JP2015152200A - floor heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor heating panel which can suppress breakage of a portion for communicating a recessed groove for piping in both side regions in a small joist width direction in a base material.SOLUTION: A floor heating panel 1 is configured in such a manner that a long small joist 15 is provided so as to divide a foamed resin-based base material 10 in which a recessed groove 11 for piping where a heating medium tube 18 is disposed is provided on an upper surface side into one side region 12 and the other side region 13. At the small joist, a notch-like recessed place 16 is provided in which a communication part 14 of the base material is fitted in which the recessed groove for piping is provided for communicating the recessed groove for piping of the one side region side and the recessed groove for piping on the other side region side.

Description

  The present invention relates to a floor heating panel provided with a foamed resin base material.

2. Description of the Related Art Conventionally, a floor heating panel is known that includes a foamed resin base material provided with a concave groove for piping in which a heat medium pipe is disposed on the upper surface side.
For example, in Patent Document 1 below, a small groove for fixing a flooring material is provided at an appropriate position by providing a concave groove for piping in which a heat medium pipe is disposed on the upper surface side of a base material formed of a foamed resin material or the like. A floor heating panel is proposed. Also, the pipe groove is divided in the longitudinal direction so that the pipe groove is not divided by the small joist, and the pipe groove in both sides of the small joist width direction is communicated with the base material between the small joists. It is set as the structure which provided.

JP2013-145070A

  However, in the floor heating panel described in Patent Document 1, since the base material is formed of a foamed resin material or the like, the part located between the divided small joists in the base material is not portable when carrying or the like. It is thought that it becomes easy to break, and further improvement is desired.

  This invention is made | formed in view of the said situation, and it aims at providing the floor heating panel which can suppress the failure | damage of the site | part which connects the groove for piping of the small joist width direction both sides area | region in a base material. .

  In order to achieve the above object, a floor heating panel according to the present invention comprises a foamed resin base material provided with a concave groove for piping in which a heat medium pipe is provided on the upper surface side, one side region and the other side region. The small joist is provided with a long small joist, and the small groove is connected to the concave groove for piping on the one side region side and the concave groove for piping on the other side region side. A notch-like recess is provided in which the communicating portion of the base material provided with the groove for piping is fitted.

In the present invention, the recess and the communication portion may be provided at a plurality of locations at intervals along the longitudinal direction of the small joists.
Moreover, in this invention, you may provide the said recess and the said communication part so that it may be located in the longitudinal direction one end side of the said small joist.

  Since the floor heating panel according to the present invention has the above-described configuration, it is possible to suppress breakage of a portion of the base material that communicates the concave grooves for piping in both sides of the small joist width direction.

(A)-(c) shows typically an example of the floor heating panel which concerns on one Embodiment of this invention, (a) is a partially broken schematic plan view corresponding to the X1 part in FIG. b) is a partially broken schematic longitudinal sectional view corresponding to the Y1-Y1 line arrow in (a), and (c) is a partially broken schematic exploded longitudinal sectional view omitting a part corresponding to (b). FIG. (A) is a partially broken schematic plan view corresponding to the X2 part in FIG. 3, (b) is a partially broken schematic longitudinal sectional view corresponding to the Y2-Y2 line arrow in (a), (c) ) Is a partially broken schematic exploded longitudinal cross-sectional view in which a part corresponding to (b) is omitted. It is a partially omitted schematic plan view schematically showing an example of the floor heating panel. (A), (b) shows typically an example of the floor heating panel which concerns on other embodiment of this invention, (a) is a partially broken schematic plan view corresponding to Fig.2 (a), (B) is a partially broken schematic longitudinal cross-sectional view corresponding to the Y3-Y3 line arrow in (a).

Embodiments of the present invention will be described below with reference to the drawings.
1-3 is a figure which shows typically an example of the floor heating panel which concerns on 1st Embodiment.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
Moreover, in FIG. 1 (a), (c), FIG. 2 (a), (c), FIG.3 and FIG.4 (a), illustration of a heat-medium pipe | tube and a soaking | uniform-heating sheet | seat is abbreviate | omitted.
In the following embodiments, one direction of the floor heating panel (base material) that is the same as the longitudinal direction of the small joists will be described as the longitudinal direction of the floor heating panel (base material) for convenience. The direction may be the width direction of the floor heating panel (base material).

