JPH11325032A - Bolt cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the air in a cap from being compressed without impairing a sticking effect by boring an air discharge hole on the bottom section of the bolt cap fixed to the head section of an anchor bolt with a putty-like adhesive. SOLUTION: An adhesive 2 filled in a cap 1 extrudes air from an air discharge hole 7 bored on the bottom section of the cap 1 and is filled in the cap 1. After the prescribed quantity of the adhesive 2 is filled, the cap 1 is pressed to the head section of a bolt 3, the adhesive 2 covers the head section of the bolt 3, part of the adhesive 2 is moved to the bottom section side of the cap 1, and the remainder is extruded to the outside from a gap with a fixed face 10. The air in the cap 1 is not compressed, no rebound occurs on the covered cap 1, and the cap 1 can be surely fixed in contact with the fixed face 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bolt cap for fixing a head of an anchor bolt or the like using a putty-like adhesive, and covers a head of the anchor bolt or the fixing bolt for safety, rust prevention, and decoration. It is used from the point of view of preventing mischief and the like.

[0002]

[Prior art and its problems] As this kind of cap,
What is disclosed in Japanese Patent Publication No. 1-11763 is used. This cap 1 is a cup made of metal or synthetic resin. As shown in FIG. 1, the cap 3 is filled with a putty-like adhesive 2 through an opening, and a bolt 3 protruding from a fixing surface 10. It is pressed against the head and crowned, removing the adhesive extruded from the opening edge and fixing it as it is.

[0003] However, this cap 1 is
When the cap 1 is pressed against the cap, the cap 1 rebounds and the opening edge 4 rises up from the fixing surface 10, and the height of the cap 1 becomes uneven and the appearance is impaired. The cause is that when filling the cap 1 with the putty-like adhesive 2, the air 5 on the bottom side of the cap 1
Is left without being removed, and this air is compressed when the cap 1 is pressed against the head of the bolt 3, and when the hand is released, the compressed air 5 acts as a spring to lift the entire cap 1 up. (See FIG. 2). Therefore, the rebound height of the cap depends on the amount of air remaining in the cap when the adhesive is filled.

[0004]

The present invention provides a bolt cap 1 which is fixed to the head of an anchor bolt 3 or the like using a putty-like adhesive 2 so that air 5 in the cap 1 is not compressed without impairing the adhesive effect. The task was to make

[0005]

A technical means for solving this technical problem is to form an air discharge hole 7 in the bottom 6 of the cap.

The adhesive 2 filled in the cap 1 is filled in the cap 1 while pushing out the air 5 from a hole 7 formed in the bottom 6. After filling a predetermined amount of the adhesive, the cap 1 is pressed against the head of the bolt 3, and the adhesive 2 covers the head of the bolt 3, a part of which is directed to the bottom 6 side of the cap, and the rest is the opening 4. It is forcibly moved to the side. At this time, the air remaining in the bottom 6 of the cap is discharged from the hole 7 with the movement of the adhesive, and when there is no more air to be discharged, the adhesive is pushed out of the hole 7. On the other hand, the adhesive on the side of the opening 4 is
0 will be pushed out of the gap with
(A)). Therefore, the air remaining in the cap 1 is not compressed. Next, when the adhesive 2 extruded from the hole 7 and the opening 4 at the bottom of the cap 1 is removed and cured as it is (see FIG. 3B), the cap 1 exhibits the same adhesive effect as before. Become.

The cap 1 is made of metal such as stainless steel, galvanized steel plate, color steel plate, aluminum, etc.
Those made of synthetic resin can be used. When a synthetic resin material is used, the hole 7 can be easily formed at the time of molding. The adhesive used for fixing the cap 1 is a putty-like adhesive. In addition to epoxy-based, silicone-based, urethane-based, acrylic-based, and modified silicone-based adhesives, it is possible to use polysulfide or an adhesive-based sealing. it can. It will be appropriately selected according to the purpose of using the cap, but it is necessary to consider the gap and the adhesiveness to the bolt at the same time.

[0008]

As a result of the air in the cap not being compressed,
There is an advantage that rebound does not occur on the cap to be covered, and the cap can be securely brought into contact with the fixing surface and fixed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The cap 1 shown in FIG. 3 employs a configuration in which one hole 7 is formed in the center of a bottom 6, but a plurality of holes are formed along the periphery of the bottom 6. You may do it. The size, number, and arrangement of the holes are designed in consideration of the shape of the cap, the viscosity of the adhesive, and the like. In this embodiment, a cap is put on the entire head of the bolt on which the nut is screwed to provide a rust-preventive effect, and also has an effect that the nut is not removed by mischief.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a conventional cap mounting procedure.

FIG. 2 is a view showing a state where a cap is attached according to FIG. 1;

FIG. 3 is a schematic view of a mounting procedure using the cap according to the present invention.

[Explanation of symbols]

1 cap, 2 adhesive, 3 volts, 5 air, 7
Hole, 10 fixing surface

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Tetsuya Maekawa 3-24-19 Shimizu, Minami-ku, Fukuoka City, Fukuoka Prefecture Inside the Fukuoka Branch of Konishi Co., Ltd. (72) Yasunobu Uchiyama 3-chome, Shimizu, Minami-ku, Fukuoka City, Fukuoka Prefecture No. 24-19 Inside the Fukuoka branch of Konishi Co., Ltd.

Claims (1)

[Claims] 1. A bolt cap which is fixed to a head of an anchor bolt or the like using a putty-like adhesive, and has a hole for discharging air at the bottom.