JPH055998U - Mortar top coating concrete structure construction tool - Google Patents

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a tool capable of forming a groove on the surface of a base mortar in order to eliminate a peeling accident of the surface mortar. [Structure] A tool for forming a groove on the surface of a base mortar. This tool has a handle 9 and is provided with a trowel part 7 capable of sliding movement on the surface of the base mortar.
A through hole 7b is formed in the. Further, a duct portion 10 is provided on the back side of the iron portion 7, and the tip of the duct portion 10 is a side opening 1 which is opened at a right angle to the moving direction of the iron portion 7.
0a, and the other end side is a curved surface portion 10b communicating with the through hole 7b.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a construction tool for forming groove-like irregularities on the surface of a base mortar in order to eliminate peeling of mortar for attaching tiles and the like.

[0002]

[Prior art and its problems]

 Conventionally, when forming a wall surface of a tile, a base mortar is applied to the surface of a concrete skeleton, a mortar with a paste is applied to the surface of the base mortar, and a tile is attached through the mortar with a paste. If the adhesive strength of the attached mortar is weak, there is a problem that the attached mortar peels from the base mortar and the tile falls.

[0003]

[Means for Solving the Problems]

 The present invention was devised in view of the above conventional problems, and an object thereof is to provide a tool for forming irregularities on the surface of a base mortar in order to eliminate the peeling of the adhesive mortar from the base mortar. The gist is a tool for forming a groove on the surface of the mortar of a concrete structure whose surface is coated with mortar, wherein the tool has a handle and is slidably movable on the mortar surface. A plate-shaped iron part having a through hole penetrating to the back side, and a duct provided on the back side of the iron part, the tip of which is opened at right angles to the moving direction of the iron part and the other end of which is in communication with the through hole. It is to have a section.

[0004]

[Action]

 Before the base mortar applied on the surface of the concrete skeleton hardens, the iron part is brought into contact with the surface of the base mortar through the handle, and the iron part is slid along the mortar surface. The tip of the duct part on the back side of the iron part scrapes away the mortar, and the scraped mortar is passed through the duct part and discharged from the through hole of the iron part to the front side of the iron part. Grooves can be formed.

[0005]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional configuration diagram of a concrete structure in which tiles are attached to the surface. A concrete mortar 1 has a surface coated with a base mortar 2, and a surface of the base mortar 2 further has a bonded mortar 3. The tiles 4 and 4 are applied and then adhered through the adhered mortar 3, and conventionally, when a tile fall accident occurs, the adhered mortar 3 should be separated from the base mortar 2 and fall. In order to firmly integrate the adhesive mortar 3 with the base mortar 2, the grooves 5, 5, 5 are opened on the surface of the base mortar 2 before the base mortar 2 is hardened. The adhesive mortar 3 is infiltrated into the inside of 5, 5 and 5 so that the adhesive mortar 3 is firmly integrated with the base mortar 2.

In order to form the grooves 5, 5, 5, a tool 6 as shown in FIG. 2 is used in this example. This tool 6 has a flat iron piece 7 having an upwardly inclined portion 7a whose tip is inclined upward, and this iron portion 7 is formed with a through hole 7b penetrating to the back side. A rising metal fitting 8 is fixed to the surface of the iron part 7 in a rising shape by welding or the like, and a handle 9 is attached to the rising metal fitting 8 along the longitudinal direction of the iron part 7. A duct portion 10 is fixed to the back side of the iron portion 7 by welding or the like, and the duct portion 10 has a side opening 10a opened at a right angle to the longitudinal direction of the iron portion 7 at the tip and the other end side. Is a curved surface portion 10b communicating with the through hole 7b, and is formed in a hollow duct shape.

Such a tool 6 is used as shown in FIG. That is, holding the handle 9 by hand, as shown in FIG. 3, the iron portion 7 is brought into contact with the surface of the base mortar 2 and the iron portion 7 is slid laterally along the surface of the base mortar 2. Since the side surface opening 10a of the duct part 10 is opened at right angles to the moving direction of the iron part 7, the mortar of the base mortar 2 is scraped off and the scraped mortar is guided into the duct part 10. Further, the mortar that has entered the duct portion 10 is pushed up from the curved surface portion 10b and pushed out to the surface side of the iron portion 7 through the through hole 7b. Therefore, when the iron part 7 is moved laterally along the base mortar 2, the mortar is continuously scraped off by the side opening 10a, and the scraped mortar is discharged from the through hole 7b to the front side of the iron part 7. Grooves 5 are formed on the surface of the base mortar 2 with good continuity. Since the tip portion of the iron portion 7 is the upwardly inclined portion 7a, it can be slidably moved on the surface of the base mortar 2.

In this way, when the tool 6 is moved laterally one after another on the surface of the base mortar 2 to form the grooves 5, 5, 5 and then the adhesive mortar 3 is applied to the surface, the adhesive mortar 3 is applied. The mortar 3 enters the groove 5 and is firmly integrated with the base mortar 2 so that the sticking mortar 3 is not peeled off from the base mortar 2. It should be noted that the duct portion 10 may be provided on the back side of the iron portion 7 by two or more, and two or more grooves 5, 5 can be formed at one time.

As described above, in the construction tool 6 of this example, the groove 5 is continuously formed in the base mortar 2, and the mortar in the groove 5 is sequentially discharged to the outside from the through hole 7b. Good grooves 5 can be formed without unevenness.

[0010]

[Effect of the device]

 The present invention relates to a tool for forming a groove on the surface of the mortar of a concrete structure whose surface is coated with mortar, which tool has a handle and is slidably movable on the surface of the mortar to the back side. A plate-shaped iron portion having a through-hole penetrating therethrough, and a duct portion provided on the back side of the iron portion, the tip of which is opened at right angles to the moving direction of the iron portion and the other end of which is in communication with the through-hole. With this, the trowel is pressed against the surface of the base mortar before the base mortar is cured, and the trowel is moved to scrape off the mortar in the duct part, and the mortar is exposed from the through hole to the outside. Grooves can be continuously formed while discharging, and when the adhesive mortar is applied to the surface of the base mortar, the adhesive mortar bites into the formed grooves and is firmly integrated with the base mortar. Not peeling The concrete structure is obtained.

[Brief description of drawings]

FIG. 1 is a cross-sectional configuration diagram of a concrete structure in which tiles are attached to the surface.

FIG. 2 is a perspective configuration diagram of a construction tool.

FIG. 3 is an explanatory view of a construction state by the construction tool of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Concrete skeleton 2 Base mortar 3 Cement mortar 4 Tile 5 Groove 6 Construction tool 7 Trowel part 7a Upward tilted part 7b Through hole 9 Handle 10 Duct part 10a Side opening 10b Curved part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tetsuya Ito 5-1 Koioehoncho, Tokoname-shi, Aichi Stock company Inatsusu Co., Ltd. (72) Inventor Harui Fujii 5-1-1 Koioehoncho, Tokoname-shi, Aichi Stock Company In the Inatsukusu

Claims (1)

Claims for utility model registration 1. A tool for forming a groove on the surface of the mortar of a concrete structure whose surface is coated with mortar, the tool having a handle. And a plate-shaped iron portion having a through hole penetrating to the back side, which is slidably movable through the A tool for constructing a mortar-topped concrete structure, comprising a duct part communicating with the through hole.