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. 22, 2011
Filed:
Jan. 25, 2007
Applicants:
Janos Kertesz, Hofheim, DE;
Gerhard Wachter, Büdingen, DE;
Inventors:
Janos Kertesz, Hofheim, DE;
Gerhard Wachter, Büdingen, DE;
Assignee:
Norma Germany GmbH, Maintal, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coupling for joining two pipes having end sections, each of which is provided with a circumferential locking rib and can be inserted into the coupling, wherein the coupling has at least one elastic ring that joins at least two elongated webs, and wherein the coupling has stop projections, which lock in place behind the locking ribs when the end sections are inserted in the coupling and can be unlocked to release the connection of the pipes by expanding the at least one ring. Each ring is a separate element from the webs.