JP3150879B2 - Elbow cover adhesive coating sheet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Industrial application] Adhesive coating sheet used for adhesive coating of fireproof, heat resistant, reinforcing etc. adhesive sheet such as aluminum foil glass cloth adhesive sheet on the surface of elbow cover which covers the bent part of piping In this regard, after the adhesive central portion of the adhesive coating sheet is adhered to the center of the back of the elbow cover, each adhesive piece is sequentially adhered, and only the tip of each adhesive piece is folded back to the inner surface side, and extremely quickly, Also, an adhesive coating sheet for an elbow cover, which is capable of accurately and beautifully applying an adhesive coating sheet to the surface of the elbow cover, an adhesive coating method for the elbow cover using the adhesive coating sheet, and an adhesive coating sheet for the surface of the elbow cover Adhesive coating elbow cover provide.

[0002]

2. Description of the Related Art At present, various pipes such as air-conditioning pipes installed inside and outside a building are generally covered with a heat insulating material, a heat insulating material and the like. There are various types of insulation materials and the like for covering the pipe and various construction methods, and recently, a heat insulation cylinder is fitted around the outer circumference of the pipe.

[0003] The heat insulation cylinder is a cylinder having a set length (for example, 1 m) provided with a heat insulating material, a heat insulating material, or the like, and having a cut in one side in the longitudinal direction. The outer peripheral surface is covered (coated) with an adhesive coating sheet for fire resistance, heat resistance and rupture resistance reinforcement. For example, the most common aluminum foil glass cloth adhesive sheet as a conventional adhesive coating sheet Is a thick aluminum foil sheet and a glass cloth woven in the shape of a hessian cloth laminated and coated with an adhesive on the back side, and the adhesive is used to adhere to the entire outer peripheral surface of the heat insulating cylinder. The front side is coated (covered) with an aluminum foil glass cloth as a surface material (hereinafter, this is referred to as an adhesive coating).

However, when a heat insulating cylinder coated with an adhesive coating sheet such as an aluminum foil glass cloth adhesive sheet is fitted over a pipe, a bent portion (elbow, bend portion) of the pipe is exposed only with the heat insulating cylinder. Therefore, an elbow cover is attached to the bent portion to cover the bent portion.

However, an elbow cover (plastic,
Metal)), there is no such thing as the surface of which has been previously coated with the adhesive coating sheet as described above. Therefore, the adhesive coating sheet is manually adhered to the surface of the elbow cover after the fact. That is the current situation.

Conventionally, the adhesive coating of the adhesive coating sheet such as an aluminum foil glass cloth adhesive sheet on the surface of the elbow cover 1 is performed by hand, and the adhesive coating sheet 8 formed in a narrow tape shape is used for the purpose of the elbow cover 1. Prepare one cut in accordance with the length of the adhesive portion, and overlap the side portions of the adjacent tape-like sheets 8 while overlapping.
The tape-like sheet 8 is adhered one after another, and the end of each tape-shaped sheet 8 is folded back to the inner surface side of the joint part to adhere (see FIG. 6).

[0007] Therefore, there is a problem that the work requires a lot of trouble and time, the work efficiency is low, the labor cost is high, and the product cost is high.

In addition, since all operations are performed manually,
Variations in adhesion accuracy and finished appearance occur depending on the degree of skill, and in particular, the finished product remains as it is with a large number of narrow tape-shaped sheets 8 adhered to each other, resulting in poor appearance as individual products and products. There are many problems such as poor appearance, and effective solutions have been strongly demanded.

Therefore, the present invention has effectively solved the above-mentioned conventional problems by means of the present invention.

[0010]

"Adhesive coating sheet for elbow cover" That is, the present invention relates to an elbow cover made of plastic, metal, or the like used for covering a bent portion of a pipe, that is, a spherical back portion and an arc-shaped abdomen. A well-known elbow cover that opens a short cylindrical joint in the following two directions and divides the abdomen into two parts.
Adhesive coating sheet used for adhesive coating on the surface of

[0011] A material sheet such as an aluminum foil glass cloth adhesive sheet is cut into a size slightly larger than the developed surface area of the elbow cover, and a cut is made radially from a substantially circular or elliptical central portion to a peripheral portion. The adhesive coating sheet of the elbow cover, comprising a substantially circular or elliptical adhesive central portion and a plurality of radial adhesive single pieces, provided by
It is a solution to the problem.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An elbow cover 1 made of plastic, metal or the like used to cover a bent portion (elbow) 2a of a pipe 2, that is, a short cylindrical joint in two directions following a spherical back portion 4 and an arc-shaped abdominal portion 5. An adhesive coating sheet used to apply an adhesive coating to the surface of a well-known elbow cover 1 (see FIG. 4) in which the part 6 is opened and the abdomen 5 is divided into two parts, such as an aluminum foil glass cloth adhesive sheet 7 or the like. The material sheet is cut to a size slightly larger than the developed surface area of the elbow cover 1, and a cut 11 is cut radially from a substantially circular or elliptical central portion 10 to form a substantially circular or elliptical adhesive central portion 10a. And an adhesive coating sheet 9 of an elbow cover comprising a plurality of adhesive single pieces 12 in a radial pattern.

