Framatome Connectors International

Manuel Penha

Said Lalaouna

Jean-Francois Ollivier

Jean-Francais Ollivier

A device for molding plastics material ferrules for optical fiber connectors comprises a molding cavity defined by an accurately sized cylindrical bush defining the outside diameter of the ferrule. A cover closes the molding cavity. A peg joined to the cover extends axially into the molding cavity and is extended at its free end by an accurately sized needle defining the inside diameter of the ferrule. A backing member extending axially into the molding cavity from the opposite end as compared with the peg comprises a bore for guiding the needle adapted to receive the end thereof when the backing member moves towards the peg so as to render the needle and the bush concentric. A venting system allows gases to escape from the molding cavity to the exterior when plastics material is injected into the mold. The backing member is a substantially cylindrical body of revolution which fits directly into the bush with no clearance and minimal force.

Device for molding plastic material ferrule for optical fiber connectors

This invention relates to a process for measurement of the relative positions of the center-lines of an aperture and of a cylindrical outline of a sample. The process includes the following steps: introducing a calibrated rod into said aperture; performing measurements to define at least a pair of segments representative of the mid-points of the cylindrical outline and of a calibrated rod respectively. The measurements are performed utilizing a light beam which is scanned parallel to the beam in a direction perpendicular to the center-line of the cylindrical outline. This enables measurement of the coaxiality and/or of the concentricity of the center-line of the outline and of the aperture.

Process for relative measurement of the center-line of an aperture and

A device for measuring the thermal expansion of a sample comprises a measurement radiation generator, a base member incorporating a reference groove and a furnace. The furnace has an external reference contour adapted to cooperate with the reference groove, an internal reference contour adapted to cooperate with a sample and an aperture through which the measurement radiation passes.

Device for measuring thermal expansion

A device for molding plastics material ferrules for optical fibre connectors comprises a molding cavity defined by an accurately sized cylindrical bush defining the outside diameter of the ferrule. A cover closes the molding cavity. A peg joined to the cover extends axially into the molding cavity and is extended at its free end by an accurately sized needle defining the inside diameter of the ferrule. A backing member extending axially into the molding cavity from the opposite end as compared with the peg comprises a bore for guiding the needle adapted to receive the end thereof when the backing member moves towards the peg so as to render the needle and the bush concentric. A venting system allows gases to escape from the molding cavity to the exterior when plastics material is injected into the mold. The backing member is a substantially cylindrical body of revolution which fits directly into the bush with no clearance and minimal force.

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Le Mans, France

Manuel Penha