JP6652800B2 - Film roll edge protection - Google Patents

Description

  The present invention relates generally to film roll end protectors, and more particularly to a film roll end protector that is improved to avoid wrinkling on the sides of the film roll.

  FIG. 6 is a diagram illustrating a conventional film roll end face protection device. First, a pair of end face protectors 1 for protecting the end faces of the film roll as shown in FIG. The end face protection device 1 includes a protruding portion 2 that fits into the hollow portion of the core of the film roll, and a plate-shaped support member 4 having a hole 3 for inserting the protruding portion 2 at the center. The protrusion 2 is formed of, for example, plastic. As shown in FIG. 6B, the end face protector 1 inserts the protrusion 2 into the hollow portion of the core 6 of the film roll 5, so that buffer members (not shown) are provided on both end faces of the film roll 5. Placed through. The film roll 5 is, for example, a heat-shrinkable cylindrical label, a stretch label, or another film wound around a core in a roll shape. The end face protector 1 receives both ends of the core 6 of the film roll 5.

  In this state, the film roll 5 is set up vertically and stored in a warehouse or the like, packed in a cardboard box, and transported to a customer by a truck or the like. If the end protector 1 is not attached, the film roll 5 moves in the cardboard box and the end face of the film roll 5 may be damaged. The movement in the box is regulated to prevent the film roll 5 from being damaged.

  However, the conventional film roll conveying tool 1 has the above-mentioned advantages, but as shown in FIG. 6C, when the film roll 5 is tilted during storage in a warehouse or during distribution, the end face of the film roll 5 There is a problem that the outer peripheral portion is pressed against the plate-shaped support member 4 and wrinkles 7 are generated on the wall surface of the film roll.

  In order to solve such a problem, Patent Document 1 proposes a film roll end face protector shown in FIG. The end face protection device 1 disclosed in Patent Literature 1 includes a plate-shaped support member having a hole at the center for inserting a protruding portion that fits into a hollow portion of a core of a film roll 5. The film roll 5 is disposed on both end surfaces of the film roll 5 with the buffer member 12 interposed therebetween. 6 is different from the end face protector shown in FIG. 6 in that a slope is formed on the outer peripheral portion of the plate-like support member and a gap 9 is provided so that when the film roll 5 is inclined as shown in FIG. In addition, a point where the outer peripheral portion of the end face of the film roll 5 escapes is formed, and wrinkles are prevented from being generated on the wall surface of the film roll 5.

JP 2005-187199 A

  However, in the technology disclosed in Patent Document 1, as shown in FIG. 7C, when a plurality of film rolls 5 are arranged in parallel, there is a problem that adjacent film rolls 5 rub against each other and suffer damage 15 from each other. Was.

  The present invention has been made in order to solve the above-described problems, and does not cause wrinkles on the wall surface when the film roll is tilted during storage, even when a plurality of film rolls are arranged in parallel. It is another object of the present invention to provide an improved film roll end face protector such that adjacent film rolls do not rub against each other.

The present invention relates to a film roll end face protector that is disposed on an end face of a film roll, and stands upright in the vertical direction to protect the end face, and inserts a protrusion that fits into a hollow portion of a core of the film roll. And a plate-shaped support member having a hole at the center. On the surface of the plate-shaped support member, a ring-shaped groove whose outer periphery is surrounded by a fence is formed concentrically around the hole. The outer diameter of the ring-shaped groove is larger than the diameter of the film roll, and the inner diameter of the ring-shaped groove is smaller than the diameter of the film roll. The plate-like support member is composed of a rigid body made of wood or plastic, the plate-like support member, a space extending through in the thickness direction is provided with a plurality, radially in the thickness portion.

  According to the present invention, the ring-shaped groove is a place where the outer peripheral portion of the end face of the film roll escapes when the film roll is inclined. A wall surrounding the outer periphery of the ring-shaped groove prevents the adjacent film rolls from rubbing each other when a plurality of film rolls are arranged in parallel.

