KR101277289B1 - Access floor panel and method for manufacturing the same - Google Patents

Abstract

An access floor panel that is prefabricated on an office floor, and a method of manufacturing the same. The access floor panel includes: i) finish panel, ii) top support panel in contact with the finish panel, iii) piping facing the top support panel on the opposite side of the finish panel with the top support panel in between, iv) piping and tubing in contact with the top support panel. A guide panel, v) a lower support panel covering the pipe guide panel, the lower support panel protruding toward the pipe guide panel and having a plurality of convexly arranged convex portions, and vi) an insulator filled between the pipe guide panel and the lower support panel. do. The width of at least one of the plurality of convex portions becomes smaller as it approaches the upper support panel, and the center of the convex portion abuts the pipe guide panel.

Description

ACCESS FLOOR PANEL AND METHOD FOR MANUFACTURING THE SAME}

The present invention relates to an access floor panel and a method of manufacturing the same. More specifically, the present invention relates to an access floor panel prefabricated on an office floor and a method of manufacturing the same.

The access floor is a raised floor system spaced at a certain height from the floor to enable centralized coordination of wires or communication lines and major equipment through flooring materials without installing separate piping or wire trays in computer rooms, machine rooms, semiconductor equipment rooms, and general offices. Of flooring. Through the access floor, it is possible to easily install and use wires required for office operations.

On the other hand, the air-conditioning member can be added to the access floor, and the building can be cooled and cooled. In this case, since the installation of the air conditioning facilities according to the heating and cooling in the building is reduced, it is possible to significantly reduce the building construction cost and at the same time to heat and heat the building more efficiently.

It is to provide an access floor panel that is easy to assemble and easy to install. It is also an object of the present invention to provide a method for manufacturing the access floor panel.

According to an embodiment of the present invention, an access floor panel includes: i) a finish panel, ii) an upper support panel in contact with the finish panel, iii) a tubing in contact with the upper support panel on the opposite side of the finish panel with the upper support panel in between, iv A) a pipe guide panel in contact with the pipe and the upper support panel; v) a lower support panel covering the pipe guide panel, the lower support panel comprising a plurality of convex parts projecting toward the pipe guide panel and arranged regularly; Insulation material filled between the support panels. The width of at least one of the plurality of convex portions becomes smaller as it approaches the upper support panel, and the center of the convex portion abuts the pipe guide panel.

The lower support panel includes: a) a plurality of convex portions formed therein, a lower support surface comprising a plurality of edge portions, and ii) a plurality of edges perpendicularly intersecting with the lower support surface and sharing the plurality of edge portions with the lower support surface. It may include aspects. Two or more filling holes may be formed between the plurality of convex portions adapted to insulate the insulating material into one of the plurality of side surfaces. The lower support panel may further include a pair of corner portions located at both ends of one of the plurality of edge portions. Both ends of the pipe may be exposed to the outside through the convex portion closest to each corner portion of the pair of corner portions of the plurality of convex portions, respectively.

The pipe may include i) a plurality of first pipe parts extending along the plurality of convex parts, spaced apart from each other, and ii) a plurality of second pipe parts interconnecting the plurality of first pipe parts. The plurality of first pipe portions may be positioned between the pipe guide panel and the upper support panel while in contact with the pipe guide panel. At the center of the convex portion the upper support panel, the pipe guide panel and the lower support panel can be welded together.

The pipe guide panel includes: i) a plurality of first pipe guide panel parts surrounding the pipe, spaced apart from each other, and having a round shape, and ii) a plurality of first guide panel parts interconnected to and contacting the upper support panel. The second pipe guide panel parts may be included. An area in which one of the plurality of first pipe guide panel parts contacts the outer surface of the pipe may be 50% to 70% of the area of the outer surface of the pipe.

According to an embodiment of the present invention, a method of manufacturing an access floor panel includes: i) providing an upper support panel, ii) providing piping in contact with the upper support panel, and iii) piping in contact with the piping and the upper support panel. Providing a panel, iv) providing a lower support panel covering a pipe guide panel, the lower support panel comprising a plurality of convex portions protruding and arranged regularly toward the upper support panel, v) the upper support panel, the pipe guide panel And spot welding the lower support panel to each other by spot welding at the center of each convex portion of the plurality of convex portions, vi) filling an insulating material between the pipe guide panel and the lower support panel, and vii) attaching the finishing panel to the upper support panel. Attaching.

