JPH08217108A - Lid of container - Google Patents

Abstract

PURPOSE: To provide a lid for a container which may be favorably incinerated in the case of incineration disposal. CONSTITUTION: In a hinged lid 1 of a container comprising a lid top side 10, a perimetric lid-framing part 20, a skirt 30, and hinges 4 a part of the lid top side 10 consists of a paper-made top side 11. A top side-pasting part 12 is formed along the perimetric lid-framing part 20. The pasting surface of the top side-pasting part 12 is formed in a wavy pattern.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container lid, and in particular,
The present invention relates to a container lid body in which the top plate of the lid body is formed of paper to improve the processability at the time of disposal.

[0002]

2. Description of the Related Art Conventionally, a container lid 1 as shown in FIG. 4 has been used as a container lid for powder detergent and the like.

In FIG. 4, a container lid 1 for opening and closing an opening of a container body 40 for accommodating a powder detergent is a substantially rectangular lid top 10 integrally formed of resin, and this lid body. It is composed of a lid peripheral edge portion 20 formed around the top portion 10 and a skirt portion 30 extending downward from the lid peripheral edge portion 20.

Most of the lid 1 forms a lid opening / closing portion 2 which can be opened and closed with respect to the container body 40.
A part of 1 forms a lid fixing portion 3 for fixing the container lid 1 to the container body 40.

A skirt portion 30a of the skirt portion 30 corresponding to the lid opening / closing portion 2 is formed in a strip shape so as to be peeled off, and a knob 31 for facilitating the peeling off is provided.

The lid 1 has a hinge portion 4 formed between the lid opening / closing portion 2 and the lid fixing portion 3, and the lid fixing portion 3 serves as a support portion. The lid opening / closing part 2 is configured to open and close in the longitudinal direction.

When the container lid 1 having the above structure is used after purchase, the knob 31 is pinched and the skirt portion 30a corresponding to the lid opening / closing portion 2 is stripped off to support the lid fixing portion 3. The lid opening / closing portion 2 is opened and closed through the hinge portion 4 for use.

[0008]

However, in the above-mentioned conventional container lid 1, since the entire container lid 1 is made of resin, there is a problem in ease of processing when the container lid 1 is discarded. There is. That is, since a container lid made of resin (plastic) does not decompose even if it is discarded, it is generally incinerated. In this case, the high temperature combustion heat generated when the resin (plastic) burns may damage the incinerator. In addition, there is also a problem in processing speed, such as the need to incinerate in small amounts to prevent this.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a container lid body having improved processability at the time of disposal.

[0010]

In order to achieve the above object, the container lid of the present invention is a container lid having a hinge function consisting of a lid top plate portion, a lid peripheral portion, a skirt portion and a hinge portion. In the body, a part of the lid top plate portion is formed of paper, and preferably, the top plate adhesive portion is formed along the lid peripheral portion, and the surface of the top plate adhesive portion is wavy It is configured as

[0011]

In the container lid of the present invention having the above-mentioned structure, since the top plate part of the container lid is partially made of paper, the combustion heat at the time of incineration is higher than that when the whole is made of resin. Is kept low, and the processability when discarding the container lid is excellent.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partially exploded perspective view showing an example of a container having a container lid of the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG.
FIG. 6 is a perspective view showing a state in which a container lid is opened.

As shown in FIGS. 1 and 2, the container lid 1 of the present invention includes a lid top plate portion 10, a lid peripheral portion 20 formed around the lid top plate portion 10 and the lid. Body peripheral part 20
And a skirt portion 30 formed at the lower edge of the.

Further, the container lid 1 has a lid opening / closing part 2 which can be opened and closed with respect to the container body 40, and this lid opening / closing part 2.
And a hinge portion 4 for hinge-joining the lid opening / closing portion 2 to the lid fixing portion 3.

At the central portion of the lid top plate portion 10, a top plate adhesive portion 12 for adhering the paper top plate 11 is formed along the lid peripheral portion 20. The top plate adhesive portion 12 is recessed, and its surface is preferably formed into a corrugated unevenness 13 in order to enhance the adhesiveness with the top plate 11. The periphery of a paper-made top plate 11 is adhered to a top plate adhesive portion 12 forming a part of the lid top plate portion 10. Here, as shown in FIG. 2, the top plate adhesive portion 12 is formed in a state of being dropped by the paper thickness of the top plate 11, so that the surface of the container lid 1 can be made smooth. .

Further, the lid top plate portion 10 includes a lid peripheral portion 2
The fitting portion 14 into which the opening peripheral edge 41 of the container body 40 is fitted is formed between the inner peripheral edge 21a of 0 and the inner wall 21b provided inside the inner peripheral edge 21a at a distance.

The skirt portion 30 is formed continuously with the lower end edge of the inner peripheral edge 21a of the lid peripheral edge portion 20. On the inner circumference of the skirt portion 30, there is formed a convex portion 33 that engages with a convex portion 43 formed on the outer periphery of the container body 40 near the opening peripheral edge of the container body 40. The convex portion 33 formed on the inner circumference of the skirt portion 30 engages with the convex portion 43 formed on the outer circumference of the container body 40 to fix the container lid 1 to the container body 40.

