The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2009
Filed:
Jul. 09, 2007
Applicants:
Peter C. Williams, Cleveland Heights, OH (US);
Howard C. B. Kuhns, Aurora, OH (US);
Inventors:
Peter C. Williams, Cleveland Heights, OH (US);
Howard C. B. Kuhns, Aurora, OH (US);
Assignee:
Swagelok Company, Solon, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ferrule for a metal tube fitting includes a body that is case hardened over substantially its entire surface. The ferrule also has an interior wall comprising first and second cylindrical portions, the first cylindrical portion being axially adjacent a front edge of the ferrule and having the smallest interior wall diameter of the ferrule, the second cylindrical portion having a larger diameter than said first cylindrical portion.