JPH07267278A - Blank for pack box supporting-spacer - Google Patents

Abstract

PURPOSE:To make a pack box supporting-spacer of a required thickness easily and accurately in size, by simply folding a blank. CONSTITUTION:A blank 1 consists of a plurality of rectangular sections S (S1-S3) of the same shape. The sections S each can be easily folded along folding lines f1, f3, f5, and f7 to form mountains and along folding lines f2, f4, and f. to form valleys. Circular holes 2 with their centers on their corresponding folding lines, f1, f3, f5, and f7, are punched, stretching over adjacent sections S and forming a neat line in the longitudinal direction of the blank 1. A semicircular paper-pipe support part is made in the upper end edge of a support spacer, which is formed by folding the blank and superimposing the folded parts, by means of the holes without causing mutual displacement.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a roll formed by winding, for example, a long sheet-shaped prepreg, a cloth (woven cloth), a resin film, a steel foil, etc. around a core tube. Used when storing in a packaging box,
It relates to roll support spacers, so-called "pillows", and in particular to blanks for making such pillows.

[0002]

2. Description of the Related Art For example, a continuous sheet-shaped prepreg which is continuously manufactured is wound around a core tube such as a paper tube, a resin tube or a metal tube to form a roll, which is stored in a corrugated cardboard box.
At this time, when the roll is directly stored in the corrugated cardboard box, not only the bottom part of the roll directly contacts the corrugated cardboard box to be soiled, but also the entire load of the roll is applied to the bottom part of the roll. , This part of the prepreg that is still soft is locally loaded and crushed, resulting in uneven thickness in the longitudinal direction, which is a fatal defect as a product,
It's a problem. Therefore, such a prepreg roll or the like is usually stored in a cardboard box as shown in FIG.

That is, as shown in FIG. 8, a long sheet-shaped prepreg 101 is a central axis, for example, a paper tube 10.
A roll 100 is formed by winding the roll 2 on both ends with a predetermined length left. Paper tube 102 protruding from both ends of the roll
Both ends of are supported by the lower roll supporting spacers, that is, the supporting recesses 201 of the lower pillow 200 (the lower pillow at the opposite end is not shown), which are arranged to face each other in the cardboard box 103.
At this time, the height of the pillow 200 is set so that the bottom portion of the roll 100 does not contact the cardboard box 103. Further, an upper pillow 200 having the same shape as the lower pillow 200 is symmetrically arranged on the upper side of the lower pillow 200, and is held and fixed in such a manner that the paper tubes 102 are sandwiched between the two pillows 200 and 200, The cardboard box 103 is closed. Generally, the outer shape formed by the combined lower pillow 200 and upper pillow 200 is
It is formed in the same shape as the inner shape of the cardboard box 103.

As a result, the prepreg roll 100 housed in the cardboard box 103 does not have its bottom locally deformed, and the roll itself does not rattle in the cardboard box 103. Further, since the upper and lower pillows 200 are firmly arranged on both sides of the roll 100 of the corrugated board box 103, the corrugated board box 1 may be transported or stacked.
It is possible to prevent the edge of 03 from being crushed.

[0005]

The pillow 200 which has been conventionally used has a central end as shown in the figure in order to make the manufacturing cost low and to have its strength. A corrugated cardboard piece 200a having semicircular support recesses 201 formed at the edges is punched out, and a plurality of corrugated cardboard pieces 200a are bonded by an appropriate bonding means such as an adhesive or a tape 202. It is made by overlapping.

However, it takes a lot of time and effort to stack the corrugated cardboard pieces 200a produced by punching without misalignment with each other, resulting in a high processing cost, resulting in a high cost.

[0007] Further, even with due care, the corrugated cardboard piece 2
When the sheets 00a are superposed on each other, some deviation may occur. In this case, the paper tube portion 102 of the roll 100 may not fit well in the supporting recess 201 during use, or The pillow 200 itself does not fit in the inside dimensions of the cardboard box 103 due to the dimensional error due to the above-mentioned deviation, and thus the pillow 200 cannot enter the inside of the cardboard box 103.

[0008] Therefore, an object of the present invention is to provide a blank which can be simply and accurately bent to produce a supporting spacer for a packaging box having a required thickness with a high dimensional accuracy.

[0009]

The above objects are achieved with a blank for a support spacer for a packaging box according to the invention. In summary, the present invention is a blank in which a plurality of sections connected by a fold line are arranged in a longitudinal alignment, and each section can be folded into a mountain side and a valley side. In addition, centering on the folding line provided every other to bend to the mountain side,
Forming a hole in the longitudinal direction of the blank, straddling both sections located on both sides of this fold line, whereby a supporting recess is formed in this hole when the blanks are folded and superposed. Is a blank for a support spacer for a packaging box.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A blank for a support spacer for a packaging box according to the present invention will be described below in detail with reference to the drawings.

1 to 3 show an embodiment of the blank of the present invention. According to this embodiment, the blank 1 is, for example,
As shown in FIG. 1, double-faced corrugated cardboard configured by disposing a corrugated intermediate member 1C between the sheets 1A and 1B forming the both side plates may be used, or if desired. As shown in FIG. 2, the corrugated intermediate member 1C has two stages.
It is also possible to use corrugated cardboard provided with.

The blank 1 has a rectangular shape having a width W and a length H as a whole, and the blank 1 has a plurality of the same shape.
In this embodiment, eight rectangular sections S (S _{1 to} S
₈ ). Depending on the case, it may be composed of four sections S.

