KR101840688B1 - Pad for ceramics fan - Google Patents

Abstract

The present invention relates to a ceramic cooking vessel including a body including a bottom portion, a side wall portion upwardly connected to an edge of the bottom portion, a plurality of receiving portions protruding from the bottom of the bottom portion, and a ceramic coating layer coated with a ceramic material on the receiving portion. The present invention relates to a thermally conductive pad for a ceramic cooking utensil which can be heated by using a non-sintering type heater such as an electric range or an induction range. The thermally conductive pad is formed to have an area covering the heating part, To a thermally conductive pad for a ceramic cooking utensil comprising a metal body.

Description

PAD FOR CERAMICS FAN FOR CERAMIC COOKING CONTAINER

The present invention relates to a ceramic cooking vessel including a body including a bottom portion, a side wall portion upwardly connected to an edge of the bottom portion, a plurality of receiving portions protruding from the bottom of the bottom portion, and a ceramic coating layer coated with a ceramic material on the receiving portion. The present invention relates to a thermally conductive pad for a ceramic cooking utensil which can be heated by using a non-sintering type heater such as an electric range or an induction range. The thermally conductive pad is formed to have an area covering the heating part, To a thermally conductive pad for a ceramic cooking utensil comprising a metal body.

In general, a cooking vessel is manufactured using aluminum or stainless steel. The cooking vessel using such a metal can shorten the cooking time due to rapid heat transfer, and since it is light in weight and easy to handle, And so on.

Meanwhile, when a ceramic cooking vessel is manufactured using a stone such as marble or volcanic rock, the ceramic contained in the stone is heated to a high temperature to emit far-infrared rays. The far-infrared rays thus emitted not only improve the taste of the food, But it is difficult to manufacture a ceramic cooking vessel using a ceramic material because the weight of the ceramic cooking vessel is heavy and the hardness is high so that it can be easily broken.

A variety of ceramic cooking vessels are now being developed that combine the advantages of metal materials and the advantages of far-infrared emitting ceramics, so that the cooking intakes are not burned and the heat resistance is enhanced to emit far-infrared rays.

In the most common ceramic cooking vessel, a ceramic coating layer of a predetermined size is coated at a predetermined interval on the bottom of the bottom of the vessel.

However, in such a general ceramic cooking vessel, since the heat is directly transferred to the bottom of the bottom portion where the ceramic coating layer is formed, the ceramic coating layer is easily heated by instantaneous heat or is difficult to heat accumulate while cooling,

Since the ceramic coating layer completely covers the bottom of the bottom portion, the shortening of the cooking time due to the rapid heat transfer of the metal material is lost. Therefore, most of the ceramic coating layer is uniformly dispersed over the bottom of the body. However,

Since the heat source directly contacts the ceramic coating layer, the ceramic coating layer is easily peeled or damaged.

In order to solve the above-mentioned problems, the applicant of the present invention has proposed a cooking container comprising a bottom, a side wall upwardly connected to the bottom of the bottom, and a body composed of a plurality of receiving portions protruding concentrically from the bottom of the bottom And a ceramic coating layer coated on the support portion with a ceramic material,

The heat of the heat source is not directly brought into contact with or transferred to the ceramic coating layer and the ceramic coating layer is formed on the ceramic coating layer through the bottom of the body, The present invention is directed to a ceramic frying pan capable of preventing separation or damage of the ceramic coating layer and maximizing far-infrared emission efficiency.

On the other hand, in recent years, there have been many types of kitchen heaters, such as an electric range and an induction range heater.

In the electric range, electricity is applied to the coil to heat the container placed in the heating section,

In the induction range, when a high voltage is applied to the coil, a magnetic field is induced around the coil and the metal body within the influence of the magnetic field is heated. In the following description of the induction range, Since there is no danger, and since the fuel such as gas is not combusted, combustion gas including carbon monoxide does not occur, and not only harmless to the human body but also indoor oxygen can be consumed and comfortable interior can be maintained. Especially, the induction range is sensitive only to metal body It is a kitchen heater that can be used very safely because it does not get burned when the grill of the induction range touches the hand while heating the container.

