JP2002181281A - Heat insulating cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulating cylinder allowing the simplification of a work for covering a pipe with the heat insulating cylinder. SOLUTION: This heat insulating cylinder 1 comprises a surface skin material 3 provided on the circumferential surface of a cylindrical body 2 for enclosing the pipe 5. The axial dimension of the surface skin material 3 is formed larger than that of the cylindrical body 2 and protruded from one axial end thereof, and the circumferential dimension thereof is formed larger than that of the cylindrical body 2. A locking piece 4 having an adhesive layer on the reverse side is adhered to the circumferential end of the surface skin material and protruded from the end thereof, and an adhesive tape 6a is provided along the axial direction on the surface of the other circumferential end, so that the surface skin materials 3 can be mutually adhered by the adhesive tape 6a, and the locking piece 4 can be adhered onto the joint of the surface of the surface skin materials 3 formed in the adhesion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat retaining cylinder for keeping heat in an air conditioning pipe or the like.

[0002]

2. Description of the Related Art A utility model registration No. 2602450 shown in FIGS. 6 to 8 is disclosed as a heat insulation cylinder surrounding an air conditioning pipe. The heat retaining cylinder 100 includes a cylindrical main body 102 and a skin material 103, and is cut in the axial direction so as to be easily spread when wrapping the outer periphery of the tube 104. The skin material 103 is adhered to the outer peripheral surface of the cylindrical main body 102 by an adhesive 105, the outer peripheral dimension is formed to be larger than the outer peripheral dimension of the cylindrical main body 102, a part is formed as a surplus piece 103a, and The dimension is also formed larger than the axial dimension of the cylindrical main body 102, and one end is formed as a protruding piece 103b,
Adhesive tape 1 is attached to the back side of these two pieces 103a, 103b.
06a and 106b are provided.

In order to actually use the heat retaining tube 100 for keeping the temperature of the tube, the outer periphery of the tube 104 is covered with the cylindrical main body 10 of the heat retaining tube 100.
2, the remaining piece 103a is superimposed on the surface of the skin material 103 and adhered with the adhesive tape 106a, and then the tube 104 is wrapped in the tubular main body 102 of another heat insulating tube 100. The overhanging piece 103b is superimposed on the surface of the skin material 103 of the heat retaining tube 100 to which the heat insulating tube 100 has been attached first, and is adhered with the adhesive tape 106b.
Is superimposed on the surface of the skin material 103 and is adhered with an adhesive tape 106a. Then, each end is stuck to the portion of the surplus piece 103a stuck by overlapping with the tape 111 without any gap.

[0004]

In the above-mentioned conventional heat insulating cylinder, after the tube is wrapped in a cylindrical body at the work site, an adhesive is applied to the outer peripheral surface of the cylindrical body to adhere the skin material. Work to adhere to the agent. After that, after wrapping the tube with the cylindrical body of another heat insulation tube, the projecting piece of another heat insulation tube is overlaid on the surface of the skin material of the heat insulation tube attached earlier, and the work of sticking with adhesive tape By performing the process continuously, the entire tube is covered with a heat insulating tube. Further, in order to prevent intrusion of rainwater or the like from the butt ends of the heat retaining cylinders, it is necessary to seal the outer periphery of the butt ends with a tape. The work of attaching the heat retaining cylinder is performed manually, which is troublesome and increases the cost, so that improvement has been desired.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a heat insulation cylinder comprising a glass fiber tubular body enclosing a pipe and a skin material provided on the outer peripheral surface of the tubular body. The tubular body is cut in the axial direction, and the skin material is formed such that the axial dimension is equal to or larger than the axial dimension of the tubular body, and the outer peripheral dimension is larger than the outer peripheral dimension of the tubular main body. A locking piece having an adhesive layer on the back surface is adhered to the outer circumferential end, protrudes from the end of the skin material, and the skin material is bonded to the outer circumferential surface of the tubular main body. In this joined state, one end in the axial direction of the skin material protrudes from the axial end of the tubular main body, and the outer peripheral direction of the skin material in this joined state. One end is the other end of the cylindrical body in the outer circumferential direction. Protruding from parts, with the said one end portion of the outer peripheral direction adhesive tape is provided along the axial direction, it is possible to adhere the skin material to each other by the adhesive tape,
The locking piece was configured to be able to be adhered to a joint at the surface of the skin material formed at the time of adhesion.

