JP3032011U - Spatula for caulking - Google Patents

Abstract

(57) [PROBLEMS] To provide a spatula that can be smoothly and beautifully filled with a caulking material and held. A pressing surface 2 is a flat surface, and a front surface 3 has a sloped surface 4 at a tip portion 5. The whole is foamed plastic.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a spatula for caulking.

[0002]

[Prior art]

 At a construction site, a caulking material is filled in a joint portion (joint) of an exterior material, and therefore, as a caulking spatula that holds down the caulking material, a metal such as that shown in (a) and (b) of FIG. 8 has hitherto been used. A spatula made of thin plates is often used. That is, in FIG. 8, (a) is a plan view and (b) is a side view, which is composed of a spatula body (holding portion) 41 and a handle portion 42.

[0003]

[Problems to be solved by the device]

 However, since the conventional spatula is a thin metal plate, it easily vibrates, and the vertical cross-section of the joint has small irregularities as shown in Fig. 7B, resulting in a rough and unsightly finish. In particular, since the surface of building exterior materials has recently become widely used with a large number of deep grooves and irregularities, such as tile or plate-like tones, the joint finish is the same as the conventional thin metal plate shown in Fig. 8. With a spatula made of wood, it was extremely difficult to make a rough and beautiful finish.

[0004]

[Means for Solving the Problems]

 Therefore, in the caulking spatula according to the present invention, the pressing surface corresponding to the caulking material is a flat surface, and the front surface opposite to the pressing surface is a sloped surface that gradually becomes thinner toward the tip. In addition, it is made of whole foamed plastic whose inclination angle is set to 10 ° to 40 °.

Further, the wear-resistant thin plate pieces are laminated and integrated at least at the tip of the pressing surface side. In addition, a concave portion for thumb contact was formed on one side surface, and a small corrugated portion for index finger contact was formed on the other side surface.

In addition, the left-right width dimension has a shape that gradually decreases from the predetermined intermediate position to the tip, and the start position of the inclined surface is set slightly closer to the tip than the intermediate position.

[0007]

[Embodiment of device]

 Hereinafter, the present invention will be described in detail based on the illustrated embodiments.

In FIGS. 1 and 2, the pressing surface 2 corresponding to the caulking material, which is entirely made of foamed plastic, is a flat surface. The front surface 3 opposite to the pressing surface 2 has a sloped surface 4 at the tip portion 5 which gradually becomes thinner toward the tip--the thickness dimension decreases.

The inclination angle θ of this slope 4 is set to 10 ° to 40 °. If the angle is less than 10 °, the length of the inclined surface 4 becomes excessively large, and the bending elastic deformation of the tip portion 5 during use becomes excessively large, which makes it difficult to use. The length becomes too small and the rigidity of the tip portion 5 becomes too large.

Then, the left and right one side surface 6 is formed with the thumb contact concave portion 7, and the other side surface 8 is formed with the index finger small concave and convex wave portion 9 ... 1 and 2 are for the right hand (right-handed), and as illustrated in FIG. 6 (when gripped by the two-dot chain line hand H), the left side and the right side corresponding to the thumb and forefinger, respectively. As shown in FIG. 1, the concave portion 7 and the small concave-convex corrugated portions 9 ...

Further, as is apparent from FIG. 1, the lateral width dimension W has a shape that gradually decreases from the predetermined intermediate position P to the tip, and further (in the example in the figure) a shape that gradually decreases to the base end. I am trying. The start position Q of the slope 4 is set slightly closer to the front end than the intermediate position P. In FIG. 1, the width W is gradually reduced from the intermediate position P to the base end 10 side to facilitate gripping.

Next, FIG. 3 shows the width dimension W of FIG. 1 enlarged, and in short, the tip end width dimension W _{5 having a} width dimension slightly larger than the width of the joint (joint) of the exterior material of the building. A spatula should be used (see Figure 6).

Next, as shown in FIG. 4 or 5, a wear-resistant thin plate piece 11 made of hard plastic or metal may be laminated and integrated on the pressing surface 2 side. In FIG. 4, it is provided only on the tip portion 5, and in FIG. 5, it is provided on the entire pressing surface 2. The durability of the body portion made of foamed plastic is remarkably improved by the wear-resistant thin plate piece 11.

