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:
Jul. 06, 2004
Filed:
Jan. 17, 2001
Applicant:
Inventors:
Lars-Åke Mattsson, Båstad, SE;
Kenneth Lennartsson, Torekov, SE;
Sten Högman, Grevie, SE;
Carl-Gustaf Sondén, Ängelholm, SE;
Assignee:
Lindab AB, Bastad, SE;
Primary Examiner:
Int. Cl.
CPC ...
F16L 2/500 ; F16L 2/300 ;
U.S. Cl.
CPC ...
F16L 2/500 ; F16L 2/300 ;
Abstract
A flanged coupling ring for a duct element has a mounting section configured to be mounted or a connection portion of the duct element, and flange means extending outwards from the mounting section. The flange means has, along its periphery, flanged coupling portions for connecting two duct elements, each of which is provided with a coupling ring, by means of external coupling means configured to engage with the flanged coupling portions.