However, since the cooking vessel made of non-ferrous metal is not sensitive to the induction range as in the case where the induction range is not sensitive to the human body as described above, the cooking vessel which can be used in the induction range is not self-induced by the magnetic field generated in the induction range Iron (Fe) component,

In order to maximize the far-infrared radiation effect, the bottom portion and the ceramic coating layer, such as a ceramic frying pan filed by the applicant of the present invention, have a ceramic coating layer corresponding to a non- There is a problem that it is impossible to use the ceramic cooking vessel in which the heating is not performed by contact with the heating portion of the induction range and is not responsive to the heating.

As a reference, Japanese Patent No. 10-0450059 discloses a conventional technique for heating a ceramic cooking vessel having a structure in which an induction range can not be used, by using an induction range.

Accordingly, the present invention has been made to solve the above-mentioned problems,

A ceramic cooking vessel including a body including a bottom portion, a side wall portion upwardly connected along the rim of the bottom portion, a plurality of receiving portions protruding in a concentric shape from a bottom surface of the bottom portion, and a ceramic coating layer coated on the receiving portion, together,

The ceramic cooking vessel formed in a structure in which the bottom portion is not in contact with the heating portion of the non-spherical heater is heated by a non-spherical heater to cook the food,

And a body including a metal component so that the bottom portion of the ceramic cooking utensil placed above the heating portion is formed to have an area capable of covering the heating portion.

In addition, the present invention provides a heat conductive pad,

It is an object of the present invention to provide a thermal conductive pad for a ceramic cooking utensil which is easy to combine and separate from a ceramic cooking vessel and a heat conductive pad and can improve the heat conduction efficiency by bringing the bottom and the body into close contact with each other.

In order to achieve the above object, a thermal conductive pad for a ceramic cooking vessel according to the present invention comprises:

A ceramic cooking vessel comprising a bottom portion, a side wall portion upwardly connected to the bottom portion of the bottom portion, and a plurality of receiving portions protruding from the bottom of the bottom portion, and a ceramic coating layer coated on the receiving portion, A heat conductive pad for a ceramic cooking utensil which can be heated by using a heater,

And a body including a metal component so as to have an area covering the heating part of the non-spherical heater and to heat a bottom part of the ceramic cooking utensil placed on the upper part.

In the thermal conductive pad for a ceramic cooking utensil according to the present invention,

The body may be formed in a thin-walled net shape so that the body can be held or folded.

In the thermal conductive pad for a ceramic cooking vessel according to the present invention,

The body includes a bottom surface portion and a side surface portion which form a receiving portion in which the bottom portion of the body is fitted.

In addition, in the thermal conductive pad for a ceramic cooking utensil according to the present invention,

The body including a fitting portion formed on an upper surface of the bottom surface portion of the body so as to correspond to the bottom portion and the bottom portion of the base portion,

The bottom of the ceramic cooking vessel and the bottom of the body are closely contacted with each other while the ceramic holder is heated.

 A thermal conductive pad for a ceramic cooking utensil according to the present invention includes a body including a bottom portion, a side wall portion upwardly connected to an edge of the bottom portion, and a plurality of support portions protruding in a concentric shape from a bottom surface of the bottom portion; Such as a ceramic cooking vessel comprising a ceramic coating layer coated with a < RTI ID = 0.0 >

The ceramic cooking vessel formed with a structure in which the bottom portion is not in contact with the heating portion of the non-spherical heater can be cooked by heating the ceramic cooking vessel with the non-spherical heater,

The body of the heat conductive pad can be conveniently stored by being folded or folded,

The ceramic cooking vessel and the heat conductive pad can be easily combined and separated,

The contact area between the bottom of the ceramic cooking vessel having a good thermal conductivity and the bottom surface of the thermal conductive pad is maximized and the thermal conductive pad can be heated rapidly At the same time,

Since the ceramic coating layer as the base metal of the ceramic cooking vessel is surrounded by the metal material, the like ceramic coating layer is embedded in the bottom portion of the ceramic cooking vessel, and heat accumulation occurs through heat transfer instead of direct heating, Infrared rays of the ceramic cooking utensil can be emitted, thereby maximizing the function and effect of the ceramic cooking utensil.

