JP3111695U - Cooking container for heating - Google Patents

Abstract

【Task】
To provide cooking containers for heating with high added value, excellent durability, and low manufacturing costs.
[Solution]
A laminated portion is provided at the bottom of the main body portion of the cooking container for heating, and a plurality of exposed portions in which the material of the main body portion is exposed are formed in the laminated portion, and the exposed portions are formed from the center of the bottom surface of the cooking container for heating. A polymerized portion was formed by planar polymerization over a certain range of equal distances.
[Selection] Figure 1

Description

The present invention relates to a cooking container for heating having excellent thermal conductivity and little thermal deformation.

2. Description of the Related Art Conventionally, a cooking container for heating, for example, a frying pan or the like formed on the basis of a single material such as iron, or a cooking container for heating for an IH cooker formed of a composite material is known. When these heating cooking containers are heated at a high temperature, the main body is likely to be thermally deformed.
When the main body of the cooking container for heating is deformed due to temperature deformation, the cooking container for heating cannot be stably placed on a heating stove, an IH cooker or the like, and there is a risk in use. . For this reason, techniques for preventing distortion and thermal deformation in cooking containers for heating have been conventionally employed.

The above-described conventional cooking container for heating has the following problems.
(1) As a technique for preventing distortion and thermal deformation in a cooking container for heating formed from a single material such as iron, there is a method of increasing the thickness of a base material. However, when the plate thickness of the main body is increased, the weight is increased, and the ease of handling is sacrificed, and the cost increases with the increase in the materials used.
(2) In a cooking container for heating for an IH cooker, a suitable technique for the problem of thermal deformation has not been proposed yet, and a proposal for an improved technique is desired.

The present invention has been made in view of the above points, and an object thereof is to provide a cooking container for heating with high added value.
Furthermore, this invention is providing the cooking container for heating which is excellent in durability and a heat output, and whose manufacturing cost is cheap.

The cooking container for heating according to the first device of the present application is a cooking container for heating, and is provided with a laminated portion at the bottom of the main body portion of the cooking container for heating, and the laminated portion includes a plurality of exposed raw materials of the main body portion. An exposed part is formed, and the plurality of exposed parts form a superposed part that is planarly superposed over a certain range equidistant from the central part of the bottom surface of the cooking container for heating.
The cooking container for heating according to the second device of the present application is the cooking container for heating according to the first device, wherein the exposed portion is located at the center of the bottom surface and from the center exposed portion that does not reach the bottom surface end, and the center of the bottom portion. Consists of a centrifugally exposed part that extends from the center exposed part to the bottom edge and does not reach the bottom edge, and a centripetal exposed part that extends from the bottom edge to the center of the bottom and does not reach the center exposed part from the bottom edge. In addition, the centrifugally exposed portion and the centripetal exposed portion form a superposed portion that is planarly superposed over a certain range equidistant from the center of the bottom surface of the cooking container for heating.
A cooking container for heating according to the third device of the present application is the cooking container for heating according to the first device, wherein the exposed portion is located at the center of the bottom surface, from the center exposed portion that does not reach the bottom surface end, and from the center of the bottom portion. Centrifugal exposed part that extends from the center exposed part to the bottom end and does not reach the bottom end, centrally exposed part that extends from the bottom end to the bottom center, does not reach the central exposed part, and center of the bottom From the center exposed portion and the independent exposed portion that does not reach the bottom end, and at least the centrifugal exposed portion or the centripetal exposed portion, and the independent exposed portion is the bottom central portion of the cooking container for heating. The polymerized portion is formed by planar polymerization over a certain range equidistant from the surface.
A cooking container for heating according to the fourth device of the present application is the heating cooking container according to any one of the first device to the third device, wherein the bottom inner surface of the main body of the cooking container for heating is configured to be flat. The bottom outer surface of the main body portion of the cooking container is characterized by being formed as a curved surface that is recessed by making the thickness of the central portion thinner than the thickness of the peripheral portion.
A cooking container for heating according to the fifth device of the present application is the cooking container for heating according to any one of the first to fourth devices, wherein the main body of the cooking container for heating is made of aluminum, and the laminated portion is made of stainless steel. It is characterized by comprising.

