JP4789697B2 - Roll product protector - Google Patents

Description

  The present invention relates to a roll product protector for protecting an end face of a roll product formed by winding a strip of plastic film, paper or the like around a core, and more particularly, the mounted roll product protector is a roll product core. It is related with the protector for roll products which prevented slipping out from or coming off.

Conventionally, when transporting and storing wide strips such as plastic films, plastic sheets, paper, etc., these strips are wound around the core to form a roll product, and the strips are side by side during transport and storage. In order to prevent them from slipping out into the shape of bamboo shoots and scratching the sides, they were transported and stored with roll protectors assembled. There exists a thing like patent document 1 as a protector for roll products used for such a purpose. This is used by inserting a cylindrical portion protruding from a rectangular substrate portion into the core of a roll product.
Utility model registration No. 2604907

  However, although the above-mentioned protector for roll products can be suitably used if the end of the core is in the same plane as the end surface of the roll product, the substrate is used when the end of the core protrudes from the end surface of the roll product. There is a disadvantage that the portion cannot be used because it does not contact the end face of the roll product.

Further, a gap between the end face of the storage or during Suberidashi substrate portion side surface and the strip cylindrical portion from the central core during transport, or Suberidashi the bamboo shoot-like strip is laterally or foreign particles into the gap In the worst case, the protector may come off from the center.

  The present invention eliminates the problems of the conventional protectors for roll products as described above, and can be applied when the end of the core protrudes from the end face of the roll product, and prevents slipping out and detachment from the core. An object of the present invention is to provide a protector for rolled products.

The present invention according to claim 1 for solving the above-mentioned problem is inserted into both ends of the core of a roll product formed by winding a strip of plastic film, paper or the like around the core, and the strip A roll product protector that is in contact with
The inner core side includes a base plate portion having a flat inner surface and a center core receiving through hole formed in the center of the substrate portion. The center core receiving through hole is longer in the axial direction in the circumferential direction of the inner peripheral surface of the center core receiving through hole. parallel to the center axis slip collision conditions of the column set, 該滑Ri stop ridge contents roll products protector, characterized in that attached low gradient high inner surface on the outer surface side of the substrate portion And

The present invention according to claim 2, slip collision conditions to the contents of the rolled products protector according to claim 1, characterized in that 3 to 16 columns.

According to a third aspect of the present invention, there is provided the roll product protector according to the first or second aspect, wherein a reinforcing rib is provided on the outer surface side of the substrate portion.

The present invention according to claim 4 is characterized in that the roll product protector according to any one of claims 1 to 3 , wherein the core of the roll product is made of paper, plastic or metal. To do.

The present invention according to claim 5 is characterized by the roll product protector according to any one of claims 1 to 3 , wherein the core of the roll product is made of paper.

The present invention according to claim 6 is characterized in that the roll product protector according to any one of claims 1 to 5, wherein a retaining auxiliary sheet is brought into contact with the outer surface of the protector. To do.

According to the seventh aspect of the present invention, the base portion abuts against the outer surface of the protector by press-fitting the protruding portion of the end cap having the flat base portion and the protruding portion at the center into the inner end portion of the core. The roll product protector according to any one of claims 1 to 5, wherein the protector is for a roll product.

Rolled products protector of the present invention, the frictional force between the inner surface of the corrugated medium and the corrugated medium receiving through hole for the central core receiving slip collision condition on the inner peripheral surface of the through-holes are formed is increased, roll products Troubles such as the protector slipping out of the core or coming off are prevented.

By arrayed in the circumferential direction of the inner peripheral surface of the central core receiving through hole of the stopper collision conditions slide down, easily the effect is exhibited.

Consists slip ridges the slip stop collision condition has long in the axial direction than the circumferential direction, by providing in parallel with the center axis of the central core receiving through holes, easily bite into the center core surface, the frictional force is large Become. Therefore, the effect of preventing the protector from slipping out and detaching from the core is increased.

By the slip stopper protrusion is attached a low gradient at high inner surface on the outer surface side of the substrate portion, a high gradient from a low gradient when inserted into the central core of the protector, i.e., sequentially inserted into the small diameter from large diameter Therefore, it is easy to insert, and as it is inserted, the frictional force is increased so that the non-slip ridge bites into the surface of the core, and as a result, the sliding out and detachment from the center of the protector is more effective. Is prevented.

By 3-16 set columns a number of the slip stop collision Article, difficult Suberidashi than the corrugated medium is rolled products for the protector, and insertion and removal is likely to appropriate frictional force to the core in the protector can be obtained.

By providing the reinforcement rib on the outer surface side of the substrate portion, without roll products being damaged, having sufficient strength with a small amount of resin, inexpensive rolled products protector lightweight can be obtained by the reinforcing ribs .

