JP3073211B2 - Packing container - Google Patents

Abstract

A packing container for lengthy articles in which U-shaped base (10) and cover units (12) formed from laminated paperboard, are arranged so that the sidewalls (10b, 10c) of the base unit (10) fit within the sidewalls (12b, 12c) of the cover unit (12) when the two are assembled. End caps (14) close off the open ends of the container when the base unit (10) and the cover (12) unit are assembled.

Description

Description: TECHNICAL FIELD The present invention relates generally to packaging, and in particular to cardboard packing containers for long articles.

BACKGROUND ART Conventionally, various structures have been used for packaging long articles. One such structure consists of a pair of U-shaped channels, the top and bottom of which are made of corrugated cardboard, each of which fits into one of the channels, and the U-shaped channel assembly The open end of the cap fits.

One major disadvantage of using corrugated cardboard as packaging for long packing containers is that they are inadequate in strength and stability, especially when the weight of the item being packaged is heavy. . Another disadvantage relates to the assembly of the container. Corrugated cardboard blanks with U-channels, five boards, or perforated folds that can be folded into folding folders are difficult to handle when assembling containers because they do not maintain their assembled shape. The above drawbacks appear to be more pronounced with longer packing containers.

Another packing structure currently used is a preformed circular paper tube. The disadvantage with such containers is that they must be end-loaded and roll because of their circular shape, making them difficult to stack in any way.

Currently, wooden boxes are also used as packing containers. Wooden boxes are not only expensive, but also difficult to handle due to their heavy weight, and the loading costs are high. Another problem is that wooden boxes cannot be recycled and must be disposed of.

DISCLOSURE OF THE INVENTION Accordingly, packing containers constructed in accordance with the present invention include a base unit and a cover unit each formed from laminated cardboard and having a U-shaped cross section. The base unit and cover unit are
When constructing the container, the side wall of the base unit is fitted inside the side wall of the cover unit and is sized to support it. In addition, the base container and the cover unit are assembled and a cap is included in the packing container to close both open ends of the formed container.

In one embodiment of the invention, the cap is preferably a separate component having a U-shaped cross section formed from laminated cardboard. In another embodiment of the invention, the side wall of the cover unit is notched near its end and the cap is the end of the cover unit bent down at the notch in the side wall. In a third embodiment of the present invention, the cover unit is shorter than the base unit, and each cap is integral with the fitting part from the top of the base unit and is bent downward therefrom.

BRIEF DESCRIPTION OF THE DRAWINGS Referring to the drawings: FIG. 1 is an exploded perspective view of a first embodiment of a packing container constructed in accordance with the present invention; FIG. 2 is a view of the U-shaped components of FIG. FIG. 3 is a cross-sectional view of one of the solids, which is an alternative to the cap of FIG.
Fig. 4 is a perspective view of the base unit and the cover unit of Fig. 1 after mounting and configuring the cap of d); Fig. 4 is a perspective view of a second embodiment of the packing container constructed according to the present invention; And FIG. 5 is a perspective view of the upper unit in which FIG. 4 is reversed.

BEST MODE FOR CARRYING OUT THE INVENTION Referring to FIGS. 1, 2 and 3, a packing container constructed in accordance with the present invention comprises a bottom 10a and opposing side walls 1 formed from laminated cardboard.
It includes a base unit 10 having 0b and 10c, forming a laminated U-shaped cross section. Also included is a cover unit 12 formed from laminated cardboard and having an upper portion 12a and opposing side walls 12b and 12c, forming a laminated U-shaped cross section. As shown in FIG. 3, the base unit 10 and the cover unit 12 are connected to the side wall of the base unit 10 when forming the container.
The upper ends of the outer surfaces of 10b and 10c fit inside the side walls 12b and 12c of the cover unit 12, respectively, and are sized to support them. The packing container shown in FIGS. 1 and 3 further comprises a base unit.
10 and cover unit 12 are configured as a container and include a pair of caps that close opposing open ends of the formed container. In FIG. 1, each cap 14 is formed from laminated cardboard and includes a base 14a and two opposing side walls 14b and 14c to form a laminated U-shaped cross section. The base 14a and the side walls 14b and 14c extend between the bottom 10a of the base unit 10 and the upper part 12a of the cover unit 12.

