JPS61233293A - Seamless heat-insulating execution method of piping and sheathing material used for said method - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a heat insulation construction method for wrapping piping with a heat insulating material and seamlessly covering the outside of the heat insulating material with a sheathing material, and to a sheathing material used in carrying out the construction method. It is something.

2. Description of the Related Art Piping installed to circulate steam, refrigerant gas, etc. in various locations, such as indoors and outdoors, usually has different lengths depending on the location. Therefore, when wrapping such piping with insulation material and covering the outside with exterior material, it is necessary to connect several pieces of exterior material of a certain length in the longitudinal direction of the insulation material, or to use a long exterior material. It was done by wrapping the material in a spiral around the insulation material.

However, it is time-consuming to connect the exterior materials or to wrap them in a spiral shape, and it is inevitable that the joints will appear in an annular or spiral shape in the longitudinal direction of the pipe, resulting in an unsightly appearance.

Therefore, in order to easily and visually cover the heat insulating material with a single exterior material, the applicant attached a pair of fastener elements to a long sheet-like member having a width sufficient to cover the heat insulating material. The exterior material is sewn along the longitudinal direction and at intervals approximately equal to the outer circumferential length of the insulation material in the width direction, and the length of the piping is measured at the construction site and sewn according to the length. After cutting the exterior material, we considered covering the insulation material by curving the cut exterior material in the width direction to cover the insulation material and engaging the fastener elements. In this way, the insulation can be covered by measuring the length of the covering area, cutting the sheathing material, placing the cut sheathing material over the insulation material, and engaging the fastener elements. The work is easy, and since only one joint appears along the length of the pipe, it looks good, and if necessary, this joint can be made to appear in a position that would normally be a blind spot and cannot be seen. It also has the advantage of being able to.

Problems to be Solved by the Invention However, in the case of the above-mentioned exterior material, the thread that sewed the fastener element to the sheet-like member frays at the cut portion along with the sheet-like member, and the fastener element peels off and the exterior material becomes insulated. Although the coating method described above is simple, it has not been put to practical use because it may come off the material.

Means for Solving the Problem In order to solve this problem, the first invention of the present application provides a long sheet-like member with a pair of longitudinal fastener elements that engage with each other in the longitudinal direction of the sheet-like member. Cut the sheathing material, which is spaced apart from each other in the width direction and fixed without peeling from the sheet-like member, into a length corresponding to the part of the pipe to be covered, and then Insulation that covers any length of piping seamlessly in the longitudinal direction by curving the material in the width direction and wrapping it around the outer surface of the insulation material and engaging the pair of fastener elements with each other. It provides a construction method.

Further, the second invention provides an exterior material that is particularly suitably used in the insulation construction method according to the first invention, and the exterior material has a curved shape in the width direction on the outer surface of the insulation material surrounding the pipe. A pair of longitudinally engaging longitudinal fastener elements are attached to the elongated sheet-like member having a width sufficient to cover the outer surface of the elongated sheet-like member along the longitudinal direction of the sheet-like member. A curved line or folded line that is sewn at intervals approximately equal to the outer circumference length and that includes a large number of first folded parts and second folded parts, each of which is folded in opposite directions in the longitudinal direction of a sheet-like member. , so that even when the sheet-like member and the fastener element are cut at any position in the longitudinal direction, the first or second folded portion functions as a fraying prevention portion for the seam. It is what was done.

Note that the term "fastener element" here refers to small pieces of metal or synthetic resin that interlock with each other and are attached to two pieces of tape so that they can be opened and closed. A large number of loops are formed on each of two tapes, and these loops are engaged by engaging protrusions, or they are made of a hook-and-loop fastener or synthetic resin, with a protrusion on one side and a protrusion on the other. It includes various types of fasteners, such as a type of fastener that is provided with a groove corresponding to the protrusion and in which the protrusion and the groove are elastically engaged and separated.

Effects of the Invention With an exterior material in which the fastener element is fixed to the sheet-like member without peeling, there is no fear that the fastener element will peel off from the sheet-like member no matter where it is cut. According to the insulation construction method of the first invention of the present application, the length of the covered part of the pipe is measured at the construction site,
The simple process of cutting the sheet material to match the length, curving the sheathing material in the width direction, covering it with the insulation material, and engaging the fastener elements ensures that there is no seam in the longitudinal direction of the piping, giving it a good appearance. This allows the insulation material to be coated in good condition.

Further, the exterior material of the second invention of the present application is such that the fastener element is sewn to the sheet-like member by a seam along a curved line or a fold line including first and second folded portions that are folded in opposite directions. The first and second folded portions function as fraying prevention portions even when the fastener element is cut at any position in the longitudinal direction, and can be suitably used in the above-mentioned insulation construction method. . In other words, if a seam is cut, the thread will fray from the cut part, but if there is a seam along a convex fold in the opposite direction to the fraying direction, the thread will fray from that part. It stops at this point and does not fray any further, and since this exterior material has two types of folded parts with opposite folding directions, no matter where the fastener element is cut along with the sheet-like member, it will not fray any further. Any of the folded parts will surely prevent the seams from fraying.

