JP5121005B2 - Container with handle - Google Patents

Description

  The present invention relates to a disposable container capable of heating the contents using induction heating by an electromagnetic cooker, microwave dielectric heating by a microwave oven, and the like, and in particular, a disposable container capable of heating the contents, and the container body is The present invention relates to a container with a handle provided with a separable handle.

Various types of disposable containers that can heat the contents using induction heating by an electromagnetic cooker or microwave dielectric heating by a microwave oven have been proposed. That is, for example, Patent Document 1 below describes a disposable container obtained by processing a steel plate having magnetism suitable for heating in an electromagnetic cooker into a pan shape as an electromagnetic cooking container excellent in recyclability. In Patent Document 2 below, a nonmagnetic material having heat insulation is used as a recyclable or reusable electromagnetic cooker / microwave oven shared container to form a container having a recess, and a magnetic body is formed on the bottom surface of the recess A disposable container is described in which a plate material to be mounted is detachably configured.
JP 2000-271010 A JP 2002-177149 A

  By the way, about the disposable container which can heat the contents with the above-mentioned conventionally well-known electromagnetic cooker etc., since the whole container is formed from the steel plate in what was described in said patent document 1, the contents When the container is heated and becomes hot, the container itself becomes hot and it becomes difficult to hold the container with bare hands. Moreover, in the thing as described in said patent document 2, since the main body of the container which has mounted the magnetic body in the recessed part bottom is made of synthetic resins, such as a polystyrene foam and polyethylene, the heating temperature of the content is made high. Then, there exists a problem that there exists a possibility that a main part of a container may deform | transform.

  The present invention has an object to solve the above problems. Specifically, a disposable container capable of heating the contents by an electromagnetic cooker or the like can be handled even when the contents are heated to a high temperature. It is an object of the present invention to make it easy to separate and collect for recycling without easily deforming the container.

In order to solve the above problems, the present invention provides a container main body having a flange portion formed at the upper end, a lid member that is detachably attached to the upper surface of the flange portion of the container main body, and the container by hand. In a container with a handle provided with a handle for holding, a metal container body and a synthetic resin handle are formed in a fitting part formed in a flange part of the container body, and a fitting part formed in the handle And a container with a handle that is configured so that the handle does not cover the upper surface of the flange portion of the container body, with the container body and the handle fitted in a detachable manner , As the fitting portion formed on the flange portion of the container body, a curled portion is formed by curling the outer peripheral end portion of the flange portion so as to be bent downward. As the fitting portion formed on the handle, the handle The fitting groove is recessed from the top surface of the The handle made of synthetic resin is formed with a grip portion extending outward from the flange portion of the container body, and the finger contacts the container body when the container is handled by holding the grip portion by hand. A protective wall portion is formed to extend downward along the upper side wall of the container body between the grip portion and the upper side wall of the container body below the flange portion of the container body. And an auxiliary groove portion between the protective wall portion and the fitting groove portion for easily bending and deforming the inner wall of the fitting groove portion when the curl portion of the container body is detached from the fitting groove portion of the handle. Is formed .

According to the container with a handle as described above, when the contents are heated by an electromagnetic cooker or the like, the container body is made of metal and has excellent heat resistance, so that the container is not deformed, In addition, since the handle is made of a synthetic resin and a sufficient heat insulating effect can be obtained, the container can be easily handled by holding the handle with a bare hand. In addition, when the container body and the handle are fitted, the handle does not cover the upper surface of the flange portion of the container body, so that the handle becomes an obstacle when the lid member is attached to the upper surface of the flange portion. Therefore, it is possible to sufficiently secure the area of the seal portion between the flange portion and the lid member. Furthermore, when handling a heated container with a handle with a bare hand, it is possible to prevent fingers from coming into contact with the heated container body, and when collecting the container for recycling, The metal container main body and the synthetic resin handle can be easily disassembled, and their separate collection can be easily performed.

