JP3135510B2 - Container made of synthetic resin sheet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container made of a synthetic resin sheet in which a container body and a lid are integrally connected so as to be foldable and integrated at a bent portion using a synthetic resin sheet material. .

[0002]

2. Description of the Related Art In a conventional container made of a synthetic resin sheet of this type, in which a container body and a lid body are integrally connected so as to be foldable at a bent portion, the container is not allowed to float when sealed. Sealing was performed by fastening the edge portion at several places with a stapler, or attaching the edge portion to the outer peripheral edge portion using an adhesive tape.

[0003]

Therefore, in this kind of conventional container, once the stapler or the adhesive tape is removed at the time of opening and the container is opened once, the container lid is opened by the restoring force of the bent portion. When it is naturally opened, a part of the contents of the container is taken out, and the remaining contents are stored in a refrigerator or the like.For example, in a chicken egg packaging container, after taking out the required number of eggs, the remaining eggs are removed. When stored in a refrigerator, the open lid of the container is bulky and obstructive, and has a problem that a large storage space is required.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the problems of the conventional resin sheet container, and to store a part of the contents after opening the container. A container made of a resin sheet that can maintain or hold a sealed state by the container itself without any need for members or parts, and has a structure in which the lid is bulky and does not require a large storage space. It is something to offer.

[0005]

Means for Solving the Problems The construction of the container made of a synthetic resin sheet according to the present invention for achieving the object will be described with reference to the reference numerals used in the description of the embodiments. And a lid 2 are connected and formed so as to be foldable at a bent portion 3, and the outer peripheral edge portions 1E,
The bent tongue piece 4 provided on either one of the 2E, on the other, a notch 5 which is sized to receive a tongue 4 for bending該折provided, the deepest portion 51 and the tongue of the notch 5 Fold of piece 4
One or both of the bending base 41 and the
Forming cut lines 52, 42 or cut portions,
The innermost part 51 of the notch 5 and the bent base 41 of the tongue piece 4 at the notch lines 52, 42 or the notch.
Are engaged with each other, and at the time of the engagement, the tongue piece 4 prevents the outer peripheral edge portions 1E and 2E from moving in the separating direction.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In carrying out the present invention having such a structure, a bending line 43 and a linear rib 43 for facilitating bending are provided on a bending base 41 of the tongue piece 4.
It is good to implement as the structure which formed. Further, a cut line 52 or a cut portion is formed in the innermost portion 51 of the cutout portion 5 in the width direction, so that the base 41 of the tongue piece 4 enters and engages with the cut line 52. Conversely, the present invention can be implemented as a structure in which a cut line 42 or a cut portion is formed in the width direction of the base 41 of the tongue piece 4.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 are views showing a first embodiment of the present invention. FIG. 1 is a perspective view of a synthetic resin sheet container shown as a chicken egg packaging container in an open state, and FIG. FIG. 3 is a partial perspective view showing a state before the container body 1 and the lid 2 are sealed, FIG. 3 is a partial perspective view showing a state where the container body 1 and the lid 2 are sealed, and FIG.
5 is an enlarged perspective view showing the shape of the tongue piece 4 and the notch 5 before the engagement state, FIG. 5 is an enlarged perspective view showing the engagement state of the tongue piece 4 and the notch part 5, and FIG. 6 is A in FIG. It is an enlarged cross-section along the line -A.

The container made of a synthetic resin sheet for packaging eggs shown in FIG. 1 has a container body 1 and a lid 2, and a bent portion 3 for connecting these two bodies 1 and 2 to be openable and closable. It comprises a notch 5 provided in the outer peripheral edge portion 1E of the container body 1 and a bending tongue piece 4 provided in the outer peripheral edge portion 2E of the lid 2, and is formed from a thin sheet material by vacuum or blow molding means. It is integrally molded. The container main body 1 and the lid 2 have a total of 10 pieces in two rows and 5 pieces each forming an egg holding space when both are closed.
The individual concave portions 11 and concave portions 21 are formed. In the figures, reference numerals 12 and 22 denote recesses 11, 11, and 2 of the container body and the lid.
Partition walls 13 and 23 between 1 and 21 are partition columns formed between the four concave portions.

The notch 5 formed in the outer peripheral edge portion 1E of the container body 1 is provided at two positions deviated left and right of the outer peripheral edge portion 1E so as to be cut from the outer peripheral portion. This notch 5
Although two are provided in the longitudinal direction of the front portion of the outer peripheral edge portion 1E, one or three or more may be provided. The notch 5 shown in this embodiment has a large opening at the tip end and is cut straight in the back portion. A notch 52 is provided for engaging and holding the bent portion of the portion. This notch 5
2 may be substantially a score line.

