JPH0437509A - Manufacture of heat insulating material - Google Patents

Abstract

PURPOSE:To obtain heat insulating board, which is free from void and strongly withstanding compression, by a method wherein stirred synthetic resin liquid is poured and sprayed from a plurality of holes or slits, which are provided on the face having the length corresponding to the effective width of lower metal hoop member and being parallel and opposite to lower conveyor face, of the pouring distributing pipe of the stirred synthetic resin liquid directly connected to a stirrer. CONSTITUTION:The lower metal hoop member 1 is symmetrical to centerline having deep inside pockets. A distributing pipe 4 of stirred synthetic resin liquid directly connected to a synthetic resin liquid stirrer 3 is positioned parallel to lower conveyor 8. The stirred synthetic resin liquid 6 is uniformly poured and distributed on the lower metal hoop member 1 from a plurality of pouring holes 5 of stirred synthetic resin liquid cut at position normal to the conveyor below the distributing pipe 4. When voids develop in the stirred synthetic resin liquid 6 between the lower metal hoop member 1 and upper metal hoop member 2, which is urged on the lower metal hoop member 1, the distributing pipe 4 of the stirred synthetic resin liquid is traversed horizontally. Further, when the thickness of the lower metal hoop member 1 is uneven or symmetrical to centerline, the pouring holes 5, the size of which changes from large holes 5A to small holes 5B, are cut on the distributing pipe 4 of the synthetic resin stirring liquid.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method of using a heat insulating material used for roof members, wall members, and floor materials of buildings.

[Conventional technology]

One synthetic resin liquid stirrer was injecting and dispersing onto the metal hoop material below while traversing.

[Problem that the invention seeks to solve]

5 composite 4 on the metal hoop material below! When the I-fat stirred liquid is traversed with one stirrer, it is difficult to spray it on the constricted areas at both ends, and empty areas are created at both ends. or,
If the shape of the metal hoop material below is not uniform in thickness,
In the case of left-right asymmetry, if there is only one stirrer, a liquid shortage situation will occur.

The present invention was conceived to solve the above problems.

[Means for solving problems]

The lower metal hoop material is designed to be compatible with the following shapes and structures: ■ A structure with deep pockets at both ends. ■ A structure with uneven thickness. ■ A structure with asymmetrical left and right ends. This is a new innovation in the injection and distribution of synthetic resin stirring liquid.

That is, the method of 11!1 involves shaping the lower metal hoop material into a desired shape, conveying it continuously on the lower conveyor, and injecting and dispersing a synthetic resin stirring liquid onto the shaped metal hoop material. Next, in the method of producing heat insulating material by continuously transporting metal hoop material or paper on the upper conveyor and pressurizing it with the upper and lower conveyors, the synthetic resin stirring liquid injection amount is injected and sprinkled onto the lower metal hoop material. The piping is directly connected to the agitator and has a length corresponding to the effective width of the metal hoop material below.
A method for producing a heat insulating material is characterized in that a synthetic resin stirred liquid is injected and dispersed through a plurality of holes or slits formed in a portion facing parallel to the lower conveyor surface, and the second method is , is a method of using heat insulating material characterized by traversing (crossing repeatedly) the synthetic resin stirred liquid injection distribution pipe at 10 to 15C1@ in the first method, and the method of @3 is synthesized with the method of Jll. W! is a uniformly dispersed heat insulating material characterized by the size of the cut hole of the resin stirring liquid injection distribution pipe being set depending on the partial volume of the metal hoop material below. It is a method of sending.

The present invention will be explained based on the drawings.

FIG. 1 is a schematic sectional view in the direction of progress of manufacturing a heat insulating board according to the present invention.

The lower metal hoop material 1 has a symmetrical deep inner shape, and the synthetic resin agitation liquid distribution pipe 4 directly connected to the synthetic resin liquid agitator 3 is located parallel to the lower conveyor 8. A synthetic resin stirring liquid 6 is uniformly injected and distributed onto the lower metal hoop material 1 through a plurality of synthetic resin stirring liquid injection holes 5 cut at positions perpendicular to the lower conveyor. There is no problem if the synthetic resin stirred liquid 6 is foam-filled between the lower metal hoop material and the upper metal hoop material 2 (not shown) that are pressed into contact with each other without any voids, but if voids occur, the synthetic resin stirred fluid If the distribution pipe 4 is traversed from side to side with a width of 10 to 15 cm, or if the metal hoop material 1 below is uneven in thickness,
If the injection hole 5 is asymmetrical, the size of the injection hole 5 is changed to a large hole 5A or a small hole 5B by cutting the synthetic resin stirring liquid distribution pipe 4. At this time, if a gap occurs in the foam filling between the lower metal hoop material 1 and the upper metal hoop material 2 (not shown) that is pressed together, 1 synthetic resin stirring liquid distribution pipe 4 is Traverse (repeat crossing) with ~1501 width
let

The synthetic resin used in the present invention is rigid polyurethane foam or phenol foam.

〔effect〕

The insulation board manufactured by the present invention has no voids and has 7 air bubbles.
As shown in FIG. 3, a heat insulating board A that is resistant to compression was obtained using a vertically elongated press.

[Brief explanation of drawings]

Figures 1 and 2 are schematic cross-sectional views in the manufacturing foaming direction of the present invention.
Figure 2 shows a case where the thickness of the heat insulating board is uneven and the left and right sides are asymmetrical. FIG. 13 is a cross-sectional view of the heat insulating board, and is an explanatory diagram in which the synthetic resin foam cells are pressed. 1. Lower metal hoop material 2) Upper metal hoop material 3, Synthetic wood W & pumping device 4, Synthetic resin stirring liquid distribution pipe 5, Synthetic wood W & stirring liquid injection hole 5A, Synthetic II l fat stirring liquid injection hole size Hole 5B, synthetic wood n
Small hole for stirring liquid injection hole 6゜Synthetic resin stirring liquid 7, Synthetic resin foaming bubbles (unwanted) 8, Lower conveyor A, heat insulation plate

Claims (3)

[Claims] (1) The lower metal hoop material is molded into the desired shape and conveyed continuously on the lower conveyor, a synthetic resin stirring liquid is injected and sprinkled onto the molded metal hoop material, and then the upper conveyor In the method of manufacturing insulation materials by continuously transporting metal hoop material or paper and pressurizing it with upper and lower conveyors, the synthetic resin agitation liquid injection distribution pipe that is injected and dispersed onto the lower metal hoop material is directly connected to the stirrer. Then, inject the synthetic resin stirring liquid through multiple holes or slits that have a length corresponding to the effective width of the lower metal hoop material and are parallel to the lower conveyor surface. A method for producing a heat insulating material, which comprises spraying the material. (2) The method for manufacturing a heat insulating material according to claim 1, characterized in that the synthetic resin stirring liquid injection and distribution pipe is traversed (crossed repeatedly) with a width of 10 to 15 cm. (3) In claim 1, the uniform dispersion is characterized in that the cut hole of the synthetic resin stirred liquid injection distribution pipe has a size of the hole depending on the partial volume of the metal hoop material below. A method for manufacturing insulation materials.