JPH0142488Y2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application This invention relates to a cushioning fixing body made of cardboard used to protect packaged objects such as televisions, radios, etc. from impact.

(b) Prior art Figure 7 shows a conventional buffer fixing body.
What has been used is a corrugated cardboard sheet (a) with a cushioning fixing material (b) made of styrene foam adhered to either end of the cardboard sheet (a).

However, with this configuration, the plastic buffer fixing material b that fits into the bottom of the packaged object is not only prone to cracking and damage due to external impact, but also causes pollution when disposing of the waste. Because of this problem, there has been a strong demand for the development of an alternative buffer fixing body.

(c) Purpose This invention was made in view of these circumstances, and one of its main purposes is to provide a buffer fixing body that can be manufactured at low cost without using plastic buffer fixing materials. It's about doing.

(d) Structure This idea consists of a rectangular substrate sheet with flaps provided on each of its four sides via bending lines.
It is a buffer fixing body constructed by folding corrugated cardboard sheets, and one pair of opposing flaps has first, second, and 3, and cut a line across the second and third folding surfaces to form a continuous supporting piece in the center of the second folding surface through a folding line parallel to the above folding line. The first and second folding surfaces are bent at right angles, and the third folding surface is further bent at an acute angle so that its leading edge abuts the boundary between the substrate sheet and the first folding surface. A pair of right-angled triangular cylindrical first upright portions are formed on the substrate sheet, and the supporting piece is bent at right angles to the second bending surface so that its leading edge is in contact with the substrate sheet, and both sides of the leading edge are bent at right angles to the second bending surface. A notch is formed in the first rising part, and an opening for fitting the end of the packaged object is formed in the first rising part by bending the support piece, and the other pair of flaps are formed in the bending line between the support piece and the substrate sheet. It is divided into first and second folding surfaces by parallel folding lines, and a locking piece is provided on the second folding surface via the folding line, and the first and second folding surfaces and the locking piece are arranged at right angles. A pair of ∩-shaped second rising portions are formed by bending, and the second bending surface of the second rising portion is a second portion of the first rising portion located on both sides of at least the opening for fitting the end of the packaged object. and the locking piece has a portion thereof engaged with a notch in the third bent surface of the first rising portion to fix the first and second rising portions to each other. This is a characteristic buffering fixing body.

(E) Embodiment An embodiment of this invention will be described in detail based on FIGS. 1 to 6. Note that this invention is not limited to this.

FIG. 1 shows a perspective view of the buffer fixing body 1, and FIG. 2 is a developed view thereof. The buffer fixing body 1 made of a corrugated cardboard sheet has two pairs of rectangular flaps 3, 3 and 4, which are symmetrical from each corresponding side of a bottom plate sheet 2 as a square base sheet.
4 is provided. The flap 3 is formed by inward bending lines 3a, 3b, and 3c indicated by dotted lines.
The part forming the first rising part A in the shape of a right triangular cylinder as shown in FIG. The surface 6 becomes a downward slope from the inside of the bottom plate sheet 2. On the other hand,
A folding surface 7 on which a support piece 8 as a locking piece is formed separately from the center of the folding line 3c on the side of the folding surface 6 by cut lines 3e and 3f.
is an upper surface facing the bottom plate sheet 2 with a space therebetween, and the support piece 8 is made to protrude from the first rising part A in the shape of a right triangular cylinder and is brought into contact with the top surface of the bottom plate sheet 2 along the bending line 3d. The support piece 8 is provided with notches 9, 9, 9, 9 at both corner portions of the end side facing the incision line 3f. The support piece 8
By bending the openings 18, 18 for fitting the bottom of the packaged object (not shown) are formed (the first
(See Figure and Figure 4).

The flap 4 is a portion that forms a second rising portion B that constitutes an inward U-shaped space between the flap 4 and the bottom sheet 2 by inward bending lines 4a and 4b shown by dotted lines. The folding surface 10 adjacent to this is an outer height, and the folding surface 11 adjacent to this is an upper surface that overlaps the upper surface of the folding surface 7 of the first rising portion A. The height of the second rising portion B is set to be higher than the height of the first rising portion A. The bending surface 11 has a bending line 4
The mounting piece 1 as a locking piece is formed by cut lines 4c, 4c extending from the side b toward the side opposite to the bottom plate sheet 2.
2 and 12 are cut out and separated. These mounting pieces are arranged along the bending lines 12a, 2b, 12c.
As a result, a folding surface 13 that contacts the substrate sheet 2 from the folding surface 11, a folding surface 14 that contacts the bottom plate sheet 2 and projects inwardly, and a folding surface 15 that folds back and overlaps with this folding surface are formed. Convex portions 16 that engage with the notches 9 of the support piece 8 are provided on both outward ends of these bends 15.
16, 16, 16 are provided.

