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:
May. 25, 2010
Filed:
May. 07, 2009
Applicants:
Clifford B. Anderson, Edmonton, CA;
David Styre, Edmonton, CA;
Brian Thicke, Edmonton, CA;
Inventors:
Assignee:
Proline Pipe Equipment Inc., Edmonton, Alberta, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D 3/10 (2006.01); B21D 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pipe bending shoe including a support frame, a pipe channel defined by a first bending frame connected with the support frame and by a second bending frame connected with the support frame, and a plurality of flexible straps spaced along the pipe channel and spanning the pipe channel transversely between the first bending frame and the second bending frame in order to provide a transversely segmented pipe sling, wherein the pipe sling maintains a constant convex longitudinal sling profile during bending of a pipe using the pipe bending shoe.