[0006] The skin material of the heat insulating cylinder is formed by wrapping the tubular body in a tubular body, and in this state, the skin material is attached to the outer peripheral end thereof with an adhesive tape provided on the surface along the axial direction. Is fixed in a cylindrical shape. Further, the sealing pieces can be further adhered to the joints on the surface of the skin material formed at the end in the outer peripheral direction, so that the sealing property can be improved.

The skin material is formed so that the dimension in the axial direction is equal to the dimension in the axial direction of the cylindrical body, and a part of the cylindrical body protrudes from the skin material from the axial end.

[0008] When the outer peripheral surface of the cylindrical body is wrapped with a skin material, a part of the cylindrical body protrudes from the skin material, and a part of the protruded cylindrical body is attached to an end of another heat insulating cylinder. It can be inserted into the cylinder formed by the extruded skin material, and the skin materials can be overlapped without overlapping, so when a plurality of heat insulation cylinders are stacked and continuous, a flat outer peripheral surface without unevenness Can be formed.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a perspective view showing a first embodiment of the heat retaining cylinder according to the present invention, FIG. 2 is an axial sectional view of the heat retaining tube of the same embodiment enclosing the outer periphery of the pipe, and FIG. FIG. 4 is a cross-sectional view in the outer peripheral direction of the heat retaining cylinder 2 as viewed from the direction A, and shows a state in which the outer periphery of the tube is wrapped by the heat retaining cylinder.

The heat retaining cylinder 1 comprises a cylindrical main body 2, a skin material 3 and a locking piece 4, and the cylindrical main body is formed by molding glass fibers having a resin adhered to the surface thereof. It is cut in the axial direction so that it can be easily spread.

The skin material 3 is adhered to the outer peripheral surface of the tubular main body 2 by an adhesive as shown in FIG. The skin material 3 is formed so that the dimension in the outer peripheral direction is larger than the outer peripheral dimension of the cylindrical main body 2, a part thereof is formed as a surplus piece 3 a, and the axial dimension is formed larger than the axial dimension of the cylindrical main body 2. One end is formed as a protruding piece 3b. An adhesive tape 6b is provided on the inner surface of the protruding piece 3b along the inner circumferential direction. Further, a locking piece 4 having an adhesive layer on the back surface is adhered to a surplus piece 3a at an outer circumferential end of the skin material 3 to a predetermined width along the axial direction, and extends to the outer circumferential end of the skin material 3. Comes with. Release paper is adhered to the surface of the adhesive layer provided on the back surface of the locking piece 4 so that it can be easily peeled off. An adhesive tape 6a is provided on the back surface of the end on the side of the remaining piece 3a along the axial direction.

As the base material of the skin material 3, it is appropriate to use glass cloth, aluminum foil, aluminum foil on which a mesh-like resin sheet is laminated, aluminum kraft paper, aluminum kraft paper lined with polyethylene, or the like. .

In the above, in order to keep the tube 5 warm, the outer periphery of the tube 5 is wrapped in the tubular body 2 of the heat retaining tube 1 and then the skin material 3 protrudes within the outer peripheral dimension of the tubular body 2. The skin material 3 is formed by an adhesive tape 6a provided along the axial direction on the back surface at the outer circumferential end.
The tubular body 2 is fixed in a tubular shape by bonding the opposite ends of the tubular body 2 to each other. In this state, seams formed by bonding the skin materials 3 are formed along the axial direction on the outer peripheral surface of the heat retaining cylinder 1 in the outer peripheral direction. The locking piece 4 is attached to the outer circumferential end of the skin material 3 in a predetermined width along the axial direction and is attached thereto. The stop pieces 4 are overlaid and adhered, and the outer peripheral direction is double-fixed. In this manner, the heat retaining cylinder 1 is firmly fixed in the cylindrical shape, and the sealing property is enhanced.

