JPH111276A - Fit-in single-corner-pad - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a corner pad used for a single corner, which is to be set up by fitting in corrugated board. SOLUTION: A wound side-wall 5 is formed by winding an interfacing side- plate 2, inner side-plate 3, outer side-plate 4 in that order, with each round the previous one. The wound side-wall 5 can be bent at right angles by punching a side-corner punch groove 8 extending vertically in the middle of the inner side-plate 3. An interfacing floor-plate 16 is turned and slid 90 deg. to be superimposed on a bottom floor plate 11, and over upon it an engagement floor plate 13 is bent. Then, the two edges of the engagement floor plate 13 are fitted into a wide floor-corner-space 10 and a narrow floor-corner space 15, both of which are left below the wound side-wall 5, and thus they are fixed together.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a built-in single-angle pad.

[0002]

2. Description of the Related Art A conventional built-in single-angle pad is formed by folding an inner surface separated from a top edge of an outer surface by an inner corner excluding area, stacking an inner bottom surface on an outer bottom surface, and folding the inner bottom surface from the front. In this method, a fitting convex edge is fitted to a fitting concave edge and fixed (see Japanese Patent Application Laid-Open No. 8-32227).

[0003]

Since the inner surface is separated by the inner corner removal area, the inner surface may jump up unless the fitting convex edge is fitted into the fitting concave edge.

[0004]

Means for Solving the Problems A winding side wall is provided by winding the inner plate and the outer plate in the order of the core side plate as a core, and only the inner plate to be wound secondly is punched with a side cutout groove which goes through the center. The side wall is bent at a right angle due to the provision of a corner cutout groove, and the core side plate is not separated by the core side fold line that passes through the center, so the winding side wall does not jump up and the core is placed on the bottom floor plate By stacking the floorboards and folding the fitted floorboards, the leading edge and the inner edge of the fitted floorboard are fitted and fixed in the wide floor angle gap and the narrow floor angle gap, which are vacant below the winding side wall.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a preferred embodiment of the present invention, which is manufactured by using a double-faced cardboard and a single-sided cardboard as a raw material. In FIG. 1, the winding side wall 5 is provided by winding the inner side plate 3 and the outer side plate 4 in order with the core side plate 2 as a core,
The core side wall 2 is divided into left and right sides by a core side fold line 6 extending vertically through the center, the inner plate 3 is separated into left and right sides by a side corner cutting groove 8 traversing the center, and the outer plate 4 is laterally separated by an outside fold line 7 vertically extending through the center. Since the sheet thickness is released and the winding side wall 5 can be bent at a right angle by punching out the side corner cutting groove 8, the winding side wall 5 is not separated at the core side folding line 6. When bent, there is no danger of jumping. Are separated by a thickness corresponding to two sheets, and the separated gap area is defined as a wide floor angle gap 10, and the core floor folding line 1 is provided at the lower edge of the other outer plate 4 divided by the outer folding line 7.
The core floor plate 16 is extended through the core 4 and the core floor folding line 14 is separated from the lower side of the winding side wall 5 by a thickness of one sheet. 5 is folded inward at right angles, a core floor plate 16 is superimposed on the bottom floor plate 11, and the inner edge of the core floor plate 16 is fitted into the wide floor angle gap 10. In this overlapping state, the front edge of the bottom floor plate 11 is Thick belt 12
By folding back the fitted floor plate 13 extended through the back, the leading edge of the fitted floor plate 13 fits into the wide floor angle gap 10,
The inner edge of the fitted floor plate 13 is fitted and fixed in the narrow floor angle gap 15.

In FIG. 2 which is a perspective view showing the completed state of assembly, the winding side wall 5 is formed by sequentially winding the inner side plate 3 and the outer side plate 4 around the core side plate 2 to form a side corner cutting groove 8. , The winding side wall 5 is bent at a right angle, the core floor plate 16 is sandwiched and fixed between the bottom floor plate 11 and the fitted floor plate 13, the leading edge of the fitted floor plate 13 has a wide floor angle gap 10 and the inner edge has a narrow floor. The triangular corner 1
Thus, a single-angle pad having three surfaces contacting at right angles is formed.

In FIG. 3, which is a perspective view showing a stage in which the winding side wall 5 is started to be wound, the core side plate 2 is divided by a core side fold line 6, the inner side plate 3 is separated by a corner cutout groove 8, and the outer side plate 4 is separated. Is a core side plate 2 divided by an outer folding line 7 and connected to the inner plate 3
Since the core side folding line 6 is not cut off, if the winding side wall 5 shown in FIGS. 1 and 2 is bent at a right angle, there is no danger of the winding side wall 5 jumping up, and the core floor plate 16 is placed on the bottom floor plate 11. Finally, the assembly is completed by folding back the fitted floor plate 13.