Disposable containers that can heat their contents with an electromagnetic cooker, etc., can be easily handled even if the contents are heated to a high temperature, and the containers are not deformed, and can be easily separated and collected for recycling. As shown in the following examples as the best mode, the container body with the flange portion formed at the upper end and the upper surface of the flange portion of the container body are releasably attached. In a container with a handle comprising a lid member and a handle for holding the container by hand, a metal container body and a synthetic resin handle are formed on a flange portion of the container body, , by a fitting portion formed on the handle, while being removably fitted in a state where the container body and the handle is fitted, it is configured such that not cover grip the upper surface of the flange portion of the container body A container with a handle As a fitting portion formed on the flange portion of the container body, a curled portion formed by curling the outer peripheral end portion of the flange portion so as to be bent downward is formed, and as a fitting portion formed on the handle, A groove for fitting is formed so as to be recessed downward from the upper surface of the handle, and a grip portion extending outward from the flange portion of the container body is formed on the handle made of synthetic resin, and the grip portion is held by hand. A protective wall for preventing fingers from coming into contact with the container body when handling the container is provided below the flange part of the container body between the gripping part and the upper side wall of the container body. A wall that is formed so as to extend downward along the upper side wall, and the inner wall of the fitting groove when the curl portion of the container body is detached from the fitting fitting groove between the protective wall and the fitting groove. forming the groove for aid to facilitate resiliently deformed, that It was realized in the.

  Hereinafter, one embodiment of a container with a handle according to the present invention will be described. The container according to this embodiment is a disposable container capable of heating contents using induction heating by an electromagnetic cooker, microwave dielectric heating by a microwave oven, or the like. As shown in FIG. 1, the container filled and sealed with the contents is made of a metal container body 2, a lid member 3 for sealing the opening of the container body 2, and a synthetic resin. And a handle 4.

  The metal container body 2 is formed of a material having a magnetic metal plate such as carbon steel or ferritic stainless steel suitable for general induction heating, and at least the inner surface side of the metal plate and On the surface, a polyester thermoplastic resin film such as polyethylene terephthalate or a coating film made of epoxy / phenolic resin is provided.

  In the container body 2 drawn into a cup shape from such a resin-coated metal plate, the body portion 22 extends from the outer peripheral edge of the substantially disc-shaped bottom portion 21 so as to increase in diameter in a tapered shape upward. As shown in FIG. 2, a stack portion 23 projecting outward is formed above the trunk portion 22, and an upper side wall 24 extends substantially vertically upward from the outer end of the stack portion 23. The flange portion 25 extends in the horizontal direction from the upper end of the upper side wall 24, and a curled portion 26 that is curled so as to be bent downward is formed in an annular shape at the outer peripheral end portion of the flange portion 25. ing.

  Further, as shown in FIGS. 1 and 4, a dome-like leg portion 21 a embossed so as to protrude outward (downward) is provided on the substantially disc-shaped bottom portion 21. A plurality (six) are formed so as to be arranged on one imaginary circle concentric with each other.

  According to the container main body 2 having the above-described structure, the upper end of the upper side wall 24 is formed when the single bodies of the container main bodies 2 are stacked by forming the stepped stack portion 23 above the trunk portion 22. By contacting the outer end of the stack portion 23, a certain gap can be formed between the single bodies of the stacked container bodies 2, thereby separating the single bodies of the stacked container bodies 2. Is easily performed.

  In addition, since the plurality of (six) leg portions 21a are formed on the bottom portion 21, when the contents are heated by an electromagnetic cooker or the like, the bottom surface of the container (the bottom surface of the bottom portion 21 of the container body 2) and the electromagnetic cooking are provided. Since the contact area of the container with the container placement surface is reduced and the heat of the container heated by electromagnetic induction is less likely to be taken away through the container placement surface, the heating efficiency can be improved.

  The lid member 3 for sealing the opening of the container main body 2 is a sheet-like member that is detachably attached to the upper surface of the flange portion 25 of the container main body 2, and is mainly composed of a synthetic resin film or aluminum foil. In order to easily peel off the lid member 3 from the container body 2, the lid member 3 is picked so as to protrude outward from the flange portion 25 of the container body 2 as shown in FIG. Part 3a is formed.

