Pipe joints or couplings – With assembly means or feature – Guide and support
Patent
1994-10-24
1995-11-28
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide and support
285177, 285331, 285398, 285424, F16L 3500
Patent
active
054701120
ABSTRACT:
A coupling ring for joining circular sheet metal ducts has oppositely opening grooves for receiving meeting ends of the ducts, and is diametrically adjustable to accommodate variations in the duct diameters.
REFERENCES:
patent: 180416 (1876-08-01), Clow
patent: 394479 (1888-12-01), Evans et al.
patent: 1762766 (1928-03-01), De Garay
patent: 1811277 (1929-06-01), Mosley
patent: 1921642 (1931-07-01), Stephenson
patent: 2275572 (1939-05-01), Somers
patent: 2535186 (1946-12-01), Anderson
patent: 3246918 (1963-09-01), Burghart
patent: 3415543 (1968-12-01), Keating
patent: 3689114 (1972-09-01), Meserole
patent: 3905621 (1974-07-01), DeMarco
patent: 4249758 (1981-02-01), Harris
patent: 4447078 (1984-05-01), Jenkins
patent: 4558892 (1985-12-01), Daw et al.
patent: 4566724 (1986-01-01), Arnoldt et al.
patent: 4669762 (1987-06-01), Jenkins
patent: 4941693 (1990-07-01), Spaude et al.
patent: 5054823 (1991-10-01), Arnoldt
patent: 5129690 (1992-07-01), Melnig
patent: 5133580 (1992-07-01), Melnig
patent: 5213374 (1993-05-01), Keating
patent: 5378028 (1995-01-01), Havai et al.
Arola Dave W.
Keating Koupling, Inc.
LandOfFree
Adjustable coupling ring does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Adjustable coupling ring, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjustable coupling ring will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2008401