In FIG. 4, which is a plan view showing a state in which a small-thickness square pad is developed, when the present invention is developed and shown, it is divided into right and left by a center line 17 penetrating the center of the sheet in the longitudinal direction. , Is divided into nine chambers 18 by a folding line crossing the center line at right angles.
The inner side plate 3 is extended from the lower edge of the core side plate 2 through a ground thickness region 19 having a thickness of one sheet, and the width of the side corner opening groove 8 that vertically cuts the center of the inner side plate 3 is two sheets. It is preferable that the upper and lower ends of both side edges of the side corner cutting groove 8 are inward toward the inside.
The thickness range of the top and bottom is divided at an angle of 5 degrees, and the outer plate 4 is extended at the lower edge of the inner plate 3 through the top thickness region 20 having the thickness of two sheets, and the center is longitudinally cut. A bottom floor plate 11 is extended through a bottom floor fold line 9 at one lower edge of the outer plate 11 divided into right and left by the outer fold line 7, and fitted to the lower edge of the bottom floor plate 11 through a front thickness band 12. Is extended through the core floor fold line 14 at a position parallel to the lower edge of the bottom floor fold line 9 by one sheet thickness at the lower edge of the other outer panel 11 divided by the outer fold line 7 16 is extended.

In FIG. 5 which is a plan view showing a state in which a square pad having a large thickness is developed, when the thickness of the sheet is increased by using a so-called double corrugated cardboard in which two cardboards are interleaved as a material, In particular, it is necessary to cut the shape of the chamber 18 folded inward by the thickness, and particularly the chamber 1 where the shaved portion is remarkable.
8, the outer edge and the leading edge of the core floor plate 16 are shaved by one sheet, the leading edge of the fitted floor plate 13 is shaved by one sheet, and the inner edge is also cut from the front thickness band 12 by one sheet. It is shaved by the number of sheets, and is further shaved by one thickness at the tip, and is cut off by an oblique line connecting the cut portion and the front thickness band 12.

[0010]

According to the present invention, the side wall of the winding can be bent at a right angle by punching the corner cutout groove. The core side plate is extended at the lower edge of the inner plate separated by the corner cutout groove, and is separated by the core side bent line. Since the rolled side wall is bent but not separated, there is no danger that the rolled side wall separates and jumps up, and the leading edge of the fitted floor plate is inserted into the wide floor gap and narrow floor angle gap at the bottom of the rolled side wall. Then, it is fixed by fitting the inner edge, and the assembly is completed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a stage before assembly is completed.

FIG. 2 is a perspective view showing an assembled state.

FIG. 3 is a perspective view showing a state where winding of a winding side wall 5 is started.

FIG. 4 is a plan view showing an expanded state of a small-thickness square pad;

FIG. 5 is a plan view showing a state in which a square pad having a large thickness is developed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Trihedral corner part 2 Core side plate 3 Inner side plate 4 Outer side plate 5 Winding side wall 6 Core side fold line 7 Outside fold line 8 Side corner release groove 9 Bottom floor fold line 10 Wide floor angle gap 11 Bottom floor plate 12 Front thickness band 13 Fitting floor plate 14 Core floor Folded line 15 Narrow floor angle gap 16 Core floor plate

Claims (1)

[Claims] 1. In a single-corner pad shape in which the corners of three walls contact at right angles around one trihedral corner portion 1, a core side plate 2 is used as a center, an inner plate 3, and an outer plate. The winding side wall 5 is formed by winding in the order of the plate 4, the core side fold line 6 is provided on the core side plate 2, and the outer fold line 7 is provided on the outer plate 4 by cutting the center of each side. The outer plate 4 is longitudinally cut through the center of the plate 3 and punched out in the side corner cutout groove 8 and divided by the outer folding line 7.
One of the bottom fold angles is a bottom floor fold line 9, and a gap between two bottom sheets is provided between the bottom floor fold line 9 and the winding side wall 5. Bottom floor board 1 via fold line 9
1 is extended, a floor plate 13 is fitted to a front edge of a bottom floor plate 11 through a front thickness band 12 having a thickness of two sheets, and the other of the outer plates 4 separated by the outer folding line 7 is provided. The bottom fold angle is a core floor fold line 14, and a gap band for one sheet is provided between the core floor fold line 14 and the winding side wall 5. The core floor plate 16 is extended through the base floor plate 11, and the core floor plate 16 is superimposed on the bottom floor plate 11.
3. A built-in mono-square pad characterized in that the front edge and the inner edge of the floor plate 13 are fitted and fixed in the wide floor angle gap 10 and the narrow floor angle gap 15 by folding the three.