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A two-color optical fiber coloring mold

A two-color optical fiber and mold technology, applied in the direction of bundled optical fibers, marked conductors/cables, coatings, etc., can solve the problems of slow production speed and reduced production efficiency, and achieve the goal of improving production efficiency, increasing production speed, and reducing production processes. Effect

Active Publication Date: 2016-08-17
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the production speed of this ring spraying process is slow, and it is necessary to add a ring spraying process after the optical fiber is colored, which reduces the production efficiency

Method used

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  • A two-color optical fiber coloring mold
  • A two-color optical fiber coloring mold
  • A two-color optical fiber coloring mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0030] The two inks are injected into the two injection ports 11 of the ink cup 1 through the same pressure system. The ink is isolated through the first tapered mating surface and the second tapered mating surface between the inlet die 3 and the outlet die 2, and the two separated inks pass through the feed channel 31 in the ink chamber 4 under the same pressure. Start mixing, because the optical fiber 9 travels faster at this time, the ink flowing here is quickly taken out of the outlet die 2 by the optical fiber 9 before it can be mixed, and after passing through the UV curing furnace, the inks of the two colors are cured on the optical fiber. On, a two-color fiber is formed.

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Abstract

A two-color optical fiber coloring mold relates to the technical field of optical fiber surface coloring treatment, which includes a cylindrical ink cup and a mold inserted in the ink cup along the axial direction, the mold includes an inlet mold and an outlet mold, and one end of the inlet mold is inserted An insertion end is formed in the outlet mold, the insertion end has a first tapered fitting surface, and the inner wall corresponding to the insertion end in the outlet mold has a second tapered fitting surface matched with the first tapered fitting surface; the inlet mold and The outlet mold is respectively provided with the center hole of the inlet mold and the center hole of the outlet mold which coincide with the center line in the axial direction, and an ink chamber is arranged between the center hole of the inlet mold and the center hole of the outlet mold; there are two holes on the side wall of the outlet mold. There is a feeding port between each feeding port and the ink cavity; two feeding ports are arranged on the side wall of the ink cup, and each feeding port corresponds to a feeding port. The invention improves the production speed, reduces one production process, and greatly improves the production efficiency.

Description

technical field [0001] The invention relates to the technical field of optical fiber surface coloring treatment, in particular to a two-color optical fiber coloring mold. Background technique [0002] The core of the outdoor layer-stranded communication optical cable is generally composed of several loose tubes of different colors, and the optical fibers for communication are placed in the loose tubes. Generally, there are 1 to 12 optical fibers in each tube. To achieve fiber distinguishability within the ferrule, each fiber within a single loose tube is colored differently. Since there are only 12 colors of optical fiber coloring inks commonly used in the world, traditional loose tubes generally can only accommodate 12 optical fibers at most, so that the number of optical fibers in the loose tube is limited by the color of the coloring ink. It is realized by increasing the number of loose tubes in the cable core, which leads to the increasing diameter and unit weight of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C47/12B29C47/04B29C48/30
CPCB29C48/154B29C48/30B29C48/175C03C25/16G02B6/04H01B13/34
Inventor 吴忠明王珑阮华贺言张刚
Owner FENGHUO COMM SCI & TECH CO LTD
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