  For attaching the lid member 3 to the flange portion 25 of the container body 2, a resin layer having adhesiveness with the inner surface coating of the container body 2 is provided on the container inner surface side of the lid member 3, or the flange of the container body 2 is By providing an adhesive at a location that becomes the sealing surface of the portion 25 (or the lid member 3), it is possible to peel off the upper surface of the flange portion 25 of the container body 2 by a known heat sealing method, ultrasonic sealing method, or the like. Adhesive fixing.

  The synthetic resin handle 4 is formed of an olefin resin such as polypropylene or polyethylene, or an engineering plastic such as polyacetal. In this embodiment, the handle 4 is formed at two symmetrical positions across the center of the container body 2. Each of the two handles 4 is detachably fitted to the flange portion 25 of the container body 2 by fitting with the curled portion 26 formed on the outer peripheral end portion thereof. It is what is done.

  As shown in FIG. 2, in each of the grips 4, the grip portion 41 having a size and rigidity appropriate for holding by a hand is horizontally projected so as to protrude outward from the flange portion 25 of the container body 2. The fitting groove 42 has an arcuate shape in a plan view so that it can be fitted to the curl portion 26 of the flange portion 25 of the container body 2 on the inner side (inward in the container radial direction) than the grip portion 41. However, it is formed so as to be recessed downward from the upper surface of the handle 4. Further, on the inner side (inward in the container radial direction) of the fitting groove portion 42, an auxiliary groove portion 43 having an arc shape concentric with the arc of the fitting groove portion 42 in a plan view is recessed downward from the upper surface of the handle 4. It is formed as follows.

  Further, each handle 4 is positioned below the flange portion 25 of the container body 2 and inside the auxiliary groove 43 (inward in the container radial direction) and downward along the upper side wall 24 of the container body 2. A protective wall 44 is formed to extend. The protective wall portion 44 extends in the height direction of the container body 2 from the flange portion 25 of the container body 2 downward to the vicinity of the lower portion of the stack portion 23, and is fitted in the circumferential direction of the container body 2. The inner wall of the protective wall 44 is in contact with the upper side wall 24 of the container body 2.

  The handle 4 made of synthetic resin as described above is configured by fitting a curl portion 26 that is a fitting portion of the flange portion 25 of the container body 2 and a fitting groove portion 42 that is a fitting portion of the handle 4. Although it is detachably fitted to the flange portion 25 of the metal container main body 2, the upper surface of the flange portion 25 of the container main body 2 is covered with the container main body 2 and the handle 4 being fitted. The handle 4 is not covered.

  Note that the upper surface of the grip portion 41 of the handle 4 is substantially flush with the upper surface of the flange portion 25 of the container body 2 in a state where the fitting groove portion 42 of the handle 4 and the curled portion 26 of the container body 2 are fitted. The upper end surface of the portion (rib-shaped portion) between the fitting groove portion 42 and the auxiliary groove portion 43 of the handle 4 and the upper end surface of the protective wall portion 44 are a container. The flange portion 25 of the main body 2 is in contact with the lower surface of the flange portion 25 so as to support the flange portion 25 of the container main body 2 from below.

  As for the fitting structure between the fitting groove portion 42 of the handle 4 and the curled portion 26 of the container body 2, the fitting groove portion 42 is formed on the upper surface side of the handle 4 so that the curled portion 26 is fitted from below. Accordingly, the fitting groove portion 42 of the handle 4 and the curling portion 26 of the container body 2 are connected to the curling portion 26 formed downward from the outer peripheral end of the flange portion 25 without covering the upper surface of the flange portion 25. It is designed to be fitted.

  In such a fitting structure, the width (maximum width portion) of the fitting groove 42 is set to be substantially the same as or slightly narrower than the width of the curled portion 26 (length in the container radial direction), and As shown in FIG. 2, the upper end portion of the inner wall (inward in the container radial direction) of the fitting groove portion 42 is formed in an overhang shape, and this overhang portion serves as a locking projection and is a flange. By fitting into the narrow space between the lower surface of the portion 25 and the inner upper portion of the curled portion 26, the fitting groove portion 42 of the handle 4 and the curled portion 26 of the container body 2 are more reliably fitted.

