JP3104130U - Resin sheet packaging container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging container in which a free end side peripheral portion of a lid body can always be surely superimposed on a free end side peripheral portion of a container body in a state where the free end side peripheral portion of the lid body is closely overlapped with little displacement. To provide.
SOLUTION: This is a resin container packaging container in which a container body 1 and a lid 2 are integrally connected to each other at one side thereof via a hinge portion 3 so as to be freely foldable. In the open state of No. 2, a protrusion 13 protruding upward is formed adjacent to the inside of the free end side peripheral edge portion 15, 25 of one of the container body 1 and the lid 2, and the container body 1 and the lid are formed. A projection receiving portion 23 which receives the projection 13 and has a peripheral wall portion almost in close contact with the outer peripheral surface of the projection 13 is formed inside one of the other free edge side peripheral portions 25 and 15 with the body 2. What was the configuration.
[Selection diagram] Fig. 1

Description

  The present invention relates to a packaging container made of a resin sheet in which a container body and a lid are integrally formed so as to be foldable and integrally connected at one side thereof via a hinge portion.

  2. Description of the Related Art Conventionally, this type of resin sheet packaging container is well known as a chicken egg packaging container in which an object to be packaged such as a chicken egg is stored and used. In this type of egg packaging container, the lid is bent from the bent portion with respect to the container body to cover the container body in a superimposed manner, and the outer peripheral surface of the joining edge on the free end side has one side. Means for sealing by bending an adhesive tape coated with an adhesive into a U-shape when viewed from the side and adhering the adhesive tape to upper and lower surfaces is employed.

The sealing means by the tape bonding is usually an automatic sealing means using a mechanical device, and the outer edge of the joining edge along the longitudinal direction of the container is transferred while the container in the closed position is being transported by the conveyor. Means is employed in which the upper and lower portions in the width direction of the tape are folded and adhered to the upper and lower surfaces of the container joining edge by a mechanical device while being applied to the middle portion of the upper and lower widths of the tape.
Japanese Patent No. 2706915 Japanese Patent No. 2863903

  In order to ensure automatic tape sealing means using this machine, it is necessary to ensure that the lid is always bent in a constant state and constant posture on the container body. That is, it is necessary that the joining edge on the free end side of the lid body be exactly overlapped on the joining edge on the free end side of the container body with little displacement. The present invention provides a packaging container in which the joining edges on the free end side of the container body and the lid can be always exactly stuck together in the closed position with little deviation in the width direction. It is what we are going to offer.

  In order to achieve this object, the configuration of the resin sheet packaging container according to the present invention, which is taken in order to achieve this object, is such that the container body 1 and the lid 2 are integrated so that one side thereof can be bent and folded via the hinge 3. A container for packaging made of a resin sheet, which is connected to one another, and which is adjacent to the inside of the free edge side peripheral portion 15, 25 of one of the container body 1 and the lid 2 when the lid 2 is in the open state. As a result, a protrusion 13 projecting upward is formed, and the protrusion 13 is received inside the free end side peripheral portion 25, 15 of the other of the container body 1 and the lid 2, and the protrusion 13 is formed. And a projection receiving portion 23 having a peripheral wall portion which is substantially in close contact with the outer peripheral surface of the projection.

  Since the present invention has the above configuration, when the lid is bent from the hinge portion and fitted on the container body, the free end of one of the container body and the lid is in the open state of the lid. A protrusion protruding upward is formed adjacent to the inside of the side peripheral portion, and the protrusion is received inside the other free end side peripheral portion of the container body and the lid, and Since the projection receiving portion having the peripheral wall portion almost in close contact with the outer peripheral surface of the projection is formed, the container main body and the lid can be almost firmly positioned inside the free end side peripheral edge portion. . Therefore, in the closed position, the container body and the lid can always be fitted to the predetermined fitting posture that is originally planned, and the free edge side joining edge of the container body and the free edge side joining edge of the lid can be connected. Expects the effect that the tape can be efficiently and reliably sealed with an adhesive tape using a machine such as an automatic sealing machine, or with a manual tape attachment or stapler in a state where there is little displacement in the width direction. it can.