1 to 3 are perspective views of a thermal conductive pad for a ceramic cooking utensil according to the present invention.
4 to 7 are longitudinal cross-sectional views illustrating a state in which a ceramic cooking vessel is coupled to a thermal conductive pad according to the present invention.
8 to 10 are perspective views of a ceramic frying pan of the present invention.
11 to 13 are perspective views of a ceramic grill plate of the present invention.

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

 In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

It is to be understood that the first to second aspects described in the present specification are merely referred to in order to distinguish between different components and are not limited to the order in which they are manufactured, It may not match.

In describing the thermal conductive pad for a ceramic cooking utensil according to the present invention, when it is specified by reference to FIG. 1 and FIG. 2 that the approximate direction reference is not rigid for the sake of convenience, Unless otherwise specified in the description and claims of the invention relating to the other drawings, the direction is specified in accordance with this standard.

Hereinafter, with reference to the accompanying drawings, a cooking pot usable with the present invention will first be described as a ceramic frying pan for convenience of understanding, and a thermal pad for a ceramic cooking utensil will be described.

8, 9, 10, 11, 12, and 13, which are perspective views of the ceramic frying pan P and the ceramic grill plate G as a ceramic cooking vessel,

A ceramic cooking vessel which can be heated by a non-sintering type heater such as an electric range or an induction range using the present invention largely includes a body 10, a handle 20, a lid 30, and a ceramic coating layer 40.

The body 10 includes a bottom 11, a side wall 12 connected upwardly along the rim of the bottom 11, and a plurality of bases 12 projecting concentrically from the bottom of the bottom 11, (13).

The body 10 is made of a metal material such as aluminum or stainless steel which is used as a general frying pan material.

The bottom portion 11 and the side wall portion 12 of the body 10 have the same structure as a general cooking vessel,

The body 10 (more strictly, the bottom portion 11) may have a circular or rectangular planar shape, and its shape is not limited.

The body 10 includes a plurality of support portions 13 protruding from a bottom surface of the bottom portion 11 in a concentric pattern,

And a ceramic coating layer 40 is provided on the receiving portion 13. [

Particularly, the receiving portion 13 includes a first receiving portion 13a arranged at a position spaced apart from the center of the bottom portion 11 by a predetermined distance, and a second receiving portion 13b disposed at a position spaced apart from the first receiving portion 13a by a predetermined distance And a second bearing portion 13b arranged on the second bearing portion 13b,

The first support portion 13a is formed to have a diameter smaller than that of the gas range,

The second support portion 13b is formed to have a diameter larger than that of the gas range,

The spark of the gas range is located in the space portions 13A and 13B formed between the first and second receiving portions 13a and 13b and the first and second receiving portions 13a and 13b It is possible to reduce the heat loss to shorten the cooking time and to prevent the large amount of the far-infrared rays emitted through the heat accumulation and the ceramic coating layer 40 from being peeled or damaged.

That is, when the spark of the gas range is formed in the space portions 13A and 13B formed by the difference of the diameters of the first and second receiving portions 13a and 13b as described above,

Since the flame is directly heated by contacting with the bottom 11 of the metal material instead of the ceramic coating layer 40, rapid heating as in the conventional metal material cooking vessel is possible,

Since the flame is not brought into contact with the ceramic coating layer 40, peeling or damage due to the direct heating of the ceramic coating layer 40 does not occur,

The ceramic coating layer 40 is heated by the radiant heat of the flame and the heat conduction through the bottom 11 without the flame directly heating the ceramic coating layer 40 so that a large amount of far infrared rays can be emitted.

The diameters of the first and second receiving portions 13a and 13b may vary depending on the size of the bottom portion 11, that is, the size of the kiln of the gas range corresponding to the size of the ceramic cooking vessel.