Further, the synthetic resin handle 4, the auxiliary groove 43 to the inner (inwardly container radially) of the fitting groove 42 is formed, whereby the container body into the fitting groove 42 of the handle 4 When the second curled portion 26 is detached, the inner wall of the fitting groove portion 42 is easily bent and deformed. Therefore, the fitting groove portion 42 of the handle 4 and the curled portion 26 of the container main body 2 can be detached with little force. It can be done easily.

Moreover, in the case of forming the handle 4 by injection molding, by forming the auxiliary groove 43, the other portion the wall thickness of the portion between the fitting groove 42 of the handle 4 and the protective wall portion 44 Since the thickness can be substantially the same as the wall thickness, the resin material can be easily cooled at the time of molding in a mold, the molding speed can be improved, the weight of the entire handle 4 is reduced, and the amount of resin material used Can be reduced.

  Furthermore, a protective wall 44 is formed on the synthetic resin handle 4 so as to extend downward along the upper side wall 24 of the container body 2. ), When handling the heated container, the finger can be prevented from coming into contact with the heated container body 2. Further, when the grip 4 is fitted to the curled portion 26 of the container main body 2 by bringing the inner surface side of the protective wall portion 44 into contact with the upper side wall 24 of the container main body 2, Can be easily aligned, and the contact area between the handle 4 and the container body 2 is increased by the amount of the protective wall 44, so that the container can be stably held.

  In addition, about the distance (distance in the height direction of a container) from the lower surface of the holding | grip part 41 to the lower end of the protective wall part 44, it is preferable to set to the range of 1-3 cm, and by doing so, resin material is made The effect of preventing contact can be sufficiently obtained without excessive use. That is, if the distance from the lower surface of the gripping portion 41 to the lower end of the protective wall portion 44 is shorter than 1 cm, when the gripping portion 41 of the handle 4 is held with a finger, the finger comes into contact with the heated container body 2 and burns. On the other hand, if the distance from the lower surface of the gripping portion 41 to the lower end of the protective wall portion 44 is longer than 3 cm, a large amount of resin material for forming the handle 4 is used, which increases the production cost. Will be.

  According to the container with a handle of this embodiment comprising the container body 2, the lid member 3 and the handle 4 as described above, when the contents are heated by an electromagnetic cooker or the like, the container body 2 is made of metal and is heat resistant. Since the container is not deformed and the handle 4 is made of a synthetic resin and can provide a sufficient heat insulating effect, the container body 2 is heated by heating the contents. Even so, the container can be easily handled by holding the handle 4 with bare hands.

  Further, when the container body 2 and the handle 4 are fitted, the handle 4 does not cover the upper surface of the flange portion 25 of the container main body 2, so that the lid member 3 is attached to the upper surface of the flange portion 25. In addition, the handle 4 does not get in the way, and the area of the seal portion between the flange portion 25 and the lid member 3 can be sufficiently secured. That is, when the handle 4 covers the upper surface of the flange portion 25, the sealing area where the lid member 3 and the flange portion 25 are bonded is narrowed by the amount covered with the handle 4, and sufficient sealing is achieved. However, if the area of the flange portion 25 is set larger so that a sufficient sealing area can be secured even in this state, extra material for the container body 2 is required. This increases the cost.

  Further, since the handle 4 is detachably fitted to the container body 2, when the container is collected for recycling, the metal container body 2 and the synthetic resin handle 4 are easily connected. And can be separated and collected easily.

