JP2001020514A - Rubber spatula for sealing work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide rubber spatulas for sealing work which enable selecting and using the spatula whose shape is suited for any type of work in accordance with a site where a sealing material is buried, which can exhibit flexibility and rigidity as needed according to an uneven surface at a sealed portion, and which enable long-term use of the spatula by providing many service surfaces of the spatula. SOLUTION: This rubber spatula includes a circular spatula 1 shaped to have approximately circular spatula portions 4 provided at both ends of a strip-shaped handle portion 1, and a rectangular spatula 2 provided in such a manner that the handle portion 5 and the spatula portions 4 are not separable from each other. Two of the circular spatula 1 and the rectangular spatula 2 are used in a pair. The spatulas are made of hard rubber into plate shapes and one or plural rather elastic cores 3 are longitudinally buried therein.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber spatula for use in smoothing the surface of a sealing portion when performing work for incorporating a sealing material in a residential building or the like.

[0002]

2. Description of the Related Art Conventionally, a spatula used for sealing work includes a metal plate attached to a separate handle, a laminate of several types of hard sponges, and a wide brush-type rubber spatula formed by using hard rubber. In some cases, the rubber spatula was attached to a separate handle via a metal plate embedded in the rubber spatula, or the rubber spatula was directly attached to the handle without using a metal plate.

[0003]

Among the various types of spatula described above, the one in which a metal plate is attached to a handle has a drawback that the spatula does not adapt to the irregularities of the construction surface and can be wiped off because the material of the spatula is hard. Also, if a sponge with a hard sponge or a hard rubber attached to the handle is softened to make it conform to the unevenness of the construction surface, the spatula may enter the sealing surface and cut off the sealing material. In addition, there is a drawback that when it is too hard, it does not fit into the unevenness of the construction surface, and when it is intended to strengthen the waist, it has a drawback that the thickness increases and it becomes difficult to work in narrow places.
In addition, the one with a structure where the spatula is attached to a separate handle,
Since there are only two usable surfaces, a front surface and a back surface, there is a problem that if both surfaces are worn, they cannot be used.

Accordingly, the present invention can select and use a spatula having a shape suitable for a working mode in accordance with a place where a sealing material is to be embedded, and appropriately flexibly correspond to an uneven surface of a sealing location. An object of the present invention is to provide a rubber spatula for sealing work in which a spatula can be used for a long period of time by providing spaciousness and rigidity and providing a large number of use surfaces of the spatula.

[0005]

According to the present invention, a circular spatula 1 having a substantially circular spatula portion 4 provided at both ends of a band-like handle portion 5, and the handle portion 5 and the spatula portion 4 are inseparable. A rubber spatula comprising a rectangular spatula 2 having a rectangular shape and provided in a shape, wherein the circular spatula 1 and the rectangular spatula 2 are used as one set, and each spatula is made of hard rubber. It is formed in a plate shape, and is configured by embedding one or a plurality of slightly elastic core members 3 in the longitudinal direction inside thereof.

According to the present invention, the rectangular spatula 2 is cut along the core 3 in the longitudinal direction to form a plurality of rectangular spatula 2A, 2B having the same area or different areas. The circular spatula 1 is cut to form a circular split spatula 1A provided with a spatula portion 4 at only one end thereof, and the circular split spatula 1A is detachably attached to a separate handle 6. It is.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The rubber spatula for sealing work of the present invention is provided so as to use a circular spatula 1 and a rectangular spatula 2 as one set. The circular spatula 1 has a narrow entrance. It is suitable for sealing work in deep places, and the rectangular spatula 2 is suitable for sealing work in a large area. Therefore, an appropriate spatula should be selected and used according to the work form on the spot. . In addition, since each spatula has a handle portion 5 in the vicinity of the center thereof, the spatula 4 is held at an arbitrary position convenient for the operator, and both ends are spatula portions 4. Both the front and back surfaces have the same shape, and the working surface of the spatula portion 4 is provided at four places. Therefore, the front surface or the back surface of either end is appropriately selected and used. ing.

In the rectangular spatula 2, by cutting the gap between the plurality of embedded cores 3, a plurality of the rectangular split spatula 2, which is more elongated than the rectangular spatula 2, is cut.
A and 2B can be formed.
According to the cutting position of the rectangular shaped spatula 2A,
2B, or rectangular split spats 2A and 2B having different sizes can be formed.