Next, after the tube 5 is wrapped by the cylindrical main body 2 of another heat retaining cylinder 1, the overhanging piece 3b provided in the axial direction of the other heat retaining cylinder 1 is firstly attached to the skin of the heat retaining cylinder 1. It is superimposed on the surface of the material 3 and attached with an adhesive tape 6b. Similarly, the outer peripheral end is adhered to the back surface of the skin material 3 with an adhesive tape 6a provided along the axial direction, and further extended to the outer peripheral end to attach the attached locking piece 4 to the outer periphery of the skin material 3. Adhere on top of the seam on the surface. By performing such operations continuously, the entire tube 5 is covered with the heat retaining cylinder 1.

In this case, since the heat retaining cylinder 1 is double-fixed in the outer peripheral direction and the cylindrical fixing is firmly performed, the heat retaining cylinder 1 is attached so that the surplus piece 3a and the protruding piece 3b overlap. By wearing it, the pipes inside and outside can be kept warm.

Next, a second embodiment of the present invention will be described with reference to the accompanying drawings. Here, FIG. 4 is a perspective view of a heat retaining tube according to a second embodiment of the present invention, and FIG. 5 is an axial cross-sectional view of the heat retaining tube of the same embodiment enclosing the outer periphery of the tube. As another example, in the heat retaining cylinder 11 shown in FIG. 4, the skin material 13 is formed so that the dimension in the axial direction is equal to the dimension in the axial direction of the cylindrical main body 12, and a part of the cylindrical main body 12 from the axial end. Is skin material 13
The configuration is the same as that of the above-described embodiment except that the axial dimension of the skin material 13 is equal to the axial dimension of the tubular main body 12.

In FIG. 4, the heat retaining cylinder 11 has a cylindrical main body 12.
The tubular body is made of glass fiber with resin adhered to the surface, and is cut in the axial direction so that it can be easily spread when wrapping the outer periphery of the tube 5. are doing.

The skin material 13 is adhered to the outer peripheral surface of the tubular main body 12 with an adhesive in the same manner as in the above-described embodiment. The skin material 13 is formed so that the dimension in the outer peripheral direction is larger than the outer peripheral dimension of the cylindrical main body 12 and a part thereof is a surplus piece 13a, and the axial dimension is formed equal to the axial dimension of the cylindrical main body 2, At one end of the heat retaining cylinder 11, one end of the skin material 13 is formed as a protruding piece 13b, and an adhesive tape 16b is provided on the back side thereof. At the other end of the heat retaining cylinder 11, one end of the cylindrical main body 12 protrudes. A locking piece 14 having an adhesive layer on the back surface is adhered to the surplus piece 13a at the outer circumferential end of the skin material 13 to a predetermined width along the axial direction, and extends to the outer circumferential end of the skin material 13. Comes with. And
An adhesive tape 16a is provided on the back surface of the end on the side of the surplus piece 13a along the axial direction.

In the above, in order to keep the temperature of the tube 5 in the same manner as in the above-described embodiment, the outer periphery of the tube 5 is covered with the cylindrical main body 12 of the heat insulating tube 11.
After wrapping in the outer peripheral dimension of the cylindrical main body 12, the outer peripheral end of the outer skin material 13 is attached to the outer peripheral end of the outer peripheral material 13 with an adhesive tape 16a provided along the axial direction on the end surface of the outer skin material 13. The main body 12 is fixed in a cylindrical shape, the locking piece 14 is superimposed and stuck on the joint of the outer peripheral surface of the skin material 13, and the outer peripheral direction is double-fixed. Is firmly fixed and the sealing property is enhanced.

