the method for forming a cylindrical body using the paper sheet material according to claim 2, the paper sheet material according to claim 1 is composed of a layer of long fibers on the front surface and short fibers on the back surface. Therefore, the overlapping portion obtained by superimposing the one side edge portion, the adhesive piece, and the other side edge portion is disposed on a surface of the overlapping portion facing the adhesive piece and the other side edge portion. In this case, one side is a long fiber layer and the other side is a short fiber layer, and the one side edge and the adhesive piece or the one side edge and the other side edge are formed. In the facing surface, both are short fiber layers.
Therefore, when the overlapping portion is sandwiched between a pair of binding members and pressed and compressed in the overlapping direction, the fibers on the opposing surfaces of the adhesive piece and the other side edge portion are loosened by the pressure, and the adhesive piece And the long fibers on any one of the opposing surfaces of the other side edge are intertwined with the short fibers on the other surface and bonded with a strong binding force, while the one side edge and the adhesive piece or the The fibers on the facing surfaces of one side edge and the other side edge are loosened, but since both are short fibers, the entanglement is weak, and a strong binding force cannot be obtained and the fibers do not bond.
As a result, when the overlapping portion is sandwiched between the binding members and the sheet material compressed by compressing the overlapping portion is pressed and spread from the overlapping direction, the one side edge portion and the adhesive piece or the one is A cylinder similar to a cylinder formed by bonding the glue margin piece connected to one side edge part and the other side edge part with glue, easily separating the side edge part from the other side edge part. It can be formed into a shape.
　請求項３に記載の紙シート素材を用いた筒状体の形成方法によれば、請求項１に記載の、前記重ね部を前記綴じ部材により圧縮する前に、前記他方の側縁部と前記接着片の対向面の少なくともいずれか一方の面に、水分を供給し吸湿させるので、吸湿した面の繊維はほぐれ易く、前記重ね部を一対の綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせて圧縮したとき、その圧力が強くなくても前記他方の側縁部と前記接着片の対向面の少なくともいずれか一方の吸湿している面の繊維が容易にほぐれ、前記接着片と前記他方の側縁部の対向面のほぐれた繊維が絡み合って強い結合力で結合し、他方、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部との対向面の繊維はほぐれ難く絡み合いも弱く、強い結合力が得られず結合しない。
　これにより、前記重ね部を綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせ前記重ね部を圧縮した紙シート素材を押し広げたとき、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とが容易に離れ、一方の側縁部に連接された糊代片と他方の側縁部を糊により接着して形成される筒状と同様の筒状体に形成することができる。
　また、前記紙シート素材が、表面が長繊維、裏面が短繊維の層で構成されたものであると、前記接着片と前記他方の側縁部の対向面のいずれか一方の面の長繊維が他方の面の短繊維と絡み合って強い結合力で結合するので、前記接着片と前記他方の側縁部の対向面は、一層強い結合力で結合し、一層強固な筒状体を形成することができる。 According to the method for forming a cylindrical body using the paper sheet material according to claim 3, before compressing the overlapped portion according to claim 1 with the binding member, Since moisture is supplied to and absorbed by at least one of the opposing surfaces of the adhesive piece, the fibers on the absorbed surface are easily loosened, and the overlapping portion is sandwiched between a pair of binding members, and pressure is applied from the overlapping direction. When meshed and compressed, even if the pressure is not strong, the fibers on the moisture absorbing surface of at least one of the other side edge and the opposing surface of the adhesive piece are easily loosened, and the adhesive piece and the The loose fibers on the opposing surface of the other side edge are entangled and bonded with a strong binding force, while the one side edge and the adhesive piece or the one side edge and the other side edge The fibers on the opposite side are not easily unraveled, weakly entangled, and strongly bonded It does not bind not be obtained.
As a result, when the overlapping portion is sandwiched between the binding members and the sheet material compressed by compressing the overlapping portion is pressed and spread from the overlapping direction, the one side edge portion and the adhesive piece or the one is A cylinder similar to a cylinder formed by bonding the glue margin piece connected to one side edge part and the other side edge part with glue, easily separating the side edge part from the other side edge part. It can be formed into a shape.
Further, when the paper sheet material is composed of a layer having a long fiber on the front surface and a short fiber on the back surface, the long fiber on one surface of the facing surface of the adhesive piece and the other side edge portion. Are intertwined with the short fibers on the other surface and bonded with a strong bonding force, so that the opposing surfaces of the adhesive piece and the other side edge are bonded with a stronger bonding force to form a stronger cylindrical body. be able to.
