JPH077297Y2 - Joint material for joint finishing - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a joint finishing patch used for exterior finishing of corner joints of building materials.

(Prior Art) Conventionally, walls, pillars, ceilings, etc. of buildings are often finished by attaching plate materials such as plywood, inorganic boards, fiber boards, etc., and joint tapes such as Kanreisha are attached to these joints. Is applied, and mortar, joint cement, putty, and other leveling agents are applied over it to finish the joint.

In addition, regarding joint finishing at so-called corners where plate materials are joined at a right angle, a method of using a laminate of joint tape and a hard plate as a joint material for joint finishing is considered in consideration of joint finishing accuracy and workability. Various have been devised. For example, in Japanese Utility Model Application Laid-Open No. 57-150535, a patch for joint finishing in which two thin plates are bonded to the center of a mesh strip coated with a pressure-sensitive adhesive, and in Japanese Utility Model Application Laid-Open No. 58-33658 is disclosed. Proposes a joint finishing tape in which a joint tape such as a pressure sensitive adhesive coated with pressure-sensitive adhesive and a hard plate provided with a pressure-sensitive adhesive layer are laminated.

All of these joint finishing patches are used for the purpose of cornering corners and protection of the corners with a thin plate provided in the center of the joint tape in the width direction, and are also applied to the joint tape mesh or thin plate. The pressure-sensitive adhesive can be easily attached to the corner plate material sticking point. In addition, the patch is fixed to the plate by a homogenizing agent that is solidified through the gaps in the mesh.

However, in the above-mentioned joint finishing patch according to the prior art, the pressure-sensitive adhesive is not provided on the thin plate laminated portion where the most force is applied, or the pressure-sensitive adhesive having a weak strength is used as the structural adhesive for the base material. Since it is adhered to, it is not possible to expect strong adhesion in this part.

In addition, when the plate material is ground with mortar, joint cement, putty, etc., and then the joint finishing patch is pressure-bonded to finish the joint, the patch is fixed when the substrate is an uncured soft surface state. Therefore, even if the pressure sensitive adhesive is applied to the patch, it is difficult to fix it.

As a result of these points, problems such as peeling during sticking work and peeling off of corners after a long time have often occurred.

(Problems to be solved by the invention) The present invention enhances the adhesive force between the hard plate and the homogenizing agent by forming a large number of holes in the hard plate into which the homogenizing agent such as mortar, joint cement and putty can enter. , It provides a joint finishing patch that improves workability during application and reliability after application.

[Constitution of device]

(Means for Solving the Problems) The present invention has a long holed hard tape having a width narrower than the width of the reticulated tape on one side and a bent portion provided along the longitudinal direction thereof. A plate is adhesively laminated along the longitudinal direction of the tape, and a pressure-sensitive adhesive layer is provided on at least the surface of the elongated perforated rigid plate, and if necessary, a release liner is provided outside the pressure-sensitive adhesive layer. It is a joint finishing patch.

The present invention will be described in detail with reference to the drawings. Referring to FIG. 1, a mesh tape 12 is laminated with a long-sized perforated hard plate 13, and a pressure-sensitive adhesive layer 14 is formed on the upper surface of the hard plate. It is provided. Although a release liner is usually laminated on the upper surface of the pressure-sensitive adhesive layer 14, it is omitted in the drawing.

As the reticulated tape 12, any one can be used as long as it is a reticulated material made of natural or synthetic fibers such as a nonwoven fabric called Kanreisha or Warif. Further, in some cases, the base material may be formed in a mesh shape by forming a large number of holes in the base material such as woven cloth, non-woven cloth, paper and plastic film.

The long hard plate 13 is adhered to the mesh tape 12 with an adhesive (not shown in the drawing). As a constituent material of the hard plate 13, a resin plate such as polyvinyl chloride, polystyrene, polycarbonate, polyethylene, polypropylene is preferably used. The thickness of the hard plate 13 is 0.1 to 3 mm
A degree is preferable. The present invention is characterized in that a large number of holes 15 are formed in the hard plate 13. This is for allowing the leveling agent such as mortar, joint cement and putty to be directly applied to the plate material through the hole 15. Therefore, it is necessary to make the diameter of the hole 15 relatively large, and when the hole is circular, the diameter is preferably 2 mm or more. However, if the size of the holes occupies more than half the width of the hard plate, the strength of the hard plate becomes insufficient, which is not preferable in some cases. The area of the hole 15 is preferably 10 to 50% of the hard plate 13. As a method of forming the holes 15, punching may be performed, or the holes may be simultaneously formed at the time of forming a hard plate. The shape of the hole 15 is circular in the drawing, but can be any shape.

The second feature of the present invention is that a groove 16 is provided in the central portion of the hard plate 13 along the longitudinal direction thereof so that the hard plate can be bent. A taper is formed in this groove 16 so that the hard plate 13 can easily form a right angle at the bent portion.

FIG. 2 is a view showing another embodiment of the present invention. In this embodiment, the pressure-sensitive adhesive layer 14 'has a mesh tape 12.
It is also provided above. Therefore, in this patch, the pressure-sensitive adhesive layer 1 previously provided on the mesh tape is used.
4'can be used as it is as an adhesive between the hard plate 13 and the mesh tape 12, which is convenient for manufacturing.

[Effect of device]

Since the joint finishing patch of the present invention has a large number of holes formed in the hard plate laminated on the mesh tape, the leveling agent is directly applied to the plate through the holes and firmly fixed to the corners, so that it can be used over time. However, the corners do not peel or fall off. Even in the work method of fixing the patch after the base treatment, the treatment is allowed to enter the holes of the hard plate only by crimping on the uncured base treatment, so that the fixing to the corner portion is easy.

In addition, since the hard plate of the present invention is composed of a single plate having a bent portion formed in the central portion, it has an advantage that it is easier to manufacture than a conventional pasted plate in which two hard plates are installed in parallel.

[Brief description of drawings]

FIG. 1 (a) is a cross-sectional view of a joint finishing patch showing one embodiment of the present invention, FIG. 1 (b) is a plan view of FIG. 1 (a), and FIG. FIG. 6 is a cross-sectional view showing another embodiment of the present invention. 11 …… Stitch for finishing joints, 12 …… Reticulated tape, 13 ……
Perforated hard plate, 14, 14 '... Pressure-sensitive adhesive layer, 16 ... Bent part

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location C09J 7/02 JJE E04F 13/00 G 9127-2E

Claims (1)

[Scope of utility model registration request] 1. A long-sized perforated rigid plate having a width narrower than the width of the tape on one side of the mesh tape and provided with a bent portion along the longitudinal direction thereof along the longitudinal direction of the tape. Adhesive material for finishing joints at corners, in which a pressure-sensitive adhesive layer is provided on at least the surface of the elongated perforated hard plate and, if necessary, a release liner is provided outside the pressure-sensitive adhesive layer. .