In the step of providing the lower support panel, the lower support panel comprises: i) a lower support surface with a plurality of convex portions formed thereon, the plural lower support surface comprising a plurality of edge portions, and ii) one edge of one of the plurality of edge portions. It may comprise a pair of corner portions. A through hole penetrating the convex portion closest to each corner portion among the pair of corner portions among the plurality of convex portions may be formed. Therefore, the manufacturing method of the access floor panel according to an embodiment of the present invention may further include the step of drawing out one end of the pipe through the through-hole.

In the step of providing the lower support panel, the lower support panel may include a plurality of sides, and may form two or more filling holes adapted to insulate an insulating material into one of the plurality of sides. In the step of filling the insulating material between the pipe guide panel and the lower support panel, the insulating material may be injected through the filling hole of one of the two or more filling holes. In the step of providing a pipe guide panel in contact with the pipe and the upper support panel, the pipe guide panel comprises: i) a plurality of first pipe guide panel portions surrounding the pipe, spaced apart from each other, and having a round shape, and ii) a plurality of agents. It may include a plurality of second piping guide panel portions interconnecting the first guide panel portions and in contact with the upper support panel. An area of one of the plurality of first pipe guide panel parts that contacts the outer surface of the pipe may be 50% to 70% of the area of the outer surface of the pipe.

By using the access floor panel, it is possible to improve the comfort of the room by floor radiant heating and cooling, and to limit the role of the conventional air conditioning system to only provide ventilation and dehumidification functions. As a result, the floor height can be reduced by drastically reducing the capacity and size of the air conditioning system. And by applying the air-conditioning system to the access floor that is frequently applied in the office does not burden the office structurally lightweight or high-rise or high-rise compared to the conventional slab system. Furthermore, since the panel has a higher strength than the conventional lightweight panel system, damage to the panel due to heavy office furniture such as a desk, a bookshelf, a storage cabinet, and the like can be prevented.

1 is a schematic exploded perspective view of an access floor panel according to an embodiment of the present invention.
FIG. 2 is a schematic diagram illustrating a state of use of the access floor panel of FIG. 1.
3 is a schematic partial cross-sectional view of the access floor panel taken along the line III-III of FIG.
4 is a flowchart schematically illustrating a method of manufacturing the access floor panel of FIG. 1.
5 to 9 schematically illustrate respective steps of the manufacturing method of the access floor panel of FIG. 4.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein, the singular forms “a,” “an,” and “the” include plural forms as well, unless the phrases clearly indicate the opposite. As used herein, the term "comprising" embodies a particular characteristic, region, integer, step, operation, element, and / or component, and other specific characteristics, region, integer, step, operation, element, component, and / or group. It does not exclude the presence or addition of.

Unless defined otherwise, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. Commonly used predefined terms are further interpreted as having a meaning consistent with the relevant technical literature and the present disclosure, and are not to be construed as ideal or very formal meanings unless defined otherwise.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

1 is a schematic exploded perspective view of an access floor panel 100 according to an embodiment of the present invention. The structure of the access floor panel 100 of FIG. 1 is merely for illustrating the present invention, but the present invention is not limited thereto. Therefore, the structure of the access floor panel 100 can be variously modified in other forms.

As shown in FIG. 1, the access floor panel 100 includes a finishing panel 10, an upper support panel 20, a pipe 30, a pipe guide panel 40, a heat insulating material 50, and a lower support panel 60. ). In addition, the access floor panel 100 may further include other components as necessary.

The finishing panel 10 is a part where a foot of a person touches when installing the access floor panel 100 as a finishing material in a building. Therefore, the material of the finishing panel 10 may be used, such as wood, stone, carpet, or sheet material having a superior touch than metal. As a result, the finish panel 10 can give people a warm feeling.

The upper support panel 20 is located below the finishing panel 10. That is, the upper support panel 20 contacts the finishing panel 10 to support the finishing panel 10 and objects such as a person or furniture located thereon. In order to stably support the finish panel 10 and the object, the upper support panel 20 should have a constant strength. Therefore, the upper support panel 20 is made of steel or the like to improve heat transfer and durability of the access floor panel 100.

