Fiber optic packaging
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
Smart Images

Figure 2026103289000001_ABST
Abstract
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.