JP4727362B2 - Fixing material and pad for packing - Google Patents

Description

  The present invention relates to a corrugated cardboard fixing material and a pad for preventing movement of an article in a box when packaging an article such as a lighting fixture.

  Conventionally, when packaging lighting fixtures such as ceiling lights, plastic molded products have been used as a fixing material to prevent the movement of the lighting fixtures inside the box. However, they are fixed to reduce costs and reduce environmental impact. Corrugated cardboard is required.

  As a fixing material corresponding to such a request, in Patent Document 1 below, a plurality of side plates are radially connected around the top plate to form a column, and a flange is connected to the lower end of the side plate. A corrugated cardboard is shown in which the flanges of the matching side plates are stacked and a retaining piece is provided on the top edge of the column.

Japanese Patent Laying-Open No. 2005-187029

  However, in the fixing material as described above, when a large load acts on the support column due to a drop in the transportation process, the peripheral edge of the hole of the lighting fixture bites into the ridge portion of the support column, the cardboard breaks, There is a risk that the lighting fixture cannot be held.

  Accordingly, the present invention is intended to provide a packaging fixing material and a pad made of corrugated cardboard that can hold an article even when a large load is applied.

  In order to solve the above-described problems, the present invention forms each column by bending each side plate downward from the top plate, projects a retaining piece from the top edge of the column, and bends the flange extending from the bottom end of the side plate outward. Next, the side edges of the side plates that form the ridges of the columns in the packaging fixing material made of corrugated cardboard that prevents the movement of the items in the box by overlapping the flanges of adjacent side plates and inserting the columns into the holes of the items A weak line extending up and down from the part where the peripheral edge of the hole of the article abuts is put in the part so that the ridge part of the column is crushed along the weak line.

  In addition, the weakening line is formed from a ruled line and a score line so that the collapse of the cardboard is guided from the score line to the ruled line.

  Furthermore, in a cardboard pad that cushions and supports the article in the box, a base member continuously provided on the base plate is wound to form a block body that is placed on the top surface of the base plate, and an insertion hole formed in the base plate and the block body In addition, the column of the fixing material is inserted from below, the column and the retaining piece are used to prevent the column from coming off from the insertion hole, the block body receives the article, and the column is prevented from swinging.

  When packing an article using a pad with this fixing material, even if a large load is applied to the column due to dropping during transportation, the ridges of the column will collapse along the line of weakness. Since the load is dispersed and absorbed around the rim, the breakage of the corrugated cardboard does not expand from the ridges of the struts, and the block body prevents the fixing material from swinging against the base material. Can be stably held, and damage to the article can be prevented.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. The pad shown here is used for packing a lighting fixture such as a ceiling light, and is formed from a cardboard blank shown in FIGS.

  In the blank of the base material 1 shown in FIG. 1, the insertion hole 3 of a fixing material is provided in the center part of the floor plate 2 with a cross-shaped score line, and four triangular folded pieces 4 are formed. Yes. A base member 5 is provided on one side of the base plate 2, and the base member 5 has a bottom plate 7 connected to the front end side of the base plate 6 sandwiched between two cut lines, and the base plate 6 and the base plate. 2 and the bottom heavy plate 7 are provided with a plurality of step plates 8 arranged in a staggered pattern divided by a cut line. The base plate 6 and the bottom heavy plate 7 are provided with insertion holes 9 corresponding to the insertion holes 3 of the floor plate 2.

  Further, an engagement piece 10 is provided in the middle portion on the other side of the floor plate 2 by cutting, and the engagement piece 10 is engaged from the step plate 8 at the boundary between the floor plate 2 and the base plate 6 to the base plate 6. An engaging hole 11 is formed. An end stand 12 is connected to the other end of the floor plate 2, and a handle hole 13 and a locking projection 14 are provided on the end stand 12.

