JP3157125U - Cylindrical packing material - Google Patents

Abstract

An object of the present invention is to provide an economical cylindrical packing material that can be used repeatedly. A core material 11 has a cylindrical shape and forms a winding core for winding a long object. A pair of end cover 12 is provided so as to cover both ends of the cylindrical body 1 formed by winding a long object into a cylindrical shape. Each end cover 12 has an annular central portion and a plurality of projecting pieces provided to extend radially from the periphery of the central portion. The end cover 12 covers the end surface 1a of the cylindrical body 1 with the central portion, allows the through hole to communicate with the inside of the core member 11, and bends each protruding piece with respect to the central portion along the side surface 1b of the cylindrical body 1. It is comprised so that it can fix with a male side surface fastener and a female side surface fastener in the state which piled up adjacent protrusion pieces, respectively. Each end cover 12 can be unfolded and stored in the core 11. The side cover 13 is provided so as to cover the side surface 1 b of the cylindrical body 1 whose both ends are covered with the end covers 12. The side cover 13 can be rolled and stored inside the core 11. [Selection] Figure 1

Description

  The present invention relates to a packing material for a cylindrical body for packing a cylindrical body formed by winding a long article such as a film original fabric into a cylindrical shape.

  Conventionally, as a method of packing a cylindrical body wound in a cylindrical shape such as a film original fabric, there are a method of covering a cylindrical body by wrapping kraft paper, and a method of storing the cylindrical body in a packing body made of a paper box. (For example, refer to Patent Document 1). In general, a thin long material such as a raw film is wound around a paper core and formed into a cylindrical shape.

JP-A-7-69341

  What is covered with conventional kraft paper and what is stored in a paper package will not be able to be used repeatedly and will be disposable because the craft paper and package will become wrinkled or damaged when used once. there were. For this reason, there existed a subject that those manufacturing costs and disposal cost increased. In addition, since the paper core material is scratched or damaged when used once, there is a problem that it cannot be used repeatedly and becomes disposable.

  The present invention has been made paying attention to such a problem, and an object thereof is to provide an economical cylindrical packing material that can be used repeatedly.

  In order to achieve the above object, a cylindrical packing material according to the present invention is a cylindrical packing material for packing a cylindrical body obtained by winding a long object into a cylindrical shape. A cylindrical core material for winding, a pair of end covers for covering both ends of the cylindrical body, each of which can be assembled and deployed and can be deployed and housed in the core material; A side cover for covering the side surface of the cylindrical body that can be housed in the core and covered at both ends with each end cover is provided.

  The packing material for a cylindrical body according to the present invention is used for packing a cylindrical body formed by winding a long article such as a newspaper or an original film used for food packaging into a cylindrical shape. The packing material for a cylindrical body according to the present invention can be used repeatedly by making the core material, each end cover and the side cover made of a strong material that is not easily damaged, such as a synthetic resin. Therefore, it is economical because manufacturing costs and disposal costs can be reduced. Since each end cover and side cover can be folded or rolled and stored in the core, it is easy to store and collect. Thus, the cylindrical packing material according to the present invention can be used repeatedly as a returnable packaging, and does not have to be disposed of each time it is used.

  Moreover, the cylindrical packing material according to the present invention can be recycled as a recycled material even when it is damaged by making the core material, each end cover or side cover made of synthetic tree. For this reason, it is possible to effectively use resources without generating new waste. By forming the core material, each end cover or side cover from a material that is resistant to impact such as plastic cardboard, it is possible to prevent damage to the cylindrical body such as the original film during transportation and storage.

  In the cylindrical packing material according to the present invention, the end cover includes an annular central portion having a through hole in the center, a plurality of protruding pieces extending radially from the periphery of the central portion, and one of the protruding pieces. A male side surface fastener provided on the surface of each of the protrusions and a female side surface fastener provided on the other surface of each protruding piece, the end surface of the cylindrical body is covered with the central portion, and the through hole is formed inside the core member. Can be fixed with the male side fastener and the female side fastener in a state in which each protruding piece is bent along the side surface of the cylindrical body with respect to the central portion and the adjacent protruding pieces are overlapped with each other. It is preferable that it is comprised.

  In this case, each end cover can be easily manufactured by processing each sheet material. For this reason, according to the magnitude | size of a cylindrical body, the edge part cover from which a magnitude | size differs can be manufactured easily. Moreover, since each edge part cover is a sheet form, it is easy to accommodate in the inside of a core material. The projecting piece has 6 to 9 sheets, particularly 8 sheets, in order to minimize the time and effort required for folding, and to bend easily with respect to the central portion and to form a smooth shape along the side surface shape of the cylindrical body when folded. Preferably it consists of:

  According to the present invention, it is possible to provide an economical packing material for a cylindrical body that can be used repeatedly.

