JP3465713B1 - Vacuum insulation - Google Patents

Abstract

An object of the present invention is to prevent a pinhole in a jacket material caused by an adsorbent in a vacuum heat insulating material. SOLUTION: A vacuum heat insulating material 11 encloses a substantially plate-shaped core material 12 constituting two planes whose upper surface and lower surface face each other, and an adsorbent 13 embedded in the core material 12 with a jacket material 14. And
The first core 12 is provided at a predetermined interval from an end surface of the core 12 toward the center of the core 12 so as to be able to divide the core 12 right and left halfway.
The second vertical cuts 15 and 16 and the first
From the end face of the core material 12 to a substantially central direction of the core material 12 so that the core material 12 can be divided into upper and lower portions with respect to a portion located between the vertical cut 15 and the second vertical cut 16. The adsorbent 13 has a horizontal cut 17 provided halfway toward the center, and the adsorbent 13 is disposed in the horizontal cut 17.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a vacuum heat insulating material containing an adsorbent.

[0002]

2. Description of the Related Art In recent years, global warming and resource depletion have become problems, and energy saving and resource saving have been strongly demanded.
So, keep the refrigerator, jar, water heater, etc.
Vacuum insulation materials have come to be used in refrigeration and refrigeration equipment in order to use heat energy efficiently.

A conventional vacuum heat insulating material is a core material and an adsorbent (getter agent) for adsorbing moisture or gas in the core material.
And an outer covering material (container) enclosing them (see, for example, Patent Document 1).

Hereinafter, the conventional vacuum heat insulating material will be described with reference to the drawings.

FIG. 27 is a sectional view of a conventional vacuum heat insulating material. As shown in FIG. 27, the conventional vacuum heat insulating material 1 includes a core material (core material) 2 and an adsorbent (getter) that adsorbs and removes gas that has entered from the outside or moisture or gas that comes out of the core material 2. Agent) 3 and outer covering material (container) 4, and core material 2
And the adsorbent 3 arranged in the recess of the core material 2 are covered with an outer covering material (container) 4, and the inside is decompressed and sealed.

The core material 2 is generally made of an inorganic material such as pearlite, silica powder or glass fiber, or an organic material such as urethane.

The outer covering material 4 usually has a gas barrier layer made of an aluminum vapor deposition layer obtained by vapor deposition of aluminum on an aluminum foil or polyethylene terephthalate / polypropylene and a layer made of polyethylene for heat fusion. Nylon, PE on the other side
A laminate film having a T layer is used, and the gas barrier layer plays a role of preventing gas from permeating the laminate film when heat stress is applied to the vacuum heat insulating material 1.

[0008]

[Patent Document 1] JP-A-7-63469 (page 4,
(Fig. 2)

[0009]

However, in the above-mentioned conventional structure, the adsorbent 3 is sandwiched between the core material 2 and the outer jacket material 4, or the core material 2 is provided with a recess and the adsorbent is provided in that portion. Only 3 was placed.

Since the covering material 4 is made as thin as possible in order to minimize the heat loss in the sealing portion, these methods are similar to the calcium oxide type adsorbents used for commercial foods. When an adsorbent having a large particle size and a sharp fracture surface of each particle is used, the adsorbent fracture surface pierces the outer jacket material 4 from the inside during vacuum packaging and pierces the gas barrier layer, resulting in a pinhole. There is a drawback that the so-called small holes are generated and the heat insulation performance is deteriorated.

The present invention solves the conventional problems, and an object of the present invention is to provide a vacuum heat insulating material in which pinholes are prevented.

[0012]

The invention of a vacuum heat insulating material according to claim 1 of the present invention is a substantially plate-shaped core material having two flat surfaces whose upper and lower surfaces face each other, and embedded in the core material. The adsorbent, which is a vacuum heat insulating material wrapped with a jacket material, wherein the core material is separated from the end surface of the core material so that the core material can be divided into right and left halfway. A first vertical cut provided halfway toward the substantially center direction, and halfway from the end surface of the core material toward the substantially center direction of the core material so that the core material can be divided left and right halfway Up to a second vertical cut provided at a predetermined interval from the first vertical cut, and a portion of the core material located between the first vertical cut and the second vertical cut. On the other hand, the core is cut from the end face of the core so that the core can be divided into upper and lower parts. And a transverse cuts provided partway toward a substantially central direction of serial adsorbents are those which are disposed in the side of the cut.

In the above structure, the first and second vertical cuts are spaced from each other by a predetermined distance from the end surface of the core member toward the center of the core member so that the core member can be divided into left and right parts. Since it is provided separately, when the horizontal cut for arranging the adsorbent is provided for the core material portion located between the first vertical cut and the second vertical cut, It is possible to prevent the break from spreading to the left and right more than between the first vertical break and the second vertical break, and it is possible to easily manufacture the adsorbent installation portion. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, improving the puncture resistance, and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Has the effect of being able to prevent

According to a second aspect of the invention, there is provided the vacuum heat insulating material according to the first aspect, wherein the first vertical cut and the second vertical cut in the vacuum heat insulating material according to the first aspect are such that the tips of the cuts are mutually adjacent. It is bent at a substantially right angle in the middle so as to come close to each other. In addition to the action of the invention described in claim 1, the first and second vertical cuts are arranged so that the ends of the cuts come close to each other. Since it is bent at a substantially right angle on the way, it is possible to prevent the first and second vertical cuts and the horizontal cuts from spreading further to the inner side than the bent tip portion of the first and second vertical cuts. It has an effect that the agent installation portion can be easily manufactured.

According to a third aspect of the present invention, the vacuum heat insulating material comprises a substantially plate-shaped core material having two upper and lower surfaces facing each other, and an adsorbent embedded in the core material. A vacuum heat insulating material wrapped with a material, wherein the core is halfway from the end face of the core to a substantially central direction of the core so that the core can be divided left and right halfway. A vertical cut provided at a predetermined interval from a corner portion of the core material, the vertical cut in the core material, and another end surface adjacent to the end surface provided with the vertical cut with the corner portion interposed therebetween. And a horizontal cut provided halfway from the end face where the vertical cut is provided so that the core can be divided into upper and lower parts with respect to a portion located between And the adsorbent is located within the lateral cut A.

In the above construction, since the vertical cut is provided halfway from the end face of the core material toward the substantial center direction of the core material so that the core material can be divided into left and right parts in the middle, the adsorbent is arranged. When a horizontal cut is provided for a core material portion located between a vertical cut in the core material and another end surface adjacent to the end surface where the vertical cut is provided, with the corner portion interposed therebetween. , It is possible to prevent horizontal cuts from spreading to the left and right from the space between the vertical cuts and the end face where the vertical cuts are provided, and between the other end faces that are adjacent to each other with the corners sandwiched between them, and to easily create the adsorbent installation part. It has the effect that Further, since the vertical cut is required only at one place, the time required to make the vertical cut in the core material can be significantly reduced, and the decrease in rigidity of the core material due to the vertical cut in the core material can be suppressed. it can. Furthermore, since the adsorbent is sandwiched between the core materials,
Since the adsorbent and the jacket material do not come into direct contact with each other, the puncture resistance is improved, and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent can be prevented.

The invention of a vacuum heat insulating material according to a fourth aspect is a vacuum heat insulating material according to the third aspect, which is bent substantially at a right angle on the way so that the tip of the vertical cut may approach the other end surface. In addition to the action of the invention described in claim 3, since the tip of the vertical cut is bent at a substantially right angle in the middle so that it approaches the other end surface, the vertical cut and the horizontal cut are on the back side. It has an effect that it is possible to suppress the spread and easily manufacture the adsorbent installation portion.

According to a fifth aspect of the invention, there is provided a vacuum heat insulating material, which comprises a substantially plate-shaped core material whose upper and lower surfaces are opposed to each other, and an adsorbent embedded in the core material. A vacuum heat insulating material wrapped with a material, wherein the core material has an L shape when viewed from the upper surface side or the lower surface side and penetrates between the upper surface and the lower surface. A lateral cut provided from the corner of the L-shaped cut toward the back so that the core can be divided into upper and lower parts with respect to a portion of the core material sandwiched by the L-shaped cut. The adsorbent is arranged in the lateral cut.

In the above structure, the L-shaped cut has an L shape when viewed from the upper surface side or the lower surface side of the core material, and penetrates between the upper surface and the lower surface of the core material, and Since the horizontal cut for arranging is provided for the core material portion sandwiched by the L-shaped cuts in the core material, the adsorbent installation portion is not limited to the end portion of the core material, and is also provided in the central portion of the core material. It has the effect that it can be provided. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. It has the effect of being able to prevent the occurrence.

According to a sixth aspect of the invention, there is provided a vacuum heat insulating material, which comprises a substantially plate-shaped core material having two upper and lower surfaces facing each other, and an adsorbent embedded in the core material. A vacuum heat insulating material wrapped with a material, wherein the core material has a U shape when viewed from the upper surface side or the lower surface side, and a U-shaped cut penetrating between the upper surface and the lower surface. , Provided from the end of the side that is the free end of the U-shaped cut toward the back so that the core can be divided into upper and lower parts with respect to the portion sandwiched by the U-shaped cut in the core A horizontal cut is provided, and the adsorbent is arranged in the horizontal cut.

In the above structure, the U-shaped cut has a U shape when viewed from the upper surface side or the lower surface side of the core material, and penetrates between the upper surface and the lower surface of the core material. Since the horizontal cut for arranging is provided for the core material part sandwiched by the U-shaped cut in the core material, the horizontal cut for disposing the adsorbent is sandwiched by the U-shaped cut in the core material. When it is provided to the open portion, the horizontal cut can be prevented from spreading to the left and right from the portion sandwiched by the U-shaped cut, and the adsorbent installation portion can be easily manufactured. In addition, the adsorbent installation portion is not limited to the end portion of the core material, and can be provided in the central portion of the core material. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. It has the effect of being able to prevent the occurrence.