Corrugated medium is made of paper, plastic, preferably made of metal, in particular, in the case of rolled products made of paper, the corrugated medium receiving slip collision condition is the central core surface provided on the inner peripheral surface of the through hole It is easy to bite in. As a result, a larger frictional force is obtained, and slipping out and detachment from the protector core are more reliably prevented.

Next, the protector for roll products of this invention is demonstrated based on drawing.
Incidentally, FIG. 1 is a roll product for schematic perspective view of the protector of the present invention, FIG. 2 is a sectional view of the core receiving through-hole therein, FIG. 3-5 is a circumferential cross section view of the cleat collision Article for use in the present invention It is.
Figure 6 is an axial sectional view of the cleat collision Article that will be used in the present invention, FIG. 7 (a) axial cross-sectional view of the cleat impact Article in Example 1, FIG. 7 (b) slip butt condition and It is the schematic which shows the relationship with a center core.
FIG. 8 is a plan view of the second embodiment when viewed from the outer surface side, and FIG. 9 is a sectional view taken along the line AA.
FIG. 10 is a plan view of the third embodiment as viewed from the outer surface side, and FIG. 11 is a cross-sectional view taken along the line AA.
12 (a) is explanatory view showing a method of attaching the rolled products protector of the present invention in a roll product, the (b) is the usage diagram of the roll product rolled products protector of the present invention is mounted .
FIG. 13 is an explanatory diagram of a use situation showing another aspect of the roll product to which the protector for roll product of the present invention is attached.
In the figure, 1 is a protector for roll products of the present invention, 2 is a substrate portion, 2a is an inner surface side, 2b is an outer surface side, 3 is a reinforcing rib, 4 is a core receiving through hole, 4a is a cylindrical portion, 4b is an inner circumferential surface, 5 respectively represent a collision condition slip.
R represents a roll product, R1 represents an inner core, S represents an auxiliary sheet for retaining, E represents an end cap, and E1 represents a protruding portion.

As shown in FIG. 1, the roll product protector 1 of the present invention is provided on the substrate portion 2, the center core receiving through hole 4 drilled in the center thereof, and the inner peripheral surface 4 b of the center core receiving through hole 4. consisting of non-slip collision Article 5.

The substrate 2 is a portion that abuts protect it on the end face of the roll product R (see FIGS. 12 to 13). The size is not particularly limited, and an appropriate size may be selected according to the size of the roll product R. The thickness is not particularly limited, and an appropriate thickness may be selected in consideration of strength necessary for protecting the roll product, ease of handling, and the like. The shape is not particularly limited as long as it is a plate shape, but a square is considered to be most suitable in consideration of convenience of storage and transportation such as rolling prevention.

  The substrate portion 2 comes into contact with the roll product R on the inner surface side 2a. Therefore, the inner surface side 2a needs to be flat so as not to damage the end surface of the roll product R. Here, “flat” may be substantially flat so as not to damage the end of the roll product.

Reinforcing ribs 3 can be provided on the outer surface side 2 b of the substrate portion 2. Thereby, sufficient intensity | strength can be maintained, aiming at weight reduction of the protector 1 for roll products. Moreover, since the amount of resin can be reduced, an inexpensive protector can be provided. Although the shape of the reinforcing rib 3 is not particularly limited, for example, those shown in FIGS. 8 and 10 can be employed.

A central core receiving through hole 4 is formed in the center of the substrate portion 2 (see FIG. 1 and the like). The size of the center core receiving through hole 4 may be appropriately determined according to the diameter of the roll product R because the center core R1 of the roll product R is inserted into the center core receiving through hole 4 (see FIGS. 8 and 10 ). In addition, the cylindrical part 4a connected with the center core receiving through-hole 4 may protrude in the outer surface side of the board | substrate part 2 (refer FIG. 9 ).

The inner peripheral surface 4b of the core receiving through hole 4 in the substrate 2, the slip butt Article 5 are provided (see FIG. 2).
The shape of slip collision Article 5 is long in the axial direction than the circumferential direction, is not particularly limited as long as low at high inner surface 2a at the outer surface side 2b, for example, the cross-sectional shape is semicircular (see Figure 3), rectangular (see FIG. 4), those like the triangle (see FIG. 5) can be exemplified. These slip ridges are substantially disposed in parallel with the center axis of the central core receiving through hole 4. Slip collision Article 5 can be provided only on a part of the central core receiving through holes 4 as shown in FIG. However, as shown in FIG. 7 , it is more preferable to provide it over substantially the entire length of the core receiving through hole 4 because a strong frictional force can be obtained. In addition, when it has the cylindrical part 4a, it can be extended also to the cylindrical part 4a.
Further, non-slip ridges in the present invention, as shown in Figure 7, since the low gradient high inner surface 2a at the outer surface side 2b to slip ridges 5 are attached, inserted easily and medium in the central core The protector 1 for roll products which cannot be easily detached from the core is obtained.