As described above, according to the present invention, at least one of the following effects can be obtained.
(1) Resistance to temperature deformation by forming a superposed part in which a plurality of exposed portions are planarly overlapped over a certain range from the center of the bottom surface of the cooking container on the bottom surface of the cooking container for heating. This increases the temperature deformation resistance.
(2) The bottom inner surface of the main body portion of the cooking container for heating is made flat so that cooking is easy, and the outer surface of the bottom surface is formed as a concave curved surface with the thickness of the central portion made thinner than the thickness of the peripheral portion. Therefore, the sitting of the cooking container for heating is good.
(3) Since deformation resistance due to temperature change is not supported by the thickness of the bottom portion, the weight of the main body can be reduced and the main body can be formed thin, thereby reducing costs.
(4) The main body portion is made of aluminum, the laminated portion is made of stainless steel, and a plurality of exposed portions are provided on the bottom portion, thereby achieving both a large output and prevention of temperature deformation.
(5) Weight reduction of the cooking container for a heating is achieved by comprising a main-body part with aluminum and comprising a laminated part with stainless steel. Moreover, since it comprised with aluminum with favorable heat conductivity, the heat distribution of a container main body can be made uniform. Further, the corrosion resistance and heat resistance of the bottom portion can be improved by the bottom stainless steel portion.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the present specification and drawings, components having substantially the same function are denoted by the same reference numerals, and redundant description is omitted.

First, the configuration of a cooking container for heating according to the present invention will be described with reference to the drawings. In this embodiment, a general cooking container for heating, in the drawing, the bottom surface of the container body is circular and a frying pan-shaped cooking container for heating is cited as an example. Can be applied. Moreover, it is applicable even if it is a cooking container for heating which has a cover part.
In the embodiments, the laminated part is made of stainless steel and the container main body part is made of aluminum. However, it is not limited to stainless steel and aluminum, and well-known materials can be used.

(1) Cooking container for heating As shown in FIG. 1, the cooking container for heating is comprised by the container main-body part 1 and the handle part 7 to be heated.
The container main body 1 has a container bottom 2 and a side 3 that extends the outline of the container bottom 2 upward.
The handle 7 has a known shape / form.
As shown in FIG. 4, the container body 1 made of aluminum has a curved portion 211 in which the central portion of the outer surface 21 of the container bottom is recessed in a concave shape.
In addition, even if the container bottom part outer surface 21 is not what was dented in the concave shape, what was uniform in the bottom face thickness and what formed the bottom face flat can be comprised.
On the inner surface 8 of the container main body 1, a container bottom inner surface 22 is formed in a flat shape.
The container body 1 is not limited to being made of aluminum, and can be made of other non-ferrous metals.

(2) Bottom portion The container bottom outer surface 21 of the main body portion is gradually reduced in thickness toward the center to form a curved portion 211, and a thickness difference is provided between the center and the peripheral portion.
For example, it is conceivable that the wall thickness is 2.5 mm at the center, and the thickness is gradually increased from the center toward the periphery to form the periphery at 3.2 mm.
Even if the container bottom outer surface 21 is not recessed in a concave shape, it may be configured with a uniform bottom surface thickness or a flat bottom surface.

(3) Laminate part It is set as the laminated structure which joins a stainless plate to the outer surface of the bottom part of a main-body part, and forms the laminated part 4. FIG.
The laminated portion 4 is configured by being attached to the container bottom 2 and is thin.
In addition, the lamination | stacking part 4 can also comprise a lamination | stacking with iron or an iron alloy plate.

(4) Shape of Laminate Part A plurality of exposed parts 5 are formed in a stainless plate constituting the laminate part 4 by providing incisions in advance.
The plurality of exposed portions 5 provided by cutting are formed so that the aluminum of the main body is exposed to the outside of the bottom surface.
In the present embodiment, the configuration in which the center exposed portion 51 is provided has been described as an example, but a configuration in which the center exposed portion 51 is not formed is also possible.

(5) Center Exposed Portion The size of the center exposed portion 51 is such that, for example, when the diameter of the stainless steel plate constituting the laminated portion 4 is 120 mm or more, the size of the center exposed portion 51 is 50 mm or less. To form.
Normally, the output is increased when the central exposed portion 51 is reduced. When the diameter is configured to be 50 mm or more, for example, when the diameter of the central exposed portion 51 is configured with a diameter of 60 mm, the thermal efficiency is reduced as compared with the case where the diameter is 50 mm or less. The output of what is not will drop.
The size of the central exposed portion 51 is formed in consideration of the relationship with this output. For example, the stainless steel plate having a diameter of 120 mm or more and a diameter of 40 mm or less can be considered.
The center exposed portion 51 is not limited to a circular shape, and a square shape, a hexagonal shape, or the like can be formed as long as the diameter is the same as described above.

