Patents Assigned to Alcon Corporation
  • Method of manufacturing fittings for tube or pipe
    Patent number: 4951391
    Abstract: An improved method for making insert sleeves for tube fittings or quick couplings comprising forming V-shaped cut-aways in the gripping edge and inner surface of the insert sleeve then forming slots or kerfs in the sleeve, each slot or kerf being centered on and having a slightly narrower circumferential width than the cut-aways such that a chamfered corner is provided where the gripping edge or inner surface meets the slot.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: August 28, 1990
    Assignee: Alcon Corporation
    Inventor: Helio L. Seabra