EXAMPLES Hereinafter, examples of the first and second inventions of the present application will be described in detail based on the drawings.

In FIG. 3, 10 is a pipe for distributing fluids such as steam and refrigerant gas, and includes asbestos,
It is covered with a heat insulating material 12 such as glass wool,
This heat insulating material 12 is further covered with an exterior material 14 in a tightened state.

FIG. 1 shows the exterior material 14 before it is covered with the heat insulating material 12. As is clear from the figure, the exterior material 14 is attached to a long sheet 16 with a fastener member 2 of a fastener 18 (see FIG. 3).
0.22 is sewn on and wound into a roll. The sheet 16 is made of a cloth made of fibers such as nylon, on which a porous resin coating having numerous micropores is formed. The micropores in the resin film allow only moisture to pass through and not water, thereby imparting moisture-permeable and waterproof performance to the sheet 16.

Further, the sheet 16 is reinforced with Microtex, a cloth commercially available as a material for rain gear, etc. under other trade names, and is given appropriate elasticity and strength. Such a sheet 16 is formed to have a width approximately equal to the outer circumferential length of the heat insulating material 12, and fastener members 20 and 22 are sewn along the longitudinal direction at both ends in the width direction. The fastener member 20.22 is made of a long tape 24 made of cloth and a small piece 26 made of metal or synthetic resin attached thereto, and is sewn onto the sheet 16 at the tape 24. The fastener 18 is a fastener member 20
．． It is closed by engaging the small pieces 26 of 22 with each other, and is a slide fastener also called a zipper or a zipper.

The tape 24 is sewn onto the sheet 16 by forming a special seam as shown enlarged in FIG.

That is, a large number of line segments of a constant length are arranged on two parallel lines parallel to the longitudinal direction of the tape 24 and separated by a short distance in the width direction of the tape 24, with an interval smaller than the length of each line segment, and two The line segments on the parallel lines of the book are arranged in a staggered manner, and the end of the line segment on one of the two parallel lines is attached to the end of the line segment on the other in the longitudinal direction of the tape 24. The seams are formed along polygonal lines connected by line segments that are alternately inclined in opposite directions, and as a result, the seams form a pointed shape in the part where the direction changes.
In addition, first folded portions 28 and second folded portions 30 are alternately formed in opposite directions.

Using the exterior material 14 formed in this way, the pipe 10
When performing insulation work, first, a desired length of the pipe 10 is wrapped with a heat insulating material 12. This heat insulating material 12 may or may not have a joint in the longitudinal direction of the pipe 10. Next, the length of the portion of the pipe 10 to be covered is measured, and the sheathing material 14 is cut to that length. In this case, the fastener members 20 and 22 are also cut at the same time, and a slide member for engaging and disengaging the small pieces 26 of the fastener 18 is attached to this, and end members are cut at both longitudinal ends using a special manual tool. Caulk. Then, the exterior material 14 is brought so that its longitudinal direction is along the longitudinal direction of the pipe 10, and the insulation material 14 is curved in the width direction.
and engages the fastener member 20.22. .

As described above, the tape 24 of the fastener member 20, 22 of this embodiment has the pointed first folded portions 2 facing in opposite directions.
8 and the second folded portion 30, so even if the seam is cut,
The fraying of the threads is stopped at the first and second folds 28, 30, and the seams are unraveled endlessly, allowing the fastener 1
8 will not peel off from the sheet 16. Therefore, even if the sheet 16 and the fastener 18 are cut at an arbitrary position according to the length of the pipe 10 to be covered, the fastener 18 will not be peeled off from the sheet 16, and the length of the pipe 10 can be cut at the construction site. Measure and
The insulation 12 can be covered by the simple operation of cutting the sheet 16 to length, wrapping the sheet 16 around the insulation 12, and closing the fastener 18.

The work of "closing the fastener 18 as in this embodiment" can be done by leaving the exterior material 14 almost wrapped around the heat insulating material 12, and as the sliding member moves to engage the small piece 26 attached to the tape 24. Fastener member 2
0.22 is engaged, the exterior material 14 is connected to the insulation material 1.
There is no need to tightly wrap the insulation material 12, which makes the work easier.
It can also be easily covered with the exterior material 14 in a tightened state.

Additionally, the seams in sheet 16 are only visible where fastener members 20 and 22 are engaged;
The appearance of the pipe 10 is good because there are no joints in the longitudinal direction, and when the pipe 10 is installed along a ceiling, wall, floor, etc., the sheet 16 is arranged so that the joints face the ceiling, etc. If it is placed over the heat insulating material 12 so as to face the side where the seam is to be used, the seam will not be visible from the outside as it will become a blind spot, resulting in an extremely good appearance.