In the invention of a vacuum heat insulating material according to a seventh aspect, a substantially plate-shaped core material having two flat surfaces whose upper and lower surfaces face each other, and an adsorbent embedded in the core material are used as an outer cover. A vacuum heat insulating material wrapped with a material, wherein the core material is halfway from an end surface of the core material toward a substantially central direction of the core material and halfway toward one of the two flat surfaces from the two flat surfaces. A first vertical cut provided along a plane that is substantially vertical to, and halfway from the end surface of the core material toward the substantially center direction of the core material and halfway from one of the two flat surfaces to the other. A second vertical cut provided at a predetermined interval from the first vertical cut along a plane substantially perpendicular to the two planes, the first vertical cut in the core material, and the second vertical cut. The core material can be divided up and down with respect to the part located between the break Wherein and a transverse cuts provided from the end face of the core material partway toward a substantially central direction of the core material as the adsorbent are those that are located in the side of the cut.

In the above structure, the first and second vertical cuts extend from the end face of the core member toward the middle of the core member, and from one of the two planes of the upper and lower surfaces of the core member to the other. Since it is provided at a predetermined interval along a plane substantially perpendicular to the two planes, a horizontal cut for placing the adsorbent is provided between the first vertical cut and the second vertical cut. When it is provided for the positioned core material part, the horizontal cut can be prevented from spreading to the left and right more than between the first vertical cut and the second vertical cut, and the adsorbent installation part can be easily Since the first and second vertical cuts do not penetrate between the upper surface and the lower surface of the core material, the strength of the core material can be secured accordingly, and the rigidity of the manufactured vacuum heat insulating material can be improved. Has the effect of being able to maintain strong. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. It has the effect of being able to prevent the occurrence.

The invention of a vacuum heat insulating material according to claim 8 is characterized in that: a substantially plate-shaped core material having two flat surfaces whose upper and lower surfaces face each other; and an adsorbent embedded in the core material. A vacuum heat insulating material wrapped with a material, wherein the core material has a rectangular shape when viewed from the upper surface side or the lower surface side, and a square cut penetrating between the upper surface and the lower surface, and the core. A lateral cut provided so that the core material can be divided into upper and lower parts with respect to a portion surrounded by the rectangular cut in the material, and the adsorbent is arranged in the horizontal cut. It is a thing.

In the above structure, since the quadrangular cut penetrates between the upper surface and the lower surface of the core material, the portion surrounded by the quadrangular cut can be separated from the core material. Therefore, a horizontal cut for arranging the adsorbent is formed. Can be easily provided in the part surrounded by the square cut in the core material in a state where the part surrounded by the square cut is separated from the core material. Since it can be prevented from spreading to the outside and the part surrounded by the rectangular cut can be returned to the core after placing the adsorbent on the horizontal cut, the adsorbent installation part can be made extremely easily. Have an effect. In addition, the adsorbent installation portion is not limited to the end portion of the core material, and can be provided in the central portion of the core material. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, improving the puncture resistance, and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Has the effect of being able to prevent

The invention of the vacuum heat insulating material according to claim 9 is such that at least one side of the quadrangular cut of the core material of the vacuum heat insulating material according to claim 8 has a cut surface where a broken line-like cut is cut off. In addition to the function of the invention described in claim 8, at least 1 is required when the square cut is formed in the core material.
Make one side with a broken line, and make sure that the part surrounded by the square cut does not fall off from the core material until the side cut that becomes the adsorbent installation part is made in the part surrounded by the square cut. When a horizontal cut that serves as an adsorbent installation portion is provided in the area surrounded by the quadrangular cut, a manufacturing method that makes it possible to separate the part surrounded by the quadrangular cut from the core material by breaking the broken line notch Have.

The invention of the vacuum heat insulating material according to claim 10 is
The vacuum cut material according to any one of claims 1 to 9, wherein the lateral cut is between a surface of the upper surface or the lower surface, which is a side to be bonded to an object to be insulated, and the horizontal cut. The thickness is provided so as to be thicker than the thickness between the surface on the anti-adhesion side and the lateral cut, and in addition to the action of the invention according to any one of claims 1 to 9,
The thickness of the horizontal cut is either the upper surface or the lower surface of the core material, which is the side between the side to be bonded to the object to be insulated and the horizontal cut, and the thickness between the surface to be the anti-bond side and the side cut. Since the vacuum heat insulating material is provided so as to be thick, the side of the vacuum heat insulating material that comes into contact with the heat insulating material is less likely to be deformed due to the influence of the adsorbent installation, so that there is an effect that a factor that hinders adhesion to the heat insulating material can be eliminated.

The invention of the vacuum heat insulating material according to claim 11 is
The vacuum heat insulating material according to any one of claims 1 to 10, wherein a recess for accommodating the adsorbent is provided in the lateral cut portion, and the vacuum heat insulating material according to any one of claims 1 to 10. In addition to the effect of the invention of the above, by providing a recess corresponding to the size of the adsorbent in the horizontal cut portion in the vacuum heat insulating material, it is possible to suppress the bulging of the core material due to the installation of the adsorbent, and the vacuum heat insulating material Since it is less likely to be deformed due to the influence of the adsorbent installed, it has the effect of eliminating the factor that hinders the adhesion to the object to be insulated.

The invention of the vacuum heat insulating material according to claim 12 is
A protective sheet insertion cut is provided between the lateral cut and at least one of the upper surface and the lower surface in the vacuum heat insulating material according to claim 1, and the protective sheet insertion cut is provided. A protective sheet for covering the adsorbent from the upper surface side or the lower surface side is arranged in the adsorbent in addition to the function of the invention according to any one of claims 1 to 11. The protective sheet is provided on the outside of the core material while being sandwiched between the core material, the protective sheet, and the core material between the adsorbent and the jacket material because the protective material is provided on the outside. Therefore, there is an effect that the puncture resistance is significantly improved, and the occurrence of pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent can be more reliably prevented.

The invention of the vacuum heat insulating material according to claim 13 is
The core material in the vacuum heat insulating material according to any one of claims 1 to 12, wherein the core material is made of inorganic fiber or polyurethane foam, and the core material has flexibility and elasticity and is provided with cuts or recesses. Inorganic fibers or foamed polyurethane can be used.

[0031]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a vacuum heat insulating material according to the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a sectional view of a vacuum heat insulating material according to Embodiment 1 of the present invention. FIG. 2 is a top view of the core material for the vacuum heat insulating material of the same embodiment.

As shown in FIGS. 1 and 2, the vacuum heat insulating material 11 according to the present embodiment is made of glass wool, and has a substantially plate-like core member 12 having two upper and lower surfaces facing each other, and a core member. 1
A calcium oxide-based granular adsorbent 13 embedded in 2 is wrapped with an outer covering material 14.

The jacket material 14 is a laminate film, one of which has a surface layer made of nylon, polyethylene terephthalate, etc., a gas barrier layer made of aluminum foil in the middle, and a polyethylene layer for heat fusion inside the gas barrier layer. The surface layer and the heat-sealing layer are made of the same material, and are composed of a gas barrier layer composed of an aluminum vapor deposition layer in which aluminum is vapor deposited.

The core material 12 is separated from the end surface of the core material 12 so that the core material 12 can be divided into right and left halfway.
The first vertical cut 15 provided partway toward the substantially central direction of the core material, and the core material 12 extending from the end surface of the core material 12 toward the substantially center direction of the core material 12 so that the core material 12 can be divided into the left and right parts. A second vertical cut 16 provided at a predetermined interval from the first vertical cut 15 and a core member 12
First vertical cut 15 and second vertical cut 16 in
A horizontal cut 17 provided halfway from the end surface of the core material 12 toward the approximate center direction of the core material 12 so that the core material 12 can be divided into upper and lower parts with respect to a portion located between
And have. The horizontal cut 17 constitutes an adsorbent holding portion, and the adsorbent 13 is arranged in the horizontal cut 17.

The manufacturing method and operation of the vacuum heat insulating material 11 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 11, first, the core material 12 is provided with first and second vertical cuts 15 and 16 at predetermined intervals.

At this time, a water jet, a cutter or the like is used for producing the first and second vertical cuts 15 and 16 for the core material 12.

Next, using a flat jig or the like, the core material 12
First vertical cut 15 and second vertical cut 16 in
A lateral cut (adsorbent holding portion) 17 is provided for a portion located between the and.

Here, the first and second vertical cuts 15 and 1
6 is provided at a predetermined interval from the end face of the core material 12 toward the approximate center direction of the core material 12 so that the core material 12 can be divided into right and left halfway.
A core material 12 having a horizontal cut 17 for arranging 3 is located between the first vertical cut 15 and the second vertical cut 16.
When provided on the part, the horizontal cut 17 can be prevented from spreading to the left and right more than between the first vertical cut 15 and the second vertical cut 16, and the adsorbent installation portion 17 can be easily manufactured. can do.

Further, since the adsorbent 13 is sandwiched between the core materials 12, the adsorbent 13 and the outer covering material 14 do not come into direct contact with each other, so that the piercing property is improved, and during the vacuum packaging due to the unevenness of the adsorbent 13. The effect that can prevent the occurrence of pinholes in the outer covering material 14 is obtained.

