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US 12,111,509 B2Granted
Bobbin for winding optical fiber
AssigneeFujikura Ltd.
InventorTsuyoshi Akamatsu
Life of this patent
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Abstract
A bobbin for winding optical fiber includes: a body around which an optical fiber is wound; a flange that extends in a radial direction from the body; and a seal that is bonded to an axially outer side surface of the flange. The flange has a void penetrating the flange. A part of the seal covers at least a part of the void. At least a part of a portion of the seal is non-adhesive. The portion covers the void.
Claims17
A bobbin for winding optical fiber comprising:
- a body around which an optical fiber is wound;
- a flange that extends in a radial direction from the body;
- and
- a seal that is bonded to a side surface of the flange facing an axial direction of the bobbin, wherein
- the flange has a void that extends through an entire thickness of the flange,
- a part of the seal extends across and covers at least a part of the void, and
- at least a part of a portion of the seal is non-adhesive, wherein the portion covers the void.
4 more elements
Dependencies are inferred from the claim text.