In this embodiment, when the outer peripheral surface of the cylindrical main body 12 is wrapped with the skin material 13, a part of the cylindrical main body 12 protrudes from the skin material 13, and a part of the cylindrical main body 12 that has protruded. Is inserted into the cylinder formed by the protruding piece 13b of the skin material 13 that has protruded to the end of another heat insulation cylinder 11, and the skin material 13
Since it is possible to overlap each other without overlapping each other, when a plurality of heat insulating cylinders 11 are overlapped and continued, another heat insulating cylinder 1
The overhanging piece 13b provided in the first axial direction is superimposed on the surface of the tubular body 12 of the heat retaining cylinder 11 attached first and is adhered with the adhesive tape 16b, so that it can be formed on a flat outer peripheral surface without unevenness. . Also in this case, since the outer circumferential direction is double-fixed and the cylindrical fixing is firmly performed, the axial attachment is difficult to be peeled off even with a single fixing, such as rainwater from the butt end of the heat retaining cylinders 1. Therefore, a tape for sealing the outer periphery of the butt end is unnecessary.

[0021]

According to the present invention as described above,
The skin material provided on the outer peripheral surface of the cylindrical body made of glass fiber surrounding the pipe is fixed in the outer peripheral direction doubly, and the cylindrical fixing is firmly performed, so that the abutting end portion in the axial direction is bonded. The dressing is difficult to peel off even with a single fixation.At the work site, it is only necessary to wrap the pipe with the tubular body and then stick the skin material, and the work of covering the pipe with the heat insulation tube is greatly simplified. You.

[Brief description of the drawings]

FIG. 1 is a perspective view of a heat retaining cylinder according to a first embodiment of the present invention.

FIG. 2 is an axial cross-sectional view showing a state where the outer circumference of the pipe is wrapped by a heat retaining tube according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view of the heat retaining cylinder in FIG.

FIG. 4 is a perspective view of a heat retaining cylinder according to a second embodiment of the present invention.

FIG. 5 is an axial cross-sectional view showing a state where the outer circumference of a pipe is wrapped by a heat retaining tube according to a second embodiment of the present invention.

FIG. 6 is a perspective view of a conventional heat retaining cylinder.

FIG. 7 is a sectional view in the outer peripheral direction of a state in which the outer periphery of a tube is wrapped in a conventional heat retaining tube

[Explanation of symbols]

1, 11, 100: Heat insulation cylinder, 2, 12, 102: Cylindrical main body, 3, 13, 103: Skin material, 3a, 13a, 103
a: surplus pieces, 3b, 13b, 103b: protruding pieces,
4, 14: locking piece, 5,104: tube, 6a, 6b, 16
a, 16b, 106a, 106b ... adhesive tape, 105
... adhesive, 111 ... tape.

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Tetsuo Ito 4-8-14 Nihonbashi Honcho, Chuo-ku, Tokyo Inside the Mug Co., Ltd. (72) Inventor Shinya Mori 4-8-14 Nihonbashi Honcho, Chuo-ku, Tokyo Mug Co., Ltd. (72) Inventor Soji Iwata 2-11-4, Miihoncho, Nishi-ku, Hiroshima-shi, Hiroshima Iwata Sangyo Co., Ltd. F-term (reference) 3H036 AA01 AB13 AB24 AC24 AD01 AE13

Claims (2)

[Claims] 1. A thermal insulation cylinder comprising a glass fiber tubular body enclosing a pipe and a skin material provided on an outer peripheral surface of the tubular body, wherein the tubular body is cut in an axial direction, and the skin material is cut off. The axial dimension is formed to be equal to or larger than the axial dimension of the tubular main body, and the outer peripheral dimension is formed larger than the outer peripheral dimension of the tubular main body,
A locking piece having an adhesive layer on the back surface is adhered to the outer circumferential end and protrudes from the end of the skin material, and the skin material is bonded to the outer circumferential surface of the tubular main body to open and close in the axial direction. In this joined state, one end in the axial direction of the skin material protrudes from the axial end of the cylindrical body, and one end in the outer circumferential direction of the skin material. Protrudes from the outer circumferential end of the cylindrical body, an adhesive tape is provided along the axial direction at the other end in the outer circumferential direction, and the skin material can be adhered to each other with this adhesive tape,
The heat retaining cylinder is characterized in that the locking piece can be adhered to a joint at the surface of the skin material formed at the time of adhesion. 2. The skin material has an axial dimension equal to the axial dimension of the tubular body, and a portion of the tubular body protrudes from the skin material from an axial end. The heat retaining cylinder according to claim 1, wherein