Although glass wool was used as the core material 12,
Other inorganic fibers such as rock wool and polyurethane foam may be used. Further, the adsorbent 13 is a calcium oxide-based granular adsorbent, but is in the form of granules, honeycombs,
The shape may be a corrugated shape, a sheet shape, or a rectangular pillar shape. The materials are zeolite, silica gel, activated carbon, alumina wool,
Compounds such as hydrotalcite-like compounds, chlorides such as calcium chloride and magnesium chloride, metal oxides such as calcium oxide and metal hydroxides such as aluminum hydroxide and magnesium hydroxide may be used.

(Second Embodiment) Next, a second embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 3 is a sectional view of the vacuum heat insulating material according to the second embodiment of the present invention, and FIG. 4 is a top view of the core material for the vacuum heat insulating material of the same embodiment.

As shown in FIG. 3 and FIG. 4, the vacuum heat insulating material 21 of the present embodiment is embedded in the core material 22 and a substantially plate-shaped core material 22 having two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 22 is separated from the end surface of the core material 22 so that the core material 22 can be divided into right and left halfway.
The first vertical cut 25 provided halfway toward the substantially central direction of the core member 22 and the end face of the core member 22 directed substantially in the center direction of the core member 22 so that the core member 22 can be divided into the left and right parts. A second vertical cut 26 provided at a predetermined interval from the first vertical cut 25 and a core member 22.
First vertical cut 25 and second vertical cut 26 in
A horizontal cut 27 is provided halfway from the end surface of the core material 22 toward the substantially center direction of the core material 22 so that the core material 22 can be vertically divided with respect to the portion located between
And the adsorbent 13 is disposed in a lateral cut 27 that serves as an adsorbent holding portion.

The first vertical cut 25 and the second vertical cut 26 are bent at a substantially right angle in the middle so that the tips of the cuts approach each other.

The difference between the vacuum heat insulating material 21 of this embodiment and the vacuum heat insulating material 11 of the first embodiment is that the core material 12 of the vacuum heat insulating material 11 of the first embodiment is arranged in the first and second vertical directions. Break 1
While 5 and 16 are linear, the first and second vertical cuts of the core material 22 of the vacuum heat insulating material 21 of the present embodiment are substantially perpendicular to each other so that the ends of the cuts come close to each other. The only difference is that it is bent, and other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 21 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 21, first, the first vertical cut 15 and the second vertical cut 16 are spaced from the core material 22 by a predetermined distance so that the tips of the cuts come close to each other. Provide so that it fits.

At this time, a water jet, a cutter, or the like is used to manufacture the first and second vertical cuts 25 and 26 for the core material 22.

Next, using a flat jig or the like, the core material 22 is
First vertical cut 25 and second vertical cut 26 in
A horizontal cut (adsorbent holding portion) 27 is provided for a portion located between the and.

Here, the first and second vertical cuts 25, 2
6 is provided at a predetermined interval from the end surface of the core material 22 toward the approximate center direction of the core material 22 so that the core material 22 can be divided into right and left halfway.
The horizontal cut 27 for arranging the first vertical cut 2
5 and the second vertical cut 26, the horizontal cut 27 is provided between the first vertical cut 25 and the second vertical cut 26 when provided for the core 22 portion. Can be prevented from spreading to the left and right.

Furthermore, the first and second vertical cuts 25, 2
Since 6 is bent at a substantially right angle in the middle so that the ends of the cuts come close to each other, the first and second vertical cuts 25 and 26 and the horizontal cut 27 are the first and second vertical cuts. It is possible to suppress the spread of the adsorbents 25 and 26 to the inner side than the bent tip portions, and the adsorbent installation portion 27 can be easily manufactured.

Further, since the adsorbent 13 is sandwiched between the core material 22, the adsorbent 22 and the jacket material 14 do not come into direct contact with each other, so that the puncture resistance is improved and the vacuum packaging due to the unevenness of the adsorbent 23 is performed. The effect that can prevent the occurrence of pinholes in the outer covering material 14 is obtained.

(Third Embodiment) Next, a third embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 5 is a sectional view of a vacuum heat insulating material according to a third embodiment of the present invention, and FIG. 6 is a top view of a core material for a vacuum heat insulating material according to the third embodiment.

As shown in FIGS. 5 and 6, the vacuum heat insulating material 31 of the present embodiment is embedded in the core material 32 and a substantially plate-shaped core material 32 having two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 32 is formed from the end surface of the core material 32 so that the core material 32 can be divided into right and left halfway.
A vertical cut 35 provided at a predetermined interval from the corner of the core 32 toward the substantially central direction of the core 32, and a corner on the end face of the core 32 where the vertical cut 35 and the vertical cut 35 are provided. From the end face where the vertical cut 35 is provided so that the core member 32 can be vertically divided with respect to the portion located between the other end faces adjacent to each other, in the direction of substantially the center of the core member 32. The adsorbent 13 is disposed in the lateral cut 37 that serves as an adsorbent holding portion.

The difference between the vacuum heat insulating material 31 of the present embodiment and the vacuum heat insulating material 11 of the first embodiment is that the core material 12 of the vacuum heat insulating material 11 of the first embodiment has the first and second longitudinal directions. Break 1
5 are respectively provided at the substantially central portions of the end faces,
The core material 32 of the vacuum heat insulating material 31 of the present embodiment is provided with one vertical cut 35 at a predetermined interval from the corner portion of the core material 32, and the core of the vacuum heat insulating material 11 of the first embodiment. Material 12
However, while the horizontal cut 17 serving as the adsorbent holding portion is provided in the portion of the core material 12 located between the first vertical cut 15 and the second vertical cut 16, the present embodiment The core material 32 of the vacuum heat insulating material 31 of the above-mentioned form is adjacent to the horizontal cut 37 serving as the adsorbent holding portion with the vertical cut 35 of the core material 32 and the end face provided with the vertical cut 35 with a corner portion therebetween. It is only a point provided in a portion located between another end face and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 31 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 31, first, the core material 32 is provided with vertical cuts 35 at predetermined intervals from the corners of the core material 32.

At this time, a vertical cut 35 with respect to the core 32 is formed.
A water jet, a cutter, or the like is used for manufacturing.

Next, using a flat jig or the like, the core material 32 is
A horizontal cut (adsorbent holding portion) 37 is provided for a portion located between the vertical cut 35 and the end face provided with the vertical cut 35 and another end face adjacent to each other with a corner portion interposed therebetween.

Here, since the vertical cut 35 is provided halfway from the end surface of the core material 32 toward the approximate center direction of the core material 32 so that the core material 32 can be divided into left and right parts in the middle, suction is performed. Lateral cut 37 for placing agent 13
The vertical cut 35 and the vertical cut 35 in the core 32.
When provided on the core material 32 portion located between the end face provided with the corner portion and another end face adjacent to the other end face, a horizontal cut 37 is provided with a vertical cut 35 and a vertical cut 35. It is possible to prevent the end surface from spreading to the left and right from another end surface adjacent to another end surface with the corner portion sandwiched therebetween, and the adsorbent installation portion 37 can be easily manufactured.

Further, since the vertical cut 35 is required only at one place, the time required to provide the vertical cut 35 in the core 32 can be significantly reduced, and the vertical cut 35 can be formed in the core 32.
It is possible to suppress a decrease in rigidity of the core material 32 due to the provision of.

Further, since the adsorbent 13 is sandwiched between the core materials 32, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the puncture resistance is improved and the vacuum packaging due to the unevenness of the adsorbent 13 is achieved. It is possible to obtain the effect of preventing the occurrence of pinholes in the outer jacket material 14 at this time.

(Embodiment 4) Next, Embodiment 4 of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 7 is a sectional view of a vacuum heat insulating material according to a fourth embodiment of the present invention, and FIG. 8 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

As shown in FIGS. 7 and 8, the vacuum heat insulating material 41 of this embodiment has a substantially plate-shaped core member 42 having two upper and lower surfaces facing each other, and is embedded in the core member 42. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 42 is formed from the end surface of the core material 42 so that the core material 42 can be divided into right and left halfway.
A vertical cut 45 provided at a predetermined interval from the corner of the core 42 toward the approximate center of the core, and a corner on the end face of the core 42 where the vertical cut 45 and the vertical cut 45 are provided. From the end face where the vertical cut 45 is provided so that the core member 42 can be divided into upper and lower parts with respect to a portion located between the other end faces adjacent to each other in the direction of the substantial center of the core member 42. The adsorbent 13 is disposed in the lateral cut 47 that serves as an adsorbent holding portion.

The vertical cut 45 is bent at a substantially right angle on the way so as to approach another end face which is adjacent to the end face provided with the vertical cut 45 with a corner portion therebetween.

The difference between the vacuum heat insulating material 41 of the present embodiment and the vacuum heat insulating material 31 of the third embodiment is that the vertical cut 35 of the core material 32 of the vacuum heat insulating material 31 of the third embodiment is linear. On the other hand, the core material 42 of the vacuum heat insulating material 41 of the present embodiment is
The vertical cut 45 is only a point that the tip is bent at a substantially right angle on the way so as to approach another end face adjacent to the end face where the vertical cut 45 is provided with a corner portion interposed therebetween, and other configurations are Is the same.

The manufacturing method and operation of the vacuum heat insulating material 41 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 41, first, the core material 42 is provided with vertical cuts 45 at predetermined intervals from the corners of the core material 42.

At this time, a vertical cut 45 with respect to the core material 42
A water jet, a cutter, or the like is used for manufacturing.

Next, using a flat jig or the like, the core material 42
A horizontal cut (adsorbent holding portion) 47 is provided in a portion located between the vertical cut 45 and the end face provided with the vertical cut 45 and another end face adjacent to each other with a corner portion interposed therebetween.

