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:
Jan. 09, 2024
Filed:
Jun. 25, 2019
Applicant:
Hydac Technology Gmbh, Sulzbach/Saar, DE;
Inventors:
Peter Kloft, Ransbach-Baumbach, DE;
Jörg Meyer, Hohberg, DE;
Assignee:
HYDAC TECHNOLOGY GMBH, Sulzbach/Saar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/25 (2006.01); E21B 10/24 (2006.01); E21B 10/12 (2006.01); E21D 9/10 (2006.01);
U.S. Cl.
CPC ...
E21B 10/25 (2013.01); E21B 10/12 (2013.01); E21B 10/24 (2013.01); E21D 9/104 (2013.01);
Abstract
A cutting roller has an axle (), on which a cutting ring () is rotatably guided by a bearing device (). The bearing device is sealed against the environment by a sealing device (). By a compensating device (), any differential pressure between the bearing device () and the environment is compensable.