　請求項４に記載の紙シート素材を用いた筒状体の形成方法によれば、請求項１に記載の、前記紙シート素材は、裏面に耐水性、耐油性もしくは剥離性のある液体または塗料が塗布されているので、前記一方の側縁部に、該側縁部から内側に折り返す折り返し片を連接してこれを前記接着片とし、前記一方の側縁部と前記接着片と前記他方の側縁部とを重ね合わせた前記重ね部は、重ね部における接着片と他方の縁部の対向面にあっては、いずれか一方の面が耐水性、耐油性もしくは剥離性のある液体または塗料を塗布していない面、他方の面が塗布した面となり、そして、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部の対向面にあっては、いずれも耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面となる。
　そのため、前記重ね部を一対の綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせ圧縮したとき、圧力により前記接着片と前記他方の側縁部の対向面の繊維がほぐれ、耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面の繊維は絡み合いが弱いが、耐水性、耐油性もしくは剥離性のある液体または塗料を塗布していない面の繊維がこれをカバーし、耐水性、耐油性もしくは剥離性のある液体または塗料を塗布していない面の繊維と耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面の繊維が絡み合って強い結合力で結合し、他方、前記一方の側縁部と前記接着片との対向面は、いずれも耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面となるため、繊維は絡み合いが弱いもの同士となり、強い結合力が得られず結合しない。
　これにより、前記重ね部を綴じ部材で挟み、重ねた方向から圧力をかけて噛み合わせ前記重ね部を圧縮した紙シート素材を押し広げたとき、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とが容易に離れ、一方の側縁部に連接された糊代片と他方の側縁部を糊により接着して形成される筒状と同様の筒状に形成することができる。
　また、前記紙シート素材が、表面が長繊維、裏面が短繊維の層で構成されたものであると、前記接着片と前記他方の側縁部の対向面のいずれか一方の面の長繊維が他方の面の短繊維と絡み合って強い結合力で結合するので、前記接着片と前記他方の側縁部の対向面は、一層強い結合力で結合し、一層強固な筒状体を形成することができる。
　また、前記重ね部を前記綴じ部材により圧縮する前に、前記他方の側縁部と前記接着片の対向面の少なくともいずれか一方の面に、水分を供給し吸湿させておくと、前記接着片と前記他方の側縁部の対向面のほぐれた繊維が絡み合って強い結合力で結合するので、前記接着片と前記他方の側縁部の対向面は、一層強い結合力で結合し、一層強固な筒状体を形成することができる。 According to the method for forming a cylindrical body using the paper sheet material according to claim 4, the paper sheet material according to claim 1 is a liquid or paint having water resistance, oil resistance or peelability on the back surface. Is applied to the one side edge portion, and a folded piece folded back from the side edge portion to the inside is used as the adhesive piece, and the one side edge portion, the adhesive piece, and the other side edge portion are connected. The overlapped portion that is overlapped with the side edge is a liquid or paint that is water-resistant, oil-resistant, or peelable on one surface of the overlapped portion on the opposing surface of the adhesive piece and the other edge. In the surface not coated, the other surface is a coated surface, and on the opposing surface of the one side edge and the adhesive piece or the one side edge and the other side edge, Apply water-resistant, oil-resistant or peelable liquid or paint The surface.
Therefore, when the overlapped portion is sandwiched between a pair of binding members and compressed by applying pressure from the overlapped direction, the fibers on the facing surfaces of the adhesive piece and the other side edge portion are loosened by the pressure, water resistance, The fiber on the surface coated with oil-resistant or peelable liquid or paint is weakly entangled, but the fiber on the surface not coated with water-resistant, oil-resistant or peelable liquid or paint covers this, Water, oil-resistant or peelable liquid or non-painted surface fiber and water-resistant, oil-resistant or peelable liquid or paint coated surface fiber entangled and bonded with strong bond strength, On the other hand, the opposing surfaces of the one side edge and the adhesive piece are all surfaces coated with water-resistant, oil-resistant or peelable liquid or paint, so that the fibers are weakly entangled. Strong binding force does not bind not be obtained.
As a result, when the overlapping portion is sandwiched between the binding members and the sheet material compressed by compressing the overlapping portion is pressed and spread from the overlapping direction, the one side edge portion and the adhesive piece or the one is A cylinder similar to a cylinder formed by bonding the glue margin piece connected to one side edge part and the other side edge part with glue, easily separating the side edge part from the other side edge part. Can be formed.
Further, when the paper sheet material is composed of a layer having a long fiber on the front surface and a short fiber on the back surface, the long fiber on one surface of the facing surface of the adhesive piece and the other side edge portion. Are intertwined with the short fibers on the other surface and bonded with a strong bonding force, so that the opposing surfaces of the adhesive piece and the other side edge are bonded with a stronger bonding force to form a stronger cylindrical body. be able to.
In addition, before compressing the overlapped portion with the binding member, if moisture is supplied and moisture-absorbed to at least one of the other side edge and the facing surface of the adhesive piece, the adhesive piece Since the loose fibers on the opposing surface of the other side edge portion are intertwined and bonded with a strong binding force, the opposing surface of the adhesive piece and the other side edge portion are bonded with a stronger binding force, making it stronger A simple cylindrical body can be formed.