Here, since the vertical cut 45 is provided halfway from the end surface of the core material 42 toward the substantial center direction of the core material 42 so that the core material 42 can be divided into the left and right parts in the middle, the suction is attracted. Horizontal cut 47 for placing agent 13
The vertical cut 45 and the vertical cut 45 in the core material 42.
When provided for the core member 42 portion located between the end face provided with the corner portion and another end face adjacent to the other end face, a horizontal cut 47 is provided with a vertical cut 45 and a vertical cut 45. It is possible to prevent the adsorbent installation portion 47 from being spread to the left and right with respect to another end surface that is adjacent to the end surface that is formed with a corner portion interposed therebetween, and the adsorbent installation portion 47 can be easily manufactured.

Further, since the vertical cut 45 is required only at one place, the time required to form the vertical cut 45 in the core material 42 can be significantly reduced, and the vertical cut 45 in the core material 42 can be reduced.
It is possible to suppress a decrease in the rigidity of the core member 42 due to the provision of the.

Further, since the tip of the vertical cut 45 is bent at a substantially right angle in the middle so as to approach another end face adjacent to the end face where the vertical cut 45 is provided, with a corner portion therebetween, the vertical cut 45 is formed. 45 and the lateral cut 47 can be suppressed from spreading to the back side, and the adsorbent installation portion 47 can be easily manufactured.

Further, since the adsorbent 13 is sandwiched between the core materials 42, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the puncture resistance is improved and the vacuum packaging due to the unevenness of the adsorbent 13 is achieved. It is possible to obtain the effect of preventing the occurrence of pinholes in the outer jacket material 14 at this time.

(Fifth Embodiment) Next, a fifth embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 9 is a sectional view of a vacuum heat insulating material according to a fifth embodiment of the present invention, and FIG. 10 is a top view of a core material for a vacuum heat insulating material of the same embodiment.

As shown in FIG. 9 and FIG. 10, the vacuum heat insulating material 51 of the present embodiment is embedded in the core material 52, and a substantially plate-shaped core material 52 having two upper and lower surfaces which face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 52 is L-shaped when viewed from the upper surface side or the lower surface side, and is sandwiched between an L-shaped cut 55 penetrating between the upper surface and the lower surface and an L-shaped cut 55 in the core material 52. The L-shaped cut 55 has a horizontal cut 57 extending inward from the corner of the L-shaped cut 55 so that the core material 52 can be divided vertically. It is arranged in a horizontal cut 57.

The difference between the vacuum heat insulating material 51 of the present embodiment and the vacuum heat insulating material 11 of the first embodiment is that the core material 12 of the vacuum heat insulating material 11 of the first embodiment is linear and While the two vertical cuts 15 are provided at substantially the center of the end face, the core material 52 of the vacuum heat insulating material 51 of the present embodiment is
When viewed from the upper surface side or the lower surface side, the L-shaped cut 55 penetrating between the upper surface and the lower surface is provided, and the core material 12 of the vacuum heat insulating material 11 of the first embodiment is , The horizontal cut 17 serving as the adsorbent holding portion
The core material 52 of the vacuum heat insulating material 51 of the present embodiment serves as an adsorbent holding portion, whereas the core material 52 is provided in a portion located between the vertical cut 15 and the second vertical cut 16. The only difference is that the horizontal cut 57 is provided in the portion of the core 52 sandwiched by the L-shaped cuts 55, and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 51 having the above-described structure will be described below.

In the process of manufacturing the vacuum heat insulating material 51, first, the L-shaped cut 55 is provided in the core material 52.

At this time, the L-shaped cut 55 with respect to the core material 52
A water jet, a cutter, or the like is used for manufacturing.

Next, using a flat jig or the like, the core material 52 is
A horizontal cut (adsorbent holding portion) 57 is provided for a portion sandwiched between the L-shaped cuts 55 in FIG.

Here, the L-shaped cut 55 has an L shape when viewed from the upper surface side or the lower surface side of the core material 52.
2 penetrates between the upper surface and the lower surface of the adsorbent 1
Since the horizontal cut 57 for arranging 3 is provided for the core material 52 portion sandwiched by the L-shaped cuts 55 in the core material 52, the adsorbent installation portion 57 should be limited to the end portion of the core material 52. Instead, it can be provided in the central portion of the core material 52.

Further, since the adsorbent 13 is sandwiched between the core materials 52, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the puncture resistance is improved, and the vacuum packaging due to the unevenness of the adsorbent 13 is achieved. The effect that it is possible to prevent the occurrence of pinholes in the outer covering material 14 at this time is obtained.

(Sixth Embodiment) Next, a sixth embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 11 is a sectional view of a vacuum heat insulating material according to a sixth embodiment of the present invention, and FIG. 12 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

As shown in FIG. 11 and FIG. 12, the vacuum heat insulating material 61 of the present embodiment is embedded in the core material 62 and a substantially plate-shaped core material 62 which constitutes two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 62 has a U shape when viewed from the upper surface side or the lower surface side, and a U-shaped cut 65 penetrating between the upper surface and the lower surface, and a U-shaped cut 65 in the core material 62.
And a horizontal cut 67 that is provided from the end of the side that is the free end of the U-shaped cut 65 toward the back so that the core material 62 can be divided into upper and lower parts with respect to the portion sandwiched between The adsorbent 13 is arranged in a lateral cut 67 that serves as an adsorbent holding portion.

The difference between the vacuum heat insulating material 61 of the present embodiment and the vacuum heat insulating material 51 of the fifth embodiment is that the core material 52 of the vacuum heat insulating material 51 of the fifth embodiment is on the upper surface side of the core material 52 or While the L-shaped cut 55 having an L shape is provided when viewed from the lower surface side, the core material 62 of the vacuum heat insulating material 61 of the present embodiment is provided.
Is provided with a U-shaped cut 65 having a U shape when viewed from the upper surface side or the lower surface side, and the core material 52 of the vacuum heat insulating material 51 of the fifth embodiment serves as an adsorbent holding portion. Break 5
7 is provided in the portion of the core material 52 sandwiched by the L-shaped cuts 55, the vacuum heat insulating material 61 of the present embodiment is provided.
The core material 62 is only that the horizontal cut 67 serving as the adsorbent holding portion is provided in the portion sandwiched by the U-shaped cuts 65 of the core material 62, and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 61 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 61, first, the U-shaped cut 65 is provided in the core material 62.

At this time, the U-shaped cut 6 with respect to the core material 62
A water jet, a cutter, or the like is used for manufacturing 5.

Next, using a flat jig or the like, the core material 62 is
A horizontal cut (adsorbent holding portion) 67 is provided for the portion sandwiched by the U-shaped cut 65 in FIG.

Here, the U-shaped cut 65 has a U shape when viewed from the upper surface side or the lower surface side of the core material 62, and penetrates between the upper surface and the lower surface of the core material 62. Since the lateral cut 67 for disposing the adsorbent 13 is provided for the portion of the core material 62 sandwiched by the U-shaped discontinuity 65 in the core material 62, the lateral cut 67 for disposing the adsorbent 13 is the core. When provided on the core material 62 portion sandwiched between the U-shaped cuts 65 of the material 62, it is possible to prevent the lateral cuts 67 from spreading to the left and right of the core material 62 portion sandwiched between the U-shaped cuts 65, and thus the suction The agent installation portion can be easily manufactured, and the adsorbent installation portion 67 is not limited to the end portion of the core material 62 and can be provided in the central portion of the core material 62.

Furthermore, since the adsorbent 13 is sandwiched between the core materials 62, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the puncture resistance is improved and the vacuum packaging due to the unevenness of the adsorbent 13 is achieved. The effect that it is possible to prevent the occurrence of pinholes in the outer covering material 14 at this time is obtained.

(Embodiment 7) Next, Embodiment 7 of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 13 is a sectional view of a vacuum heat insulating material according to a seventh embodiment of the present invention, and FIG. 14 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

As shown in FIGS. 13 and 14, the vacuum heat insulating material 71 of the present embodiment is embedded in the core material 72 and a substantially plate-shaped core material 72 which constitutes two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 72 is formed from the end surface of the core material 72 to the core material 72.
A first vertical cut 75 provided along a plane substantially perpendicular to the two planes halfway toward the substantially central direction of the core and halfway from one of the two planes to the other, and from the end surface of the core material 72 to the core material. A second vertical portion provided at a predetermined interval from the first vertical cut 75 along a plane substantially perpendicular to the two planes halfway toward the substantially central direction of 72 and halfway from one of the two planes to the other. Of the core material 72 so that the core material 72 can be divided into upper and lower parts with respect to the portion of the core material 72 located between the first vertical cut 75 and the second vertical cut 76. From the end face of the core material 72 to the middle thereof, and a horizontal cut 77 provided halfway,
The adsorbent 13 is arranged in a lateral cut 77 that serves as an adsorbent holding portion.

The difference between the vacuum heat insulating material 71 of the present embodiment and the vacuum heat insulating material 11 of the first embodiment is that the first and second vertical cuts 15 and 16 of the core material 12 in the first embodiment are different. ,
While penetrating between the upper surface and the lower surface, the first and second vertical cuts 75 and 76 of the core material 72 of the vacuum heat insulating material 71 of the present embodiment are located between the upper surface and the lower surface. It does not pass through, and only stops midway from the upper surface to the lower surface, and other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 71 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 71, first, the core material 72 is provided with first and second vertical cuts 75 and 76 at predetermined intervals.

At this time, a cutter or the like is used to manufacture the first and second vertical cuts 75 and 76 for the core material 72.

Next, using a flat jig or the like, the core material 72 is
First vertical break 75 and second vertical break 76 in
A lateral cut (adsorbent holding portion) 77 is provided for a portion located between the and.