Next, the buffer fixing body 1 from the developed view shown in FIG.
The assembly will be explained.

From the perspective state of the developed view shown in FIG. and mounting piece 1
2 are separated from the folding surfaces 6, 7, and 11, respectively, by folding them inward along the folding lines 3d and 12a (FIG. 4). Next, the folding surface 5,
6 and 7 are strongly bent to form a first rising portion A from the flap 3 together with the support piece 8 in the shape of a right triangular cylinder in which the bending surface 6 is a slope (the fifth
Fig. 6). Finally, the folding surfaces 10 and 11 are strongly bent, and the mounting piece 12 is moved from the flap 4.
At the same time, the folded surface 11 overlaps the upper surface of the folded surface 7 of the first rising portion A to form a second rising portion B that forms an inward U-shaped space between it and the bottom plate sheet 2, and The convex portion 16 is engaged with the notch 9 of the first rising portion A, and as shown in FIG. 1, the assembly is completed with the recess 17 formed on the bottom plate sheet 2.

Products such as televisions and radios are placed on the folded surface of the placing piece 12 of the shock-absorbing fixing device 1 having the above configuration, and the bottoms of these items are placed in the recess 17 formed by the first and second rising portions A and B. When fitted, vertical and lateral shocks that act on the packaged object are absorbed by the cylindrical buffer section made by folding cardboard or a sheet equivalent to it, thereby protecting the packaged object from the impact. can be protected. In addition, since the buffer fixing body 1 is constructed by assembling cardboard or equivalent sheets, it not only reduces costs due to fewer parts and improves work efficiency, but also causes pollution problems during waste disposal. It is possible to eliminate the risk of this happening. Furthermore, the object to be packaged placed on the placement piece 12 exhibits an effect of preventing the folded surface 115 engaged with the first rising portion A from coming off by bending.

(F) Effect This invention forms a triangular tube-shaped first rising portion by bending a corrugated cardboard sheet, and a second rising portion that forms an inward U-shaped space between the substrate sheets by bending the same. Because it is locked, it not only provides sufficient shock absorption, but also solves the problem of pollution during waste disposal. In addition, since the number of parts used is small, assembly is easy, and work efficiency is improved, manufacturing costs can be reduced.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of one embodiment of this invention after assembly is completed, Fig. 2 is an expanded plan view of the same, and Figs.
The figures are perspective views showing each stage of the assembly process, and FIG. 7 is a perspective view of a conventional example. 1... Buffer fixing body, 2... Bottom plate sheet (substrate sheet), 3, 4... Flap, 3a, 3b, 3c,
3d, 4a, 4b, 12a, 12b, 12c...
Bending line, 5, 6, 7, 10, 11...Bending surface, 8, 12...Locking piece, 8...Supporting piece, 12
... Placement piece, 9 ... Notch, 16 ... Convex portion, 1
8...opening, A...first rising part of the right triangular cylinder, B...second rising part.

Claims (1)

[Claims for Utility Model Registration] A shock absorbing fixed body constructed by folding a single corrugated cardboard sheet with flaps provided on each of the four sides of a rectangular base sheet through bending lines; the pair of flaps are defined into first, second and third folding planes by two folding lines parallel to the folding line between the flaps and the substrate sheet;
A score line is made across the second and third folding surfaces, and a supporting piece is provided in the center of the second folding surface and continuous through a folding line parallel to the above folding line, and the first and second folding surfaces are The folded surface is bent at a right angle, and the third folded surface is further bent at an acute angle so that the leading edge thereof touches the boundary between the substrate sheet and the first folded surface, so that the entire right-angled triangular tube is formed on the substrate sheet. forming a pair of first rising portions having the same shape, while bending the support piece at right angles to the second folding surface so that the tip side thereof comes into contact with the substrate sheet, and forming notches on both sides of the tip side; 1st
An opening for fitting the end of the packaged object is formed in the rising part by bending the supporting piece, and the other pair of flaps are formed by bending the first and second flaps by a bending line parallel to the bending line between them and the substrate sheet. A locking piece is provided on the second bending surface via the bending line, and the first,
The second folding surface and the locking piece are bent at right angles to form a pair of ∩-shaped second rising portions, and the second bending surface of the second rising portion is formed at least at the end of the packaged object of the first rising portion. superimposed on second folded surfaces located on either side of the mating opening;
The buffer fixing body is characterized in that a portion of the locking piece engages with a notch in the third bent surface of the first rising portion to fix the first and second rising portions to each other.