JP2003329903A - Method and tool for fiber information display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make evadable mutual overlapping of adhesive tapes 4 between adjacent optical fibers 2 and to easily read fiber information FI printed on the adhesive tape 4. <P>SOLUTION: While a slit 6 of an elastic tube 3 is expanded, the outer circumference of an optical fiber 2 is sheathed directly with the elastic tube 3 from the side of the slit 6 and the outer circumference part of the elastic tube 3 is wound with the adhesive tape 4 on which the fiber information FI is printed. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber information display method for displaying fiber information on an optical fiber, and a fiber information display tool used for displaying fiber information on the optical fiber.

[0002]

2. Description of the Related Art Usually, for reasons such as management of the connection state of optical fibers, it is often the case that an adhesive tape with fiber information is directly attached to the outer periphery of the optical fiber so that the adhesive tape is wrapped around the optical fiber. Here, since the adhesive tape is directly adhered to the outer peripheral portion of the optical fiber, the adhesive tape cannot be moved along the optical fiber.

[0003]

By the way, for example, in the optical wiring board or the optical wiring rack, a large number of the optical fibers are densely connected and arranged through the optical connector, and the plurality of the optical fibers are densely arranged. In the case where they are arranged, the adhesive tapes often overlap each other between the adjacent optical fibers. Therefore, it may be difficult to move the adhesive tape along the optical fiber, and it becomes difficult to read the fiber information marked on the adhesive tape, and the fiber information of the optical fiber may be read. It cannot be displayed properly.

[0004]

According to a first aspect of the invention, in a fiber information display method for displaying fiber information on an optical fiber, an elastically deformable elastic tube is covered on the outer peripheral portion of the optical fiber. The adhesive tape having the fiber information is attached to the outer peripheral portion of the elastic tube.

Here, "covering the outer circumference of the optical fiber with the elastic tube" means that the elastic tube is fitted over the end of the optical fiber and then covered with the outer circumference of the optical fiber. Besides, it also includes directly covering the outer peripheral portion of the optical fiber with the elastic tube without performing the fitting.

According to the invention specifying matter of claim 1,
Since the adhesive tape is attached not to the outer peripheral portion of the optical fiber but to the elastic tube covering the outer peripheral portion of the optical fiber, the adhesive tape is moved along with the elastic tube along the optical fiber. be able to.

In the invention according to claim 2, in addition to the matters specifying the invention according to claim 1, the elastic tube is formed by expanding a slit formed from one end to the other end of the elastic tube. Is covered on the outer peripheral portion of the optical fiber from the slit side.

According to the invention specifying matter of claim 2,
In addition to the matters specifying the invention according to claim 1, by covering the outer peripheral portion of the optical fiber directly from the slit side by expanding the slit,
When covering the outer peripheral portion of the optical fiber with the elastic tube, it is not necessary to fit the elastic tube into the end portion of the optical fiber.

According to a third aspect of the invention, in a fiber information display tool used for displaying fiber information on an optical fiber, an elastic tube which is elastically deformable and which is put on the outer peripheral portion of the optical fiber. An adhesive tape, which is marked with the fiber information and is adhered to the outer peripheral portion of the elastic tube covering the outer peripheral portion of the optical fiber.

According to the invention specifying matter of claim 3,
The slit in the elastic tube is expanded to cover the outer peripheral portion of the optical fiber with the elastic tube. Then, the adhesive tape marked with the fiber information is attached so as to be wound around the outer peripheral portion of the elastic tube or so as to sandwich the elastic tube. by this,
The fiber information can be displayed on the optical fiber via the adhesive tape.

Since the adhesive tape is attached to the elastic tube covering the outer peripheral portion of the optical fiber, not the outer peripheral portion of the optical fiber, the adhesive tape is attached to the elastic tube together with the optical fiber. Can be moved along.

[0012] In the invention described in claim 4, in addition to the matters specifying the invention described in claim 3, the elastic tube is
It has a slit formed from one end to the other end.

According to the invention specifying matter of claim 4,
In addition to the effect of the invention specifying matter according to the third aspect, the elastic tube can be covered from the slit side to the outer peripheral portion of the optical fiber by expanding the slit.

Here, by covering the outer circumference of the optical fiber with the elastic tube directly from the slit side so as to expand the slit, when covering the outer circumference of the optical fiber with the elastic tube, There is no need to fit an elastic tube over the end of the optical fiber.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram for explaining a fiber information display method and a fiber display tool according to an embodiment of the present invention, and FIG. 2 is a diagram for explaining a fiber information display method according to an embodiment of the present invention. It is a figure.

As shown in FIGS. 1 and 2, the fiber display 1 according to the embodiment of the present invention is used for displaying the fiber information FI on the optical fiber 2, and is made of plastic and is elastic. The tube 3 and the adhesive tape 4 are provided. An optical connector 5 is attached to the end of the optical fiber 2.

Details of the elastic tube 3 and the adhesive tape 4 are as follows.

That is, the elastic tube 3 covers the outer peripheral portion of the optical fiber 2 and is elastically deformable. Further, the elastic tube 3 has a slit 6 formed from one end to the other end.

Here, when the elastic tube 3 is in a single state, the inner diameter of the elastic tube 3 is substantially the same as the outer diameter of the optical fiber 2, and the gap width of the slit 6 is the optical fiber 2.
It is a little smaller than the outer diameter of. The slit 6
The gap width may be approximately the same as the outer diameter of the optical fiber 2, or may be larger than the outer diameter of the optical fiber 2, or the like.