Here, the first and second vertical cuts 75, 7
6 is a plane substantially perpendicular to the two planes from the end surface of the core material 72 toward the middle of the core material 72 and halfway from one of the two planes of the upper and lower surfaces of the core material 72 to the other. Since it is provided along the predetermined interval, the horizontal cut 77 for disposing the adsorbent 13 is provided for the core material 72 portion located between the first vertical cut 75 and the second vertical cut 76. , The horizontal cut 77 can be prevented from spreading to the left and right more than between the first vertical cut 75 and the second vertical cut 76, and the adsorbent installation portion 77 can be easily manufactured. You can

Also, the first and second vertical cuts 75, 76.
Does not penetrate between the upper surface and the lower surface of the core material 72, so that the strength of the core material 72 can be secured accordingly, and the rigidity of the manufactured vacuum heat insulating material 71 can be strongly maintained. Furthermore, the adsorbent 13
Since it is sandwiched between the core members 72, the adsorbent 13 and the outer cover member 1
4 does not come into direct contact with each other, the puncture resistance is improved, and the outer covering material 14 during vacuum packaging due to the unevenness of the adsorbent 13
The effect of preventing the occurrence of pinholes can be obtained.

(Embodiment 8) Next, an embodiment 8 of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 15 is a sectional view of a vacuum heat insulating material according to the eighth embodiment of the present invention, and FIG. 16 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

As shown in FIGS. 15 and 16, the vacuum heat insulating material 81 of the present embodiment is embedded in the core material 82 and a substantially plate-shaped core material 82 which constitutes two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 82 has a rectangular (rectangular) shape when viewed from the upper surface side or the lower surface side, and is surrounded by a rectangular cut 85 penetrating between the upper surface and the lower surface and a rectangular cut 85 in the core material 82. The horizontal cut 87 is provided so that the core material 82 can be divided into upper and lower parts with respect to the opened portion, and the adsorbent 13 has a horizontal cut 87 serving as an adsorbent holding portion.
It is located inside.

The difference between the vacuum heat insulating material 81 of the present embodiment and the vacuum heat insulating material 61 of the sixth embodiment is that the core material 62 of the vacuum heat insulating material 61 of the sixth embodiment is on the upper surface side of the core material 62 or While a U-shaped cut 65 having a U shape when provided from the lower surface side is provided, the core material 82 of the vacuum heat insulating material 81 of the present embodiment has a rectangular shape when viewed from the upper surface side or the lower surface side. And the core material 62 of the vacuum heat insulating material 61 according to the sixth embodiment is such that a lateral cut 67 serving as an adsorbent holding portion is sandwiched between the U-shaped cuts 65 of the core material 62. In contrast to this, the core material 82 of the vacuum heat insulating material 81 according to the present embodiment is provided with the horizontal cut 8 which serves as an adsorbent holding portion.
7 is provided only in a portion of the core material 82 surrounded by the square cuts 85 (a portion that can be separated by the square cuts 85), and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 81 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 81, first, the square cut 85 is provided in the core material 82.

At this time, the rectangular cut 8 with respect to the core material 82
A water jet, a cutter, or the like is used for manufacturing 5.

Next, a rectangular cut 85 in the core material 82
The part surrounded by the square is removed from the core material 82, and a horizontal cut 87 is formed in the part surrounded by the removed square cut 85.
Is provided and divided in the thickness direction (up and down) to form an adsorbent holding portion.

Here, since the rectangular cut 85 penetrates between the upper surface and the lower surface of the core material 82, the portion surrounded by the rectangular cut 85 can be separated from the core material 82, and therefore the adsorbent 13 is arranged. In the state in which the cut 87 on the side of the core material 82 is separated from the core material 82 in the portion surrounded by the square cut 85 in the core material 82,
It can be easily provided, the lateral cut 87 can be prevented from spreading outside the portion surrounded by the rectangular cut 85, and the portion surrounded by the rectangular cut 85 after the adsorbent 13 is arranged on the lateral cut 87. Since it can be returned to the core material 82, the adsorbent installation portion 87 can be manufactured extremely easily.

Further, the adsorbent installation portion 87 is not limited to the end portion of the core material 82 and can be provided in the central portion of the core material 82. Further, since the adsorbent 13 is sandwiched between the core materials 82, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the piercing property is improved, and the unevenness of the adsorbent 13 causes the jacket during vacuum packaging. Generation of pinholes in the material 14 can be prevented.

(Ninth Embodiment) Next, a ninth embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 17 is a sectional view of the vacuum heat insulating material according to the ninth embodiment of the present invention, and FIG. 18 is a top view of the vacuum heat insulating material of the same embodiment before separation of the core material.

As shown in FIGS. 17 and 18, the vacuum heat insulating material 91 of the present embodiment is embedded in the core material 92 and a substantially plate-shaped core material 92 which constitutes two flat surfaces with the upper surface and the lower surface facing each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 92 has a quadrangular (rectangular) shape when viewed from the upper surface side or the lower surface side, and is surrounded by a quadrangular cut 95 penetrating between the upper surface and the lower surface and a quadrangular cut 95 in the core material 92. A horizontal cut 97 provided so that the core material 92 can be divided into an upper part and a lower part, and the adsorbent 13 has a horizontal cut 97 serving as an adsorbent holding portion.
It is located inside.

Note that one side of the quadrangular cut 95 has a cut surface obtained by breaking the broken cut 95a.

The difference between the vacuum heat insulating material 91 of the present embodiment and the vacuum heat insulating material 81 of the eighth embodiment is that the square cut 85 of the core material 82 of the vacuum heat insulating material 81 of the eighth embodiment has all four sides. Is formed by a linear cut, the square cut 95 of the core material 92 of the vacuum heat insulating material 91 of the present embodiment.
Is a linear cut 95b on three sides and a broken cut 95a on the remaining one side, and a broken line is formed when a horizontal cut 97 serving as an adsorbent holding portion is formed in a portion surrounded by the square cut 95. The only difference is that the portion surrounded by the quadrangular cut 95 is separated from the core material 92 by breaking the notch 95a, and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 91 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 91, first, the core material 92 is provided with a square cut 95 having three linear cuts 95b and one remaining broken line 95a.

At this time, the square cut 9 with respect to the core material 92
A water jet, a cutter, or the like is used for manufacturing 5.

Next, the broken line-shaped notch 95a is torn off to remove the portion of the core material 92 surrounded by the square cut 95 from the core material 92, and a portion of the core 92 surrounded by the removed square cut 95 has a horizontal cut. 97 is provided and divided in the thickness direction (up and down) to form an adsorbent holding portion.

Here, since the square cut 95 penetrates between the upper surface and the lower surface of the core material 92, the portion surrounded by the square cut 95 can be separated from the core material 92, so that the adsorbent 13 is arranged. In the state surrounded by the square cut 95 in the core material 92 and the portion surrounded by the square cut 95 separated from the core material 92,
It can be easily provided, and the lateral cut 97 can be prevented from spreading outside the portion surrounded by the square cut 95, and the portion surrounded by the square cut 95 after the adsorbent 13 is placed on the horizontal cut 97. Since it can be returned to the core material 92, the adsorbent installation portion 97 can be manufactured very easily.

Further, since at least one side is cut into a broken line-shaped cut 95a when the core material 92 is provided with the quadrangular cut 95, a horizontal cut 97 serving as an adsorbent installation portion is formed in a portion surrounded by the quadrangular cut 95. Until it is provided, the portion surrounded by the square cut 95 is prevented from falling off the core material 92, and when the horizontal cut 97 serving as the adsorbent installation portion is provided in the portion surrounded by the square cut 95, the broken line-shaped cut 9
It becomes possible to separate the portion surrounded by the quadrangular cuts 95 from the core material 92 by tearing off the 5a.
Adjacent to the part surrounded by 5 is the adsorbent installation side cut 97
It is possible to prevent the portion surrounded by the quadrangular cuts 95 from dropping off before the provision of the.

Further, the adsorbent installation portion 97 is not limited to the end portion of the core material 92 and can be provided in the central portion of the core material 92. Further, since the adsorbent 13 is sandwiched between the core members 92, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the piercing property is improved, and the unevenness of the adsorbent 13 causes the jacket during vacuum packaging. Generation of pinholes in the material 14 can be prevented.

(Embodiment 10) Next, Embodiment 10 of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 19 is a sectional view of the vacuum heat insulating material according to the tenth embodiment of the present invention, which is adhered to an object to be heat insulated, and FIG. 20 is a top view of the core material for the vacuum heat insulating material according to the same embodiment.

As shown in FIGS. 19 and 20, the vacuum heat insulating material 101 of the present embodiment is a substantially plate-shaped core material 102 having two upper and lower surfaces facing each other, and is embedded in the core material 102. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core member 102 has a first vertical cut 105 provided halfway from the end surface of the core member 102 toward the approximate center direction of the core member 102 so that the core member 102 can be divided into left and right parts. In order to divide the core material 102 into right and left halfway, the first vertical cut 105 is provided at a predetermined interval from the end surface of the core material 102 toward the approximately center direction of the core material 102. 2 vertical cuts 106 and the first vertical cut 10 in the core 102
5 from the end face of the core material 102 to the middle of the core material 102 so that the core material 102 can be divided into upper and lower parts with respect to a portion located between the second vertical cut 106. It has a horizontal cut 107 provided.
The horizontal cut 107 constitutes an adsorbent holding portion, and the adsorbent 13
Are located in the lateral cuts 107.

