JPS6030275B2 - Manufacturing method of double layer rock wool laminate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing a two-layer rock wool laminate, and more specifically, a wet rock wool board having a travertine pattern is dried and cured on an already cured dry rock wool board to form a travertine pattern on the surface. The present invention relates to a method for manufacturing a two-layer rock wool laminate.

Normally, when a wet rock wool board that creates a travertine pattern is layered thinly on a dry rock wool board after curing, and the latter is dried and hardened to integrate the two, there is a problem that warping occurs in the final molded laminate. there were. The present invention has been made in view of the above points, and its main purpose is to transform a wet rock wool board that creates a travertine pattern into a laminated board made by integrating the two on a dry rock wool slope after curing. To provide a method for producing a two-layer rock wool laminate that can be dried and cured without warping.

The present invention will be described in detail with reference to embodiments shown in the figures below.

The method for manufacturing this layered rock wool board according to the present invention is to laminate an unhardened wet rock wool board 2 on a dry hardened dry rock wool board 1, and then hot press to cover the top surface of the wet rock wool board 2. While applying pressure to the dry rock wool board 1 over the entire surface of the wet rock wool board 2 using the board 3 and heating the wet rock wool board 2, wet rock wool is applied through the through holes 4 distributed over the entire surface of the hot press board 3. It is characterized by releasing the moisture accompanying the curing of item 3. The dry rock wool board 1 is a board with sound absorbing properties made of fibrous rock wool that is hardened to a certain size after being made into paper.A so-called wet traverse cap and Uncured wet rock wool plates 2 obtained by paper-making granular rock wool called granular rock wool are laminated, and this wet rock wool slope 2 is formed on a dry rock wool plate 1 to have the same dimensions and approximately the same thickness as the dry rock wool plate 1. At the same time, after applying an appropriate pattern to the surface, both rock wool plates 1 and 2 are pressed between a hot press plate 3 and a template 5, in which a large number of vertically penetrating holes 4 are evenly distributed, and a template 5. , the wet rock wool board 2 is heated to 100 to 13,000 ℃ using the heated hot press board 3 and then dried.
The rock wool board 1 is integrated with the rock wool board 1 to obtain a rock wool board with a two-layer structure, and the surface of the obtained rock wool board is appropriately cut to form a final molded product. As described above, the present invention involves heating and pressing a wet rock wool board to be laminated on a dry rock wool board using a hot press board.
During the drying and curing process of the wet rock wool board, moisture can escape from the surface of the wet rock wool board, allowing moisture to escape through the holes in the hot press board as the wet rock wool board dries and hardens. This method has the advantage that warpage can be suppressed in the two-layer laminate obtained by curing the wet rock wool board on the board.

[Brief explanation of drawings]

The figure is a schematic diagram showing one embodiment of the present invention, in which 1 is a dry rock wool board, 2 is a wet rock wool board, 3 is a hot press board, and 4 is a through hole.

Claims (1)

[Claims] 1 Layer an uncured wet rock wool board on a dry and hardened dry rock wool board, and use a hot press board to cover the top surface of the wet rock wool board to form a dry rock wool board over the entire surface of the wet rock wool board. A method for producing a two-layer rock wool laminate, characterized in that while pressurizing and heating the wet rock wool board, moisture accompanying the hardening of the wet rock wool is released through holes distributed over the entire surface of the hot press board.