When the circular split spatula 1A formed by cutting the circular spatula 1 is attached to a separate handle 6, a fitting projection 7 is provided at the rear end of the circular split spatula 1A. A fitting hole 8 is formed inside the handle 6 so that the two are fitted and fixed. At this time, since the fitting projection 7 has flexibility, it passes through the fitting hole 8 which is provided slightly narrower while deforming the wall of the fitting hole 8, and then the bottom of the fitting hole 8 which is provided slightly wider. To return to the original shape and fix it.

[0010]

An embodiment of the present invention will be described with reference to the drawings. In the drawing, reference numeral 1 denotes a rubber spatula having a substantially circular spatula portion 4 integrally provided at both ends of a handle portion 5 formed in an elongated strip shape, which is referred to as a circular spatula in the present invention. It is. The circular spatula 1 is formed as a single plate by hard rubber, and has a slightly elastic synthetic resin plate as shown in the imaginary line of FIG. 1 and FIG. A core 3 formed using a metal plate is embedded. The core body 3 extends from approximately the center of the left-hand spatula portion 4 to approximately the center of the right-hand spatula portion 4. The spatula portion 4 has flexibility, elasticity, and rigidity. This is a structure with different elements. In addition, in the present invention, since both the front surface and the back surface of the spatula portion 4 have the same shape, four surfaces that can be used as the spatula portion are provided for one circular spatula.

Reference numeral 2 in the drawing denotes a rubber spatula whose entire shape is formed in a rectangular shape and which is referred to as a rectangular spatula in the present invention. This rectangular spatula 2 is also formed in a single plate shape using hard rubber, similarly to the circular spatula 1, but this rectangular spatula 2 is such that the handle 5 and the spatula 4 are inseparable. The handle portion 5 is not particularly specified except that the both end portions are the spatula portions 4. Furthermore, since the above-mentioned two cores 3 are also buried inside the rectangular spatula 2, the spatula portion 4 can exhibit flexibility and elasticity, and a pressing pressure can be applied. The structure has such rigidity. The structure in which one rectangular spatula is provided with four surfaces that can be used as a spatula is also the same as described above. In this embodiment, an example is shown in which two cores 3 are buried, but the number of the cores 3 is not limited to two.

Next, another embodiment of the present invention will be described with reference to FIG. In this embodiment, the rectangular spatula 2 shown in FIG. 1 is cut at the center in the longitudinal direction to form two rectangular spatula 2A and 2B. The two rectangular spatula 2A and 2B have the same shape with the core 3 provided at the center thereof, but the position of the core 3 embedded in the rectangular spatula 2 in FIG. 1 is changed. The cutting position is changed or the cutting position is changed to form the narrow rectangular spatula 2A and the wide rectangular spatula 2B, or the inside of the rectangular spatula 2 in FIG. By embedding the core 3, the core 3
The rectangular split spatula is formed by other appropriate methods such as forming a narrow rectangular split spatula 2A having one embedded core and a wide rectangular split spatula 2B having two cores 3 embedded therein. It may be formed in a simple shape.

Next, still another embodiment of the present invention will be described with reference to FIGS. In this case,
The circular spatula 1 of FIG. 1 is cut orthogonally to form a circular split spatula 1A having a spatula portion 4 provided only at one end thereof, and the circular split spatula 1A is shown in FIG. It is designed to be removably attached to a handle 6 having a circular or elliptical cross section. In this case, as shown in FIG. 5, the mounting mechanism for both the fittings is such that a fitting projection 7 is provided at the rear end of the circular split spatula 1A, and a fitting hole 8 is formed inside the handle 6. Are fitted and fixed. Since the fitting projection 7 in this case has flexibility, the fitting projection 7 is provided slightly wider after passing through while deforming the wall of the fitting hole 8 provided slightly narrower. It is configured to return to the original shape and fix after reaching the bottom. In the case of removing both, by pulling the circular split spatula 1A outward, it is possible to separate them by following the reverse process. The method of mounting the circular split spatula 1A and the handle 6 is not limited to such a fitting and fixing method, and any known mounting method may be employed. Although not shown, it is also possible to cut the rectangular split spatula 2A of FIG. 3 further orthogonally and attach a part of the cut rectangular split spatula 2A to the handle 6 of the present embodiment. is there.