  As shown in FIG. 3, the floor heating panel 1 according to the present embodiment has a concave groove 11 for piping in which a heat medium pipe 18 (see FIGS. 1B and 2B) is disposed on the upper surface side. A provided foamed resin base 10 is provided. In addition, the floor heating panel 1 is configured to have long small joists 15 and 15A so as to divide the base material 10 into one side region 12 and the other side region 13. In addition, the floor heating panel 1 has the piping groove 11 so that the small joist 15, 15A communicates the piping groove 11 on the one side region 12 side and the piping groove 11 on the other side region 13 side. It is set as the structure which provided the notch-shaped recessed part 16,16A, 16B in which the communication part 14,14A, 14B of the provided base material 10 is engage | inserted.

The floor heating panel 1 has a substantially rectangular flat plate shape, is installed on a floor base, and is configured to be covered with a floor finishing material (floor material). Further, a plurality of floor heating panels 1 may be installed on the floor base so as to be adjacent vertically and horizontally.
The floor heating panel 1 may be fixed to a floor base such as a floor joist, a thrown plywood, or a concrete base using the small joists 15, 15A described later as fastening points for screws, nails, or the like. Moreover, the fastening part of the flooring arrange | positioned so that the longitudinal direction of the small joists 15,15A and the longitudinal direction may be orthogonally crossed may be fastened to the small joists 15,15A part by a fastener, and the flooring may be attached to the floor heating panel 1 You may make it fix with respect to.

Moreover, you may make it set the width dimension and length dimension of this floor heating panel 1 suitably from a viewpoint of the handleability at the time of conveyance, the time of construction, etc. For example, the width dimension and the length dimension of the floor heating panel 1 may be about one (303 mm) to one length (3030 mm).
Further, the thickness dimension of the floor heating panel 1 may be appropriately set from the viewpoint of improving the strength of the floor heating panel 1 because the heat medium pipe 18 can be disposed. For example, the thickness dimension of the floor heating panel 1 may be about 10 mm to 30 mm.

The heat medium pipe 18 is a hollow tubular body, and in the illustrated example, the heat medium pipe 18 is shown as a circular tube in cross-section. The heat medium pipe 18 is flexible so that it can be easily disposed in the pipe groove 11 in accordance with the path pattern of the pipe groove 11 of the substrate 10. The heat medium pipe 18 may be formed of a material having corrosion resistance and heat resistance. For example, the heat medium pipe 18 may be a pipe or tube formed of a resin material such as crosslinked polyethylene. Moreover, as a heat medium distribute | circulated to the heat medium pipe | tube 18, it is good also as a liquid, gas, vapor | steam, etc., for example.
Further, a heat transfer member shaped to cover the outer peripheral surface of the heat medium pipe 18 from the lower side may be provided in the concave groove 11 for piping.

Moreover, the floor heating panel 1 is provided with the heat equalization sheet | seat 19 which covers the upper surface side of the base material 10, as shown in FIG.1 (b) and FIG.2 (b). The soaking sheet 19 is provided so as to cover the entire upper surface of the substrate 10. The soaking sheet 19 is a thin sheet (film) and is made of a material having high thermal conductivity. For example, the soaking sheet 19 may be made of a metal material such as aluminum.
In addition, the marker which shows the range which can fix a fastener on the upper surface of the soaking | uniform-heating sheet | seat 19 (site | part exposed on the upper surface of the base material 10 except the recesses 16, 16A, 16B site | parts of the small radish 15 and 15A mentioned later). You may make it provide the mark of these.

The base material 10 has a substantially rectangular flat plate shape and is formed of a material having heat insulation properties, and is formed of, for example, a foamed resin material such as foamed polypropylene or foamed polystyrene.
In addition, a housing recess for housing the connecting portion of the heat medium pipe 18 is provided at an appropriate position (one corner portion in the illustrated example) at one end in the width direction of the base material 10. Piping grooves 11 and 11 in which the medium-side heat medium pipe 18 and the medium-side heat medium pipe 18 are disposed are provided so as to face the housing recess.
The groove 11 for piping is provided on the upper surface side of the base material 10 so as to open toward the upper side (one side in the thickness direction of the base material 10). As shown in FIGS. 1B and 1C and FIGS. 2B and 2C, the concave groove 11 for piping is substantially U-shaped when viewed in the longitudinal direction of the groove. The groove width and groove depth of the concave groove 11 for piping may be set as appropriate so that the upper end of the accommodated heat medium pipe 18 is close to or in contact with the soaking sheet 19.