In the illustrated embodiment, a material sheet such as the aluminum foil glass cloth adhesive sheet 7 is cut into a beer barrel shape which is slightly larger than the surface area of the elbow cover 1, and a substantially circular or elliptical central portion 10 is cut. Cuts 11 are formed radially from the adhesive center portion 10 having a substantially circular or elliptical shape.
a, a left and right wide adhesive single piece 12a on the left and right, and a plurality of narrow narrow adhesive sheets 12b on the upper and lower sides are formed to provide the adhesive coating sheet 9. (Figure 2
reference)

The material sheet of the adhesive coating sheet is
A well-known aluminum foil glass cloth adhesive sheet 7 (see FIG. 5) in which an aluminum foil 7a and a glass cloth 7b are laminated, an adhesive 7c is applied to the glass cloth 7b side, and a release paper 7d is adhered, and other fire resistance of the elbow cover 1 Use a pressure-sensitive adhesive sheet suitable for heat resistance, rupture resistance and the like.

The outer shape of the pressure-sensitive adhesive coating sheet 9 formed by cutting the material sheet is not only a beer barrel shape, but also a circular shape, an elliptical shape, a square shape, a rectangular shape, a shape substantially adapted to the developed shape of the elbow cover 1, and an elbow. The surface of the cover 1 is provided in such a shape and size that the adhesive coating can be performed without gaps.

Further, according to the shape and the size of the elbow cover 1, the adhesive center portion 10a of the adhesive coating sheet 9 is formed.
Adjust the size of the substantially circular or elliptical shape of each adhesive single piece 12
The number, shape, width, and the like of are adjusted.

[0017]

[Method of Solving the Problem] "Adhesive coating method of elbow cover" [0108] The present invention also cuts a material sheet such as an aluminum foil glass cloth adhesive sheet into a size slightly larger than the developed surface area of the elbow cover, and forms a substantially circular shape. An adhesive coating sheet is cut radially from the central part of the elliptical shape to the peripheral part, and a substantially circular or elliptical adhesive central part of the adhesive coating sheet is pressed against the center of the back of the elbow cover and adhered. Each adhesive piece is glued from the center of the back to the joint or abdomen, while partially overlapping the sides of each other.
The problem is solved by the adhesive coating method of the elbow cover, in which the tip of each adhesive piece is folded back to the inner side of the joint or abdomen and adhered, and the surface of the elbow cover is adhesively coated with aluminum foil glass cloth. It is a solution.

[0018]

[Embodiment of the Method] A material sheet such as an aluminum foil glass cloth adhesive sheet 7 is cut into a beer barrel shape which is slightly larger than the developed surface area of the elbow cover 1, and a substantially circular or elliptical central portion 10 is cut.
The cut 11 is cut radially from the center, and a substantially circular or elliptical adhesive central portion 10a and radial left and right wide adhesive single pieces 12a and a plurality of upper and lower narrow adhesive pieces 12a are provided. After the adhesive coating sheet 9 made of the adhesive single piece 12b is provided, and the release paper 7d of the adhesive coating sheet 9 is peeled off, the substantially circular or elliptical adhesive central portion 10a is pressed against the center of the back portion 4 of the elbow cover 1 to adhere. Then, leaving the left and right wide adhesive pieces 12a sticking from the center of the back part 4 to the center of the joint part 6, the upper and lower narrow adhesive pieces 12b are sequentially arranged from the upper or lower one. From the center of the back part 4, a part of the side is adhered to the joint part 6 and the arc-shaped abdomen 5 while overlapping with each other, and the tip of each adhesive single piece 12 b is attached to the joint part 6 and the arc-shaped abdomen 5. Fold it back to the inner surface of the Catch portion 6 and 12a from the back 4 center
Of the elbow cover 1 and an adhesive coating sheet 9 such as an aluminum foil glass cloth adhesive sheet 7 on the surface of the elbow cover 1. This is a method of adhesively coating an elbow cover. (FIGS. 1 and 2
reference)

In the above embodiment, for example, the adhesive coating sheet 9 is provided with a substantially circular or elliptical adhesive central portion 10.
The order of adhering to the elbow cover 1 is set for each of the adhesive single pieces 12a and 12b (a in the drawing, No. to # 15), and the third adhesive central portion 10a is adhered to the center of the back 4 of the elbow cover 1. Then, if the adhesive pieces 12a and 12b are adhered in the order of the setting numbers and the aluminum foil glass cloths 7a and 7b are adhesively coated on the surface of the elbow cover 1, the skill of the operator is not required. In addition, the adhesive coating can be performed very efficiently and with high precision.
(See Figs. 1 and 2)