The tubing 30 is located below the upper support panel 20. That is, the pipe 30 is positioned in contact with the upper support panel 20 on the opposite side of the finish panel 10 with the upper support panel 20 interposed therebetween. By providing the pipe 30 to the access floor panel 100, heating or cooling is possible through the access floor panel 100. That is, by circulating cold water or hot water from the heat source through the pipe 30, the building in which the access floor panel 100 is installed can be cooled and heated. In order to prevent leakage such as hot water or cold water, the pipe 30 may be manufactured using copper or the like.

In a conventional office building, an air conditioning system that is responsible for ventilation and air conditioning has adopted a convection method, resulting in unbalanced heating and cooling depending on the position of the diffuser. In addition, there is a problem that the height is raised due to the size of the duct. On the other hand, conventional floor radiant heating and heating panel is used as a slab panel of weight or prefabricated lightweight. However, heavy slab panels could be a structural burden when considering high or high rise offices. In contrast, in the case of lightweight prefabricated panels, the floors are damaged in heavy office furniture such as desks, bookshelves, cabinets, and the like, so that the floor radiant heating and cooling system, which is advantageous in terms of comfort or energy, is not well applied.

In contrast, in an embodiment of the present invention, by arranging the pipe 30 under the upper support panel 20 to perform air conditioning and heating using the access floor panel 100, and to strengthen the structure of the access floor panel 100. It can easily control the humidity inside the building, easily control the temperature inside the building, and reduce structural costs while reducing equipment costs. That is, since the access floor panel 100 is integrated with the air conditioning panel to have a cooling and heating function, the access floor panel 100 may be used to perform cooling, heating, and ventilation together.

As shown in FIG. 1, the pipe 30 is formed in a zigzag form. The pipe 30 includes a plurality of first pipe parts 301 and second pipe parts 303. A pair of pipe ends 305 are positioned at the ends of the first pipe parts 301 not connected to the second pipe parts 303. The first pipe portions 301 extend along the convex portions 6011 of the lower support panel 60 in the x-axis direction. The first pipe parts 301 are spaced apart from each other. The second pipe parts 303 interconnect the first pipe parts 301. In consideration of the connection structure, the second pipe parts 303 may not contact the pipe guide panel 40. On the contrary, the first pipe parts 301 are positioned between the pipe guide panel 40 and the upper support panel 20 while contacting the pipe guide panel 40. As a result, the pipes 30 may be easily fixed by using the first pipe parts 301.

The pipe guide panel 40 is located below the pipe 30. The pipe guide panel 40 is positioned in contact with the pipe 30 and the upper support panel 20. That is, the pipe guide panel 40 fixes the pipe 30 in close contact with the bottom of the upper support panel 20. Portions of the pipe guide panel 40 that do not correspond to the first pipe parts 301 are directly in contact with the upper support panel 20. Therefore, the pipe guide panel 40 may be in close contact with the upper support panel 20 to firmly fix the pipe 30 under the upper support panel 20. The pipe guide panel 40 may be manufactured of a steel or the like having excellent strength and thermal conductivity so as to firmly support the pipe 30 and to evenly and rapidly spread the heat of the pipe 30. The pipe guide panel 40 improves cooling and heating efficiency of the access floor panel 100 by quickly and evenly spreading the cold or hot heat discharged from the pipe 30 toward the upper support panel 20. That is, the pipe guide panel 40 evenly spreads the cold or warm heat of the pipe 30 to the panel surface.

The insulation 50 is located below the pipe guide panel 40. Therefore, the heat insulating material 50 prevents the hot or cold heat radiated from the pipe 30 from being radiated and lost in the lower side of the access floor panel 100, that is, in the z-axis direction. As a result, since the hot or cold heat transmitted from the pipe 30 is mainly radiated only toward the upper direction of the access floor panel 100, the cooling and heating efficiency of the interior of the building can be greatly increased through the access floor panel 100. The heat insulating material 50 is injected through the filling hole 6031 and filled between the pipe guide panel 40 and the lower support panel 60. Therefore, after injecting through the filling hole 6031 using the liquid insulator 50, the solid material which is easy to be injected by solidifying or having a particle form may be used as the insulator 50. Here, the material of the heat insulating material 50 is glass wool, rock wool, pearlite, siliceous, alumina, magnesia, carbonaceous fiber, carbon powder, expanded polystyrene, expanded polyurethane, expanded hydrochloride, atyron, ice gran, vermiculite, Cellulose, urea, basic magnesium carbonate or cork and the like can be used, but are not limited to a specific material.