  According to a preferred embodiment of the present invention, a wall surface on an inner peripheral side of the ring-shaped groove has a slope descending in a direction toward the wall.

  The bottom surface of the ring-shaped groove may be formed as a semicircle that is recessed downward in a semicircular shape.

  It is preferable that the outer diameter, the inner diameter, and the depth of the ring-shaped groove are selected so as to form a space where the outer peripheral portion of the end face of the film roll can escape when the film roll is inclined.

  The end protector of the film roll is preferably made of wood or plastic.

  ADVANTAGE OF THE INVENTION According to this invention, when a film roll inclines, the outer peripheral part of the end surface of a film roll escapes when a film roll inclines, and it prevents that the wall surface of a film roll wrinkles generate | occur | produces. A fence surrounding the outer periphery of the ring-shaped groove prevents adjacent film rolls from rubbing each other, and prevents damage due to rubbing between adjacent film rolls.

FIG. 1A is a perspective view of a film roll end face protector according to Example 1 of the present invention, FIG. 1B is a cross-sectional view taken along line BB in FIG. 1A, and FIG. It is an exploded view. 6A and 6B are diagrams for explaining the operation of the film roll end face protection device according to the first embodiment. FIG. 3 is a conceptual diagram when a plurality of end face protection devices according to the first embodiment are mounted on a film roll and arranged in parallel. FIG. 9 is a cross-sectional view when a pair of film roll end face protection devices according to Example 2 is mounted on a film roll. FIG. 10 is a perspective view of a film roll end face protection device according to a third embodiment. (A) is a perspective view of a conventional film roll end face protector, (B) is a perspective view when a conventional end face protector is attached to a film roll, and (C) is a view showing the problem. is there. (A) is a cross-sectional view when an end face protector according to another conventional example is mounted on a film roll, (B) is a conceptual diagram illustrating the operation thereof, and (C) is a diagram illustrating the problem. It is.

  An improved film roll so that adjacent film rolls do not rub against each other, even when the film rolls are tilted during storage and do not cause wrinkles on their walls, and even when a plurality of film rolls are arranged in parallel. The purpose of obtaining an end face protector is to provide a place on the surface of the plate-like support member for protecting the end face of the film roll, where the outer periphery of the end face of the film roll escapes when the film roll is inclined, and further comprising a plurality of film rolls. This is realized by providing a fence that blocks adjacent film rolls from contacting each other when they are arranged side by side. Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the respective drawings, the same or corresponding portions have the same reference characters allotted, and description thereof will not be repeated.

  1 (A), 1 (B) and 1 (C), a film roll end face protector 1 according to the present invention is disposed on an end face of a film roll, and the film roll is erected in a vertical direction to set the end face. To protect. The film roll end face protection device 1 includes a plate-shaped support member 4 having a hole 3 at the center for inserting the protrusion 2 fitted into the hollow portion of the core of the film roll 5. The plate-like support member 4 is formed of, for example, a curable plastic made of polypropylene. A groove 11 (hereinafter referred to as a ring-shaped groove 11) formed concentrically around the hole 3 on the surface of the plate-shaped support member 4 and surrounded by a fence 10, and dug in a ring shape in plan view. Is abbreviated). The height of the fence 10 is equal to the thickness of the plate-like support member 4, but is not limited to this. The diameter M on the outer peripheral side of the ring-shaped groove 11 is larger than the diameter of the film roll 5, and the diameter N on the inner peripheral side of the ring-shaped groove 11 is smaller than the diameter of the film roll 5. For example, a rubber non-slip member may be provided on a portion of the plate-shaped support member 4 which is in contact with the floor surface.

  The bottom surface of the ring-shaped groove 11 is flattened. The inner peripheral wall surface 13 of the ring-shaped groove 11 has a slope descending toward the wall 10. The wall surface on the outer peripheral side of the ring-shaped groove 11 is perpendicular to the surface of the plate-shaped support member 4 in the embodiment, but may be a slope descending toward the inner peripheral side. The outer diameter M, the inner diameter N, and the depth of the ring-shaped groove 11 are selected so as to form a space in which the outer peripheral portion 8 of the end face of the film roll 5 can escape when the film roll 5 is inclined.