本発明に係る紙シート素材を用いた筒状体の形成方法を実施する工程の一例を示し、本例で形成する筒状体の展開図である。It is an expanded view of the cylindrical body formed in this example which shows an example of the process which implements the formation method of the cylindrical body using the paper sheet raw material which concerns on this invention. 図１に示す展開図から折り畳んで両側縁部を重ね合わせた状態を示す斜視図である。It is a perspective view which shows the state which folded up from the expanded view shown in FIG. 1, and overlapped the both-sides edge part. 図１に示す展開図から折り畳んで両側縁部を重ね合わせた状態の他例を示す斜視図である。It is a perspective view which shows the other example of the state which folded up from the expanded view shown in FIG. 図２に示す両側縁部を重ね合わせた重ね部を一対の綴じ部材で加圧し接着する状態を示す説明図である。It is explanatory drawing which shows the state which pressurizes and adhere | attaches the overlapping part which piled up the both-sides edge part shown in FIG. 2 with a pair of binding members. 綴じ部材の他例を示す説明図である。It is explanatory drawing which shows the other example of a binding member. 図２に示す両側縁部を重ね合わせた重ね部を接着した状態を示す斜視図である。It is a perspective view which shows the state which bonded the overlap part which accumulated the both-side edge part shown in FIG. 形成された筒状体を示す斜視図である。It is a perspective view which shows the formed cylindrical body.
　以下、本発明に係る紙シート素材を用いた筒状体の形成方法の実施の形態の一例を、図面を参照して詳細に説明する。
図１は本発明に係る紙シート素材を用いた筒状体の形成方法で形成する筒状体の一例を示す展開図、図２は図１に示す展開図から折り畳んで両側縁部を重ね合わせた状態を示す斜視図、図３は図１に示す展開図から折り畳んで両側縁部を重ね合わせた状態の他例を示す斜視図、図４は図２に示す両側縁部を重ね合わせた重ね部を一対の綴じ部材で加圧し接着する状態を示す説明図、図５は綴じ部材の他例を示す説明図、図６は図２に示す両側縁部を重ね合わせた重ね部を接着した状態を示す斜視図、図７は形成された筒状体を示す斜視図である。 Hereinafter, an example of an embodiment of a method for forming a cylindrical body using a paper sheet material according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a development view showing an example of a cylindrical body formed by the method for forming a cylindrical body using a paper sheet material according to the present invention, and FIG. 2 is folded from the development view shown in FIG. FIG. 3 is a perspective view showing another example of a state in which both side edges are overlapped and folded from the developed view shown in FIG. 1, and FIG. 4 is an overlap of both side edges shown in FIG. FIG. 5 is an explanatory view showing another example of the binding member, and FIG. 6 is a state where the overlapped portions where the side edge portions shown in FIG. FIG. 7 is a perspective view showing the formed cylindrical body.
　図１は、本発明で形成される紙シート素材を用いて形成される筒状体１の一例を示すブランクシート２であり、折線３，４，５，を介して連接された４面の筒壁パネル６，７，８，９と、ブランクシート２の一方の側縁部１０（筒壁パネル６の開放側の側縁部）に折線１１を介してブランクシート２の他方の側縁部１２（筒壁パネル９の開放側の側縁部）と接着する接着片１３が連接されている。
　図１に示すブランクシート２は、筒状体１の開口部を開閉する側面パネルを省略している。 FIG. 1 is a blank sheet 2 showing an example of a cylindrical body 1 formed using a paper sheet material formed according to the present invention, and is a four-sided cylinder connected via folding lines 3, 4, 5, Wall panel 6, 7, 8, 9 and one side edge 10 of blank sheet 2 (open side edge of tube wall panel 6) on the other side edge 12 of blank sheet 2 via fold line 11. Adhesive pieces 13 to be bonded to (open side edge of the cylindrical wall panel 9) are connected.
The blank sheet 2 shown in FIG. 1 omits the side panel that opens and closes the opening of the cylindrical body 1.
　本例の紙シート素材を用いた筒状体の形成方法では、先ず、ブランクシート２の一方の側縁部１０に連接している接着片１３を折線１１から内側（筒状体１の内面側）へ折り返し、次に、ブランクシート２を折線４から内側へ折り畳んで、一方の側縁部１０と、一方の側縁部１０に連接し折り返した接着片１３と、他方の側縁部１２とを重ね合わせる（図２参照。）。
　本例では、一方の側縁部１０に連接し折り返した接着片１３を他方の縁部１２の内側に重ね合わせているが、図３に示すように、一方の側縁部１０に連接し折り返した接着片１３を他方の縁部１２の上側に重ね合わせてもよい。 In the method for forming a cylindrical body using the paper sheet material of this example, first, the adhesive piece 13 connected to one side edge 10 of the blank sheet 2 is moved from the folding line 11 to the inner side (the inner surface side of the cylindrical body 1). Then, the blank sheet 2 is folded inward from the fold line 4, one side edge 10, the adhesive strip 13 connected to one side edge 10 and turned back, and the other side edge 12 Are superimposed (see FIG. 2).
In this example, the adhesive strip 13 connected and folded back to one side edge portion 10 is superposed on the inside of the other edge portion 12, but as shown in FIG. The adhesive piece 13 may be superposed on the upper side of the other edge portion 12.
