Optical ferrule and method of molding the same, and optical...

G - Physics – 02 – B

Patent

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G02B 6/36 (2006.01) G02B 6/38 (2006.01)

Patent

CA 2335839

An optical ferrule is disclosed in which a concave portion having a gate in resin molding disposed therein is formed in a ferrule body. According to this constitution, it is possible to easily cut a flash left after a gate of the concave portion of the ferrule body is cut after molding with a gate cutter, so that, when the ferrule body is fitted in a housing of an MPO connector and the like, the problem that the flash protrudes from the concave portion and the flash hitching to an inner wall of the housing does not occur. Accordingly, the labor required for removing the flash by polishing can be eliminated, and hence productivity of the ferrule body can be improved. Thus, a large number of ferrule bodies can be automatically manufactured without requiring much manpower.

L'invention concerne une ferrule optique présentant un évidement (17c), dans lequel est placée une entrée servant au moulage de résine, formée dans un corps de ferrule (11). Selon cet agencement, une coulure (10), laissée après qu'une partie entrée dans l'évidement (17c) du corps de ferrule (11) moulé ait été coupée à l'aide d'un coupe coulée, peut être aisément coupée en profondeur. Il n'y a donc pas de risque de débordement de la coulure (10) hors de l'évidement (17c) à rattraper sur la paroi frontale intérieure d'un boîtier si le corps de ferrule (11) s'adapte au boîtier tel qu'un connecteur optique MPO. Etant donné qu'il n'est nécessaire d'éliminer la coulure (10) par polissage pour améliorer la productivité du corps de ferrule (11), on peut donc réaliser automatiquement un grand nombre de corps de ferrule (11) sans intervention humaine.

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