[0020]

Further, the present invention provides an elbow cover made of plastic, metal or the like used for covering a bent portion of a pipe, that is, a spherical back portion and an arc-shaped abdomen. A material sheet such as an aluminum foil glass cloth adhesive sheet on the surface of a well-known elbow cover with a short cylindrical opening in the direction and an abdomen divided into two parts is slightly larger than the developed surface area of the elbow cover. It is composed of a substantially circular or elliptical adhesive central portion and a plurality of radial adhesive single pieces, which are cut into pieces and radially cut from the substantially circular or elliptical central portion toward the peripheral portion. Adhesive coating sheet, provided with adhesive coating,
The problem has been solved with an adhesive-coated elbow cover.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An elbow cover 1 made of plastic, metal or the like used to cover a bent portion of a pipe, that is, a spherical back 4
And a short cylindrical joint 6 in two directions following the arc-shaped abdomen 5
A material sheet such as an aluminum foil glass cloth adhesive sheet 7 is cut into a beer barrel shape slightly larger than the developed surface area of the elbow cover 1 on the surface of the well-known elbow cover 1 having the abdomen 5 divided into two. A substantially circular or elliptical adhesive central portion 10a and a radially wide left and right adhesive single piece 12a are provided by cutting a radially incision 11 from a substantially circular or elliptical central portion 10. And a pressure-sensitive adhesive coating sheet 9 formed of a plurality of pressure-sensitive adhesive pieces 12b each having a narrow upper and lower width.
Is provided with an adhesive coating and an adhesive coating elbow cover is provided. (See Figs. 1 and 2)

[0022]

The effect of adhesively coating the adhesive coating sheet 9 of the present invention on the elbow cover 1 using the aluminum foil glass cloth adhesive sheet 7 or the like as the material sheet is the same as that described in the method of the present invention.

However, the elbow cover 1 (ie, the adhesive coating elbow cover) coated with the adhesive coating sheet 9 using the aluminum foil glass cloth adhesive sheet 7 or the like as a material sheet is provided on the pipe 2 with the heat insulating cylinder 3 (with the adhesive coating sheet on the surface). Is adhered to the bent portion (elbow) 2a of the pipe with the tip of the heat retaining tube 3 inserted into both the joint portions 6, 6, and the bent portion is attached. Covering is performed so that the entire surface of the pipe (the heat insulating cylinder and the elbow cover) is unified and adhesively coated with an adhesive coating sheet. (See Fig. 3)

[0024]

[Effect] The adhesive center of the adhesive coating sheet provided with an aluminum foil glass cloth adhesive sheet or the like as a material sheet is adhered to the center of the spherical back of the elbow cover, and then the individual adhesive pieces are sequentially adhered to each other. By simply turning the tip back to the inner surface and sticking it, there is an excellent effect that the adhesive coating sheet can be coated on the surface of the elbow cover very quickly, accurately and beautifully.

The center of the back portion of the elbow cover is coated with a substantially circular or elliptical adhesive center portion, and a cut line is formed by a single piece of adhesive around the center line connecting the center portion of the back portion and the short cylindrical joint portion. Since the adhesive coating is performed on a continuous surface state, it is possible to provide an adhesive-coated elbow cover having extremely excellent finished appearance and excellent weather resistance. Also, from the center of the back of the spherical surface toward the abdominal part of the arc, the joining line of the cut of the adhesive single piece clearly appears in a radiating beam centered on the center of the back, and it is functional and orderly to the viewer It has the effect of giving a good impression.

The central part of the adhesive of the adhesive coating sheet is 1
As the third, the worker memorizes the adhesive order of each adhesive piece in advance, or by attaching the adhesive order number to each adhesive piece, it is extremely efficient without the skill of the worker,
Adhesive coating can be performed with high precision.

As described above, according to the present invention, an adhesive coating sheet formed in the form of a narrow tape is cut to the size used, and the adhesive coating sheet is coated one by one. In addition, the work efficiency can be improved in a revolutionary manner, and the accuracy, strength, appearance and the like of the finish can be remarkably improved.

[Brief description of the drawings]

FIG. 1 is a front view, a plan view, a bottom view, and a right side view of an adhesive coated elbow cover of an embodiment in which an adhesive coated sheet of the present invention is adhesively coated.

FIG. 2 is a front view and a side view of an embodiment of the pressure-sensitive adhesive coated sheet of the present invention.

FIG. 3 is a partially cutaway front view in which the adhesive coating elbow cover of the present invention is attached to a bent portion of a pipe to which a heat retaining tube is fitted.

