JP2010058809A - Simple heating container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple heating container that can be manufactured at a low cost and excels in usability by forming a lid by a simple configuration so that, when food is heated and cooked in a microwave oven or the like, the lid is prevented from being detached from the container body due to vapor pressure produced in a container body. <P>SOLUTION: The simple heating container 1 is used for heating, with the lid 3 fitted in the opening 2a of the container body 2 storing food. In the container 1, a fitting portion 6 is formed in the upper part of the outer edge of a flange 4 formed on the periphery of the lid 3. The fitting portion 6 fits on an edge 5 formed so as to project along the outer circumference of the opening 2a of the container body 2. Inside projections 7 that lock the edge 5 of the container body 2 are formed on the external surface 6a of the fitting portion 6. In addition, projecting grooves 8 for removing vapor in the container body are formed at regular intervals in a plurality of areas of the external surface 6a of the fitting portion 6. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a simple container for heating for cooking various foods such as fresh foods, frozen foods, and side dishes with a microwave oven or the like.

  Conventionally, when various ingredients such as fresh foods, frozen foods, side dishes are stored in a container and heated in a microwave oven, etc., the ingredients stored in the container body do not leak to the outside, and for hygiene reasons The heating is performed with the lid fitted in the opening of the container body.

  In the container main body having such a lid, when steam is generated from the food contained in the container main body and expands during heating, the vapor pressure presses the lid outward. There was a risk that the body would come off the container body.

Therefore, referring to the microwave cooking container shown in Patent Document 1 as a conventional technique, this container is provided with a steam discharge groove in the fitting part of the lid and the cap, while the fitting part of the container body and the lid is provided in the fitting part. It has a configuration in which the inward convex part of the main body fitting part and the outward convex part of the lid lower part fitting part are closely fitted in a vertical positional relationship, and there is a slight gap between both convex parts. By providing a gap, not only can the steam pressure rapidly expanded during cooking in the microwave oven be received by the steam discharge groove of the cap, but can also be temporarily received by the fitting portion of the main body container and the lid. It is a configuration.
Utility Model Registration No. 3144093

  However, in the above configuration, when the lid is provided with a cap, and the container main body is combined with this, the whole structure is composed of three pieces, and the fitting portion between the lid and the cap, and the fitting portion between the container main body and the lid. Since each has a mechanism for adjusting the pressure of the steam, the structure is complicated and the manufacturing cost increases.

  The present invention has been made in view of the above circumstances, and has a structure in which the lid does not come off from the container body due to the vapor pressure generated inside the container body during heating cooking using a microwave oven or the like. An object of the present invention is to provide a simple heating container that can be manufactured at a low cost and is excellent in usability by being formed with a simple structure.

  In order to achieve the above object, a heating simple container according to claim 1 of the present invention is a heating simple container for heating in a state where a lid is fitted to an opening of a container main body for storing food. A fitting portion that fits the edge portion that protrudes from the outer periphery of the opening of the container body is formed above the outer edge of the flange portion that is formed on the outer periphery of the lid, and is formed on the outer surface of the fitting portion. While forming the inner convex part which locks the edge of the container body, the outer surface of the fitting part is formed with protruding grooves for venting the steam in the container body at a plurality of positions at equal intervals. To do.

  The simple heating container according to claim 2 of the present invention is characterized in that, in claim 1, the groove depth of the protruding groove is equal to the material thickness of the lid.

  In the present invention described above, a fitting portion is formed on the outer edge of the flange portion formed on the outer periphery of the lid body so as to fit the edge portion protruding from the outer periphery of the opening of the container body. When the fitting portion of the container body is fitted to the edge portion of the container body, the fitting portion of the container body is fitted to the edge portion of the container body. When the inner convex portion is locked and the vapor pressure is generated inside the container main body in this state, the lid body is difficult to come off from the opening of the container main body.

  Further, in the present invention, since the projecting groove for venting the steam in the container body is formed at a plurality of positions at equal intervals on the outer surface of the fitting portion, the steam pressure generated inside the container body is proportionate. In combination with the above effects, when the food contained in the container according to the present invention is heated and cooked in a microwave oven or the like, the lid body is difficult to come off due to the vapor pressure and is safe. It becomes possible to obtain a simple container for heating that can be used with care.

  Furthermore, the simple container for heating according to the present invention can be manufactured easily and inexpensively because the lid body is one piece of an integral structure.

  Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIG. 1, the simple heating container 1 of the present invention is a simple heating container 1 that is heated in a state in which the lid 3 is fitted to the opening 2 a of the container main body 2 that stores food. A fitting portion 6 is formed on the outer edge of the flange portion 4 formed on the outer periphery of the lid body 3 so as to fit the edge portion 5 protruding from the outer periphery of the opening portion 2a of the container body 2, and the fitting On the outer surface 6a of the portion 6, the inner convex portion 7 for locking the edge 5 of the container body 2 is formed, while the steam in the container body 2 is vented at a plurality of locations on the outer surface 6a of the lid 3 at equal intervals. A protruding groove 8 is formed.

  The heating simple container 1 having such a configuration will be described in detail. The container body 2 is made of paper or synthetic resin, and has a reinforcing edge on the outer periphery of the upper opening 2a having a circular cap shape, for example. Part 5 is formed. As shown in FIG. 5B, the edge 5 of the container body 2 has a shape in which the upper part of the outer periphery of the container body 2 is curled inward while being bent outward. .

  In each drawing of the present embodiment, the container body 2 is configured to have a circular cap shape. However, the present invention is not limited to such a shape, and for example, has a configuration having a square cap shape. Is also applicable, and the shape of the lid 3 is also determined in accordance with the opening shape of the container body 2.

