JPH09296898A - Heat insulative protective curing material capable of being tubulated, and manufacture of it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulative protective curing material to be easily handled in storage and transportation, able to be very efficiently manufactured, and to be very easily used. SOLUTION: In a manufacture of a curing material, side ends 10, 10 are joined to each other in a flat state where two soft foamed resin sheets S, S are faced to each other, a heat insulative protective curing material so constituted that the whole may be tubulated, and two long soft foamed resin sheets S, S are faced to each other, the ends 10, 10 of curing materials 1 are joined to each other with a clearance corresponding to the dimension of respective pipe shapes, and a plurality of curing materials 1 capable of being tubulated is manufactured in a connected state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating protective curing material and a method for producing the same, and more particularly to a heat insulating protective curing material which is in a flat state in a normal state and can be tubularized during use, and a method for producing the same. .

[0002]

2. Description of the Related Art Conventionally, as a heat-insulating protective material for keeping warm and cool the pipes used in refrigerators and freezers, a synthetic resin in the shape of a pipe adapted from the beginning is used. The heat insulating pipe was inserted into the outside of the pipe, or when the pipe could not be inserted, the heat insulating pipe was cut in the longitudinal direction to cover the pipe from the cut portion.

Further, a curing material to be used as an exterior material for heat insulation protection of pipes such as water pipes and pipes for air ducts at a construction site, and a temporary material for preventing concrete from being covered on pipes and valves when concrete is poured. The curing material used in the above was wrapped with a sheet made of foamed resin, or a pipe made of foamed resin was put on the exterior. Since it is troublesome to wind up the sheet, do you often insert the pipe as it is? It was the current situation that the tape was fixed after cutting open in the longitudinal direction and packaging.

Regarding these pipes as a heat-insulating protective material, for example, as described in Japanese Patent Publication No. 59-23984, a thermoplastic resin sheet is rolled and the opening end is heat-sealed to form a circular shape from the beginning. It was a circular product made by extrusion molding a thermoplastic resin sheet.

[0005]

However, when a pipe that has been circularized from the beginning of manufacture is used as a curing material, it is bulky in terms of transportation, resulting in high transportation cost and poor efficiency in manufacturing. However, it was not economical enough. Therefore, in the present invention, it is an object of the present invention to provide a material that can solve the conventional problems and is easy to handle in terms of storage and transportation, and that can be manufactured very efficiently, and that is extremely easy to use as a curing material for heat insulation protection. It was invented.

[0006]

As a curable material for heat insulation protection which can be tubularized according to the present invention, which has been invented after intensive research so as to achieve the above-mentioned object, as shown in claim 1, two sheets are used. In the flat state where the soft foamed resin sheets are opposed to each other, the side end portions thereof are joined to each other so that the whole can be made tubular.

According to the curing material of the above-mentioned claim 1, when the two flexible foamed resin sheets are in a flat state and their side end portions are joined to each other, they are inserted into a pipe or the like. Since the whole is tubular along the pipe and the like, it can be transported in a flat state in a low bulk during transportation. And at the time of use, it should be inserted into an object such as piping to be exteriorized, or if it cannot be inserted,
It is possible to cut open in the longitudinal direction and make it exterior, and taping the open part, it can be adsorbed flexibly by the elasticity peculiar to the soft foamed resin sheet to the pipe, etc., especially the whole circular shape However, since it is about to return to the flat state, it is even more likely that the object to be attached, such as a pipe, has good adsorbability and the integrity is enhanced.

Next, as the above-mentioned soft foamed resin sheet, as described in claim 2, a foamed polyethylene sheet is a preferable material, and in addition, a foamed polyethylene sheet is the main material and is made of a mixed resin with other resin. May be Further, as the curing material according to claim 1 or 2, in addition to a single item, as described in claim 3, two soft foam resin sheets are made of a long material, and side edges to be joined in a state of facing each other. When at least three or more parts that become parts are provided and a plurality of tube-like curable materials are connected in series so as to be individually separable, a plurality of tube-formed curable materials are connected in series. Since it is in the state of being kept, it is easier to transport and handle, and it can be used by separating it into individual curing materials at the time of use, that is, at the place of construction, which is convenient. In particular, when the perforated cuts are formed on the side end portions of the curing material so as to be individually separable as described in claim 4, very easy separation can be realized on site.

Next, regarding the method for manufacturing the above-mentioned heat-curable heat-protective material which can be made into a tubular shape, as described in claim 5,
Two long flexible foamed resin sheets are made to face each other, and the side end portions of the curing material are joined to each other with an interval according to the size of each tubular formation, and a plurality of tubular curings are possible. If the feature is that the materials are manufactured in a continuous installation state, it is possible to easily manufacture a curing material according to the size of tubular formation.

