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:
Mar. 31, 2020
Filed:
Mar. 27, 2017
Applicant:
Mcelroy Manufacturing, Inc., Tulsa, OK (US);
Inventors:
James R. Perrault, Tulsa, OK (US);
Seth P. Ahrens, Tulsa, OK (US);
Abraham B. Contreras, Jenks, OK (US);
William Barton Draeger, Tulsa, OK (US);
Fabiano Tavares de Souza, Houston, TX (US);
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23C 3/12 (2006.01); B23C 3/00 (2006.01); B29C 65/00 (2006.01); B29C 65/02 (2006.01); B29C 69/00 (2006.01); B29L 23/00 (2006.01);
U.S. Cl.
CPC ...
B23C 3/122 (2013.01); B23C 3/007 (2013.01); B29C 65/02 (2013.01); B29C 66/02241 (2013.01); B29C 66/1142 (2013.01); B29C 66/5221 (2013.01); B29C 66/71 (2013.01); B29C 69/001 (2013.01); B23C 2226/61 (2013.01); B29L 2023/22 (2013.01); Y10T 409/308288 (2015.01);
Abstract
A facer for use in preparing the opposed ends of polyolefin pipes for fusion into a pipeline has a pair of cutting wheels which rotate in unison. A controller causes the cutting wheels to trace and face the pipe end walls in a closed loop path.