The slip butt Article 5 but are randomly or regularly provided on the inner peripheral surface of the central core receiving through hole 4, preferably, it is regularly arrayed in the circumferential direction of the inner circumferential surface. The provision, it is possible to uniformly exert the effect of slip collision Article 5 regardless of the direction of whether the inner circumferential surface.

The size of the slip collision Article 5, the size of the roll product is appropriately determined by the inner core size and material of, for example, size 1 side 40~50cm about the substrate portion, the size of the central core diameter 15 In the case of about 20 cm , the range of about 1 to 3 mm is preferable.
Further, from the viewpoint of the effect of the number present invention to columns set the slip collision Article 5 may be the number that can be exhibited, it is easy to have insertion and removal of the central core, and inadvertent withdrawal of the central core is prevented Is preferably 3 to 16 rows.

The material of the protector 1 for roll products in the present invention is not particularly limited as long as it has an appropriate rigidity such as plastic, metal, wood, etc., and can protect the end face of the roll product R. However, the formability (formability), colorability, Plastic is preferable from the viewpoint of cost and the like.
Although it does not restrict | limit especially as a plastic used for this invention, Polyolefin resin, such as polyethylene and a polypropylene, Polystyrene resin, Polyvinyl chloride resin, Polyamide resin, Polyester resin, ABS resin, AS resin etc. are mentioned.

The roll product to which the protector for roll products of the present invention is applied is a product obtained by winding a long strip of plastic film, paper, cloth or the like around a core. Examples of the core include paper, plastic, and metal. The protector of the present invention is particularly suitable for a roll product using a paper core. That is, when applying the protector of the present invention to a roll product with a core in the made of paper, cut into the central core receiving the inner circumferential surface slip provided stop collision strip surface in made of paper core of the through hole, the protector It is possible to more reliably prevent slipping out and separation from the core.

Will now be described with reference to examples of usage of rolled products protector 1 of the present invention in FIGS. 12 to 13.
One method of use is as shown in FIG. 12, in which the center R1 of the roll product R is inserted into the center core receiving through hole 4 of the roll product protector 1 so that the roll product protector 1 is brought into contact with the end face of the roll product R. Make contact. At this time, the roll product R is inserted from the flat inner surface 2a so as not to damage the end surface.

Moreover, you may contact | abut the auxiliary | assistant sheet | seat S (refer FIG. 12 ) for retaining | holding to the outer surface 2b of the protector 1 for roll products as needed. The auxiliary sheet S for retaining here is a sheet having elasticity and elasticity, such as a cardboard paper or a foamed plastic, in which a hole slightly smaller than the diameter of the center core R1 is formed in the center. The intermediate core R1 is press-fitted into the roll, and the auxiliary sheet S for retaining and the protector 1 for roll products are used so as to overlap each other. If it does in this way, the frictional force between the auxiliary | assistant sheet | seat S for slipping-off and the center core R1 will be added, and the protector 1 for roll products will become further difficult to detach | leave. This method is particularly effective when the length of the core R1 protruding from the end of the roll product R is long.

As another usage method, as shown in FIG. 13 , the end cap E may be fitted inside the end portion of the core R <b> 1. The end cap E referred to here has a hat-like shape in which a protrusion E1 is provided at the center of a flat base, and the protrusion E1 is used by being press-fitted inside the end of the core R1. If it does in this way, the frictional force between center core R1 and protrusion part E1 will be added, and detachment | leave of the protector 1 for roll products can be prevented more effectively. This method is particularly effective when the length of the center core R1 protruding from the end of the roll product R is short and the auxiliary sheet S for preventing slipping cannot be mounted.

Incidentally, methods of use described above, as shown in FIGS. 1 and 11 are suitable for roll products protector 1 has no portion which substantially protrude to the outer surface side 2b, as shown in FIG. 9, projects The present invention can also be applied to a roll product protector 1 having a portion (tubular portion 4a).

Example 1
The outer shape of Example 1 of the protector 1 for roll products of the present invention is the same as that shown in FIG . In the first embodiment, the substrate portion 2 is square, and a center core receiving through hole 4 is formed in the central portion. The inner peripheral surface of the central core receiving through hole 4 is non-slip butt Article 5 of the central axis parallel to 16 columns of the long central core receiving through hole in the axial direction is provided.
As shown in FIG. 7 (a), projections (circumferential direction of the cross-sectional shape is triangular as shown in FIG. 5) is provided over the entire length of the slip collision Article 5 is the central core receiving through holes 4 made of, the slip low gradient in high inner surface 2a at the outer surface side 2b to the impact of Article 5 that have been attached. Accordingly, as shown in FIG. 7 (b), easy to insert the corrugating R1 in the central core receiving through holes 4, also strongly pressed against the surface of the slip collision Article 5 is the central core R1 according to insert, for example, paper In the case of the manufactured core, since it bites into the surface of the core, a larger frictional force can be obtained, and therefore, a greater effect of preventing slippage from the core of the protector and preventing separation can be obtained.