　次に、一方の側縁部１０と接着片１３と他方の側縁部１２とを重ね合わせた重ね部１４を、対向面に互いに噛み合い可能な歯部１５，１６を有する一対の綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせて重ね部１４を圧縮する（図４，図５，図６参照）。
　一対の綴じ部材１７，１８にあっては、例えば、特許第５０８０６９１号公報、特許第５３６１８５８号公報に記載されている公知の綴じ部材が使用される。本例では、外周縁に互いに噛み合う歯部１５，１６を有する歯車状の綴じ部材１７，１８が使用されているが（図４参照。）、直線状の綴じ部材１７，１８でもよく（図５参照。）、また、図示しないが歯車状の綴じ部材と直線状の綴じ部材との組み合わせであってもよく、特に限定されない。
　綴じ部材１７，１８による重ね部１４の圧縮は、接着片１３と他方の側縁部１２とを強い結合力で結合し、一方の側縁部１０と接着片１３とは結合力を生じさせないようにして、接着片１３と他方の側縁部１２のみを接着するようにした。
　本例では、一対の綴じ部材１７，１８のうち、重ね部１４のにおける一方の側縁部１０側に配置される綴じ部材１８の歯部１６の高さを、他方の側縁部１２（図２参照。）或いは一方の側縁部１０に連設されている接着片１３（図３参照。）側に配置される綴じ部材１７の歯部１５の高さより低くしている。
　このようにすることにより、重ね部１４を一対の綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせて重ね部１４を圧縮したとき、綴じ部材１７の高い歯部１５の圧縮により接着片１３と他方の側縁部１２は強い圧縮力で圧縮され、強い結合力で結合する。これに対し、綴じ部材１８の低い歯部１６で圧縮される一方の側縁部１０と接着片１３は圧縮力が弱く、結合力も弱いので一方の側縁部１０と接着片１３は剥がれ易くなる。 Next, a pair of binding members 17 having tooth portions 15 and 16 that can be engaged with each other on an overlapping surface of the overlapping portion 14 in which one side edge portion 10, the adhesive piece 13, and the other side edge portion 12 are overlapped. 18, the overlapping portion 14 is compressed by applying pressure from the overlapping direction and compressing (see FIGS. 4, 5, and 6).
For the pair of binding members 17 and 18, for example, known binding members described in Japanese Patent No. 5080691 and Japanese Patent No. 5361858 are used. In this example, gear-like binding members 17 and 18 having tooth portions 15 and 16 meshing with each other on the outer peripheral edge are used (see FIG. 4), but linear binding members 17 and 18 may also be used (FIG. 5). In addition, although not shown, it may be a combination of a gear-shaped binding member and a linear binding member, and is not particularly limited.
The compression of the overlapping portion 14 by the binding members 17 and 18 couples the adhesive piece 13 and the other side edge portion 12 with a strong coupling force so that the one side edge portion 10 and the adhesive piece 13 do not produce a coupling force. Thus, only the adhesive piece 13 and the other side edge portion 12 are adhered.
In this example, among the pair of binding members 17 and 18, the height of the tooth portion 16 of the binding member 18 disposed on the side edge portion 10 side of the overlapping portion 14 is set to the other side edge portion 12 (FIG. 2) or lower than the height of the tooth portion 15 of the binding member 17 disposed on the side of the adhesive piece 13 (see FIG. 3) provided continuously to one side edge portion 10.
In this way, when the overlapping portion 14 is sandwiched between the pair of binding members 17 and 18, and the overlapping portion 14 is compressed by applying pressure from the overlapping direction and compressing the overlapping portion 14, the high tooth portion 15 of the binding member 17 is compressed. Thus, the adhesive piece 13 and the other side edge portion 12 are compressed with a strong compressive force, and are bonded with a strong bonding force. On the other hand, the one side edge 10 and the adhesive piece 13 which are compressed by the lower teeth 16 of the binding member 18 have a weak compressive force and a weak bonding force, so that the one side edge 10 and the adhesive piece 13 are easily peeled off. .
　なお、綴じ部材１７，１８が歯車状である場合、図示しないが、綴じ部材１７，１８の少なくとも一方の側に重ね部１４を押さえるローラを設けることが好ましい。特に、紙シート素材がダンボール等の場合、重ね部１４に沿って綴じ部材１７，１８で圧力を加えたとき、ローラによって重ね部１４が押さえられ綺麗な綴じ込みとなる。 In addition, when the binding members 17 and 18 are gear-shaped, although not illustrated, it is preferable to provide a roller for pressing the overlapping portion 14 on at least one side of the binding members 17 and 18. In particular, when the paper sheet material is corrugated cardboard or the like, when pressure is applied by the binding members 17 and 18 along the overlapping portion 14, the overlapping portion 14 is pressed by the roller, resulting in beautiful binding.
