JPS639698Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to the improvement of architectural boards, and more specifically, a soft foamed synthetic resin layer 3 is formed between a surface material 1 and a backing material 2, and the soft foamed synthetic resin layer 3 is
This relates to a construction board made of an exposed end surface.

In the case of the conventional architectural board A', as shown in FIG. 6, it is necessary to separately provide connecting engagement parts 7 at both ends of the construction board A', and if the base material 4 is hit by a hard object (such as a hammer during construction), There was a problem in that the urethane resin 6 did not function as a cushioning material and cracks occurred.

The present invention was developed in view of the above points, and its purpose is to create a structure that eliminates the need to separately form a connecting engagement part, and that can absorb external impacts and prevent cracking. The objective is to provide a board for use.

Hereinafter, the present invention will be explained in detail based on illustrated embodiments. The architectural board A is composed of a soft foamed synthetic resin layer 3 sandwiched between a front surface material 1 and a back surface material 2 in a sandwich-like manner, and the end surface of the soft foamed synthetic resin layer 3 is exposed. The soft foam synthetic resin layer 3 is made of soft foam urethane resin or the like. The surface material 1 is made of aluminum, iron, hard synthetic resin, or the like. The back material 2 is made of hard urethane, aluminum foil, or the like with low air permeability. Therefore, even if the cells in the soft foamed synthetic resin layer 3 are of the open type, the presence of the surface material 1 and the back material 2, which have low air permeability, provides the same insulation effect as that of closed cells. FIG. 3 shows the state of construction of architectural board A using jointer 8. In figure a, the jointer 8 is fixed to the mounting material 10 with nails 9, and each insertion piece 12 of the T-shaped connecting part 11 of the jointer 8 is connected to the soft foam synthetic resin layer 3 of the adjacent architectural board A. It is inserted into the end face. In Figure b, adjacent architectural boards A are connected by each insertion piece 12 of the Y-shaped connecting part 11 of the joiner 8 so as to form an inside corner.

In this invention, as described above, a soft foamed synthetic resin layer is formed between the front material and the backing material, and the end face of the soft foamed synthetic resin layer is exposed. It can be inserted into the end face, so there is no need to prepare connecting engagement parts on both ends of the construction board in advance, and the impact applied to the face material can be absorbed by the soft foam synthetic resin layer, preventing cracks. This has the advantage of being less likely to occur.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a conventional construction board, FIG. 2 is a sectional view of the construction board of the present invention, and FIGS. 3a and 3b are sectional views showing the construction state of the same construction board, 1 is a surface material, 2 is a back material, and 3 is a soft foam resin layer.

Claims (1)

[Scope of utility model registration request] A construction board comprising a soft foamed synthetic resin layer formed between a surface material and a backing material, and an end surface of the soft foamed synthetic resin layer exposed.