The cap 14 is inserted into opposing open ends of the base unit 10 and cover unit 12 assembly such that its base 14a is inside the side walls 14b and 14c relative to the open end of the assembly. Thus, the three layers of laminated cardboard material at each corner of the packing container, namely the side wall of the base unit 10, the side wall of the cover unit 12, and the side wall of the cap 14, are used to secure the components of the packing container together. Can be stapled.

A conventional band 16 can be used to tie the base unit 10 and the cover unit 12 together where needed along the length of the packing container.
Alternatively, base unit 10, cover unit 12, and cap 14 may be glued together when constructing the packing container.

FIG. 2 showing the laminated cardboard formed in a laminated U-shaped cross section may show a cross section of the base unit 10, cover unit 12 or cap 14. FIG. The manufacturer of the packing container component has identified that the four components, base unit 10, cover unit 12, and cap 14, are all formed as U-shaped members made of similarly laminated cardboard material. It will be appreciated that these parts can be manufactured on similar machines and that different dies can be used to form three different sized U-shaped members. However, it is understood that other components may be used as the cap. For example, as shown in FIG. 3, the cap may be wood or expanded styrene (styr).
It can be a solid member, such as a block 18 made of ofoam), which is secured in place by suitable means such as glue or a band wrapped around the base unit 10 and cover unit 12.

4 and 5 show second and third embodiments of a packing container constructed according to the present invention, respectively. These embodiments differ from the first embodiment in that the cover unit and the cap are arranged to form a beveled corner. In a second embodiment of the invention, the cap 20 is integral with the cover unit 22 and extends downwardly from the top 22a of the cover unit when folded along the fold line 23 to form a packing container. It is the end of the unit. The side walls 22b and 22c are located on the upper part 22a of the cover unit.
The cover unit 22 has a V-notch 24 disposed inward from the end of the cover unit 22 at a distance equal to the distance between the cover unit 22 and the bottom 10a of the base unit 10. V with 90 ° included angle
The notch 24 extends to the connection of the side walls 22b and 22c with the upper part 22a. When the cover unit 22 and the base unit 10 are assembled, the cap 20 is folded in the direction of arrow 27.
Along 23, it is folded down as shown at the right end of the container in FIG. 4, closing both open ends of the container. In this position, the side wall at the end of the cover unit 22 outside the V-notch 24 supports the end of the outer surface of the side wall of the base unit 10. The cap 20 is secured by any suitable means, such as glue or a band tightly wound around the ends of the base unit 10 and the cover unit 22. In the embodiment of FIGS. 1 and 3 of the present invention, the band 16 comprises a base unit 10 and a cover unit 22.
Can be used to tie together, or these parts can be glued together when assembled into a packing container.

Instead of making the cover unit and cap as a single component with the notched side wall, the cap and cover unit can be made as separate components. When made in this manner, both ends of the side wall of the cover unit are cut at an angle, and one end of the side wall of each cap is cut at an angle, so that the two angled joint corners are formed by the cover unit and Formed by the cap.

In a third embodiment of the invention, the cover unit is shorter than the base unit. This is indicated by the solid line in FIG. The cover unit is short and the container includes a pair of remote end members 28 of U-shaped cross section at both ends of the base unit. Each end member 28 has a V-notch 24 on its side wall and has a first length portion on one side of the V-notch that fits on the base unit, the side wall being the base. Surrounds the upper edge of the outer surface of the side wall of the unit. A second length of the other side of the V-notch 24 of each end member 28 is bent downward such that its side wall surrounds the end of the outer surface of the base unit side wall.
Each end member 28 is sized to abut a first length portion of the cover unit and extend to the end of the base unit. A second length of each end member extends downward toward the bottom of the base unit.