In other words, the small-sized ceramic cooking vessel is formed such that the diameter of the first and second receiving portions 13a and 13b is relatively small in accordance with the size of the small sized cooking cavity,

In the large ceramic cooking vessel, the diameter of the first and second receiving portions 13a and 13b is formed to be relatively large in accordance with the size of the large burner,

Selection of the size of the first and second pedestals 13a and 13b is determined in consideration of the size of a kiln provided in a generally used gas range and can be sufficiently predicted and reproduced by a typical person in the art. Without the specific numerical limitation, the right interpretation of the present invention should not be limited.

In addition, a firebox of a general gas range is formed of a double structure of an inner flame and an outer flame. The inner flame is in contact with the bottom portion 11 of the inner space portion 13A of the first receiving portion 13a, The outer space portion 13B between the first and second receiving portions 13a and 13b is heated, so that the above-mentioned effect can be maximized.

Of course, depending on the case, the flame structure of the furnace of the gas range may be changed, so that the number and arrangement position of the receiving portions 13 may be different.

Such a ceramic cooking vessel is typically composed of a ceramic frying pan (F) or a ceramic grill pan (G).

The ceramic frying pan F includes a plurality of support protrusions 14 protruding from the upper surface of the bottom portion 11,

The support protrusions 14 are provided to separate the food material (more precisely, the roughening material) and the bottom portion 11 from each other so that the food material and the bottom portion come into contact with each other with a minimum area,

The ceramic grill pan G includes a grill portion 15 protruding from the upper surface of the bottom portion 11 to have a predetermined length and having a plurality of ribs 15a spaced apart from each other by a predetermined distance.

There is a difference in that the grill portion 15 prevents the food material from burning by separating the food material to be cooked (more precisely, the grilled meats) from the bottom portion so that the food material and the bottom portion are brought into contact with the minimum area , And the rest of the configuration is the same.

The body 10 of the ceramic cooking vessel includes a step portion 12a formed inside the upper end of the side wall portion 12.

The outer end of the lid 20 is seated in the step portion 12a so that when the lid 20 is closed as if the lid 20 is inserted into the side wall portion 12 of the body 10 due to the step portion 12a, It is possible to improve the hermeticity so that the steam generated during the cooking of the food does not leak to the outside and the cooking time can be shortened and the steam cooking can be performed by using the ceramic frying pan together with the collecting protrusion to be described later.

The handle 20 is then connected to the side wall 12 of the body 10,

The handle 20 has a shape in which a handle part made of a heat insulating material such as plastic is coupled to a body part integrally connected to the side wall part 12 by the same material as the body 10,

Or a separate handle 20 made of a heat insulating material such as plastic may be coupled to the side wall 12 of the body 10.

The handle 20 may be a detachable handle detachably attachable to the body 10.

When the removable handle is introduced, the frying pan itself can be used like a pot for cooking without releasing the food into a separate bowl from the ceramic grill plate (G) after cooking, and the removable handle (21) The size can be minimized.

Next, the lid 30 prevents the outflow of the water vapor evaporating from the food being cooked to cover the upper surface opening of the body 10,

And is inclined downward from the center where the handle 31 of the lid 30 is coupled to the outer edge,

The lid 30 is seated on the step portion 12a of the body 10 and is closed to prevent the heated heat from leaking out of the ceramic cooking utensil.

The lid 30 may be made of the same or similar type as a general lid made of heat-resistant metal or glass material,

In the present invention, the lid 30 includes a ceramic, and when the lid is closed and the food is cooked, the lid 30 itself is heated due to the heat transmitted through the body 10, so that the far- .

Such a ceramic lid can be manufactured by coating a ceramic layer on the bottom surface of the lid, by making a lid with ceramic material itself, or by making a lid with a material containing a ceramic component.

The present invention is characterized in that a plurality of steam collecting protrusions 32 are protrudingly formed on the bottom surface of the lid 30 as another key element together with the receiving portion 13 and the step portion 12a .

The collecting protrusions 32 are formed in a conical or hemispherical structure having a top and a bottom,

The size, number, and position of the collecting protrusions 32 are not limited.