(A) A perspective view when one end cover is attached, (b) A perspective view when a pair of end covers are attached, showing a cylindrical packing material according to an embodiment of the present invention, (c) Furthermore, it is a perspective view when a side part cover is attached. It is (a) front view of the edge part cover of the packing material for cylindrical bodies shown in FIG. 1, (b) It is a rear view. It is a front view which shows the side part cover of the packing material for cylindrical bodies shown in FIG.

Embodiments of the present invention will be described below with reference to the drawings.
1 to 3 show a cylindrical packing material according to an embodiment of the present invention.
As shown in FIG. 1, the packing material for a cylindrical body according to the embodiment of the present invention is a packing material for a cylindrical body for packing a cylindrical body 1 formed by winding a long object into a cylindrical shape. 11 and a pair of end cover 12 and side cover 13.

  As shown in FIG. 1, the core material 11 is made of hard resin and has a cylindrical shape. The core material 11 has a predetermined length according to the width of the long object in order to wind up the long object. The core material 11 serves as a winding core of the cylindrical body 1. The cylindrical body 1 is formed in a cylindrical shape by winding a thin long object such as a newspaper or a raw film used for food packaging along the outer surface of the core material 11.

  As shown in FIG. 2, each end cover 12 is made of plastic corrugated cardboard and has a thin sheet shape. Each end cover 12 has a central portion 21 and a plurality of, preferably eight protruding pieces 22. The center part 21 has a circular through hole 21a in the center and forms an annular shape. The central portion 21 has the same outer diameter as the outer diameter of the cylindrical body 1. The diameter of the through hole 21a is preferably an intermediate diameter between the inner diameter and the outer diameter of the core material 11.

  The protruding pieces 22 are provided at equiangular intervals with respect to the center of the central portion 21 so as to extend radially outward from the periphery of the central portion 21. Each protruding piece 22 is formed so that the width gradually increases from the connection position 22a with the central portion 21 toward the outer end portion 22b. Each protruding piece 22 is formed so that there is no gap between the adjacent protruding piece 22 at the connection position 22a with the central portion 21 and the gap between the adjacent protruding pieces 22 gradually widens toward the outer end 22b. Has been.

  Each end cover 12 includes a male side surface fastener 23 provided on the outer end 22b on one surface of each protruding piece 22, and a female provided on the outer end 22b on the other surface of each protruding piece 22. Side fasteners 24 are provided. The male side fastener 23 and the female side fastener 24 are detachable from each other. Each end cover 12 can be assembled in a cup shape by bending each protruding piece 22 with respect to the central portion 21 and bonding the male side surface fastener 23 and the female side surface fastener 24 together. The central portion 21 can be deployed so as to be flat.

  As shown in FIGS. 1 (a) and 1 (b), the end cover 12 covers the both end faces 1a of the cylindrical body 1 with a central portion 21 so that the through hole 21a communicates with the inside of the core member 11, and each protruding piece 22 is a male side surface fastener in a state where the protruding portions 22 are overlapped with each other at a connecting position 22a with the central portion 21 at a connecting position 22a along the side surface 1b of the cylindrical body 1 in a direction perpendicular to the central portion 21. 23 and the female side fastener 24 can be fixed. Thus, each end cover 12 covers both ends of the cylindrical body 1.

  As shown in FIG. 3, the side cover 13 is made of plastic corrugated cardboard and has a rectangular thin sheet shape. The side cover 13 has the same width as the length of the cylindrical body 1, and has a length in which both end portions 13 a and 13 b overlap when wound along the side surface 1 b of the cylindrical body 1. The side cover 13 includes a plurality of (for example, three) male side surface fasteners 25 provided at predetermined intervals along one end portion 13a on one surface, and the other end portion 13b on the other surface. And a plurality of (for example, three) female side fasteners 26 provided at positions corresponding to the male side fasteners 25. The male side fastener 25 and the female side fastener 26 are detachable from each other.

  As shown in FIG. 1C, when the side cover 13 is wound along the side surface 1b of the cylindrical body 1 whose both ends are covered with each end cover 12, both ends 13a and 13b overlap each other. It is comprised so that it may fix with each male side surface fastener 25 and each female side surface fastener 26 corresponding to each. At this time, the side cover 13 covers each protruding piece 22 of each end cover 12 and the exposed side surface 1b of the cylindrical body 1.