As shown in FIG. 1, the lower support panel 60 is positioned under the insulation 50. The lower support panel 60 covers the pipe guide panel 40 to support the pipe guide panel 40 while at the same time sharing an object load such as a person or furniture located thereon. The lower support panel 60 includes a plurality of convex portions 6011. The convex portions 6011 protrude toward the + z axis direction, that is, toward the pipe guide panel 40. The convex portions 6011 are formed to be arranged regularly. The convex portions 6011 are arranged in an array along the x-axis direction and the y-axis direction. Since the lower support panel 60 forms an exterior of the access floor panel 100 and supports an object such as a person or furniture located thereon, the lower support panel 60 is preferably formed of steel resistant to impact.

Meanwhile, the lower support panel 60 includes a lower support surface 601 and four sides 603. Lower support surface 601 is substantially parallel to the xy plane. The lower support surface 601 on which the convex portions 6011 are formed includes four edge portions 602. The lower support panel 60 includes a pair of corner portions 604 located at both ends of the edge portion 602. Of the plurality of convex portions 6011, the convex portions 6011a and 6011b are positioned closest to the corner portions 604. End portions 305 of the pipe 30 described above are exposed to the outside through the convex portions 6011a and 6011b. That is, the ends 305 of the pipe 30 are externally exposed in the z-axis direction of the lower support panel 60 through the through holes 6011d formed in the convex portions 6011a and 6011b.

Sides 603 perpendicularly intersect the lower support surface 601. That is, the sides 603 are substantially parallel to the zx plane. Four sides 603 share the lower support surface 601 and the four edge portions 602. Two filling holes 6031a and 6031b are formed in the side surface 603 and the like. By injecting the insulating material through the filling hole 6031a, the space between the pipe guide panel 40 and the lower support panel 60 may be filled with the insulating material 50. Here, the heat insulating material is injected through one filling hole 6031a, and the heat insulating material is not injected through the other filling hole 6031b. Accordingly, the pipe guide panel 40 is discharged to the outside through the filling hole 6031a while discharging the air in the space between the pipe guide panel 40 and the lower support panel 60 through the other filling hole 6031b. ) And the lower support panel 60 can be efficiently filled. Here, the filling holes 6031a and 6031b are formed between the convex portions 6011 so that the heat insulating material is easily injected. If the filling holes 6031a and 6031b are formed toward the convex portions 6011 and not between the convex portions 6011, the insulated material injected is interfered by the convex portions 6011 and thus the pipe guide panel 40. It is difficult to tightly fill the space between and the lower support panel 60. Therefore, the filling holes 6031a and 6031b are preferably formed between the convex portions 6011.

FIG. 2 schematically shows a state of use of the access floor panel 100 of FIG. 1. 2 illustrates a state in which the access floor panel 100 is manufactured by combining the components of the access floor panel 100 of FIG. 1 and then installed.

As shown in FIG. 2, when the access floor panel 100 is installed, a distance from the floor is required, so that the frame 90 is first installed on the floor. This is for disposing wires or the like through the space between the access floor panel 100 and the floor. Therefore, as illustrated by the dotted arrows in FIG. 2, the plurality of access floor panels 100 are mounted on and fixed to the frame 90.

As shown in FIG. 2, the access floor panels 100 may be constructed by a simple method of manufacturing the plurality of access floor panels 100 and arranging them side by side on the frame 90. For example, the size of the access floor panel 100 can be 600 mm x 600 mm.

An end 305 (shown in FIG. 1) of the tubing 30 (shown in FIG. 1) drawn out through each access floor panel 100 is adjacent to an adjacent access floor panel through a flexible tube 92. It is connected to an end 305 (shown in FIG. 1) of a tubing 30 (shown in FIG. 1) of 100. As a result, the cooling cold water or the hot water for heating can continuously pass through the plurality of access floor panels 100 without leaking, thereby efficiently heating and cooling the building.