When the water vapor evaporated from the food is guided to the rim of the lid 30 along the inclined structure of the lid 30, the water collecting protrusions 32 flocculate water vapor into moisture, Thereby minimizing the evaporation of water when cooking food, making it possible to easily cook foods that require a long time of cooking with easy water control,

The collecting protrusion 32 can further enhance the effect of returning water vapor by improving the airtightness using the lid 30 that is seated on the step portion 12a.

On the other hand, the body 10 of the ceramic frying pan F includes an embossed space portion 16 formed outwardly convex at a middle height of the side wall portion 12.

The embossed space portion 16 is formed by extending a space surrounded by the side wall portion 12 into a ring shape. Due to the embossed space portion 16,

The steam generated during cooking collects toward the collecting protrusions formed on the bottom surface of the lid 30 without leaking between the outer end of the lid 30 and the step portion 12a,

The heated heat is guided to generate convection in the inside of the body through the embossed space portion 16,

Shortening the cooking time and cooking various kinds of food.

The ceramic coating layer 40 is formed by coating a ceramic material on the bottom surface of the receiving portion 13,

The ceramic material used for the ceramic coating includes various kinds of stones which emit far-infrared rays, for example, known ceramic components such as zeolite, germanium, elvan, jade, loess, charcoal.

The ceramic coating layer 40 improves heat accumulation by indirect heating, rather than direct heating of the heat source, thereby emitting a large amount of far-infrared rays.

Although not shown in the drawing, the ceramic coating layer 40 may further include a binder layer for allowing the ceramic material to adhere to the bottom surface of the receiving portion 13, and a protective layer for preventing the ceramic material from being peeled off or handed off.

The present invention has the above-described structure. The bottom part 11 is formed in a non-spherical shape such as an electric range or an induction range other than a general gas range as the bottom part 11 does not contact the heating part due to the receiving part 13, (C) for a ceramic cooking utensil capable of heating a ceramic cooking vessel, which can not be cooked by heating with a heater, by a non-sintering type heater,

1, 2, and 3, which are perspective views of a thermally conductive pad for a ceramic cooking utensil according to the present invention, and FIGS. 4, 5, and 6 , As shown in Fig. 7,

The heating unit of the heating unit uniformly transfers heat to the entire bottom 11 of the body 10. Especially when the ceramic cooking vessel is used in the induction range, the body 10 is heated by the heating unit of the induction range, .

More specifically, as shown in Figs. 1, 4 and 6,

And a body 60 of circular or rectangular shape including a metal component such as copper or iron so as to be able to be sensitive to the induction range heating part, that is, to be magnetically induced by the magnetic field of the heating part.

(Heat conductive pad C) is formed so as to have an area capable of covering one (one) heating portion (coil) provided in the non-spherical heater, and the ceramic cooking container F So that the bottom 11 is heated as a whole.

That is, in the ceramic cooking vessel F of the present invention, the support portion 13 formed with the ceramic coating layer 40 on the bottom portion 11 is formed. When heating is performed using the non-spherical heater, The heating efficiency may be lowered due to heating through the heat conduction,

When the thermally conductive pad C is used, the body 60 is heated in contact with the heating part, and the electromagnetic wave and the radiant heat generated by the metal component are radiated to the bottom part 11 where the receiving part 13 is not formed, So that the heating efficiency can be improved.

In particular, the ceramic fryer (F) of the above-described configuration can be heated through the induction range by the metal component contained in the body (60) of the thermal conductive pad (C).

That is, since the induction range uses a principle that a metallic body within the influence of a magnetic field is heated by applying a high voltage to a coil and inducing a magnetic field around the coil, without using a flame of a crater like a general gas range,

When the pedestal portion 13 having the ceramic coating layer 40 formed on the bottom portion 11 of the body 10 protrudes like the cooking vessel of the present invention, the bottom portion 11 is not contacted to the heating portion of the induction range Since only the ceramic coating layer 40 is contacted, the ceramic material of the non-metallic material does not cause a response to the heating part,

When a thermally conductive pad C including a heating part and a metal material that can be sensed is disposed below the body 10 of the cooking utensil and used, a heat source is generated due to the response of the heating part, and the body 10 can be heated.

