Improvements in spectacle frames

  • Inventors:
  • Assignees: Hallan Colston
  • Publication Date: February 01, 1949
  • Publication Number: GB-617084-A


617,084. Spectacle frames. COLSTON, H. Feb. 21, 1946, No. 5498. [Class 97 (i)] A spectacle frame comprises an upper single-bar 2 comprised of two permanently united layers of plastic material, and a pair of grooved ribbon-like lens-embracing bows 1 formed in one with, and produced from the same piece of material as, one of the said layers depending from the bar 2 so that each ribbonlike bow and its associated brow part is a onepiece jointless lens frame. The two plastic layers are cemented together and the frame cut therefrom. Specification 533,161 is referred to.




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Cited By (5)

    Publication numberPublication dateAssigneeTitle
    DE-4115829-A1November 19, 1992Optik Partner Ag & CoBrillenfassung aus kunststoff, durchspanabhebende formgebung erstellt
    US-2677634-AMay 04, 1954Titmus Optical Company IncMethod of making spectacle frames
    US-2715258-AAugust 16, 1955Bausch & LombMethod of manufacturing two-tone spectacle fronts
    US-5331355-AJuly 19, 1994Optik Partner Ag & Co.Plastic frame for eyeglasses
    WO-2012168313-A1December 13, 2012Christoph EggerProcédé de fabrication de parties courbes de monture de lunettes