  Furthermore, a placing piece 15 for hook ceiling is provided at one corner of the floor board 2, and a handle hole 16 is provided at an end of the floor board 2. Further, on the other side of the floor plate 2, there is provided an insertion hole 17 into which a fixing material for another pad is inserted when stacked.

  On the other hand, in the blank of the fixing member 20 shown in FIG. 2, four side plates 22 are continuously provided radially around the square top plate 21, and a flange 23 is provided at the front end side of each side plate 22, and the bases of adjacent side plates 22. A retaining piece 24 is provided between the end portions. Wave-like weakening lines 25 are formed on both side edges of each side plate 22, and the weakening lines 25 are formed by a ruled line 26 and a score line 27 that guides the cardboard to the ruled line 26. Here, the ruled line 26 and the cut line 27 of the weakening line 25 can be formed by a single continuous blade, so that an increase in cost is suppressed.

  Further, in the blank of the tube support member 30 shown in FIG. 3, the side plates 32 are connected to both ends of the rectangular top plate 31, and semicircular cuts that fit into the annular fluorescent tube are made on both sides of the side plate 32. A fitting plate 33 is provided continuously.

  Further, in the blank of the tube partition member 35 shown in FIG. 4, a large number of ruled lines are put in the width direction on a band plate sandwiched between a large-diameter annular fluorescent tube and a small-diameter annular fluorescent tube.

  In addition, in the blank of the tube winding material 40 shown in FIG. 4, two rows of strip-shaped outer cover plates 41 wound around the outer periphery of the lighting fixture are parallel to each other through the cut line, and end plates 42 at both ends of the outer cover plate 41 are connected to the ruled line. Connected. A plurality of ruled lines are inserted in the width direction in the outer packaging plate 41, and a pressing plate 43 that presses the lighting fixture from above and a locking hole 44 into which the locking projection 14 of the base material 1 is inserted are provided.

  Now, to assemble the blank of the fixing material 20 as described above, as shown in FIG. 5, the side plates 22 are bent downward from the top plate 21 to form the columns 28, and the retaining pieces 24 are formed from the upper end ridges of the columns 28. , The flange 23 is bent outward, and the flanges 23 of adjacent side plates 22 are overlapped.

  Further, in order to assemble the base material 1, as shown in FIG. 6, a block body 18 that wraps the base plate 6, the bottom heavy plate 7 and the step board 8 of the base member 5 from the base plate 2 and puts it on the top surface of the base plate 2. Then, the engaging piece 10 is engaged with the engaging hole 11, and the block body 18 is retained. Thereafter, the support column 28 of the fixing material 20 is inserted into the insertion holes 3 and 9 of the floor plate 2 and the block body 18 from below, and the flange 23 and the retaining piece 24 prevent the support column 28 from coming out of the insertion holes 3 and 9. .

  In this state, the adjacent corrugated plates 8 are alternately inclined, and the block body 18 has a structure excellent in compressive strength. When the column 28 is inserted into the insertion hole 3, the folded piece 4 is bent upward, and the side plate The fixing member 20 is firmly attached to the base material 1 by the friction between the side plate 22 and the peripheral edge of the insertion hole 9.

  Thus, when packing the lighting fixture L using the base material 1 to which the fixing material 20 is mounted, the column 28 is inserted into the hole h provided in the center of the main body of the lighting fixture L, and the lighting fixture is inserted. The main body of L is supported by the block body 18, and the hooking ceiling S is placed on the placing piece 15 and fixed with tape or the like. At this time, the peripheral edge of the hole h of the luminaire L comes into contact with the vicinity of the center portion of the weakening line 25 of the column 28.

  Next, as shown in FIG. 7, in the pipe support member 30, the side plate 32 is bent downward from the top plate 31, the fitting plate 33 is bent so as to expand outward, and the fitting plate 33 has a large diameter and a small diameter cut. An annular fluorescent tube is engaged and a tube partition member 35 bent into an annular shape is sandwiched between a large-diameter annular fluorescent tube and a small-diameter annular fluorescent tube to prevent damage due to mutual collision of the annular fluorescent tubes.

