JP4079666B2 - Construction method of sealing material and structure of injection cartridge nozzle used in the construction method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a construction method of a sealing material and a structure of an injection cartridge nozzle used in the construction method, and more specifically, a bolt / nut projecting from a construction surface of a building on the ground and a side surface of a structure in the sea or underwater. The present invention relates to a sealing material construction method for constructing a sealing material on the surface of a fixture, and a structure of an injection cartridge nozzle used in the construction method.
[0002]
[Prior art]
Conventionally, after fixing fasteners such as bolts and nuts on roofs using corrugated corrugated plates, etc., or on the outer wall of boards, etc., the outer periphery of the protruding part of the fixtures is made of sealing material for the purpose of waterproofing, corrosion prevention, etc. The sealing material was extruded from the injection cartridge and applied, and then finished with a spatula or the like.
[0003]
[Problems to be solved by the invention]
However, the above-described method has a problem that the appearance when the sealing material is applied is extremely poor, the sealing material is sag, and the construction thickness is likely to be uneven. In addition, since there is a lot of internal air, there is a problem that a dent or the like is generated in the appearance of the sealing material after construction, the amount of the sealing material used is increased, and the sealing material is wasted.
[0004]
The present invention has been devised by paying attention to such conventional problems, and can apply the sealing material uniformly, and there is no sagging of the sealing material, and the construction thickness can be made uniform. It is an object of the present invention to provide a sealing material construction method capable of improving the appearance afterwards and a nozzle structure of an injection cartridge used in the construction method.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, according to the present invention, a sealing material construction method according to the present invention includes a fixing member protruding from a construction object by mounting a cover member in a dedicated nozzle removably attached to an injection port of an injection cartridge. The gist is to press a dedicated nozzle against the construction surface through a cover member so as to cover the surface, and to extrude a predetermined amount of sealing material from the injection cartridge into the cover member so as to cover the outer peripheral surface of the fixture. It is.
[0006]
In addition, after filling the sealing material, the dedicated nozzle is removed leaving the cover member around the fixture, and the sealing material is cured while the shape is maintained by the cover member.
[0007]
As described above, when applying the sealing material to the fixture protruding from the construction object, the dedicated nozzle is pressed through the cover member, and the sealing material is pushed out from the injection cartridge by a predetermined amount so as to cover the outer peripheral surface of the fixture. After coating and sealing, and applying the sealing material, the sealing material is cured in a state where the shape is maintained by the cover member, so that the sealing material can be applied uniformly and there is no sagging of the sealing material, and the construction thickness Can be made uniform and the appearance after construction can be improved.
[0008]
In addition, the structure of the injection cartridge nozzle used in the sealing material construction method of the present invention includes a dedicated nozzle having a sealing material extrusion hole that is detachably attached to the injection port of the injection cartridge, and is fitted to the inner wall surface of the dedicated nozzle. The gist of the present invention is that the cover member is configured.
[0009]
The exclusive nozzle provided with the extrusion hole for the sealing material has a truncated cone shape in which a mounting portion that can be attached to and detached from the injection port of the injection cartridge is formed on one end side of the extrusion hole, and a cover member is detachably fitted to the other end side. And at least one air vent hole is formed on the outer peripheral surface of the dedicated nozzle, and the dedicated nozzle forms a notch that engages with the construction surface.
[0010]
The cover member may be one selected from rubber, resin, metal, paper, and antifouling rubber.
[0011]
In this way, the outer peripheral surface of the fixture protruding from the work object is used at the injection port of the injection cartridge by using a dedicated nozzle that covers the outer peripheral surface of the fixture and a cover member that retains and cures the shape of the sealing material. The sealant is securely covered with a sealing material, and the sealant is hardened in a state where the shape is held by the cover member without any darrel, so that the appearance after construction can be improved, and the construction work is simple and efficient. It is possible.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings.
[0013]
FIG. 1 is an exploded cross-sectional view of an injection cartridge used in the construction method for a sealing material of the present invention and a dedicated nozzle structure attached to the injection port. 1 is an injection cartridge filled with a sealing material Q, and 2 is an injection cartridge. Dedicated nozzle integrally formed with a resin material or the like that is detachably attached to one injection port 1a via a screw portion 2a, 3 is rubber, resin, metal, paper, antifouling rubber, etc. attached to the dedicated nozzle The cover member which consists of one material chosen from these is shown.
[0014]
The exclusive nozzle 2 is formed with an extrusion hole 4 for a sealing material Q at the center, and can be attached to and removed from an injection port 1a provided with a screw portion of the injection cartridge 1 on one end side of the extrusion hole 4 as described above. A mounting portion 5 composed of a simple screw portion is formed, and a truncated cone-shaped recess 6 into which the cover member 3 is detachably fitted is formed on the other end side.
[0015]
Further, in the circumferential direction on the other end side of the dedicated nozzle 2, for example, an air vent hole 7 is formed in at least one place as shown in FIG. It is also possible to form a notch 8 that engages with the form of the surface G, for example, a wavy uneven surface.
[0016]
Further, the cover member 3 is formed in a truncated cone shape so as to be fitted into the truncated cone-shaped recess 6, and a flange portion 9 that abuts the construction surface G is formed at the skirt portion thereof.
[0017]
As described above, when the cover member 3 is formed in a divergent shape with respect to the injection direction X of the sealing material Q, the sealing material Q can be easily removed after the injection, and the movement amount of the dedicated nozzle 2 can be reduced.
[0018]
Next, a method of applying the sealing material Q to the outer peripheral surface of the fixture 10 such as a bolt or nut protruding from the construction surface G of the construction object such as a roof using a corrugated sheet or the outer wall such as a board is illustrated. This will be described with reference to FIG.
[0019]
In this embodiment, the case where the fixing tool 10 protruding from the plain washer 12 covered with the rubber 11 is covered with the sealing material Q is shown.
[0020]
First, when applying the sealing material Q to the fixture 10 protruding from the construction surface G, the cover member 3 is fitted and mounted in the recess 6 of the dedicated nozzle 2, and the dedicated nozzle 2 is fixed via the cover member 3. Press against the surface of the rubber 11 so as to cover the tool 10.
[0021]
From this state, a predetermined amount of the sealing material Q is extruded from the injection cartridge 1 so as to cover and cover the outer peripheral surface of the fixture 10, and after the sealing material Q is applied, the cover member 3 remains and the dedicated nozzle 2 is removed. At this time, the air in the recess 6 can be discharged from the air vent hole 7 when the sealing material Q is filled.
[0022]
As a result, the shape of the sealing material Q covering the fixture 10 is maintained by the cover member 3, and the sealing material Q is cured in this state. As a result, the sealing material Q is uniformly applied by the cover member 3, and there is no sagging of the sealing material Q, the construction thickness can be made uniform, and the appearance after construction can be improved.
[0023]
In addition, although said embodiment demonstrated the case where the fixtures 10, such as a land structure, were coat | covered with the sealing material Q, the cover member 3 is made into antifouling rubber and the sealing material Q contains antifouling agent etc. Can be used even when the fixing member 10 protruding from the side surface of the structure imparted with antifouling properties such as in the sea and underwater is covered with the sealing material Q.
[0024]
【The invention's effect】
When applying the sealing material to the fixture protruding from the construction object as described above, the present invention presses the dedicated nozzle through the cover member and pushes the sealing material from the injection cartridge by a predetermined amount to After covering and covering the surface and applying the sealing material, the sealing material is cured in a state where the shape is maintained by the cover member, so that the sealing material can be applied uniformly and the sagging of the sealing material is prevented. In addition, there is an effect that the construction thickness can be made uniform and the appearance after construction can be improved.
[0025]
Further, the structure of the nozzle of the injection cartridge according to the present invention is constituted by a dedicated nozzle provided with a sealing material extrusion hole detachably attached to the injection port of the injection cartridge, and a cover member fitted and mounted on the inner wall surface of the dedicated nozzle. By using a dedicated nozzle that covers the outer peripheral surface of the fixture and a cover member that retains and hardens the shape of the sealing material at the injection port of the injection cartridge, the outer peripheral surface of the fixture protruding from the construction object Covers securely with a sealing material, and the sealing material is hardened in a state where the shape is retained by the cover member without a dull, so that the appearance after construction can be improved, and the work can be done easily and efficiently. effective.
[Brief description of the drawings]
FIG. 1 is an exploded cross-sectional view of an injection cartridge used in a sealing material construction method of the present invention and a dedicated nozzle attached to the injection port.
FIG. 2 is a side view taken along the line AA in FIG.
FIG. 3 is an explanatory diagram of a sealing material construction method.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Injection cartridge 1a Injection port 2 of injection cartridge 2 Dedicated nozzle 2a Screw part 3 Cover member 4 Extrusion hole 5 Mounting part 6 Recessed part 7 Air vent hole 8 Notch part 9 Flange part 10 Fixing tool 11 Rubber 12 Flat washer Q Sealing material G Construction surface X Sealing material injection direction

