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Priority to ES1970195032UpriorityCriticalpatent/ES195032Y/en
Publication of ES195032UpublicationCriticalpatent/ES195032U/en
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Publication of ES195032YpublicationCriticalpatent/ES195032Y/en
Spectacle frame, characterized in that in the molds in which the fronts or rods of the frames are obtained, the respective parts of the articulation hinges to be coupled in those pieces are arranged, which hinges are previously constructed in a only part, by injection of molten metal in a mold to the effect, being provided with anchoring means for efforts in the axial direction, anchoring means for efforts in transverse direction, and means for simulating the anchoring elements commonly used in the spectacles, in addition to the conventional means for articulating the frame, so that the hinges in question are incorporated integrally in the corresponding front or rod body by means of a molding operation with injection of synthetic resins. (Machine-translation by Google Translate, not legally binding)
Improvements in machines for the manufacture of concrete parts susceptible to be vibrated. (Machine-translation by Google Translate, not legally binding)