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:
Nov. 16, 2021
Filed:
Apr. 04, 2017
Applicant:
Tracto-technik Gmbh & Co. KG, Lennestadt, DE;
Inventor:
Philipp Schumacher, Lennestadt, DE;
Assignee:
TRACTO-TECHNIK GMBH & CO. KG, Lennestadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 21/00 (2006.01); E21B 17/06 (2006.01); E21B 4/06 (2006.01); E21B 7/20 (2006.01); F16L 55/11 (2006.01); E21B 11/02 (2006.01); E21B 7/04 (2006.01);
U.S. Cl.
CPC ...
E21B 17/06 (2013.01); E21B 4/06 (2013.01); E21B 7/20 (2013.01); E21B 11/02 (2013.01); F16L 21/00 (2013.01); F16L 21/002 (2013.01); F16L 55/11 (2013.01); E21B 7/046 (2013.01);
Abstract
A device for clamping an element includes a pressure chamber having a flexible wall section with an elastic jacket and a rigid wall section that acts as a counter-bearing. The jacket is provided with a contact surface to connect with the element.