  In addition, in the container with a handle of the present embodiment, a curled portion 26 that is curled so that the outer peripheral end portion of the flange portion 25 is bent downward is formed as a fitting portion formed in the flange portion 25 of the container body 2. However, by providing such a curled portion 26 as a fitting portion, the strength of the flange portion 25 and the fitting portion can be sufficiently secured, and the container is held via the handle 4. The container can be stably held when

  Further, in the container with a handle of the present embodiment, in the handle 4 made of synthetic resin, the container 4 is disposed below the flange portion 25 of the container body 2 and between the grip portion 41 of the handle 4 and the upper side wall 24 of the container body 2. A protective wall portion 44 extending downward along the upper side wall 24 of the main body 2 is formed. By providing such a protective wall portion 44, a container heated by holding the grip portion 41 of the handle 4 with bare hands. When handling the container, it is possible to prevent a finger from coming into contact with the heated container body 2 and causing burns.

  By the way, in the case of the container with a handle of the present embodiment as described above, when manufacturing a product filled and sealed with the contents using the container body 2, the lid member 3, and the handle 4, first, the container body After fitting the handle 4 to the curled portion 26 of the container 2, and then filling the inside of the container body 2, the lid member 3 is finally attached to the upper surface of the flange portion 25 of the container body 2. The container body 2 is first filled with the contents, and then the lid member 3 is adhered to the upper surface of the flange portion 25 of the container body 2 and sealed. An appropriate method such as a method of fitting the handle 4 to the curled portion 26 of the container body 2 can be selected and employed.

  However, in order to adhere the lid member 3 to the upper surface of the flange portion 25 of the container body 2, the lid member 3 and the flange portion 25 are sandwiched from above and below to provide heat sealing or the like. In order to ensure this, it is preferable to attach the handle 4 to the curled portion 26 of the container body 2 after the lid member 3 is adhered and sealed to the upper surface of the flange portion 25 of the container body 2. In addition, after attaching the handle 4 to the curl part 26 of the container main body 2, when the lid member 3 is adhered and sealed to the upper surface of the flange part 25 of the container main body 2, the lid member 3 and the flange part 25. There is a risk that the handle 4 may be in the way of sandwiching from above and below, resulting in insufficient adhesion.

  As mentioned above, although one Example of the container with a handle of this invention was described, this invention is not limited only to the above Examples, For example, about the shape of the container main body, it showed in the Example Such a bottom is not limited to a cup-shaped container having a substantially disc shape, but may be a container having another shape such as a tray-shaped container having a bottom having a substantially square shape. Needless to say, the number and shape are not limited to those shown in the embodiments, and the design can be appropriately changed.

Sectional front view which shows one Example of the container with a handle of this invention. The partial expanded sectional view which expands and shows a part of container shown in FIG. The top view which shows the state which looked at the container shown in FIG. 1 from upper direction. The top view which shows the state before sticking a cover member with the container shown in FIG. The side view which shows the state which looked at the container before sticking the cover member shown in FIG. 4 from the side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container with a handle 2 Container main body 3 Lid member 4 Handle 24 Upper side wall 25 Flange part 26 Curl part (fitting part formed in the container main body)
41 Grasping part 42 Fitting groove part (fitting part formed on the handle)
43 Auxiliary groove 44 Protective wall

Claims (1)

In a container with a handle, comprising a container body having a flange at the upper end, a lid member that is detachably attached to the upper surface of the flange of the container body, and a handle for holding the container by hand. The container body and the synthetic resin handle are detachably fitted by a fitting part formed on the flange part of the container body and a fitting part formed on the handle, and the container body A container with a handle configured so that the handle does not cover the upper surface of the flange portion of the container main body in a state in which the handle is fitted, and the fitting portion formed on the flange portion of the container main body, A curled portion is formed by curling the outer peripheral end of the flange portion downward, and a fitting groove is formed as a fitting portion formed on the handle so as to be recessed downward from the upper surface of the handle. The handle made of plastic A gripping portion extending outward from the flange portion of the container body is formed, and when the container is handled with the gripping portion held by hand, a protective wall portion for preventing the finger from coming into contact with the container body is provided with a flange of the container body. Is formed so as to extend downward along the upper side wall of the container body between the gripping part and the upper side wall of the container body, and between the protective wall part and the fitting groove part. An auxiliary groove for facilitating bending and deformation of the inner wall of the fitting groove when the curl of the container main body is attached to or detached from the fitting groove of the handle.

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