Although not shown, it is more preferable that the surface of the rubber spatula in the present invention is subjected to a film coating treatment using a non-adhesive surface treatment agent such as fluorine, silicon, or wax. This is to prevent the sealing material attached to the surface of the rubber spatula from hardening gradually at the time of construction and if the surface of the rubber spatula becomes uneven with the solidified sealing material, the wiping of the construction surface can be left behind and the finish will not be deteriorated. By applying a coating treatment to the surface of the rubber spatula, the sealing material is hardly adhered, and a uniform and smooth finishing effect can be obtained.

The present invention is configured as described above.
Although the circular spatula 1 and the rectangular spatula 2 shown in FIG. 1 are used as a set of two, it is also possible to sell these spatulaes independently. Combine with the rectangular split spatula 2A, or
It is preferable to appropriately select a spatula to be used in accordance with the construction form of the sealing work, such as combining the spatula 1A with the circular split spatula 1A.

In the rubber spatula for sealing work of the present invention, the circular spatula 1 is suitable for sealing work deep in a narrow entrance, and the rectangular spatula 2 is suitable for sealing work in a wide area. The spatula that matches the place of use is selected. In addition, since each spatula has a handle portion 5 in the vicinity of the center thereof, the spatula 4 is held at an arbitrary position convenient for the operator, and both ends are spatula portions 4. Both the front surface and the back surface have the same shape, and the working surface of the spatula portion 4 is provided at four places. Therefore, the front surface or the back surface of any end portion is appropriately selected and used. .

[0017]

According to the rubber spatula for sealing work of the present invention, various types of spats such as a circular spatula, a rectangular spatula, a circular split spatula, and a rectangular split spatula can be used alone or in combination. , Corresponding to the shape of the sealing part such as the deep part of the narrow entrance or the large area,
The most suitable spatula can be selected and used, and the core is buried inside the spatula made of hard rubber, so it has a structure that can exhibit flexibility and rigidity as appropriate, so it is a sealing It has the enormous effect that any uneven surface can be surely made smooth, and if the surface of the rubber spatula is coated with a coating, further excellent workability can be realized. There is. Also, since the product of the present invention has a shape in which the center portion is a handle portion and four working surfaces of the spatula portions at both ends are held, the number of times of replacement of the rubber spatula due to wear of the spatula portion can be reduced, and There is an industrial advantage that it can contribute to savings and costs. Further, since the present invention has a simple configuration in which the core is simply embedded in the hard rubber plate, there is an advantage that an inexpensive product can be provided to the market.

[Brief description of the drawings]

FIG. 1 is a perspective view of a rubber spatula for sealing work of the present invention.

FIG. 2 is a sectional view of a rubber spatula of the present invention.

FIG. 3 is a partially cutaway plan view showing a state where a rectangular spatula is divided into the same shape and two rectangular spatulaes are formed.

FIG. 4 is a partially omitted exploded plan view of a circular split spatula.

FIG. 5 is a partially cutaway plan view showing a state where a circular split spatula is attached to a handle.

FIG. 6 is a sectional view taken along line AA of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Circular type spatula 1A ... Circular type split spatula 2 ... Rectangular type spatula 2A, 2B ... Rectangular type spatula 3 ... Core body 4 ... Spatula part 5 ... Handle Part 6: Handle 7: Fitting protrusion 8: Fitting hole

Claims (4)

[Claims] 1. A circular spatula in which a substantially circular spatula portion is provided at both ends of a band-like handle portion, and a rectangular rectangular spatula in which the handle portion and the spatula portion are provided inseparably. Equipped, each of the circular spatula and the rectangular spatula are formed into a plate shape by hard rubber, and in the longitudinal direction inside thereof,
A rubber spatula for sealing work, wherein one or a plurality of slightly elastic cores are buried. 2. The rubber spatula for sealing work according to claim 1, wherein the rectangular spatula is cut in the longitudinal direction along the core to form a plurality of rectangular spatula. 3. The above-mentioned circular spatula is cut to form a circular split spatula having a spatula portion only at one end thereof.
The rubber spatula for sealing work according to claim 1, wherein the circular split spatula is detachably attached to a separate handle. 4. The rubber spatula for sealing work according to claim 1, wherein the surface of the rubber spatula is subjected to a film coating treatment using a non-adhesive surface treatment agent.