Although not shown in the drawing, such a thermally conductive pad C may be manufactured by forming the body 60 in the form of a thin net including a metal component so that when the thermally conductive pad C is not used, (See Fig. 1).

Further, as shown in Figs. 2, 3, 5, and 7,

The body 60 includes a bottom surface portion 61 and a side surface portion 62 that form a receiving portion 63 into which the lower portion of the body 10 is fitted,

And a fitting portion 70 formed on an upper surface of the bottom surface portion 61 of the body 60 so as to correspond to a bottom surface of the bottom portion 11 and a bottom surface structure of the receiving portion 13,

The bottom portion 11 of the cooking vessel and the bottom surface portion 61 of the body 60 are brought into close contact with each other so that the body 10 of the cooking vessel It can be heated.

The fitting portion 70 of the body 60 is formed as a recessed portion 71 that is recessed in the bottom surface portion 61 in a shape corresponding to the first and second receiving portions 13a and 13b , And the upper surface of the bottom surface portion 61 has a concavo-convex groove structure.

At this time, the side surface portion 62 of the body 60 is formed to fit into the outer surface of the side wall portion 12 of the body 10.

When the heat conductive pad C detachably attached to the lower portion of the body 10 of the ceramic cooking vessel F while being closely attached thereto is used,

When the general gas range is used, the heat conductive pad C can be separated and the food can be cooked only by the ceramic cooking vessel F,

When a non-heating type heater such as an electric range or an induction range is used, the thermally conductive pad C can be assembled and cooked into a ceramic cooking vessel F,

Since the bottom portion 11 of the body 10 and the bottom portion 61 of the body 60 are tightly joined to each other by the concave-convex structure,

The contact area between the bottom portion 11 and the bottom portion 61 having good thermal conductivity can be maximized to enable rapid heating,

Since the non-metallic ceramic coating layer 40 is surrounded by the metal material, the ash ceramic coating layer 40 is embedded in the cooking container, and heat accumulation occurs through heat transfer, not by direct heating, so that a large amount of far- .

While the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying drawings. And substitutions are to be construed as falling within the scope of protection of the present invention.

F: Ceramic frying pan G: Ceramic grill pan
10: Body 11:
12: side wall portion 13:
20: handle 30: lid
31: handle 32: collecting projection
40: ceramic coating layer
C: Heat conduction pad 60: Body
61: bottom surface portion 62: side surface portion
63: receiving portion 70:
71:

Claims (4)

A body 10 formed of a bottom part 11, a side wall part 12 upwardly connected to the bottom part 11 and a plurality of receiving parts 13 protruding from the bottom of the bottom part 11, A thermal conductive pad for a ceramic cooking container which can be heated by using a non-spherical heater, the ceramic cooking pot including a ceramic coating layer (40) coated with a ceramic material on the receiving portion (13)

Shaped heating unit so as to have an area covering the heating unit of the non-spherical heating unit so as to heat the bottom part 11 of the ceramic cooking vessel placed on the upper part of the body 10, And a body (60) containing a metal component that can be heated in response to the component,

The body 60 is composed of a bottom surface portion 61 and a side surface portion 62 in which the outer surface of the side wall portion 12 is fitted so as to form a receiving portion into which the lower portion of the body 10 is fitted,
The upper surface of the bottom surface portion 61 of the body 60 is provided with a fitting portion 70 formed as a concave recessed portion 71 so as to correspond to the bottom surface structure of the bottom portion 11 and the receiving portion 13 , And the upper surface of the bottom surface portion 61 has a concavo-convex groove structure,

The bottom part 11 and the bottom surface part 61 of the body 60 come into tight contact with each other so as to come into close contact with each other while the receiving part 13 is fitted in the fitting part 70, As a result,
A non-metallic ceramic coating layer 40 is surrounded by a body 60 made of a metal material and heat accumulation is generated through heat transfer from the body 60 in the ceramic coating layer 40 to emit a large amount of far-

Wherein the body (60) is formed in a thin net-like shape including a metal component so that the body (60) can be held or folded when the use of the heat conductive pad is unnecessary.



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