　このように構成された本例の紙シート素材を用いた筒状体の形成方法によれば、重ね部１４を綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせて重ね部１４を圧縮したとき、接着片１３と他方の側縁部１２とが歯部１５，１６の噛み合いにより圧縮され結合して接着し、一方の側縁部１０と接着片１３とは接着せず、重ね部１４を綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせ重ね部１４を圧縮したブランクシート２を押し広げたとき、接着片１３と一方の側縁部１０とが容易に離れ、一方の側縁部に連接された糊代片と他方の側縁部を糊により接着して形成される筒状と同様の筒状に形成することができる（図７参照。）。 According to the cylindrical body forming method using the paper sheet material of this example configured as described above, the overlapping portion 14 is sandwiched between the binding members 17 and 18, and the overlapping portion is engaged by applying pressure from the overlapping direction. 14, the adhesive piece 13 and the other side edge portion 12 are compressed and joined by the meshing of the tooth portions 15 and 16, and the one side edge portion 10 and the adhesive piece 13 do not adhere to each other. When the overlapping portion 14 is sandwiched between the binding members 17 and 18 and the blank sheet 2 compressed by engaging and compressing the overlapping portion 14 is pressed from the overlapping direction and the blank sheet 2 is spread out, the adhesive piece 13 and one side edge portion 10 are easy The glue margin piece connected to one side edge part and the other side edge part can be formed in a cylindrical shape similar to the cylindrical shape formed by bonding with glue (see FIG. 7).
　次に、綴じ部材１７，１８による重ね部１４の圧縮で、接着片１３と他方の側縁部１２とを強い結合力で結合し、一方の側縁部１０と接着片１３とは結合力を生じさせないようにして、接着片１３と他方の側縁部１２のみを接着する手段について、例を挙げて説明する。 Next, the compression of the overlapping portion 14 by the binding members 17 and 18 couples the adhesive piece 13 and the other side edge portion 12 with a strong coupling force, and the one side edge portion 10 and the adhesive piece 13 have a coupling force. A means for adhering only the adhesive piece 13 and the other side edge portion 12 without causing them to occur will be described with an example.
　[第１例]
　筒状体１を形成する紙シート素材として、筒状体１の外面となる表面Ａが長繊維、裏面Ｂが短繊維の層で構成されたものを使用する。ここにいう長繊維とは、綴じ部材１７，１８で圧縮したとき絡み合って強い結合力が得られる長さを有する繊維をいい、短繊維とは絡み合いが弱く、強い結合力が得られない長さの繊維をいう。表面Ａが長繊維、裏面Ｂが短繊維の層で構成された紙シート素材として、例えば、コートボール紙がある。
　このような紙シート素材を用いた筒状体１のブランクシート２の一方の側縁部１０と接着片１３と他方の側縁部１２とを重ね合わせた重ね部１４は、重ね部１４における接着片１３と他方の側縁部１２の対向面にあっては、接着片１３における対向面が長繊維の層となり、他方の側縁部１２における対向面が短繊維の層となり、そして、一方の側縁部１０と接着片１３の対向面は、いずれも短繊維の層となる。
　そのため、重ね部１４を一対の綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせ圧縮したとき、圧力により接着片１３と他方の側縁部１２の対向面の繊維がほぐれ、接着片１３における対向面の長繊維が他方の側縁部１２における対向面の短繊維と絡み合って強い結合力で結合し、他方、一方の側縁部１０と接着片１３との対向面の繊維はほぐれるが、いずれも短繊維であるため絡み合いが弱く、強い結合力が得られず結合しない。 [First example]
As the paper sheet material for forming the cylindrical body 1, a material in which the front surface A, which is the outer surface of the cylindrical body 1, is composed of long fibers and the back surface B is composed of short fibers is used. The term “long fiber” as used herein refers to a fiber having a length that can be entangled when compressed by the binding members 17 and 18 to obtain a strong binding force, and the short fiber is a length that is weakly entangled and cannot provide a strong binding force. This fiber. An example of a paper sheet material in which the front surface A is composed of long fibers and the back surface B is composed of short fibers is coated cardboard.
The overlapping portion 14 in which one side edge portion 10 of the blank sheet 2 of the cylindrical body 1 using such a paper sheet material, the adhesive piece 13 and the other side edge portion 12 are overlapped is bonded to the overlapping portion 14. In the facing surface of the piece 13 and the other side edge portion 12, the facing surface of the adhesive piece 13 becomes a long fiber layer, the facing surface of the other side edge portion 12 becomes a short fiber layer, The opposing surfaces of the side edge portion 10 and the adhesive piece 13 are both short fiber layers.
Therefore, when the overlapped portion 14 is sandwiched between the pair of binding members 17 and 18 and compressed by applying pressure from the overlapped direction, the fibers on the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are loosened by the pressure, The long fibers on the opposing surface of the adhesive piece 13 are intertwined with the short fibers on the opposing surface of the other side edge portion 12 and bonded with a strong binding force, while the fibers on the opposing surface of the one side edge portion 10 and the adhesive piece 13 are joined. However, since they are short fibers, the entanglement is weak, and a strong bonding force cannot be obtained, so that they do not bond.