The skirt portion 30a of the skirt portion 30 corresponding to the lid opening / closing portion 2 is formed in a strip shape so that it can be peeled off, and a knob 31 for facilitating the peeling off is formed on the hinge portion 4. It is provided in the vicinity. To form the skirt portion 30a so that it can be stripped off, for example, the connecting portion 32 between the skirt portion 30a and the lower end edge of the lid peripheral portion 20 may be formed thin.

In the hinge portion 4, a folding line L is provided on a paper top plate 11 which constitutes the lid top part 10, and a top plate adhesive part 12 is provided.
The thin-walled portion 15 is formed on the inner surface of the, and the thin-walled portion 22 is formed so that the notch 23 is formed in the lid peripheral portion 20. Here, the top plate 11 and the top plate bonding portion 12 are the top plate 1
A resin of the same type as that of the resin forming the top plate bonding portion 12 is laminated on 1 and bonded by heat sealing or ultrasonic sealing via this resin layer. In this case, the wavy unevenness 13
By using, the adhesion can be easily performed. If the top plate 11 is not laminated with a resin of the same type as the top plate adhesive portion 12, an adhesive such as a hot melt adhesive may be used.

As shown in FIG. 3, the container body 40 has a box-like shape with an open upper part, and an opening peripheral edge 41 made of resin is provided on the peripheral edge of the opening. Further, the container body 40 is a so-called pillar container formed of paper, and the opening peripheral edge 41, the convex portion 43, and the column portion 44 for adhering the seam of the body blank plate are integrally formed of resin. There is.

As a material for forming the top plate 11 made of paper,
Paperboard is preferably used, and processed paperboard is particularly preferably used. More specifically, white balls, craft balls, coated balls, laminated balls, polyethylene-processed balls, polypropylene-processed balls, resin-processed balls, and various laminated papers can be mentioned.

Of these, PE is preferred.
It is a laminated paper such as (polyethylene) / paper / LDPE (low density polyethylene), PE (polyethylene) / paper / PP (polypropylene).

On the other hand, as the resin material for forming the top plate bonding portion 12, the lid peripheral portion 20 and the skirt portion 30, for example, polyethylene (low density, medium density, high density) resin, linear low density polyethylene resin ( LLDPE), polypropylene resin, ethylene / vinyl acetate copolymer resin, ethylene-vinyl alcohol copolymer resin, vinylidene chloride copolymer resin, polyvinyl chloride resin (soft or hard), polystyrene resin, polyester resin, polyamide resin,
Examples of the resin include polyvinyl alcohol resin, acrylic resin, and polycarbonate resin.

The top plate bonding portion 12, the lid peripheral portion 20, and the skirt portion 30 may be integrally formed of the same material, or they may be formed of different materials and then joined together to be integrally formed. You may form.

When the container lid 1 having the above structure is used after purchase, the knob 31 is pinched and the skirt portion 30a is stripped off, and the lid fixing portion 3 is used as a support portion and the lid portion is provided via the hinge portion 4. The body opening / closing part 2 is adapted to be opened and closed for use.

In the container lid 1 of the present invention, since the top plate 11 of the top plate portion 10 of the container lid 1 is formed of paper, the incineration property when the container lid 1 is discarded is excellent. . In addition, the sealing property, toughness, and lightness of the conventional container are not impaired.

The container lid 1 of the present invention is not limited to the above-mentioned embodiment, and can be implemented by appropriately modifying it. For example,
The dimensions, shapes, etc. of the top plate adhesive portion 12 and the top plate 11 are appropriately modified depending on the contents such as detergent, sugar, flour, salt, seasonings and the like.

It is also possible to form a top plate adhesive portion on the upper edge of the peripheral edge portion 20 of the lid and to attach a paper top plate to the top plate adhesive portion.

[0029]

As is apparent from the above detailed description, according to the container lid of the present invention, a part of the top plate portion of the container lid is formed of paper. Excellent incineration process when discarded.

[Brief description of drawings]

FIG. 1 is a partially exploded perspective view showing an example of a container having a container lid of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a perspective view showing a state in which a container lid is opened.

FIG. 4 is a perspective view showing an example of a container having a conventional container lid.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Container lid 4 ... Hinge part 10 ... Lid top plate part 11 ... Top plate 12 ... Top plate adhesive part 20 ... Lid peripheral part 30 ... Skirt part

Front Page Continuation (72) Inventor Yuujiro Miyamoto 1811 Minami Ikomimachi, Midori-ku, Chiba, Chiba Prefecture (72) Inventor Kyosuke Suzuki 1-1-1, Tanikaga-cho, Shinjuku-ku, Tokyo Dai Nippon Printing Co., Ltd. (72) Invention Person Kazuki Konishi 1-1-1 Ichigayaka-cho, Shinjuku-ku, Tokyo Within Dai Nippon Printing Co., Ltd. (72) Inventor Toru Nakayama 402, Shinkai, Takeyoshizawa, Miyoshi-cho, Iruma-gun, Saitama Nakayama Industrial Co., Ltd.

Claims (2)

[Claims] 1. A lid function comprising a lid top plate portion, a lid peripheral portion formed around the lid top plate portion, a skirt portion extending downward from the lid peripheral portion, and a hinge portion. A container lid body, wherein a part of a lid top plate portion is formed of paper. 2. The container lid body according to claim 1, wherein a top plate adhesive portion is formed along a peripheral edge portion of the lid body, and a surface of the top plate adhesive portion is formed into a corrugated uneven shape.