  Moreover, the concave groove 11 for piping is provided so that it may meander over substantially the whole upper surface of the base material 10 from a viewpoint of improving soaking | uniform-heating property. In the illustrated example, the heat medium pipe 18 disposed in the concave groove 11 for piping is meandering between one end portion (corner portion) in the width direction of the substrate 10 and the other end portion in the width direction of the substrate 10. However, it is set as the structure which provided the groove 11 for piping so that it could reciprocate 2 times. In addition, as a path | route pattern of the groove 11 for piping provided in the upper surface side of the base material 10, it is not restricted to such an aspect, It provides so that it may make 1 reciprocation, or it may provide so that it may make 3 or more reciprocations Also good. Further, the path pattern is not limited to be folded back at the other end portion in the width direction of the base material 10, and the connection portion of the heat medium pipe 18 is accommodated at an appropriate position on the other end portion in the width direction of the base material 10. An accommodation recess may be provided. As a route pattern of the groove 11 for piping provided on the upper surface side of the base material 10, various other route patterns may be used.

As shown in FIG. 3, the small joists 15 and 15 </ b> A have a substantially strip plate shape that is long in one direction (longitudinal direction) of the substrate 10. Further, the small joists 15, 15A are, for example, plywood and wood laminate boards such as LVL, wood boards such as particle boards, and wood fiber boards such as MDF (medium density fiber boards) so that the fasteners can be fastened. It may be formed from a wood-based material such as.
In the present embodiment, the length dimensions of the small joists 15 and 15 </ b> A are substantially the same as the length dimension of the base material 10. That is, both ends in the longitudinal direction of the small joists 15 and 15 </ b> A are exposed at both ends in the longitudinal direction of the substrate 10.
Further, the thickness dimensions of the small joists 15, 15A (thickness dimensions of the portion excluding the portions where the recesses 16, 16A, 16B described later) are provided are substantially the same as the thickness dimensions of the base material 10. ing. That is, both the thicknesses of the small joists 15 and 15 </ b> A are exposed on both sides of the base material 10 in the thickness direction.
The width dimension of the small joists 15, 15A may be an appropriate width dimension so that the fastener can be fastened.

In the present embodiment, a plurality (odd number, five in the illustrated example) of the small joists 15, 15A are provided at intervals in the width direction, which is the other direction of the base material 10.
Moreover, in this embodiment, it is set as the structure which provided these several small joists 15, 15A so that the base material 10 may be divided equally into the width direction (in the example of a figure, 6 equal parts). That is, in the illustrated example, five small joists 15, 15A are provided at substantially equal intervals so as to divide the base material 10 into six regions 12A, 13, 12, 13, 12, 13A in the width direction. It is said.
In the present embodiment, two types of small joists 15 and 15A are provided, and these are provided alternately in the width direction of the substrate 10. In the present embodiment, the first small joist 15 provided with a single recess 16 and the second small joist 15A provided with a plurality of recesses 16A and 16B are provided. Moreover, the 1st small joist 15 is provided in the width direction substantially center part of the base material 10, and the 2nd small joists 15A and 15A are provided in the width direction both sides, respectively, and the base material width direction of these 2nd small joists 15A and 15A The first small joists 15, 15 are provided on the outer sides.

In the present embodiment, the recesses 16, 16A, 16B and the communication portions 14, 14A, 14B are provided so as to be positioned on one end side in the longitudinal direction of the small joists 15, 15A. In the present embodiment, the recesses 16, 16 A, 16 B and the communication portions 14, 14 A, so as to be offset toward one end in the longitudinal direction of the substrate 10, which is one end in the longitudinal direction of each of the plurality of small joists 15, 15 A, 14B is provided.
In the present embodiment, the recesses 16, 16A, 16B between the small joists 15, 15A adjacent in the width direction and the communication portions 14, 14A, 14B are provided so as not to overlap each other when viewed in the width direction. It is said.

As shown in FIG. 1 and FIG. 3, the first small joist 15 has a configuration in which a recess 16 is provided in the middle in the longitudinal direction.
As shown in FIG. 1, the recess 16 of the first small joist 15 opens upward and is provided over the entire width of the first small joist 15. That is, the recess 16 is provided so as to open upward and on both sides of the small joist width direction. Further, the recess 16 has a substantially rectangular groove shape when viewed in the width direction of the small joist.
The depth dimension of the recess 16 (the dimension along the thickness direction of the small joist), that is, the thickness dimension of the bottom plate-like portion 17 that divides the bottom side of the recess 16 is determined from the viewpoint of strength and the concave for piping. You may make it set suitably according to the thickness dimension of the communication part 14 in which the groove | channel 11 was provided. In the illustrated example, the thickness dimension of the bottom plate-like portion 17 is set to a thickness dimension that is about 1/3 of the thickness dimension of the first small joist 15 in a portion other than the portion.

