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.

Date of Patent:
Feb. 22, 2000

Filed:

May. 15, 1997
Applicant:
Inventor:

Richard A Sager, Lapeer, MI (US);

Assignee:

Form Rite, Auburn Hills, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
29458 ; 29523 ;
Abstract

In a method for securing an end fitting to a coated tube, a tube having a standard outer diameter is coated with a non-corrosive material. The coated tube is then held in a clamp while an outer end of the tube is inserted into the opening of a reduction punch. The reduction punch is then forced axially towards the tube, reducing the outer diameter of the tube and coating to approximately the original outer diameter of the uncoated tube. As a result, a standard end fitting having an inner diameter generally equal to the uncoated tube outer diameter can be utilized on the reduced end of the coated tube. The end fitting is then secured to the reduced end of the coated tube in a known manner, such as by flaring.


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