While the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various modifications and changes may be made without departing from the true spirit and scope of the invention as set forth in the appended claims. Must.

 ────────────────────────────────────────────────── ─── Continuing the front page (72) Inventor Makarso, Vincent A. Pennsylvania, USA 19426 Trappe, Betcher Road 150 (56) References Japanese Utility Model Sho 55-53716 (JP, U) Japanese Utility Model Sho 62-130017 (JP, U.S.A.) U) Japanese Utility Model Showa 58-107319 (JP, U) Japanese Utility Model Showa 58-29915 (JP, U) Japanese Utility Model Showa 48-3035 (JP, Y1)

Claims (4)

(57) [Claims] 1. Preformed to have a U-shaped cross section,
A rigid cardboard base unit laminated over the entire cross-section and having a bottom and opposing sidewalls, and preformed to have a U-shaped cross-section, laminated over the entire cross-section, top and opposing A rigid cardboard cover unit having side walls, wherein the base unit and the cover unit are preformed and laminated before the base unit is fitted into the cover unit to form a container; When the base unit and the cover unit are assembled as a container, the side wall of the base unit includes:
The interior of the side wall of the cover unit fits and supports the side wall of the cover unit, the side wall of the cover unit having a distance equal to the distance between the top of the cover unit and the bottom of the base unit. Having a V-notch extending from the end of the cover unit to a connection with the top of the side wall of the cover unit disposed inward from the end of the cover unit; An end of the cover unit outside the V-notch portion bent downward from the base unit, the side wall of the bent portion being formed when surrounding the outer surface of the side wall of the base unit. A packing container, forming a laminated U-shaped cross-section cap covering opposing ends of the container. 2. Preformed to have a U-shaped cross section,
A plurality of cardboard materials laminated over the entire cross section, a rigid cardboard base unit having a bottom and opposing sidewalls, and a plurality preformed to have a U-shaped cross section and a plurality of A rigid cardboard cover unit having a top and opposing side walls laminated with the cardboard material, wherein the base unit and the cover unit are mounted on the base unit to form a container. The base unit and the cover unit are preformed and laminated before being fitted into the unit, and when the base unit and the cover unit are assembled as a container, the side walls of the base unit are:
Fitting inside the side wall of the cover unit, supporting the side wall of the cover unit, and closing opposing ends of the container formed when the base unit and the cover unit are assembled;
Having a pair of caps formed as separate components, each cap being formed from laminated cardboard; and (a) between the bottom of the base unit and the top of the cover unit. An extending base, and (b) two opposing side walls extending between the bottom of the base unit and the top of the cover unit to form a laminated U-shaped cross-section; A packing container, wherein a side wall surrounds an outer surface of the side wall of the base unit. 3. The side walls of the cover unit are cut at an angle at both ends, and (b) the caps are cut at an angle at one end, whereby two caps are cut. 3. The packing container according to claim 2, wherein the angled corner is formed by the cover unit and the cap. 4. Preformed to have a U-shaped cross section,
A rigid cardboard base unit laminated over the entire cross-section and having a bottom and opposing sidewalls, and preformed to have a U-shaped cross-section, laminated over the entire cross-section, top and opposing A rigid cardboard cover unit having a side wall and shorter than the base unit, the base unit and the cover unit being fitted into the cover unit to form a container The base unit and the cover unit have been previously preformed and laminated, and when the base unit and the cover unit are assembled as a container, the side walls of the base unit are:
A pair of end members that fit inside the side walls of the cover unit, support the side walls of the cover unit, and close opposing ends of the container formed by assembling the base unit and the cover unit; And each end member has: (a) a base for forming a laminated U-shaped cross section and opposing side walls; and (b) a V-notch in the side walls; (i) A first length portion on one side of the V-notch fits over the base unit, the side wall of which surrounds an upper end of an outer surface of the side wall of the base unit; and -A second length portion on the other side of the cutout is bent down from the first length portion so as to extend to the bottom of the base unit, the side wall of which is the side wall of the base unit; Packing container around the edge of the outer surface of the