(6) Centrifugal exposed portion, centripetal exposed portion, auxiliary exposed portion Each exposed portion 5 other than the central exposed portion 51 is directed from the central exposed portion 51 toward the peripheral edge of the circular bottom surface, from the center of the bottom surface toward the circular end. It consists of a centrifugally exposed portion 52 that extends radially in a straight line and a centripetal exposed portion 53 that extends linearly from the end of the bottom surface toward the center of the bottom surface from the end of the circle to the center of the bottom surface. .
However, the centrifugal exposure part 52 and the centripetal exposure part 53 are not limited to straight lines.
The centrifugally exposed portion 52 that is a cut from the center portion does not reach the end portion of the bottom surface, and is configured such that the tip on the bottom surface end side is located closer to the bottom surface end side than the tip of the centripetal exposed portion 53. .
Similarly, the centripetal exposed portion 53, which is a cut from the end portion of the circle, does not reach the center exposed portion 51, and the tip on the bottom surface center side is located closer to the bottom surface center than the tip of the centrifugal exposed portion 52. Configure as follows.
That is, the centrifugally exposed part 52 and the centripetal exposed part 53 are formed so as to have a superposed part 6 superposed in a plane over a certain range equidistant from the center part of the bottom surface.
As shown in FIG. 2, it is possible to form an auxiliary exposed portion 54 in which the tips of all the centripetal exposed portions 53 are not located at the center of the bottom surface than the tips of the centrifugal exposed portions 52.
Similarly, it is not necessary that the distal ends of all the centrifugally exposed portions 52 be positioned at the end of the bottom surface than the distal ends of the centripetal exposed portions 53.
As described above, the exposed portion 5 exposes aluminum to the outer surface, and the other bottom surface of the container bottom portion 2 is covered with the stainless steel laminated portion 4.
When the center exposed portion 51 is not provided, each centrifugal exposed portion 52 is configured to extend from the center of the container bottom surface toward the bottom end portion.

(7) Inner surface A known structure can be applied to the inner surface 8 of the container body 1. For example, it is conceivable to prevent burning by forming an uneven groove. In addition, a well-known thing can be applied also about the coating process of an inner surface, for example, giving an adhesion prevention coating, a fluororesin coating, a Teflon (trademark) process etc. can be considered. Moreover, cooking becomes easy by comprising the container bottom part inner surface 22 flatly.

(8) Forming method of bottom part The bottom part of the cooking container for heating is formed by attaching a stainless steel plate to the bottom part of the aluminum container by press working or impact bonding.
In forming the cooking container for heating, the bottom of the container to be joined and the joining surface of the stainless steel plate are cleaned and joined. At this time, since the two metals are metal-bonded by heating at a high temperature, a very strongly bonded bottom surface is formed.

As described above, the cooking container for heating according to the present invention is a cooking container for heating with a small thickness of the container bottom and the container main body, which is less likely to be thermally deformed by heating and has a simple manufacturing process. is there.
In addition, this makes it possible to expect a reduction in manufacturing cost as compared with existing cooking utensils that have been prevented from thermal deformation.

As shown in FIG. 3, the exposed portion 5 may have a configuration in which an independent exposed portion 55 is formed in addition to the central exposed portion 51, the centrifugal exposed portion 52, and the centripetal exposed portion 53.
In the present invention, a plurality of exposed portions 5 are formed, and the plurality of exposed portions 5 have a superposed portion 6 which is planarly superposed over a certain range from the center of the bottom surface of the cooking container for heating. Is important for.
Therefore, an independent exposed portion 55 that extends from the center of the bottom surface toward the bottom end portion and does not reach the center exposed portion and the bottom end portion is provided, and at least the centrifugal exposed portion 52 or the centripetal exposed portion 53 and the independent exposed portion 55 are used for heating. The structure which forms the superposition | polymerization part 6 superposed | polymerized planarly over the fixed range of equidistant from the bottom center part of a cooking vessel is also possible.
That is, the end portion of the independent exposure portion 55 in the center direction of the bottom surface is positioned closer to the center of the bottom surface than the tip of the centrifugal exposure portion 52, and the end portion of the independent exposure portion 55 in the direction of the bottom surface end portion is the centripetal exposure portion 53. It is formed so that at least one of the positions located at the bottom end portion rather than the tip end is established.
In addition, the structure which does not make the independent exposure part 55 which forms the centrifugal exposure part 52 and the superposition | polymerization part 6c the same exposure part as the centripetal exposure part 53 and the independent exposure part 55 which forms the superposition | polymerization part 6a is also possible.
That is, the centrifugally exposed portion 52 and the independent exposed portion 55a are superposed, and the centripetal exposed portion 53 and the independent exposed portion 55b are superposed.
Furthermore, the overlapping portion 6b is formed by overlapping the independent exposed portion 55a and the independent exposed portion 55b, and any of the exposed portions 5 must be provided on the circumference having a constant distance from the center portion to the end portion. Will be located.
However, only the polymerization of the centrifugal exposure part 52 and the independent exposure part 55a or the polymerization of the centripetal exposure part 53 and the independent exposure part 55b has an effect of temperature deformation resistance.
In the second embodiment, the auxiliary exposed portion 54 can be formed.