  The lid 3 is formed from a synthetic resin such as polypropylene with a thin thickness, and is formed of a cap portion 9 bulging upward inward and an annular flange portion 4 formed on the outer periphery thereof. A fitting portion 6 for fitting the edge portion 5 of the opening 2 a of the container body 2 is formed above the outer edge of the flange portion 4. As shown in FIGS. 4B and 5B, the fitting portion 6 has a shape that rises upward from the outer edge of the flange portion 4 with a predetermined width. The outer side surface 6 a has a shape that hangs downward from the height of the flange portion 4.

  Further, as shown in FIGS. 1, 3A, 3B, 4A, 4B, etc., a plurality of portions on the outer surface 6a of the fitting portion 6 are long in the lateral direction at equal intervals. An inner convex portion 7 of the scale is formed. When the fitting portion 6 of the container body 2 is fitted to the edge portion 5 of the container body 2, the edge portion 5 of the container body 2 is formed by the inner recess 7 as shown in FIG. 3 (b) or 4 (b). Since the edge 5 of the container main body 2 is locked by the inner convex portion 7 by being placed in the upper part, the lid 3 is still in the container even when steam pressure is generated inside the container main body 2 during heating cooking such as a microwave oven. It becomes a structure which is hard to come off from the edge 5 of the main body 2.

  Further, in the present embodiment, as shown in FIG. 1 or FIG. 2, projecting grooves 8 are formed on the outer surface 6 a of the lid 3 at a plurality of locations at regular intervals to vent steam from the container body 2. The protruding grooves 8 are provided between the plurality of inner convex portions 7, 7... And provided at a plurality of locations (four locations in FIG. 2) at equal intervals on the outer surface 6 a of the lid 3. The vapor pressure generated inside the container body 2 can be extracted from each protruding groove 8 at an equal rate.

  Further, the projecting groove 8 is formed to project outward from the outer surface 6a of the lid body 3 in a square shape, and the groove depth D of the projecting groove 8 is determined by the material thickness of the lid body 3 as a result of various experiments. For example, when the lid body 3 is formed of a synthetic resin sheet having a thickness of 0.7 mm, the groove depth of the protruding groove 8 may be 0.7 mm. In addition, when cooking by heating with a microwave oven etc. in the state which fitted the fitting part 6 of the cover body 3 to the edge part 5 of the opening part 2a of the container main body 2 which accommodated foodstuff, the vapor pressure of the water vapor | steam generated from the foodstuff As a result, the entire lid body 3 and the fitting portion 6 of the lid body 3 bulge outward, and the protruding groove 8 is also deformed into the bulged state, so that more vapor pressure can be extracted.

  Further, the area of the protruding groove 8 is 4.75 square millimeters (0.0475 square centimeters) in the present embodiment when calculated by the projected area. On the other hand, the projected area of the lid 3 is determined from the inner diameter of the mouth. The calculation is 117 square centimeters. Therefore, the projected area of the protruding groove 8: the projected area of the lid 3 is approximately 2463: 1. Even when the size of the lid 3 changes, the area of the projected groove 8 is set at the ratio of the projected area. What is necessary is just to form.

  In FIG. 1, the tab 10 protruding from the outer periphery of the lid 3 is picked up by the fingertip and lifted when the lid 3 fitted to the opening 2 a of the container body 2 is taken out. Thus, the lid 3 can be easily taken out while being inclined obliquely.

  In addition, stack patterns 11 are formed at a plurality of locations at equal intervals on the outer periphery of the cap portion 9 of the lid 3, and linear uneven grooves 12 are formed at a plurality of locations at equal intervals on the periphery of the cap portion 9. Has been.

  The simple container for heating according to the present invention has a simple structure in which the lid body does not come off from the container body due to the vapor pressure generated inside the container body during heating cooking using a microwave oven or the like. By forming it, it can be manufactured at a low cost and can be used as a simple container for heating excellent in usability.

It is a disassembled perspective view of the simple container for heating by this invention. It is a top view of the state which removed the cover body from the container main body of the simple container for heating by this invention. It is a side view of the simple container for heating by this invention, (a) shows the state which removed the cover body from the container main body, (b) shows the state which fitted the cover body to the container main body. It is sectional drawing of the simple container for a heating by this invention, (a) shows the state which removed the cover body from the container main body, (b) shows the state which fitted the cover body to the container main body. (a) is the elements on larger scale of the fitting part of the simple container for heating corresponding to the AA arrow line cross-section location of FIG. 2, (a) is the AA arrow cross-section figure of FIG. is there.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Simple container 2 for heating Container body 2a Opening part 3 Cover body 4 Flange part 5 Edge part 6 Fitting part 6a Outer side surface 7 Inner convex part 8 Protruding groove 9 Cap part 10 Pulling piece 11 Stack pattern 12 Linear uneven groove D Groove depth

Claims (2)

In a simple container for heating that heats in a state in which a lid is fitted to an opening of a container main body that stores ingredients,
A fitting portion is formed on the outer surface of the flange portion formed on the outer periphery of the lid body, and a fitting portion is formed on the outer surface of the fitting portion. While forming the inner convex part which latches the edge part of a main body, the outer side surface of this fitting part is formed with the protrusion groove | channel which vents the vapor | steam in a container main body in several places at equal intervals, It is characterized by the above-mentioned. Simple container for heating.   The simple container for heating according to claim 1, wherein the groove depth of the protruding groove is equal to the material thickness of the lid.