Fiber optic packaging

JP2026103289APending Publication Date: 2026-06-24SEKISUI CHEMICAL CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
SEKISUI CHEMICAL CO LTD
Filing Date
2024-12-12
Publication Date
2026-06-24

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  • Figure 2026103289000001_ABST
    Figure 2026103289000001_ABST
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Abstract

The present invention provides a packaging body for a long object containing an optical fiber, which can determine whether or not it has come into contact with water. [Solution] An optical fiber packaging comprising a winding body in which a long object having an optical fiber is wound around a bobbin, and a box body for housing the winding body, wherein the box body has a water-sensing member that produces a visual change when it comes into contact with water.
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Claims

1. An optical fiber packaging body comprising a winding body in which a long material having an optical fiber is wound around a bobbin, and a box body for housing the winding body, An optical fiber packaging body having a water-sensing member inside the box that produces a visual change when it comes into contact with water.

2. The optical fiber packaging according to claim 1, wherein the water detection member is located on the outer surface of the elongated object.

3. The optical fiber packaging body according to claim 1, wherein the water detection member is located on the inner surface of the box body.

4. The optical fiber packaging according to claim 1, wherein the water detection member is located on the outer surface of the bobbin.

5. The box comprises a lower box with an open top and an upper box that detachably closes the opening of the lower box, and when the upper box is placed over the lower box, there is an overlapping portion where the upper part of the lower box and the lower part of the upper box overlap. The optical fiber packaging according to claim 1, wherein the water sensing member is located between the inner surface of the upper box and the outer surface of the lower box in the overlapping portion.

6. Furthermore, the optical fiber packaging body according to claim 1, wherein the water detection member is provided on the outer surface of the box body.

7. The optical fiber packaging according to claim 1, wherein the water detection member has a first detection unit that dissolves and irreversibly changes color when it comes into contact with water.

8. The optical fiber packaging according to claim 7, wherein the first detection unit contains starch and food coloring.

9. The optical fiber packaging according to claim 1, wherein the water detection member has a second detection unit containing a color-changing substance that reacts with water to change color.

10. The optical fiber packaging according to claim 9, wherein the coloring substance contains one or more selected from the group consisting of cobalt-impregnated silica gel, cobalt-free silica gel, copper sulfate, cobalt chloride, and cobalt bromide.

11. The first water detection member is located inside the aforementioned box. The second water detection member is located on the outer surface of the aforementioned box, The first water detection member has a first detection unit that dissolves and irreversibly changes color when it comes into contact with water. The optical fiber packaging according to claim 6, wherein the second water detection member has a second detection unit containing a color-changing substance that reacts with water to change color.