FIG. 6 is an explanatory view of a state of use of the spatula 1 of the present invention configured as described above, in which the joint portion (joint portion, joint) of the exterior material 13 in which the concave grooves 12 ... Are deeply formed. ) 14 shows a state in which the caulking material C is filled and held.

Although an example in which the concave portion 7 and the small concave-convex corrugated portion 9 shown in FIGS. 1 and 3 are omitted is shown, this may be adopted. The work sequence is that the adhesive tapes (sealing tapes) 15 and 15 are attached in advance along both sides of the joint (joint) 14 and are slightly larger than the width w of the joint (joint). Using the spatula 1 having the width W ₅ of the tip portion, the pressing surface 2 is directed toward the caulking material C, and the caulking material C is pressed from top to bottom.

The spatula 1 of the present invention, which is made of foamed plastic material and has the inclined surface 4 and has a thin wall toward the tip as described above, has an uneven shape including the concave grooves 12 ... Corresponding to, the joint 14 having a flat (smooth) finished surface is obtained as shown by the dotted line in FIG.

That is, in FIG. 7A, the solid line exemplifies the vertical cross-sectional shape of the exterior material 13, along which the caulking material C is uneven and smooth (flat). Finished to give beautiful joints 14. This point is obvious by comparing with (B) of FIG. 7 showing the conventional finish, and the small unevenness (roughness) disappears. After that, by curing for a predetermined time and peeling off the tapes 15 and 15, filling of the caulking material C with a beautiful finish is completed.

The caulking material C adhered to the spatula 1 during work can be easily peeled and removed by curing, and the hands are not soiled. When the tip of the spatula ────────────────────────────────────────────────────────────────────────────────── ── If you use a cutter, you can cut it with a knife.

[0019]

[Effect of device]

 The present invention has the following significant effects with the above configuration.

(According to claim 1) Since the wall thickness is gradually reduced toward the tip, even if the outer covering material 13 has a large degree of unevenness, the spatula can be flexible and the caulking material C can be made smooth and beautiful. Finishing is possible (see the broken line in FIG. 7A). Further, by setting the inclination angle θ of the inclined surface 4 to be 10 ° to 40 °, a moderate flexibility (elasticity) of the spatula can be obtained, and it is possible to smoothly cope with (deform) the unevenness of the exterior material 13. , Smooth and beautiful caulking (joint) can be held. Moreover, it became possible to work without requiring much skill. The durability (lifetime) is extended (according to claim 2). (According to the third aspect), the thumb and forefinger do not slip, and the joint filling process of the caulking material C can be performed efficiently. (According to the fourth aspect) The rigidity gradually decreases from the intermediate position P to the tip, and further, the rigidity decreases further from the start position Q of the sloped surface 4, and the elastic deformation easily occurs. It becomes easy to peel off.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a plan view showing another embodiment.

FIG. 4 is a side view showing another embodiment.

FIG. 5 is a side view showing still another form.

FIG. 6 is an explanatory diagram of a usage state.

FIG. 7 is a vertical sectional view for explaining the operation.

FIG. 8 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 2 Pressing surface 3 Front surface 4 Gradient surface 5 Tip portion 6 One side surface 7 Recessed portion 8 Other side surface 9 Small uneven corrugated portion 11 Wear resistant thin plate piece W Width dimension P Intermediate position Q Start position θ Angle C Caulking material

Claims (4)

[Scope of utility model registration request] 1. The pressing surface 2 corresponding to the caulking material C is a flat surface, and the front surface 3 opposite to the pressing surface 2 has a sloping surface 4 which gradually becomes thinner toward the tip. The spatula for caulking, wherein the spatula is made of a whole foamed plastic having an inclination angle θ of the inclined surface 4 set to 10 ° to 40 °. 2. The caulking spatula according to claim 1, wherein the wear-resistant thin plate piece 11 is integrally laminated on at least the tip portion 5 on the side of the pressing surface 2. 3. The caulking spatula according to claim 1 or 2, wherein the left and right side surfaces 6 are provided with thumb-recessing recesses 7, and the other side surface 8 is provided with index finger-relieving corrugated wave portions 9 ... 4. The horizontal width dimension W has a shape that gradually decreases from a predetermined intermediate position P to the tip, and the start position Q of the slope 4 is set slightly closer to the tip than the intermediate position P. A spatula for caulking according to 1, 2, or 3.