  In addition, the dimension along the longitudinal direction of the recess 16 of the first small joist 15 is appropriately determined depending on the viewpoint of strength, the dimension along the same direction of the communication portion 14 fitted into the recess 16, and the like. You may make it set. In the illustrated example, the recess 16 has a path pattern as described above, and the base material 10 is reciprocated twice in the width direction so as to be provided so as to straddle the small joists 15, 15A. It is set as the structure by which the 1st communication part 14 provided with four of the concave grooves 11 is engage | inserted. That is, the piping groove 11 on the width direction one side region 12, 12 </ b> A side of the first small joist 15 is connected to the pipe groove 11 on the width direction other side region 13, 13 </ b> A side of the first small joist 15. The first communication portion 14 provided with a plurality (four) of the concave grooves 11 for piping is provided at one location in the longitudinal direction of the first small joist 15.

  The first communication portion 14 of the base material 10 fitted in the recess 16 of the first small joist 15 is formed by the upper surface of the bottom plate-like portion 17 serving as the bottom surface of the recess 16 and both inner wall surfaces (small joist) facing the recess 16. A shape corresponding to the recess 16 is formed so as to be in contact with or close to the surface facing the longitudinal direction. The first communication portion 14 is formed thinner than other portions of the base material 10 so that a receiving space for the bottom plate portion 17 is formed on the back surface side. Further, the base 10 is provided with a receiving space that penetrates in the thickness direction and opens at both ends in the longitudinal direction so that the first small joist 15 can be received. That is, the width direction both side areas 12, 12A, 13, 13A of the first small joists 15 are configured to be connected via the first communication portion 14.

As shown in FIGS. 2 and 3, the second small joist 15 </ b> A has a configuration in which recesses 16 </ b> A and 16 </ b> B are provided at a plurality of locations at intervals along the longitudinal direction. In this embodiment, it is set as the structure which provided the recesses 16A and 16B in one place and the longitudinal direction one end part of the 2nd small joist 15A in the longitudinal direction. The recess 16 of the first small joist 15 described above has a recess 16A provided at a midway in the longitudinal direction of the second small joist 15A and an end recess 16B provided at one end in the longitudinal direction when viewed in the width direction. Between the two.
The recess 16A provided in the midway in the longitudinal direction of the second small joist 15A has substantially the same configuration as the recess 16 of the first small joist 15 described above, and the bottom side is partitioned by the bottom plate-like portion 17A. .
The end recess 16B is provided so as to open to the outer side in the longitudinal direction. That is, one end face in the longitudinal direction of the bottom plate 17B that defines the bottom side of the end recess 16B is substantially flush with the one end face in the longitudinal direction of the substrate 10.

  Moreover, a part of the four groove 11 for piping which will be provided so that these recesses 16A and end recesses 16B may be provided so as to straddle each small joist 15, 15A as described above is provided respectively. In addition, the second communication portion 14A and the third communication portion 14B are fitted in each. That is, the piping groove 11 for communicating the piping groove 11 on the one side region 13 side in the width direction of the second small joist 15A and the piping groove 11 on the other side region 12 side in the width direction of the second small joist 15A. Are provided in a plurality of locations (two locations) at intervals along the longitudinal direction of the second small joists 15A. It has a configuration. In the example shown in the drawing, the two piping grooves 11 are provided in each of the second communication portion 14A and the third communication portion 14B, but a configuration in which a different number of piping grooves 11 are provided may be used. .

Similarly to the above, the second communication portion 14A of the base material 10 fitted in the recess 16A in the midway in the longitudinal direction of the second small joist 15A is the top surface of the bottom plate-like portion 17A serving as the bottom surface of the recess 16A and the recess 16A. It is made into a shape corresponding to the recess 16A so as to come into contact with or be close to opposite inner wall surfaces (surfaces facing the longitudinal direction of the small joists).
Further, the third communication portion 14B of the base material 10 to be fitted into the end recess 16B of the second small joist 15A includes the upper surface of the bottom plate-like portion 17B that becomes the bottom surface of the end recess 16B and the wall surface (longitudinal direction) of the end recess 16B. The shape is in accordance with the end recess 16B so as to come into contact with or close to the outer surface. The one end side surface in the base material longitudinal direction of the third communication portion 14 </ b> B constitutes one end surface in the longitudinal direction of the base material 10.

