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Cutting method of optical fiber, cutting device of optical fiber, and assembly method of connector

A cutting method and connector technology, which are applied in the coupling of optical waveguides, light guides, optics, etc., can solve the problems of time-consuming technology, difficult to achieve, and inclined optical fiber connection surfaces, and achieve the effect of reducing the amount of man-hours.

Inactive Publication Date: 2008-12-24
SUMITOMO ELECTRIC IND LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] However, until now, the optical fiber connection surface has been inclined by performing processing such as polishing
Therefore, when the optical fiber is transported to each household, it is not only awkward, time-consuming and technically difficult to cut the fiber on site and process its end face to be inclined with respect to the optical axis, and then connect the fiber

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  • Cutting method of optical fiber, cutting device of optical fiber, and assembly method of connector
  • Cutting method of optical fiber, cutting device of optical fiber, and assembly method of connector
  • Cutting method of optical fiber, cutting device of optical fiber, and assembly method of connector

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Embodiment Construction

[0035] Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are for the purpose of illustration and not to limit the scope of the invention. In the drawings, in order to avoid repeated descriptions, the same components are given the same reference numerals. The dimensional ratios in the drawings are not necessarily accurate.

[0036] First, an embodiment of an optical fiber cutting method according to the present invention will be described. exist figure 1 In , a region (A) to a region (C) are schematic diagrams showing steps of an embodiment of a cutting method. First, a relative twist is applied to the optical fiber 11 on both sides of the cutting position 12 (area (A)). Next, cuts 12a are formed in the coating layer 11b and the glass fiber 11a in this twisted state (area (B)). Then, an external force F is applied to the optical fiber 11 at the cutting position 12 to cut the optical fiber 11 (area (C)). ...

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Abstract

Provided are a method for easily cutting an optical fiber on site to have the cut end surface inclined from the optical axis, a cutting apparatus used in such method and a connector assembly method including such cutting method. In the cutting method, a portion including a cutting position of the optical fiber composed of a glass fiber and a coat is twisted, and the coat and the glass fiber is cut at the cutting position. Then, an external force is applied to the optical fiber at the cutting position and the optical fiber is cut. The optical fiber cutting apparatus is provided with an optical fiber fixing means for fixing the optical fiber on one side of the optical fiber by sandwiching the cutting position, an optical fiber rotating means for fixing the optical fiber on the other side to be freely rotated, and a blade for cutting the coat and the glass fiber.

Description

technical field [0001] The present invention relates to a method of cleaving an optical fiber and its coating, a device for the method and a connector assembly method comprising the cleaving method. Background technique [0002] A method of cleaving an optical fiber and its coating is disclosed in Japanese Patent Application Laid-Open No. 2005-345530. In this method, the front clamper and the rear clamper of the fiber support device respectively support the front end and the rear end of the optical fiber cutting position, and the tension applying device drives the front and rear clampers to separate from each other, so as to exert force on the clamped optical fiber. tension. Then, the rotating blade cuts the coating and the optical fiber in such a state. By cutting the optical fiber under tension, the glass fiber can be cut such that the end face of the glass fiber is perpendicular to the optical axis and flat. In addition, the amount of man-hours is reduced since coating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/00G02B6/38
CPCG02B6/25Y10T225/12Y10T225/325Y10T225/364
Inventor 大塚健一郎滨田真弘
Owner SUMITOMO ELECTRIC IND LTD