JP2001161737A - Disposable body warmer, and heat insulation bag therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disposable body warmer which is excellent in convenience, and effective in preventing burns at high temperature and low temperature, and easy in use by a user at a desired temperature, and a heat insulation bag therefor. SOLUTION: A permeable heat insulation sheet in which a plurality of layers are laminated in a separable manner is covered on face and reverse sides of a heating body with a heat generating agent stored in a permeable bag body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable body warmer and a heat insulation bag for the body warmer utilizing an exothermic effect of oxidation of metal powder.

[0002]

Conventionally, a heating element composition containing metal powder, salts, water and the like is housed in a bag of air-permeable paper cloth, cloth (including nonwoven fabric and woven fabric) and the like. A chemical warmer that oxidizes a metal powder such as iron by oxygen that has passed through a bag to generate heat is generally known.

The heating temperature of this kind of disposable chemical warmer itself is set according to the average particle diameter of the metal powder, but is used by directly attaching it to a human body or clothing. For this reason, there is a problem that a high-temperature burn or a low-temperature burn is caused in a use mode directly attached to a human body.

[0004] This disadvantage can be solved by using a chemical warmer in a cloth bag, but it is difficult to sufficiently warm the human body depending on the use environment, and the above-mentioned cloth bag is required. Was inconvenient.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional drawbacks, and an object of the present invention is to provide a disposable warmer which is excellent in usability and can effectively prevent low-temperature burns and high-temperature burns. And a heat-insulating bag for cairo.

It is another object of the present invention to provide a disposable body warmer and a heat insulation bag for the body warmer which can be easily used at a temperature desired by a user.

[0007]

A first aspect of the present invention is to provide a heating element in which an exothermic agent is contained in an air-permeable bag, and a plurality of layers on the front and back surfaces of the heating element so that they can be separated and taken out. And a heat insulating sheet.

According to a second aspect of the present invention, a heat generating material is housed in an air-permeable bag, and the heat generating material is formed in a cylindrical shape. And a heat-insulating tubular heat-insulating sheet.

According to a third aspect of the present invention, a heating material is accommodated in an air-permeable bag, and a bag-shaped heating element formed in a bag shape is laminated on the outer and inner surfaces of the bag-shaped heating element so as to be separated and taken out in a plurality of layers. And a bag-shaped heat insulating sheet having air permeability.

According to a ninth aspect of the present invention, a plurality of heat insulating sheets are formed in a bag shape by stacking a plurality of heat insulating sheets so as to be separated and taken out.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Embodiment 1 FIG. 1 is an overall perspective view of a disposable body warmer, and FIG.
FIG. 2 is a sectional view taken along line II.

The heating element 3 of the disposable body warmer 1 is provided in a bag 5 made of air-permeable paper cloth, non-woven cloth, woven cloth, or the like, metal powder such as iron powder or aluminum powder, a water retention agent, a reaction accelerator, The heating agent contains a heat generating agent mixed with a fragrance or the like according to the above, and the heat generating agent generates heat when the metal powder contained in the bag 5 is oxidized by air (oxygen) passing through the bag body 5. Is appropriately selected depending on the average particle size of the metal powder. The heating agent contained in the heating element 3 is a conventionally known heating agent, and is not limited thereto.

A plurality of heat insulating sheets 7 made of air-permeable paper cloth, non-woven cloth, woven cloth or the like are laminated on the outer surface of the heating element 3 so as to be separated and taken out. Each of these heat insulating sheets 7
A knob 7a is provided on a part (one side or a corner) of the frame. The grip 7a is gripped, the heat insulating sheet 7 is taken out, and the number of laminated sheets is changed. Although the figure shows a three-layer configuration as the number of laminated heat-insulating sheets 7, it is sufficient that at least two or more layers are provided, and a larger number of laminated sheets is better in order to enable fine adjustment of the operating temperature.

The uppermost layer of the laminated heat-insulating sheet 7 is covered with a storage bag 9 made of air-permeable paper cloth, non-woven cloth, woven cloth or synthetic resin film. The slit 9a is formed with a width that allows each knob 7a to protrude to the outside. Each of the heat insulating sheets 7 can be selectively pulled out by each of the take-out pieces 7a protruding outside through the slits 9a.

The storage bag 9 containing the heating element 3 and the heat insulating sheet 7 is stored in a packaging bag (not shown) made of a non-permeable synthetic resin sheet. When storing the disposable body warmer 1 in the packaging bag, the air in the packaging bag may be degassed (vacuum packaging) or an oxygen absorbent may be provided inside.

The disposable body warmer 1 constructed as described above
An example of use will be described. FIG. 3 is an explanatory diagram showing a temperature adjustment state.

First, after a part of the packaging bag is broken and the disposable body warmer 1 is taken out, the heat insulating sheet 7 is removed from the storage bag 9 in accordance with a use environment such as a place where the disposable body warmer 1 is attached and a desired temperature. It is selectively pulled out and the degree of heat insulation by the heat insulating sheet 7 is adjusted. That is, in the case of using at a relatively low temperature for a long time, about one heat insulating sheet 7 is pulled out from the storage bag 9 as it is, or the heat insulating degree of each heat insulating sheet 7 is increased. On the other hand, when using at a relatively high temperature, another insulation sheet 7 is pulled out from the storage bag 9 with one insulation sheet 7 left, and the insulation sheet 7 is removed.
To reduce the thickness of the heat insulating layer. Even in this usage mode, burns can be prevented by leaving at least one heat insulating sheet 7.