  After that, in the tubular material 40, the connected end plate 42 is bent along a ruled line, the opposing outer packaging material 41 is bent into an annular shape, and the outer packaging plate 41 is placed on the outer periphery of the lighting fixture L covered with a shade as shown in FIG. The tube winding material 40 is set on the base material 1 so that the shade is pressed by the pressing plate 43 wound and bent inward, the end plate 12 is raised, and the locking projection 14 is pushed into the locking hole 44 to illuminate. The instrument L is stored in the box 45 together with the pad.

  When the lighting fixture L is packed in this way, even if a large load is applied to the support column 28 due to a drop during transportation, the ridge portion of the support column 28 is crushed along the weakening line 25, so Since the load is dispersed and absorbed, the breakage of the corrugated cardboard does not expand from the ridge portion of the support column 28, and the block body 18 prevents the fixing material 20 from swinging with respect to the base material 1, thereby It can be stably held at a predetermined position inside the box 45, and the luminaire L can be prevented from being damaged.

  In the above-described embodiment, the fixing material 20 is exemplified by the pillar 28 having a quadrangular prism. However, the pillar 28 may be a polygonal pillar other than the square pillar, such as a triangular pillar or a hexagonal pillar.

The figure which shows the blank of the base material of the pad which concerns on this invention The figure which shows the blank of the fixed material same as the above The figure which shows the blank of a pipe support material same as the above The figure which shows the blank of a pipe partition material and a pipe winding material same as the above The perspective view which shows the assembly state of a fixing material same as the above The perspective view which shows the use condition of a base material and a fixing material same as the above Perspective view showing the packing process The perspective view which shows the storing process to a box same as the above

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Base material 2 Base plate 3 Insertion hole 4 Folding top piece 5 Base member 6 Base plate 7 Bottom plate 8 Step plate 9 Insertion hole 10 Engagement piece 11 Engagement hole 12 Standing plate 13 Handle hole 14 Locking protrusion 15 Placement Piece 16 Handle hole 17 Insertion hole 18 Block body 20 Fixing material 21 Top plate 22 Side plate 23 Flange 24 Stopping piece 25 Wetting line 26 Ruled line 27 Cut line 28 Strut 30 Tube support material 31 Top plate 32 Side plate 33 Fitting plate 35 Pipe partition material 40 Tube Winding material 41 Outer packaging plate 42 End plate 43 Press plate 44 Locking hole 45 Box L Lighting fixture h Hole S Hook ceiling

Claims (3)

  A plurality of side plates 22 are arranged radially around the top plate 21, a flange 23 is provided at the distal end side of each side plate 22, and a retaining piece 24 is provided by connecting the base end portions of adjacent side plates 22. Each side plate 22 is bent downward to form a column 28, the retaining piece 24 is projected from the top edge of the column 28, the flange 23 is bent outward, the flanges 23 of the adjacent side plates 22 are overlapped, and the column 28 is In the packaging fixing material made of corrugated cardboard that is inserted into the hole of the article and prevents the movement of the article in the box, the peripheral edge of the hole of the article abuts on the side edge of the side plate 22 that becomes the ridge of the support column 28. A fixing material for packing, characterized in that a weakening line 25 extending vertically from the portion is inserted.   The packing fixing material according to claim 1, wherein a weakening line 25 to be inserted into a side edge portion of the side plate 22 is formed from a ruled line 26 and a score line 27.   In a cardboard pad that cushions and supports an article in a box, a base member 5 connected to the base plate 2 of the base material 1 is wound to form a block body 18 that is placed on the upper surface of the base plate 2, and the base plate 2 and the block body 18. The support column 28 of the fixing material 20 according to claim 1 or 2 is inserted into the insertion holes 3 and 9 formed in the above from below, and the support column 28 is prevented from being detached from the insertion holes 3 and 9 by the flange 23 and the retaining piece 24. Packing pad characterized by.

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