The horizontal cut 107 is either the upper surface or the lower surface, which is the surface to be bonded to the object 100 to be insulated (see FIG. 1).
9 is formed so that the thickness between the bottom face) and the lateral cut 107 is thicker than the thickness between the face (upper face in FIG. 19) on the anti-adhesion side and the lateral cut 107.

The difference between the vacuum heat insulating material 101 of the present embodiment and the vacuum heat insulating material 11 of the first embodiment is that the lateral cut 17 of the core material 12 in the first embodiment is the first cut in the core material 12. While the core material 12 is divided into upper and lower parts having a uniform thickness with respect to the portion located between the vertical cuts 15 and the second vertical cuts 16, the width of the core material 102 in the present embodiment is the same. The cut 107 of the core material 102 is thicker on the upper and lower sides of the core material 102 with respect to the portion located between the first vertical cut 105 and the second vertical cut 106 in the core material 102. Only the points that are unevenly divided like
Other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 101 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 101, first, the first and second vertical cuts 105,
106 are provided at predetermined intervals.

At this time, a water jet, a cutter, or the like is used to manufacture the first and second vertical cuts 105 and 106 for the core material 102.

Next, using a flat jig or the like, the core material 10
The horizontal cut (adsorbent holding portion) 107 is made thicker on the side of the adhesive between the second heat cut 100 and the second vertical cut 106 in FIG. Set up.

Here, the first and second vertical cuts 105,
The adsorbent 13 is arranged because the cores 106 are provided at predetermined intervals from the end surface of the core material 102 toward the substantial center direction of the core material 102 so that the core material 102 can be divided into right and left parts. When a horizontal cut 107 is provided for the portion of the core material 102 located between the first vertical cut 105 and the second vertical cut 106, the horizontal cut 107 has the first vertical cut 105. It is possible to prevent the adsorbent from spreading to the left and right rather than between the cut 105 and the second vertical cut 106, and the adsorbent installation portion 107 can be easily manufactured.

The horizontal cut 107 is the upper surface or the lower surface of the core material 102, which is the surface on the side to be adhered to the object to be insulated 100 and the side cut 107 is on the side opposite to the side to be adhered. Since the vacuum heat insulating material 101 is provided so as to be thicker than the thickness between the horizontal cut 107, the vacuum heat insulating material 101 is
The side that contacts 0 is less likely to be deformed due to the influence of the adsorbent 13 installed, so that the factor that hinders the adhesion to the object to be insulated 100 can be eliminated.

Further, since the adsorbent 13 is sandwiched between the core materials 102, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the puncture resistance is improved, and during vacuum packaging due to the unevenness of the adsorbent 13. The effect that can prevent the occurrence of pinholes in the outer covering material 14 is obtained.

(Eleventh Embodiment) Next, an eleventh embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 21 is a sectional view of the vacuum heat insulating material according to the eleventh embodiment of the present invention, and FIG. 22 is a top view of the core material for the vacuum heat insulating material of the same embodiment.

As shown in FIGS. 21 and 22, the vacuum heat insulating material 111 according to the present embodiment is embedded in the core material 112 and a substantially plate-shaped core material 112 which constitutes two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 112 is provided with a first vertical cut 115 provided halfway from the end surface of the core material 112 toward the approximate center direction of the core material 112 so that the core material 112 can be divided into left and right parts. The first vertical cut 115 is provided at a predetermined interval from the end surface of the core 112 toward the approximate center of the core 112 so that the core 112 can be divided into right and left parts. 2 vertical cuts 116 and the first vertical cut 11 in the core 112
5 from the end surface of the core 112 toward the middle of the core 112 so that the core 112 can be divided into upper and lower parts with respect to a portion located between the fifth vertical cut 116 and the second vertical cut 116. The first lateral cut 117 provided and the core material 1
The end portion of the core material 112 is divided from the end surface of the core material 112 so that the core material 112 can be vertically divided with respect to a portion located between the first vertical cut 115 and the second vertical cut 116. A second horizontal cut 118, which is provided at a predetermined distance from the first horizontal cut 117 halfway toward the approximate center direction, and the first and second vertical cuts 115 and 116 in the core 112. , Second lateral break 11
Recess 11 formed by removing the portion surrounded by 7,118
9 and 9. The recessed portion 119 constitutes an adsorbent holding portion, and the adsorbent 13 is arranged in the recessed portion 119.

The difference between the vacuum heat insulating material 111 of the present embodiment and the vacuum heat insulating material 11 of the first embodiment is that the core material holding portion of the core material 12 of the first embodiment is constituted by the lateral cuts 17. On the other hand, the core material 1 according to the present embodiment
The only difference is that the twelve core material holding portions are formed by the recesses 119, and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 111 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 111, first, the first and second vertical cuts 115,
116 are provided at predetermined intervals.

At this time, a water jet, a cutter or the like is used to manufacture the first and second vertical cuts 115 and 116 for the core material 112.

Then, using a flat jig or the like, the core material 11
The first and second horizontal cuts 117 and 118 are provided at a predetermined interval with respect to a portion located between the first vertical cut 115 and the second vertical cut 116 in 2.
First and second vertical cuts 115, 1 in the core 112
16 and the recessed portion 119 which becomes the adsorbent holding portion by removing the portion surrounded by the first and second lateral cuts 117 and 118.
To make.

Here, the first and second vertical cuts 115,
Since the cores 116 are provided with a predetermined space from the end surface of the core 112 toward the approximate center of the core 112 so that the core 112 can be divided into right and left halfway, the adsorbent 13 is arranged. When the recessed portion 119 is provided for the portion of the core material 112 located between the first vertical cut 115 and the second vertical cut 116, the recessed portion 119 is formed.
Can be prevented from spreading further to the left and right than between the first vertical cut 115 and the second vertical cut 116.
9 can be easily manufactured.

Further, by providing the concave portion 119 corresponding to the size of the adsorbent 13 in the portion sandwiched by the first and second lateral cuts 117 and 118 in the vacuum heat insulating material 111,
The bulging of the core material 112 due to the installation of the adsorbent 13 can be suppressed, and the vacuum heat insulating material 111 is less likely to be deformed by the effect of the installation of the adsorbent 13, so that the factor that hinders the adhesion to the heat-insulated object 100 can be eliminated.

Further, since the adsorbent 13 is sandwiched between the core materials 112, the adsorbent 13 and the jacket material 14 do not come into direct contact with each other, so that the piercing property is improved, and during the vacuum packaging due to the unevenness of the adsorbent 13. The effect that can prevent the occurrence of pinholes in the outer covering material 14 is obtained.

(Embodiment 12) Embodiment 12 of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 23 is a sectional view of a vacuum heat insulating material according to a twelfth embodiment of the present invention, which is adhered to a heat insulating material, and FIG. 24 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

As shown in FIG. 23 and FIG. 24, the vacuum heat insulating material 121 of the present embodiment is embedded in the core material 122, and a substantially plate-like core material 122 having two flat surfaces whose upper and lower surfaces face each other. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core material 122 has a first vertical cut 125 provided halfway from the end surface of the core material 122 toward the substantial center direction of the core material 122 so that the core material 122 can be divided into right and left halfway. The first vertical cut 125 is provided at a predetermined interval from the end surface of the core material 122 toward the center of the core material 122 so that the core material 122 can be divided into left and right parts. Two vertical cuts 126 and the first vertical cut 12 in the core 122
5 from the end face of the core material 122 to the middle of the core material 122 so that the core material 122 can be divided into upper and lower parts with respect to a portion located between the second vertical cut 126. First lateral cut 127 provided and core 1
In order to divide the core material 122 into upper and lower parts with respect to a portion located between the first vertical cut 125 and the second vertical cut 126 in 22, the core material 122 is separated from the end surface of the core material 122. A second horizontal cut 128 provided at a predetermined interval from the first horizontal cut 127 halfway toward the substantially central direction, and first and second vertical cuts 125 and 126 in the core material 122. , Second lateral break 12
Recess 12 formed by removing the portion surrounded by 7,128
9 and 9. The concave portion 129 constitutes an adsorbent holding portion, and the adsorbent 13 is arranged in the concave portion 129.

The concave portion 129 is either the upper surface or the lower surface (the lower surface in FIG. 23) to be the side to be adhered to the object 100 to be insulated and the concave portion 129 (or the second lateral cut 128).
It is provided so that the thickness between the concave portion 129 (or the first lateral cut 127) and the surface (the upper surface in FIG. 23) on the anti-adhesion side is thicker.

The difference between the vacuum heat insulating material 121 of the present embodiment and the vacuum heat insulating material 111 of the eleventh embodiment is that the recess 119 of the core material 112 in the eleventh embodiment has a first vertical direction in the core material 112. Break 115 and second vertical break 11
While the core material 112 is vertically divided into equal thicknesses with respect to the portion located between the core material 122 and the inner surface of the core material 122, the concave portion 129 of the core material 122 according to the present embodiment has the first vertical portion of the core material 122. The core material 122 is vertically arranged with respect to the portion located between the cut 125 and the second vertical cut 126.
It is only the point that it is unevenly divided so that the adhesive side with and becomes thicker, and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 121 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 121, first, the first and second vertical cuts 125,
126 are provided at predetermined intervals.

At this time, a water jet, a cutter or the like is used for producing the first and second vertical cuts 125 and 126 for the core material 122.

Next, using a flat jig or the like, the core material 12
The first and second horizontal cuts 127 and 128 are provided at a predetermined interval with respect to a portion located between the first vertical cut 125 and the second vertical cut 126 in 2.
First and second vertical cuts 125, 1 in the core material 122
26 and a concave portion 129 that serves as an adsorbent holding portion by removing a portion surrounded by the first and second lateral cuts 127 and 128.
To make.

