JPH0653423U - Cardboard case with freely adjustable depth dimension - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a cardboard case in which the depth dimension can be freely adjusted, and more particularly, to a cardboard case in which the depth dimension can be adjusted safely and reliably by extremely simple work. [Structure] In a cardboard case formed by forming a canopy flap and a bottom lid flap separated by slits at the upper and lower ends of the main body, engraving a plurality of horizontal ruled lines for folding on the main body near the canopy flap, A corrugated cardboard case in which the depth dimension can be freely adjusted, in which a sewing machine blade cut is formed to a depth position reaching the horizontal ruled line in a main body part on an extension line near the root of a slit part separating the canopy flap. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cardboard case whose depth dimension can be freely adjusted, and more particularly to a corrugated cardboard case capable of safely and reliably adjusting the depth dimension by extremely simple work.

[0002]

[Prior art]

 Conventionally, cardboard cases that store various products have been widely used in factories, processing plants, product centers, distribution centers, etc.In the unfolded state, these cardboard cases have a canopy flap and a bottom at the top and bottom of the main body. A lid flap composed of a lid flap was formed. The canopy flap and the bottom lid flap are divided into four parts by being separated by the slit part, and when assembling the corrugated cardboard case, the main body part is opened and the top and bottom canopy flaps and the bottom lid flap are overlapped or abutted. It is attached with duct tape to form a storage box.

By the way, in the conventional corrugated board case, as shown in FIG. 6, in the canopy flap and the bottom lid flap located at the upper and lower ends of the main body portion, the depth dimension of the slit portion formed for the purpose of separating adjacent lid flaps from each other. However, it was not easy to change the dimensions by making the cardboard case larger and making the depth dimension of the cardboard case shorter according to the stored product.

[0004]

[Problems to be solved by the device]

 However, in the field where cardboard cases are used, there is a demand for finely sizing the height of the main body in order to prevent unnecessary space in the cardboard case, depending on the height of the products to be stored. However, the reality is that conventional cardboard cases cannot meet that demand. If the above request is met, apply a cutter knife near the root of the slit that is formed in advance and use this cutter knife to increase the depth of the slit (shorten the height of the main body). However, there were problems such as the work being nervous and injuring the hands and fingers.

The present invention makes it easy to form a notch by the sewing machine blade near the root of the slit portion in advance and to tear off the slit piece of the slit portion at the time of use to easily cut the corrugated board. The present invention provides a corrugated cardboard case that solves the above problems by making it possible to adjust the depth dimension of the case.

[0006]

[Means for Solving the Problems]

 For this reason, the present invention relates to a corrugated cardboard case in which a canopy flap and a bottom lid flap separated by slits are formed at the upper and lower ends of the main body, and a plurality of horizontal ruled lines for folding are provided near the canopy flap of the main body. The machine body is located on the extension line near the root of the slit part that separates the canopy flap, and the depth of the sewing machine is adjusted to the depth of the horizontal ruled line. It is a free cardboard case.

[0007]

[Action]

 According to the corrugated board case described above, since the sewing machine blade cut is formed, when the slit piece is torn to the desired depth along the sewing machine blade cut, the depth of the slit portion can be easily cut without using a cutter knife. The height can be adjusted, and as a result, the height of the main body can be adjusted.

[0008]

【Example】

 Embodiments of the present invention will be described below. In the figure, reference numeral A is a cardboard case, and this cardboard case A is composed of a main body part 1, a canopy flap 2 and a bottom lid flap 3. The canopy flap 2 is divided into three slits 4a to provide a total of four, and the bottom lid flap is divided into three slits 4b to provide a total of four.

A plurality of (preferably about 2 to 6) horizontal ruled lines 5 are engraved on the side of the main body 1 near the canopy flap. The formation of the horizontal ruled lines 5 is performed for the purpose of creasing when the main body 1 is bent at a right angle, and is performed by using an appropriate wire attaching machine or the like.

Further, at the position of the main body portion on the extension line near the root of the slit portion 4a, a sewing machine blade cut 6 is formed up to a depth position reaching the horizontal ruled line 5, and is surrounded by the sewing machine blade cut. The broken portion becomes a slit piece 7 that can be easily torn off.

The sewing machine blade notch 6 has a notch formed on the chain line by a sewing machine blade, and is generally made in a staggered manner, but its shape is not particularly limited. Reference numeral 8 in the drawing denotes a glue margin portion for fixing the main body portion when assembling the cardboard case.

The present invention relates to the above-mentioned configuration, in which the main body portion 1 is formed into a quadrangular shape by using the glue margin portion 8, and first, the bottom lid flap 3 is assembled by an appropriate method such as cross folding, and the bottom portion is assembled. And the appropriate product is stored in the storage box formed thereby.

After the storage, the canopy flap 2 is assembled in the same manner as the bottom lid flap to seal the top part (see FIG. 2).

Next, as shown in FIG. 3, when shortening the height dimension of the main body 1, the tips of the three slit pieces 7 are pinched with fingers and pulled to the desired depth. After tearing off the slit piece, bend the upper end of the main body inward along the horizontal ruled line 5 that matches the dimension (see FIG. 5) and assemble the canopy flap 2. In this way, the depth of the cardboard case A can be easily adjusted.

[0015]

[Effect of device]

 Therefore, in the present invention, since the sewing machine blade cut is formed at a predetermined position of the main body portion and the horizontal ruled line is also formed at the same time, the height of the main body portion can be adjusted only by tearing the slit piece with a finger, which is dangerous. It has the excellent effect of eliminating the use of cutter knives at all.

[Brief description of drawings]

FIG. 1 is an exploded front view of a cardboard case of the present invention.

FIG. 2 is a perspective view showing an assembled state of the cardboard case of the present invention.

FIG. 3 is a perspective view of a state in which the depth is adjusted from the state of the previous figure.

FIG. 4 is an enlarged view of an essential part showing a relationship among a cutting edge of a sewing machine, a horizontal ruled line, and a slit piece.

FIG. 5 is an enlarged view of an essential part in a state where the depth is adjusted from the state of the previous figure.

FIG. 6 is a developed front view of a conventional cardboard case.

[Explanation of symbols]

 A Corrugated cardboard case 1 Main body 2 Canopy flap 3 Bottom lid flaps 4a, 4b Slit section 5 Horizontal ruled line 6 Sewing machine blade cut 7 Slit piece 8 Paste margin section

Claims (1)

[Scope of utility model registration request] 1. A corrugated cardboard case comprising a canopy flap and a bottom lid flap, which are separated by slits at the upper and lower ends of the body, and in which a plurality of horizontal ruled lines for folding are engraved near the canopy flap of the body. However, the sewing machine blade notch is formed in the main body part on the extension line near the root of the slit part that divides the canopy flap to the depth position reaching the horizontal ruled line, and the depth dimension can be adjusted freely. Cardboard case.