Note that the sheet 1 of the tape 24 of the fastener member 20.22
As shown in FIG. 4, the sewing on the sheet 6 may be performed by repeating linear back and forth sewing in the longitudinal direction of the sheet 16 to form irregular seams 32.

Alternatively, the tape 24 may be sewn onto the sheet 16 using a seam along a curved line having an arcuate folded portion, such as the seam 34 shown in FIG.

Furthermore, as shown in FIG. 6, the seam 36 may be along a curved line in which a large number of ellipses are connected in a spiral shape;
As shown in FIG. 7, the seam 38 may be formed along a curve in which a number of discontinuous closed curves partially overlap.

Although one embodiment of the first invention of the present application and several embodiments of the second invention of the present application have been described above in detail, the invention of the present application can also be implemented in aspects other than these.

For example, in each of the embodiments detailed above, the sheet 16 has a width approximately equal to the outer circumferential length of the heat insulating material 12, and the fastener members 20 and 22 are sewn to the edges of the sheet 16 in the width direction. However, the width of the sheet is larger than the outer circumference of the insulation material to be covered, one fastener member is sewn to the edge of the sheet, and the other fastener member is spaced approximately equal to the outer circumference of the insulation material. You may also sew it on. In this way, when the fastener members are engaged, the edge of the sheet on the side where the fastener member is not sewn overlaps with the other edge, so the engaging portion of the fastener member is raised upward. When the sheet is placed over the heat insulating material toward the direction of the heat insulating material, the effect of effectively preventing water droplets, dust, etc. from entering between the exterior material and the heat insulating material can be obtained.

In addition, the sheet-like member is not limited to a moisture-permeable and waterproof sheet, and various other materials such as cloth and film can be used.

Furthermore, in each of the above embodiments, the fastener member 20.
By sewing the tape 24 of No. 22 to the sheet 16 while forming the first and second folded parts 28 and 30, the threads were prevented from fraying no matter where the exterior material 14 was cut. The sheet 16 is sewn by straight stitching without forming a section, and after cutting the sheet 16 at the construction site, the cut section is folded back and sewn or caulked.

The folded portion may be fixed using metal fittings, adhesive, etc. to prevent the thread from fraying.

It is also possible to sew the tape 24 onto the sheet 16 and fix it by applying an adhesive to the cut portion, or by melting and melting resin or the like.

Furthermore, fixing the tape 24 to the sheet 16 is not limited to sewing, but it is also possible to weld it by heating or by using a hot material. 16 may be sewn and then heated and welded. At this time, heating and welding may be applied only to the cut portion to prevent the yarn from fraying.

Although not illustrated in detail, the present invention can be implemented with various modifications and improvements based on the knowledge of those skilled in the art.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an exterior material that is an embodiment of the second invention of the present application. FIG. 2 is an enlarged front view showing a portion of the exterior material shown in FIG. 1 in which the fastener is sewn onto the sheet. FIG. 3 is a perspective view showing a state in which the heat insulating material surrounding the pipe is covered with the above-mentioned exterior material. Figure 4, Figure 5,
6 and 7 are views corresponding to FIG. 2, respectively, showing another embodiment of the second invention. lO: Pipe (piping) 12: Heat insulating material 14: Exterior material 16: Sheet 1: Fastener 28: First folded part 30: Second folded part Fig. 3

Claims (2)

[Claims] (1) A heat insulation construction method in which piping to be insulated from the outside atmosphere is wrapped in a heat insulating material and the outside of the pipe is covered with an exterior material, in which a pair of longitudinal shapes that engage with each other are formed on a long sheet-like member. along the longitudinal direction of the sheet-like member,
The exterior materials, which are spaced apart from each other in the width direction and fixed without peeling from the sheet-like member, are cut to a length corresponding to the portion of the pipe to be covered, and the cut exterior materials are cut into widths. curved in the direction and wrapped around the outer surface of the insulation material,
by interengaging the pair of fastener elements;
A seamless insulation construction method for piping, characterized in that a portion of an arbitrary length of the piping is covered seamlessly in the longitudinal direction. (2) Exterior material that covers the outside of the heat insulating material surrounding the pipe, which is a long piece of material that is curved in the width direction of the outer surface of the heat insulating material surrounding the pipe and has a width sufficient to cover the outer surface of the heat insulating material that surrounds the pipe. A pair of mutually engaging longitudinal fastener elements are sewn into the sheet-like member along the longitudinal direction of the sheet-like member at intervals approximately equal to the outer circumferential length of the heat insulating material in the width direction. , and the seam is formed along a curve or a fold line including a large number of first folded portions and second folded portions that are folded in opposite directions in the longitudinal direction of the sheet-shaped member, and and an exterior material for insulation construction of piping, wherein the first or second folded portion functions as a fraying prevention portion for the seam even when the fastener element is cut at any position in the longitudinal direction.