The adhesive tape 4 is attached so as to be wound around the outer peripheral portion of the elastic tube 3 which covers the outer peripheral portion of the optical fiber 2, and the fiber information F is provided at both ends.
I is marked.

Here, the fiber information FI is information indicated by a bar code and includes the fiber number of the optical fiber 2 and the connector number of the optical connector 5. The fiber information FI may include an appropriate identification number.

Next, the fiber information display method according to the embodiment of the present invention will be described including its operation.

The elastic tube 3 is directly covered on the outer peripheral portion of the optical fiber 2 so that the slit 6 in the elastic tube 3 is expanded. Here, by covering the elastic tube 3 on the outer peripheral portion of the optical fiber 2 directly from the slit 6 side so as to expand the slit 6, the elastic tube 3 is covered when the elastic tube 3 is covered on the outer peripheral portion of the optical fiber 2. It is not necessary to fit the end of the optical fiber 2. Then, the adhesive tape 4 marked with the fiber information FI is attached so as to be wound around the outer peripheral portion of the elastic tube 3 or so as to sandwich the elastic tube 3. Thereby, the fiber information FI can be displayed on the optical fiber 2 via the adhesive tape 4.

Here, the length of the adhesive tape 4 is long enough so that the portion of the fiber information FI hangs down even after being attached to the elastic tube 3. Therefore, the fiber information FI can be displayed large on the adhesive tape 4 attached to the elastic tube 3.

Further, since the adhesive tape 4 is attached to the elastic tube 3 covering the outer peripheral portion of the optical fiber 2 instead of the outer peripheral portion of the optical fiber 2, the adhesive tape 4 together with the elastic tube 3 are attached to the optical fiber 2. Can be moved along.

That is, according to the embodiment of the present invention as described above, since the adhesive tape 4 can be moved along the optical fiber 2 together with the elastic tube 3, a large number of optical fibers 2 can be densely formed. Even when the adhesive tapes 4 are arranged, it is possible to avoid overlapping of the adhesive tapes 4 between the adjacent optical fibers 2 by appropriately adjusting the position of the adhesive tapes 4 along the optical fibers 2. Therefore, the fiber information FI marked on the adhesive tape 4 can be easily read, and the fiber information FI of the optical fiber 2 can be appropriately displayed.

Further, the sticking tape 4 can be freely moved together with the elastic tube 3 between the sticking work position of the sticking tape 4 and the information confirmation position of the fiber information FI, and the workability is improved.

Further, when the elastic tube 3 is put on the outer peripheral portion of the optical fiber 2, it is not necessary to fit the elastic tube 3 into the end portion of the optical fiber 2, so that, for example, the optical connector is attached to the end portion of the optical fiber 2. Irrespective of the situation at the end of the optical fiber 2 such as 5 already attached,
The fiber information FI can be displayed via the adhesive tape 4.

The present invention is not limited to the above description of the embodiment of the invention, and the following modifications are possible.

That is, the elastic tube 3 having the slit 6
Use an elastic tube without slit 6 instead of
Before attaching the adhesive tape 4 marked with the fiber information FI to the outer peripheral portion of the elastic tube, the elastic tube is fitted into the end portion of the optical fiber 2 and then the optical fiber 2 You may make it cover an outer peripheral part. Further, even when the adhesive tape 4 does not drip and is long enough to be wound around the elastic tube 3, if the display mode of the fiber information FI on the adhesive tape 4 is changed, the fiber information F
It is possible to display I.

[0032]

According to the invention of any one of claims 1 to 4, since the adhesive tape can be moved along the optical fiber together with the elastic tube, Even when a large number of the optical fibers are arranged at a high density, by appropriately adjusting the position of the adhesive tape along the optical fibers, the adhesive tapes are adjacent to each other between the adjacent optical fibers. It is possible to avoid the overlapping of the two, and it is possible to easily read the fiber information marked on the adhesive tape.

According to the invention of claim 2 or 4, when the elastic tube is covered on the outer peripheral portion of the optical fiber, the elastic tube needs to be fitted into the end portion of the optical fiber. Therefore, regardless of the situation of the end portion of the optical fiber, for example, the optical connector is already attached to the end portion of the optical fiber, the fiber information is displayed on the optical fiber via the adhesive tape. be able to.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a fiber information display method and a fiber display tool according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating a fiber information display method according to an embodiment of the present invention.

[Explanation of symbols]

1 Fiber table jig 2 optical fiber 3 Elastic tube 4 Adhesive tape 5 Optical connector 6 slits

Continued front page    (72) Inventor Kenji Yasuhara             1440 Rokuzaki, Sakura City, Chiba Prefecture Fujikura Ltd.             Sakura office F-term (reference) 2H038 CA39                 2H050 BD02

Claims (4)

[Claims] 1. A fiber information display method for displaying fiber information on an optical fiber, wherein an elastically deformable elastic tube is covered on an outer peripheral portion of the optical fiber, and an adhesive tape having the fiber information is attached to the outer peripheral surface of the elastic tube. A method for displaying fiber information, which is characterized in that the fiber information is pasted on the section. 2. A slit formed from one end to the other end of the elastic tube is expanded so that the elastic tube is directly covered on the outer peripheral portion of the optical fiber from the slit side. Item 1. The method for displaying fiber information according to item 1. 3. A fiber information display tool used for displaying fiber information on an optical fiber, which is elastically deformable and has an elastic tube covering the outer periphery of the optical fiber, and the fiber information is marked. And an adhesive tape that is attached to the outer peripheral portion of the elastic tube, which covers the outer peripheral portion of the optical fiber. 4. The fiber information display tool according to claim 3, wherein the elastic tube has a slit formed from one end to the other end.