Patents by Inventor Elmer E. Smith

Elmer E. Smith 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).

  • Fixed center tooling for an extruder that provides for concentric layers of coating material
    Patent number: 4081232
    Abstract: A fixed center extruder die assembly is disclosed which serves to apply concentric layers of coating materials on an advancing core wire. The assembly which includes three concentrically arranged and interconnected components comprises an outer die block having a centered first passage with a first axis therethrough; a guiding die with a cylindrical tubing top concentrically disposed with the first passage and second passage therethrough with an axis coincident to the first; and an inner guide having a cylindrical tubing tip and thread passage therethrough which has an axis substantially coincident to the first axis. An improved hand tool is envisioned.
    Type: Grant
    Filed: February 8, 1977
    Date of Patent: March 28, 1978
    Assignee: The Anaconda Company
    Inventors: Denver L. Pemberton, Elmer E. Smith