Patents by Inventor Roland Howard Gapp

Roland Howard Gapp has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of forming a rivet of titanium-columbium alloy
    Patent number: 3975786
    Abstract: A high strength buckable rivet made of an alloy consisting of titanium and columbium, the optimum proportion being about 55% titanium and about 45% columbium. The method of making this rivet includes the steps of cold forming a cylindrical blank so as to form a head and shank of the rivet and cold working the head and a portion of a shank of the rivet so as to leave a ductile tail portion capable to form a buck tail, the optimum length of the ductile portion being about 0.8 times the diameter of the rivet shank.
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: August 24, 1976
    Assignee: Textron, Inc.
    Inventors: Roland Howard Gapp, Rahmatollah Fakhri Toosky, Ira Bill Lee York