  The cylindrical packing material according to the embodiment of the present invention can be accommodated inside the core material 11 so that the end cover 12 and the side cover 13 are rounded so as not to protrude from both ends of the core material 11. Yes.

Next, the operation will be described.
The packing material for a cylindrical body according to an embodiment of the present invention is used for packing a cylindrical body 1 formed by winding a newspaper or a film raw material used for food packaging into a cylindrical shape. First, as shown in FIGS. 1 (a) and 1 (b), the cylindrical packing material according to the embodiment of the present invention has both end portions of the cylindrical body 1 formed by being wound around the core material 11, respectively. Cover with each end cover 12. At this time, both end surfaces 1a of the cylindrical body 1 are covered with the central portion 21 of each end cover 12, and each protruding piece 22 is connected to the central portion 21 at a connecting position 22a along the side surface 1b of the cylindrical body 1 with the central portion 21. Bend at a right angle to. If the adjacent protruding pieces 22 are overlapped, the male side fastener 23 and the female side fastener 24 of the overlapping portion are bonded together. Since the protruding piece 22 is made of a thin sheet-like plastic corrugated cardboard, the protruding piece 22 can be easily bent with respect to the central portion 21 and can be smoothly formed along the shape of the side surface 1b of the cylindrical body 1 when bent.

  If each end cover 12 covers both ends of the cylindrical body 1, the side cover 13 is wound along the side surface 1 b of the cylindrical body 1 as shown in FIG. At this time, since both end portions 13a and 13b of the side cover 13 overlap, the male side surface fasteners 25 and the corresponding female side surface fasteners 26 are bonded together. Thereby, each protruding piece 22 of each end cover 12 and the exposed side surface 1 b of the cylindrical body 1 can be covered with the side cover 13. Thus, the cylindrical body 1 can be packed with the cylindrical body packing material according to the embodiment of the present invention.

  When the cylindrical body 1 is packed, since the through holes 21a of the end covers 12 communicate with the inside of the core material 11, a finger or a rod is inserted into the core material 11 from the through holes 21a for transportation and storage. Can be easily. Further, since the core material 11, each end cover 12 or the side cover 13 are made of hard or plastic corrugated resin resistant to impacts, the cylindrical body 1 such as a film raw material is prevented from being damaged during transportation or storage. be able to.

  The packing material for a cylindrical body according to the embodiment of the present invention is a bag as compared with a paper-made one because the core material 11, each end cover 12 and the side cover 13 are made of resin such as plastic cardboard. Hard to be scratched or damaged. For this reason, it can be used repeatedly, and the manufacturing cost and the disposal cost can be reduced compared with the case of disposable, which is economical. Since each sheet-like end cover 12 and side cover 13 can be folded or rolled and stored in the core 11, storage and recovery after use are easy. As described above, the cylindrical packing material according to the embodiment of the present invention can be used repeatedly as a returnable packaging, and does not have to be disposed of each time it is used.

  The cylindrical packaging material according to the embodiment of the present invention can easily manufacture each end cover 12 and side cover 13 by processing one sheet material. For this reason, according to the magnitude | size of the cylindrical body 1, the edge part cover 12 and the side part cover 13 from which a magnitude | size differs can be manufactured easily. Further, since the core material 11, each end cover 12 or the side cover 13 is made of resin such as plastic cardboard, it can be recycled as a recycled raw material even if it is damaged. For this reason, it is possible to effectively use resources without generating new waste.

DESCRIPTION OF SYMBOLS 1 Cylindrical body 11 Core material 12 End cover 21 Center part 21a Through-hole 22 Projection piece 23 Male side fastener 24 Female side fastener 13 Side cover 25 Male side fastener 26 Female side fastener

Claims (2)

A packing material for a cylindrical body for packing a cylindrical body formed by winding a long object into a cylindrical shape,
A cylindrical core for winding the elongated object;
A pair of end covers for covering both ends of the cylindrical body, each of which can be assembled and deployed and can be deployed and housed in the core;
A side cover for covering the side surface of the cylindrical body, which can be housed in the core and covered at both ends with each end cover;
A packing material for a cylindrical body, comprising: The end cover includes an annular central portion having a through hole in the center, a plurality of protruding pieces extending radially from the periphery of the central portion, and a male side surface fastener provided on one surface of each protruding piece, A female side surface fastener provided on the other surface of each protruding piece, covering the end surface of the cylindrical body with the central portion, communicating the through hole with the inside of the core member, and connecting each protruding piece to the cylinder Folded along the side of the body with respect to the central portion, and is configured to be fixable with the male side fastener and the female side fastener in a state where adjacent protruding pieces are overlapped with each other, The cylindrical packing material according to claim 1.

Images