That is, in addition to being able to manufacture a plurality of tube-like curing materials of the same size, when the above-mentioned interval is changed,
It also simplifies the production of a series of different curing materials that are tubularized to different sizes. Further, as in claim 6, two long soft foam resin sheets are sequentially and intermittently fed,
When the feeding is stopped, the joining of the parts that will be the side ends in sequence is performed using a joining tool, and the sheets that are the raw materials are intermittently fed, so that the opposing sheets are joined together,
This is a suitable method when a plurality of curing materials having the same size and formed into a tubular form are continuously provided.

On the other hand, as described in claim 7, the joining of the portions of the curing material to the side ends of the long flexible foam resin sheet is performed simultaneously by using a plurality of joining tools. Characterizing that it is performed in a state where two long flexible foamed resin sheets are opposed to each other, because the side end portions of the curing material are joined together using a plurality of joining tools, It suffices to set the two opposed states without feeding the material sheet, and this is a suitable method when manufacturing various dimensionally different curing materials that are tubularized in different sizes.

When carrying out the method of claims 6 and 7, perforations which can be individually separated are formed in the central longitudinal direction at the time of joining the side end portions or after the joining, or after the joining, the central longitudinal direction. When they are brought into contact with and separated from each other by a separating means, a individually separable state or individually separated curing material can be provided.

[0013]

Next, a preferred embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a heat-insulating protection curing material in which two soft foamed resin sheets S, S are opposed to each other in a flat state. One is a state in which a plurality (a large number) are continuously arranged and the other is individually separated. Both are shown in FIGS. In the curing material 1, the side end portions 10, 10 of the portions to be the opposite ends are joined by a welding method using high frequency waves or ultrasonic waves. In the case of the figure, a long foam resin sheet S, S is used to bond a plurality of curing materials 1 in series, but two short soft foam resin sheets are used as a single product. They may be formed facing each other. In the case of a long shape, since the joint width of the portion to be the side end portions 10,10 corresponds to both side end portions 10,10, it is possible to insert a perforation-shaped cut 11 in the center to separate them individually. It is formed in. When the perforations 11 are not formed, the side end portion 1 is cut with scissors or other cutting means.
It may be used by cutting so as to be divided into 1 and 11. The individually curable material 1 can be formed into a tubular shape such as a circle.

As the soft foamed resin sheet, one sheet may be folded back at the end, or two separate sheets may be opposed to each other. As each sheet, a foamed polyethylene sheet (Sekisui Chemical Co., Ltd.) may be used. Besides Softlon (trademark) manufactured by Kogyo Co., Ltd., any known soft foamed resin sheet having thermoplasticity can be used, and a non-foamed resin film may be laminated for reinforcement or a plurality of soft foamed resin sheets may be used. You may use a soft foaming resin sheet.

In FIG. 1 and FIG. 2 described above, the tube-like curing material 1 in which the side ends 11 and 11 to be joined and the side ends 11 and 11 to be the next joining portion have the same interval L is continuously provided. 3 and FIG. 4 exemplify a case in which the above-mentioned interval L is various, and in this case, the individual curing material 1 separated from the perforation-shaped cuts 11 has a size that can be made tubular. This is the case when different items are connected.

Next, a method of manufacturing a curing material according to the present invention which can be made into a tubular shape will be described. In the case of FIG. 5, two long flexible foamed resin sheets S, S are opposed to each other, and are intermittently fed. When the feeding is stopped, the portions that become the side ends 10, 10 are sequentially joined by using a joining tool J such as a high-frequency fusion tool. The case where the joining tool J is composed of a pair of the fusion-bonding side J ₁ and the receiving side J ₂ is shown. In addition, perforated cut 1
1 is put in with the score forming tool C as shown in the figure at the same time or in a later step. In the case of such a manufacturing method, it is suitable to manufacture the curing materials 1 with the same interval L that can be tubularized in a continuous state.

As the next manufacturing method, as shown in FIG. 6, the side end portions 10 and 10 of the curing material 1 are removed from the two long soft foam resin sheets S and S. The joining is performed simultaneously using a plurality of joining tools J. In this case, it goes without saying that the curing materials 1 of the same size that can be tubularized are manufactured in a continuous state, and as shown in the figure, various curing materials 1 having different intervals L that can be tubularized are used. This is a particularly suitable method in the case of simultaneous production in a continuous installation state.

