JPS60222205A - Method of forming split groove of ridge tile - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for forming grooves in a roof tile that does not require drying and facilitates dividing work during construction.

Noshi tiles form the ridge of a roof, forming a plate shape that curves gently toward both ends and gradually becomes thicker. Place one layer of flat-skinned Noshi tiles on the bottom tier, and on top of that, stack several tiers of Warinoshi tiles made by splitting tiles to a specified width, and then cover the top tier with a crown tile. The department is made up of

In this way, Noshi tiles are manufactured as symmetrical shapes with a constant width when molded, and when installed, they are divided into 7:3 or half the width, so conventionally press molding was used. In some cases, grooves are formed at locations corresponding to the splitting positions to serve as a guideline for splitting, but since such grooves are only placed as marks for the splitting positions, a cutter or similar tool is used on the roof during construction. The tool was lifted and the cutting tool was used to cut each sheet one by one according to the marked grooves, which was very time consuming and resulted in extremely low work efficiency.

Therefore, it is conceivable to form a deep groove as a mark 1 at the time of division so that the tiles can be divided at a predetermined position simply by hitting with a hammer, etc. However, if the groove is formed deep during molding, During the correction suppression action in the trial fitting process, unreasonable force acts intensively on the grooves where the thickness of the board is thin and internal distortion occurs, resulting in shape deformation and deformation at the grooves when the molded material dries. Since cracks often occur, resulting in defective products, it has not been possible to form dividing grooves deep enough to omit the use of a cutter.

In view of these drawbacks, the present invention makes it possible to form deep grooves for dividing into a tile product by using a cutter to carve a dividing groove at a predetermined position on the back side of the tile after the molding and drying process when the tile is blank. An embodiment of the present invention will be described below with reference to the drawings, with the aim of solving the above-mentioned drawbacks by providing a method for forming grooves in rolled tiles. It curves gently towards the direction and gradually forms a plate shaped like a hominid.
On the back side, grooves 2 for dividing at the time of construction are formed at arbitrary positions, such as where the width is divided into 783, or where it is divided into halves, over the entire length in the longitudinal direction.

The grooves 2 are formed to a depth that allows the tiles 1 to be easily divided along the grooves 2 when the tiles 1 are hit with a hammer or the like during construction.

In the present invention, grooves 2 are carved in the white background 3 of the roof tile 1 which has been tested and straightened after press molding and has been dried.
In the process of conveying from the drying process to the next glazing process, a cutter 5 such as a grinding wheel disk or a sharp cutting blade whose rotation is controlled is disposed at a position opposite to the upper part of the conveyor 4, and the cutter 5 is used to roll the tile 1. By adjusting the position in the width direction corresponding to the carved position of the groove 2 in , and adjusting the vertical position corresponding to the carved depth of the groove 2, a white background 3 is formed on the back side of the tile l. Predetermined grooves 2 are created during the conveyance process.

In short, the present invention provides a fun roof tile 1 that has undergone a molding and drying process.
Since the cutter 5 is used to cut the split groove 2 at a predetermined position on the back surface at the blank background 3 stage, the formation of the split groove 2 may cause deformation, distortion, cracks, etc. in the molded product of the roof tile 1. There is no fear, and therefore the dividing grooves 2 can be formed relatively deep, so that during construction, the craftsman can easily split the tiles 1 at predetermined positions by simply hitting the tiles 1 with a hammer or the like. The practical effects of this method are enormous, such as the ability to significantly improve work efficiency compared to the conventional method of lifting a cutting machine onto the roof to perform the cutting.

Figures 1 and 2 are perspective views of the tile, and Figure 3 is a diagram showing the process of carving the grooves.

1 Noshi tile, 2 split grooves, 3 white background that's all Applicant Iwatomi Co., Ltd. Agent: Patent Attorney Kai Nishiyama - Figure 1 /

Claims (3)

[Claims] (1) A method for forming grooves on a Noshi tile, which is characterized in that a cutter is used to carve a groove at a predetermined position on the back of the Noshi tile that has gone through a molding and drying process when the tiles are blank. (2) A method for forming grooves in a tile according to claim 1, characterized in that the grooves are created at positions that divide the white background of the tile into a width of 7:3. (3) The method for forming grooves on a tile according to claim 1, characterized in that the grooves are carved at positions where the white background of the tile is divided into half widths.