  Hereinafter, the configuration of the present invention will be described with reference to the accompanying drawings. 1 is a perspective view showing the overall shape of the container, FIG. 2 is a plan view of the container, FIG. 3 is a front view thereof, FIG. 4 is a rear view thereof, FIG. 5 is a right side view thereof, and FIG. It is sectional drawing which shows the folding state cut | disconnected by the part along the code | symbol AA line of description.

  The container shown in this embodiment is intended for a resin sheet packaging container used to individually store and package a total of 10 chicken eggs, two in the front and rear two rows and five in FIG. It is shown.

  This container for packaging eggs is a synthetic resin molded container in which a container body 1 and a lid 2 are integrally connected to each other via a hinge portion 3 at one side thereof using a synthetic resin sheet material. It is. After packaging 10 eggs individually in each of the 10 egg accommodating recesses 11 formed in the container main body 1 of the container, the lid 2 is moved upward from the hinge 3 toward the front. The container body 1 is folded so as to be folded on the container body 1, and the joining edge 15 on the free end side of the container body 1 and the joining edge 25 on the free end side of the lid 2 are overlapped as shown in FIG.

  At this time, the projection 13 formed on one of the container body 1 and the lid 2 and the projection 13 formed on the other one of the projections 13 are received, and the peripheral wall portion almost in close contact with the outer peripheral surface of the projection 13 The projection receiving portion 23 having the position restricts the position of the fitting between the container body 1 and the lid 2, so that the free-end side joining edge 15 of the container body 1 and the free-end side joining edge 25 of the lid 2 always remain. The polymerized bonding edges 15 and 25 are bent almost in a U-shape in a side view with a sealing adhesive tape coated with an adhesive on one side, and bonded together in a state of being wrapped from the outside. It is to let. Reference numerals 14 and 24 in the drawing denote an upper protruding rib extending over the entire width and a concave portion that fits the rib, which are located at both ends in the longitudinal direction of the container of the embodiment. It serves to prevent invasion of insects and insects.

  Although the embodiment considered to be representative of the present invention has been described above, the container according to the present invention is not limited to the chicken egg packaging container shown in the embodiment, for example, a container using a synthetic resin sheet material. The main body and the lid may be a synthetic resin container of another form in which one side thereof is integrally connected so as to be foldable via a hinge portion, and in the above-described embodiment, the protrusion and Although the projection receiving portions are shown as being formed at three locations, these projections and the projection receiving portions are located at only one of the intermediate portions in the length direction of the free end side joining edge or sandwich the intermediate portion. It can be implemented as being formed at a location.

The perspective view which showed the container of this invention. The top view of FIG. The front view of FIG. The rear view of FIG. The right view of FIG. FIG. 3 is a sectional view of the closed state along the line AA in FIG. 2.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Container main body 2 Lid 3 Hinge part 13 Projection 15 Free end side peripheral part 23 Projection receiving part 25 Free end side peripheral part

Claims (2)

A container for packaging made of a resin sheet, in which a container body 1 and a lid 2 are integrally connected at one side thereof via a hinge 3 so as to be freely folded and folded, wherein the lid 2 is in an open state. , A projection 13 protruding upward is formed adjacent to the inside of the free edge side peripheral edge portion 15 or 25 of one of the container body 1 and the lid 2. A resin sheet made of a resin sheet in which the projection 13 is received and the projection receiving portion 23 having a peripheral wall portion almost in close contact with the outer peripheral surface of the projection 13 is formed inside one of the other free end side peripheral edges 25 and 15. Packaging containers. The resin container packaging container according to claim 1, wherein the container body (1) includes an individual concave portion (11) for receiving a lower half portion of the egg, and the lid (2) includes a concave portion (21) covering an upper surface of the egg.

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