That is, each section S has a rectangular shape with a width W and a length h (= H / 8), and each section S is connected at a bending line f (f _{1 to} f ₇ ). Has been done. In this embodiment, the bending lines f ₁ , f ₃ , f ₅ , f ₇
Is formed by cutting in the thickness direction from the sheet 1A side to the sheet 1B, leaving only the sheet 1B over the entire width, while the folding lines f ₂ , f ₄ , f ₆ are formed over the entire width. It is formed by cutting in the thickness direction from the sheet 1B side to the sheet 1A while leaving only 1A. Then, a circular hole 2 having a center on the bending lines f ₁ , f ₃ , f ₅ , f ₇ straddles both sections S and is aligned in the longitudinal direction of the blank 1 and punched. .

Therefore, the blank 1 thus constructed is
Is, as shown in FIG. 3 (A), each bending line f ₁ , f
It can be easily bent to the mountain side, that is, the outside with ₃ , f ₅ and f ₇ as boundaries, and the bending lines f ₂ , f ₄ and f
It can be easily bent to the valley side, that is, the inside, with ₆ as the boundary. That is, the blank 1 of the present invention can be alternately folded along the folding line and can be overlapped with each other. The superposed state is shown in FIG.
As can be seen from FIG. 4, the pillows, that is, the support spacers 200 that are manufactured by stacking them, have the semi-circular paper tube support portions 201 formed on the upper end edges thereof without being displaced from each other. Also, when each section S is overlapped,
The outer shapes do not shift from each other and can have extremely accurate outer dimensions.

Alternatively, the bending lines f ₂ , f ₄ and f ₆ may be formed as shown in FIG. 3 (B).
It can also be formed by cutting along ₂ , f ₄ and f ₆ in the thickness direction while leaving both ends thereof. Also in this case, the bending lines f can be easily bent in an alternating manner, and the supporting spacers 200 shown in FIG. 4 can be manufactured by superposing them on each other.

The support spacers 200 superposed in this manner are preferably joined by a required joining means, for example, an adhesive tape 202, as shown in FIG. 4, so that their bottom portions do not come apart from each other. Can be combined with.

As described above, when the overlapping sections S are joined by the tape 202, the winding thickness of the tape 202 makes the outer shape of the support spacer 200 slightly larger. If it is difficult to insert the cardboard box, as shown in FIGS.
A shallow notch 5 can be formed in the tape, and the tape 202 can be wound around the notch 5 as shown in FIG. FIG. 7 shows a blank 1 ′ for providing such a support spacer 200. This blank 1 '
Is the bending line f ₁ , f ₃ , f
₅ and f ₇ are the same except that the shape of the hole 2 formed on f ₇ is different.

Alternatively, each of the superposed sections S may be adhered by applying an adhesive or a glue to each section (a dot shape is also possible).

In each of the above embodiments, corrugated paper was used as the material of the blank 1. However, the honeycomb-shaped intermediate member 1C is arranged between the sheets 1A and 1B constituting the both side plates. For example, a honeycomb sheet made of a synthetic resin sheet or an aluminum sheet can be used. It is also possible to use just cardboard in some cases.

[0020]

As described above, the blank for the support spacer for a packaging box according to the present invention is composed of a plurality of sections connected by a fold line, and every other section has a mountain side and a valley side. It is possible to fold it in the direction of the mountain, and moreover, it is arranged in the longitudinal direction of the blank across both sections located on both sides of this fold line centering on the fold line provided for every other fold To form a hole, whereby the blank is folded and overlapped and the supporting concave portion is sometimes formed. Therefore, by simply bending the blank, the packaging box can be easily and accurately dimensioned and has a required thickness. A support spacer for use can be produced, which is extremely useful in practice.

[Brief description of drawings]

1 is a development view of a support spacer showing an embodiment of a blank for a support spacer for a packaging box according to the present invention.

FIG. 2 is a perspective view showing another configuration of a corrugated board that can be used as a blank material in the present invention.

FIG. 3 shows a partially folded state of the blank, FIG. 3 (A) shows a state in which the blank of FIG. 1 is folded, and FIG. 3 (B) shows a state in which the blank of another embodiment is folded. It is a perspective view which shows a state from the opposite side to FIG.

FIG. 4 is a perspective view showing a state in which a support spacer is formed by bending and stacking blanks.

FIG. 5 is a perspective view showing a support spacer of another embodiment.

6 is a perspective view showing a half of the support spacer of FIG.

7 is an exploded view of a support spacer showing a blank for the support spacer of FIG.

FIG. 8 is a perspective view showing a state where a packaging box support spacer is used.

[Explanation of symbols]

1 Blank 2 Support Recess Forming Hole 200 Support Spacer 201 Support Recess 202 202 Tape S _{1 to} S ₈ Sections f _{1 to} f ₇ Bending Line

Claims (1)

[Claims] 1. A blank in which a plurality of sections connected by a folding line are arranged in alignment in the longitudinal direction, and each section can be folded into a mountain side and a valley side, and every other section. , Centering on every other folding line for folding to the mountain side, straddling both sections located on both sides of this folding line, forming holes aligned in the longitudinal direction of the blank, By
A blank for a support spacer for a packaging box, wherein a support recess is formed in this hole when the blanks are folded and overlapped.