As described above, the second communication portion 14A and the third communication portion 14B are formed thinner than other portions of the base material 10 so that the receiving spaces for the bottom plate-like portions 17A and 17B are formed on the back surface side. . In addition, the base 10 is provided with a receiving space that penetrates in the thickness direction and opens at the other end in the longitudinal direction so that the second small joist 15A can be received. That is, the width direction both side regions 13 and 12 of the second small joist 15A are configured to be connected via the second communication portion 14A and the third communication portion 14B.
In addition, the base material 10 which comprises the floor heating panel 1 is not restricted to what consists of one sheet, It is good also as what was divided | segmented into the several part and was comprised.

The floor heating panel 1 according to the present embodiment is configured as described above, so that the piping groove 11 of the small joist width direction both side regions 12, 12A, 13, 13A of the base material 10 is communicated. The breakage of the communication portions 14, 14A, 14B can be suppressed.
That is, the foamed resin base material 10 provided with the groove 11 for piping in which the heat medium pipe 18 is disposed on the upper surface side is composed of the one side region 12, 12A (13) and the other side region 13, 13A (12). The long small joist 15 (15A) is provided so as to be divided into two. Therefore, while the heating efficiency can be improved by using the base material 10 as the foamed resin system, it is possible to fasten the fasteners such as nails and screws for fixing the floor heating panel 1 and the floor finishing material to the small joists 15, 15A. it can.
The small joists 15, 15A are provided with notched recesses 16, 16A, 16B into which the communicating portions 14, 14A, 14B of the base material 10 are fitted. Accordingly, the base communication portions 14, 14A, 14B can be reinforced by the bottom plate-like portions 17, 17A, 17B which are the bottoms of the recesses 16, 16A, 16B of the small joists 15, 15A on the back surface side. Thereby, breakage of the communication portions 14, 14A, 14B during carrying and the like can be suppressed. Moreover, the heat medium pipe | tube 18 can be arrange | positioned over the substantially whole region of the base material 10 via the concave groove 11 for piping of this communication part 14, 14A, 14B. In addition, the number of members can be reduced and the assembling property can be improved as compared with the case where the small joists are arranged in the longitudinal direction.

Moreover, in this embodiment, it is set as the structure which provided the recesses 16A and 16B and communication part 14A, 14B in multiple places at intervals along the longitudinal direction of the 2nd small joist 15A. Therefore, when there are a plurality of piping concave grooves 11 crossing the second small joists 15A, they can be distributed and provided in the communication portions 14A and 14B as described above. Thereby, for example, compared with the case where it is set as the structure which provided the communication part 14 fitted in this recess 16 in the base material 10 and provided the single recess 16 like the 1 small joist 15, each communication part 14A. , 14B, the heat medium pipes 18 and 18 can be dispersed and arranged in the piping concave grooves 11 and 11, respectively, and temperature unevenness at the corresponding portions can be suppressed.
In the present embodiment, the recesses 16A and 16B and the communication portions 14A and 14B are provided at two locations at intervals along the longitudinal direction of the second small joist 15A. However, these are provided at three or more locations. You may do it.

  In the present embodiment, the recesses 16, 16A, 16B and the communication portions 14, 14A, 14B are provided so as to be positioned on one end side in the longitudinal direction of the small joists 15, 15A. Therefore, for example, compared with the case where the recesses 16, 16A, 16B are provided in the central portion in the longitudinal direction of the small joists 15, 15A, the recesses 16, 16A, 16B of the small joists 15, 15A during carrying etc. Damage to the bottom plate-like portions 17, 17A, 17B serving as the bottom can be suppressed. In addition, when the plurality of small joists 15, 15A are provided as described above, or when the plurality of floor heating panels 1 are arranged side by side, the communication portions 14, 14A, 14B serving as portions where the fasteners cannot be fixed are provided. The floor heating panel 1 can be positioned so as to be offset toward one side end. Thereby, when allocating the floor heating panel 1 and the floor finishing material, it is easy to avoid the fastening portion of the stopper at the width direction side end portion of the floor finishing material so as not to be positioned in the communication portions 14, 14A, 14B. You can also do it. In place of such a mode, for example, the recesses 16, 16A, 16B and the communication portions 14, 14A, 14B are provided so as to be positioned at both ends in the longitudinal direction of the small joists 15, 15A, It may be provided at a site or the like.