As shown in FIG. 2, the flexible tube 92 continuously connects the plurality of access floor panels 100 along the y-axis direction as well as the x-axis direction. As a result, the plurality of access floor panels 100 can be connected integrally to efficiently perform heating and cooling.

FIG. 3 schematically shows a partial cross-sectional structure of the access floor panel 100 taken along line III-III of FIG. 2. The partial cross-sectional structure of the access floor panel 100 of FIG. 3 is merely for illustrating the present invention, but the present invention is not limited thereto. Therefore, the partial cross-sectional structure of the access floor panel 100 can be variously modified.

As shown in FIG. 3, the center 6011c of the convex portion 6011 is in contact with the pipe guide panel 40. Therefore, the upper support panel 20, the pipe guide panel 40, and the lower support panel 60 may be joined to each other by welding. As a result, the durability of the access floor panel 100 is improved. Since the upper support panel 20, the piping guide panel 40, and the lower support panel 60 can all be manufactured with steel materials, they can be joined by mutual welding. As a result, since the pipe 30 closely adheres to the upper support panel 20 by the pipe guide panel 40, the hot and cold heat discharged from the pipe 30 can be efficiently transferred to the + z-axis direction efficiently. have.

On the other hand, the width W6011 of the convex part 6011 formed in the lower support panel 60 becomes small as it approaches the upper support panel 20. Accordingly, the upper support panel 20, the pipe guide panel 40, and the lower support panel 60 are welded to each other by using the center 6011c of the convex portion 601, and through the space between the convex portions 601. May fill the heat insulator 50. As a result, the access floor panel 100 provided with the air conditioning system which is excellent in durability and excellent in heat insulation efficiency can be manufactured.

As shown in FIG. 3, the pipe guide panel 40 includes first pipe guide panel portions 401 and second pipe guide panel portions 403. The first pipe guide panel portions 401 have a round shape while surrounding the pipe 301 and are spaced apart from each other. Therefore, the pipe 301 may be efficiently fixed using the first pipe guide panel portions 401. Meanwhile, the second pipe guide panel parts 403 interconnect the plurality of first pipe guide panel parts 401. Since the second pipe guide panel parts 403 are welded in contact with the upper support panel 20, the pipe 301 may be stably fixed below the upper support panel 20.

Here, the area where the first piping guide panel 401 contacts the outer surface of the pipe 30 may be 50% to 70% of the area of the outer surface of the pipe 30. If the area where the first pipe guide panel portion 401 contacts the outer surface of the pipe 30 is too small, the first pipe guide panel portion 401 does not firmly fix the pipe 30 so that the pipe 30 may be closed. Since spaced apart from the upper support panel 20, the cooling and heating efficiency of the access floor panel 100 is greatly reduced. On the contrary, it is impossible to design by the 1st piping guide panel part 401 so that the area which contacts the outer surface of the piping 30 may be too large. In this case, since the second pipe guide panel 403 needs to dig into the lower part of the pipe 30, the manufacturing process is complicated and the manufacturing cost and manufacturing time are greatly increased. Therefore, it is necessary to adjust the area in contact with the outer surface of the pipe 30 in the above-described range. Hereinafter, a method of manufacturing the access floor panel 100 of FIG. 1 will be described in detail with reference to FIGS. 4 to 9.

4 is a flowchart schematically illustrating a method of manufacturing the access floor panel 100 of FIG. 1, and FIGS. 5 to 9 are schematic views illustrating respective steps of the method of manufacturing the access floor panel 100 of FIG. 4. 5 to 9 show the access floor panel 100 upside down for convenience.

The manufacturing method of such an access floor panel 100 is merely to illustrate the present invention, but the present invention is not limited thereto. Therefore, the manufacturing method of the access floor panel 100 can be variously modified. Hereinafter, each step of FIGS. 5 to 9 will be described with reference to FIG. 4 while explaining a method of manufacturing the access floor panel 100 according to an exemplary embodiment.