　[第２例]
　紙シート素材を用いた筒状体１のブランクシート２の一方の側縁部１０と接着片１３と他方の側縁部１２とを重ね合わせた重ね部１４を綴じ部材１７，１８により圧縮する前に、他方の側縁部１２と接着片１３の対向面の少なくともいずれか一方の面に、水分を供給し吸湿させておく。
　このようにすることにより、吸湿した面の繊維はほぐれ易く、重ね部１４を一対の綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせて圧縮したとき、その圧力が強くなくても他方の側縁部１２と接着片１３の対向面の少なくともいずれか一方の吸湿している面の繊維が容易にほぐれ、接着片１３と他方の側縁部１２の対向面のほぐれた繊維が絡み合って強い結合力で結合し、他方、一方の側縁部１０と接着片１３との対向面の繊維はほぐれ難く絡み合いも弱く、強い結合力が得られず結合しない。 [Second example]
Before compressing the overlapping portion 14 in which the one side edge portion 10 of the blank sheet 2 of the cylindrical body 1 using the paper sheet material, the adhesive piece 13 and the other side edge portion 12 are overlapped by the binding members 17 and 18. In addition, moisture is supplied to and absorbed by at least one of the opposing surfaces of the other side edge portion 12 and the adhesive piece 13.
By doing so, the fibers on the moisture-absorbed surface are easily loosened, and when the overlapped portion 14 is sandwiched between the pair of binding members 17 and 18 and compressed by applying pressure from the overlapped direction, the pressure is not strong. However, the fibers on the moisture absorbing surface of at least one of the opposing surfaces of the other side edge portion 12 and the adhesive piece 13 are easily loosened, and the fibers on the opposing surface of the adhesive piece 13 and the other side edge portion 12 are loosened. Are entangled and bonded with a strong bonding force, while the fibers on the opposing surfaces of one side edge 10 and the adhesive piece 13 are not easily loosened and weakly entangled, and a strong bonding force cannot be obtained and bonded.
　なお、紙シート素材が、第１例に示した表面が長繊維、裏面が短繊維の層で構成されたものであると、接着片１３と他方の側縁部１２の対向面のいずれか一方の面の長繊維が他方の面の短繊維と絡み合って強い結合力で結合するので、接着片１３と他方の側縁部１２の対向面は、一層強い結合力で結合し、一層強固な筒状体１を形成する。 In addition, when the paper sheet material is a layer in which the surface shown in the first example is composed of long fibers and the back surface is composed of short fibers, either one of the facing surfaces of the adhesive piece 13 and the other side edge portion 12 is used. Since the long fibers on the other surface are intertwined with the short fibers on the other surface and bonded with a strong bonding force, the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are bonded with a stronger bonding force, resulting in a stronger cylinder. Form 1 is formed.
　[第３例]
　筒状体１を形成する紙シート素材の裏面に耐水性、耐油性もしくは剥離性のある液体または塗料（インキも含む。）を塗布しておく。
　このようにすることにより、このような紙シート素材を用いた筒状体１のブランクシート２の一方の側縁部１０と接着片１３と他方の側縁部１２とを重ね合わせた重ね部１４は、重ね部１４における接着片１３と他方の縁部の対向面にあっては、いずれか一方の面が耐水性、耐油性もしくは剥離性のある液体または塗料を塗布していない面、他方の面が塗布した面となり、そして、一方の側縁部１０と接着片１３もしくは一方の側縁部１０と他方の側縁部１２の対向面にあっては、いずれも耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面となる。
　そのため、重ね部１４を一対の綴じ部材１７，１８で挟み、重ねた方向から圧力をかけて噛み合わせ圧縮したとき、圧力により接着片１３と他方の側縁部１２の対向面の繊維がほぐれ、耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面の繊維は絡み合いが弱いが、耐水性、耐油性もしくは剥離性のある液体または塗料を塗布していない面の繊維がこれをカバーし、耐水性、耐油性もしくは剥離性のある液体または塗料を塗布していない面の繊維と耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面の繊維が絡み合って強い結合力で結合し、他方、一方の側縁部１０と接着片１３との対向面は、いずれも耐水性、耐油性もしくは剥離性のある液体または塗料を塗布した面となるため、繊維は絡み合いが弱いもの同士となり、強い結合力が得られず結合しない。 [Third example]
A water-resistant, oil-resistant, or peelable liquid or paint (including ink) is applied to the back side of the paper sheet material forming the cylindrical body 1.
By doing in this way, the overlapping part 14 which overlap | superposed one side edge part 10, the adhesive piece 13, and the other side edge part 12 of the blank sheet 2 of the cylindrical body 1 using such a paper sheet raw material. Is the opposite surface of the overlapping portion 14 between the adhesive piece 13 and the other edge, and one of the surfaces is not coated with a water-resistant, oil-resistant or peelable liquid or paint, The surface is a coated surface, and any one of the side edges 10 and the adhesive piece 13 or the opposing faces of the one side edge 10 and the other side edge 12 has water resistance, oil resistance, or peeling. It becomes the surface which applied the liquid or paint with the property.