[Action]
The case where the effect | action of the cooking container for heating of this invention is performed on an IH cooking appliance as an example is demonstrated.
The container body 1 is made of aluminum, the laminated part 4 is made of plate-like stainless steel, and a frying pan-like cooking container with a handle 7 is installed on the IH cooking utensil.
The container main body 1 is heated from the container bottom 2 with the IH cooking utensil.
At this time, for example, when the stainless steel plate of the laminated portion 4 is configured to have a diameter of 120 mm or more, and the diameter of the central exposed portion 51 of the container bottom portion 2 is formed to be 50 mm or less, the output from the heat from the IH cookware does not decrease. The heat generated in the stainless steel plate is transmitted to the container body 1.
Further, the exposed portion 5 is formed by cutting the laminated portion 4 so that the resistance to thermal deformation is improved against heating from the IH cooking utensil.
In particular, in the present invention, the centrifugally exposed portion 52 and the centripetal exposed portion 53 form the overlapping portion 6 that is superposed in a plane over a certain range equidistant from the center of the bottom of the container, that is, the tip of the centripetal exposed portion 53. Is located in the center of the container bottom 2 rather than the tip of the centrifugal exposure part 52, and the tip of the centrifugal exposure part 52 is located in the peripheral part from the tip of the centripetal exposure part 53. Is getting stronger.
Moreover, since the container bottom part outer surface 21 of the main-body part of the cooking container for a heating was formed as the curved surface which became thinner than the thickness of the peripheral part and became depressed, the sitting on IH cooking utensil improves and safety improves. Yes.
If the inner bottom surface of the container body is configured to be a flat surface, the cooked food on the inner surface 22 of the container bottom portion is not biased in a certain direction, a certain point, or the like at the time of cooking.

It is the figure which showed the partial cross section figure of the cooking container for heating concerning this invention. It is the figure which expanded partially the main-body bottom part of the cooking container for heating concerning Example 1 of this invention. It is the figure which expanded partially the main-body bottom part of the cooking container for a heating concerning Example 2 of this invention. It is the figure which showed the main part side sectional drawing in the case of having a curved part in a main-body bottom part outer surface with the cooking container for heating concerning this invention. It is sectional drawing of the VV part of FIG. It is sectional drawing of the VI-VI part of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container main-body part 2 Container bottom part 21 Container bottom part outer surface 211 Curved part 22 Container bottom part inner surface 3 Side part 4 Lamination | stacking part 5 Exposed part 51 Center exposed part 52 Centrifugal exposed part 53 Centric exposed part 54 Auxiliary exposed part 55 Independent exposed part 6 Polymerization Part 7 Handle part 8 Inner surface

Claims (5)

A cooking container for heating,
A laminated part is provided at the bottom of the main body of the cooking container for heating,
Forming a plurality of exposed portions in which the material of the main body portion is exposed in the laminated portion;
The plurality of exposed portions form a superposed portion that is planarly polymerized over a certain range equidistant from the center of the bottom surface of the cooking container for heating,
Cooking container for heating.
In the cooking container for heating of Claim 1,
The exposed portion is located in the center of the bottom surface and does not reach the bottom end portion;
From the bottom center to the bottom edge, the centrifugal exposed part that extends from the center exposed part and does not reach the bottom edge,
A centripetal exposed portion that extends from the bottom end to the center of the bottom, does not reach the center exposed portion from the bottom end, and
The centrifugally exposed portion and the centripetal exposed portion form a superposed portion that is planarly polymerized over a certain range equidistant from the center of the bottom surface of the cooking container for heating.
Cooking container for heating.
In the cooking container for heating of Claim 1,
The exposed portion is located in the center of the bottom surface and does not reach the bottom end portion;
From the bottom center to the bottom edge, the centrifugal exposed part that extends from the center exposed part and does not reach the bottom edge,
A centripetal exposed portion that extends from the bottom end to the center of the bottom and does not reach the center exposed portion from the bottom end;
An independent exposed portion that extends from the bottom center toward the bottom end and does not reach the center exposed portion and the bottom end,
At least the centrifugally exposed part or the centripetal exposed part and the independent exposed part form a superposed part that is planarly superposed over a certain range equidistant from the bottom center part of the cooking container for heating,
Cooking container for heating.
The cooking container for heating according to any one of claims 1 to 3, wherein the bottom inner surface of the main body of the cooking container for heating is configured to be flat,
The bottom outer surface of the main body part of the cooking container for heating is formed as a curved surface that is recessed by making the thickness of the central part thinner than the thickness of the peripheral part,
Cooking container for heating.
The cooking container for heating according to any one of claims 1 to 4, wherein the main body part of the cooking container for heating is made of aluminum, and the laminated part is made of stainless steel,
Cooking container for heating.

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