First, as shown in FIG. 4, in step S10, an upper support panel 20 is provided, and in step S20, a pipe 30 is provided in contact with the upper support panel 20. In operation S30, a pipe guide panel 40 is provided to contact the pipe 30 and the upper support panel 20. In operation S40, a lower support panel 60 is provided to cover the pipe guide panel 40. do.

FIG. 5 schematically illustrates a method of manufacturing the access floor panel 100 corresponding to steps S10 to S40 of FIG. 4. As shown by the dashed arrows in FIG. 5, the lower support panel 60 covers the pipe guide panel 40. The lower support panel 60 includes a plurality of convex portions 6011. The plurality of convex portions 6011 is formed to protrude toward the upper support panel 20 and to be arranged regularly.

4, in step S50, the end portion 305 of the pipe 30 (not shown) is drawn out to the outside through the through hole 6011d formed in the lower support panel 60. Here, step S50 of FIG. 4 corresponds to FIG. 6.

6 schematically illustrates a method of withdrawing an end of a pipe from a lower support panel.

As shown in FIG. 6, the end 305 of the pipe 30 (not shown) is drawn out to the outside, and then connected to the flexible tube or the like to interconnect the plurality of access floor panels 100. As a result, it is possible to manufacture the access floor panel 100, which is simple in construction and excellent in heating and cooling efficiency.

4 again, in step S60, the upper support panel 20, the pipe guide panel 40, and the lower support panel 60 are spot welded to each other. Here, step S60 of FIG. 4 corresponds to FIG. 7.

7 shows a process of attaching the upper support panel 20, the pipe guide panel 40 and the lower support panel 60 to each other by spot welding.

As shown in FIG. 7, the upper support panel 20, the piping 30 (dotted line), the piping guide panel 40 (dotted line), and the lower support panel 60 are arrange | positioned in order, and the lower support panel ( Spot welding is performed by making the spot welder 70 contact the upper surface of 60 and the lower surface of the upper support panel 20. In this case, the upper support panel 20, the pipe guide panel 40 (shown in dashed lines), and the lower support panel 60 are joined to each other by welding at positions corresponding to the center 6011c of the convex portion 6011.

4 again, in step S70, a heat insulating material is filled between the pipe guide panel 40 and the lower support panel 60. Here, step S60 of FIG. 4 corresponds to FIG. 8.

8 schematically illustrates a process of filling the heat insulating material through the filling hole 6031a using the dispenser 80.

As shown in FIG. 8, when the heat insulating material is in the liquid phase, the pipe guide panel 40 (not shown) and the lower support panel 60 (not shown) are provided through the filling hole 6031a using the dispenser 80. The space between the can be filled with a heat insulating material. In this case, the air existing between the pipe guide panel 40 (not shown) and the lower support panel 60 (not shown) is discharged to the outside through another filling hole 6031b. In particular, it is preferable to fill the access floor panel 100 in the z-axis direction so as to fill the space between the pipe guide panel 40 (not shown) and the lower support panel 60 (not shown) well. Therefore, the heat insulating material 50 can be densely packed between the piping guide panel 40 (not shown) and the lower support panel 60 (not shown).

4, in step S80, the finishing panel 10 is attached to the upper support panel 20. Here, step S80 of FIG. 4 corresponds to FIG. 9.

As shown in Figure 9, the finishing panel 10 may be made of wood, stone, carpet or sheet material and the like. Therefore, the finishing panel 10 may be difficult to be joined by welding with the upper support panel 20 due to its material properties. In particular, since the finishing panel 10 is visible, it may be referred to when the final product is selected in consideration of the position of the consumer. Accordingly, in one embodiment of the present invention, after spot welding the upper support panel 20, the pipe guide panel 40, and the lower support panel 60 in consideration of this point, the finishing panel 10 is finally dotted in FIG. 9. It is attached to the upper support panel 20 in the direction of the arrow. Through the above-described steps, it is possible to manufacture an access floor panel having excellent durability and excellent heating and cooling efficiency.

It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the following claims.

