Patent ID: 7726886

Claim:
A ferrule holder for transferring a ferrule to a fusion-spliced portion reinforcing service, the ferrule including a splicing end surface in which one end of a built-in optical fiber matches, and an end portion from which the other end of the built-in optical fiber is protruded in a direction opposite to the splicing end surface, and the other end of the built-in optical fiber being spliced to one end of the splicing optical fiber to be spliced to the built-in optical fiber at a fusion-splicing operation unit of a fusion-splicing device, said ferrule holder comprising: a holding portion into which a cylindrical portion of the ferrule is inserted from the splicing end surface of the ferrule and by which the ferrule is held; and a stem that is extended from an opposite side of the holding portion to a side of the holding portion into which the ferrule is inserted so as to form an integrated ferrule holder that permits transferring the ferrule while the cylindrical portion is held by the holding portion.