Therefore, when the overlapped portion 14 is sandwiched between the pair of binding members 17 and 18 and compressed by applying pressure from the overlapped direction, the fibers on the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are loosened by the pressure, The fibers on the surface with water-resistant, oil-resistant or peelable liquid or paint applied are weakly entangled, but the fibers on the surface not coated with water-resistant, oil-resistant or peelable liquid or paint are covered. However, the water-resistant, oil-resistant or peelable liquid or the fiber on the surface not coated with the paint and the water-resistant, oil-resistant or peelable liquid or the coated fiber on the surface are intertwined with a strong bond strength. On the other hand, the opposing surface of one side edge 10 and the adhesive strip 13 is a surface coated with a water-resistant, oil-resistant or peelable liquid or paint, so that the fibers are weakly entangled It will be, and does not bind not be obtained strong binding force.
　なお、紙シート素材が、第１例に示した表面が長繊維、裏面が短繊維の層で構成されたものであると、接着片１３と他方の側縁部１２の対向面のいずれか一方の面の長繊維が他方の面の短繊維と絡み合って強い結合力で結合するので、接着片１３と他方の側縁部１２の対向面は、一層強い結合力で結合し、一層強固な筒状体１を形成する。
　また、重ね部１４を綴じ部材１７，１８により圧縮する前に、他方の側縁部１２と接着片１３の対向面の少なくともいずれか一方の面に、水分を供給し吸湿させておくと、接着片１３と他方の側縁部１２の対向面のほぐれた繊維が絡み合って強い結合力で結合するので、接着片１３と他方の側縁部１２の対向面は、一層強い結合力で結合し、一層強固な筒状体１を形成する。 In addition, when the paper sheet material is a layer in which the surface shown in the first example is composed of long fibers and the back surface is composed of short fibers, either one of the facing surfaces of the adhesive piece 13 and the other side edge portion 12 is used. Since the long fibers on the other surface are intertwined with the short fibers on the other surface and bonded with a strong bonding force, the opposing surfaces of the adhesive piece 13 and the other side edge portion 12 are bonded with a stronger bonding force, resulting in a stronger cylinder. Form 1 is formed.
In addition, before compressing the overlapping portion 14 with the binding members 17 and 18, if moisture is supplied and absorbed to at least one of the opposing surfaces of the other side edge portion 12 and the adhesive piece 13, adhesion is achieved. Since the loose fibers on the opposing surfaces of the piece 13 and the other side edge 12 are entangled and bonded with a strong bonding force, the opposing surfaces of the adhesive piece 13 and the other side edge 12 are bonded with a stronger bonding force, A stronger cylindrical body 1 is formed.
　なお、本例では一枚の紙シート素材の両側縁部のうちの一方の側縁部１０に接着片１３を連接し、接着片１３と他方の側縁部１２を重ね合わせ接着して筒状体１を形成しているが、図示しないが、複数枚の紙シート素材を使用し、それぞれの紙シート素材の一側の側線部を一方の側縁部１０として接着片１３を連接し、他側の側線部を他方の側縁部１２とし、１の紙シート素材の一方の側縁部１０に連接した接着片１３と他の紙シート素材の他方の側縁部１２を重ね合わせ接着して筒状体１を形成してもよく、また、一枚の紙シート素材を二つ折りし、前後に対向する紙シート素材の同じ側にある側線部の内の前または後の紙シート素材の側縁部を一方の側縁部１０として接着片１３を連接し、他の紙シート素材の側縁部を他方の側縁部１２とし、接着片１３と他方の側縁部１２を重ね合わせ接着して筒状体１を形成してもよく、形成される筒状体１については特に限定されない。
　このようにして形成される筒状体１には、本例のような角筒や円筒形などがあり、箱、容器、袋、パック、トレー、封筒などに適用することができる。
　また、紙シート素材としては、コートーボール紙、ダンボール紙、普通紙などが使用できる。 In this example, an adhesive piece 13 is connected to one side edge portion 10 of both side edges of one sheet of paper material, and the adhesive piece 13 and the other side edge portion 12 are overlapped and bonded to form a cylindrical shape. Although the body 1 is formed, although not shown, a plurality of paper sheet materials are used, and the adhesive strips 13 are connected to each other with one side edge portion 10 as one side edge portion of each paper sheet material. The side line portion on the side is set as the other side edge portion 12, and the adhesive piece 13 connected to one side edge portion 10 of one paper sheet material and the other side edge portion 12 of another paper sheet material are overlapped and bonded. The cylindrical body 1 may be formed, or a sheet of paper sheet material is folded in half, and the front or rear side of the sheet line material on the same side of the front and rear facing paper sheet material. The adhesive piece 13 is connected with the edge portion as one side edge portion 10, and the side edge portion of the other paper sheet material is set as the other side edge portion 12. And, adhered to overlay the adhesive strip 13 and the other side edge 12 may form a tubular body 1, there is no particular limitation on the tubular body 1 to be formed.
The cylindrical body 1 formed in this way includes a rectangular tube and a cylindrical shape as in this example, and can be applied to boxes, containers, bags, packs, trays, envelopes, and the like.
In addition, as a paper sheet material, court cardboard, cardboard, plain paper or the like can be used.
