Optical fiber coating removal device, method for removing optical fiber coating, and optical fiber core

The optical fiber coating remover with a thinner-tipped blade configuration and heating element enhances coating removal efficiency by minimizing glass fiber contact, ensuring effective and residue-free coating removal.

WO2026127072A1 Publication Date: 2026-06-18SUMITOMO ELECTRIC INDUSTRIES LTD +1
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
SUMITOMO ELECTRIC INDUSTRIES LTD
Filing Date
2025-12-10
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing optical fiber coating removal technologies are inefficient and prone to damage the glass fiber during the coating removal process.

⚗Method used

An optical fiber coating remover with a pair of removal blades, where one blade has a thinner tip than the other, allowing for easier penetration of the coating while minimizing contact with the glass fiber, combined with a heating element to soften the coating for efficient removal.

🎯Benefits of technology

Improves coating removal performance by ensuring the coating is effectively removed without damaging the glass fiber, achieving high success rates and preventing residue formation.

✦ Generated by Eureka AI based on patent content.

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Abstract

An optical fiber coating removal device (1) comprises: an optical fiber fixing part (50) that holds an optical fiber core (10) in which the periphery of a glass fiber is covered with a coating; and a coating removal part (30) that is provided so as to be able to contact and be separated from the optical fiber fixing part, and removes the coating of the optical fiber core held by the optical fiber fixing part. The coating removal part (30) has a pair of removal blades (34) that sandwich the coating of the optical fiber core. The thickness (D2) of the tip of a removal blade (34B) of the pair of removal blades is 75% or less the thickness (D1) of the tip of the other removal blade (34A) of the pair of removal blades.
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