Here, the first and second vertical cuts 125,
The adsorbent 13 is disposed because the 126 is provided at a predetermined interval from the end face of the core material 122 toward the approximate center direction of the core material 122 so that the core material 122 can be divided into left and right parts. When the concave portion 129 is provided for the portion of the core material 122 located between the first vertical cut 125 and the second vertical cut 126, the concave portion 129 is formed.
Can be prevented from spreading to the left and right more than between the first vertical cut 125 and the second vertical cut 126.
9 can be easily manufactured.

Further, by providing the concave portion 129 corresponding to the size of the adsorbent 13 in the portion sandwiched by the first and second lateral cuts 127 and 128 in the vacuum heat insulating material 121,
The bulging of the core material 122 due to the installation of the adsorbent 13 can be suppressed, and the vacuum heat insulating material 121 is less likely to be deformed due to the effect of the installation of the adsorbent 13, so that the factor that hinders the adhesion to the heat insulating object 100 can be eliminated.

In addition, the concave portion 129 is formed by either the upper surface or the lower surface of the core material 122, which is the surface on the side to be adhered to the object to be insulated 100, and the concave surface 129, and the surface on which the thickness is on the anti-adhesive side. Since the vacuum heat insulating material 121 is provided so as to be thicker than the space between the vacuum heat insulating material 121 and the heat insulating object 100, the side of the vacuum heat insulating material 121 that is in contact with the heat insulating material 100 is less likely to be deformed due to the influence of the adsorbent 13.
It is possible to eliminate a factor that hinders adhesion to the object to be insulated 100.

Further, since the adsorbent 13 is sandwiched between the core materials 122, the adsorbent 13 and the outer covering material 14 do not come into direct contact with each other, so that the puncture resistance is improved, and during the vacuum packaging due to the unevenness of the adsorbent 13. The effect that can prevent the occurrence of pinholes in the outer covering material 14 is obtained.

(Thirteenth Embodiment) Next, a thirteenth embodiment of the vacuum heat insulating material according to the present invention will be described with reference to the drawings. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted.

FIG. 25 is a sectional view of the vacuum heat insulating material according to the thirteenth embodiment of the present invention, and FIG. 26 is a top view of the core material for the vacuum heat insulating material according to the thirteenth embodiment.

As shown in FIGS. 25 and 26, the vacuum heat insulating material 131 of the present embodiment is a substantially plate-shaped core member 132 having two upper and lower surfaces facing each other, and is embedded in the core member 132. The adsorbent 13 to be formed is wrapped with a covering material 14.

The core member 132 has a first vertical cut 135 provided halfway from the end surface of the core member 132 toward the substantial center of the core member 132 so that the core member 132 can be divided into left and right parts. The first vertical cut 135 is provided at a predetermined interval from the end surface of the core material 132 toward the center of the core material 132 so that the core material 132 can be divided into left and right parts. Two vertical cuts 136 and the first vertical cut 13 in the core 132
5 from the end face of the core material 132 to the middle part of the core material 132 so that the core material 132 can be divided into upper and lower parts with respect to a portion located between the fifth vertical cut 136 and the second vertical cut 136. A lateral cut 137 is provided.
The horizontal cut 137 constitutes an adsorbent holding portion, and the adsorbent 13
Are located in the lateral cuts 137.

A protective sheet insertion cut is provided between the horizontal cut 137 and the upper and lower surfaces of the vacuum heat insulating material 131, and the protective sheet 138 covers the adsorbent 13 from the upper surface side or the lower surface side at the protective sheet insertion cut. Are arranged.

The difference between the vacuum heat insulating material 131 of the present embodiment and the vacuum heat insulating material 11 of the first embodiment is that the vacuum heat insulating material 131 of the present embodiment has a horizontal cut 137 and an upper surface of the vacuum heat insulating material 131. The only difference is that a protective sheet insertion cut is provided between the lower surface and the lower surface, and a protective sheet 138 that covers the adsorbent 13 from the upper surface side or the lower surface side is arranged at the protective sheet insertion cut, and the other configurations are the same.

The manufacturing method and operation of the vacuum heat insulating material 131 having the above structure will be described below.

In the process of manufacturing the vacuum heat insulating material 131, first, the first and second vertical cuts 135,
136 are provided at predetermined intervals.

At this time, a water jet, a cutter or the like is used for producing the first and second vertical cuts 135, 136 with respect to the core material 132.

Next, using a flat jig or the like, the core material 13
2 is provided with a horizontal cut (adsorbent holding portion) 137 and a protective sheet insertion cut for the portion located between the first vertical cut 135 and the second vertical cut 136, and The protective sheet 138 is arranged in the lateral cut 137, and the protective sheet 138 is arranged in the protective sheet insertion cut.

Here, the first and second vertical cuts 135,
The adsorbents 136 are arranged because the cores 136 are provided at predetermined intervals from the end surface of the core material 132 toward the approximate center direction of the core material 132 so that the core material 132 can be divided into left and right parts in the middle. The horizontal cut 137 and the protective sheet insertion cut for the first vertical cut 135 and the second cut.
Of the core material 132 located between the vertical cut 136 and the vertical cut 136, the horizontal cut 137 and the protective sheet insertion cut are the first vertical cut 15 and the second vertical cut 16. It can be prevented from spreading to the left and right rather than the space, and the adsorbent installation section 17 and the protection sheet installation section can be easily manufactured.

Further, since the adsorbent 13 is sandwiched between the core materials 132, the protective sheet 138 is provided outside the core materials 132, and the core material 132 is provided outside the adsorbents 13. The core material 1 between the outer cover material 14 and the outer cover material 14.
32, the protective sheet 138, and the core material 132 are interposed,
The puncture resistance is significantly improved, and pinholes in the jacket material 14 during vacuum packaging due to the unevenness of the adsorbent 13 can be more reliably prevented.

[0190]

As described above, according to the invention of claim 1, the first and second vertical cuts and the horizontal cuts make it possible to easily form the adsorbent installation portion on the core material. Since the agent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, improving the puncture resistance and preventing pinholes in the jacket material during vacuum packaging due to the unevenness of the absorbent. be able to.

The invention described in claim 2 is the same as claim 1
In addition to the effects of the invention described, the first and second vertical cuts are bent at a substantially right angle in the middle so that the ends of the first and second cuts approach each other. It is possible to prevent the lateral cuts from spreading to the inner side than the bent front end portions of the first and second vertical cuts, and it is possible to easily manufacture the adsorbent installation portion.

Further, in the invention according to claim 3, since the adsorbent installation portion can be easily formed on the core material by the vertical cut and the horizontal cut, and the vertical cut can be made at one place. The time required to make the vertical cuts in the core material can be significantly reduced, and the reduction in the rigidity of the core material due to the vertical cuts in the core material can be suppressed. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Occurrence can be prevented.

Further, the invention described in claim 4 is the same as claim 3
In addition to the effects of the invention described, since the tip of the vertical cut is bent at a substantially right angle in the middle so as to approach another end face, it is possible to suppress the vertical cut and the horizontal cut from spreading to the back side, The agent installation part can be easily manufactured.

Further, in the invention described in claim 5, the adsorbent installation portion can be provided not only at the end portion of the core material but also at the central portion of the core material by the L-shaped cut and the horizontal cut. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Occurrence can be prevented.

Further, in the invention according to claim 6, the adsorbent installation portion can be provided not only at the end portion of the core material but also at the central portion of the core material by the U-shaped cut and the horizontal cut. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Occurrence can be prevented.

Further, in the invention according to claim 7, the first and second vertical cuts that constitute the adsorbent installation portion together with the horizontal cuts do not penetrate between the upper surface and the lower surface of the core member. Therefore, the strength of the core material can be secured, and thus the rigidity of the manufactured vacuum heat insulating material can be strongly maintained. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, which improves the puncture resistance and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Occurrence can be prevented.

In the invention described in claim 8, the adsorbent installation portion can be provided not only at the end portion of the core material but also at the central portion of the core material by the square cut and the horizontal cut. Furthermore, since the adsorbent is sandwiched between the core materials, the adsorbent and the jacket material do not come into direct contact with each other, improving the puncture resistance, and pinholes in the jacket material during vacuum packaging due to the unevenness of the adsorbent. Can be prevented.

Further, in the invention described in claim 9, at least one side is cut in a broken line shape when a quadrangular cut is provided in the core material, and an adsorbent installation portion is provided in a portion surrounded by the quadrangular cut. Make sure that the part surrounded by the square cut does not fall off from the core material until the horizontal cut is made, and when making the horizontal cut that becomes the adsorbent installation part in the part surrounded by the square cut, It becomes possible to separate the part surrounded by the quadrangular cut from the core material by cutting off the notch, and the part surrounded by the quadrangular cut will be surrounded by the quadrangular cut by the time when a horizontal cut to be the adsorbent installation part is made. It is possible to prevent the broken part from falling off.

The invention according to claim 10 is characterized in that the horizontal cut in the vacuum heat insulating material according to any one of claims 1 to 9 is formed on either the upper surface or the lower surface of the core material to be insulated. Since the thickness between the surface to be the adhesive side and the horizontal cut is thicker than the thickness between the surface to be the non-bonding side and the horizontal cut, the vacuum heat insulating material comes into contact with the object to be insulated. Since the side is less likely to be deformed due to the effect of the adsorbent installation,
It is possible to eliminate the factor that hinders the adhesion to the object to be insulated.

The invention according to claim 11 is characterized in that the vacuum heat insulating material according to any one of claims 1 to 10 is provided with a concave portion for accommodating an adsorbent in a lateral cut portion, thereby adsorbing the adsorbent. The bulging of the core material due to the agent installation can be suppressed, and the vacuum heat insulating material is less likely to be deformed due to the effect of the adsorbent installation, so that the factor that hinders the adhesion to the object to be insulated can be eliminated.