The bending tongues 4 to be engaged with the notches 5 are provided at positions overlapping the notches 5 when the outer peripheral edge portion 2E of the lid 2 is closed. This bending tongue piece 4
Has a knob portion 44 having a wide width on the front end side so that it can be easily grasped with a fingertip, and a bending line 43 shown in FIG. Is provided with a notch 42 so as to engage with the notch 52 at the innermost part of the notch 5. Instead of the bent line 43, a linear rib may be provided at the bent line 43.

In this embodiment, the notch 5 is provided in the container body 1 and the tongue 4 for bending is provided in the lid 2.
May be provided with a tongue 4 for folding, and a notch 5 may be provided in the lid 2, and the tongue 4 for folding and the notch 5 may be connected to the container body 1.
And the lid 2 may be provided one by one or three pairs alternately.

At the time of use, after closing the lid 2 on the container main body 1, the user grips the knob 44 of the tongue 4 for bending the lid 2 and pushes it down to bend it. The part 42 is engaged with the notch 52 at the innermost part of the notch 5. In this manner, the bent tongue piece 4 is prevented from moving forward and upward due to the automatic restoring force by the notch portion 42 engaging with the notch portion 52 of the notch portion 5, and is closed. Maintain and hold the lid. Therefore, opening of the lid 2 is prevented.

FIGS. 7 and 8 show a second embodiment in which the tongue piece 4 is suspended in the above-described embodiment. Folded base 41
The uppermost portion of the notch 5 is bent into a U-shape. In this case, after the product is stored in the container, a sealing seal is attached to the upper surface of the tongue portion, or a sealing seal is attached to the upper and lower outer peripheral surfaces of the tongue portion. By doing so, the product can be offered for sale.

Although the embodiments which are considered to be representative of the present invention have been described above, the present invention is not necessarily limited to these embodiments, and the container is not limited to the egg container. Needless to say, the container may be a container made of a synthetic resin sheet for accommodating a product, and has the above-mentioned constitutional requirements of the present invention, and achieves the object of the present invention, and has the following effects. The present invention can be appropriately modified and implemented within the range.

[0015]

As is clear from the above description, in the container made of a synthetic resin sheet according to the present invention, the container main body and the lid are connected to each other at a bent portion by a synthetic resin sheet material so as to be foldable. A bent tongue piece provided on one of the outer peripheral edge portions formed in a straight line of the two bodies, and a cutout portion sized to receive the bending tongue piece on one of the other. And the innermost of these notches
On either or both of the tongue and the base of the tongue,
Form a score line or cut in the lateral direction
And a folding base engaged with each other at score lines or incisions in the deepest portion of the notch the tongue, the thickness
It is thin and can be fixed only by contact friction between cut surfaces
Although it is a container made of synthetic resin sheet that can not be stored
Simple, just pinch the tongue and push in the bending direction
With this operation, the bent base of the tongue piece is securely fixed at the innermost part of the notch at the time of the engagement, so that the repulsive force is large.
Despite being a container made of a synthetic resin sheet, the forward movement of the outer peripheral edge portion and the movement in the separating direction can be reliably prevented, and the contents of the container are opened after the container is opened. When storing a part, the sealing state can be maintained or held by bending the tongue piece of the container itself without any need for sealing members or parts, and the lid is bulky and large storage A remarkable effect that the space can be used without requiring any space can be expected.

[Brief description of the drawings]

FIG. 1 is a perspective view of a container according to a first embodiment in an open state.

FIG. 2 is a partial perspective view showing a state before the container body and a lid are sealed.

FIG. 3 is a partial perspective view showing a sealed state of a container body and a lid.

FIG. 4 is an enlarged perspective view of a main part in FIG. 2; .

FIG. 5 is an enlarged perspective view of a main part in FIG. 3;

FIG. 6 is an enlarged sectional view taken along the line AA of FIG. 5;

FIG. 7 is a perspective view of a portion corresponding to FIG. 5 showing a second embodiment.

FIG. 8 is an enlarged sectional view taken along the line BB of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 1E Peripheral edge part of container main body 2 Lid 2E Peripheral peripheral part of lid 3 Bending part 4 Folding tongue piece 5 Notch 41 Bending base 51 Innermost part

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 85/32 B65D 43/22

Claims (1)

(57) [Claims] 1. A container body made of a synthetic resin sheet material.
A container in which (1) and a lid (2) are connected and formed so as to be foldable at a bent portion (3), and a linear outer peripheral portion of the two bodies (1) and (2) is formed. A bending tongue (4) is provided on one of (1E) and (2E), and the bending tongue (4) is provided on one of the other.
The size and the notch to accept the (5) is provided, these
The innermost part (51) of the notch (5) and the bent base (41) of the tongue piece (4)
Either or both, cut lines (52),
(42) or cuts, and these cut lines (5
2), (42) or the notch (5)
1) and the bent base portion (41) of the tongue piece (4) engage with each other, and at the time of the engagement, the tongue piece (4)
A container made of a synthetic resin sheet having a structure for preventing (1E) and (2E) from moving in the separating direction.