100. Access Floor Panel
10. Finishing panel
20. Upper support panel
30. Piping
40. Piping Guide Panel
50. Insulation
60. Lower support panel
301, 303. Piping section
305. End
401, 403. Piping guide panel
601. Lower support surface
6011, 6011a, 6011b. Convex portion
6011c. center
6011d. Through hole
602. Edge
603. The side
6031a, 6031b. Filling
604. Corner section
70. Spot Welder
80. Dispenser
90. Frame
92. Flexible Tube

Claims (11)

Finishing panels,
An upper support panel in contact with the finishing panel,
A pipe contacting the upper support panel on an opposite side of the closing panel with the upper support panel interposed therebetween,
A pipe guide panel in contact with the pipe and the upper support panel;
A lower support panel covering the piping guide panel, and
Insulation material filled between the pipe guide panel and the lower support panel
Lt; / RTI >
The lower support panel includes a plurality of convex portions protruding toward the pipe guide panel and arranged regularly;
The width of at least one convex portion of the plurality of convex portions becomes smaller as the upper support panel approaches, and the center of the convex portion is in contact with the pipe guide panel. The method of claim 1,
The lower support panel,
A lower support surface having a plurality of convex portions formed therein, and comprising a plurality of edge portions, and
A plurality of side surfaces perpendicular to the lower support surface and sharing the lower support surface and the plurality of edge portions
/ RTI >
And at least two filling holes formed between the plurality of convex portions adapted to inject the insulation into one of the plurality of side surfaces. The method of claim 2,
The lower support panel further includes a pair of corner portions located at both ends of one of the plurality of edge portions,
Both ends of the pipe are exposed to the outside through the convex portion closest to each corner portion of the pair of corner portions of the plurality of convex portions, respectively. The method of claim 3,
In the above-described piping,
A plurality of first pipe portions extending along the plurality of convex portions and spaced apart from each other, and
A plurality of second pipes for interconnecting the plurality of first pipes
/ RTI >
And the plurality of first pipe parts are disposed between the pipe guide panel and the upper support panel while contacting the pipe guide panel. The method of claim 1,
And an access floor panel in which the upper support panel, the pipe guide panel, and the lower support panel are welded to each other at the center of the convex portion. The method of claim 1,
The pipe guide panel,
A plurality of first piping guide panel portions surrounding the piping, spaced apart from each other, and having a round shape;
A plurality of second piping guide panel portions interconnecting the plurality of first guide panel portions and contacting the upper support panel;
Access floor panel containing a. The method according to claim 6,
And an area where the first pipe guide panel portion of the plurality of first pipe guide panel portions is in contact with the outer surface of the pipe is 50% to 70% of the area of the outer surface of the pipe. Providing an upper support panel,
Providing piping in contact with the upper support panel;
Providing a pipe guide panel in contact with the pipe and the upper support panel;
Providing a lower support panel covering the pipe guide panel, the lower support panel comprising a plurality of convex portions protruding toward the upper support panel and regularly arranged;
Spot welding the upper support panel, the pipe guide panel and the lower support panel to each other by spot welding at the center of each of the plurality of convex portions;
Filling a heat insulating material between the pipe guide panel and the lower support panel; and
Attaching the finishing panel to the upper support panel
Method of manufacturing an access floor panel comprising a. 9. The method of claim 8,
In the providing of the lower support panel, the lower support panel,
A lower support surface having a plurality of convex portions formed therein, and comprising a plurality of edge portions, and
A pair of corner portions positioned at both ends of one of the plurality of edge portions;
/ RTI >
Forming a through hole penetrating the convex portion closest to each corner portion of the pair of corner portions among the plurality of convex portions,
And drawing out one end of the pipe to the outside through the through hole. 9. The method of claim 8,
In the providing of the lower support panel, the lower support panel includes a plurality of side surfaces, and forms two or more filling holes adapted to inject the insulation into one of the plurality of side surfaces,
And insulating the insulation between the pipe guide panel and the lower support panel, wherein the insulation is injected through one of the two or more filling holes. 9. The method of claim 8,
In the step of providing a pipe guide panel in contact with the pipe and the upper support panel,
The pipe guide panel,
A plurality of first piping guide panel portions surrounding the piping, spaced apart from each other, and having a round shape;
A plurality of second piping guide panel portions interconnecting the plurality of first guide panel portions and contacting the upper support panel;
/ RTI >
And an area of one of the plurality of first pipe guide panel portions contacting the outer surface of the pipe is 50% to 70% of the area of the outer surface of the pipe.

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