JP5173675B2 - Airtight material - Google Patents

Description

  The present invention relates to an airtight material, and more particularly to an airtight material excellent in workability, which is disposed between a foundation and a base of a house and serves to maintain the airtightness of the portion.

  In recent years, there have been an increasing number of cases where high airtightness and high thermal insulation are carried out for the purpose of improving the energy saving effect, the thermal environment and the air environment in the construction method of houses. In this method, the floor, wall and ceiling of the house (so-called outer skin of the house) are airtight and insulated.

  In this method of high airtightness and high thermal insulation, instead of trying to make the floor (bottom floor) airtight and insulated, there is an increasing number of methods that insulate the foundation, and this is called the basic thermal insulation method. When the floor is insulated, it is called the floor insulation method.) Advantages of the basic heat insulation method include that the airtight construction is simpler than the floor heat insulation method, and that maintenance of various facilities such as water pipes piped to the lower part of the first floor is facilitated.

  In the case of this foundation insulation method, the problem is how to maintain the airtightness between the foundation and the foundation, but for the purpose of solving this problem, the applicant of the present application appropriately has both moisture permeability and waterproofness. An airtight material characterized in that a plurality of rod-like or tubular elastic packing materials are run in parallel at the end of a sheet of a size was proposed (Japanese Patent Laid-Open No. 2006-118305).

  This airtight material is sandwiched between the elastic packing material installation part between the foundation and the base, the elastic packing material is crushed and the part is hermetically sealed, the seat part is raised, and the airtight moisture-proof sheet By being fixed to the heat insulating material with continuity, the air-tight seal between the components from the base to the heat insulating material is achieved in combination with the air-proof moisture-proof sheet.

  Although this airtight material has such excellent effects, it cannot be said that sufficient consideration has been given to the workability when using it in the corner and the workability during joining. It took time and effort. That is, when it is used for the corner portion, the tip of the elastic packing material 51 on one side of one airtight material 50 is set to a length corresponding to the interval between the elastic packing materials 55 and 56 of the other airtight material 54. It peels from the sheet | seat 53 and excises (refer FIG. 5).

  First, one of the airtight members 50 is installed at the corner of the foundation 58 through the anchor bolt 59 with the sheet 53 facing upward and the elastic packing member 51 with the tip portion cut away. Next, the other airtight material 54 is laid so that the front end of the airtight material 54 is also below the sheet 53 of the airtight material 50 and the elastic packing materials 55 and 56 are in contact with the elastic packing material 52 of the airtight material 50.

  Moreover, when joining the airtight materials 50 and 54 in the linear part of a foundation outer periphery, the front-end | tip part of the elastic packing material 51 of the one side of one airtight material 50 is peeled from the length sheet | seat 53 suitably, and is excised. . Further, the front end portion of the elastic packing material 55 that abuts the elastic packing material 52 on the opposite side of the other airtight material 54 from which the front end portion has been cut off is the same length as the cut off portion of the elastic packing material 51. Then, the tip of the other elastic packing material 56 is peeled from the sheet 57 by the same length as described above (see FIG. 6).

  First, the airtight material 50 is laid on the foundation 58, and then the airtight material 54 is moved so that the tip of the elastic packing material 56 peeled off from the sheet 57 is placed under the sheet 53 of the airtight material 50, and the sheet 57 is removed. It arrange | positions so that it may overlap on the sheet | seat 53 (refer FIG. 6, 7).

JP-A-8-319676 JP-A-8-319677 JP 2006-118305 A

  As described above, in the case of the conventional airtight material, although it exerts an excellent effect on the airtight seal between the foundation and the foundation, a lot of labor is required for the laying work on the corner of the foundation and the joining work on the outer periphery of the foundation. There was a problem of requiring.

  The present invention has been made in view of the problems in the conventional hermetic material, and is disposed between the foundation and the base to achieve a sufficient hermetic seal between the foundation and the laying on the corner of the foundation. It is an object of the present invention to provide an airtight material capable of simply and quickly performing the work and the joining work on the outer periphery of the foundation.

  The invention according to claim 1 for solving the above-mentioned problem is formed by running a plurality of rod-like or tubular elastic packing materials in parallel from one end to the other end of the tape-shaped moisture-proof sheet. Both end portions are airtight materials characterized in that they are movable without being fixed to the moisture-proof sheet by an appropriate length from the end of the moisture-proof sheet.

  In the case of the one used for the corner portion, the moisture-proof sheet is formed in a right angle shape, and the elastic packing material is formed in a right angle shape or an arc shape. Usually, two elastic packing materials are arranged, and the elastic packing material has a circular or oval cross section, and has a seating portion for securing a sufficient adhesion area to the moisture-proof sheet. It is said.

  As described above, the present invention is formed by running a plurality of rod-like or tubular elastic packing materials side by side from one end to the other end of the tape-shaped moisture-proof sheet. Since the both end portions of each elastic packing material are not fixed to the moisture-proof sheet by an appropriate length from the end portions of the moisture-proof sheet, they can be laid on the foundation corner portion. In the work and the joining work on the outer periphery of the foundation, it is possible to save the trouble of peeling off and removing the end of the elastic packing material from the moisture-proof sheet, and therefore, it is possible to perform these work easily and quickly.