In any of the above manufacturing methods,
When the curing material 1 obtained in a continuous state has a perforation in the form of a sewing machine, from that portion, if there is no cutting, the center of the side end portions 10, 10 is cut in the longitudinal direction to obtain an individual curing material. 1 may be separated, and the separation may be performed not only during the manufacturing process but also at the construction site where the curing material 1 is used.

Curing material 1 obtained by the present invention and capable of being tubularized
Is handled as it is in a flat state before transportation to a creature, and when used, it is inserted into the creature A such as a pipe for piping as shown in FIG. 7 and FIG. It can be easily tubularized along. Also,
When it is difficult to insert the to-be-cultivated animal A through a pipe or the like already installed, the to-be-cultivated organism A may be cut open in the longitudinal direction and the to-be-cultivated animal A may be tapped T, or the tapped portion may be tapped T to the whole. It is a thing.

The curing material 1 is used in this way,
The to-be-cultivated organism A to be used is particularly suitable when a heat insulation effect and a buffer protection effect are required in a refrigerator, a pipe for piping a refrigerator, a pipe such as an air duct, and a pipe for a chemical plant. In addition, it can be used as a curing material for valves near pipes so that it can be protected even if concrete pouring is possible before concrete pouring, and it is suitable for various applications.

[0021]

As described above, the tubular curable curing material according to the present invention is such that, before use, the upper and lower soft foamed resin sheets face each other in a flat state and are not very bulky. It has the advantage that it can be easily handled during transportation and storage. Moreover, since the material of the curing material is a soft foamed resin sheet, it has excellent heat insulating properties, cushioning properties, etc., and after being tubularized along with the organism to be cured, it will be more difficult to recover the original flat state. It has the characteristic of increasing the adsorptivity to aquatic organisms and strengthening the integrity with aquatic organisms.

In particular, in the case where the individual curing materials are continuously connected before being separated, it is easy to handle because they are not separated individually. Further, according to the method for producing a curing material of the present invention, two soft foamed resin sheets are made to face each other in a flat state and the side end portions are joined to each other with an interval according to the size of each tubular formation. Since it is possible to provide multiple curable materials that can be made into tubes by simply making them suitable for mass production,
It can contribute to the provision of curing material at low cost.

[Brief description of drawings]

FIG. 1 is a plan view showing both a continuous type and a separated type.

FIG. 2 is a cross-sectional view with respect to FIG.

FIG. 3 is a plan view of a modified example.

FIG. 4 is a cross-sectional view with respect to FIG.

FIG. 5 is a schematic sectional view showing manufacturing.

FIG. 6 is a schematic cross-sectional view showing a modified manufacturing example.

FIG. 7 is a partially cutaway front view when in use.

FIG. 8 is a cross-sectional view of FIG. 7Y-Y.

FIG. 9 is a front view of a partial cut hole showing a modification of use.

[Explanation of symbols]

 S, S Soft foamed resin sheet 1 Curing material 10, 10 Side end J Joining tool A Cultivation T Taping

Claims (7)

[Claims] 1. A tubular structure characterized in that two flexible foamed resin sheets are made to face each other in a flat state, and their side end portions are joined to each other so that the whole can be tubularized. Possible curing material for heat insulation protection. 2. The heat-insulating protective material capable of being tubularized according to claim 1, wherein the soft foamed resin sheet comprises a foamed polyethylene sheet. 3. Two flexible foamable resin sheets are made of a long material and are provided with at least three portions which are side ends to be joined in a state of being opposed to each other, and a plurality of tube-like curable materials. The heat-curable protective material for heat insulation protection according to claim 1 or 2, characterized in that the heat-protective material can be separated into individual pieces. 4. A plurality of tube-like curable materials having side edges,
The tubular heat-insulating protective material according to claim 3, wherein perforated cuts are formed so as to be individually separable. 5. A plurality of long soft foamed resin sheets are opposed to each other, and the side end portions of the curing material are joined to each other with an interval according to the size of each tubular formation, to form a plurality of sheets. A method for producing a heat-protective curing material that can be made into a tubular shape, characterized in that the curing material that can be made into a tubular shape is continuously produced. 6. The method according to claim 1, wherein the two long flexible foamed resin sheets are sequentially and intermittently fed, and when the feeding is stopped, the portions to be the side end portions are sequentially joined by using a joining tool. 5. The method for producing a heat-insulating protective curing material capable of being tubularized according to 5. 7. The method according to claim 1, wherein the two long flexible foamed resin sheets are joined together by using a plurality of joining tools to join the side end portions of the curing material. 5. The method for producing a heat-insulating protective curing material capable of being tubularized according to 5.