FIG. 4 is a partially cut front view, a plan view, a bottom view, and a right side view of an example of the elbow cover.

FIG. 5 is a partially enlarged front view and a cross-sectional view of an aluminum foil glass cloth pressure-sensitive adhesive sheet which is an example of a material sheet of the pressure-sensitive adhesive coating sheet.

FIG. 6 is a front view, a plan view, a bottom view, and a right side view of a state in which an adhesive coating sheet formed in a conventional narrow tape shape is adhesively coated on an elbow cover.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Elbow cover 2 Pipe (piping) 2a Bent part (elbow, bend, etc.) 3 Heat insulation tube 4 Back part 5 Abdominal part 6 Joint part 7 Aluminum foil glass cloth adhesive sheet 7a Aluminum foil 7b Glass cloth 7c Adhesive 7d Release paper 8 Conventional narrow Adhesive coating sheet (tape sheet) formed in a wide tape shape 9 Adhesive coating sheet of the present invention 10 Central part 10a Adhesive central part 11 Cut 12 Adhesive single piece 12a Left and right wide adhesive single pieces 12b Upper, lower Narrow adhesive single piece

Claims (5)

(57) [Claims] An elbow cover made of plastic, metal, or the like used to cover a bent portion of a pipe, that is, a short cylindrical joint portion is opened in two directions following a spherical back portion and an arc-shaped abdomen. An adhesive coating sheet used to apply adhesive coating to the surface of a well-known elbow cover that has been split into two pieces.The material sheet, such as an aluminum foil glass cloth adhesive sheet, is slightly larger than the developed surface area of the elbow cover. Cut,
An elliptical cover consisting of a substantially circular or elliptical adhesive central portion and a plurality of radially-adhesive single pieces, which are cut out radially from a substantially circular or elliptical central portion to a peripheral portion. Coating sheet. 2. A material sheet such as an aluminum foil glass cloth pressure-sensitive adhesive sheet is cut into a beer barrel shape which is slightly larger than the developed surface area of the elbow cover, and cut out radially from a substantially circular or elliptical central portion. 2. The elbow according to claim 1, comprising a substantially circular or elliptical adhesive central portion, a radially wide left and right wide adhesive single piece, and a plurality of narrow upper and lower adhesive pieces. Adhesive coated sheet for cover. 3. A material sheet such as an aluminum foil glass cloth adhesive sheet is cut into a size slightly larger than a developed surface area of an elbow cover, and cuts radially from a substantially circular or elliptical central portion toward a peripheral portion. The adhesive coating sheet is cut and provided, and a substantially circular or elliptical adhesive central portion of the adhesive coating sheet is pressed against the center of the back of the elbow cover to adhere the adhesive, and then each adhesive single piece is placed on one side of the adhesive. Adhesion is applied from the center of the back to the joint or abdomen, and the tip of each adhesive single piece is folded back to the inside of the joint or the abdomen, and the adhesive is coated on the surface of the elbow cover. An adhesive coating method for the elbow cover, which is designed so that the sheet is coated with an adhesive. 4. A material sheet such as an aluminum foil glass cloth pressure-sensitive adhesive sheet is cut into a beer barrel shape that is slightly larger than the developed surface area of the elbow cover, and a cut is cut radially from a substantially circular or elliptical central portion. An adhesive coating sheet comprising a substantially circular or elliptical adhesive central portion and radial left and right wide adhesive single pieces and a plurality of upper and lower narrow adhesive single pieces is provided. After peeling off the release paper from the coating sheet, press the adhesive center of the substantially circular or elliptical shape against the center of the back of the elbow cover to stick it, and then stick it from the center of the back to the center of the joint part. Leaving the adhesive strip, top and bottom each narrow adhesive strip in order from the top or bottom,
From the center of the back to the joint and the arc-shaped abdomen, they adhere to each other while overlapping part of their sides, and the tip of each adhesive unit is folded back to the joint and the inner surface of the arc-shaped abdomen. And
Finally, glue the left and right adhesive pieces from the center of the back to the center of the joint, glue the tip back to the inner side of the joint, and glue the adhesive coating sheet to the surface of the elbow cover 4. The method of claim 3 wherein the elbow cover is coated. 5. An elbow cover made of plastic, metal, or the like used to cover a bent portion of a pipe, that is, a short cylindrical joint portion is opened in two directions following a spherical back portion and an arc-shaped abdomen. Cut the material sheet, such as an aluminum foil glass cloth adhesive sheet, on the surface of the elbow cover of the well-known shape divided into two to a size slightly larger than the developed surface area of the elbow cover,
An adhesive coating sheet comprising a substantially circular or elliptical adhesive central portion and a plurality of radial adhesive single pieces, provided by cutting out radially from the substantially circular or elliptical central portion toward the peripheral portion, Adhesive coated elbow cover with adhesive coating.