The heating element 3 whose thickness of the heat insulating layer is adjusted by the heat insulating sheet 7 as described above is used in a user's pocket or directly attached to the skin. In this state, since the amount of heat generated from the heating element 3 is adjusted by the number of coated heat insulating sheets 7, it is possible to prevent a low-temperature burn or a high-temperature burn even when the heat-generating body 3 is directly attached to the skin. Can be.

Embodiment 2 FIG. 4 is a perspective view showing a disposable body warmer according to Embodiment 2.
FIG. 5 is a sectional view taken along line VV of FIG.

In this embodiment, a disposable body warmer 21 is formed in a cylindrical shape and is attached to a user's arm or leg to be used as an arm warmer or a leg warmer. Is formed in the same manner as in the first embodiment except that it is formed in a cylindrical shape, and a detailed description thereof is omitted.

When the heating element 3 covered with the heat insulating sheet 7 and the storage bag 9 is accommodated in the packaging bag 11, the heating element 3
May be accommodated in a flat state.

As an example of the use of the disposable body warmer 21, a required number of heat insulating sheets 7 are taken out according to the use environment and a desired temperature after the packaging bag is broken and the flat disposable body warmer 21 is taken out. To adjust the thickness of the heat insulating layer. Then, with the inside of the disposable body warmer 21 hollowed out, the wearer's legs and arms are inserted and used as an arm warmer or a leg warmer.

Embodiment 3 In this embodiment, the ends of a plurality of heat insulating sheets 7 are joined so as to have a hollow portion inside, and the heating element 3 is accommodated in the hollow portion. Alternatively, the plurality of heat insulating sheets 7 may be folded back in a superimposed state, and then the ends may be sewn together to form a perforated perforation so that the number of laminated sheets can be adjusted.

In the above description, one disposable body warmer 21 is used.
Was used as a leg warmer or an arm warmer, but a plurality of disposable body warmers 21 were joined to each other so that the hollow portions were continuous to be longer, and the arms and feet were entirely covered. Is also good. In this case, the temperature of the disposable body warmer 21 can be adjusted according to each part of the arm or foot to be attached. When the disposable warmers 21 are joined together, the disposable warmers 21
The structure which joined mutually by the elastic cylinder may be sufficient.
Thereby, bending of the elbow and the knee can be facilitated.

The disposable body warmer 1 according to the first embodiment may be used as an insole directly in gloves or shoes, for example. Or it may be able to be directly attached to the body.

The disposable body warmer 21 according to the second embodiment is used in a manner that the disposable body warmer 21 is formed in a bag shape so that a hand can be inserted into the inside of the body warmer 21 or an object stored inside can be kept warm. Is also good.

The heat insulating sheet 7 of each of the above-described embodiments has a structure in which the heat insulating sheet 7 can be pulled out and stored in the storage bag 9, but as shown in FIG. The overlapping ends of the sheet 7 are perforated to join the ends together and form a perforation 7b,
It may be configured to be separable along the perforation. Also,
The overlapped end portions may be bonded to each other, and a perforation may be provided at a non-adhered portion of the end portion so that the end portion can be separated at the perforation. In this case, it is not necessary to house the heating element 3 itself covered with the heat insulating sheet 7, particularly in the storage bag 9.

[0028]

The present invention is excellent in usability and can effectively prevent low-temperature burns and high-temperature burns. Another object of the present invention is to easily use the battery at a temperature desired by the user.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a disposable body warmer.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is an explanatory diagram illustrating a temperature adjustment state.

FIG. 4 is a perspective view showing a disposable body warmer according to Embodiment 2.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a perspective view showing a deflection embodiment.

[Explanation of symbols]

1.21-disposable body warmer, 3-heating element, 5-bag, 7
―Insulation sheet

Claims (9)

[Claims] 1. A disposable body warmer comprising: a heating element in which a heating agent is contained in a gas-permeable bag; and a heat-insulating sheet having air permeability laminated on the front and back surfaces of the heating element so as to be separated and taken out in a plurality of layers. . 2. A heat generating material is housed in an air permeable bag, and a cylindrical heat generating body is formed in a tubular shape, and a plurality of layers are formed on an outer surface and an inner surface of the cylindrical heat generating member so as to be separated and taken out. A disposable body warmer consisting of a tubular heat insulating sheet having temperament. 3. A bag-shaped heating element in which a heating material is accommodated in an air-permeable bag, and a bag-shaped heating element formed on a plurality of layers on the outer and inner surfaces of the bag-shaped heating element so as to be separated and taken out. A disposable body warmer consisting of a bag-like heat insulating sheet with temperament. 4. A disposable body warmer according to claim 1, wherein the heat insulating sheet is at least one of a paper sheet, a cloth sheet and a synthetic resin sheet having air permeability. 5. A housing according to claim 1, 2 or 3, wherein a portion of each of the heat-insulating sheets laminated on the front and back surfaces of the heating element protrudes to the outside and an opening through which the heat-insulating sheet can be extracted is provided. A disposable body warmer housed in a bag. 6. A heat generating material is accommodated in an air permeable bag, and a cylindrical heat generating body is formed in a tubular shape, and a plurality of layers are formed on an outer surface and an inner surface of the cylindrical heat generating member so as to be separated and taken out. A plurality of body units consisting of a tubular heat insulating sheet having temperament,
A disposable body warmer with hollow sections joined together. 7. A disposable body warmer according to claim 6, wherein the body warmer unit is joined via a tubular elastic body. 8. A disposable body warmer according to claim 1, wherein an outer side of the heat insulating sheet is provided with an adhesive sheet. 9. A heat-insulating bag for a warmer, which has a space for accommodating a heating element therein and is formed in a bag shape by laminating a plurality of heat-insulating sheets so as to be separated and taken out.