Claims (7)

A cover member is mounted in a dedicated nozzle that is detachably attached to the injection port of the injection cartridge, and the special nozzle is pressed to the construction surface through the cover member so as to cover the fixture protruding from the construction object. A sealing material construction method in which a predetermined amount of a sealing material is extruded into a cover member to fill and cover the outer peripheral surface of the fixture. The construction method of the sealing material according to claim 1, wherein after filling the sealing material, the dedicated nozzle is removed leaving the cover member around the fixture, and the sealing material is cured while the shape is held by the cover member. An injection cartridge for use in a sealing material construction method comprising a dedicated nozzle having a sealing material extrusion hole detachably attached to an injection port of the injection cartridge and a cover member fitted and attached to the inner wall surface of the dedicated nozzle. Nozzle structure. The exclusive nozzle provided with the extrusion hole for the sealing material has a truncated cone shape in which a mounting portion detachably attached to the injection port of the injection cartridge is formed on one end side of the extrusion hole, and a cover member is detachably fitted on the other end side. The structure of the injection | pouring cartridge nozzle used for the construction method of the sealing material of Claim 3 which formed the recessed part of this. The structure of the injection cartridge nozzle used for the sealing material construction method according to claim 3 or 4, wherein an air vent hole is formed in at least one place on the outer peripheral surface of the dedicated nozzle. The structure of the injection cartridge nozzle used for the sealing material construction method according to claim 3, 4 or 5, wherein the dedicated nozzle is formed with a notch that engages with a construction surface. The structure of the injection cartridge nozzle used in the sealing material construction method according to claim 3, 4, 5, or 6, wherein the cover member is one selected from rubber, resin, metal, paper, and antifouling rubber.

Images