JPS6331381B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a honeycomb core panel.

Conventionally, a panel shown in FIG. 1 has been proposed as a panel for building materials such as houses. That is, a honeycomb core 2 is inserted into a rectangular panel frame 1 made of channel steel, and surface plates 3 and 4 are bonded to both surfaces of the honeycomb core 2. The honeycomb core 2 is made of paper impregnated with resin and is freely foldable. This honeycomb core 2 is stored in a folded state and is expanded when inserted into the panel frame 1. When attaching the top plates 3 and 4, an adhesive is applied to the back surfaces of the top plates 3 and 4, and the top plates 3 and 4 are bonded to the honeycomb core 2 and the panel frame 1 using a hot press. However, since the adhesive is applied to the entire back surface of the top plates 3 and 4, the adhesive is applied to areas not necessary for adhesion, resulting in a problem in that a large amount of adhesive is wasted.

Therefore, an object of the present invention is to provide a method for manufacturing a honeycomb core panel that can significantly reduce the amount of adhesive used.

An embodiment of this invention is shown in FIGS. 3 to 5. That is, this method for manufacturing a honeycomb core panel includes the steps of preparing a honeycomb core 2 in a folded state, and immersing the honeycomb core 2 in a folded state in a liquid adhesive in an adhesive tank 5 to prepare the honeycomb core 2. A step of applying adhesive to both end faces (FIG. 3), a step of expanding the honeycomb core 2 coated with this adhesive and fitting it into the panel frame 1 (FIG. 4), This method includes the step of adhering surface plates 3 and 4 (FIG. 1) to both end faces of the base plate. The honeycomb core 2, panel frame 1, and surface plates 3 and 4 are the same as those of the conventional example. In the step of applying the adhesive to the honeycomb core 2, the honeycomb core 2 is turned upside down and the adhesive is applied only to the end faces of the honeycomb core 2. Surface plate 3, 4
When pasting, an adhesive is applied to the panel frame 1, and the surface plates 3, 4 are bonded to the honeycomb core 2 and the panel frame 1 is bonded at the same time. This adhesion is performed by hot pressing by sandwiching the pieces between top and bottom hot platens.

In this way, since the adhesive is applied to the end face of the honeycomb core 2 and not to the surface plates 3 and 4, there is no waste of adhesive, and the amount of adhesive used is reduced to about 1/10 of the conventional method. can be reduced. Further, since the honeycomb core 2 is immersed in the adhesive tank 5 in a folded state, the adhesive tank 5 can be made small. The honeycomb core 2 is usually stored in a folded state, and it is easy to work because it can be immersed in the adhesive bath 5 in the folded state.

In the above embodiment, the upper and lower surface plates 3 and 4 were bonded to the panel frame 1 at the same time, but the lower surface plate 4 was bonded to the panel frame 1 in advance, and then the honeycomb core 2 was bonded to the panel frame 1. You may also insert it.

As described above, in the method for manufacturing a honeycomb core panel of the present invention, the honeycomb core is immersed in an adhesive bath and adhesive is applied to the end face of the honeycomb core. Unlike the case where adhesive is used, no adhesive is wasted, and the amount of adhesive used can be significantly reduced. Moreover, since the honeycomb core is immersed in the adhesive tank in a folded state, a small adhesive tank is sufficient and the workability is also good.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a conventional panel, Fig. 2 is a partially exploded perspective view thereof, Fig. 3 is an explanatory diagram showing an adhesive application process in an embodiment of the present invention, and Fig. 4 is a sectional view of a conventional panel. FIG. 5 is a partial perspective view showing a state in which the honeycomb core is fitted and inserted, and is also a process explanatory diagram. 1...Panel frame, 2...Honeycomb core, 3,4
...Top plate, 5...Adhesive tank.

Claims (1)

[Claims] 1. A step of preparing a foldable honeycomb core, a step of immersing the honeycomb core in a folded state in an adhesive bath and applying an adhesive to the end face of the honeycomb core, and a step of applying an adhesive to the end face of the honeycomb core. A method for manufacturing a honeycomb core panel, comprising the steps of expanding and inserting it into a panel frame, and bonding a surface plate to the end face of the honeycomb core.