Example 2
Example 2 is an example in which the reinforcing rib 3 on an outer surface 2b on which thin street, the substrate 2 shown in FIG. Therefore, it is lightweight and has sufficient strength, and the amount of resin is reduced, so that it is inexpensive. A center core receiving through hole 4 is provided in the center of the substrate portion 2, and a cylindrical portion 4a is extended on the outer surface side 2b. Therefore the inner circumferential surface 4b is longer in the axial direction, it can be provided slip collision Article 5 consisting of that amount long ridge (see Fig. 9). Incidentally, it is provided slip collision Article 5 of Example 2, eight ridges.

Example 3
As shown in FIG. 10 , the third embodiment is an example in which the reinforcing rib 3 is provided on the outer surface 2 b after the substrate portion 2 is thinned as in the second embodiment. A center core receiving through hole 4 is provided at the center of the substrate portion 2, but the cylindrical portion 4 a is not provided. Therefore, the roll product protector 1 of this embodiment 3 has no part in particular projecting on the outer surface side 2b (refer to FIG. 11), if necessary, stop auxiliary sheet S and end missing shown in FIGS. 12 and 13 Cap E is easy to apply. Incidentally, it is provided slip collision Article 5 of Example 3 in 6 rows.

As the ordination, it rolled products protector of the present invention, since the slip collision conditions of low gradients in high inner surface on the outer surface side of the substrate portion on the inner peripheral surface attached to the central core receiving through hole is provided As the core of the roll product is inserted into the core receiving through hole, the non-slip ridge strongly presses against the surface of the core, resulting in a large frictional force. Can be prevented and is extremely useful.

It is a schematic perspective view of the protector for roll products of this invention . It is a cross-sectional view of the central core receiving through-hole in FIG. 1. A circumferential cross-sectional view of the cleat collision Article for use in the present invention. A circumferential cross-sectional view of another slip collision Article for use in the present invention. A circumferential cross-sectional view of yet another slip collision Article for use in the present invention. It is an axial sectional view of the cleat collision Article that are used in the present invention. (A) is an axial sectional view of the cleat impact Article in Example 1, is a schematic diagram showing the relationship between the corrugated medium and the collision condition slip is (b). It is the top view which looked at Example 2 from the outer surface side. 6 is a cross-sectional view taken along line AA of Example 2. FIG. It is the top view which looked at Example 3 from the outer surface side. 6 is a cross-sectional view taken along line AA of Example 3. FIG. (A) is explanatory drawing which shows the method of attaching the protector for roll products of this invention to a roll product, (b) is a use condition explanatory drawing showing the roll product to which the protector for roll products is attached. It is another usage condition explanatory drawing showing the roll product to which the protector for roll products of this invention is attached.

1 rolled products protector 2 substrate portion 2a inner surface 2b outer surface 3 the reinforcing ribs 4 in the core receiving through hole 4a cylindrical portion 4b in the peripheral surface 5 slip collision conditions R-rolled products R1 in the core S retaining auxiliary sheet E End cap E1 Projection B Conventional protector for roll products

Claims (7)

A roll product protector that is inserted into both ends of the core of a roll product formed by winding a strip of plastic film, paper or the like around the core, and comes into contact with the strip ,
The inner core side includes a base plate portion having a flat inner surface and a center core receiving through hole formed in the center of the substrate portion. The center core receiving through hole is longer in the axial direction in the circumferential direction of the inner peripheral surface of the center core receiving through hole. a central axis parallel to slip collision condition is column set, 該滑Ri stop ridge roll products protector, characterized in that it low gradient given by high inner surface on the outer surface side of the substrate portion. Rolled products protector according to claim 1, slip collision condition is characterized by a 3 to 16 columns. Rolled products protector according to claim 1 or 2, characterized in that reinforcing ribs on the outer surface side of the substrate portion. The roll product protector according to any one of claims 1 to 3, wherein a core of the roll product is made of paper, plastic, or metal. The roll product protector according to any one of claims 1 to 3 , wherein a core of the roll product is made of paper. The roll product protector according to any one of claims 1 to 5, wherein a retaining auxiliary sheet is in contact with an outer surface of the protector. The base is abutted against the outer surface of the protector by press-fitting the protrusion of the end cap having a flat base and a protrusion at the center into the inner end of the core. Item 7. A roll product protector according to any one of Items 1 to 5.

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