In the present embodiment, the recesses 16, 16A, 16B between the small joists 15, 15A adjacent in the width direction and the communication portions 14, 14A, 14B are provided so as not to overlap each other when viewed in the width direction. It is said. Accordingly, any of the fastening points of the fasteners at the end in the width direction of the floor covering material disposed so that the longitudinal direction is substantially orthogonal to the longitudinal direction of the small joists so as to straddle the plurality of small joists 15, 15A. Even when it is located on the communication portions 14, 14A, 14B, the fasteners can be fastened to the adjacent small joists 15, 15A. Instead of such a mode, the recesses 16, 16A, 16B and the communication portions 14, 14A, 14B of the small joists 15, 15A adjacent in the width direction are provided so as to overlap each other when viewed in the width direction. It is good also as an aspect.
Moreover, in this embodiment, although the example which provided two different types of small joists 15, 15A in the floor heating panel 1 is shown, it is good also as an aspect which provided one small joist of these. Moreover, it is not restricted to the aspect which provided the several small joist, It is good also as an aspect which provided the single small joist.

Next, another embodiment according to the present invention will be described with reference to the drawings.
FIG. 4 is a diagram schematically illustrating an example of the floor heating panel according to the second embodiment.
Note that differences from the first embodiment will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or simplified.

The floor heating panel 1A according to the present embodiment is mainly different from the first embodiment in that a third small joist 15B is provided instead of the second small joist 15A.
In the present embodiment, an example is shown in which the third small joist 15B is not provided over the entire one direction of the base material 10A. That is, the length of the third small joist 15B is shorter than the one-direction dimension (length dimension) of the base material 10A, and the third small joist 15B has a third small joist 15B on one end side in the longitudinal direction of the third small joist 15B. The bypass portion 14C is provided so as to bypass the joist 15B.
Unlike the above-described third communication portion 14B, the bypass portion 14C is provided in the same thickness as the other portions of the base material 10A. Further, the bypass portion 14C is provided so as to reciprocate the base material 10A twice in the width direction so as to communicate the piping concave grooves 11 on both side regions 13, 12 of the third small joist 15B. A part (two in the example) of the four piping grooves 11 is provided so as to bypass the one end side in the longitudinal direction of the third small joist 15B. One end surface of the third small joist 15B in the longitudinal direction is in contact with or close to the surface of the bypass portion 14C facing the other side in the longitudinal direction of the base material.

The floor heating panel 1 </ b> A according to the present embodiment configured as described above also has substantially the same effects as those of the first embodiment described above.
That is, the second communication portion 14A can be reinforced by the bottom plate-like portion 17A that is the bottom of the recess 16A provided in the midway in the longitudinal direction of the third small joist 15B. Moreover, although the detour part 14C in which the small joist does not exist is provided on one end side in the longitudinal direction of the third small joist 15B, such an end may be used because the end part is less likely to be damaged than the midway part in the longitudinal direction. In other words, the recesses 16, 16A, 16B are provided in at least one place in the longitudinal direction of the small joists 15, 15A, 15B, and the communication portions 14, 14A, 14B fitted into the recesses 16, 16A, 14B are provided in the base materials 10, 10A. do it.

1,1A Floor heating panel 10,10A Base material 11 Piping groove 12, 12A One side region (or other side region)
13, 13A The other side area (or one side area)
DESCRIPTION OF SYMBOLS 14 1st communication part 14A 2nd communication part 14B 3rd communication part 15 1st small joist 15A 2nd small joist 15B 3 small joist 16,16A Recess 16B End recess 18 Heat-medium pipe

Claims (3)

It is configured to have a long small joist so as to divide a foamed resin base material provided with a groove for piping on which the heat medium pipe is provided on the upper surface side into one side region and the other side region. And
The small joist has a notch into which the communication portion of the base material provided with a groove for piping so as to communicate with the groove for piping on the one side region side and the groove for piping on the other side region side is fitted. Floor heating panel, characterized in that a concave recess is provided. In claim 1,
The floor heating panel, wherein the recess and the communication portion are provided at a plurality of locations at intervals along the longitudinal direction of the small joists. In claim 1 or 2,
The floor heating panel, wherein the recess and the communication portion are provided so as to be positioned on one end side in the longitudinal direction of the small joists.

Images