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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.:

US 9140123 B1

PDFFull Text
Expired
Date of Patent:
Sep. 22, 2015

Filed:

Mar. 25, 2013

Cutting head tool for tunnel boring machine

Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Robert Meyer, Metamora, IL (US);

Gregory Tomlins, Peoria, IL (US);

Glenn Mongillo, Markham, CA;

Baldev Patel, Toronto, CA;

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:

Leydig, Voit & Mayer, Ltd.

Primary Examiner:

David Bagnell

Assistant Examiner:

Michael Goodwin

Int. Cl.
CPC ...
E21C 35/183 (2006.01); E21D 9/11 (2006.01); E02F 9/28 (2006.01); E21D 9/08 (2006.01); E21B 10/43 (2006.01); E21B 10/55 (2006.01); E21B 10/567 (2006.01); E21C 35/193 (2006.01); E21C 35/18 (2006.01);
U.S. Cl.
CPC ...
E21D 9/112 (2013.01); E02F 9/2875 (2013.01); E21B 10/43 (2013.01); E21B 10/55 (2013.01); E21B 10/567 (2013.01); E21C 35/183 (2013.01); E21D 9/081 (2013.01); E21C 35/1936 (2013.01); E21C 2035/1806 (2013.01); E21C 2035/1809 (2013.01); Y10T 29/49945 (2015.01);
Abstract

A ripper tool for a tunnel boring machine includes a tool body and a plurality of cutting element inserts. The tool body has a plurality of socket cavities. A tool body blank can be heat treated to increase the hardness of the tool body blank. The socket cavities can be machined in the tool body blank after the tool body blank is heat treated. The cutting element inserts are mounted to the tool body. The cutting element inserts are respectively press fit in the socket cavities. The ripper tool can be pivotably mounted to a cutter head of the TBM.

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Meyer, Robert. (2015). Cutting head tool for tunnel boring machine (U.S. Patent No. 9140123). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9140123

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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