Further, in the invention described in claim 12, since the core material, the protective sheet, and the core material are interposed between the adsorbent and the covering material, the puncture resistance is greatly improved, and the unevenness of the adsorbent is achieved. It is possible to more reliably prevent the occurrence of pinholes in the outer covering material during vacuum packaging.

According to a thirteenth aspect of the present invention, the vacuum heat insulating material according to any one of the first to twelfth aspects is provided with a core material having flexibility and elasticity and provided with cuts and recesses. Inorganic fibers or foamed polyurethane can be used.

[Brief description of drawings]

FIG. 1 is a sectional view of a vacuum heat insulating material according to a first embodiment of the present invention.

FIG. 2 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 3 is a sectional view of a vacuum heat insulating material according to a second embodiment of the present invention.

FIG. 4 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 5 is a sectional view of a vacuum heat insulating material according to a third embodiment of the present invention.

FIG. 6 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 7 is a sectional view of a vacuum heat insulating material according to a fourth embodiment of the present invention.

FIG. 8 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 9 is a sectional view of a vacuum heat insulating material according to a fifth embodiment of the present invention.

FIG. 10 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 11 is a sectional view of a vacuum heat insulating material according to a sixth embodiment of the present invention.

FIG. 12 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 13 is a sectional view of a vacuum heat insulating material according to a seventh embodiment of the present invention.

FIG. 14 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 15 is a sectional view of a vacuum heat insulating material according to an eighth embodiment of the present invention.

FIG. 16 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 17 is a sectional view of a vacuum heat insulating material according to a ninth embodiment of the present invention.

FIG. 18 is a top view of the core material for a vacuum heat insulating material of the embodiment before separation.

FIG. 19 is a sectional view showing a state in which a vacuum heat insulating material according to Embodiment 10 of the present invention is bonded to an object to be heat insulated.

FIG. 20 is a top view of the core material for the vacuum heat insulating material of the embodiment.

FIG. 21 is a sectional view of a vacuum heat insulating material according to an eleventh embodiment of the present invention.

FIG. 22 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 23 is a cross-sectional view showing a state where a vacuum heat insulating material according to Embodiment 12 of the present invention is bonded to an object to be heat insulated.

FIG. 24 is a top view of the core material for the vacuum heat insulating material of the embodiment.

FIG. 25 is a sectional view of a vacuum heat insulating material according to a thirteenth embodiment of the present invention.

FIG. 26 is a top view of a core material for a vacuum heat insulating material according to the same embodiment.

FIG. 27 is a sectional view of a conventional vacuum heat insulating material.

[Explanation of symbols]

11, 21, 31, 41, 51, 61, 71, 81, 9
1 vacuum insulation 12,22,32,42,52,62,72,82,9
2 core material 13 adsorbent 14 jacket material 15, 25, 75, 85, 105, 115, 125
First vertical break 16,26,76,86,106,116,126
Second vertical break 17,27,37,47,57,67,77,87,9
7 Horizontal cuts 35, 45 Vertical cuts 55 L-shaped cuts 65 U-shaped cuts 85, 95 Square cuts 95a Broken line cuts 100 Insulated objects 101, 111, 121, 131 Vacuum insulation materials 102, 112, 122, 132 Cores Material 107, 137 Horizontal cuts 119, 129 Recess 135 First vertical cut 136 Second vertical cut 138 Protective sheet

Continuation of the front page (56) References JP 2001-165389 (JP, A) JP 63-113284 (JP, A) JP 63-113283 (JP, A) JP 11-281245 (JP, A) Japanese Unexamined Patent Publication No. 2002-48466 (JP, A) Japanese Unexamined Patent Publication No. 2001-295986 (JP, A) Japanese Unexamined Patent Publication No. 8-159373 (JP, A) Actually developed 62-88285 (JP, U) Actually developed 63-7788 (JP, U) Actual development Sho 63-145628 (JP, U) Actual development 1-11-2391 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F16L 59/00-59 / 22 F25D 23/02-23/08

Claims (13)

(57) [Claims] 1. A substantially plate-shaped core member having two flat surfaces whose upper and lower surfaces face each other, and an adsorbent embedded in the core member.
A vacuum heat insulating material wrapped with a jacket material, wherein the core member is halfway from the end surface of the core member toward a substantially central direction of the core member so that the core member can be divided into right and left halfway. Up to a first vertical cut, and the first vertical halfway from the end face of the core material toward the substantially central direction of the core material so that the core material can be divided into right and left halfway. A second vertical cut provided at a predetermined interval from the cut, and the core member above and below the portion of the core member located between the first vertical cut and the second vertical cut. And a horizontal cut provided halfway from the end face of the core material toward the substantially central direction of the core material so that the adsorbent is arranged in the horizontal cut surface. A vacuum heat insulating material characterized by being 2. The first vertical cut and the second vertical cut are bent at a substantially right angle in the middle so that the tips of the cuts are close to each other. The vacuum insulation material described. 3. A substantially plate-shaped core material having an upper surface and a lower surface forming two planes facing each other, and an adsorbent embedded in the core material.
A vacuum heat insulating material wrapped with a jacket material, wherein the core member is halfway from the end surface of the core member toward a substantially central direction of the core member so that the core member can be divided into right and left halfway. Up to a vertical cut provided at a predetermined interval from the corner portion of the core material, the vertical cut in the core material, and another adjacent to the end surface provided with the vertical cut with the corner portion interposed therebetween. A horizontal line that is provided halfway from the end face where the vertical cut is provided so that the core material can be divided into upper and lower parts with respect to the portion located between the end surface and the center direction of the core material. A vacuum heat insulating material having a cut, wherein the adsorbent is arranged in the horizontal cut. 4. The vacuum heat insulating material according to claim 3, wherein the tip of the vertical cut is bent at a substantially right angle so as to approach the other end surface. 5. A substantially plate-shaped core material having an upper surface and a lower surface forming two flat surfaces facing each other, and an adsorbent embedded in the core material.
A vacuum heat insulating material wrapped with a jacket material, wherein the core material is L when viewed from the upper surface side or the lower surface side.
The L-shaped cut having a letter shape and penetrating between the upper surface and the lower surface and the portion sandwiched by the L-shaped cut in the core can divide the core into upper and lower parts. As said L
A vacuum heat insulating material, characterized in that it has a horizontal cut provided from a corner portion of the shape cut toward the back, and the adsorbent is arranged in the horizontal cut. 6. A substantially plate-shaped core material having two flat surfaces whose upper and lower surfaces face each other, and an adsorbent embedded in the core material.
A vacuum heat insulating material wrapped with a jacket material, wherein the core material has a U shape when viewed from the upper surface side or the lower surface side and penetrates between the upper surface and the lower surface. From the end of the side that is the free end of the U-shaped cut toward the back so that the core can be divided into upper and lower parts with respect to the part sandwiched by the cut and the U-shaped cut in the core material. A vacuum heat insulating material, comprising: a horizontal cut provided, wherein the adsorbent is arranged in the horizontal cut. 7. A substantially plate-shaped core member having two flat surfaces whose upper and lower surfaces face each other, and an adsorbent embedded in the core member,
A vacuum heat insulating material wrapped with a jacket material, wherein the core member is halfway from an end face of the core member toward a substantially central direction of the core member and halfway from one of the two flat surfaces to the other. A first vertical cut provided along a plane substantially perpendicular to the two planes, halfway from the end face of the core material toward the substantially center direction of the core material, and halfway from one of the two plane surfaces to the other A second vertical cut provided at a predetermined interval from the first vertical cut along a plane substantially perpendicular to the two planes, and the first vertical cut and the second cut in the core material. A horizontal cut provided halfway from the end face of the core material toward the substantially central direction of the core material so that the core material can be divided into upper and lower parts with respect to a portion located between the vertical cut and And the adsorbent is disposed within the lateral cut. A vacuum heat insulating material characterized by being 8. A substantially plate-shaped core material having two planes whose upper and lower surfaces face each other, and an adsorbent embedded in the core material,
A vacuum heat insulating material wrapped with an outer covering material, wherein the core material has a rectangular shape when viewed from the upper surface side or the lower surface side, and a quadrangular cut penetrating between the upper surface and the lower surface, A lateral cut provided so that the core material can be divided into upper and lower parts with respect to a portion surrounded by the rectangular cut in the core material, and the adsorbent is arranged in the horizontal cut. It is a vacuum heat insulating material. 9. The vacuum heat insulating material according to claim 8, wherein at least one side of the quadrangular cut has a cut surface obtained by breaking a broken line-shaped cut. 10. The lateral cut includes a surface on either side of the upper surface or the lower surface, which is a side to be adhered to an object to be heat-insulated, and a surface between the side cut, which is an anti-adhesion side, and the horizontal cut. The vacuum heat insulating material according to any one of claims 1 to 9, wherein the vacuum heat insulating material is provided so as to be thicker than a thickness between the cut and the cut. 11. The vacuum heat insulating material according to claim 1, wherein a concave portion for accommodating the adsorbent is provided in the lateral cut portion. 12. A protective sheet insertion cut is provided between the lateral cut and at least one of the upper surface and the lower surface, and the adsorbent is provided on the protective sheet insertion cut on the upper surface side or the lower surface side. The vacuum heat insulating material according to any one of claims 1 to 11, wherein a protective sheet covering the above is arranged. 13. The vacuum heat insulating material according to claim 1, wherein the core material is made of inorganic fiber or polyurethane foam.