１　筒状体
２　ブランクシート
３、４、５　折線
６、７、８、９　筒壁パネル
１０　一方の側縁部
１１　折線
１２　他方の側縁部
１３　接着片
１４　重ね部
１５、１６　歯部
１７、１８　綴じ部材 DESCRIPTION OF SYMBOLS 1 Tubular body 2 Blank sheet 3, 4, 5 Folding line 6, 7, 8, 9 Cylinder wall panel 10 One side edge part 11 Folding line 12 The other side edge part 13 Adhesive piece 14 Overlapping part 15, 16 Tooth part 17, 18 Binding members

Claims (4)

  1. 　紙シート素材の側縁部同士を、一方の側縁部に連接した接着片を他方の側縁部に重ね合わせ接着して筒状に形成する紙シート素材を用いた筒状体の形成方法であって、一方の側縁部に、該側縁部から内側に折り返す折り返し片を連接してこれを前記接着片とし、前記一方の側縁部と、前記一方の側縁部に連接し折り返した前記接着片と、前記他方の側縁部とを、前記接着片が前記他方の側縁部の表裏いずれかの面側と接するように重ね合わせ、この重ね部を、対向面に互いに噛み合い可能な歯部を有する一対の綴じ部材で前記重ね部を挟み、重ねた方向から圧力をかけて噛み合わせて前記重ね部を圧縮し、前記接着片と前記他方の側縁部とを強い結合力で結合し、前記一方の側縁部と前記接着片もしくは前記一方の側縁部と前記他方の側縁部とは結合力を生じさせないようにして、前記接着片と前記他方の側縁部のみを接着することを特徴とする紙シート素材を用いた筒状体の形成方法。 A method of forming a cylindrical body using a paper sheet material in which side edges of paper sheet materials are bonded to each other by overlapping and bonding an adhesive piece connected to one side edge to the other side edge. Then, a folded piece that is folded back inward from the side edge portion is connected to one side edge portion, and this is used as the adhesive piece, and the one side edge portion and the one side edge portion are connected and folded. The adhesive piece and the other side edge portion are overlapped so that the adhesive piece is in contact with either the front or back surface of the other side edge portion, and the overlapping portion can be engaged with the opposing surface. The overlapping portion is sandwiched between a pair of binding members having tooth portions, and the overlapping portion is compressed by applying pressure from the overlapping direction to compress the overlapping portion, and the adhesive piece and the other side edge portion are coupled with a strong binding force. And the one side edge and the adhesive piece or the one side edge and the other side edge. So as not to cause bonding force to the forming method of the adhesive strip and the other side edge only, characterized in that the adhesive paper sheet material a tubular body using.
  2. 　前記紙シート素材は、表面が長繊維、裏面が短繊維の層で構成されたものであることを特徴とする請求項１に記載の紙シート素材を用いた筒状体の形成方法。 2. The method of forming a cylindrical body using a paper sheet material according to claim 1, wherein the paper sheet material is composed of a layer having a long fiber on the front surface and a short fiber on the back surface.
  3. 　前記重ね部を前記綴じ部材により圧縮する前に、前記他方の側縁部と前記接着片の対向面の少なくともいずれか一方の面に、水分を供給し吸湿させることを特徴とする請求項１または２のいずれか１項に記載の紙シート素材を用いた筒状体の形成方法。 The moisture is supplied to and absorbed by at least one of the other side edge and the facing surface of the adhesive piece before the overlapping portion is compressed by the binding member. A method for forming a cylindrical body using the paper sheet material according to any one of 2 above.
  4. 　前記紙シート素材は、裏面に耐水性、耐油性もしくは剥離性のある液体または塗料が塗布されているものであることを特徴とする請求項１乃至３のいずれか１項に記載の紙シート素材を用いた筒状体の形成方法。 The paper sheet material according to any one of claims 1 to 3, wherein the paper sheet material has a water-resistant, oil-resistant, or peelable liquid or paint applied on the back surface. A method of forming a cylindrical body using the above.
PCT/JP2015/005088 2014-10-06 2015-10-06 Method for forming tubular body using paper sheet material WO2016056231A1 (en)

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JP2014205934A JP6494071B2 (en) 2014-10-06 2014-10-06 Method for forming cylindrical body using paper sheet material
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JP2020049174A (en) * 2018-09-28 2020-04-02 日本製紙株式会社 Paper drinking straw

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007276369A (en) * 2006-04-11 2007-10-25 Omori Kk Molding process of clear case
JP5080691B2 (en) * 2009-08-12 2012-11-21 昭平 森 Die set for paper binding

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824434A (en) * 1981-08-04 1983-02-14 三菱樹脂株式会社 Bonder for end section of raw sheet of small wooden box
JP4177999B2 (en) * 2002-05-27 2008-11-05 株式会社須賀製作所 Crimping device for glued folding folds in a iron making machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007276369A (en) * 2006-04-11 2007-10-25 Omori Kk Molding process of clear case
JP5080691B2 (en) * 2009-08-12 2012-11-21 昭平 森 Die set for paper binding

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