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:
Apr. 21, 2025
Filed:
Jul. 11, 2022
Applicant:
The Charles Machine Works, Inc., Perry, OK (US);
Inventors:
Robert F. Crane, Nekoosa, WI (US);
Mark D. Randa, Oconomowoc, WI (US);
Steven W. Wentworth, Scottsdale, AZ (US);
Assignee:
The Charles Machine Works, Inc., Perry, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 1/028 (2005.12); B66D 3/00 (2005.12); F16L 1/06 (2005.12); F16L 55/18 (2005.12);
U.S. Cl.
CPC ...
F16L 1/028 (2012.12); B66D 3/006 (2012.12); F16L 1/06 (2012.12); F16L 55/18 (2012.12);
Abstract
A machine for extracting a ductile pipe. The machine has a vise which can grip the pipe, and a wire clamp. Each of the wire clamp and vise are supported on a carriage which is movable relative to a frame. This enables the vise to grip and pull the ductile pipe. Additionally, a wire strand may be disposed through the pipe from a far end to the end at which the machine is placed. The wire clamp allows the machine to pre-stress the strand to improve the extraction of the ductile pipe.