  The best mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a plan view of an embodiment of an airtight material 1 according to the present invention. The airtight material 1 includes rod-shaped or tubular elastic packing materials 3 and 4 extending from one end to the other end of a tape-shaped moisture-proof sheet 2. Multiple (usually two) are run side by side. The airtight material 1 shown in FIG. 1 is intended to be used for the corner portion of the foundation 20, and the moisture-proof sheet 2 and the elastic packing materials 3 and 4 are each formed in a right-angle shape (the elastic packing material 3 4 can also be arcuate). The airtight material 1 when used for the outer peripheral straight portion of the foundation 20 and the like is straightened for both the moisture-proof sheet 2 and the elastic packing materials 3 and 4.

  The airtight material 1 according to the present invention is configured so that both end portions of the elastic packing materials 3 and 4 are separated from the end portions of the moisture-proof sheet 2 by an appropriate length without being bonded and fixed to the moisture-proof sheet 2. 6 is formed (the hatched portion in FIG. 1 indicates a bonded portion). As an example, the non-adhesive portion 6 has a length of 100 mm from the end portion of the moisture-proof sheet 2.

  Typically, the elastic packing materials 3 and 4 have a circular or oval cross section, and preferably a planar seating portion 5 having a flat bottom surface is provided in order to ensure a sufficient adhesion area to the moisture-proof sheet 2 (see FIG. 2 and 3).

  Next, the construction method of the airtight material 1 according to the present invention will be described. In the case of the illustrated airtight material 1 for the corner portion, the moistureproof sheet 2 is placed on the corner portion of the foundation 20 with the moisture-proof sheet 2 facing up, and the linear airtight material 7 is joined to both ends thereof (see FIG. 4). Although not shown, when there is an anchor bolt, it is penetrated through the moisture-proof sheet 2. The airtight material 7 is formed by running a plurality of (typically two) rod-like or tubular elastic packing materials 9 and 10 in parallel from one end of the tape-shaped moisture-proof sheet 8 to the other end. Similarly, the non-adhesive portions 6 may be provided at both ends of the elastic packing materials 9 and 10, and the elastic packing materials 9 and 10 are bonded to the moisture-proof sheet 8 over the entire length without providing the non-adhesive portions 6. Also good.

  In joining the airtight material 7, the moisture-proof sheet 2 of the non-adhesive portion 6 of the airtight material 1 is rolled up, and the elastic packing materials 3 and 4 of the non-adhesive portion 6 are left on the foundation 20, and the airtight material 7 is left. The end of 7 is overlapped with the end of the airtight material 1. Therefore, the moisture-proof sheet 8 of the airtight material 7 comes to the lower side of the moisture-proof sheet 2 of the airtight material 1. At this time, since the elastic packing materials 3 and 4 of the airtight material 1 and the elastic packing materials 9 and 10 of the airtight material 7 overlap each other, the end portions of the elastic packing materials 3 and 4 of the non-bonded portion 6 in a movable state are attached. Move to the inside and fit between the elastic packing materials 9 and 10 (see the upper overlap portion in FIG. 4), or move one to the inside and move the other to the outside (see the lower overlap portion in FIG. 4). Thus, overlapping of the elastic packing materials can be avoided. Then, when the end portions of the elastic packing materials 3 and 4 are moved and separated as described above, they are brought into close contact with the elastic packing materials 9 and 10 by their restoring force, so that no gap is formed.

  Bonding between the airtight materials 1 or between the airtight material 1 and the airtight material 7 in the straight portion of the outer periphery of the foundation 20 is performed in the same manner as described above, and the subsequent steps such as installation of the base are the conventional airtight construction. Is the same as

  Although the present invention has been described in some detail with respect to its most preferred embodiments, it will be apparent that a wide variety of different embodiments can be constructed without departing from the spirit and scope of the invention, the invention being defined by the appended claims. It is not restricted to the specific embodiment other than limiting in.

It is a top view of one embodiment of an airtight material concerning the present invention. It is the sectional view on the AA line in FIG. It is the BB sectional view taken on the line in FIG. It is a figure which shows the construction method of the airtight material which concerns on this invention. It is a perspective view which shows the structure and construction method of the conventional airtight material. It is a perspective view which shows the structure of the conventional airtight material, and another construction method. It is a top view which shows the structure of the conventional airtight material, and another construction method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Airtight material 2 Moisture-proof sheet 3 Elastic packing material 4 Elastic packing material 5 Seating part 6 Non-adhesion part 7 Airtight material 8 Moisture-proof sheet 9 Elastic packing material 10 Elastic packing material 20 Basics

Claims (5)

  From one end of the tape-shaped moisture-proof sheet to the other end, a plurality of rod-like or tubular elastic packing materials are run side by side, and both ends of each elastic packing material are appropriately lengths from the ends of the moisture-proof sheet, An airtight material, wherein the airtight material is movable without being fixed to the moisture-proof sheet.   The airtight material according to claim 1, wherein the moisture-proof sheet has a right-angle shape.   The airtight material according to claim 2, wherein the elastic packing material has a right-angle shape or an arc shape.   The airtight material according to any one of claims 1 to 3, wherein two elastic packing materials are arranged.   The airtight material according to any one of claims 1 to 4, wherein the elastic packing material has a circular or oval cross section and includes a seating portion for securing a sufficient adhesion area to the moisture-proof sheet.

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