  Next, the operation will be described.

  As shown in FIG. 2A, the end face protection device 1 is disposed on both end surfaces of the film roll 5 via the buffer members 12 by inserting the protruding portion 2 into the hollow portion of the core 6 of the film roll 5. You. According to the present invention, as shown in FIG. 2B, when the film roll 5 is inclined, the ring-shaped groove 11 becomes a place where the outer peripheral portion 8 of the end face of the film roll 5 escapes. Since no pressure is applied to the wall surface, the wrinkles seen in the conventional example shown in FIG.

  Also, as shown in FIG. 3, even when a plurality of film rolls 5 are arranged, the wall 10 surrounding the outer periphery of the ring-shaped groove 11 prevents the adjacent film rolls 5 from rubbing each other, and Prevents damage due to rubbing of the roll 5.

  As shown in FIG. 4, the bottom of the ring-shaped groove 11 formed on the surface of the plate-shaped support member 4 may have a semi-circular shape having a cross-sectional shape recessed downward in a semi-circular shape. Other configurations are the same as in the first embodiment. Even with such a configuration, when the film roll 5 is inclined, the ring-shaped groove 11 is a place where the outer peripheral portion 8 of the end face of the film roll 5 escapes, and no pressure is applied to the wall surface of the film roll 5.

  FIG. 5 is a perspective view of a film roll end face protector according to the third embodiment. Only the point that a space portion 14 penetrating the thickness portion is provided in the plate-shaped support member 4 is different from the film roll end face protector according to the first embodiment. The plate-shaped support member 4 is formed by processing from a curable plastic made of polypropylene, and is a rigid body as a whole. By making the plate-like support member 4 a rigid body, the support of the film roll can be stably maintained in the stationary state. The plate-like support member 4 is provided with a space portion 14 for avoiding stress concentration at a thickness portion thereof. The ratio occupied by the space 14 in the outer peripheral direction is slightly higher than that in the inner peripheral direction. The space portions 14 are provided radially, for example, at intervals of 15 °. In addition, by arranging such spaces 14 in alignment, the weight of the plate-shaped support member 4 itself can be reduced. Further, a material having high fluidity such as polypropylene causes distortion if the cooling is not performed sufficiently during molding. However, the provision of the space portion 14 increases the cooling efficiency and can prevent the plate-shaped support member 4 from being deformed. .

  The embodiments disclosed this time are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  The film roll end face protection device of the present invention prevents wrinkles from being generated on the wall surface of the film roll. A fence surrounding the outer periphery of the ring-shaped groove prevents adjacent film rolls from rubbing each other, and prevents damage due to rubbing between adjacent film rolls.

DESCRIPTION OF SYMBOLS 1 End-face protection tool 2 Projecting part 3 Hole 4 Plate-like support member 5 Film roll 6 Core 7 Wrinkle 8 Outer peripheral part of end face of film roll 9 Void 10 Wall 11 Ring groove 12 Buffer member 13 Inner peripheral wall surface 14 Space part 15 damage

Claims (1)

A film roll end face protector disposed on an end face of the film roll and protecting the end face by standing the film roll in a vertical direction,
A plate-shaped support member having a hole at the center for inserting a protrusion fitted into the hollow portion of the core of the film roll,
On the surface of the plate-shaped support member, a ring-shaped groove whose outer periphery is surrounded by a fence is formed concentrically around the hole,
The diameter of the outer periphery of the ring-shaped groove is larger than the diameter of the film roll, and the inner diameter of the ring-shaped groove is smaller than the diameter of the film roll,
The plate-like support member is constituted by a rigid body made of wood or plastic, space penetrating in the thickness direction in the thickness portion is provided with a plurality, radially, the film roll end face protection.

Images