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:
Jul. 23, 1985
Filed:
Jul. 03, 1980
Applicant:
Inventor:
Perry A Main, Erie, MI (US);
Assignee:
APX Group Inc., Toledo, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72393 ; 72 36 ;
Abstract
The disclosure embraces a method of and apparatus for expanding circular cylindrical metal tubing, pipe or tubular members wherein an expanding construction embodies expandable fingers or members and cone-shaped means cooperating with the fingers or members for expanding tubing, pipe or tubular members. The method and apparatus involves the use of power means for expanding the fingers by relative movement of cones engaging the fingers, the method and apparatus including selectable indexing means for determining the amount of expansion of tubing, pipe or tubular members.